Annotation of loncom/lonnet/perl/lonnet.pm, revision 1.1413
1.1 albertel 1: # The LearningOnline Network
2: # TCP networking package
1.12 www 3: #
1.1413 ! raeburn 4: # $Id: lonnet.pm,v 1.1412 2019/07/23 01:30:44 raeburn Exp $
1.178 www 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.169 harris41 28: ###
29:
1.971 jms 30: =pod
31:
1.972 jms 32: =head1 NAME
33:
34: Apache::lonnet.pm
35:
36: =head1 SYNOPSIS
37:
38: This file is an interface to the lonc processes of
39: the LON-CAPA network as well as set of elaborated functions for handling information
40: necessary for navigating through a given cluster of LON-CAPA machines within a
41: domain. There are over 40 specialized functions in this module which handle the
42: reading and transmission of metadata, user information (ids, names, environments, roles,
43: logs), file information (storage, reading, directories, extensions, replication, embedded
44: styles and descriptors), educational resources (course descriptions, section names and
45: numbers), url hashing (to assign roles on a url basis), and translating abbreviated symbols to
46: and from more descriptive phrases or explanations.
47:
48: This is part of the LearningOnline Network with CAPA project
49: described at http://www.lon-capa.org.
50:
1.971 jms 51: =head1 Package Variables
52:
53: These are largely undocumented, so if you decipher one please note it here.
54:
55: =over 4
56:
57: =item $processmarker
58:
59: Contains the time this process was started and this servers host id.
60:
61: =item $dumpcount
62:
63: Counts the number of times a message log flush has been attempted (regardless
64: of success) by this process. Used as part of the filename when messages are
65: delayed.
66:
67: =back
68:
69: =cut
70:
1.1 albertel 71: package Apache::lonnet;
72:
73: use strict;
1.486 www 74: use HTTP::Date;
1.977 amueller 75: use Image::Magick;
1.1389 raeburn 76: use CGI::Cookie;
1.1182 foxr 77:
1.1173 foxr 78: use Encode;
79:
1.1405 raeburn 80: use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir $deftex
1.1138 raeburn 81: $_64bit %env %protocol %loncaparevs %serverhomeIDs %needsrelease
82: %managerstab);
1.871 albertel 83:
84: my (%badServerCache, $memcache, %courselogs, %accesshash, %domainrolehash,
85: %userrolehash, $processmarker, $dumpcount, %coursedombuf,
86: %coursenumbuf, %coursehombuf, %coursedescrbuf, %courseinstcodebuf,
1.958 www 87: %courseownerbuf, %coursetypebuf,$locknum);
1.403 www 88:
1.1 albertel 89: use IO::Socket;
1.31 www 90: use GDBM_File;
1.208 albertel 91: use HTML::LCParser;
1.88 www 92: use Fcntl qw(:flock);
1.870 albertel 93: use Storable qw(thaw nfreeze);
1.1289 damieng 94: use Time::HiRes qw( sleep gettimeofday tv_interval );
1.599 albertel 95: use Cache::Memcached;
1.676 albertel 96: use Digest::MD5;
1.790 albertel 97: use Math::Random;
1.1024 raeburn 98: use File::MMagic;
1.807 albertel 99: use LONCAPA qw(:DEFAULT :match);
1.740 www 100: use LONCAPA::Configuration;
1.1160 www 101: use LONCAPA::lonmetadata;
1.1167 droeschl 102: use LONCAPA::Lond;
1.1345 raeburn 103: use LONCAPA::LWPReq;
1.1406 raeburn 104: use LONCAPA::transliterate;
1.1117 foxr 105:
1.1090 raeburn 106: use File::Copy;
1.676 albertel 107:
1.195 www 108: my $readit;
1.1288 damieng 109: my $max_connection_retries = 20; # Or some such value.
1.1 albertel 110:
1.619 albertel 111: require Exporter;
112:
113: our @ISA = qw (Exporter);
114: our @EXPORT = qw(%env);
115:
1.449 matthew 116:
1.1187 raeburn 117: # ------------------------------------ Logging (parameters, docs, slots, roles)
1.729 www 118: {
119: my $logid;
1.1187 raeburn 120: sub write_log {
1.1188 raeburn 121: my ($context,$hash_name,$storehash,$delflag,$uname,$udom,$cnum,$cdom)=@_;
1.1184 raeburn 122: if ($context eq 'course') {
123: if (($cnum eq '') || ($cdom eq '')) {
124: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
125: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
126: }
1.957 raeburn 127: }
1.1184 raeburn 128: $logid ++;
1.957 raeburn 129: my $now = time();
130: my $id=$now.'00000'.$$.'00000'.$logid;
1.1184 raeburn 131: my $logentry = {
132: $id => {
133: 'exe_uname' => $env{'user.name'},
134: 'exe_udom' => $env{'user.domain'},
135: 'exe_time' => $now,
136: 'exe_ip' => $ENV{'REMOTE_ADDR'},
137: 'delflag' => $delflag,
138: 'logentry' => $storehash,
139: 'uname' => $uname,
140: 'udom' => $udom,
141: }
142: };
143: return &put('nohist_'.$hash_name,$logentry,$cdom,$cnum);
1.729 www 144: }
145: }
1.1 albertel 146:
1.163 harris41 147: sub logtouch {
148: my $execdir=$perlvar{'lonDaemons'};
1.448 albertel 149: unless (-e "$execdir/logs/lonnet.log") {
1.1359 raeburn 150: open(my $fh,">>","$execdir/logs/lonnet.log");
1.163 harris41 151: close $fh;
152: }
153: my ($wwwuid,$wwwgid)=(getpwnam('www'))[2,3];
154: chown($wwwuid,$wwwgid,$execdir.'/logs/lonnet.log');
155: }
156:
1.1 albertel 157: sub logthis {
158: my $message=shift;
159: my $execdir=$perlvar{'lonDaemons'};
160: my $now=time;
161: my $local=localtime($now);
1.1359 raeburn 162: if (open(my $fh,">>","$execdir/logs/lonnet.log")) {
1.986 foxr 163: my $logstring = $local. " ($$): ".$message."\n"; # Keep any \'s in string.
164: print $fh $logstring;
1.448 albertel 165: close($fh);
166: }
1.1 albertel 167: return 1;
168: }
169:
170: sub logperm {
171: my $message=shift;
172: my $execdir=$perlvar{'lonDaemons'};
173: my $now=time;
174: my $local=localtime($now);
1.1359 raeburn 175: if (open(my $fh,">>","$execdir/logs/lonnet.perm.log")) {
1.448 albertel 176: print $fh "$now:$message:$local\n";
177: close($fh);
178: }
1.1 albertel 179: return 1;
180: }
181:
1.850 albertel 182: sub create_connection {
1.853 albertel 183: my ($hostname,$lonid) = @_;
1.851 albertel 184: my $client=IO::Socket::UNIX->new(Peer => $perlvar{'lonSockCreate'},
1.850 albertel 185: Type => SOCK_STREAM,
186: Timeout => 10);
187: return 0 if (!$client);
1.1399 raeburn 188: print $client (join(':',$hostname,$lonid,&machine_ids($hostname),$loncaparevs{$lonid})."\n");
1.850 albertel 189: my $result = <$client>;
190: chomp($result);
191: return 1 if ($result eq 'done');
192: return 0;
193: }
194:
1.983 raeburn 195: sub get_server_timezone {
196: my ($cnum,$cdom) = @_;
197: my $home=&homeserver($cnum,$cdom);
198: if ($home ne 'no_host') {
199: my $cachetime = 24*3600;
200: my ($timezone,$cached)=&is_cached_new('servertimezone',$home);
201: if (defined($cached)) {
202: return $timezone;
203: } else {
204: my $timezone = &reply('servertimezone',$home);
205: return &do_cache_new('servertimezone',$home,$timezone,$cachetime);
206: }
207: }
208: }
1.850 albertel 209:
1.1106 raeburn 210: sub get_server_distarch {
211: my ($lonhost,$ignore_cache) = @_;
212: if (defined($lonhost)) {
213: if (!defined(&hostname($lonhost))) {
214: return;
215: }
216: my $cachetime = 12*3600;
217: if (!$ignore_cache) {
218: my ($distarch,$cached)=&is_cached_new('serverdistarch',$lonhost);
219: if (defined($cached)) {
220: return $distarch;
221: }
222: }
223: my $rep = &reply('serverdistarch',$lonhost);
224: unless ($rep eq 'unknown_command' || $rep eq 'no_such_host' ||
225: $rep eq 'con_lost' || $rep eq 'rejected' || $rep eq 'refused' ||
226: $rep eq '') {
227: return &do_cache_new('serverdistarch',$lonhost,$rep,$cachetime);
228: }
229: }
230: return;
231: }
232:
1.1315 raeburn 233: sub get_servercerts_info {
1.1383 raeburn 234: my ($lonhost,$hostname,$context) = @_;
235: return if ($lonhost eq '');
236: if ($hostname eq '') {
237: $hostname = &hostname($lonhost);
238: }
239: return if ($hostname eq '');
1.1315 raeburn 240: my ($rep,$uselocal);
1.1388 raeburn 241: if ($context eq 'install') {
1.1387 raeburn 242: $uselocal = 1;
243: } elsif (grep { $_ eq $lonhost } ¤t_machine_ids()) {
1.1315 raeburn 244: $uselocal = 1;
245: }
1.1387 raeburn 246: if (($context ne 'cgi') && ($context ne 'install') && ($uselocal)) {
1.1315 raeburn 247: my $distro = (split(/\:/,&get_server_distarch($lonhost)))[0];
1.1323 raeburn 248: if ($distro eq '') {
249: $uselocal = 0;
250: } elsif ($distro =~ /^(?:centos|redhat|scientific)(\d+)$/) {
1.1315 raeburn 251: if ($1 < 6) {
252: $uselocal = 0;
253: }
1.1346 raeburn 254: } elsif ($distro =~ /^(?:sles)(\d+)$/) {
255: if ($1 < 12) {
256: $uselocal = 0;
257: }
1.1315 raeburn 258: }
259: }
260: if ($uselocal) {
1.1383 raeburn 261: $rep = LONCAPA::Lond::server_certs(\%perlvar,$lonhost,$hostname);
1.1315 raeburn 262: } else {
263: $rep=&reply('servercerts',$lonhost);
264: }
265: my ($result,%returnhash);
266: if (($rep=~/^(refused|rejected|error)/) || ($rep eq 'con_lost') ||
267: ($rep eq 'unknown_cmd')) {
268: $result = $rep;
269: } else {
270: $result = 'ok';
271: my @pairs=split(/\&/,$rep);
272: foreach my $item (@pairs) {
273: my ($key,$value)=split(/=/,$item,2);
274: my $what = &unescape($key);
275: $returnhash{$what}=&thaw_unescape($value);
276: }
277: }
278: return ($result,\%returnhash);
279: }
280:
1.993 raeburn 281: sub get_server_loncaparev {
1.1073 raeburn 282: my ($dom,$lonhost,$ignore_cache,$caller) = @_;
1.993 raeburn 283: if (defined($lonhost)) {
284: if (!defined(&hostname($lonhost))) {
285: undef($lonhost);
286: }
287: }
288: if (!defined($lonhost)) {
289: if (defined(&domain($dom,'primary'))) {
290: $lonhost=&domain($dom,'primary');
291: if ($lonhost eq 'no_host') {
292: undef($lonhost);
293: }
294: }
295: }
296: if (defined($lonhost)) {
1.1073 raeburn 297: my $cachetime = 12*3600;
298: if (!$ignore_cache) {
299: my ($loncaparev,$cached)=&is_cached_new('serverloncaparev',$lonhost);
300: if (defined($cached)) {
301: return $loncaparev;
302: }
303: }
304: my ($answer,$loncaparev);
305: my @ids=¤t_machine_ids();
306: if (grep(/^\Q$lonhost\E$/,@ids)) {
307: $answer = $perlvar{'lonVersion'};
1.1081 raeburn 308: if ($answer =~ /^[\'\"]?([\w.\-]+)[\'\"]?$/) {
1.1073 raeburn 309: $loncaparev = $1;
310: }
311: } else {
312: $answer = &reply('serverloncaparev',$lonhost);
313: if (($answer eq 'unknown_cmd') || ($answer eq 'con_lost')) {
314: if ($caller eq 'loncron') {
1.1397 raeburn 315: my $hostname = &hostname($lonhost);
1.1073 raeburn 316: my $protocol = $protocol{$lonhost};
317: $protocol = 'http' if ($protocol ne 'https');
1.1397 raeburn 318: my $url = $protocol.'://'.$hostname.'/adm/about.html';
1.1073 raeburn 319: my $request=new HTTP::Request('GET',$url);
1.1345 raeburn 320: my $response=&LONCAPA::LWPReq::makerequest($lonhost,$request,'',\%perlvar,4,1);
1.1073 raeburn 321: unless ($response->is_error()) {
322: my $content = $response->content;
1.1081 raeburn 323: if ($content =~ /<p>VERSION\:\s*([\w.\-]+)<\/p>/) {
1.1073 raeburn 324: $loncaparev = $1;
325: }
326: }
327: } else {
328: $loncaparev = $loncaparevs{$lonhost};
329: }
1.1081 raeburn 330: } elsif ($answer =~ /^[\'\"]?([\w.\-]+)[\'\"]?$/) {
1.1073 raeburn 331: $loncaparev = $1;
332: }
1.993 raeburn 333: }
1.1073 raeburn 334: return &do_cache_new('serverloncaparev',$lonhost,$loncaparev,$cachetime);
1.993 raeburn 335: }
336: }
337:
1.1074 raeburn 338: sub get_server_homeID {
339: my ($hostname,$ignore_cache,$caller) = @_;
340: unless ($ignore_cache) {
341: my ($serverhomeID,$cached)=&is_cached_new('serverhomeID',$hostname);
342: if (defined($cached)) {
343: return $serverhomeID;
344: }
345: }
346: my $cachetime = 12*3600;
347: my $serverhomeID;
348: if ($caller eq 'loncron') {
349: my @machine_ids = &machine_ids($hostname);
350: foreach my $id (@machine_ids) {
351: my $response = &reply('serverhomeID',$id);
352: unless (($response eq 'unknown_cmd') || ($response eq 'con_lost')) {
353: $serverhomeID = $response;
354: last;
355: }
356: }
357: if ($serverhomeID eq '') {
358: $serverhomeID = $machine_ids[-1];
359: }
360: } else {
361: $serverhomeID = $serverhomeIDs{$hostname};
362: }
363: return &do_cache_new('serverhomeID',$hostname,$serverhomeID,$cachetime);
364: }
365:
1.1121 raeburn 366: sub get_remote_globals {
367: my ($lonhost,$whathash,$ignore_cache) = @_;
1.1125 raeburn 368: my ($result,%returnhash,%whatneeded);
369: if (ref($whathash) eq 'HASH') {
1.1121 raeburn 370: foreach my $what (sort(keys(%{$whathash}))) {
371: my $hashid = $lonhost.'-'.$what;
1.1125 raeburn 372: my ($response,$cached);
1.1121 raeburn 373: unless ($ignore_cache) {
1.1125 raeburn 374: ($response,$cached)=&is_cached_new('lonnetglobal',$hashid);
1.1121 raeburn 375: }
376: if (defined($cached)) {
1.1125 raeburn 377: $returnhash{$what} = $response;
1.1121 raeburn 378: } else {
1.1125 raeburn 379: $whatneeded{$what} = 1;
1.1121 raeburn 380: }
381: }
1.1125 raeburn 382: if (keys(%whatneeded) == 0) {
383: $result = 'ok';
384: } else {
1.1121 raeburn 385: my $requested = &freeze_escape(\%whatneeded);
386: my $rep=&reply('readlonnetglobal:'.$requested,$lonhost);
1.1125 raeburn 387: if (($rep=~/^(refused|rejected|error)/) || ($rep eq 'con_lost') ||
388: ($rep eq 'unknown_cmd')) {
389: $result = $rep;
390: } else {
391: $result = 'ok';
1.1121 raeburn 392: my @pairs=split(/\&/,$rep);
1.1125 raeburn 393: foreach my $item (@pairs) {
394: my ($key,$value)=split(/=/,$item,2);
395: my $what = &unescape($key);
396: my $hashid = $lonhost.'-'.$what;
397: $returnhash{$what}=&thaw_unescape($value);
398: &do_cache_new('lonnetglobal',$hashid,$returnhash{$what},600);
1.1121 raeburn 399: }
400: }
401: }
402: }
1.1125 raeburn 403: return ($result,\%returnhash);
1.1121 raeburn 404: }
405:
1.1124 raeburn 406: sub remote_devalidate_cache {
1.1241 raeburn 407: my ($lonhost,$cachekeys) = @_;
408: my $items;
409: return unless (ref($cachekeys) eq 'ARRAY');
410: my $cachestr = join('&',@{$cachekeys});
411: my $response = &reply('devalidatecache:'.&escape($cachestr),$lonhost);
1.1124 raeburn 412: return $response;
413: }
414:
1.1 albertel 415: # -------------------------------------------------- Non-critical communication
416: sub subreply {
417: my ($cmd,$server)=@_;
1.838 albertel 418: my $peerfile="$perlvar{'lonSockDir'}/".&hostname($server);
1.549 foxr 419: #
420: # With loncnew process trimming, there's a timing hole between lonc server
421: # process exit and the master server picking up the listen on the AF_UNIX
422: # socket. In that time interval, a lock file will exist:
423:
424: my $lockfile=$peerfile.".lock";
425: while (-e $lockfile) { # Need to wait for the lockfile to disappear.
1.1289 damieng 426: sleep(0.1);
1.549 foxr 427: }
428: # At this point, either a loncnew parent is listening or an old lonc
1.550 foxr 429: # or loncnew child is listening so we can connect or everything's dead.
1.549 foxr 430: #
1.550 foxr 431: # We'll give the connection a few tries before abandoning it. If
432: # connection is not possible, we'll con_lost back to the client.
433: #
434: my $client;
435: for (my $retries = 0; $retries < $max_connection_retries; $retries++) {
436: $client=IO::Socket::UNIX->new(Peer =>"$peerfile",
437: Type => SOCK_STREAM,
438: Timeout => 10);
1.869 albertel 439: if ($client) {
1.550 foxr 440: last; # Connected!
1.850 albertel 441: } else {
1.853 albertel 442: &create_connection(&hostname($server),$server);
1.550 foxr 443: }
1.1289 damieng 444: sleep(0.1); # Try again later if failed connection.
1.550 foxr 445: }
446: my $answer;
447: if ($client) {
1.704 albertel 448: print $client "sethost:$server:$cmd\n";
1.550 foxr 449: $answer=<$client>;
450: if (!$answer) { $answer="con_lost"; }
451: chomp($answer);
452: } else {
453: $answer = 'con_lost'; # Failed connection.
454: }
1.1 albertel 455: return $answer;
456: }
457:
458: sub reply {
459: my ($cmd,$server)=@_;
1.838 albertel 460: unless (defined(&hostname($server))) { return 'no_such_host'; }
1.1 albertel 461: my $answer=subreply($cmd,$server);
1.65 www 462: if (($answer=~/^refused/) || ($answer=~/^rejected/)) {
1.1396 raeburn 463: my $logged = $cmd;
464: if ($cmd =~ /^encrypt:([^:]+):/) {
465: my $subcmd = $1;
466: if (($subcmd eq 'auth') || ($subcmd eq 'passwd') ||
467: ($subcmd eq 'changeuserauth') || ($subcmd eq 'makeuser') ||
468: ($subcmd eq 'putdom') || ($subcmd eq 'autoexportgrades')) {
469: (undef,undef,my @rest) = split(/:/,$cmd);
470: if (($subcmd eq 'auth') || ($subcmd eq 'putdom')) {
471: splice(@rest,2,1,'Hidden');
472: } elsif ($subcmd eq 'passwd') {
473: splice(@rest,2,2,('Hidden','Hidden'));
474: } elsif (($subcmd eq 'changeuserauth') || ($subcmd eq 'makeuser') ||
475: ($subcmd eq 'autoexportgrades')) {
476: splice(@rest,3,1,'Hidden');
477: }
478: $logged = join(':',('encrypt:'.$subcmd,@rest));
479: }
480: }
481: &logthis("<font color=\"blue\">WARNING:".
482: " $logged to $server returned $answer</font>");
1.12 www 483: }
1.1 albertel 484: return $answer;
485: }
486:
487: # ----------------------------------------------------------- Send USR1 to lonc
488:
489: sub reconlonc {
1.891 albertel 490: my ($lonid) = @_;
491: if ($lonid) {
1.1295 raeburn 492: my $hostname = &hostname($lonid);
1.891 albertel 493: my $peerfile="$perlvar{'lonSockDir'}/$hostname";
494: if ($hostname && -e $peerfile) {
495: &logthis("Trying to reconnect lonc for $lonid ($hostname)");
496: my $client=IO::Socket::UNIX->new(Peer => $peerfile,
497: Type => SOCK_STREAM,
498: Timeout => 10);
499: if ($client) {
500: print $client ("reset_retries\n");
501: my $answer=<$client>;
502: #reset just this one.
503: }
504: }
505: return;
506: }
507:
1.836 www 508: &logthis("Trying to reconnect lonc");
1.1 albertel 509: my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid";
1.1359 raeburn 510: if (open(my $fh,"<",$loncfile)) {
1.1 albertel 511: my $loncpid=<$fh>;
512: chomp($loncpid);
513: if (kill 0 => $loncpid) {
514: &logthis("lonc at pid $loncpid responding, sending USR1");
515: kill USR1 => $loncpid;
516: sleep 1;
1.1295 raeburn 517: } else {
1.12 www 518: &logthis(
1.672 albertel 519: "<font color=\"blue\">WARNING:".
1.12 www 520: " lonc at pid $loncpid not responding, giving up</font>");
1.1 albertel 521: }
522: } else {
1.836 www 523: &logthis('<font color="blue">WARNING: lonc not running, giving up</font>');
1.1 albertel 524: }
525: }
526:
527: # ------------------------------------------------------ Critical communication
1.12 www 528:
1.1 albertel 529: sub critical {
530: my ($cmd,$server)=@_;
1.838 albertel 531: unless (&hostname($server)) {
1.672 albertel 532: &logthis("<font color=\"blue\">WARNING:".
1.89 www 533: " Critical message to unknown server ($server)</font>");
534: return 'no_such_host';
535: }
1.1 albertel 536: my $answer=reply($cmd,$server);
537: if ($answer eq 'con_lost') {
1.1295 raeburn 538: &reconlonc($server);
1.589 albertel 539: my $answer=reply($cmd,$server);
1.1 albertel 540: if ($answer eq 'con_lost') {
541: my $now=time;
542: my $middlename=$cmd;
1.5 www 543: $middlename=substr($middlename,0,16);
1.1 albertel 544: $middlename=~s/\W//g;
545: my $dfilename=
1.305 www 546: "$perlvar{'lonSockDir'}/delayed/$now.$dumpcount.$$.$middlename.$server";
547: $dumpcount++;
1.1 albertel 548: {
1.448 albertel 549: my $dfh;
1.1359 raeburn 550: if (open($dfh,">",$dfilename)) {
1.448 albertel 551: print $dfh "$cmd\n";
552: close($dfh);
553: }
1.1 albertel 554: }
1.1288 damieng 555: sleep 1;
1.1 albertel 556: my $wcmd='';
557: {
1.448 albertel 558: my $dfh;
1.1359 raeburn 559: if (open($dfh,"<",$dfilename)) {
1.448 albertel 560: $wcmd=<$dfh>;
561: close($dfh);
562: }
1.1 albertel 563: }
564: chomp($wcmd);
1.7 www 565: if ($wcmd eq $cmd) {
1.672 albertel 566: &logthis("<font color=\"blue\">WARNING: ".
1.12 www 567: "Connection buffer $dfilename: $cmd</font>");
1.1 albertel 568: &logperm("D:$server:$cmd");
569: return 'con_delayed';
570: } else {
1.672 albertel 571: &logthis("<font color=\"red\">CRITICAL:"
1.12 www 572: ." Critical connection failed: $server $cmd</font>");
1.1 albertel 573: &logperm("F:$server:$cmd");
574: return 'con_failed';
575: }
576: }
577: }
578: return $answer;
1.405 albertel 579: }
580:
1.755 albertel 581: # ------------------------------------------- check if return value is an error
582:
583: sub error {
584: my ($result) = @_;
1.756 albertel 585: if ($result =~ /^(con_lost|no_such_host|error: (\d+) (.*))/) {
1.755 albertel 586: if ($2 == 2) { return undef; }
587: return $1;
588: }
589: return undef;
590: }
591:
1.783 albertel 592: sub convert_and_load_session_env {
593: my ($lonidsdir,$handle)=@_;
594: my @profile;
595: {
1.917 albertel 596: my $opened = open(my $idf,'+<',"$lonidsdir/$handle.id");
597: if (!$opened) {
1.915 albertel 598: return 0;
599: }
1.783 albertel 600: flock($idf,LOCK_SH);
601: @profile=<$idf>;
602: close($idf);
603: }
604: my %temp_env;
605: foreach my $line (@profile) {
1.786 albertel 606: if ($line !~ m/=/) {
607: return 0;
608: }
1.783 albertel 609: chomp($line);
610: my ($envname,$envvalue)=split(/=/,$line,2);
611: $temp_env{&unescape($envname)} = &unescape($envvalue);
612: }
613: unlink("$lonidsdir/$handle.id");
614: if (tie(my %disk_env,'GDBM_File',"$lonidsdir/$handle.id",&GDBM_WRCREAT(),
615: 0640)) {
616: %disk_env = %temp_env;
617: @env{keys(%temp_env)} = @disk_env{keys(%temp_env)};
618: untie(%disk_env);
619: }
1.786 albertel 620: return 1;
1.783 albertel 621: }
622:
1.374 www 623: # ------------------------------------------- Transfer profile into environment
1.780 albertel 624: my $env_loaded;
625: sub transfer_profile_to_env {
1.788 albertel 626: my ($lonidsdir,$handle,$force_transfer) = @_;
627: if (!$force_transfer && $env_loaded) { return; }
1.374 www 628:
1.720 albertel 629: if (!defined($lonidsdir)) {
630: $lonidsdir = $perlvar{'lonIDsDir'};
631: }
632: if (!defined($handle)) {
633: ($handle) = ($env{'user.environment'} =~m|/([^/]+)\.id$| );
634: }
635:
1.786 albertel 636: my $convert;
637: {
1.917 albertel 638: my $opened = open(my $idf,'+<',"$lonidsdir/$handle.id");
639: if (!$opened) {
1.915 albertel 640: return;
641: }
1.786 albertel 642: flock($idf,LOCK_SH);
643: if (tie(my %disk_env,'GDBM_File',"$lonidsdir/$handle.id",
644: &GDBM_READER(),0640)) {
645: @env{keys(%disk_env)} = @disk_env{keys(%disk_env)};
646: untie(%disk_env);
647: } else {
648: $convert = 1;
649: }
650: }
651: if ($convert) {
652: if (!&convert_and_load_session_env($lonidsdir,$handle)) {
653: &logthis("Failed to load session, or convert session.");
654: }
1.374 www 655: }
1.783 albertel 656:
1.786 albertel 657: my %remove;
1.783 albertel 658: while ( my $envname = each(%env) ) {
1.433 matthew 659: if (my ($key,$time) = ($envname =~ /^(cgi\.(\d+)_\d+\.)/)) {
660: if ($time < time-300) {
1.783 albertel 661: $remove{$key}++;
1.433 matthew 662: }
663: }
664: }
1.783 albertel 665:
1.619 albertel 666: $env{'user.environment'} = "$lonidsdir/$handle.id";
1.780 albertel 667: $env_loaded=1;
1.783 albertel 668: foreach my $expired_key (keys(%remove)) {
1.433 matthew 669: &delenv($expired_key);
1.374 www 670: }
1.1 albertel 671: }
672:
1.916 albertel 673: # ---------------------------------------------------- Check for valid session
674: sub check_for_valid_session {
1.1355 raeburn 675: my ($r,$name,$userhashref,$domref) = @_;
1.916 albertel 676: my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
1.1378 raeburn 677: my ($lonidsdir,$linkname,$pubname,$secure,$lonid);
678: if ($name eq 'lonDAV') {
679: $lonidsdir=$r->dir_config('lonDAVsessDir');
680: } else {
681: $lonidsdir=$r->dir_config('lonIDsDir');
682: if ($name eq '') {
683: $name = 'lonID';
684: }
685: }
686: if ($name eq 'lonID') {
687: $secure = 'lonSID';
1.1337 raeburn 688: $linkname = 'lonLinkID';
689: $pubname = 'lonPubID';
1.1378 raeburn 690: if (exists($cookies{$secure})) {
691: $lonid=$cookies{$secure};
692: } elsif (exists($cookies{$name})) {
693: $lonid=$cookies{$name};
1.1400 raeburn 694: } elsif ((exists($cookies{$linkname})) && ($ENV{'SERVER_PORT'} != 443)) {
1.1337 raeburn 695: $lonid=$cookies{$linkname};
1.1378 raeburn 696: } elsif (exists($cookies{$pubname})) {
697: $lonid=$cookies{$pubname};
1.1337 raeburn 698: }
1.1378 raeburn 699: } else {
700: $lonid=$cookies{$name};
1.1337 raeburn 701: }
1.916 albertel 702: return undef if (!$lonid);
703:
704: my $handle=&LONCAPA::clean_handle($lonid->value);
1.1378 raeburn 705: if (-l "$lonidsdir/$handle.id") {
706: my $link = readlink("$lonidsdir/$handle.id");
707: if ((-e $link) && ($link =~ m{^\Q$lonidsdir\E/(.+)\.id$})) {
708: $handle = $1;
709: }
1.1155 raeburn 710: }
1.1355 raeburn 711: if (!-e "$lonidsdir/$handle.id") {
712: if ((ref($domref)) && ($name eq 'lonID') &&
713: ($handle =~ /^($match_username)\_\d+\_($match_domain)\_(.+)$/)) {
714: my ($possuname,$possudom,$possuhome) = ($1,$2,$3);
715: if ((&domain($possudom) ne '') && (&homeserver($possuname,$possudom) eq $possuhome)) {
716: $$domref = $possudom;
717: }
718: }
719: return undef;
720: }
1.916 albertel 721:
1.917 albertel 722: my $opened = open(my $idf,'+<',"$lonidsdir/$handle.id");
723: return undef if (!$opened);
1.916 albertel 724:
725: flock($idf,LOCK_SH);
726: my %disk_env;
727: if (!tie(%disk_env,'GDBM_File',"$lonidsdir/$handle.id",
728: &GDBM_READER(),0640)) {
729: return undef;
730: }
731:
732: if (!defined($disk_env{'user.name'})
733: || !defined($disk_env{'user.domain'})) {
1.1394 raeburn 734: untie(%disk_env);
1.916 albertel 735: return undef;
736: }
1.1245 raeburn 737:
738: if (ref($userhashref) eq 'HASH') {
739: $userhashref->{'name'} = $disk_env{'user.name'};
740: $userhashref->{'domain'} = $disk_env{'user.domain'};
1.1361 raeburn 741: $userhashref->{'lti'} = $disk_env{'request.lti.login'};
1.1375 raeburn 742: if ($userhashref->{'lti'}) {
743: $userhashref->{'ltitarget'} = $disk_env{'request.lti.target'};
744: $userhashref->{'ltiuri'} = $disk_env{'request.lti.uri'};
745: }
1.1212 raeburn 746: }
1.1394 raeburn 747: untie(%disk_env);
1.1245 raeburn 748:
1.916 albertel 749: return $handle;
750: }
751:
1.830 albertel 752: sub timed_flock {
753: my ($file,$lock_type) = @_;
754: my $failed=0;
755: eval {
756: local $SIG{__DIE__}='DEFAULT';
757: local $SIG{ALRM}=sub {
758: $failed=1;
759: die("failed lock");
760: };
761: alarm(13);
762: flock($file,$lock_type);
763: alarm(0);
764: };
765: if ($failed) {
766: return undef;
767: } else {
768: return 1;
769: }
770: }
771:
1.1392 raeburn 772: sub get_sessionfile_vars {
773: my ($handle,$lonidsdir,$storearr) = @_;
774: my %returnhash;
775: unless (ref($storearr) eq 'ARRAY') {
776: return %returnhash;
777: }
778: if (-l "$lonidsdir/$handle.id") {
779: my $link = readlink("$lonidsdir/$handle.id");
780: if ((-e $link) && ($link =~ m{^\Q$lonidsdir\E/(.+)\.id$})) {
781: $handle = $1;
782: }
783: }
784: if ((-e "$lonidsdir/$handle.id") &&
785: ($handle =~ /^($match_username)\_\d+\_($match_domain)\_(.+)$/)) {
786: my ($possuname,$possudom,$possuhome) = ($1,$2,$3);
787: if ((&domain($possudom) ne '') && (&homeserver($possuname,$possudom) eq $possuhome)) {
788: if (open(my $idf,'+<',"$lonidsdir/$handle.id")) {
789: flock($idf,LOCK_SH);
790: if (tie(my %disk_env,'GDBM_File',"$lonidsdir/$handle.id",
791: &GDBM_READER(),0640)) {
792: foreach my $item (@{$storearr}) {
793: $returnhash{$item} = $disk_env{$item};
794: }
795: untie(%disk_env);
796: }
797: }
798: }
799: }
800: return %returnhash;
801: }
802:
1.5 www 803: # ---------------------------------------------------------- Append Environment
804:
805: sub appenv {
1.949 raeburn 806: my ($newenv,$roles) = @_;
807: if (ref($newenv) eq 'HASH') {
808: foreach my $key (keys(%{$newenv})) {
809: my $refused = 0;
810: if (($key =~ /^user\.role/) || ($key =~ /^user\.priv/)) {
811: $refused = 1;
812: if (ref($roles) eq 'ARRAY') {
1.1250 raeburn 813: my ($type,$role) = ($key =~ m{^user\.(role|priv)\.(.+?)\./});
1.949 raeburn 814: if (grep(/^\Q$role\E$/,@{$roles})) {
815: $refused = 0;
816: }
817: }
818: }
819: if ($refused) {
820: &logthis("<font color=\"blue\">WARNING: ".
821: "Attempt to modify environment ".$key." to ".$newenv->{$key}
822: .'</font>');
823: delete($newenv->{$key});
824: } else {
825: $env{$key}=$newenv->{$key};
826: }
827: }
1.1376 raeburn 828: my $lonids = $perlvar{'lonIDsDir'};
829: if ($env{'user.environment'} =~ m{^\Q$lonids/\E$match_username\_\d+\_$match_domain\_[\w\-.]+\.id$}) {
830: my $opened = open(my $env_file,'+<',$env{'user.environment'});
831: if ($opened
832: && &timed_flock($env_file,LOCK_EX)
833: &&
834: tie(my %disk_env,'GDBM_File',$env{'user.environment'},
835: (&GDBM_WRITER()|&GDBM_NOLOCK()),0640)) {
836: while (my ($key,$value) = each(%{$newenv})) {
837: $disk_env{$key} = $value;
838: }
839: untie(%disk_env);
840: }
1.35 www 841: }
1.191 harris41 842: }
1.56 www 843: return 'ok';
844: }
845: # ----------------------------------------------------- Delete from Environment
846:
847: sub delenv {
1.1104 raeburn 848: my ($delthis,$regexp,$roles) = @_;
849: if (($delthis=~/^user\.role/) || ($delthis=~/^user\.priv/)) {
850: my $refused = 1;
851: if (ref($roles) eq 'ARRAY') {
852: my ($type,$role) = ($delthis =~ /^user\.(role|priv)\.([^.]+)\./);
853: if (grep(/^\Q$role\E$/,@{$roles})) {
854: $refused = 0;
855: }
856: }
857: if ($refused) {
858: &logthis("<font color=\"blue\">WARNING: ".
859: "Attempt to delete from environment ".$delthis);
860: return 'error';
861: }
1.56 www 862: }
1.917 albertel 863: my $opened = open(my $env_file,'+<',$env{'user.environment'});
864: if ($opened
1.915 albertel 865: && &timed_flock($env_file,LOCK_EX)
1.830 albertel 866: &&
867: tie(my %disk_env,'GDBM_File',$env{'user.environment'},
868: (&GDBM_WRITER()|&GDBM_NOLOCK()),0640)) {
1.783 albertel 869: foreach my $key (keys(%disk_env)) {
1.987 raeburn 870: if ($regexp) {
871: if ($key=~/^$delthis/) {
872: delete($env{$key});
873: delete($disk_env{$key});
874: }
875: } else {
876: if ($key=~/^\Q$delthis\E/) {
877: delete($env{$key});
878: delete($disk_env{$key});
879: }
880: }
1.448 albertel 881: }
1.783 albertel 882: untie(%disk_env);
1.5 www 883: }
884: return 'ok';
1.369 albertel 885: }
886:
1.790 albertel 887: sub get_env_multiple {
888: my ($name) = @_;
889: my @values;
890: if (defined($env{$name})) {
891: # exists is it an array
892: if (ref($env{$name})) {
893: @values=@{ $env{$name} };
894: } else {
895: $values[0]=$env{$name};
896: }
897: }
898: return(@values);
899: }
900:
1.958 www 901: # ------------------------------------------------------------------- Locking
902:
903: sub set_lock {
904: my ($text)=@_;
905: $locknum++;
906: my $id=$$.'-'.$locknum;
907: &appenv({'session.locks' => $env{'session.locks'}.','.$id,
908: 'session.lock.'.$id => $text});
909: return $id;
910: }
911:
912: sub get_locks {
913: my $num=0;
914: my %texts=();
915: foreach my $lock (split(/\,/,$env{'session.locks'})) {
916: if ($lock=~/\w/) {
917: $num++;
918: $texts{$lock}=$env{'session.lock.'.$lock};
919: }
920: }
921: return ($num,%texts);
922: }
923:
924: sub remove_lock {
925: my ($id)=@_;
926: my $newlocks='';
927: foreach my $lock (split(/\,/,$env{'session.locks'})) {
928: if (($lock=~/\w/) && ($lock ne $id)) {
929: $newlocks.=','.$lock;
930: }
931: }
932: &appenv({'session.locks' => $newlocks});
933: &delenv('session.lock.'.$id);
934: }
935:
936: sub remove_all_locks {
937: my $activelocks=$env{'session.locks'};
938: foreach my $lock (split(/\,/,$env{'session.locks'})) {
939: if ($lock=~/\w/) {
940: &remove_lock($lock);
941: }
942: }
943: }
944:
945:
1.369 albertel 946: # ------------------------------------------ Find out current server userload
947: sub userload {
948: my $numusers=0;
949: {
950: opendir(LONIDS,$perlvar{'lonIDsDir'});
951: my $filename;
952: my $curtime=time;
953: while ($filename=readdir(LONIDS)) {
1.925 albertel 954: next if ($filename eq '.' || $filename eq '..');
955: next if ($filename =~ /publicuser_\d+\.id/);
1.1390 raeburn 956: next if ($filename =~ /^[a-f0-9]+_linked\.id$/);
1.404 albertel 957: my ($mtime)=(stat($perlvar{'lonIDsDir'}.'/'.$filename))[9];
1.437 albertel 958: if ($curtime-$mtime < 1800) { $numusers++; }
1.369 albertel 959: }
960: closedir(LONIDS);
961: }
962: my $userloadpercent=0;
963: my $maxuserload=$perlvar{'lonUserLoadLim'};
964: if ($maxuserload) {
1.371 albertel 965: $userloadpercent=100*$numusers/$maxuserload;
1.369 albertel 966: }
1.372 albertel 967: $userloadpercent=sprintf("%.2f",$userloadpercent);
1.369 albertel 968: return $userloadpercent;
1.283 www 969: }
970:
1.1 albertel 971: # ------------------------------ Find server with least workload from spare.tab
1.11 www 972:
1.1 albertel 973: sub spareserver {
1.1083 raeburn 974: my ($loadpercent,$userloadpercent,$want_server_name,$udom) = @_;
1.784 albertel 975: my $spare_server;
1.370 albertel 976: if ($userloadpercent !~ /\d/) { $userloadpercent=0; }
1.784 albertel 977: my $lowest_load=($loadpercent > $userloadpercent) ? $loadpercent
978: : $userloadpercent;
1.1083 raeburn 979: my ($uint_dom,$remotesessions);
980: if (($udom ne '') && (&domain($udom) ne '')) {
981: my $uprimary_id = &Apache::lonnet::domain($udom,'primary');
982: $uint_dom = &Apache::lonnet::internet_dom($uprimary_id);
983: my %udomdefaults = &Apache::lonnet::get_domain_defaults($udom);
984: $remotesessions = $udomdefaults{'remotesessions'};
985: }
1.1123 raeburn 986: my $spareshash = &this_host_spares($udom);
987: if (ref($spareshash) eq 'HASH') {
988: if (ref($spareshash->{'primary'}) eq 'ARRAY') {
989: foreach my $try_server (@{ $spareshash->{'primary'} }) {
1.1279 raeburn 990: next unless (&spare_can_host($udom,$uint_dom,$remotesessions,
991: $try_server));
1.1123 raeburn 992: ($spare_server, $lowest_load) =
993: &compare_server_load($try_server, $spare_server, $lowest_load);
994: }
1.1083 raeburn 995: }
1.784 albertel 996:
1.1123 raeburn 997: my $found_server = ($spare_server ne '' && $lowest_load < 100);
998:
999: if (!$found_server) {
1000: if (ref($spareshash->{'default'}) eq 'ARRAY') {
1001: foreach my $try_server (@{ $spareshash->{'default'} }) {
1.1279 raeburn 1002: next unless (&spare_can_host($udom,$uint_dom,
1003: $remotesessions,$try_server));
1.1123 raeburn 1004: ($spare_server, $lowest_load) =
1005: &compare_server_load($try_server, $spare_server, $lowest_load);
1006: }
1007: }
1008: }
1.784 albertel 1009: }
1010:
1011: if (!$want_server_name) {
1.1001 raeburn 1012: if (defined($spare_server)) {
1013: my $hostname = &hostname($spare_server);
1.1083 raeburn 1014: if (defined($hostname)) {
1.1397 raeburn 1015: my $protocol = 'http';
1016: if ($protocol{$spare_server} eq 'https') {
1017: $protocol = $protocol{$spare_server};
1018: }
1.1001 raeburn 1019: $spare_server = $protocol.'://'.$hostname;
1020: }
1021: }
1.784 albertel 1022: }
1023: return $spare_server;
1024: }
1025:
1026: sub compare_server_load {
1.1253 raeburn 1027: my ($try_server, $spare_server, $lowest_load, $required) = @_;
1028:
1029: if ($required) {
1030: my ($reqdmajor,$reqdminor) = ($required =~ /^(\d+)\.(\d+)$/);
1031: my $remoterev = &get_server_loncaparev(undef,$try_server);
1032: my ($major,$minor) = ($remoterev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?$/);
1033: if (($major eq '' && $minor eq '') ||
1034: (($reqdmajor > $major) || (($reqdmajor == $major) && ($reqdminor > $minor)))) {
1035: return ($spare_server,$lowest_load);
1036: }
1037: }
1.784 albertel 1038:
1039: my $loadans = &reply('load', $try_server);
1040: my $userloadans = &reply('userload',$try_server);
1041:
1042: if ($loadans !~ /\d/ && $userloadans !~ /\d/) {
1.1114 raeburn 1043: return ($spare_server, $lowest_load); #didn't get a number from the server
1.784 albertel 1044: }
1045:
1046: my $load;
1047: if ($loadans =~ /\d/) {
1048: if ($userloadans =~ /\d/) {
1049: #both are numbers, pick the bigger one
1050: $load = ($loadans > $userloadans) ? $loadans
1051: : $userloadans;
1.411 albertel 1052: } else {
1.784 albertel 1053: $load = $loadans;
1.411 albertel 1054: }
1.784 albertel 1055: } else {
1056: $load = $userloadans;
1057: }
1058:
1059: if (($load =~ /\d/) && ($load < $lowest_load)) {
1060: $spare_server = $try_server;
1061: $lowest_load = $load;
1.370 albertel 1062: }
1.784 albertel 1063: return ($spare_server,$lowest_load);
1.202 matthew 1064: }
1.914 albertel 1065:
1066: # --------------------------- ask offload servers if user already has a session
1067: sub find_existing_session {
1068: my ($udom,$uname) = @_;
1.1123 raeburn 1069: my $spareshash = &this_host_spares($udom);
1070: if (ref($spareshash) eq 'HASH') {
1071: if (ref($spareshash->{'primary'}) eq 'ARRAY') {
1072: foreach my $try_server (@{ $spareshash->{'primary'} }) {
1073: return $try_server if (&has_user_session($try_server, $udom, $uname));
1074: }
1075: }
1076: if (ref($spareshash->{'default'}) eq 'ARRAY') {
1077: foreach my $try_server (@{ $spareshash->{'default'} }) {
1078: return $try_server if (&has_user_session($try_server, $udom, $uname));
1079: }
1080: }
1.914 albertel 1081: }
1082: return;
1083: }
1084:
1.1411 raeburn 1085: sub delusersession {
1086: my ($lonid,$udom,$uname) = @_;
1087: my $uprimary_id = &domain($udom,'primary');
1088: my $uintdom = &internet_dom($uprimary_id);
1089: my $intdom = &internet_dom($lonid);
1090: my $serverhomedom = &host_domain($lonid);
1091: if (($uintdom ne '') && ($uintdom eq $intdom)) {
1092: return &reply(join(':','delusersession',
1093: map {&escape($_)} ($udom,$uname)),$lonid);
1094: }
1095: return;
1096: }
1097:
1.1389 raeburn 1098: # check if user's browser sent load balancer cookie and server still has session
1099: # and is not overloaded.
1100: sub check_for_balancer_cookie {
1101: my ($r,$update_mtime) = @_;
1102: my ($otherserver,$cookie);
1103: my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
1104: if (exists($cookies{'balanceID'})) {
1105: my $balid = $cookies{'balanceID'};
1106: $cookie=&LONCAPA::clean_handle($balid->value);
1107: my $balancedir=$r->dir_config('lonBalanceDir');
1108: if ((-d $balancedir) && (-e "$balancedir/$cookie.id")) {
1109: if ($cookie =~ /^($match_domain)_($match_username)_[a-f0-9]+$/) {
1110: my ($possudom,$possuname) = ($1,$2);
1111: my $has_session = 0;
1112: if ((&domain($possudom) ne '') &&
1113: (&homeserver($possuname,$possudom) ne 'no_host')) {
1114: my $try_server;
1115: my $opened = open(my $idf,'+<',"$balancedir/$cookie.id");
1116: if ($opened) {
1117: flock($idf,LOCK_SH);
1118: while (my $line = <$idf>) {
1119: chomp($line);
1120: if (&hostname($line) ne '') {
1121: $try_server = $line;
1122: last;
1123: }
1124: }
1125: close($idf);
1126: if (($try_server) &&
1127: (&has_user_session($try_server,$possudom,$possuname))) {
1128: my $lowest_load = 30000;
1129: ($otherserver,$lowest_load) =
1130: &compare_server_load($try_server,undef,$lowest_load);
1131: if ($otherserver ne '' && $lowest_load < 100) {
1132: $has_session = 1;
1133: } else {
1134: undef($otherserver);
1135: }
1136: }
1137: }
1138: }
1139: if ($has_session) {
1140: if ($update_mtime) {
1141: my $atime = my $mtime = time;
1142: utime($atime,$mtime,"$balancedir/$cookie.id");
1143: }
1144: } else {
1145: unlink("$balancedir/$cookie.id");
1146: }
1147: }
1148: }
1149: }
1150: return ($otherserver,$cookie);
1151: }
1152:
1153: sub delbalcookie {
1154: my ($cookie,$balancer) =@_;
1155: if ($cookie =~ /^($match_domain)\_($match_username)\_[a-f0-9]{32}$/) {
1156: my ($udom,$uname) = ($1,$2);
1157: my $uprimary_id = &domain($udom,'primary');
1158: my $uintdom = &internet_dom($uprimary_id);
1159: my $intdom = &internet_dom($balancer);
1160: my $serverhomedom = &host_domain($balancer);
1161: if (($uintdom ne '') && ($uintdom eq $intdom)) {
1162: return &reply("delbalcookie:$cookie",$balancer);
1163: }
1164: }
1165: }
1166:
1.914 albertel 1167: # -------------------------------- ask if server already has a session for user
1168: sub has_user_session {
1169: my ($lonid,$udom,$uname) = @_;
1170: my $result = &reply(join(':','userhassession',
1171: map {&escape($_)} ($udom,$uname)),$lonid);
1172: return 1 if ($result eq 'ok');
1173:
1174: return 0;
1175: }
1176:
1.1076 raeburn 1177: # --------- determine least loaded server in a user's domain which allows login
1178:
1179: sub choose_server {
1.1259 raeburn 1180: my ($udom,$checkloginvia,$required,$skiploadbal) = @_;
1.1076 raeburn 1181: my %domconfhash = &Apache::loncommon::get_domainconf($udom);
1.1077 raeburn 1182: my %servers = &get_servers($udom);
1.1076 raeburn 1183: my $lowest_load = 30000;
1.1259 raeburn 1184: my ($login_host,$hostname,$portal_path,$isredirect,$balancers);
1185: if ($skiploadbal) {
1186: ($balancers,my $cached)=&is_cached_new('loadbalancing',$udom);
1187: unless (defined($cached)) {
1188: my $cachetime = 60*60*24;
1189: my %domconfig =
1190: &Apache::lonnet::get_dom('configuration',['loadbalancing'],$udom);
1191: if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
1192: $balancers = &do_cache_new('loadbalancing',$udom,$domconfig{'loadbalancing'},
1193: $cachetime);
1194: }
1195: }
1196: }
1.1076 raeburn 1197: foreach my $lonhost (keys(%servers)) {
1.1259 raeburn 1198: if ($skiploadbal) {
1199: if (ref($balancers) eq 'HASH') {
1200: next if (exists($balancers->{$lonhost}));
1201: }
1.1389 raeburn 1202: }
1.1115 raeburn 1203: my $loginvia;
1204: if ($checkloginvia) {
1205: $loginvia = $domconfhash{$udom.'.login.loginvia_'.$lonhost};
1.1116 raeburn 1206: if ($loginvia) {
1207: my ($server,$path) = split(/:/,$loginvia);
1208: ($login_host, $lowest_load) =
1.1253 raeburn 1209: &compare_server_load($server, $login_host, $lowest_load, $required);
1.1116 raeburn 1210: if ($login_host eq $server) {
1211: $portal_path = $path;
1.1151 raeburn 1212: $isredirect = 1;
1.1116 raeburn 1213: }
1214: } else {
1215: ($login_host, $lowest_load) =
1.1253 raeburn 1216: &compare_server_load($lonhost, $login_host, $lowest_load, $required);
1.1116 raeburn 1217: if ($login_host eq $lonhost) {
1218: $portal_path = '';
1.1151 raeburn 1219: $isredirect = '';
1.1116 raeburn 1220: }
1221: }
1222: } else {
1.1076 raeburn 1223: ($login_host, $lowest_load) =
1.1253 raeburn 1224: &compare_server_load($lonhost, $login_host, $lowest_load, $required);
1.1076 raeburn 1225: }
1226: }
1227: if ($login_host ne '') {
1.1116 raeburn 1228: $hostname = &hostname($login_host);
1.1076 raeburn 1229: }
1.1331 raeburn 1230: return ($login_host,$hostname,$portal_path,$isredirect,$lowest_load);
1.1076 raeburn 1231: }
1232:
1.202 matthew 1233: # --------------------------------------------- Try to change a user's password
1234:
1235: sub changepass {
1.799 raeburn 1236: my ($uname,$udom,$currentpass,$newpass,$server,$context)=@_;
1.202 matthew 1237: $currentpass = &escape($currentpass);
1238: $newpass = &escape($newpass);
1.1030 raeburn 1239: my $lonhost = $perlvar{'lonHostID'};
1240: my $answer = reply("encrypt:passwd:$udom:$uname:$currentpass:$newpass:$context:$lonhost",
1.202 matthew 1241: $server);
1242: if (! $answer) {
1243: &logthis("No reply on password change request to $server ".
1244: "by $uname in domain $udom.");
1245: } elsif ($answer =~ "^ok") {
1246: &logthis("$uname in $udom successfully changed their password ".
1247: "on $server.");
1248: } elsif ($answer =~ "^pwchange_failure") {
1249: &logthis("$uname in $udom was unable to change their password ".
1250: "on $server. The action was blocked by either lcpasswd ".
1251: "or pwchange");
1252: } elsif ($answer =~ "^non_authorized") {
1253: &logthis("$uname in $udom did not get their password correct when ".
1254: "attempting to change it on $server.");
1255: } elsif ($answer =~ "^auth_mode_error") {
1256: &logthis("$uname in $udom attempted to change their password despite ".
1257: "not being locally or internally authenticated on $server.");
1258: } elsif ($answer =~ "^unknown_user") {
1259: &logthis("$uname in $udom attempted to change their password ".
1260: "on $server but were unable to because $server is not ".
1261: "their home server.");
1262: } elsif ($answer =~ "^refused") {
1263: &logthis("$server refused to change $uname in $udom password because ".
1264: "it was sent an unencrypted request to change the password.");
1.1030 raeburn 1265: } elsif ($answer =~ "invalid_client") {
1266: &logthis("$server refused to change $uname in $udom password because ".
1267: "it was a reset by e-mail originating from an invalid server.");
1.1408 raeburn 1268: } elsif ($answer =~ "^prioruse") {
1269: &logthis("$server refused to change $uname in $udom password because ".
1270: "the password had been used before");
1.202 matthew 1271: }
1272: return $answer;
1.1 albertel 1273: }
1274:
1.169 harris41 1275: # ----------------------- Try to determine user's current authentication scheme
1276:
1277: sub queryauthenticate {
1278: my ($uname,$udom)=@_;
1.456 albertel 1279: my $uhome=&homeserver($uname,$udom);
1280: if (!$uhome) {
1281: &logthis("User $uname at $udom is unknown when looking for authentication mechanism");
1282: return 'no_host';
1283: }
1284: my $answer=reply("encrypt:currentauth:$udom:$uname",$uhome);
1285: if ($answer =~ /^(unknown_user|refused|con_lost)/) {
1286: &logthis("User $uname at $udom threw error $answer when checking authentication mechanism");
1.169 harris41 1287: }
1.456 albertel 1288: return $answer;
1.169 harris41 1289: }
1290:
1.1 albertel 1291: # --------- Try to authenticate user from domain's lib servers (first this one)
1.11 www 1292:
1.1 albertel 1293: sub authenticate {
1.1073 raeburn 1294: my ($uname,$upass,$udom,$checkdefauth,$clientcancheckhost)=@_;
1.807 albertel 1295: $upass=&escape($upass);
1296: $uname= &LONCAPA::clean_username($uname);
1.836 www 1297: my $uhome=&homeserver($uname,$udom,1);
1.952 raeburn 1298: my $newhome;
1.836 www 1299: if ((!$uhome) || ($uhome eq 'no_host')) {
1300: # Maybe the machine was offline and only re-appeared again recently?
1301: &reconlonc();
1302: # One more
1.952 raeburn 1303: $uhome=&homeserver($uname,$udom,1);
1304: if (($uhome eq 'no_host') && $checkdefauth) {
1305: if (defined(&domain($udom,'primary'))) {
1306: $newhome=&domain($udom,'primary');
1307: }
1308: if ($newhome ne '') {
1309: $uhome = $newhome;
1310: }
1311: }
1.836 www 1312: if ((!$uhome) || ($uhome eq 'no_host')) {
1313: &logthis("User $uname at $udom is unknown in authenticate");
1.952 raeburn 1314: return 'no_host';
1315: }
1.1 albertel 1316: }
1.1073 raeburn 1317: my $answer=reply("encrypt:auth:$udom:$uname:$upass:$checkdefauth:$clientcancheckhost",$uhome);
1.471 albertel 1318: if ($answer eq 'authorized') {
1.952 raeburn 1319: if ($newhome) {
1320: &logthis("User $uname at $udom authorized by $uhome, but needs account");
1321: return 'no_account_on_host';
1322: } else {
1323: &logthis("User $uname at $udom authorized by $uhome");
1324: return $uhome;
1325: }
1.471 albertel 1326: }
1327: if ($answer eq 'non_authorized') {
1328: &logthis("User $uname at $udom rejected by $uhome");
1329: return 'no_host';
1.9 www 1330: }
1.471 albertel 1331: &logthis("User $uname at $udom threw error $answer when checking authentication mechanism");
1.1 albertel 1332: return 'no_host';
1333: }
1334:
1.1073 raeburn 1335: sub can_host_session {
1.1074 raeburn 1336: my ($udom,$lonhost,$remoterev,$remotesessions,$hostedsessions) = @_;
1.1073 raeburn 1337: my $canhost = 1;
1.1074 raeburn 1338: my $host_idn = &Apache::lonnet::internet_dom($lonhost);
1.1073 raeburn 1339: if (ref($remotesessions) eq 'HASH') {
1340: if (ref($remotesessions->{'excludedomain'}) eq 'ARRAY') {
1.1074 raeburn 1341: if (grep(/^\Q$host_idn\E$/,@{$remotesessions->{'excludedomain'}})) {
1.1073 raeburn 1342: $canhost = 0;
1343: } else {
1344: $canhost = 1;
1345: }
1346: }
1347: if (ref($remotesessions->{'includedomain'}) eq 'ARRAY') {
1.1074 raeburn 1348: if (grep(/^\Q$host_idn\E$/,@{$remotesessions->{'includedomain'}})) {
1.1073 raeburn 1349: $canhost = 1;
1350: } else {
1351: $canhost = 0;
1352: }
1353: }
1354: if ($canhost) {
1355: if ($remotesessions->{'version'} ne '') {
1356: my ($reqmajor,$reqminor) = ($remotesessions->{'version'} =~ /^(\d+)\.(\d+)$/);
1357: if ($reqmajor ne '' && $reqminor ne '') {
1358: if ($remoterev =~ /^\'?(\d+)\.(\d+)/) {
1359: my $major = $1;
1360: my $minor = $2;
1361: if (($major < $reqmajor ) ||
1362: (($major == $reqmajor) && ($minor < $reqminor))) {
1363: $canhost = 0;
1364: }
1365: } else {
1366: $canhost = 0;
1367: }
1368: }
1369: }
1370: }
1371: }
1372: if ($canhost) {
1373: if (ref($hostedsessions) eq 'HASH') {
1.1120 raeburn 1374: my $uprimary_id = &Apache::lonnet::domain($udom,'primary');
1375: my $uint_dom = &Apache::lonnet::internet_dom($uprimary_id);
1.1073 raeburn 1376: if (ref($hostedsessions->{'excludedomain'}) eq 'ARRAY') {
1.1120 raeburn 1377: if (($uint_dom ne '') &&
1378: (grep(/^\Q$uint_dom\E$/,@{$hostedsessions->{'excludedomain'}}))) {
1.1073 raeburn 1379: $canhost = 0;
1380: } else {
1381: $canhost = 1;
1382: }
1383: }
1384: if (ref($hostedsessions->{'includedomain'}) eq 'ARRAY') {
1.1120 raeburn 1385: if (($uint_dom ne '') &&
1386: (grep(/^\Q$uint_dom\E$/,@{$hostedsessions->{'includedomain'}}))) {
1.1073 raeburn 1387: $canhost = 1;
1388: } else {
1389: $canhost = 0;
1390: }
1391: }
1392: }
1393: }
1394: return $canhost;
1395: }
1396:
1.1083 raeburn 1397: sub spare_can_host {
1398: my ($udom,$uint_dom,$remotesessions,$try_server)=@_;
1399: my $canhost=1;
1.1279 raeburn 1400: my $try_server_hostname = &hostname($try_server);
1401: my $serverhomeID = &get_server_homeID($try_server_hostname);
1402: my $serverhomedom = &host_domain($serverhomeID);
1403: my %defdomdefaults = &get_domain_defaults($serverhomedom);
1404: if (ref($defdomdefaults{'offloadnow'}) eq 'HASH') {
1405: if ($defdomdefaults{'offloadnow'}{$try_server}) {
1406: $canhost = 0;
1407: }
1408: }
1409: if (($canhost) && ($uint_dom)) {
1410: my @intdoms;
1411: my $internet_names = &get_internet_names($try_server);
1412: if (ref($internet_names) eq 'ARRAY') {
1413: @intdoms = @{$internet_names};
1414: }
1415: unless (grep(/^\Q$uint_dom\E$/,@intdoms)) {
1416: my $remoterev = &get_server_loncaparev(undef,$try_server);
1417: $canhost = &can_host_session($udom,$try_server,$remoterev,
1418: $remotesessions,
1419: $defdomdefaults{'hostedsessions'});
1420: }
1.1083 raeburn 1421: }
1422: return $canhost;
1423: }
1424:
1.1123 raeburn 1425: sub this_host_spares {
1426: my ($dom) = @_;
1.1126 raeburn 1427: my ($dom_in_use,$lonhost_in_use,$result);
1.1123 raeburn 1428: my @hosts = ¤t_machine_ids();
1429: foreach my $lonhost (@hosts) {
1430: if (&host_domain($lonhost) eq $dom) {
1.1126 raeburn 1431: $dom_in_use = $dom;
1432: $lonhost_in_use = $lonhost;
1.1123 raeburn 1433: last;
1434: }
1435: }
1.1126 raeburn 1436: if ($dom_in_use ne '') {
1437: $result = &spares_for_offload($dom_in_use,$lonhost_in_use);
1438: }
1439: if (ref($result) ne 'HASH') {
1440: $lonhost_in_use = $perlvar{'lonHostID'};
1441: $dom_in_use = &host_domain($lonhost_in_use);
1442: $result = &spares_for_offload($dom_in_use,$lonhost_in_use);
1443: if (ref($result) ne 'HASH') {
1444: $result = \%spareid;
1445: }
1446: }
1447: return $result;
1448: }
1449:
1450: sub spares_for_offload {
1451: my ($dom_in_use,$lonhost_in_use) = @_;
1452: my ($result,$cached)=&is_cached_new('spares',$dom_in_use);
1.1123 raeburn 1453: if (defined($cached)) {
1454: return $result;
1455: } else {
1.1126 raeburn 1456: my $cachetime = 60*60*24;
1457: my %domconfig =
1458: &Apache::lonnet::get_dom('configuration',['usersessions'],$dom_in_use);
1459: if (ref($domconfig{'usersessions'}) eq 'HASH') {
1460: if (ref($domconfig{'usersessions'}{'spares'}) eq 'HASH') {
1461: if (ref($domconfig{'usersessions'}{'spares'}{$lonhost_in_use}) eq 'HASH') {
1462: return &do_cache_new('spares',$dom_in_use,$domconfig{'usersessions'}{'spares'}{$lonhost_in_use},$cachetime);
1.1123 raeburn 1463: }
1464: }
1465: }
1466: }
1.1126 raeburn 1467: return;
1.1123 raeburn 1468: }
1469:
1.1129 raeburn 1470: sub get_lonbalancer_config {
1471: my ($servers) = @_;
1472: my ($currbalancer,$currtargets);
1473: if (ref($servers) eq 'HASH') {
1474: foreach my $server (keys(%{$servers})) {
1475: my %what = (
1476: spareid => 1,
1477: perlvar => 1,
1478: );
1479: my ($result,$returnhash) = &get_remote_globals($server,\%what);
1480: if ($result eq 'ok') {
1481: if (ref($returnhash) eq 'HASH') {
1482: if (ref($returnhash->{'perlvar'}) eq 'HASH') {
1483: if ($returnhash->{'perlvar'}->{'lonBalancer'} eq 'yes') {
1484: $currbalancer = $server;
1485: $currtargets = {};
1486: if (ref($returnhash->{'spareid'}) eq 'HASH') {
1487: if (ref($returnhash->{'spareid'}->{'primary'}) eq 'ARRAY') {
1488: $currtargets->{'primary'} = $returnhash->{'spareid'}->{'primary'};
1489: }
1490: if (ref($returnhash->{'spareid'}->{'default'}) eq 'ARRAY') {
1491: $currtargets->{'default'} = $returnhash->{'spareid'}->{'default'};
1492: }
1493: }
1494: last;
1495: }
1496: }
1497: }
1498: }
1499: }
1500: }
1501: return ($currbalancer,$currtargets);
1502: }
1503:
1504: sub check_loadbalancing {
1.1331 raeburn 1505: my ($uname,$udom,$caller) = @_;
1.1191 raeburn 1506: my ($is_balancer,$currtargets,$currrules,$dom_in_use,$homeintdom,
1.1391 raeburn 1507: $rule_in_effect,$offloadto,$otherserver,$setcookie,$dom_balancers);
1.1129 raeburn 1508: my $lonhost = $perlvar{'lonHostID'};
1.1175 raeburn 1509: my @hosts = ¤t_machine_ids();
1.1129 raeburn 1510: my $uprimary_id = &Apache::lonnet::domain($udom,'primary');
1511: my $uintdom = &Apache::lonnet::internet_dom($uprimary_id);
1512: my $intdom = &Apache::lonnet::internet_dom($lonhost);
1513: my $serverhomedom = &host_domain($lonhost);
1.1307 raeburn 1514: my $domneedscache;
1.1129 raeburn 1515: my $cachetime = 60*60*24;
1516:
1517: if (($uintdom ne '') && ($uintdom eq $intdom)) {
1518: $dom_in_use = $udom;
1519: $homeintdom = 1;
1520: } else {
1521: $dom_in_use = $serverhomedom;
1522: }
1523: my ($result,$cached)=&is_cached_new('loadbalancing',$dom_in_use);
1524: unless (defined($cached)) {
1525: my %domconfig =
1526: &Apache::lonnet::get_dom('configuration',['loadbalancing'],$dom_in_use);
1527: if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
1.1130 raeburn 1528: $result = &do_cache_new('loadbalancing',$dom_in_use,$domconfig{'loadbalancing'},$cachetime);
1.1307 raeburn 1529: } else {
1530: $domneedscache = $dom_in_use;
1.1129 raeburn 1531: }
1532: }
1533: if (ref($result) eq 'HASH') {
1.1391 raeburn 1534: ($is_balancer,$currtargets,$currrules,$setcookie,$dom_balancers) =
1.1191 raeburn 1535: &check_balancer_result($result,@hosts);
1.1129 raeburn 1536: if ($is_balancer) {
1537: if (ref($currrules) eq 'HASH') {
1538: if ($homeintdom) {
1539: if ($uname ne '') {
1540: if (($currrules->{'_LC_adv'} ne '') || ($currrules->{'_LC_author'} ne '')) {
1541: my ($is_adv,$is_author) = &is_advanced_user($udom,$uname);
1542: if (($currrules->{'_LC_author'} ne '') && ($is_author)) {
1543: $rule_in_effect = $currrules->{'_LC_author'};
1544: } elsif (($currrules->{'_LC_adv'} ne '') && ($is_adv)) {
1545: $rule_in_effect = $currrules->{'_LC_adv'}
1546: }
1547: }
1548: if ($rule_in_effect eq '') {
1549: my %userenv = &userenvironment($udom,$uname,'inststatus');
1550: if ($userenv{'inststatus'} ne '') {
1551: my @statuses = map { &unescape($_); } split(/:/,$userenv{'inststatus'});
1552: my ($othertitle,$usertypes,$types) =
1553: &Apache::loncommon::sorted_inst_types($udom);
1554: if (ref($types) eq 'ARRAY') {
1555: foreach my $type (@{$types}) {
1556: if (grep(/^\Q$type\E$/,@statuses)) {
1557: if (exists($currrules->{$type})) {
1558: $rule_in_effect = $currrules->{$type};
1559: }
1560: }
1561: }
1562: }
1563: } else {
1564: if (exists($currrules->{'default'})) {
1565: $rule_in_effect = $currrules->{'default'};
1566: }
1567: }
1568: }
1569: } else {
1570: if (exists($currrules->{'default'})) {
1571: $rule_in_effect = $currrules->{'default'};
1572: }
1573: }
1574: } else {
1575: if ($currrules->{'_LC_external'} ne '') {
1576: $rule_in_effect = $currrules->{'_LC_external'};
1577: }
1578: }
1579: $offloadto = &get_loadbalancer_targets($rule_in_effect,$currtargets,
1580: $uname,$udom);
1581: }
1582: }
1583: } elsif (($homeintdom) && ($udom ne $serverhomedom)) {
1.1239 raeburn 1584: ($result,$cached)=&is_cached_new('loadbalancing',$serverhomedom);
1.1129 raeburn 1585: unless (defined($cached)) {
1586: my %domconfig =
1587: &Apache::lonnet::get_dom('configuration',['loadbalancing'],$serverhomedom);
1588: if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
1.1307 raeburn 1589: $result = &do_cache_new('loadbalancing',$serverhomedom,$domconfig{'loadbalancing'},$cachetime);
1590: } else {
1591: $domneedscache = $serverhomedom;
1.1129 raeburn 1592: }
1593: }
1594: if (ref($result) eq 'HASH') {
1.1391 raeburn 1595: ($is_balancer,$currtargets,$currrules,$setcookie,$dom_balancers) =
1.1191 raeburn 1596: &check_balancer_result($result,@hosts);
1597: if ($is_balancer) {
1.1129 raeburn 1598: if (ref($currrules) eq 'HASH') {
1599: if ($currrules->{'_LC_internetdom'} ne '') {
1600: $rule_in_effect = $currrules->{'_LC_internetdom'};
1601: }
1602: }
1603: $offloadto = &get_loadbalancer_targets($rule_in_effect,$currtargets,
1604: $uname,$udom);
1605: }
1606: } else {
1607: if ($perlvar{'lonBalancer'} eq 'yes') {
1608: $is_balancer = 1;
1609: $offloadto = &this_host_spares($dom_in_use);
1610: }
1.1307 raeburn 1611: unless (defined($cached)) {
1612: $domneedscache = $serverhomedom;
1613: }
1.1129 raeburn 1614: }
1615: } else {
1616: if ($perlvar{'lonBalancer'} eq 'yes') {
1617: $is_balancer = 1;
1618: $offloadto = &this_host_spares($dom_in_use);
1619: }
1.1307 raeburn 1620: unless (defined($cached)) {
1621: $domneedscache = $serverhomedom;
1622: }
1623: }
1624: if ($domneedscache) {
1625: &do_cache_new('loadbalancing',$domneedscache,$is_balancer,$cachetime);
1.1129 raeburn 1626: }
1.1176 raeburn 1627: if ($is_balancer) {
1628: my $lowest_load = 30000;
1629: if (ref($offloadto) eq 'HASH') {
1630: if (ref($offloadto->{'primary'}) eq 'ARRAY') {
1631: foreach my $try_server (@{$offloadto->{'primary'}}) {
1632: ($otherserver,$lowest_load) =
1633: &compare_server_load($try_server,$otherserver,$lowest_load);
1634: }
1.1129 raeburn 1635: }
1.1176 raeburn 1636: my $found_server = ($otherserver ne '' && $lowest_load < 100);
1.1129 raeburn 1637:
1.1176 raeburn 1638: if (!$found_server) {
1639: if (ref($offloadto->{'default'}) eq 'ARRAY') {
1640: foreach my $try_server (@{$offloadto->{'default'}}) {
1641: ($otherserver,$lowest_load) =
1642: &compare_server_load($try_server,$otherserver,$lowest_load);
1643: }
1644: }
1645: }
1646: } elsif (ref($offloadto) eq 'ARRAY') {
1647: if (@{$offloadto} == 1) {
1648: $otherserver = $offloadto->[0];
1649: } elsif (@{$offloadto} > 1) {
1650: foreach my $try_server (@{$offloadto}) {
1.1129 raeburn 1651: ($otherserver,$lowest_load) =
1652: &compare_server_load($try_server,$otherserver,$lowest_load);
1653: }
1654: }
1655: }
1.1331 raeburn 1656: unless ($caller eq 'login') {
1657: if (($otherserver ne '') && (grep(/^\Q$otherserver\E$/,@hosts))) {
1658: $is_balancer = 0;
1659: if ($uname ne '' && $udom ne '') {
1660: if (($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) {
1.1389 raeburn 1661: &appenv({'user.loadbalexempt' => $lonhost,
1.1331 raeburn 1662: 'user.loadbalcheck.time' => time});
1663: }
1.1176 raeburn 1664: }
1.1129 raeburn 1665: }
1666: }
1.1389 raeburn 1667: unless ($homeintdom) {
1668: undef($setcookie);
1669: }
1.1129 raeburn 1670: }
1.1391 raeburn 1671: return ($is_balancer,$otherserver,$setcookie,$offloadto,$dom_balancers);
1.1129 raeburn 1672: }
1673:
1.1191 raeburn 1674: sub check_balancer_result {
1675: my ($result,@hosts) = @_;
1.1391 raeburn 1676: my ($is_balancer,$currtargets,$currrules,$setcookie,$dom_balancers);
1.1191 raeburn 1677: if (ref($result) eq 'HASH') {
1678: if ($result->{'lonhost'} ne '') {
1679: my $currbalancer = $result->{'lonhost'};
1680: if (grep(/^\Q$currbalancer\E$/,@hosts)) {
1681: $is_balancer = 1;
1682: $currtargets = $result->{'targets'};
1683: $currrules = $result->{'rules'};
1684: }
1.1391 raeburn 1685: $dom_balancers = $currbalancer;
1.1191 raeburn 1686: } else {
1.1391 raeburn 1687: if (keys(%{$result})) {
1688: foreach my $key (keys(%{$result})) {
1689: if (($key ne '') && (grep(/^\Q$key\E$/,@hosts)) &&
1690: (ref($result->{$key}) eq 'HASH')) {
1691: $is_balancer = 1;
1692: $currrules = $result->{$key}{'rules'};
1693: $currtargets = $result->{$key}{'targets'};
1694: $setcookie = $result->{$key}{'cookie'};
1695: last;
1696: }
1.1191 raeburn 1697: }
1.1391 raeburn 1698: $dom_balancers = join(',',sort(keys(%{$result})));
1.1191 raeburn 1699: }
1700: }
1701: }
1.1391 raeburn 1702: return ($is_balancer,$currtargets,$currrules,$setcookie,$dom_balancers);
1.1191 raeburn 1703: }
1704:
1.1129 raeburn 1705: sub get_loadbalancer_targets {
1706: my ($rule_in_effect,$currtargets,$uname,$udom) = @_;
1707: my $offloadto;
1.1175 raeburn 1708: if ($rule_in_effect eq 'none') {
1709: return [$perlvar{'lonHostID'}];
1710: } elsif ($rule_in_effect eq '') {
1.1129 raeburn 1711: $offloadto = $currtargets;
1712: } else {
1713: if ($rule_in_effect eq 'homeserver') {
1714: my $homeserver = &homeserver($uname,$udom);
1715: if ($homeserver ne 'no_host') {
1716: $offloadto = [$homeserver];
1717: }
1718: } elsif ($rule_in_effect eq 'externalbalancer') {
1719: my %domconfig =
1720: &Apache::lonnet::get_dom('configuration',['loadbalancing'],$udom);
1721: if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
1722: if ($domconfig{'loadbalancing'}{'lonhost'} ne '') {
1723: if (&hostname($domconfig{'loadbalancing'}{'lonhost'}) ne '') {
1724: $offloadto = [$domconfig{'loadbalancing'}{'lonhost'}];
1725: }
1726: }
1727: } else {
1.1178 raeburn 1728: my %servers = &internet_dom_servers($udom);
1.1129 raeburn 1729: my ($remotebalancer,$remotetargets) = &get_lonbalancer_config(\%servers);
1730: if (&hostname($remotebalancer) ne '') {
1731: $offloadto = [$remotebalancer];
1732: }
1733: }
1734: } elsif (&hostname($rule_in_effect) ne '') {
1735: $offloadto = [$rule_in_effect];
1736: }
1737: }
1738: return $offloadto;
1739: }
1740:
1.1127 raeburn 1741: sub internet_dom_servers {
1742: my ($dom) = @_;
1743: my (%uniqservers,%servers);
1744: my $primaryserver = &hostname(&domain($dom,'primary'));
1745: my @machinedoms = &machine_domains($primaryserver);
1746: foreach my $mdom (@machinedoms) {
1747: my %currservers = %servers;
1748: my %server = &get_servers($mdom);
1749: %servers = (%currservers,%server);
1750: }
1751: my %by_hostname;
1752: foreach my $id (keys(%servers)) {
1753: push(@{$by_hostname{$servers{$id}}},$id);
1754: }
1755: foreach my $hostname (sort(keys(%by_hostname))) {
1756: if (@{$by_hostname{$hostname}} > 1) {
1757: my $match = 0;
1758: foreach my $id (@{$by_hostname{$hostname}}) {
1759: if (&host_domain($id) eq $dom) {
1760: $uniqservers{$id} = $hostname;
1761: $match = 1;
1762: }
1763: }
1764: unless ($match) {
1765: $uniqservers{$by_hostname{$hostname}[0]} = $hostname;
1766: }
1767: } else {
1768: $uniqservers{$by_hostname{$hostname}[0]} = $hostname;
1769: }
1770: }
1771: return %uniqservers;
1772: }
1773:
1.1347 raeburn 1774: sub trusted_domains {
1775: my ($cmdtype,$calldom) = @_;
1.1349 raeburn 1776: my ($trusted,$untrusted);
1.1347 raeburn 1777: if (&domain($calldom) eq '') {
1.1349 raeburn 1778: return ($trusted,$untrusted);
1.1347 raeburn 1779: }
1.1395 raeburn 1780: unless ($cmdtype =~ /^(content|shared|enroll|coaurem|othcoau|domroles|catalog|reqcrs|msg)$/) {
1.1349 raeburn 1781: return ($trusted,$untrusted);
1.1347 raeburn 1782: }
1783: my $callprimary = &domain($calldom,'primary');
1784: my $intcalldom = &Apache::lonnet::internet_dom($callprimary);
1785: if ($intcalldom eq '') {
1.1349 raeburn 1786: return ($trusted,$untrusted);
1.1347 raeburn 1787: }
1788:
1789: my ($trustconfig,$cached)=&Apache::lonnet::is_cached_new('trust',$calldom);
1790: unless (defined($cached)) {
1791: my %domconfig = &Apache::lonnet::get_dom('configuration',['trust'],$calldom);
1792: &Apache::lonnet::do_cache_new('trust',$calldom,$domconfig{'trust'},3600);
1793: $trustconfig = $domconfig{'trust'};
1794: }
1795: if (ref($trustconfig)) {
1796: my (%possexc,%possinc,@allexc,@allinc);
1797: if (ref($trustconfig->{$cmdtype}) eq 'HASH') {
1798: if (ref($trustconfig->{$cmdtype}->{'exc'}) eq 'ARRAY') {
1799: map { $possexc{$_} = 1; } @{$trustconfig->{$cmdtype}->{'exc'}};
1800: }
1801: if (ref($trustconfig->{$cmdtype}->{'inc'}) eq 'ARRAY') {
1.1395 raeburn 1802: $possinc{$intcalldom} = 1;
1.1347 raeburn 1803: map { $possinc{$_} = 1; } @{$trustconfig->{$cmdtype}->{'inc'}};
1804: }
1805: }
1806: if (keys(%possexc)) {
1807: if (keys(%possinc)) {
1808: foreach my $key (sort(keys(%possexc))) {
1809: next if ($key eq $intcalldom);
1810: unless ($possinc{$key}) {
1811: push(@allexc,$key);
1812: }
1813: }
1814: } else {
1815: @allexc = sort(keys(%possexc));
1816: }
1817: }
1818: if (keys(%possinc)) {
1819: $possinc{$intcalldom} = 1;
1820: @allinc = sort(keys(%possinc));
1821: }
1822: if ((@allexc > 0) || (@allinc > 0)) {
1823: my %doms_by_intdom;
1824: my %allintdoms = &all_host_intdom();
1825: my %alldoms = &all_host_domain();
1826: foreach my $key (%allintdoms) {
1827: if (ref($doms_by_intdom{$allintdoms{$key}}) eq 'ARRAY') {
1828: unless (grep(/^\Q$alldoms{$key}\E$/,@{$doms_by_intdom{$allintdoms{$key}}})) {
1829: push(@{$doms_by_intdom{$allintdoms{$key}}},$alldoms{$key});
1830: }
1831: } else {
1832: $doms_by_intdom{$allintdoms{$key}} = [$alldoms{$key}];
1833: }
1834: }
1835: foreach my $exc (@allexc) {
1836: if (ref($doms_by_intdom{$exc}) eq 'ARRAY') {
1.1395 raeburn 1837: push(@{$untrusted},@{$doms_by_intdom{$exc}});
1.1347 raeburn 1838: }
1839: }
1840: foreach my $inc (@allinc) {
1841: if (ref($doms_by_intdom{$inc}) eq 'ARRAY') {
1.1395 raeburn 1842: push(@{$trusted},@{$doms_by_intdom{$inc}});
1.1347 raeburn 1843: }
1844: }
1845: }
1846: }
1.1349 raeburn 1847: return ($trusted,$untrusted);
1.1347 raeburn 1848: }
1849:
1850: sub will_trust {
1851: my ($cmdtype,$domain,$possdom) = @_;
1852: return 1 if ($domain eq $possdom);
1853: my ($trustedref,$untrustedref) = &trusted_domains($cmdtype,$possdom);
1854: my $willtrust;
1855: if ((ref($trustedref) eq 'ARRAY') && (@{$trustedref} > 0)) {
1856: if (grep(/^\Q$domain\E$/,@{$trustedref})) {
1857: $willtrust = 1;
1858: }
1859: } elsif ((ref($untrustedref) eq 'ARRAY') && (@{$untrustedref} > 0)) {
1860: unless (grep(/^\Q$domain\E$/,@{$untrustedref})) {
1861: $willtrust = 1;
1862: }
1863: } else {
1864: $willtrust = 1;
1865: }
1866: return $willtrust;
1867: }
1868:
1.1 albertel 1869: # ---------------------- Find the homebase for a user from domain's lib servers
1.11 www 1870:
1.599 albertel 1871: my %homecache;
1.1 albertel 1872: sub homeserver {
1.230 stredwic 1873: my ($uname,$udom,$ignoreBadCache)=@_;
1.1 albertel 1874: my $index="$uname:$udom";
1.426 albertel 1875:
1.599 albertel 1876: if (exists($homecache{$index})) { return $homecache{$index}; }
1.841 albertel 1877:
1878: my %servers = &get_servers($udom,'library');
1879: foreach my $tryserver (keys(%servers)) {
1.230 stredwic 1880: next if ($ignoreBadCache ne 'true' &&
1.231 stredwic 1881: exists($badServerCache{$tryserver}));
1.841 albertel 1882:
1883: my $answer=reply("home:$udom:$uname",$tryserver);
1884: if ($answer eq 'found') {
1885: delete($badServerCache{$tryserver});
1886: return $homecache{$index}=$tryserver;
1887: } elsif ($answer eq 'no_host') {
1888: $badServerCache{$tryserver}=1;
1889: }
1.1 albertel 1890: }
1891: return 'no_host';
1.70 www 1892: }
1893:
1.1300 raeburn 1894: # ----- Find the usernames behind a list of student/employee IDs or clicker IDs
1.70 www 1895:
1896: sub idget {
1.1300 raeburn 1897: my ($udom,$idsref,$namespace)=@_;
1.70 www 1898: my %returnhash=();
1.1300 raeburn 1899: my @ids=();
1900: if (ref($idsref) eq 'ARRAY') {
1901: @ids = @{$idsref};
1902: } else {
1903: return %returnhash;
1904: }
1905: if ($namespace eq '') {
1906: $namespace = 'ids';
1907: }
1.70 www 1908:
1.841 albertel 1909: my %servers = &get_servers($udom,'library');
1910: foreach my $tryserver (keys(%servers)) {
1.1299 raeburn 1911: my $idlist=join('&', map { &escape($_); } @ids);
1.1300 raeburn 1912: if ($namespace eq 'ids') {
1913: $idlist=~tr/A-Z/a-z/;
1914: }
1915: my $reply;
1916: if ($namespace eq 'ids') {
1917: $reply=&reply("idget:$udom:".$idlist,$tryserver);
1918: } else {
1919: $reply=&reply("getdom:$udom:$namespace:$idlist",$tryserver);
1920: }
1.841 albertel 1921: my @answer=();
1922: if (($reply ne 'con_lost') && ($reply!~/^error\:/)) {
1923: @answer=split(/\&/,$reply);
1924: } ;
1925: my $i;
1926: for ($i=0;$i<=$#ids;$i++) {
1927: if ($answer[$i]) {
1.1299 raeburn 1928: $returnhash{$ids[$i]}=&unescape($answer[$i]);
1.1300 raeburn 1929: }
1.841 albertel 1930: }
1.1300 raeburn 1931: }
1.70 www 1932: return %returnhash;
1933: }
1934:
1935: # ------------------------------------- Find the IDs behind a list of usernames
1936:
1937: sub idrget {
1938: my ($udom,@unames)=@_;
1939: my %returnhash=();
1.800 albertel 1940: foreach my $uname (@unames) {
1941: $returnhash{$uname}=(&userenvironment($udom,$uname,'id'))[1];
1.191 harris41 1942: }
1.70 www 1943: return %returnhash;
1944: }
1945:
1.1300 raeburn 1946: # Store away a list of names and associated student/employee IDs or clicker IDs
1.70 www 1947:
1948: sub idput {
1.1300 raeburn 1949: my ($udom,$idsref,$uhom,$namespace)=@_;
1.70 www 1950: my %servers=();
1.1300 raeburn 1951: my %ids=();
1952: my %byid = ();
1953: if (ref($idsref) eq 'HASH') {
1954: %ids=%{$idsref};
1955: }
1956: if ($namespace eq '') {
1957: $namespace = 'ids';
1958: }
1.800 albertel 1959: foreach my $uname (keys(%ids)) {
1960: &cput('environment',{'id'=>$ids{$uname}},$udom,$uname);
1.1300 raeburn 1961: if ($uhom eq '') {
1962: $uhom=&homeserver($uname,$udom);
1963: }
1.70 www 1964: if ($uhom ne 'no_host') {
1.800 albertel 1965: my $esc_unam=&escape($uname);
1.1300 raeburn 1966: if ($namespace eq 'ids') {
1967: my $id=&escape($ids{$uname});
1968: $id=~tr/A-Z/a-z/;
1969: my $esc_unam=&escape($uname);
1970: $servers{$uhom}.=$id.'='.$esc_unam.'&';
1.70 www 1971: } else {
1.1300 raeburn 1972: my @currids = split(/,/,$ids{$uname});
1973: foreach my $id (@currids) {
1974: $byid{$uhom}{$id} .= $uname.',';
1975: }
1976: }
1977: }
1978: }
1979: if ($namespace eq 'clickers') {
1980: foreach my $server (keys(%byid)) {
1981: if (ref($byid{$server}) eq 'HASH') {
1982: foreach my $id (keys(%{$byid{$server}})) {
1983: $byid{$server} =~ s/,$//;
1984: $servers{$uhom}.=&escape($id).'='.&escape($byid{$server}).'&';
1985: }
1.70 www 1986: }
1987: }
1.191 harris41 1988: }
1.800 albertel 1989: foreach my $server (keys(%servers)) {
1.1300 raeburn 1990: $servers{$server} =~ s/\&$//;
1991: if ($namespace eq 'ids') {
1992: &critical('idput:'.$udom.':'.$servers{$server},$server);
1993: } else {
1994: &critical('updateclickers:'.$udom.':add:'.$servers{$server},$server);
1995: }
1.191 harris41 1996: }
1.344 www 1997: }
1998:
1.1300 raeburn 1999: # ------------- Delete unwanted student/employee IDs or clicker IDs from domain
1.1231 raeburn 2000:
2001: sub iddel {
1.1300 raeburn 2002: my ($udom,$idshashref,$uhome,$namespace)=@_;
1.1231 raeburn 2003: my %result=();
1.1300 raeburn 2004: my %ids=();
2005: my %byid = ();
2006: if (ref($idshashref) eq 'HASH') {
2007: %ids=%{$idshashref};
2008: } else {
1.1231 raeburn 2009: return %result;
2010: }
1.1300 raeburn 2011: if ($namespace eq '') {
2012: $namespace = 'ids';
2013: }
1.1231 raeburn 2014: my %servers=();
1.1300 raeburn 2015: while (my ($id,$unamestr) = each(%ids)) {
2016: if ($namespace eq 'ids') {
2017: my $uhom = $uhome;
2018: if ($uhom eq '') {
2019: $uhom=&homeserver($unamestr,$udom);
2020: }
2021: if ($uhom ne 'no_host') {
2022: $servers{$uhom}.='&'.&escape($id);
2023: }
2024: } else {
2025: my @curritems = split(/,/,$ids{$id});
2026: foreach my $uname (@curritems) {
2027: my $uhom = $uhome;
2028: if ($uhom eq '') {
2029: $uhom=&homeserver($uname,$udom);
2030: }
2031: if ($uhom ne 'no_host') {
2032: $byid{$uhom}{$id} .= $uname.',';
2033: }
2034: }
1.1231 raeburn 2035: }
1.1300 raeburn 2036: }
2037: if ($namespace eq 'clickers') {
2038: foreach my $server (keys(%byid)) {
2039: if (ref($byid{$server}) eq 'HASH') {
2040: foreach my $id (keys(%{$byid{$server}})) {
2041: $byid{$server}{$id} =~ s/,$//;
2042: $servers{$server}.=&escape($id).'='.&escape($byid{$server}{$id}).'&';
2043: }
1.1231 raeburn 2044: }
2045: }
2046: }
2047: foreach my $server (keys(%servers)) {
1.1300 raeburn 2048: $servers{$server} =~ s/\&$//;
2049: if ($namespace eq 'ids') {
2050: $result{$server} = &critical('iddel:'.$udom.':'.$servers{$server},$uhome);
2051: } elsif ($namespace eq 'clickers') {
2052: $result{$server} = &critical('updateclickers:'.$udom.':del:'.$servers{$server},$server);
2053: }
1.1231 raeburn 2054: }
2055: return %result;
2056: }
2057:
1.1300 raeburn 2058: # ----- Update clicker ID-to-username look-ups in clickers.db on library server
2059:
2060: sub updateclickers {
2061: my ($udom,$action,$idshashref,$uhome,$critical) = @_;
2062: my %clickers;
2063: if (ref($idshashref) eq 'HASH') {
2064: %clickers=%{$idshashref};
2065: } else {
2066: return;
2067: }
2068: my $items='';
2069: foreach my $item (keys(%clickers)) {
2070: $items.=&escape($item).'='.&escape($clickers{$item}).'&';
2071: }
2072: $items=~s/\&$//;
2073: my $request = "updateclickers:$udom:$action:$items";
2074: if ($critical) {
2075: return &critical($request,$uhome);
2076: } else {
2077: return &reply($request,$uhome);
2078: }
2079: }
2080:
1.1023 raeburn 2081: # ------------------------------dump from db file owned by domainconfig user
1.1012 raeburn 2082: sub dump_dom {
1.1165 droeschl 2083: my ($namespace, $udom, $regexp) = @_;
2084:
2085: $udom ||= $env{'user.domain'};
2086:
2087: return () unless $udom;
2088:
2089: return &dump($namespace, $udom, &get_domainconfiguser($udom), $regexp);
1.1012 raeburn 2090: }
2091:
1.1023 raeburn 2092: # ------------------------------------------ get items from domain db files
1.806 raeburn 2093:
2094: sub get_dom {
1.860 raeburn 2095: my ($namespace,$storearr,$udom,$uhome)=@_;
1.1267 raeburn 2096: return if ($udom eq 'public');
1.806 raeburn 2097: my $items='';
2098: foreach my $item (@$storearr) {
2099: $items.=&escape($item).'&';
2100: }
2101: $items=~s/\&$//;
1.860 raeburn 2102: if (!$udom) {
2103: $udom=$env{'user.domain'};
1.1267 raeburn 2104: return if ($udom eq 'public');
1.860 raeburn 2105: if (defined(&domain($udom,'primary'))) {
2106: $uhome=&domain($udom,'primary');
2107: } else {
1.874 albertel 2108: undef($uhome);
1.860 raeburn 2109: }
2110: } else {
2111: if (!$uhome) {
2112: if (defined(&domain($udom,'primary'))) {
2113: $uhome=&domain($udom,'primary');
2114: }
2115: }
2116: }
2117: if ($udom && $uhome && ($uhome ne 'no_host')) {
1.1344 raeburn 2118: my $rep;
2119: if ($namespace =~ /^enc/) {
2120: $rep=&reply("encrypt:egetdom:$udom:$namespace:$items",$uhome);
2121: } else {
2122: $rep=&reply("getdom:$udom:$namespace:$items",$uhome);
2123: }
1.866 raeburn 2124: my %returnhash;
1.875 albertel 2125: if ($rep eq '' || $rep =~ /^error: 2 /) {
1.866 raeburn 2126: return %returnhash;
2127: }
1.806 raeburn 2128: my @pairs=split(/\&/,$rep);
2129: if ( $#pairs==0 && $pairs[0] =~ /^(con_lost|error|no_such_host)/i) {
2130: return @pairs;
2131: }
2132: my $i=0;
2133: foreach my $item (@$storearr) {
2134: $returnhash{$item}=&thaw_unescape($pairs[$i]);
2135: $i++;
2136: }
2137: return %returnhash;
2138: } else {
1.880 banghart 2139: &logthis("get_dom failed - no homeserver and/or domain ($udom) ($uhome)");
1.806 raeburn 2140: }
2141: }
2142:
2143: # -------------------------------------------- put items in domain db files
2144:
2145: sub put_dom {
1.860 raeburn 2146: my ($namespace,$storehash,$udom,$uhome)=@_;
2147: if (!$udom) {
2148: $udom=$env{'user.domain'};
2149: if (defined(&domain($udom,'primary'))) {
2150: $uhome=&domain($udom,'primary');
2151: } else {
1.874 albertel 2152: undef($uhome);
1.860 raeburn 2153: }
2154: } else {
2155: if (!$uhome) {
2156: if (defined(&domain($udom,'primary'))) {
2157: $uhome=&domain($udom,'primary');
2158: }
2159: }
2160: }
2161: if ($udom && $uhome && ($uhome ne 'no_host')) {
1.806 raeburn 2162: my $items='';
2163: foreach my $item (keys(%$storehash)) {
2164: $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';
2165: }
2166: $items=~s/\&$//;
1.1344 raeburn 2167: if ($namespace =~ /^enc/) {
2168: return &reply("encrypt:putdom:$udom:$namespace:$items",$uhome);
2169: } else {
2170: return &reply("putdom:$udom:$namespace:$items",$uhome);
2171: }
1.806 raeburn 2172: } else {
1.860 raeburn 2173: &logthis("put_dom failed - no homeserver and/or domain");
1.806 raeburn 2174: }
2175: }
2176:
1.1023 raeburn 2177: # --------------------- newput for items in db file owned by domainconfig user
1.1012 raeburn 2178: sub newput_dom {
1.1023 raeburn 2179: my ($namespace,$storehash,$udom) = @_;
1.1012 raeburn 2180: my $result;
2181: if (!$udom) {
2182: $udom=$env{'user.domain'};
2183: }
1.1023 raeburn 2184: if ($udom) {
2185: my $uname = &get_domainconfiguser($udom);
2186: $result = &newput($namespace,$storehash,$udom,$uname);
1.1012 raeburn 2187: }
2188: return $result;
2189: }
2190:
1.1023 raeburn 2191: # --------------------- delete for items in db file owned by domainconfig user
1.1012 raeburn 2192: sub del_dom {
1.1023 raeburn 2193: my ($namespace,$storearr,$udom)=@_;
1.1012 raeburn 2194: if (ref($storearr) eq 'ARRAY') {
2195: if (!$udom) {
2196: $udom=$env{'user.domain'};
2197: }
1.1023 raeburn 2198: if ($udom) {
2199: my $uname = &get_domainconfiguser($udom);
2200: return &del($namespace,$storearr,$udom,$uname);
1.1012 raeburn 2201: }
2202: }
2203: }
2204:
1.1023 raeburn 2205: # ----------------------------------construct domainconfig user for a domain
2206: sub get_domainconfiguser {
2207: my ($udom) = @_;
2208: return $udom.'-domainconfig';
2209: }
2210:
1.837 raeburn 2211: sub retrieve_inst_usertypes {
2212: my ($udom) = @_;
2213: my (%returnhash,@order);
1.989 raeburn 2214: my %domdefs = &Apache::lonnet::get_domain_defaults($udom);
2215: if ((ref($domdefs{'inststatustypes'}) eq 'HASH') &&
2216: (ref($domdefs{'inststatusorder'}) eq 'ARRAY')) {
1.1256 raeburn 2217: return ($domdefs{'inststatustypes'},$domdefs{'inststatusorder'});
1.989 raeburn 2218: } else {
2219: if (defined(&domain($udom,'primary'))) {
2220: my $uhome=&domain($udom,'primary');
2221: my $rep=&reply("inst_usertypes:$udom",$uhome);
2222: if ($rep =~ /^(con_lost|error|no_such_host|refused)/) {
1.1256 raeburn 2223: &logthis("retrieve_inst_usertypes failed - $rep returned from $uhome in domain: $udom");
1.989 raeburn 2224: return (\%returnhash,\@order);
2225: }
2226: my ($hashitems,$orderitems) = split(/:/,$rep);
2227: my @pairs=split(/\&/,$hashitems);
2228: foreach my $item (@pairs) {
2229: my ($key,$value)=split(/=/,$item,2);
2230: $key = &unescape($key);
2231: next if ($key =~ /^error: 2 /);
2232: $returnhash{$key}=&thaw_unescape($value);
2233: }
2234: my @esc_order = split(/\&/,$orderitems);
2235: foreach my $item (@esc_order) {
2236: push(@order,&unescape($item));
2237: }
2238: } else {
1.1256 raeburn 2239: &logthis("retrieve_inst_usertypes failed - no primary domain server for $udom");
1.837 raeburn 2240: }
1.1256 raeburn 2241: return (\%returnhash,\@order);
1.837 raeburn 2242: }
2243: }
2244:
1.868 raeburn 2245: sub is_domainimage {
2246: my ($url) = @_;
1.1306 raeburn 2247: if ($url=~m-^/+res/+($match_domain)/+\1\-domainconfig/+(img|logo|domlogo)/+[^/]-) {
1.868 raeburn 2248: if (&domain($1) ne '') {
2249: return '1';
2250: }
2251: }
2252: return;
2253: }
2254:
1.899 raeburn 2255: sub inst_directory_query {
2256: my ($srch) = @_;
2257: my $udom = $srch->{'srchdomain'};
2258: my %results;
2259: my $homeserver = &domain($udom,'primary');
1.909 raeburn 2260: my $outcome;
1.899 raeburn 2261: if ($homeserver ne '') {
1.1357 raeburn 2262: unless ($homeserver eq $perlvar{'lonHostID'}) {
2263: if ($srch->{'srchby'} eq 'email') {
2264: my $lcrev = &get_server_loncaparev(undef,$homeserver);
2265: my ($major,$minor) = ($lcrev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?$/);
2266: if (($major eq '' && $minor eq '') || ($major < 2) ||
2267: (($major == 2) && ($minor < 12))) {
2268: return;
2269: }
2270: }
2271: }
1.904 albertel 2272: my $queryid=&reply("querysend:instdirsearch:".
2273: &escape($srch->{'srchby'}).':'.
2274: &escape($srch->{'srchterm'}).':'.
2275: &escape($srch->{'srchtype'}),$homeserver);
2276: my $host=&hostname($homeserver);
2277: if ($queryid !~/^\Q$host\E\_/) {
1.1343 raeburn 2278: &logthis('institutional directory search invalid queryid: '.$queryid.' for host: '.$homeserver.' in domain '.$udom);
1.904 albertel 2279: return;
2280: }
2281: my $response = &get_query_reply($queryid);
2282: my $maxtries = 5;
2283: my $tries = 1;
2284: while (($response=~/^timeout/) && ($tries < $maxtries)) {
2285: $response = &get_query_reply($queryid);
2286: $tries ++;
2287: }
2288:
2289: if (!&error($response) && $response ne 'refused') {
1.909 raeburn 2290: if ($response eq 'unavailable') {
2291: $outcome = $response;
2292: } else {
2293: $outcome = 'ok';
2294: my @matches = split(/\n/,$response);
2295: foreach my $match (@matches) {
2296: my ($key,$value) = split(/=/,$match);
2297: $results{&unescape($key).':'.$udom} = &thaw_unescape($value);
2298: }
1.899 raeburn 2299: }
2300: }
2301: }
1.909 raeburn 2302: return ($outcome,%results);
1.899 raeburn 2303: }
2304:
2305: sub usersearch {
2306: my ($srch) = @_;
2307: my $dom = $srch->{'srchdomain'};
2308: my %results;
2309: my %libserv = &all_library();
2310: my $query = 'usersearch';
2311: foreach my $tryserver (keys(%libserv)) {
2312: if (&host_domain($tryserver) eq $dom) {
1.1357 raeburn 2313: unless ($tryserver eq $perlvar{'lonHostID'}) {
2314: if ($srch->{'srchby'} eq 'email') {
2315: my $lcrev = &get_server_loncaparev(undef,$tryserver);
2316: my ($major,$minor) = ($lcrev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?$/);
2317: next if (($major eq '' && $minor eq '') || ($major < 2) ||
2318: (($major == 2) && ($minor < 12)));
2319: }
2320: }
1.899 raeburn 2321: my $host=&hostname($tryserver);
2322: my $queryid=
1.911 raeburn 2323: &reply("querysend:".&escape($query).':'.
2324: &escape($srch->{'srchby'}).':'.
1.899 raeburn 2325: &escape($srch->{'srchtype'}).':'.
2326: &escape($srch->{'srchterm'}),$tryserver);
2327: if ($queryid !~/^\Q$host\E\_/) {
2328: &logthis('usersearch: invalid queryid: '.$queryid.' for host: '.$host.'in domain '.$dom.' and server: '.$tryserver);
1.902 raeburn 2329: next;
1.899 raeburn 2330: }
2331: my $reply = &get_query_reply($queryid);
2332: my $maxtries = 1;
2333: my $tries = 1;
2334: while (($reply=~/^timeout/) && ($tries < $maxtries)) {
2335: $reply = &get_query_reply($queryid);
2336: $tries ++;
2337: }
2338: if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) {
2339: &logthis('usersrch error: '.$reply.' for '.$dom.' - searching for : '.$srch->{'srchterm'}.' by '.$srch->{'srchby'}.' ('.$srch->{'srchtype'}.') - maxtries: '.$maxtries.' tries: '.$tries);
2340: } else {
1.911 raeburn 2341: my @matches;
2342: if ($reply =~ /\n/) {
2343: @matches = split(/\n/,$reply);
2344: } else {
2345: @matches = split(/\&/,$reply);
2346: }
1.899 raeburn 2347: foreach my $match (@matches) {
2348: my ($uname,$udom,%userhash);
1.911 raeburn 2349: foreach my $entry (split(/:/,$match)) {
2350: my ($key,$value) =
2351: map {&unescape($_);} split(/=/,$entry);
1.899 raeburn 2352: $userhash{$key} = $value;
2353: if ($key eq 'username') {
2354: $uname = $value;
2355: } elsif ($key eq 'domain') {
2356: $udom = $value;
1.911 raeburn 2357: }
1.899 raeburn 2358: }
2359: $results{$uname.':'.$udom} = \%userhash;
2360: }
2361: }
2362: }
2363: }
2364: return %results;
2365: }
2366:
1.912 raeburn 2367: sub get_instuser {
2368: my ($udom,$uname,$id) = @_;
2369: my $homeserver = &domain($udom,'primary');
2370: my ($outcome,%results);
2371: if ($homeserver ne '') {
2372: my $queryid=&reply("querysend:getinstuser:".&escape($uname).':'.
2373: &escape($id).':'.&escape($udom),$homeserver);
2374: my $host=&hostname($homeserver);
2375: if ($queryid !~/^\Q$host\E\_/) {
2376: &logthis('get_instuser invalid queryid: '.$queryid.' for host: '.$homeserver.'in domain '.$udom);
2377: return;
2378: }
2379: my $response = &get_query_reply($queryid);
2380: my $maxtries = 5;
2381: my $tries = 1;
2382: while (($response=~/^timeout/) && ($tries < $maxtries)) {
2383: $response = &get_query_reply($queryid);
2384: $tries ++;
2385: }
2386: if (!&error($response) && $response ne 'refused') {
2387: if ($response eq 'unavailable') {
2388: $outcome = $response;
2389: } else {
2390: $outcome = 'ok';
2391: my @matches = split(/\n/,$response);
2392: foreach my $match (@matches) {
2393: my ($key,$value) = split(/=/,$match);
2394: $results{&unescape($key)} = &thaw_unescape($value);
2395: }
2396: }
2397: }
2398: }
2399: my %userinfo;
2400: if (ref($results{$uname}) eq 'HASH') {
2401: %userinfo = %{$results{$uname}};
2402: }
2403: return ($outcome,%userinfo);
2404: }
2405:
1.1290 raeburn 2406: sub get_multiple_instusers {
2407: my ($udom,$users,$caller) = @_;
2408: my ($outcome,$results);
2409: if (ref($users) eq 'HASH') {
2410: my $count = keys(%{$users});
2411: my $requested = &freeze_escape($users);
2412: my $homeserver = &domain($udom,'primary');
2413: if ($homeserver ne '') {
2414: my $queryid=&reply('querysend:getmultinstusers:::'.$caller.'='.$requested,$homeserver);
2415: my $host=&hostname($homeserver);
2416: if ($queryid !~/^\Q$host\E\_/) {
2417: &logthis('get_multiple_instusers invalid queryid: '.$queryid.
2418: ' for host: '.$homeserver.'in domain '.$udom);
2419: return ($outcome,$results);
2420: }
2421: my $response = &get_query_reply($queryid);
2422: my $maxtries = 5;
2423: if ($count > 100) {
2424: $maxtries = 1+int($count/20);
2425: }
2426: my $tries = 1;
2427: while (($response=~/^timeout/) && ($tries <= $maxtries)) {
2428: $response = &get_query_reply($queryid);
2429: $tries ++;
2430: }
2431: if ($response eq '') {
2432: $results = {};
2433: foreach my $key (keys(%{$users})) {
2434: my ($uname,$id);
2435: if ($caller eq 'id') {
2436: $id = $key;
2437: } else {
2438: $uname = $key;
2439: }
2440: my ($resp,%info) = &get_instuser($udom,$uname,$id);
1.1291 raeburn 2441: $outcome = $resp;
1.1290 raeburn 2442: if ($resp eq 'ok') {
2443: %{$results} = (%{$results}, %info);
2444: } else {
2445: last;
2446: }
2447: }
2448: } elsif(!&error($response) && ($response ne 'refused')) {
2449: if (($response eq 'unavailable') || ($response eq 'invalid') || ($response eq 'timeout')) {
2450: $outcome = $response;
2451: } else {
1.1291 raeburn 2452: ($outcome,my $userdata) = split(/=/,$response,2);
1.1290 raeburn 2453: if ($outcome eq 'ok') {
2454: $results = &thaw_unescape($userdata);
2455: }
2456: }
2457: }
2458: }
2459: }
2460: return ($outcome,$results);
2461: }
2462:
1.912 raeburn 2463: sub inst_rulecheck {
1.923 raeburn 2464: my ($udom,$uname,$id,$item,$rules) = @_;
1.912 raeburn 2465: my %returnhash;
2466: if ($udom ne '') {
2467: if (ref($rules) eq 'ARRAY') {
2468: @{$rules} = map {&escape($_);} (@{$rules});
2469: my $rulestr = join(':',@{$rules});
2470: my $homeserver=&domain($udom,'primary');
2471: if (($homeserver ne '') && ($homeserver ne 'no_host')) {
1.923 raeburn 2472: my $response;
2473: if ($item eq 'username') {
2474: $response=&unescape(&reply('instrulecheck:'.&escape($udom).
2475: ':'.&escape($uname).':'.$rulestr,
1.912 raeburn 2476: $homeserver));
1.923 raeburn 2477: } elsif ($item eq 'id') {
2478: $response=&unescape(&reply('instidrulecheck:'.&escape($udom).
2479: ':'.&escape($id).':'.$rulestr,
2480: $homeserver));
1.945 raeburn 2481: } elsif ($item eq 'selfcreate') {
2482: $response=&unescape(&reply('instselfcreatecheck:'.
1.943 raeburn 2483: &escape($udom).':'.&escape($uname).
2484: ':'.$rulestr,$homeserver));
1.923 raeburn 2485: }
1.912 raeburn 2486: if ($response ne 'refused') {
2487: my @pairs=split(/\&/,$response);
2488: foreach my $item (@pairs) {
2489: my ($key,$value)=split(/=/,$item,2);
2490: $key = &unescape($key);
2491: next if ($key =~ /^error: 2 /);
2492: $returnhash{$key}=&thaw_unescape($value);
2493: }
2494: }
2495: }
2496: }
2497: }
2498: return %returnhash;
2499: }
2500:
2501: sub inst_userrules {
1.923 raeburn 2502: my ($udom,$check) = @_;
1.912 raeburn 2503: my (%ruleshash,@ruleorder);
2504: if ($udom ne '') {
2505: my $homeserver=&domain($udom,'primary');
2506: if (($homeserver ne '') && ($homeserver ne 'no_host')) {
1.923 raeburn 2507: my $response;
2508: if ($check eq 'id') {
2509: $response=&reply('instidrules:'.&escape($udom),
1.912 raeburn 2510: $homeserver);
1.943 raeburn 2511: } elsif ($check eq 'email') {
2512: $response=&reply('instemailrules:'.&escape($udom),
2513: $homeserver);
1.923 raeburn 2514: } else {
2515: $response=&reply('instuserrules:'.&escape($udom),
2516: $homeserver);
2517: }
1.912 raeburn 2518: if (($response ne 'refused') && ($response ne 'error') &&
1.923 raeburn 2519: ($response ne 'unknown_cmd') &&
1.912 raeburn 2520: ($response ne 'no_such_host')) {
2521: my ($hashitems,$orderitems) = split(/:/,$response);
2522: my @pairs=split(/\&/,$hashitems);
2523: foreach my $item (@pairs) {
2524: my ($key,$value)=split(/=/,$item,2);
2525: $key = &unescape($key);
2526: next if ($key =~ /^error: 2 /);
2527: $ruleshash{$key}=&thaw_unescape($value);
2528: }
2529: my @esc_order = split(/\&/,$orderitems);
2530: foreach my $item (@esc_order) {
2531: push(@ruleorder,&unescape($item));
2532: }
2533: }
2534: }
2535: }
2536: return (\%ruleshash,\@ruleorder);
2537: }
2538:
1.976 raeburn 2539: # ------------- Get Authentication, Language and User Tools Defaults for Domain
1.943 raeburn 2540:
2541: sub get_domain_defaults {
1.1240 raeburn 2542: my ($domain,$ignore_cache) = @_;
1.1242 raeburn 2543: return if (($domain eq '') || ($domain eq 'public'));
1.943 raeburn 2544: my $cachetime = 60*60*24;
1.1240 raeburn 2545: unless ($ignore_cache) {
2546: my ($result,$cached)=&is_cached_new('domdefaults',$domain);
2547: if (defined($cached)) {
2548: if (ref($result) eq 'HASH') {
2549: return %{$result};
2550: }
1.943 raeburn 2551: }
2552: }
2553: my %domdefaults;
2554: my %domconfig =
1.989 raeburn 2555: &Apache::lonnet::get_dom('configuration',['defaults','quotas',
1.1047 raeburn 2556: 'requestcourses','inststatus',
1.1183 raeburn 2557: 'coursedefaults','usersessions',
1.1258 raeburn 2558: 'requestauthor','selfenrollment',
1.1320 raeburn 2559: 'coursecategories','ssl','autoenroll',
1.1332 raeburn 2560: 'trust','helpsettings'],$domain);
1.1305 raeburn 2561: my @coursetypes = ('official','unofficial','community','textbook','placement');
1.943 raeburn 2562: if (ref($domconfig{'defaults'}) eq 'HASH') {
2563: $domdefaults{'lang_def'} = $domconfig{'defaults'}{'lang_def'};
2564: $domdefaults{'auth_def'} = $domconfig{'defaults'}{'auth_def'};
2565: $domdefaults{'auth_arg_def'} = $domconfig{'defaults'}{'auth_arg_def'};
1.982 raeburn 2566: $domdefaults{'timezone_def'} = $domconfig{'defaults'}{'timezone_def'};
1.985 raeburn 2567: $domdefaults{'datelocale_def'} = $domconfig{'defaults'}{'datelocale_def'};
1.1147 raeburn 2568: $domdefaults{'portal_def'} = $domconfig{'defaults'}{'portal_def'};
1.1340 raeburn 2569: $domdefaults{'intauth_cost'} = $domconfig{'defaults'}{'intauth_cost'};
2570: $domdefaults{'intauth_switch'} = $domconfig{'defaults'}{'intauth_switch'};
2571: $domdefaults{'intauth_check'} = $domconfig{'defaults'}{'intauth_check'};
1.943 raeburn 2572: } else {
2573: $domdefaults{'lang_def'} = &domain($domain,'lang_def');
2574: $domdefaults{'auth_def'} = &domain($domain,'auth_def');
2575: $domdefaults{'auth_arg_def'} = &domain($domain,'auth_arg_def');
2576: }
1.976 raeburn 2577: if (ref($domconfig{'quotas'}) eq 'HASH') {
2578: if (ref($domconfig{'quotas'}{'defaultquota'}) eq 'HASH') {
2579: $domdefaults{'defaultquota'} = $domconfig{'quotas'}{'defaultquota'};
2580: } else {
2581: $domdefaults{'defaultquota'} = $domconfig{'quotas'};
1.1229 raeburn 2582: }
1.1177 raeburn 2583: my @usertools = ('aboutme','blog','webdav','portfolio');
1.976 raeburn 2584: foreach my $item (@usertools) {
2585: if (ref($domconfig{'quotas'}{$item}) eq 'HASH') {
2586: $domdefaults{$item} = $domconfig{'quotas'}{$item};
2587: }
2588: }
1.1229 raeburn 2589: if (ref($domconfig{'quotas'}{'authorquota'}) eq 'HASH') {
2590: $domdefaults{'authorquota'} = $domconfig{'quotas'}{'authorquota'};
2591: }
1.976 raeburn 2592: }
1.985 raeburn 2593: if (ref($domconfig{'requestcourses'}) eq 'HASH') {
1.1305 raeburn 2594: foreach my $item ('official','unofficial','community','textbook','placement') {
1.985 raeburn 2595: $domdefaults{$item} = $domconfig{'requestcourses'}{$item};
2596: }
2597: }
1.1183 raeburn 2598: if (ref($domconfig{'requestauthor'}) eq 'HASH') {
2599: $domdefaults{'requestauthor'} = $domconfig{'requestauthor'};
2600: }
1.989 raeburn 2601: if (ref($domconfig{'inststatus'}) eq 'HASH') {
1.1256 raeburn 2602: foreach my $item ('inststatustypes','inststatusorder','inststatusguest') {
1.989 raeburn 2603: $domdefaults{$item} = $domconfig{'inststatus'}{$item};
2604: }
2605: }
1.1047 raeburn 2606: if (ref($domconfig{'coursedefaults'}) eq 'HASH') {
1.1230 raeburn 2607: $domdefaults{'canuse_pdfforms'} = $domconfig{'coursedefaults'}{'canuse_pdfforms'};
1.1277 raeburn 2608: $domdefaults{'usejsme'} = $domconfig{'coursedefaults'}{'usejsme'};
2609: $domdefaults{'uselcmath'} = $domconfig{'coursedefaults'}{'uselcmath'};
2610: if (ref($domconfig{'coursedefaults'}{'postsubmit'}) eq 'HASH') {
2611: $domdefaults{'postsubmit'} = $domconfig{'coursedefaults'}{'postsubmit'}{'client'};
2612: }
1.1254 raeburn 2613: foreach my $type (@coursetypes) {
2614: if (ref($domconfig{'coursedefaults'}{'coursecredits'}) eq 'HASH') {
2615: unless ($type eq 'community') {
2616: $domdefaults{$type.'credits'} = $domconfig{'coursedefaults'}{'coursecredits'}{$type};
2617: }
2618: }
2619: if (ref($domconfig{'coursedefaults'}{'uploadquota'}) eq 'HASH') {
2620: $domdefaults{$type.'quota'} = $domconfig{'coursedefaults'}{'uploadquota'}{$type};
2621: }
1.1277 raeburn 2622: if ($domdefaults{'postsubmit'} eq 'on') {
2623: if (ref($domconfig{'coursedefaults'}{'postsubmit'}{'timeout'}) eq 'HASH') {
2624: $domdefaults{$type.'postsubtimeout'} =
2625: $domconfig{'coursedefaults'}{'postsubmit'}{'timeout'}{$type};
2626: }
2627: }
1.1230 raeburn 2628: }
1.1286 raeburn 2629: if (ref($domconfig{'coursedefaults'}{'canclone'}) eq 'HASH') {
2630: if (ref($domconfig{'coursedefaults'}{'canclone'}{'instcode'}) eq 'ARRAY') {
2631: my @clonecodes = @{$domconfig{'coursedefaults'}{'canclone'}{'instcode'}};
2632: if (@clonecodes) {
2633: $domdefaults{'canclone'} = join('+',@clonecodes);
2634: }
2635: }
2636: } elsif ($domconfig{'coursedefaults'}{'canclone'}) {
2637: $domdefaults{'canclone'}=$domconfig{'coursedefaults'}{'canclone'};
2638: }
1.1356 raeburn 2639: if ($domconfig{'coursedefaults'}{'texengine'}) {
2640: $domdefaults{'texengine'} = $domconfig{'coursedefaults'}{'texengine'};
2641: }
1.1047 raeburn 2642: }
1.1073 raeburn 2643: if (ref($domconfig{'usersessions'}) eq 'HASH') {
2644: if (ref($domconfig{'usersessions'}{'remote'}) eq 'HASH') {
2645: $domdefaults{'remotesessions'} = $domconfig{'usersessions'}{'remote'};
2646: }
2647: if (ref($domconfig{'usersessions'}{'hosted'}) eq 'HASH') {
2648: $domdefaults{'hostedsessions'} = $domconfig{'usersessions'}{'hosted'};
2649: }
1.1279 raeburn 2650: if (ref($domconfig{'usersessions'}{'offloadnow'}) eq 'HASH') {
2651: $domdefaults{'offloadnow'} = $domconfig{'usersessions'}{'offloadnow'};
2652: }
1.1073 raeburn 2653: }
1.1254 raeburn 2654: if (ref($domconfig{'selfenrollment'}) eq 'HASH') {
2655: if (ref($domconfig{'selfenrollment'}{'admin'}) eq 'HASH') {
2656: my @settings = ('types','registered','enroll_dates','access_dates','section',
2657: 'approval','limit');
2658: foreach my $type (@coursetypes) {
2659: if (ref($domconfig{'selfenrollment'}{'admin'}{$type}) eq 'HASH') {
2660: my @mgrdc = ();
2661: foreach my $item (@settings) {
2662: if ($domconfig{'selfenrollment'}{'admin'}{$type}{$item} eq '0') {
2663: push(@mgrdc,$item);
2664: }
2665: }
2666: if (@mgrdc) {
2667: $domdefaults{$type.'selfenrolladmdc'} = join(',',@mgrdc);
2668: }
2669: }
2670: }
2671: }
2672: if (ref($domconfig{'selfenrollment'}{'default'}) eq 'HASH') {
2673: foreach my $type (@coursetypes) {
2674: if (ref($domconfig{'selfenrollment'}{'default'}{$type}) eq 'HASH') {
2675: foreach my $item (keys(%{$domconfig{'selfenrollment'}{'default'}{$type}})) {
2676: $domdefaults{$type.'selfenroll'.$item} = $domconfig{'selfenrollment'}{'default'}{$type}{$item};
2677: }
2678: }
2679: }
2680: }
2681: }
1.1258 raeburn 2682: if (ref($domconfig{'coursecategories'}) eq 'HASH') {
2683: $domdefaults{'catauth'} = 'std';
2684: $domdefaults{'catunauth'} = 'std';
1.1413 ! raeburn 2685: if ($domconfig{'coursecategories'}{'auth'}) {
1.1258 raeburn 2686: $domdefaults{'catauth'} = $domconfig{'coursecategories'}{'auth'};
2687: }
2688: if ($domconfig{'coursecategories'}{'unauth'}) {
2689: $domdefaults{'catunauth'} = $domconfig{'coursecategories'}{'unauth'};
2690: }
2691: }
1.1315 raeburn 2692: if (ref($domconfig{'ssl'}) eq 'HASH') {
2693: if (ref($domconfig{'ssl'}{'replication'}) eq 'HASH') {
2694: $domdefaults{'replication'} = $domconfig{'ssl'}{'replication'};
2695: }
1.1338 raeburn 2696: if (ref($domconfig{'ssl'}{'connto'}) eq 'HASH') {
2697: $domdefaults{'connect'} = $domconfig{'ssl'}{'connto'};
2698: }
2699: if (ref($domconfig{'ssl'}{'connfrom'}) eq 'HASH') {
2700: $domdefaults{'connect'} = $domconfig{'ssl'}{'connfrom'};
1.1315 raeburn 2701: }
2702: }
1.1320 raeburn 2703: if (ref($domconfig{'trust'}) eq 'HASH') {
2704: my @prefixes = qw(content shared enroll othcoau coaurem domroles catalog reqcrs msg);
2705: foreach my $prefix (@prefixes) {
2706: if (ref($domconfig{'trust'}{$prefix}) eq 'HASH') {
2707: $domdefaults{'trust'.$prefix} = $domconfig{'trust'}{$prefix};
2708: }
2709: }
2710: }
1.1314 raeburn 2711: if (ref($domconfig{'autoenroll'}) eq 'HASH') {
2712: $domdefaults{'autofailsafe'} = $domconfig{'autoenroll'}{'autofailsafe'};
2713: }
1.1332 raeburn 2714: if (ref($domconfig{'helpsettings'}) eq 'HASH') {
2715: $domdefaults{'submitbugs'} = $domconfig{'helpsettings'}{'submitbugs'};
2716: if (ref($domconfig{'helpsettings'}{'adhoc'}) eq 'HASH') {
2717: $domdefaults{'adhocroles'} = $domconfig{'helpsettings'}{'adhoc'};
2718: }
2719: }
1.1219 raeburn 2720: &do_cache_new('domdefaults',$domain,\%domdefaults,$cachetime);
1.943 raeburn 2721: return %domdefaults;
2722: }
2723:
1.1412 raeburn 2724: sub get_dom_cats {
2725: my ($dom) = @_;
2726: return unless (&domain($dom));
2727: my ($cats,$cached)=&is_cached_new('cats',$dom);
2728: unless (defined($cached)) {
2729: my %domconfig = &get_dom('configuration',['coursecategories'],$dom);
2730: if (ref($domconfig{'coursecategories'}) eq 'HASH') {
2731: if (ref($domconfig{'coursecategories'}{'cats'}) eq 'HASH') {
2732: %{$cats} = %{$domconfig{'coursecategories'}{'cats'}};
2733: } else {
2734: $cats = {};
2735: }
2736: } else {
2737: $cats = {};
2738: }
2739: &Apache::lonnet::do_cache_new('cats',$dom,$cats,3600);
2740: }
1.1413 ! raeburn 2741: return $cats;
! 2742: }
! 2743:
! 2744: sub get_dom_instcats {
! 2745: my ($dom) = @_;
! 2746: return unless (&domain($dom));
! 2747: my ($instcats,$cached)=&is_cached_new('instcats',$dom);
! 2748: unless (defined($cached)) {
! 2749: my (%coursecodes,%codes,@codetitles,%cat_titles,%cat_order);
! 2750: my $totcodes = &retrieve_instcodes(\%coursecodes,$dom);
! 2751: if ($totcodes > 0) {
! 2752: my $caller = 'global';
! 2753: if (&auto_instcode_format($caller,$dom,\%coursecodes,\%codes,
! 2754: \@codetitles,\%cat_titles,\%cat_order) eq 'ok') {
! 2755: $instcats = {
! 2756: codes => \%codes,
! 2757: codetitles => \@codetitles,
! 2758: cat_titles => \%cat_titles,
! 2759: cat_order => \%cat_order,
! 2760: };
! 2761: &do_cache_new('instcats',$dom,$instcats,3600);
! 2762: }
! 2763: }
! 2764: }
! 2765: return $instcats;
! 2766: }
! 2767:
! 2768: sub retrieve_instcodes {
! 2769: my ($coursecodes,$dom) = @_;
! 2770: my $totcodes;
! 2771: my %courses = &courseiddump($dom,'.',1,'.','.','.',undef,undef,'Course');
! 2772: foreach my $course (keys(%courses)) {
! 2773: if (ref($courses{$course}) eq 'HASH') {
! 2774: if ($courses{$course}{'inst_code'} ne '') {
! 2775: $$coursecodes{$course} = $courses{$course}{'inst_code'};
! 2776: $totcodes ++;
! 2777: }
! 2778: }
! 2779: }
! 2780: return $totcodes;
1.1412 raeburn 2781: }
2782:
1.1311 raeburn 2783: sub course_portal_url {
2784: my ($cnum,$cdom) = @_;
2785: my $chome = &homeserver($cnum,$cdom);
2786: my $hostname = &hostname($chome);
2787: my $protocol = $protocol{$chome};
2788: $protocol = 'http' if ($protocol ne 'https');
2789: my %domdefaults = &get_domain_defaults($cdom);
2790: my $firsturl;
2791: if ($domdefaults{'portal_def'}) {
2792: $firsturl = $domdefaults{'portal_def'};
2793: } else {
2794: $firsturl = $protocol.'://'.$hostname;
2795: }
2796: return $firsturl;
2797: }
2798:
1.1407 raeburn 2799: # --------------------------------------------- Get domain config for passwords
2800:
2801: sub get_passwdconf {
2802: my ($dom) = @_;
2803: my (%passwdconf,$gotconf,$lookup);
2804: my ($result,$cached)=&is_cached_new('passwdconf',$dom);
2805: if (defined($cached)) {
2806: if (ref($result) eq 'HASH') {
2807: %passwdconf = %{$result};
2808: $gotconf = 1;
2809: }
2810: }
2811: unless ($gotconf) {
2812: my %domconfig = &get_dom('configuration',['passwords'],$dom);
2813: if (ref($domconfig{'passwords'}) eq 'HASH') {
2814: %passwdconf = %{$domconfig{'passwords'}};
2815: }
2816: my $cachetime = 24*60*60;
2817: &do_cache_new('passwdconf',$dom,\%passwdconf,$cachetime);
2818: }
2819: return %passwdconf;
2820: }
2821:
1.344 www 2822: # --------------------------------------------------- Assign a key to a student
2823:
2824: sub assign_access_key {
1.364 www 2825: #
2826: # a valid key looks like uname:udom#comments
2827: # comments are being appended
2828: #
1.498 www 2829: my ($ckey,$kdom,$knum,$cdom,$cnum,$udom,$uname,$logentry)=@_;
2830: $kdom=
1.620 albertel 2831: $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($kdom));
1.498 www 2832: $knum=
1.620 albertel 2833: $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($knum));
1.344 www 2834: $cdom=
1.620 albertel 2835: $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom));
1.344 www 2836: $cnum=
1.620 albertel 2837: $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum));
2838: $udom=$env{'user.name'} unless (defined($udom));
2839: $uname=$env{'user.domain'} unless (defined($uname));
1.498 www 2840: my %existing=&get('accesskeys',[$ckey],$kdom,$knum);
1.364 www 2841: if (($existing{$ckey}=~/^\#(.*)$/) || # - new key
1.479 albertel 2842: ($existing{$ckey}=~/^\Q$uname\E\:\Q$udom\E\#(.*)$/)) {
1.364 www 2843: # assigned to this person
2844: # - this should not happen,
1.345 www 2845: # unless something went wrong
2846: # the first time around
2847: # ready to assign
1.364 www 2848: $logentry=$1.'; '.$logentry;
1.496 www 2849: if (&put('accesskeys',{$ckey=>$uname.':'.$udom.'#'.$logentry},
1.498 www 2850: $kdom,$knum) eq 'ok') {
1.345 www 2851: # key now belongs to user
1.346 www 2852: my $envkey='key.'.$cdom.'_'.$cnum;
1.345 www 2853: if (&put('environment',{$envkey => $ckey}) eq 'ok') {
1.949 raeburn 2854: &appenv({'environment.'.$envkey => $ckey});
1.345 www 2855: return 'ok';
2856: } else {
2857: return
2858: 'error: Count not permanently assign key, will need to be re-entered later.';
2859: }
2860: } else {
2861: return 'error: Could not assign key, try again later.';
2862: }
1.364 www 2863: } elsif (!$existing{$ckey}) {
1.345 www 2864: # the key does not exist
2865: return 'error: The key does not exist';
2866: } else {
2867: # the key is somebody else's
2868: return 'error: The key is already in use';
2869: }
1.344 www 2870: }
2871:
1.364 www 2872: # ------------------------------------------ put an additional comment on a key
2873:
2874: sub comment_access_key {
2875: #
2876: # a valid key looks like uname:udom#comments
2877: # comments are being appended
2878: #
2879: my ($ckey,$cdom,$cnum,$logentry)=@_;
2880: $cdom=
1.620 albertel 2881: $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom));
1.364 www 2882: $cnum=
1.620 albertel 2883: $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum));
1.364 www 2884: my %existing=&get('accesskeys',[$ckey],$cdom,$cnum);
2885: if ($existing{$ckey}) {
2886: $existing{$ckey}.='; '.$logentry;
2887: # ready to assign
1.367 www 2888: if (&put('accesskeys',{$ckey=>$existing{$ckey}},
1.364 www 2889: $cdom,$cnum) eq 'ok') {
2890: return 'ok';
2891: } else {
2892: return 'error: Count not store comment.';
2893: }
2894: } else {
2895: # the key does not exist
2896: return 'error: The key does not exist';
2897: }
2898: }
2899:
1.344 www 2900: # ------------------------------------------------------ Generate a set of keys
2901:
2902: sub generate_access_keys {
1.364 www 2903: my ($number,$cdom,$cnum,$logentry)=@_;
1.344 www 2904: $cdom=
1.620 albertel 2905: $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom));
1.344 www 2906: $cnum=
1.620 albertel 2907: $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum));
1.361 www 2908: unless (&allowed('mky',$cdom)) { return 0; }
1.344 www 2909: unless (($cdom) && ($cnum)) { return 0; }
2910: if ($number>10000) { return 0; }
2911: sleep(2); # make sure don't get same seed twice
2912: srand(time()^($$+($$<<15))); # from "Programming Perl"
2913: my $total=0;
2914: for (my $i=1;$i<=$number;$i++) {
2915: my $newkey=sprintf("%lx",int(100000*rand)).'-'.
2916: sprintf("%lx",int(100000*rand)).'-'.
2917: sprintf("%lx",int(100000*rand));
2918: $newkey=~s/1/g/g; # folks mix up 1 and l
2919: $newkey=~s/0/h/g; # and also 0 and O
2920: my %existing=&get('accesskeys',[$newkey],$cdom,$cnum);
2921: if ($existing{$newkey}) {
2922: $i--;
2923: } else {
1.364 www 2924: if (&put('accesskeys',
2925: { $newkey => '# generated '.localtime().
1.620 albertel 2926: ' by '.$env{'user.name'}.'@'.$env{'user.domain'}.
1.364 www 2927: '; '.$logentry },
2928: $cdom,$cnum) eq 'ok') {
1.344 www 2929: $total++;
2930: }
2931: }
2932: }
1.620 albertel 2933: &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},
1.344 www 2934: 'Generated '.$total.' keys for '.$cnum.' at '.$cdom);
2935: return $total;
2936: }
2937:
2938: # ------------------------------------------------------- Validate an accesskey
2939:
2940: sub validate_access_key {
2941: my ($ckey,$cdom,$cnum,$udom,$uname)=@_;
2942: $cdom=
1.620 albertel 2943: $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom));
1.344 www 2944: $cnum=
1.620 albertel 2945: $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum));
2946: $udom=$env{'user.domain'} unless (defined($udom));
2947: $uname=$env{'user.name'} unless (defined($uname));
1.345 www 2948: my %existing=&get('accesskeys',[$ckey],$cdom,$cnum);
1.479 albertel 2949: return ($existing{$ckey}=~/^\Q$uname\E\:\Q$udom\E\#/);
1.70 www 2950: }
2951:
2952: # ------------------------------------- Find the section of student in a course
1.652 albertel 2953: sub devalidate_getsection_cache {
2954: my ($udom,$unam,$courseid)=@_;
2955: my $hashid="$udom:$unam:$courseid";
2956: &devalidate_cache_new('getsection',$hashid);
2957: }
1.298 matthew 2958:
1.815 albertel 2959: sub courseid_to_courseurl {
2960: my ($courseid) = @_;
2961: #already url style courseid
2962: return $courseid if ($courseid =~ m{^/});
2963:
2964: if (exists($env{'course.'.$courseid.'.num'})) {
2965: my $cnum = $env{'course.'.$courseid.'.num'};
2966: my $cdom = $env{'course.'.$courseid.'.domain'};
2967: return "/$cdom/$cnum";
2968: }
2969:
2970: my %courseinfo=&Apache::lonnet::coursedescription($courseid);
2971: if (exists($courseinfo{'num'})) {
2972: return "/$courseinfo{'domain'}/$courseinfo{'num'}";
2973: }
2974:
2975: return undef;
2976: }
2977:
1.298 matthew 2978: sub getsection {
2979: my ($udom,$unam,$courseid)=@_;
1.599 albertel 2980: my $cachetime=1800;
1.551 albertel 2981:
2982: my $hashid="$udom:$unam:$courseid";
1.599 albertel 2983: my ($result,$cached)=&is_cached_new('getsection',$hashid);
1.551 albertel 2984: if (defined($cached)) { return $result; }
2985:
1.298 matthew 2986: my %Pending;
2987: my %Expired;
2988: #
2989: # Each role can either have not started yet (pending), be active,
2990: # or have expired.
2991: #
2992: # If there is an active role, we are done.
2993: #
2994: # If there is more than one role which has not started yet,
2995: # choose the one which will start sooner
2996: # If there is one role which has not started yet, return it.
2997: #
2998: # If there is more than one expired role, choose the one which ended last.
2999: # If there is a role which has expired, return it.
3000: #
1.815 albertel 3001: $courseid = &courseid_to_courseurl($courseid);
1.1166 raeburn 3002: my %roleshash = &dump('roles',$udom,$unam,$courseid);
1.817 raeburn 3003: foreach my $key (keys(%roleshash)) {
1.479 albertel 3004: next if ($key !~/^\Q$courseid\E(?:\/)*(\w+)*\_st$/);
1.298 matthew 3005: my $section=$1;
3006: if ($key eq $courseid.'_st') { $section=''; }
1.817 raeburn 3007: my ($dummy,$end,$start)=split(/\_/,&unescape($roleshash{$key}));
1.298 matthew 3008: my $now=time;
1.548 albertel 3009: if (defined($end) && $end && ($now > $end)) {
1.298 matthew 3010: $Expired{$end}=$section;
3011: next;
3012: }
1.548 albertel 3013: if (defined($start) && $start && ($now < $start)) {
1.298 matthew 3014: $Pending{$start}=$section;
3015: next;
3016: }
1.599 albertel 3017: return &do_cache_new('getsection',$hashid,$section,$cachetime);
1.298 matthew 3018: }
3019: #
3020: # Presumedly there will be few matching roles from the above
3021: # loop and the sorting time will be negligible.
3022: if (scalar(keys(%Pending))) {
3023: my ($time) = sort {$a <=> $b} keys(%Pending);
1.599 albertel 3024: return &do_cache_new('getsection',$hashid,$Pending{$time},$cachetime);
1.298 matthew 3025: }
3026: if (scalar(keys(%Expired))) {
3027: my @sorted = sort {$a <=> $b} keys(%Expired);
3028: my $time = pop(@sorted);
1.599 albertel 3029: return &do_cache_new('getsection',$hashid,$Expired{$time},$cachetime);
1.298 matthew 3030: }
1.599 albertel 3031: return &do_cache_new('getsection',$hashid,'-1',$cachetime);
1.298 matthew 3032: }
1.70 www 3033:
1.599 albertel 3034: sub save_cache {
3035: &purge_remembered();
1.722 albertel 3036: #&Apache::loncommon::validate_page();
1.620 albertel 3037: undef(%env);
1.780 albertel 3038: undef($env_loaded);
1.599 albertel 3039: }
1.452 albertel 3040:
1.599 albertel 3041: my $to_remember=-1;
3042: my %remembered;
3043: my %accessed;
3044: my $kicks=0;
3045: my $hits=0;
1.849 albertel 3046: sub make_key {
3047: my ($name,$id) = @_;
1.872 albertel 3048: if (length($id) > 65
3049: && length(&escape($id)) > 200) {
3050: $id=length($id).':'.&Digest::MD5::md5_hex($id);
3051: }
1.849 albertel 3052: return &escape($name.':'.$id);
3053: }
3054:
1.599 albertel 3055: sub devalidate_cache_new {
3056: my ($name,$id,$debug) = @_;
3057: if ($debug) { &Apache::lonnet::logthis("deleting $name:$id"); }
1.1319 damieng 3058: my $remembered_id=$name.':'.$id;
1.849 albertel 3059: $id=&make_key($name,$id);
1.599 albertel 3060: $memcache->delete($id);
1.1319 damieng 3061: delete($remembered{$remembered_id});
3062: delete($accessed{$remembered_id});
1.599 albertel 3063: }
3064:
3065: sub is_cached_new {
3066: my ($name,$id,$debug) = @_;
1.1319 damieng 3067: my $remembered_id=$name.':'.$id; # this is to avoid make_key (which is slow) whenever possible
3068: if (exists($remembered{$remembered_id})) {
3069: if ($debug) { &Apache::lonnet::logthis("Early return $remembered_id of $remembered{$remembered_id} "); }
3070: $accessed{$remembered_id}=[&gettimeofday()];
1.599 albertel 3071: $hits++;
1.1319 damieng 3072: return ($remembered{$remembered_id},1);
1.599 albertel 3073: }
1.1319 damieng 3074: $id=&make_key($name,$id);
1.599 albertel 3075: my $value = $memcache->get($id);
3076: if (!(defined($value))) {
3077: if ($debug) { &Apache::lonnet::logthis("getting $id is not defined"); }
1.417 albertel 3078: return (undef,undef);
1.416 albertel 3079: }
1.599 albertel 3080: if ($value eq '__undef__') {
3081: if ($debug) { &Apache::lonnet::logthis("getting $id is __undef__"); }
3082: $value=undef;
3083: }
1.1319 damieng 3084: &make_room($remembered_id,$value,$debug);
1.599 albertel 3085: if ($debug) { &Apache::lonnet::logthis("getting $id is $value"); }
3086: return ($value,1);
3087: }
3088:
3089: sub do_cache_new {
3090: my ($name,$id,$value,$time,$debug) = @_;
1.1319 damieng 3091: my $remembered_id=$name.':'.$id;
1.849 albertel 3092: $id=&make_key($name,$id);
1.599 albertel 3093: my $setvalue=$value;
3094: if (!defined($setvalue)) {
3095: $setvalue='__undef__';
3096: }
1.623 albertel 3097: if (!defined($time) ) {
3098: $time=600;
3099: }
1.599 albertel 3100: if ($debug) { &Apache::lonnet::logthis("Setting $id to $value"); }
1.910 albertel 3101: my $result = $memcache->set($id,$setvalue,$time);
3102: if (! $result) {
1.872 albertel 3103: &logthis("caching of id -> $id failed");
1.910 albertel 3104: $memcache->disconnect_all();
1.872 albertel 3105: }
1.600 albertel 3106: # need to make a copy of $value
1.1319 damieng 3107: &make_room($remembered_id,$value,$debug);
1.599 albertel 3108: return $value;
3109: }
3110:
3111: sub make_room {
1.1319 damieng 3112: my ($remembered_id,$value,$debug)=@_;
1.919 albertel 3113:
1.1319 damieng 3114: $remembered{$remembered_id}= (ref($value)) ? &Storable::dclone($value)
1.919 albertel 3115: : $value;
1.599 albertel 3116: if ($to_remember<0) { return; }
1.1319 damieng 3117: $accessed{$remembered_id}=[&gettimeofday()];
1.599 albertel 3118: if (scalar(keys(%remembered)) <= $to_remember) { return; }
3119: my $to_kick;
3120: my $max_time=0;
3121: foreach my $other (keys(%accessed)) {
3122: if (&tv_interval($accessed{$other}) > $max_time) {
3123: $to_kick=$other;
3124: $max_time=&tv_interval($accessed{$other});
3125: }
3126: }
3127: delete($remembered{$to_kick});
3128: delete($accessed{$to_kick});
3129: $kicks++;
3130: if ($debug) { &logthis("kicking $to_kick $max_time $kicks\n"); }
1.541 albertel 3131: return;
3132: }
3133:
1.599 albertel 3134: sub purge_remembered {
1.604 albertel 3135: #&logthis("Tossing ".scalar(keys(%remembered)));
3136: #&logthis(sprintf("%-20s is %s",'%remembered',length(&freeze(\%remembered))));
1.599 albertel 3137: undef(%remembered);
3138: undef(%accessed);
1.428 albertel 3139: }
1.70 www 3140: # ------------------------------------- Read an entry from a user's environment
3141:
3142: sub userenvironment {
3143: my ($udom,$unam,@what)=@_;
1.976 raeburn 3144: my $items;
3145: foreach my $item (@what) {
3146: $items.=&escape($item).'&';
3147: }
3148: $items=~s/\&$//;
1.70 www 3149: my %returnhash=();
1.1009 raeburn 3150: my $uhome = &homeserver($unam,$udom);
3151: unless ($uhome eq 'no_host') {
3152: my @answer=split(/\&/,
3153: &reply('get:'.$udom.':'.$unam.':environment:'.$items,$uhome));
1.1048 raeburn 3154: if ($#answer==0 && $answer[0] =~ /^(con_lost|error:|no_such_host)/i) {
3155: return %returnhash;
3156: }
1.1009 raeburn 3157: my $i;
3158: for ($i=0;$i<=$#what;$i++) {
3159: $returnhash{$what[$i]}=&unescape($answer[$i]);
3160: }
1.70 www 3161: }
3162: return %returnhash;
1.1 albertel 3163: }
3164:
1.617 albertel 3165: # ---------------------------------------------------------- Get a studentphoto
3166: sub studentphoto {
3167: my ($udom,$unam,$ext) = @_;
3168: my $home=&Apache::lonnet::homeserver($unam,$udom);
1.706 raeburn 3169: if (defined($env{'request.course.id'})) {
1.708 raeburn 3170: if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) {
1.706 raeburn 3171: if ($udom eq $env{'course.'.$env{'request.course.id'}.'.domain'}) {
3172: return(&retrievestudentphoto($udom,$unam,$ext));
3173: } else {
3174: my ($result,$perm_reqd)=
1.707 albertel 3175: &Apache::lonnet::auto_photo_permission($unam,$udom);
1.706 raeburn 3176: if ($result eq 'ok') {
3177: if (!($perm_reqd eq 'yes')) {
3178: return(&retrievestudentphoto($udom,$unam,$ext));
3179: }
3180: }
3181: }
3182: }
3183: } else {
3184: my ($result,$perm_reqd) =
1.707 albertel 3185: &Apache::lonnet::auto_photo_permission($unam,$udom);
1.706 raeburn 3186: if ($result eq 'ok') {
3187: if (!($perm_reqd eq 'yes')) {
3188: return(&retrievestudentphoto($udom,$unam,$ext));
3189: }
3190: }
3191: }
3192: return '/adm/lonKaputt/lonlogo_broken.gif';
3193: }
3194:
3195: sub retrievestudentphoto {
3196: my ($udom,$unam,$ext,$type) = @_;
3197: my $home=&Apache::lonnet::homeserver($unam,$udom);
3198: my $ret=&Apache::lonnet::reply("studentphoto:$udom:$unam:$ext:$type",$home);
3199: if ($ret eq 'ok') {
3200: my $url="/uploaded/$udom/$unam/internal/studentphoto.$ext";
3201: if ($type eq 'thumbnail') {
3202: $url="/uploaded/$udom/$unam/internal/studentphoto_tn.$ext";
3203: }
3204: my $tokenurl=&Apache::lonnet::tokenwrapper($url);
3205: return $tokenurl;
3206: } else {
3207: if ($type eq 'thumbnail') {
3208: return '/adm/lonKaputt/genericstudent_tn.gif';
3209: } else {
3210: return '/adm/lonKaputt/lonlogo_broken.gif';
3211: }
1.617 albertel 3212: }
3213: }
3214:
1.263 www 3215: # -------------------------------------------------------------------- New chat
3216:
3217: sub chatsend {
1.724 raeburn 3218: my ($newentry,$anon,$group)=@_;
1.620 albertel 3219: my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'};
3220: my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
3221: my $chome=$env{'course.'.$env{'request.course.id'}.'.home'};
1.263 www 3222: &reply('chatsend:'.$cdom.':'.$cnum.':'.
1.620 albertel 3223: &escape($env{'user.domain'}.':'.$env{'user.name'}.':'.$anon.':'.
1.724 raeburn 3224: &escape($newentry)).':'.$group,$chome);
1.292 www 3225: }
3226:
3227: # ------------------------------------------ Find current version of a resource
3228:
3229: sub getversion {
3230: my $fname=&clutter(shift);
1.1189 raeburn 3231: unless ($fname=~m{^(/adm/wrapper|)/res/}) { return -1; }
1.292 www 3232: return ¤tversion(&filelocation('',$fname));
3233: }
3234:
3235: sub currentversion {
3236: my $fname=shift;
3237: my $author=$fname;
3238: $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/;
3239: my ($udom,$uname)=split(/\//,$author);
1.1112 www 3240: my $home=&homeserver($uname,$udom);
1.292 www 3241: if ($home eq 'no_host') {
3242: return -1;
3243: }
1.1112 www 3244: my $answer=&reply("currentversion:$fname",$home);
1.292 www 3245: if (($answer eq 'con_lost') || ($answer eq 'rejected')) {
3246: return -1;
3247: }
1.1112 www 3248: return $answer;
1.263 www 3249: }
3250:
1.1111 www 3251: #
3252: # Return special version number of resource if set by override, empty otherwise
3253: #
3254: sub usedversion {
3255: my $fname=shift;
3256: unless ($fname) { $fname=$env{'request.uri'}; }
3257: my ($urlversion)=($fname=~/\.(\d+)\.\w+$/);
3258: if ($urlversion) { return $urlversion; }
3259: return '';
3260: }
3261:
1.1 albertel 3262: # ----------------------------- Subscribe to a resource, return URL if possible
1.11 www 3263:
1.1 albertel 3264: sub subscribe {
3265: my $fname=shift;
1.761 raeburn 3266: if ($fname=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) { return ''; }
1.532 albertel 3267: $fname=~s/[\n\r]//g;
1.1 albertel 3268: my $author=$fname;
3269: $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/;
3270: my ($udom,$uname)=split(/\//,$author);
3271: my $home=homeserver($uname,$udom);
1.335 albertel 3272: if ($home eq 'no_host') {
3273: return 'not_found';
1.1 albertel 3274: }
3275: my $answer=reply("sub:$fname",$home);
1.64 www 3276: if (($answer eq 'con_lost') || ($answer eq 'rejected')) {
3277: $answer.=' by '.$home;
3278: }
1.1 albertel 3279: return $answer;
3280: }
3281:
1.8 www 3282: # -------------------------------------------------------------- Replicate file
3283:
3284: sub repcopy {
3285: my $filename=shift;
1.23 www 3286: $filename=~s/\/+/\//g;
1.1142 raeburn 3287: my $londocroot = $perlvar{'lonDocRoot'};
3288: if ($filename=~m{^\Q$londocroot/adm/\E}) { return 'ok'; }
1.1164 raeburn 3289: if ($filename=~m{^\Q/home/httpd/lonUsers/\E}) { return 'ok'; }
1.1142 raeburn 3290: if ($filename=~m{^\Q$londocroot/userfiles/\E} or
3291: $filename=~m{^/*(uploaded|editupload)/}) {
1.538 albertel 3292: return &repcopy_userfile($filename);
3293: }
1.532 albertel 3294: $filename=~s/[\n\r]//g;
1.8 www 3295: my $transname="$filename.in.transfer";
1.828 www 3296: # FIXME: this should flock
1.607 raeburn 3297: if ((-e $filename) || (-e $transname)) { return 'ok'; }
1.8 www 3298: my $remoteurl=subscribe($filename);
1.64 www 3299: if ($remoteurl =~ /^con_lost by/) {
3300: &logthis("Subscribe returned $remoteurl: $filename");
1.607 raeburn 3301: return 'unavailable';
1.8 www 3302: } elsif ($remoteurl eq 'not_found') {
1.441 albertel 3303: #&logthis("Subscribe returned not_found: $filename");
1.607 raeburn 3304: return 'not_found';
1.64 www 3305: } elsif ($remoteurl =~ /^rejected by/) {
3306: &logthis("Subscribe returned $remoteurl: $filename");
1.607 raeburn 3307: return 'forbidden';
1.20 www 3308: } elsif ($remoteurl eq 'directory') {
1.607 raeburn 3309: return 'ok';
1.8 www 3310: } else {
1.290 www 3311: my $author=$filename;
3312: $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/;
3313: my ($udom,$uname)=split(/\//,$author);
3314: my $home=homeserver($uname,$udom);
3315: unless ($home eq $perlvar{'lonHostID'}) {
1.8 www 3316: my @parts=split(/\//,$filename);
3317: my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
1.1142 raeburn 3318: if ($path ne "$londocroot/res") {
1.8 www 3319: &logthis("Malconfiguration for replication: $filename");
1.607 raeburn 3320: return 'bad_request';
1.8 www 3321: }
3322: my $count;
3323: for ($count=5;$count<$#parts;$count++) {
3324: $path.="/$parts[$count]";
3325: if ((-e $path)!=1) {
3326: mkdir($path,0777);
3327: }
3328: }
3329: my $request=new HTTP::Request('GET',"$remoteurl");
1.1345 raeburn 3330: my $response;
3331: if ($remoteurl =~ m{/raw/}) {
3332: $response=&LONCAPA::LWPReq::makerequest($home,$request,$transname,\%perlvar,'',0,1);
3333: } else {
3334: $response=&LONCAPA::LWPReq::makerequest($home,$request,$transname,\%perlvar,'',1);
3335: }
1.8 www 3336: if ($response->is_error()) {
3337: unlink($transname);
3338: my $message=$response->status_line;
1.672 albertel 3339: &logthis("<font color=\"blue\">WARNING:"
1.12 www 3340: ." LWP get: $message: $filename</font>");
1.607 raeburn 3341: return 'unavailable';
1.8 www 3342: } else {
1.16 www 3343: if ($remoteurl!~/\.meta$/) {
3344: my $mrequest=new HTTP::Request('GET',$remoteurl.'.meta');
1.1345 raeburn 3345: my $mresponse;
3346: if ($remoteurl =~ m{/raw/}) {
3347: $mresponse = &LONCAPA::LWPReq::makerequest($home,$mrequest,$filename.'.meta',\%perlvar,'',0,1);
3348: } else {
3349: $mresponse = &LONCAPA::LWPReq::makerequest($home,$mrequest,$filename.'.meta',\%perlvar,'',1);
3350: }
1.16 www 3351: if ($mresponse->is_error()) {
3352: unlink($filename.'.meta');
3353: &logthis(
1.672 albertel 3354: "<font color=\"yellow\">INFO: No metadata: $filename</font>");
1.16 www 3355: }
3356: }
1.8 www 3357: rename($transname,$filename);
1.607 raeburn 3358: return 'ok';
1.8 www 3359: }
1.290 www 3360: }
1.8 www 3361: }
1.330 www 3362: }
3363:
3364: # ------------------------------------------------ Get server side include body
3365: sub ssi_body {
1.381 albertel 3366: my ($filelink,%form)=@_;
1.606 matthew 3367: if (! exists($form{'LONCAPA_INTERNAL_no_discussion'})) {
3368: $form{'LONCAPA_INTERNAL_no_discussion'}='true';
3369: }
1.953 www 3370: my $output='';
3371: my $response;
1.980 raeburn 3372: if ($filelink=~/^https?\:/) {
1.954 raeburn 3373: ($output,$response)=&externalssi($filelink);
1.953 www 3374: } else {
1.1004 droeschl 3375: $filelink .= $filelink=~/\?/ ? '&' : '?';
3376: $filelink .= 'inhibitmenu=yes';
1.953 www 3377: ($output,$response)=&ssi($filelink,%form);
3378: }
1.778 albertel 3379: $output=~s|//(\s*<!--)? BEGIN LON-CAPA Internal.+?// END LON-CAPA Internal\s*(-->)?\s||gs;
1.451 albertel 3380: $output=~s/^.*?\<body[^\>]*\>//si;
1.930 albertel 3381: $output=~s/\<\/body\s*\>.*?$//si;
1.953 www 3382: if (wantarray) {
3383: return ($output, $response);
3384: } else {
3385: return $output;
3386: }
1.8 www 3387: }
3388:
1.15 www 3389: # --------------------------------------------------------- Server Side Include
3390:
1.782 albertel 3391: sub absolute_url {
3392: my ($host_name) = @_;
3393: my $protocol = ($ENV{'SERVER_PORT'} == 443?'https://':'http://');
3394: if ($host_name eq '') {
3395: $host_name = $ENV{'SERVER_NAME'};
3396: }
3397: return $protocol.$host_name;
3398: }
3399:
1.942 foxr 3400: #
3401: # Server side include.
3402: # Parameters:
3403: # fn Possibly encrypted resource name/id.
3404: # form Hash that describes how the rendering should be done
3405: # and other things.
1.944 foxr 3406: # Returns:
1.950 raeburn 3407: # Scalar context: The content of the response.
3408: # Array context: 2 element list of the content and the full response object.
1.942 foxr 3409: #
1.15 www 3410: sub ssi {
3411:
1.944 foxr 3412: my ($fn,%form)=@_;
1.23 www 3413: my $request;
1.711 albertel 3414:
3415: $form{'no_update_last_known'}=1;
1.895 albertel 3416: &Apache::lonenc::check_encrypt(\$fn);
1.23 www 3417: if (%form) {
1.782 albertel 3418: $request=new HTTP::Request('POST',&absolute_url().$fn);
1.1272 droeschl 3419: $request->content(join('&',map {
3420: my $name = escape($_);
3421: "$name=" . ( ref($form{$_}) eq 'ARRAY'
3422: ? join("&$name=", map {escape($_) } @{$form{$_}})
3423: : &escape($form{$_}) );
3424: } keys(%form)));
1.23 www 3425: } else {
1.782 albertel 3426: $request=new HTTP::Request('GET',&absolute_url().$fn);
1.23 www 3427: }
3428:
1.15 www 3429: $request->header(Cookie => $ENV{'HTTP_COOKIE'});
1.1345 raeburn 3430: my $lonhost = $perlvar{'lonHostID'};
1.1385 raeburn 3431: my $islocal;
3432: if (($env{'request.course.id'}) &&
3433: ($form{'grade_courseid'} eq $env{'request.course.id'}) &&
3434: ($form{'grade_username'} ne '') && ($form{'grade_domain'} ne '') &&
3435: ($form{'grade_symb'} ne '') &&
3436: (&Apache::lonnet::allowed('mgr',$env{'request.course.id'}.
3437: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
3438: $islocal = 1;
3439: }
1.1384 raeburn 3440: my $response= &LONCAPA::LWPReq::makerequest($lonhost,$request,'',\%perlvar,
1.1385 raeburn 3441: '','','',$islocal);
1.1182 foxr 3442:
1.944 foxr 3443: if (wantarray) {
1.1345 raeburn 3444: return ($response->content, $response);
1.944 foxr 3445: } else {
1.1345 raeburn 3446: return $response->content;
1.942 foxr 3447: }
1.324 www 3448: }
3449:
3450: sub externalssi {
3451: my ($url)=@_;
3452: my $request=new HTTP::Request('GET',$url);
1.1345 raeburn 3453: my $response = &LONCAPA::LWPReq::makerequest('',$request,'',\%perlvar);
1.954 raeburn 3454: if (wantarray) {
3455: return ($response->content, $response);
3456: } else {
3457: return $response->content;
3458: }
1.15 www 3459: }
1.254 www 3460:
1.1354 raeburn 3461:
3462: # If the local copy of a replicated resource is outdated, trigger a
3463: # connection from the homeserver to flush the delayed queue. If no update
3464: # happens, remove local copies of outdated resource (and corresponding
3465: # metadata file).
3466:
1.1352 raeburn 3467: sub remove_stale_resfile {
3468: my ($url) = @_;
1.1354 raeburn 3469: my $removed;
1.1352 raeburn 3470: if ($url=~m{^/res/($match_domain)/($match_username)/}) {
3471: my $audom = $1;
3472: my $auname = $2;
1.1353 raeburn 3473: unless (($url =~ /\.\d+\.\w+$/) || ($url =~ m{^/res/lib/templates/})) {
1.1352 raeburn 3474: my $homeserver = &homeserver($auname,$audom);
3475: unless (($homeserver eq 'no_host') ||
3476: (grep { $_ eq $homeserver } ¤t_machine_ids())) {
3477: my $fname = &filelocation('',$url);
3478: if (-e $fname) {
3479: my $hostname = &hostname($homeserver);
3480: if ($hostname) {
1.1397 raeburn 3481: my $protocol = $protocol{$homeserver};
3482: $protocol = 'http' if ($protocol ne 'https');
1.1352 raeburn 3483: my $uri = &declutter($url);
3484: my $request=new HTTP::Request('HEAD',$protocol.'://'.$hostname.'/raw/'.$uri);
3485: my $response = &LONCAPA::LWPReq::makerequest($homeserver,$request,'',\%perlvar,5,0,1);
3486: if ($response->is_success()) {
3487: my $remmodtime = &HTTP::Date::str2time( $response->header('Last-modified') );
3488: my $locmodtime = (stat($fname))[9];
3489: if ($locmodtime < $remmodtime) {
1.1354 raeburn 3490: my $stale;
3491: my $answer = &reply('pong',$homeserver);
3492: if ($answer eq $homeserver.':'.$perlvar{'lonHostID'}) {
3493: sleep(0.2);
3494: $locmodtime = (stat($fname))[9];
3495: if ($locmodtime < $remmodtime) {
3496: my $posstransfer = $fname.'.in.transfer';
3497: if ((-e $posstransfer) && ($remmodtime < (stat($posstransfer))[9])) {
3498: $removed = 1;
3499: } else {
3500: $stale = 1;
3501: }
3502: } else {
3503: $removed = 1;
3504: }
3505: } else {
3506: $stale = 1;
3507: }
3508: if ($stale) {
3509: unlink($fname);
3510: if ($uri!~/\.meta$/) {
3511: unlink($fname.'.meta');
3512: }
3513: &reply("unsub:$fname",$homeserver);
3514: $removed = 1;
1.1352 raeburn 3515: }
3516: }
3517: }
3518: }
3519: }
3520: }
3521: }
3522: }
1.1354 raeburn 3523: return $removed;
1.1352 raeburn 3524: }
3525:
1.492 albertel 3526: # -------------------------------- Allow a /uploaded/ URI to be vouched for
3527:
3528: sub allowuploaded {
3529: my ($srcurl,$url)=@_;
3530: $url=&clutter(&declutter($url));
3531: my $dir=$url;
3532: $dir=~s/\/[^\/]+$//;
3533: my %httpref=();
3534: my $httpurl=&hreflocation('',$url);
3535: $httpref{'httpref.'.$httpurl}=$srcurl;
1.949 raeburn 3536: &Apache::lonnet::appenv(\%httpref);
1.254 www 3537: }
1.477 raeburn 3538:
1.1193 raeburn 3539: #
3540: # Determine if the current user should be able to edit a particular resource,
3541: # when viewing in course context.
3542: # (a) When viewing resource used to determine if "Edit" item is included in
3543: # Functions.
3544: # (b) When displaying folder contents in course editor, used to determine if
3545: # "Edit" link will be displayed alongside resource.
3546: #
1.1196 raeburn 3547: # input: six args -- filename (decluttered), course number, course domain,
3548: # url, symb (if registered) and group (if this is a group
3549: # item -- e.g., bulletin board, group page etc.).
3550: # output: array of five scalars --
1.1193 raeburn 3551: # $cfile -- url for file editing if editable on current server
3552: # $home -- homeserver of resource (i.e., for author if published,
3553: # or course if uploaded.).
3554: # $switchserver -- 1 if server switch will be needed.
1.1196 raeburn 3555: # $forceedit -- 1 if icon/link should be to go to edit mode
3556: # $forceview -- 1 if icon/link should be to go to view mode
1.1193 raeburn 3557: #
3558:
3559: sub can_edit_resource {
1.1194 raeburn 3560: my ($file,$cnum,$cdom,$resurl,$symb,$group) = @_;
3561: my ($cfile,$home,$switchserver,$forceedit,$forceview,$uploaded,$incourse);
3562: #
3563: # For aboutme pages user can only edit his/her own.
3564: #
1.1199 raeburn 3565: if ($resurl =~ m{^/?adm/($match_domain)/($match_username)/aboutme$}) {
1.1194 raeburn 3566: my ($sdom,$sname) = ($1,$2);
3567: if (($sdom eq $env{'user.domain'}) && ($sname eq $env{'user.name'})) {
3568: $home = $env{'user.home'};
3569: $cfile = $resurl;
3570: if ($env{'form.forceedit'}) {
3571: $forceview = 1;
3572: } else {
3573: $forceedit = 1;
3574: }
3575: return ($cfile,$home,$switchserver,$forceedit,$forceview);
3576: } else {
3577: return;
3578: }
3579: }
3580:
3581: if ($env{'request.course.id'}) {
3582: my $crsedit = &Apache::lonnet::allowed('mdc',$env{'request.course.id'});
3583: if ($group ne '') {
3584: # if this is a group homepage or group bulletin board, check group privs
3585: my $allowed = 0;
1.1197 raeburn 3586: if ($resurl =~ m{^/?adm/$cdom/$cnum/$group/smppg$}) {
3587: if ((&allowed('mdg',$env{'request.course.id'}.
1.1198 raeburn 3588: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) ||
1.1194 raeburn 3589: (&allowed('mgh',$env{'request.course.id'}.'/'.$group)) || $crsedit) {
3590: $allowed = 1;
3591: }
1.1197 raeburn 3592: } elsif ($resurl =~ m{^/?adm/$cdom/$cnum/\d+/bulletinboard$}) {
3593: if ((&allowed('mdg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) ||
3594: (&allowed('cgb',$env{'request.course.id'}.'/'.$group)) || $crsedit) {
1.1194 raeburn 3595: $allowed = 1;
3596: }
3597: }
3598: if ($allowed) {
3599: $home=&homeserver($cnum,$cdom);
3600: if ($env{'form.forceedit'}) {
3601: $forceview = 1;
3602: } else {
3603: $forceedit = 1;
3604: }
3605: $cfile = $resurl;
3606: } else {
3607: return;
3608: }
3609: } else {
1.1208 raeburn 3610: if ($resurl =~ m{^/?adm/viewclasslist$}) {
3611: unless (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) {
3612: return;
3613: }
3614: } elsif (!$crsedit) {
1.1194 raeburn 3615: #
3616: # No edit allowed where CC has switched to student role.
3617: #
3618: return;
3619: }
3620: }
3621: }
3622:
1.1193 raeburn 3623: if ($file ne '') {
3624: if (($cnum =~ /$match_courseid/) && ($cdom =~ /$match_domain/)) {
1.1194 raeburn 3625: if (&is_course_upload($file,$cnum,$cdom)) {
3626: $uploaded = 1;
3627: $incourse = 1;
1.1193 raeburn 3628: if ($file =~/\.(htm|html|css|js|txt)$/) {
3629: $cfile = &hreflocation('',$file);
1.1201 raeburn 3630: if ($env{'form.forceedit'}) {
3631: $forceview = 1;
3632: } else {
3633: $forceedit = 1;
3634: }
1.1194 raeburn 3635: }
3636: } elsif ($resurl =~ m{^/public/$cdom/$cnum/syllabus}) {
3637: $incourse = 1;
3638: if ($env{'form.forceedit'}) {
3639: $forceview = 1;
3640: } else {
3641: $forceedit = 1;
3642: }
3643: $cfile = $resurl;
3644: } elsif (($resurl ne '') && (&is_on_map($resurl))) {
3645: if ($resurl =~ m{^/adm/$match_domain/$match_username/\d+/smppg|bulletinboard$}) {
3646: $incourse = 1;
3647: if ($env{'form.forceedit'}) {
3648: $forceview = 1;
3649: } else {
3650: $forceedit = 1;
3651: }
3652: $cfile = $resurl;
1.1199 raeburn 3653: } elsif ($resurl eq '/res/lib/templates/simpleproblem.problem') {
1.1194 raeburn 3654: $incourse = 1;
3655: $cfile = $resurl.'/smpedit';
1.1199 raeburn 3656: } elsif ($resurl =~ m{^/adm/wrapper/ext/}) {
1.1194 raeburn 3657: $incourse = 1;
1.1199 raeburn 3658: if ($env{'form.forceedit'}) {
3659: $forceview = 1;
3660: } else {
3661: $forceedit = 1;
3662: }
3663: $cfile = $resurl;
1.1343 raeburn 3664: } elsif ($resurl =~ m{^/adm/wrapper/adm/$cdom/$cnum/\d+/ext\.tool$}) {
1.1298 raeburn 3665: $incourse = 1;
3666: if ($env{'form.forceedit'}) {
3667: $forceview = 1;
3668: } else {
3669: $forceedit = 1;
3670: }
3671: $cfile = $resurl;
1.1208 raeburn 3672: } elsif ($resurl =~ m{^/?adm/viewclasslist$}) {
3673: $incourse = 1;
3674: if ($env{'form.forceedit'}) {
3675: $forceview = 1;
3676: } else {
3677: $forceedit = 1;
3678: }
3679: $cfile = ($resurl =~ m{^/} ? $resurl : "/$resurl");
1.1194 raeburn 3680: }
3681: } elsif ($resurl eq '/res/lib/templates/simpleproblem.problem/smpedit') {
3682: my $template = '/res/lib/templates/simpleproblem.problem';
3683: if (&is_on_map($template)) {
3684: $incourse = 1;
3685: $forceview = 1;
3686: $cfile = $template;
1.1193 raeburn 3687: }
1.1199 raeburn 3688: } elsif (($resurl =~ m{^/adm/wrapper/ext/}) && ($env{'form.folderpath'} =~ /^supplemental/)) {
3689: $incourse = 1;
3690: if ($env{'form.forceedit'}) {
3691: $forceview = 1;
3692: } else {
3693: $forceedit = 1;
3694: }
3695: $cfile = $resurl;
1.1343 raeburn 3696: } elsif (($resurl =~ m{^/adm/wrapper/adm/$cdom/$cnum/\d+/ext\.tool$}) && ($env{'form.folderpath'} =~ /^supplemental/)) {
1.1298 raeburn 3697: $incourse = 1;
3698: if ($env{'form.forceedit'}) {
3699: $forceview = 1;
3700: } else {
3701: $forceedit = 1;
3702: }
3703: $cfile = $resurl;
1.1199 raeburn 3704: } elsif (($resurl eq '/adm/extresedit') && ($symb || $env{'form.folderpath'})) {
3705: $incourse = 1;
3706: $forceview = 1;
3707: if ($symb) {
3708: my ($map,$id,$res)=&decode_symb($symb);
3709: $env{'request.symb'} = $symb;
3710: $cfile = &clutter($res);
3711: } else {
3712: $cfile = $env{'form.suppurl'};
1.1298 raeburn 3713: my $escfile = &unescape($cfile);
1.1343 raeburn 3714: if ($escfile =~ m{^/adm/$cdom/$cnum/\d+/ext\.tool$}) {
1.1298 raeburn 3715: $cfile = '/adm/wrapper'.$escfile;
3716: } else {
3717: $escfile =~ s{^http://}{};
3718: $cfile = &escape("/adm/wrapper/ext/$escfile");
3719: }
1.1199 raeburn 3720: }
1.1234 raeburn 3721: } elsif ($resurl =~ m{^/?adm/viewclasslist$}) {
3722: if ($env{'form.forceedit'}) {
3723: $forceview = 1;
3724: } else {
3725: $forceedit = 1;
3726: }
3727: $cfile = ($resurl =~ m{^/} ? $resurl : "/$resurl");
1.1193 raeburn 3728: }
3729: }
1.1194 raeburn 3730: if ($uploaded || $incourse) {
3731: $home=&homeserver($cnum,$cdom);
1.1207 raeburn 3732: } elsif ($file !~ m{/$}) {
1.1193 raeburn 3733: $file=~s{^(priv/$match_domain/$match_username)}{/$1};
3734: $file=~s{^($match_domain/$match_username)}{/priv/$1};
3735: # Check that the user has permission to edit this resource
3736: my $setpriv = 1;
3737: my ($cfuname,$cfudom)=&constructaccess($file,$setpriv);
3738: if (defined($cfudom)) {
3739: $home=&homeserver($cfuname,$cfudom);
3740: $cfile=$file;
3741: }
3742: }
1.1194 raeburn 3743: if (($cfile ne '') && (!$incourse || $uploaded) &&
3744: (($home ne '') && ($home ne 'no_host'))) {
1.1193 raeburn 3745: my @ids=¤t_machine_ids();
3746: unless (grep(/^\Q$home\E$/,@ids)) {
3747: $switchserver=1;
3748: }
3749: }
3750: }
1.1194 raeburn 3751: return ($cfile,$home,$switchserver,$forceedit,$forceview);
1.1193 raeburn 3752: }
3753:
3754: sub is_course_upload {
3755: my ($file,$cnum,$cdom) = @_;
3756: my $uploadpath = &LONCAPA::propath($cdom,$cnum);
3757: $uploadpath =~ s{^\/}{};
1.1201 raeburn 3758: if (($file =~ m{^\Q$uploadpath\E/userfiles/(docs|supplemental)/}) ||
3759: ($file =~ m{^userfiles/\Q$cdom\E/\Q$cnum\E/(docs|supplemental)/})) {
1.1193 raeburn 3760: return 1;
3761: }
3762: return;
3763: }
3764:
1.1194 raeburn 3765: sub in_course {
1.1195 raeburn 3766: my ($udom,$uname,$cdom,$cnum,$type,$hideprivileged) = @_;
3767: if ($hideprivileged) {
3768: my $skipuser;
1.1219 raeburn 3769: my %coursehash = &coursedescription($cdom.'_'.$cnum);
3770: my @possdoms = ($cdom);
3771: if ($coursehash{'checkforpriv'}) {
3772: push(@possdoms,split(/,/,$coursehash{'checkforpriv'}));
3773: }
3774: if (&privileged($uname,$udom,\@possdoms)) {
1.1195 raeburn 3775: $skipuser = 1;
3776: if ($coursehash{'nothideprivileged'}) {
3777: foreach my $item (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
3778: my $user;
3779: if ($item =~ /:/) {
3780: $user = $item;
3781: } else {
3782: $user = join(':',split(/[\@]/,$item));
3783: }
3784: if ($user eq $uname.':'.$udom) {
3785: undef($skipuser);
3786: last;
3787: }
3788: }
3789: }
3790: if ($skipuser) {
3791: return 0;
3792: }
3793: }
3794: }
1.1194 raeburn 3795: $type ||= 'any';
3796: if (!defined($cdom) || !defined($cnum)) {
3797: my $cid = $env{'request.course.id'};
3798: $cdom = $env{'course.'.$cid.'.domain'};
3799: $cnum = $env{'course.'.$cid.'.num'};
3800: }
3801: my $typesref;
1.1195 raeburn 3802: if (($type eq 'any') || ($type eq 'all')) {
1.1194 raeburn 3803: $typesref = ['active','previous','future'];
3804: } elsif ($type eq 'previous' || $type eq 'future') {
3805: $typesref = [$type];
3806: }
3807: my %roles = &get_my_roles($uname,$udom,'userroles',
3808: $typesref,undef,[$cdom]);
3809: my ($tmp) = keys(%roles);
3810: return 0 if ($tmp =~ /^(con_lost|error|no_such_host)/i);
3811: my @course_roles = grep(/^\Q$cnum\E:\Q$cdom\E:/, keys(%roles));
3812: if (@course_roles > 0) {
3813: return 1;
3814: }
3815: return 0;
3816: }
3817:
1.478 albertel 3818: # --------- File operations in /home/httpd/html/userfiles/$domain/1/2/3/$course
1.638 albertel 3819: # input: action, courseID, current domain, intended
1.637 raeburn 3820: # path to file, source of file, instruction to parse file for objects,
3821: # ref to hash for embedded objects,
3822: # ref to hash for codebase of java objects.
1.1095 raeburn 3823: # reference to scalar to accommodate mime type determined
3824: # from File::MMagic if $parser = parse.
1.637 raeburn 3825: #
1.485 raeburn 3826: # output: url to file (if action was uploaddoc),
3827: # ok if successful, or diagnostic message otherwise (if action was propagate or copy)
1.477 raeburn 3828: #
1.478 albertel 3829: # Allows directory structure to be used within lonUsers/../userfiles/ for a
3830: # course.
1.477 raeburn 3831: #
1.478 albertel 3832: # action = propagate - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file
3833: # will be copied to /home/httpd/lonUsers/1/2/3/$course/userfiles in
3834: # course's home server.
1.477 raeburn 3835: #
1.478 albertel 3836: # action = copy - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file will
3837: # be copied from $source (current location) to
3838: # /home/httpd/html/userfiles/$domain/1/2/3/$course/$file
3839: # and will then be copied to
3840: # /home/httpd/lonUsers/$domain/1/2/3/$course/userfiles/$file in
3841: # course's home server.
1.485 raeburn 3842: #
1.481 raeburn 3843: # action = uploaddoc - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file
1.620 albertel 3844: # will be retrived from $env{form.uploaddoc} (from DOCS interface) to
1.481 raeburn 3845: # /home/httpd/html/userfiles/$domain/1/2/3/$course/$file
3846: # and will then be copied to /home/httpd/lonUsers/1/2/3/$course/userfiles/$file
3847: # in course's home server.
1.637 raeburn 3848: #
1.477 raeburn 3849:
3850: sub process_coursefile {
1.1095 raeburn 3851: my ($action,$docuname,$docudom,$file,$source,$parser,$allfiles,$codebase,
3852: $mimetype)=@_;
1.477 raeburn 3853: my $fetchresult;
1.638 albertel 3854: my $home=&homeserver($docuname,$docudom);
1.477 raeburn 3855: if ($action eq 'propagate') {
1.638 albertel 3856: $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file,
3857: $home);
1.481 raeburn 3858: } else {
1.477 raeburn 3859: my $fpath = '';
3860: my $fname = $file;
1.478 albertel 3861: ($fpath,$fname) = ($file =~ m|^(.*)/([^/]+)$|);
1.477 raeburn 3862: $fpath=$docudom.'/'.$docuname.'/'.$fpath;
1.637 raeburn 3863: my $filepath = &build_filepath($fpath);
1.481 raeburn 3864: if ($action eq 'copy') {
3865: if ($source eq '') {
3866: $fetchresult = 'no source file';
3867: return $fetchresult;
3868: } else {
3869: my $destination = $filepath.'/'.$fname;
3870: rename($source,$destination);
3871: $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file,
1.638 albertel 3872: $home);
1.481 raeburn 3873: }
3874: } elsif ($action eq 'uploaddoc') {
1.1359 raeburn 3875: open(my $fh,'>',$filepath.'/'.$fname);
1.620 albertel 3876: print $fh $env{'form.'.$source};
1.481 raeburn 3877: close($fh);
1.637 raeburn 3878: if ($parser eq 'parse') {
1.1024 raeburn 3879: my $mm = new File::MMagic;
1.1095 raeburn 3880: my $type = $mm->checktype_filename($filepath.'/'.$fname);
3881: if ($type eq 'text/html') {
1.1024 raeburn 3882: my $parse_result = &extract_embedded_items($filepath.'/'.$fname,$allfiles,$codebase);
3883: unless ($parse_result eq 'ok') {
3884: &logthis('Failed to parse '.$filepath.'/'.$fname.' for embedded media: '.$parse_result);
3885: }
1.637 raeburn 3886: }
1.1095 raeburn 3887: if (ref($mimetype)) {
3888: $$mimetype = $type;
3889: }
1.637 raeburn 3890: }
1.477 raeburn 3891: $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file,
1.638 albertel 3892: $home);
1.481 raeburn 3893: if ($fetchresult eq 'ok') {
3894: return '/uploaded/'.$fpath.'/'.$fname;
3895: } else {
3896: &logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file.
1.638 albertel 3897: ' to host '.$home.': '.$fetchresult);
1.481 raeburn 3898: return '/adm/notfound.html';
3899: }
1.477 raeburn 3900: }
3901: }
1.485 raeburn 3902: unless ( $fetchresult eq 'ok') {
1.477 raeburn 3903: &logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file.
1.638 albertel 3904: ' to host '.$home.': '.$fetchresult);
1.477 raeburn 3905: }
3906: return $fetchresult;
3907: }
3908:
1.637 raeburn 3909: sub build_filepath {
3910: my ($fpath) = @_;
3911: my $filepath=$perlvar{'lonDocRoot'}.'/userfiles';
3912: unless ($fpath eq '') {
3913: my @parts=split('/',$fpath);
3914: foreach my $part (@parts) {
3915: $filepath.= '/'.$part;
3916: if ((-e $filepath)!=1) {
3917: mkdir($filepath,0777);
3918: }
3919: }
3920: }
3921: return $filepath;
3922: }
3923:
3924: sub store_edited_file {
1.638 albertel 3925: my ($primary_url,$content,$docudom,$docuname,$fetchresult) = @_;
1.637 raeburn 3926: my $file = $primary_url;
3927: $file =~ s#^/uploaded/$docudom/$docuname/##;
3928: my $fpath = '';
3929: my $fname = $file;
3930: ($fpath,$fname) = ($file =~ m|^(.*)/([^/]+)$|);
3931: $fpath=$docudom.'/'.$docuname.'/'.$fpath;
3932: my $filepath = &build_filepath($fpath);
1.1359 raeburn 3933: open(my $fh,'>',$filepath.'/'.$fname);
1.637 raeburn 3934: print $fh $content;
3935: close($fh);
1.638 albertel 3936: my $home=&homeserver($docuname,$docudom);
1.637 raeburn 3937: $$fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file,
1.638 albertel 3938: $home);
1.637 raeburn 3939: if ($$fetchresult eq 'ok') {
3940: return '/uploaded/'.$fpath.'/'.$fname;
3941: } else {
1.638 albertel 3942: &logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file.
3943: ' to host '.$home.': '.$$fetchresult);
1.637 raeburn 3944: return '/adm/notfound.html';
3945: }
3946: }
3947:
1.531 albertel 3948: sub clean_filename {
1.831 albertel 3949: my ($fname,$args)=@_;
1.315 www 3950: # Replace Windows backslashes by forward slashes
1.257 www 3951: $fname=~s/\\/\//g;
1.831 albertel 3952: if (!$args->{'keep_path'}) {
3953: # Get rid of everything but the actual filename
3954: $fname=~s/^.*\/([^\/]+)$/$1/;
3955: }
1.315 www 3956: # Replace spaces by underscores
3957: $fname=~s/\s+/\_/g;
1.1406 raeburn 3958: # Transliterate non-ascii text to ascii
3959: my $lang = &Apache::lonlocal::current_language();
3960: $fname = &LONCAPA::transliterate::fname_to_ascii($fname,$lang);
1.315 www 3961: # Replace all other weird characters by nothing
1.831 albertel 3962: $fname=~s{[^/\w\.\-]}{}g;
1.540 albertel 3963: # Replace all .\d. sequences with _\d. so they no longer look like version
3964: # numbers
3965: $fname=~s/\.(\d+)(?=\.)/_$1/g;
1.531 albertel 3966: return $fname;
3967: }
1.1406 raeburn 3968:
1.1051 raeburn 3969: # This Function checks if an Image's dimensions exceed either $resizewidth (width)
3970: # or $resizeheight (height) - both pixels. If so, the image is scaled to produce an
3971: # image with the same aspect ratio as the original, but with dimensions which do
3972: # not exceed $resizewidth and $resizeheight.
3973:
1.984 neumanie 3974: sub resizeImage {
1.1051 raeburn 3975: my ($img_path,$resizewidth,$resizeheight) = @_;
3976: my $ima = Image::Magick->new;
3977: my $resized;
3978: if (-e $img_path) {
3979: $ima->Read($img_path);
3980: if (($resizewidth =~ /^\d+$/) && ($resizeheight > 0)) {
3981: my $width = $ima->Get('width');
3982: my $height = $ima->Get('height');
3983: if ($width > $resizewidth) {
3984: my $factor = $width/$resizewidth;
3985: my $newheight = $height/$factor;
3986: $ima->Scale(width=>$resizewidth,height=>$newheight);
3987: $resized = 1;
3988: }
3989: }
3990: if (($resizeheight =~ /^\d+$/) && ($resizeheight > 0)) {
3991: my $width = $ima->Get('width');
3992: my $height = $ima->Get('height');
3993: if ($height > $resizeheight) {
3994: my $factor = $height/$resizeheight;
3995: my $newwidth = $width/$factor;
3996: $ima->Scale(width=>$newwidth,height=>$resizeheight);
3997: $resized = 1;
3998: }
3999: }
4000: if ($resized) {
4001: $ima->Write($img_path);
4002: }
4003: }
4004: return;
1.977 amueller 4005: }
4006:
1.608 albertel 4007: # --------------- Take an uploaded file and put it into the userfiles directory
1.686 albertel 4008: # input: $formname - the contents of the file are in $env{"form.$formname"}
1.1093 raeburn 4009: # the desired filename is in $env{"form.$formname.filename"}
1.1090 raeburn 4010: # $context - possible values: coursedoc, existingfile, overwrite,
1.1401 raeburn 4011: # canceloverwrite, scantron or ''.
1.1090 raeburn 4012: # if 'coursedoc': upload to the current course
4013: # if 'existingfile': write file to tmp/overwrites directory
4014: # if 'canceloverwrite': delete file written to tmp/overwrites directory
4015: # $context is passed as argument to &finishuserfileupload
1.686 albertel 4016: # $subdir - directory in userfile to store the file into
1.1401 raeburn 4017: # $parser - instruction to parse file for objects ($parser = parse) or
4018: # if context is 'scantron', $parser is hashref of csv column mapping
4019: # (e.g.,{ PaperID => 0, LastName => 1, FirstName => 2, ID => 3,
4020: # Section => 4, CODE => 5, FirstQuestion => 9 }).
1.858 raeburn 4021: # $allfiles - reference to hash for embedded objects
4022: # $codebase - reference to hash for codebase of java objects
4023: # $desuname - username for permanent storage of uploaded file
4024: # $dsetudom - domain for permanaent storage of uploaded file
1.860 raeburn 4025: # $thumbwidth - width (pixels) of thumbnail to make for uploaded image
4026: # $thumbheight - height (pixels) of thumbnail to make for uploaded image
1.1051 raeburn 4027: # $resizewidth - width (pixels) to which to resize uploaded image
4028: # $resizeheight - height (pixels) to which to resize uploaded image
1.1095 raeburn 4029: # $mimetype - reference to scalar to accommodate mime type determined
1.1152 raeburn 4030: # from File::MMagic.
1.858 raeburn 4031: #
1.686 albertel 4032: # output: url of file in userspace, or error: <message>
4033: # or /adm/notfound.html if failure to upload occurse
1.608 albertel 4034:
1.531 albertel 4035: sub userfileupload {
1.1090 raeburn 4036: my ($formname,$context,$subdir,$parser,$allfiles,$codebase,$destuname,
1.1095 raeburn 4037: $destudom,$thumbwidth,$thumbheight,$resizewidth,$resizeheight,$mimetype)=@_;
1.531 albertel 4038: if (!defined($subdir)) { $subdir='unknown'; }
1.620 albertel 4039: my $fname=$env{'form.'.$formname.'.filename'};
1.531 albertel 4040: $fname=&clean_filename($fname);
1.1090 raeburn 4041: # See if there is anything left
1.257 www 4042: unless ($fname) { return 'error: no uploaded file'; }
1.1406 raeburn 4043: # If filename now begins with a . prepend unix timestamp _ milliseconds
4044: if ($fname =~ /^\./) {
4045: my ($s,$usec) = &gettimeofday();
4046: while (length($usec) < 6) {
4047: $usec = '0'.$usec;
4048: }
4049: $fname = $s.'_'.substr($usec,0,3).$fname;
4050: }
1.1090 raeburn 4051: # Files uploaded to help request form, or uploaded to "create course" page are handled differently
4052: if ((($formname eq 'screenshot') && ($subdir eq 'helprequests')) ||
4053: (($formname eq 'coursecreatorxml') && ($subdir eq 'batchupload')) ||
4054: ($context eq 'existingfile') || ($context eq 'canceloverwrite')) {
1.523 raeburn 4055: my $now = time;
1.1090 raeburn 4056: my $filepath;
1.1095 raeburn 4057: if (($formname eq 'screenshot') && ($subdir eq 'helprequests')) {
1.1090 raeburn 4058: $filepath = 'tmp/helprequests/'.$now;
4059: } elsif (($formname eq 'coursecreatorxml') && ($subdir eq 'batchupload')) {
4060: $filepath = 'tmp/addcourse/'.$destudom.'/web/'.$env{'user.name'}.
4061: '_'.$env{'user.domain'}.'/pending';
4062: } elsif (($context eq 'existingfile') || ($context eq 'canceloverwrite')) {
4063: my ($docuname,$docudom);
1.1350 raeburn 4064: if ($destudom =~ /^$match_domain$/) {
1.1090 raeburn 4065: $docudom = $destudom;
4066: } else {
4067: $docudom = $env{'user.domain'};
4068: }
1.1350 raeburn 4069: if ($destuname =~ /^$match_username$/) {
1.1090 raeburn 4070: $docuname = $destuname;
4071: } else {
4072: $docuname = $env{'user.name'};
4073: }
4074: if (exists($env{'form.group'})) {
4075: $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
4076: $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
4077: }
4078: $filepath = 'tmp/overwrites/'.$docudom.'/'.$docuname.'/'.$subdir;
4079: if ($context eq 'canceloverwrite') {
4080: my $tempfile = $perlvar{'lonDaemons'}.'/'.$filepath.'/'.$fname;
4081: if (-e $tempfile) {
4082: my @info = stat($tempfile);
4083: if ($info[9] eq $env{'form.timestamp'}) {
4084: unlink($tempfile);
4085: }
4086: }
4087: return;
1.523 raeburn 4088: }
4089: }
1.1090 raeburn 4090: # Create the directory if not present
1.741 raeburn 4091: my @parts=split(/\//,$filepath);
4092: my $fullpath = $perlvar{'lonDaemons'};
4093: for (my $i=0;$i<@parts;$i++) {
4094: $fullpath .= '/'.$parts[$i];
4095: if ((-e $fullpath)!=1) {
4096: mkdir($fullpath,0777);
4097: }
4098: }
1.1359 raeburn 4099: open(my $fh,'>',$fullpath.'/'.$fname);
1.741 raeburn 4100: print $fh $env{'form.'.$formname};
4101: close($fh);
1.1090 raeburn 4102: if ($context eq 'existingfile') {
4103: my @info = stat($fullpath.'/'.$fname);
4104: return ($fullpath.'/'.$fname,$info[9]);
4105: } else {
4106: return $fullpath.'/'.$fname;
4107: }
1.523 raeburn 4108: }
1.995 raeburn 4109: if ($subdir eq 'scantron') {
4110: $fname = 'scantron_orig_'.$fname;
1.1093 raeburn 4111: } else {
1.995 raeburn 4112: $fname="$subdir/$fname";
4113: }
1.1090 raeburn 4114: if ($context eq 'coursedoc') {
1.638 albertel 4115: my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
4116: my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.646 raeburn 4117: if ($env{'form.folder'} =~ m/^(default|supplemental)/) {
1.638 albertel 4118: return &finishuserfileupload($docuname,$docudom,
4119: $formname,$fname,$parser,$allfiles,
1.1051 raeburn 4120: $codebase,$thumbwidth,$thumbheight,
1.1095 raeburn 4121: $resizewidth,$resizeheight,$context,$mimetype);
1.481 raeburn 4122: } else {
1.1218 raeburn 4123: if ($env{'form.folder'}) {
4124: $fname=$env{'form.folder'}.'/'.$fname;
4125: }
1.638 albertel 4126: return &process_coursefile('uploaddoc',$docuname,$docudom,
4127: $fname,$formname,$parser,
1.1095 raeburn 4128: $allfiles,$codebase,$mimetype);
1.481 raeburn 4129: }
1.719 banghart 4130: } elsif (defined($destuname)) {
4131: my $docuname=$destuname;
4132: my $docudom=$destudom;
1.860 raeburn 4133: return &finishuserfileupload($docuname,$docudom,$formname,$fname,
4134: $parser,$allfiles,$codebase,
1.1051 raeburn 4135: $thumbwidth,$thumbheight,
1.1095 raeburn 4136: $resizewidth,$resizeheight,$context,$mimetype);
1.259 www 4137: } else {
1.638 albertel 4138: my $docuname=$env{'user.name'};
4139: my $docudom=$env{'user.domain'};
1.1220 raeburn 4140: if ((exists($env{'form.group'})) || ($context eq 'syllabus')) {
1.714 raeburn 4141: $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
4142: $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
4143: }
1.860 raeburn 4144: return &finishuserfileupload($docuname,$docudom,$formname,$fname,
4145: $parser,$allfiles,$codebase,
1.1051 raeburn 4146: $thumbwidth,$thumbheight,
1.1095 raeburn 4147: $resizewidth,$resizeheight,$context,$mimetype);
1.259 www 4148: }
1.271 www 4149: }
4150:
4151: sub finishuserfileupload {
1.860 raeburn 4152: my ($docuname,$docudom,$formname,$fname,$parser,$allfiles,$codebase,
1.1095 raeburn 4153: $thumbwidth,$thumbheight,$resizewidth,$resizeheight,$context,$mimetype) = @_;
1.477 raeburn 4154: my $path=$docudom.'/'.$docuname.'/';
1.258 www 4155: my $filepath=$perlvar{'lonDocRoot'};
1.984 neumanie 4156:
1.860 raeburn 4157: my ($fnamepath,$file,$fetchthumb);
1.494 albertel 4158: $file=$fname;
4159: if ($fname=~m|/|) {
4160: ($fnamepath,$file) = ($fname =~ m|^(.*)/([^/]+)$|);
4161: $path.=$fnamepath.'/';
4162: }
1.259 www 4163: my @parts=split(/\//,$filepath.'/userfiles/'.$path);
1.258 www 4164: my $count;
4165: for ($count=4;$count<=$#parts;$count++) {
4166: $filepath.="/$parts[$count]";
4167: if ((-e $filepath)!=1) {
4168: mkdir($filepath,0777);
4169: }
4170: }
1.984 neumanie 4171:
1.258 www 4172: # Save the file
4173: {
1.1359 raeburn 4174: if (!open(FH,'>',$filepath.'/'.$file)) {
1.701 albertel 4175: &logthis('Failed to create '.$filepath.'/'.$file);
4176: print STDERR ('Failed to create '.$filepath.'/'.$file."\n");
4177: return '/adm/notfound.html';
4178: }
1.1090 raeburn 4179: if ($context eq 'overwrite') {
1.1117 foxr 4180: my $source = LONCAPA::tempdir().'/overwrites/'.$docudom.'/'.$docuname.'/'.$fname;
1.1090 raeburn 4181: my $target = $filepath.'/'.$file;
4182: if (-e $source) {
4183: my @info = stat($source);
4184: if ($info[9] eq $env{'form.timestamp'}) {
4185: unless (&File::Copy::move($source,$target)) {
4186: &logthis('Failed to overwrite '.$filepath.'/'.$file);
4187: return "Moving from $source failed";
4188: }
4189: } else {
4190: return "Temporary file: $source had unexpected date/time for last modification";
4191: }
4192: } else {
4193: return "Temporary file: $source missing";
4194: }
4195: } elsif (!print FH ($env{'form.'.$formname})) {
1.701 albertel 4196: &logthis('Failed to write to '.$filepath.'/'.$file);
4197: print STDERR ('Failed to write to '.$filepath.'/'.$file."\n");
4198: return '/adm/notfound.html';
4199: }
1.570 albertel 4200: close(FH);
1.1051 raeburn 4201: if ($resizewidth && $resizeheight) {
4202: my $mm = new File::MMagic;
4203: my $mime_type = $mm->checktype_filename($filepath.'/'.$file);
4204: if ($mime_type =~ m{^image/}) {
4205: &resizeImage($filepath.'/'.$file,$resizewidth,$resizeheight);
4206: }
1.977 amueller 4207: }
1.258 www 4208: }
1.1152 raeburn 4209: if (($context eq 'coursedoc') || ($parser eq 'parse')) {
4210: if (ref($mimetype)) {
4211: if ($$mimetype eq '') {
4212: my $mm = new File::MMagic;
4213: my $type = $mm->checktype_filename($filepath.'/'.$file);
4214: $$mimetype = $type;
4215: }
4216: }
4217: }
1.1401 raeburn 4218: if (($context ne 'scantron') && ($parser eq 'parse')) {
1.1152 raeburn 4219: if ((ref($mimetype)) && ($$mimetype eq 'text/html')) {
1.1024 raeburn 4220: my $parse_result = &extract_embedded_items($filepath.'/'.$file,
4221: $allfiles,$codebase);
4222: unless ($parse_result eq 'ok') {
4223: &logthis('Failed to parse '.$filepath.$file.
4224: ' for embedded media: '.$parse_result);
4225: }
1.637 raeburn 4226: }
1.1401 raeburn 4227: } elsif (($context eq 'scantron') && (ref($parser) eq 'HASH')) {
4228: my $format = $env{'form.scantron_format'};
4229: &bubblesheet_converter($docudom,$filepath.'/'.$file,$parser,$format);
1.637 raeburn 4230: }
1.860 raeburn 4231: if (($thumbwidth =~ /^\d+$/) && ($thumbheight =~ /^\d+$/)) {
4232: my $input = $filepath.'/'.$file;
4233: my $output = $filepath.'/'.'tn-'.$file;
4234: my $thumbsize = $thumbwidth.'x'.$thumbheight;
1.1359 raeburn 4235: my @args = ('convert','-sample',$thumbsize,$input,$output);
4236: system({$args[0]} @args);
1.860 raeburn 4237: if (-e $filepath.'/'.'tn-'.$file) {
4238: $fetchthumb = 1;
4239: }
4240: }
1.858 raeburn 4241:
1.259 www 4242: # Notify homeserver to grep it
4243: #
1.984 neumanie 4244: my $docuhome=&homeserver($docuname,$docudom);
1.494 albertel 4245: my $fetchresult= &reply('fetchuserfile:'.$path.$file,$docuhome);
1.295 www 4246: if ($fetchresult eq 'ok') {
1.860 raeburn 4247: if ($fetchthumb) {
4248: my $thumbresult= &reply('fetchuserfile:'.$path.'tn-'.$file,$docuhome);
4249: if ($thumbresult ne 'ok') {
4250: &logthis('Failed to transfer '.$path.'tn-'.$file.' to host '.
4251: $docuhome.': '.$thumbresult);
4252: }
4253: }
1.259 www 4254: #
1.258 www 4255: # Return the URL to it
1.494 albertel 4256: return '/uploaded/'.$path.$file;
1.263 www 4257: } else {
1.494 albertel 4258: &logthis('Failed to transfer '.$path.$file.' to host '.$docuhome.
4259: ': '.$fetchresult);
1.263 www 4260: return '/adm/notfound.html';
1.858 raeburn 4261: }
1.493 albertel 4262: }
4263:
1.637 raeburn 4264: sub extract_embedded_items {
1.961 raeburn 4265: my ($fullpath,$allfiles,$codebase,$content) = @_;
1.637 raeburn 4266: my @state = ();
1.1164 raeburn 4267: my (%lastids,%related,%shockwave,%flashvars);
1.637 raeburn 4268: my %javafiles = (
4269: codebase => '',
4270: code => '',
4271: archive => ''
4272: );
4273: my %mediafiles = (
4274: src => '',
4275: movie => '',
4276: );
1.648 raeburn 4277: my $p;
4278: if ($content) {
4279: $p = HTML::LCParser->new($content);
4280: } else {
1.961 raeburn 4281: $p = HTML::LCParser->new($fullpath);
1.648 raeburn 4282: }
1.641 albertel 4283: while (my $t=$p->get_token()) {
1.640 albertel 4284: if ($t->[0] eq 'S') {
4285: my ($tagname, $attr) = ($t->[1],$t->[2]);
1.886 albertel 4286: push(@state, $tagname);
1.648 raeburn 4287: if (lc($tagname) eq 'allow') {
4288: &add_filetype($allfiles,$attr->{'src'},'src');
4289: }
1.640 albertel 4290: if (lc($tagname) eq 'img') {
4291: &add_filetype($allfiles,$attr->{'src'},'src');
4292: }
1.886 albertel 4293: if (lc($tagname) eq 'a') {
1.1222 raeburn 4294: unless (($attr->{'href'} =~ /^#/) || ($attr->{'href'} eq '')) {
1.1221 raeburn 4295: &add_filetype($allfiles,$attr->{'href'},'href');
4296: }
1.886 albertel 4297: }
1.645 raeburn 4298: if (lc($tagname) eq 'script') {
1.1164 raeburn 4299: my $src;
1.645 raeburn 4300: if ($attr->{'archive'} =~ /\.jar$/i) {
4301: &add_filetype($allfiles,$attr->{'archive'},'archive');
4302: } else {
1.1164 raeburn 4303: if ($attr->{'src'} ne '') {
4304: $src = $attr->{'src'};
4305: &add_filetype($allfiles,$src,'src');
4306: }
4307: }
4308: my $text = $p->get_trimmed_text();
4309: if ($text =~ /\Qswfobject.registerObject(\E([^\)]+)\)/) {
4310: my @swfargs = split(/,/,$1);
4311: foreach my $item (@swfargs) {
4312: $item =~ s/["']//g;
4313: $item =~ s/^\s+//;
4314: $item =~ s/\s+$//;
4315: }
4316: if (($swfargs[0] ne'') && ($swfargs[2] ne '')) {
4317: if (ref($related{$swfargs[0]}) eq 'ARRAY') {
4318: push(@{$related{$swfargs[0]}},$swfargs[2]);
4319: } else {
4320: $related{$swfargs[0]} = [$swfargs[2]];
4321: }
4322: }
1.645 raeburn 4323: }
4324: }
4325: if (lc($tagname) eq 'link') {
4326: if (lc($attr->{'rel'}) eq 'stylesheet') {
4327: &add_filetype($allfiles,$attr->{'href'},'href');
4328: }
4329: }
1.640 albertel 4330: if (lc($tagname) eq 'object' ||
4331: (lc($tagname) eq 'embed' && lc($state[-2]) ne 'object')) {
4332: foreach my $item (keys(%javafiles)) {
4333: $javafiles{$item} = '';
4334: }
1.1164 raeburn 4335: if ((lc($tagname) eq 'object') && (lc($state[-2]) ne 'object')) {
4336: $lastids{lc($tagname)} = $attr->{'id'};
4337: }
1.640 albertel 4338: }
4339: if (lc($state[-2]) eq 'object' && lc($tagname) eq 'param') {
4340: my $name = lc($attr->{'name'});
4341: foreach my $item (keys(%javafiles)) {
4342: if ($name eq $item) {
4343: $javafiles{$item} = $attr->{'value'};
4344: last;
4345: }
4346: }
1.1164 raeburn 4347: my $pathfrom;
1.640 albertel 4348: foreach my $item (keys(%mediafiles)) {
4349: if ($name eq $item) {
1.1164 raeburn 4350: $pathfrom = $attr->{'value'};
4351: $shockwave{$lastids{lc($state[-2])}} = $pathfrom;
4352: &add_filetype($allfiles,$pathfrom,$name);
1.640 albertel 4353: last;
4354: }
4355: }
1.1164 raeburn 4356: if ($name eq 'flashvars') {
4357: $flashvars{$lastids{lc($state[-2])}} = $attr->{'value'};
4358: }
4359: if ($pathfrom ne '') {
4360: &embedded_dependency($allfiles,\%related,$lastids{lc($state[-2])},
4361: $pathfrom);
4362: }
1.640 albertel 4363: }
4364: if (lc($tagname) eq 'embed' || lc($tagname) eq 'applet') {
4365: foreach my $item (keys(%javafiles)) {
4366: if ($attr->{$item}) {
4367: $javafiles{$item} = $attr->{$item};
4368: last;
4369: }
4370: }
4371: foreach my $item (keys(%mediafiles)) {
4372: if ($attr->{$item}) {
4373: &add_filetype($allfiles,$attr->{$item},$item);
4374: last;
4375: }
4376: }
1.1164 raeburn 4377: if (lc($tagname) eq 'embed') {
4378: if (($attr->{'name'} ne '') && ($attr->{'src'} ne '')) {
4379: &embedded_dependency($allfiles,\%related,$attr->{'name'},
4380: $attr->{'src'});
4381: }
4382: }
1.640 albertel 4383: }
1.1243 raeburn 4384: if (lc($tagname) eq 'iframe') {
4385: my $src = $attr->{'src'} ;
4386: if (($src ne '') && ($src !~ m{^(/|https?://)})) {
4387: &add_filetype($allfiles,$src,'src');
4388: } elsif ($src =~ m{^/}) {
4389: if ($env{'request.course.id'}) {
4390: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
4391: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
4392: my $url = &hreflocation('',$fullpath);
4393: if ($url =~ m{^/uploaded/$cdom/$cnum/docs/(\w+/\d+)/}) {
4394: my $relpath = $1;
4395: if ($src =~ m{^/uploaded/$cdom/$cnum/docs/\Q$relpath\E/(.+)$}) {
4396: &add_filetype($allfiles,$1,'src');
4397: }
4398: }
4399: }
4400: }
4401: }
1.1164 raeburn 4402: if ($t->[4] =~ m{/>$}) {
1.1243 raeburn 4403: pop(@state);
1.1164 raeburn 4404: }
1.640 albertel 4405: } elsif ($t->[0] eq 'E') {
4406: my ($tagname) = ($t->[1]);
4407: if ($javafiles{'codebase'} ne '') {
4408: $javafiles{'codebase'} .= '/';
4409: }
4410: if (lc($tagname) eq 'applet' ||
4411: lc($tagname) eq 'object' ||
4412: (lc($tagname) eq 'embed' && lc($state[-2]) ne 'object')
4413: ) {
4414: foreach my $item (keys(%javafiles)) {
4415: if ($item ne 'codebase' && $javafiles{$item} ne '') {
4416: my $file=$javafiles{'codebase'}.$javafiles{$item};
4417: &add_filetype($allfiles,$file,$item);
4418: }
4419: }
4420: }
4421: pop @state;
4422: }
4423: }
1.1164 raeburn 4424: foreach my $id (sort(keys(%flashvars))) {
4425: if ($shockwave{$id} ne '') {
4426: my @pairs = split(/\&/,$flashvars{$id});
4427: foreach my $pair (@pairs) {
4428: my ($key,$value) = split(/\=/,$pair);
4429: if ($key eq 'thumb') {
4430: &add_filetype($allfiles,$value,$key);
4431: } elsif ($key eq 'content') {
4432: my ($path) = ($shockwave{$id} =~ m{^(.+/)[^/]+$});
4433: my ($ext) = ($value =~ /\.([^.]+)$/);
4434: if ($ext ne '') {
4435: &add_filetype($allfiles,$path.$value,$ext);
4436: }
4437: }
4438: }
4439: }
4440: }
1.637 raeburn 4441: return 'ok';
4442: }
4443:
1.639 albertel 4444: sub add_filetype {
4445: my ($allfiles,$file,$type)=@_;
4446: if (exists($allfiles->{$file})) {
4447: unless (grep/^\Q$type\E$/, @{$allfiles->{$file}}) {
4448: push(@{$allfiles->{$file}}, &escape($type));
4449: }
4450: } else {
4451: @{$allfiles->{$file}} = (&escape($type));
1.637 raeburn 4452: }
4453: }
4454:
1.1164 raeburn 4455: sub embedded_dependency {
4456: my ($allfiles,$related,$identifier,$pathfrom) = @_;
4457: if ((ref($allfiles) eq 'HASH') && (ref($related) eq 'HASH')) {
4458: if (($identifier ne '') &&
4459: (ref($related->{$identifier}) eq 'ARRAY') &&
4460: ($pathfrom ne '')) {
4461: my ($path) = ($pathfrom =~ m{^(.+/)[^/]+$});
4462: foreach my $dep (@{$related->{$identifier}}) {
4463: &add_filetype($allfiles,$path.$dep,'object');
4464: }
4465: }
4466: }
4467: return;
4468: }
4469:
1.1401 raeburn 4470: sub bubblesheet_converter {
4471: my ($cdom,$fullpath,$config,$format) = @_;
4472: if ((&domain($cdom) ne '') &&
1.1403 raeburn 4473: ($fullpath =~ m{^\Q$perlvar{'lonDocRoot'}/userfiles/$cdom/\E$match_courseid/scantron_orig}) &&
1.1401 raeburn 4474: (-e $fullpath) && (ref($config) eq 'HASH') && ($format ne '')) {
1.1404 raeburn 4475: my (%csvcols,%csvoptions);
4476: if (ref($config->{'fields'}) eq 'HASH') {
4477: %csvcols = %{$config->{'fields'}};
4478: }
4479: if (ref($config->{'options'}) eq 'HASH') {
4480: %csvoptions = %{$config->{'options'}};
4481: }
1.1401 raeburn 4482: my %csvbynum = reverse(%csvcols);
4483: my %scantronconf = &get_scantron_config($format,$cdom);
4484: if (keys(%scantronconf)) {
4485: my %bynum = (
4486: $scantronconf{CODEstart} => 'CODEstart',
4487: $scantronconf{IDstart} => 'IDstart',
4488: $scantronconf{PaperID} => 'PaperID',
4489: $scantronconf{FirstName} => 'FirstName',
4490: $scantronconf{LastName} => 'LastName',
4491: $scantronconf{Qstart} => 'Qstart',
4492: );
4493: my @ordered;
4494: foreach my $item (sort { $a <=> $b } keys(%bynum)) {
1.1403 raeburn 4495: push(@ordered,$bynum{$item});
1.1401 raeburn 4496: }
4497: my %mapstart = (
4498: CODEstart => 'CODE',
4499: IDstart => 'ID',
4500: PaperID => 'PaperID',
4501: FirstName => 'FirstName',
4502: LastName => 'LastName',
4503: Qstart => 'FirstQuestion',
4504: );
4505: my %maplength = (
4506: CODEstart => 'CODElength',
4507: IDstart => 'IDlength',
4508: PaperID => 'PaperIDlength',
4509: FirstName => 'FirstNamelength',
4510: LastName => 'LastNamelength',
4511: );
4512: if (open(my $fh,'<',$fullpath)) {
4513: my $output;
1.1403 raeburn 4514: my %lettdig = &letter_to_digits();
4515: my %diglett = reverse(%lettdig);
4516: my $numletts = scalar(keys(%lettdig));
1.1404 raeburn 4517: my $num = 0;
1.1401 raeburn 4518: while (my $line=<$fh>) {
1.1404 raeburn 4519: $num ++;
4520: next if (($num == 1) && ($csvoptions{'hdr'} == 1));
1.1401 raeburn 4521: $line =~ s{[\r\n]+$}{};
4522: my %found;
4523: my @values = split(/,/,$line);
4524: my ($qstart,$record);
4525: for (my $i=0; $i<@values; $i++) {
1.1403 raeburn 4526: if ((($qstart ne '') && ($i > $qstart)) ||
4527: ($csvbynum{$i} eq 'FirstQuestion')) {
4528: if ($values[$i] eq '') {
4529: $values[$i] = $scantronconf{'Qoff'};
4530: } elsif ($scantronconf{'Qon'} eq 'number') {
4531: if ($values[$i] =~ /^[A-Ja-j]$/) {
4532: $values[$i] = $lettdig{uc($values[$i])};
4533: }
4534: } elsif ($scantronconf{'Qon'} eq 'letter') {
4535: if ($values[$i] =~ /^[0-9]$/) {
4536: $values[$i] = $diglett{$values[$i]};
4537: }
4538: } else {
4539: if ($values[$i] =~ /^[0-9A-Ja-j]$/) {
4540: my $digit;
4541: if ($values[$i] =~ /^[A-Ja-j]$/) {
4542: $digit = $lettdig{uc($values[$i])}-1;
4543: if ($values[$i] eq 'J') {
4544: $digit += $numletts;
4545: }
4546: } elsif ($values[$i] =~ /^[0-9]$/) {
4547: $digit = $values[$i]-1;
4548: if ($values[$i] eq '0') {
4549: $digit += $numletts;
4550: }
4551: }
4552: my $qval='';
4553: for (my $j=0; $j<$scantronconf{'Qlength'}; $j++) {
4554: if ($j == $digit) {
4555: $qval .= $scantronconf{'Qon'};
4556: } else {
4557: $qval .= $scantronconf{'Qoff'};
4558: }
4559: }
4560: $values[$i] = $qval;
4561: }
4562: }
4563: if (length($values[$i]) > $scantronconf{'Qlength'}) {
4564: $values[$i] = substr($values[$i],0,$scantronconf{'Qlength'});
4565: }
4566: my $numblank = $scantronconf{'Qlength'} - length($values[$i]);
4567: if ($numblank > 0) {
4568: $values[$i] .= ($scantronconf{'Qoff'} x $numblank);
4569: }
1.1401 raeburn 4570: if ($csvbynum{$i} eq 'FirstQuestion') {
4571: $qstart = $i;
1.1403 raeburn 4572: $found{$csvbynum{$i}} = $values[$i];
1.1401 raeburn 4573: } else {
1.1403 raeburn 4574: $found{'FirstQuestion'} .= $values[$i];
4575: }
4576: } elsif (exists($csvbynum{$i})) {
1.1404 raeburn 4577: if ($csvoptions{'rem'}) {
4578: $values[$i] =~ s/^\s+//;
4579: }
4580: if (($csvbynum{$i} eq 'PaperID') && ($csvoptions{'pad'})) {
1.1403 raeburn 4581: while (length($values[$i]) < $scantronconf{$maplength{$csvbynum{$i}}}) {
4582: $values[$i] = '0'.$values[$i];
1.1401 raeburn 4583: }
4584: }
4585: $found{$csvbynum{$i}} = $values[$i];
4586: }
4587: }
4588: foreach my $item (@ordered) {
4589: my $currlength = 1+length($record);
4590: my $numspaces = $scantronconf{$item} - $currlength;
4591: if ($numspaces > 0) {
4592: $record .= (' ' x $numspaces);
4593: }
4594: if (($mapstart{$item} ne '') && (exists($found{$mapstart{$item}}))) {
4595: unless ($item eq 'Qstart') {
4596: if (length($found{$mapstart{$item}}) > $scantronconf{$maplength{$item}}) {
4597: $found{$mapstart{$item}} = substr($found{$mapstart{$item}},0,$scantronconf{$maplength{$item}});
4598: }
4599: }
4600: $record .= $found{$mapstart{$item}};
4601: }
4602: }
4603: $output .= "$record\n";
4604: }
4605: close($fh);
4606: if ($output) {
4607: if (open(my $fh,'>',$fullpath)) {
4608: print $fh $output;
4609: close($fh);
4610: }
4611: }
4612: }
4613: }
4614: return;
4615: }
4616: }
4617:
1.1403 raeburn 4618: sub letter_to_digits {
4619: my %lettdig = (
4620: A => 1,
4621: B => 2,
4622: C => 3,
4623: D => 4,
4624: E => 5,
4625: F => 6,
4626: G => 7,
4627: H => 8,
4628: I => 9,
4629: J => 0,
4630: );
4631: return %lettdig;
4632: }
4633:
1.1401 raeburn 4634: sub get_scantron_config {
4635: my ($which,$cdom) = @_;
4636: my @lines = &get_scantronformat_file($cdom);
4637: my %config;
4638: #FIXME probably should move to XML it has already gotten a bit much now
4639: foreach my $line (@lines) {
4640: my ($name,$descrip)=split(/:/,$line);
4641: if ($name ne $which ) { next; }
4642: chomp($line);
4643: my @config=split(/:/,$line);
4644: $config{'name'}=$config[0];
4645: $config{'description'}=$config[1];
4646: $config{'CODElocation'}=$config[2];
4647: $config{'CODEstart'}=$config[3];
4648: $config{'CODElength'}=$config[4];
4649: $config{'IDstart'}=$config[5];
4650: $config{'IDlength'}=$config[6];
4651: $config{'Qstart'}=$config[7];
4652: $config{'Qlength'}=$config[8];
4653: $config{'Qoff'}=$config[9];
4654: $config{'Qon'}=$config[10];
4655: $config{'PaperID'}=$config[11];
4656: $config{'PaperIDlength'}=$config[12];
4657: $config{'FirstName'}=$config[13];
4658: $config{'FirstNamelength'}=$config[14];
4659: $config{'LastName'}=$config[15];
4660: $config{'LastNamelength'}=$config[16];
4661: $config{'BubblesPerRow'}=$config[17];
4662: last;
4663: }
4664: return %config;
4665: }
4666:
4667: sub get_scantronformat_file {
4668: my ($cdom) = @_;
4669: if ($cdom eq '') {
4670: $cdom= $env{'course.'.$env{'request.course.id'}.'.domain'};
4671: }
4672: my %domconfig = &get_dom('configuration',['scantron'],$cdom);
4673: my $gottab = 0;
4674: my @lines;
4675: if (ref($domconfig{'scantron'}) eq 'HASH') {
4676: if ($domconfig{'scantron'}{'scantronformat'} ne '') {
4677: my $formatfile = &getfile($perlvar{'lonDocRoot'}.$domconfig{'scantron'}{'scantronformat'});
4678: if ($formatfile ne '-1') {
4679: @lines = split("\n",$formatfile,-1);
4680: $gottab = 1;
4681: }
4682: }
4683: }
4684: if (!$gottab) {
4685: my $confname = $cdom.'-domainconfig';
4686: my $default = $perlvar{'lonDocRoot'}.'/res/'.$cdom.'/'.$confname.'/default.tab';
4687: my $formatfile = &getfile($default);
4688: if ($formatfile ne '-1') {
4689: @lines = split("\n",$formatfile,-1);
4690: $gottab = 1;
4691: }
4692: }
4693: if (!$gottab) {
4694: my @domains = ¤t_machine_domains();
4695: if (grep(/^\Q$cdom\E$/,@domains)) {
4696: if (open(my $fh,'<',$perlvar{'lonTabDir'}.'/scantronformat.tab')) {
4697: @lines = <$fh>;
4698: close($fh);
1.1403 raeburn 4699: }
1.1401 raeburn 4700: } else {
4701: if (open(my $fh,'<',$perlvar{'lonTabDir'}.'/default_scantronformat.tab')) {
4702: @lines = <$fh>;
4703: close($fh);
4704: }
4705: }
4706: }
4707: return @lines;
4708: }
4709:
1.493 albertel 4710: sub removeuploadedurl {
1.984 neumanie 4711: my ($url)=@_;
4712: my (undef,undef,$udom,$uname,$fname)=split('/',$url,5);
1.613 albertel 4713: return &removeuserfile($uname,$udom,$fname);
1.490 albertel 4714: }
4715:
4716: sub removeuserfile {
4717: my ($docuname,$docudom,$fname)=@_;
1.984 neumanie 4718: my $home=&homeserver($docuname,$docudom);
1.798 raeburn 4719: my $result = &reply("removeuserfile:$docudom/$docuname/$fname",$home);
1.984 neumanie 4720: if ($result eq 'ok') {
1.798 raeburn 4721: if (($fname !~ /\.meta$/) && (&is_portfolio_file($fname))) {
4722: my $metafile = $fname.'.meta';
4723: my $metaresult = &removeuserfile($docuname,$docudom,$metafile);
1.823 albertel 4724: my $url = "/uploaded/$docudom/$docuname/$fname";
1.984 neumanie 4725: my ($file,$group) = (&parse_portfolio_url($url))[3,4];
1.821 raeburn 4726: my $sqlresult =
1.823 albertel 4727: &update_portfolio_table($docuname,$docudom,$file,
1.821 raeburn 4728: 'portfolio_metadata',$group,
4729: 'delete');
1.798 raeburn 4730: }
4731: }
4732: return $result;
1.257 www 4733: }
1.15 www 4734:
1.530 albertel 4735: sub mkdiruserfile {
4736: my ($docuname,$docudom,$dir)=@_;
4737: my $home=&homeserver($docuname,$docudom);
4738: return &reply("mkdiruserfile:".&escape("$docudom/$docuname/$dir"),$home);
4739: }
4740:
1.531 albertel 4741: sub renameuserfile {
4742: my ($docuname,$docudom,$old,$new)=@_;
4743: my $home=&homeserver($docuname,$docudom);
1.798 raeburn 4744: my $result = &reply("renameuserfile:$docudom:$docuname:".
4745: &escape("$old").':'.&escape("$new"),$home);
4746: if ($result eq 'ok') {
4747: if (($old !~ /\.meta$/) && (&is_portfolio_file($old))) {
4748: my $oldmeta = $old.'.meta';
4749: my $newmeta = $new.'.meta';
4750: my $metaresult =
4751: &renameuserfile($docuname,$docudom,$oldmeta,$newmeta);
1.823 albertel 4752: my $url = "/uploaded/$docudom/$docuname/$old";
4753: my ($file,$group) = (&parse_portfolio_url($url))[3,4];
1.821 raeburn 4754: my $sqlresult =
1.823 albertel 4755: &update_portfolio_table($docuname,$docudom,$file,
1.821 raeburn 4756: 'portfolio_metadata',$group,
4757: 'delete');
1.798 raeburn 4758: }
4759: }
4760: return $result;
1.531 albertel 4761: }
4762:
1.14 www 4763: # ------------------------------------------------------------------------- Log
4764:
4765: sub log {
4766: my ($dom,$nam,$hom,$what)=@_;
1.47 www 4767: return critical("log:$dom:$nam:$what",$hom);
1.157 www 4768: }
4769:
4770: # ------------------------------------------------------------------ Course Log
1.352 www 4771: #
4772: # This routine flushes several buffers of non-mission-critical nature
4773: #
1.157 www 4774:
4775: sub flushcourselogs {
1.352 www 4776: &logthis('Flushing log buffers');
4777: #
4778: # course logs
4779: # This is a log of all transactions in a course, which can be used
4780: # for data mining purposes
4781: #
4782: # It also collects the courseid database, which lists last transaction
4783: # times and course titles for all courseids
4784: #
4785: my %courseidbuffer=();
1.921 raeburn 4786: foreach my $crsid (keys(%courselogs)) {
1.352 www 4787: if (&reply('log:'.$coursedombuf{$crsid}.':'.$coursenumbuf{$crsid}.':'.
1.188 www 4788: &escape($courselogs{$crsid}),
4789: $coursehombuf{$crsid}) eq 'ok') {
1.157 www 4790: delete $courselogs{$crsid};
4791: } else {
4792: &logthis('Failed to flush log buffer for '.$crsid);
4793: if (length($courselogs{$crsid})>40000) {
1.672 albertel 4794: &logthis("<font color=\"blue\">WARNING: Buffer for ".$crsid.
1.157 www 4795: " exceeded maximum size, deleting.</font>");
4796: delete $courselogs{$crsid};
4797: }
1.352 www 4798: }
1.920 raeburn 4799: $courseidbuffer{$coursehombuf{$crsid}}{$crsid} = {
1.936 raeburn 4800: 'description' => $coursedescrbuf{$crsid},
4801: 'inst_code' => $courseinstcodebuf{$crsid},
4802: 'type' => $coursetypebuf{$crsid},
4803: 'owner' => $courseownerbuf{$crsid},
1.920 raeburn 4804: };
1.191 harris41 4805: }
1.352 www 4806: #
4807: # Write course id database (reverse lookup) to homeserver of courses
4808: # Is used in pickcourse
4809: #
1.840 albertel 4810: foreach my $crs_home (keys(%courseidbuffer)) {
1.918 raeburn 4811: my $response = &courseidput(&host_domain($crs_home),
1.921 raeburn 4812: $courseidbuffer{$crs_home},
4813: $crs_home,'timeonly');
1.352 www 4814: }
4815: #
4816: # File accesses
4817: # Writes to the dynamic metadata of resources to get hit counts, etc.
4818: #
1.449 matthew 4819: foreach my $entry (keys(%accesshash)) {
1.458 matthew 4820: if ($entry =~ /___count$/) {
4821: my ($dom,$name);
1.807 albertel 4822: ($dom,$name,undef)=
1.811 albertel 4823: ($entry=~m{___($match_domain)/($match_name)/(.*)___count$});
1.458 matthew 4824: if (! defined($dom) || $dom eq '' ||
4825: ! defined($name) || $name eq '') {
1.620 albertel 4826: my $cid = $env{'request.course.id'};
4827: $dom = $env{'request.'.$cid.'.domain'};
4828: $name = $env{'request.'.$cid.'.num'};
1.458 matthew 4829: }
1.450 matthew 4830: my $value = $accesshash{$entry};
4831: my (undef,$url,undef) = ($entry =~ /^(.*)___(.*)___count$/);
4832: my %temphash=($url => $value);
1.449 matthew 4833: my $result = &inc('nohist_accesscount',\%temphash,$dom,$name);
4834: if ($result eq 'ok') {
4835: delete $accesshash{$entry};
4836: }
4837: } else {
1.811 albertel 4838: my ($dom,$name) = ($entry=~m{___($match_domain)/($match_name)/(.*)___(\w+)$});
1.1159 www 4839: if (($dom eq 'uploaded') || ($dom eq 'adm')) { next; }
1.450 matthew 4840: my %temphash=($entry => $accesshash{$entry});
1.449 matthew 4841: if (&put('nohist_resevaldata',\%temphash,$dom,$name) eq 'ok') {
4842: delete $accesshash{$entry};
4843: }
1.185 www 4844: }
1.191 harris41 4845: }
1.352 www 4846: #
4847: # Roles
4848: # Reverse lookup of user roles for course faculty/staff and co-authorship
4849: #
1.800 albertel 4850: foreach my $entry (keys(%userrolehash)) {
1.351 www 4851: my ($role,$uname,$udom,$runame,$rudom,$rsec)=
1.349 www 4852: split(/\:/,$entry);
4853: if (&Apache::lonnet::put('nohist_userroles',
1.351 www 4854: { $role.':'.$uname.':'.$udom.':'.$rsec => $userrolehash{$entry} },
1.349 www 4855: $rudom,$runame) eq 'ok') {
4856: delete $userrolehash{$entry};
4857: }
4858: }
1.662 raeburn 4859: #
1.1334 raeburn 4860: # Reverse lookup of domain roles (dc, ad, li, sc, dh, da, au)
1.662 raeburn 4861: #
4862: my %domrolebuffer = ();
1.1000 raeburn 4863: foreach my $entry (keys(%domainrolehash)) {
1.901 albertel 4864: my ($role,$uname,$udom,$runame,$rudom,$rsec)=split(/:/,$entry);
1.662 raeburn 4865: if ($domrolebuffer{$rudom}) {
4866: $domrolebuffer{$rudom}.='&'.&escape($entry).
4867: '='.&escape($domainrolehash{$entry});
4868: } else {
4869: $domrolebuffer{$rudom}.=&escape($entry).
4870: '='.&escape($domainrolehash{$entry});
4871: }
4872: delete $domainrolehash{$entry};
4873: }
4874: foreach my $dom (keys(%domrolebuffer)) {
1.1324 raeburn 4875: my %servers;
4876: if (defined(&domain($dom,'primary'))) {
4877: my $primary=&domain($dom,'primary');
4878: my $hostname=&hostname($primary);
4879: $servers{$primary} = $hostname;
4880: } else {
4881: %servers = &get_servers($dom,'library');
4882: }
1.841 albertel 4883: foreach my $tryserver (keys(%servers)) {
1.1324 raeburn 4884: if (&reply('domroleput:'.$dom.':'.
4885: $domrolebuffer{$dom},$tryserver) eq 'ok') {
4886: last;
4887: } else {
1.841 albertel 4888: &logthis('Put of domain roles failed for '.$dom.' and '.$tryserver);
4889: }
1.662 raeburn 4890: }
4891: }
1.186 www 4892: $dumpcount++;
1.157 www 4893: }
4894:
4895: sub courselog {
4896: my $what=shift;
1.158 www 4897: $what=time.':'.$what;
1.620 albertel 4898: unless ($env{'request.course.id'}) { return ''; }
4899: $coursedombuf{$env{'request.course.id'}}=
4900: $env{'course.'.$env{'request.course.id'}.'.domain'};
4901: $coursenumbuf{$env{'request.course.id'}}=
4902: $env{'course.'.$env{'request.course.id'}.'.num'};
4903: $coursehombuf{$env{'request.course.id'}}=
4904: $env{'course.'.$env{'request.course.id'}.'.home'};
4905: $coursedescrbuf{$env{'request.course.id'}}=
4906: $env{'course.'.$env{'request.course.id'}.'.description'};
4907: $courseinstcodebuf{$env{'request.course.id'}}=
4908: $env{'course.'.$env{'request.course.id'}.'.internal.coursecode'};
4909: $courseownerbuf{$env{'request.course.id'}}=
4910: $env{'course.'.$env{'request.course.id'}.'.internal.courseowner'};
1.741 raeburn 4911: $coursetypebuf{$env{'request.course.id'}}=
4912: $env{'course.'.$env{'request.course.id'}.'.type'};
1.620 albertel 4913: if (defined $courselogs{$env{'request.course.id'}}) {
4914: $courselogs{$env{'request.course.id'}}.='&'.$what;
1.157 www 4915: } else {
1.620 albertel 4916: $courselogs{$env{'request.course.id'}}.=$what;
1.157 www 4917: }
1.620 albertel 4918: if (length($courselogs{$env{'request.course.id'}})>4048) {
1.157 www 4919: &flushcourselogs();
4920: }
1.158 www 4921: }
4922:
4923: sub courseacclog {
4924: my $fnsymb=shift;
1.620 albertel 4925: unless ($env{'request.course.id'}) { return ''; }
4926: my $what=$fnsymb.':'.$env{'user.name'}.':'.$env{'user.domain'};
1.1144 www 4927: if ($fnsymb=~/$LONCAPA::assess_re/) {
1.187 www 4928: $what.=':POST';
1.583 matthew 4929: # FIXME: Probably ought to escape things....
1.800 albertel 4930: foreach my $key (keys(%env)) {
4931: if ($key=~/^form\.(.*)/) {
1.975 raeburn 4932: my $formitem = $1;
4933: if ($formitem =~ /^HWFILE(?:SIZE|TOOBIG)/) {
4934: $what.=':'.$formitem.'='.$env{$key};
4935: } elsif ($formitem !~ /^HWFILE(?:[^.]+)$/) {
4936: $what.=':'.$formitem.'='.$env{$key};
4937: }
1.158 www 4938: }
1.191 harris41 4939: }
1.583 matthew 4940: } elsif ($fnsymb =~ m:^/adm/searchcat:) {
4941: # FIXME: We should not be depending on a form parameter that someone
4942: # editing lonsearchcat.pm might change in the future.
1.620 albertel 4943: if ($env{'form.phase'} eq 'course_search') {
1.583 matthew 4944: $what.= ':POST';
4945: # FIXME: Probably ought to escape things....
4946: foreach my $element ('courseexp','crsfulltext','crsrelated',
4947: 'crsdiscuss') {
1.620 albertel 4948: $what.=':'.$element.'='.$env{'form.'.$element};
1.583 matthew 4949: }
4950: }
1.158 www 4951: }
4952: &courselog($what);
1.149 www 4953: }
4954:
1.185 www 4955: sub countacc {
4956: my $url=&declutter(shift);
1.458 matthew 4957: return if (! defined($url) || $url eq '');
1.620 albertel 4958: unless ($env{'request.course.id'}) { return ''; }
1.1158 www 4959: #
4960: # Mark that this url was used in this course
4961: #
1.620 albertel 4962: $accesshash{$env{'request.course.id'}.'___'.$url.'___course'}=1;
1.1158 www 4963: #
4964: # Increase the access count for this resource in this child process
4965: #
1.281 www 4966: my $key=$$.$processmarker.'_'.$dumpcount.'___'.$url.'___count';
1.450 matthew 4967: $accesshash{$key}++;
1.185 www 4968: }
1.349 www 4969:
1.361 www 4970: sub linklog {
4971: my ($from,$to)=@_;
4972: $from=&declutter($from);
4973: $to=&declutter($to);
4974: $accesshash{$from.'___'.$to.'___comefrom'}=1;
4975: $accesshash{$to.'___'.$from.'___goto'}=1;
4976: }
1.1160 www 4977:
4978: sub statslog {
4979: my ($symb,$part,$users,$av_attempts,$degdiff)=@_;
4980: if ($users<2) { return; }
4981: my %dynstore=&LONCAPA::lonmetadata::dynamic_metadata_storage({
4982: 'course' => $env{'request.course.id'},
4983: 'sections' => '"all"',
4984: 'num_students' => $users,
4985: 'part' => $part,
4986: 'symb' => $symb,
4987: 'mean_tries' => $av_attempts,
4988: 'deg_of_diff' => $degdiff});
4989: foreach my $key (keys(%dynstore)) {
4990: $accesshash{$key}=$dynstore{$key};
4991: }
4992: }
1.361 www 4993:
1.349 www 4994: sub userrolelog {
4995: my ($trole,$username,$domain,$area,$tstart,$tend)=@_;
1.1169 droeschl 4996: if ( $trole =~ /^(ca|aa|in|cc|ep|cr|ta|co)/ ) {
1.350 www 4997: my (undef,$rudom,$runame,$rsec)=split(/\//,$area);
4998: $userrolehash
4999: {$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec}
1.349 www 5000: =$tend.':'.$tstart;
1.662 raeburn 5001: }
1.1169 droeschl 5002: if ($env{'request.role'} =~ /dc\./ && $trole =~ /^(au|in|cc|ep|cr|ta|co)/) {
1.898 albertel 5003: $userrolehash
5004: {$trole.':'.$username.':'.$domain.':'.$env{'user.name'}.':'.$env{'user.domain'}.':'}
5005: =$tend.':'.$tstart;
5006: }
1.1334 raeburn 5007: if ($trole =~ /^(dc|ad|li|au|dg|sc|dh|da)/ ) {
1.662 raeburn 5008: my (undef,$rudom,$runame,$rsec)=split(/\//,$area);
5009: $domainrolehash
5010: {$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec}
5011: = $tend.':'.$tstart;
5012: }
1.351 www 5013: }
5014:
1.957 raeburn 5015: sub courserolelog {
5016: my ($trole,$username,$domain,$area,$tstart,$tend,$delflag,$selfenroll,$context)=@_;
1.1184 raeburn 5017: if ($area =~ m-^/($match_domain)/($match_courseid)/?([^/]*)-) {
5018: my $cdom = $1;
5019: my $cnum = $2;
5020: my $sec = $3;
5021: my $namespace = 'rolelog';
5022: my %storehash = (
5023: role => $trole,
5024: start => $tstart,
5025: end => $tend,
5026: selfenroll => $selfenroll,
5027: context => $context,
5028: );
5029: if ($trole eq 'gr') {
5030: $namespace = 'groupslog';
5031: $storehash{'group'} = $sec;
5032: } else {
5033: $storehash{'section'} = $sec;
5034: }
1.1188 raeburn 5035: &write_log('course',$namespace,\%storehash,$delflag,$username,
5036: $domain,$cnum,$cdom);
1.1184 raeburn 5037: if (($trole ne 'st') || ($sec ne '')) {
5038: &devalidate_cache_new('getcourseroles',$cdom.'_'.$cnum);
1.957 raeburn 5039: }
5040: }
5041: return;
5042: }
5043:
1.1184 raeburn 5044: sub domainrolelog {
5045: my ($trole,$username,$domain,$area,$tstart,$tend,$delflag,$context)=@_;
5046: if ($area =~ m{^/($match_domain)/$}) {
5047: my $cdom = $1;
5048: my $domconfiguser = &Apache::lonnet::get_domainconfiguser($cdom);
5049: my $namespace = 'rolelog';
5050: my %storehash = (
5051: role => $trole,
5052: start => $tstart,
5053: end => $tend,
5054: context => $context,
5055: );
1.1188 raeburn 5056: &write_log('domain',$namespace,\%storehash,$delflag,$username,
5057: $domain,$domconfiguser,$cdom);
1.1184 raeburn 5058: }
5059: return;
5060:
5061: }
5062:
5063: sub coauthorrolelog {
5064: my ($trole,$username,$domain,$area,$tstart,$tend,$delflag,$context)=@_;
5065: if ($area =~ m{^/($match_domain)/($match_username)$}) {
5066: my $audom = $1;
5067: my $auname = $2;
5068: my $namespace = 'rolelog';
5069: my %storehash = (
5070: role => $trole,
5071: start => $tstart,
5072: end => $tend,
5073: context => $context,
5074: );
1.1188 raeburn 5075: &write_log('author',$namespace,\%storehash,$delflag,$username,
5076: $domain,$auname,$audom);
1.1184 raeburn 5077: }
5078: return;
5079: }
5080:
1.351 www 5081: sub get_course_adv_roles {
1.948 raeburn 5082: my ($cid,$codes) = @_;
1.620 albertel 5083: $cid=$env{'request.course.id'} unless (defined($cid));
1.351 www 5084: my %coursehash=&coursedescription($cid);
1.988 raeburn 5085: my $crstype = &Apache::loncommon::course_type($cid);
1.470 www 5086: my %nothide=();
1.800 albertel 5087: foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
1.937 raeburn 5088: if ($user !~ /:/) {
5089: $nothide{join(':',split(/[\@]/,$user))}=1;
5090: } else {
5091: $nothide{$user}=1;
5092: }
1.470 www 5093: }
1.1219 raeburn 5094: my @possdoms = ($coursehash{'domain'});
5095: if ($coursehash{'checkforpriv'}) {
5096: push(@possdoms,split(/,/,$coursehash{'checkforpriv'}));
5097: }
1.351 www 5098: my %returnhash=();
5099: my %dumphash=
5100: &dump('nohist_userroles',$coursehash{'domain'},$coursehash{'num'});
5101: my $now=time;
1.997 raeburn 5102: my %privileged;
1.1000 raeburn 5103: foreach my $entry (keys(%dumphash)) {
1.800 albertel 5104: my ($tend,$tstart)=split(/\:/,$dumphash{$entry});
1.351 www 5105: if (($tstart) && ($tstart<0)) { next; }
5106: if (($tend) && ($tend<$now)) { next; }
5107: if (($tstart) && ($now<$tstart)) { next; }
1.800 albertel 5108: my ($role,$username,$domain,$section)=split(/\:/,$entry);
1.576 albertel 5109: if ($username eq '' || $domain eq '') { next; }
1.1219 raeburn 5110: if ((&privileged($username,$domain,\@possdoms)) &&
1.997 raeburn 5111: (!$nothide{$username.':'.$domain})) { next; }
1.656 albertel 5112: if ($role eq 'cr') { next; }
1.948 raeburn 5113: if ($codes) {
5114: if ($section) { $role .= ':'.$section; }
5115: if ($returnhash{$role}) {
5116: $returnhash{$role}.=','.$username.':'.$domain;
5117: } else {
5118: $returnhash{$role}=$username.':'.$domain;
5119: }
1.351 www 5120: } else {
1.988 raeburn 5121: my $key=&plaintext($role,$crstype);
1.973 bisitz 5122: if ($section) { $key.=' ('.&Apache::lonlocal::mt('Section [_1]',$section).')'; }
1.948 raeburn 5123: if ($returnhash{$key}) {
5124: $returnhash{$key}.=','.$username.':'.$domain;
5125: } else {
5126: $returnhash{$key}=$username.':'.$domain;
5127: }
1.351 www 5128: }
1.948 raeburn 5129: }
1.400 www 5130: return %returnhash;
5131: }
5132:
5133: sub get_my_roles {
1.937 raeburn 5134: my ($uname,$udom,$context,$types,$roles,$roledoms,$withsec,$hidepriv)=@_;
1.620 albertel 5135: unless (defined($uname)) { $uname=$env{'user.name'}; }
5136: unless (defined($udom)) { $udom=$env{'user.domain'}; }
1.937 raeburn 5137: my (%dumphash,%nothide);
1.1086 raeburn 5138: if ($context eq 'userroles') {
1.1166 raeburn 5139: %dumphash = &dump('roles',$udom,$uname);
1.858 raeburn 5140: } else {
1.1219 raeburn 5141: %dumphash = &dump('nohist_userroles',$udom,$uname);
1.937 raeburn 5142: if ($hidepriv) {
5143: my %coursehash=&coursedescription($udom.'_'.$uname);
5144: foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
5145: if ($user !~ /:/) {
5146: $nothide{join(':',split(/[\@]/,$user))} = 1;
5147: } else {
5148: $nothide{$user} = 1;
5149: }
5150: }
5151: }
1.858 raeburn 5152: }
1.400 www 5153: my %returnhash=();
5154: my $now=time;
1.999 raeburn 5155: my %privileged;
1.800 albertel 5156: foreach my $entry (keys(%dumphash)) {
1.867 raeburn 5157: my ($role,$tend,$tstart);
5158: if ($context eq 'userroles') {
1.1149 raeburn 5159: next if ($entry =~ /^rolesdef/);
1.867 raeburn 5160: ($role,$tend,$tstart)=split(/_/,$dumphash{$entry});
5161: } else {
5162: ($tend,$tstart)=split(/\:/,$dumphash{$entry});
5163: }
1.400 www 5164: if (($tstart) && ($tstart<0)) { next; }
1.832 raeburn 5165: my $status = 'active';
1.939 raeburn 5166: if (($tend) && ($tend<=$now)) {
1.832 raeburn 5167: $status = 'previous';
5168: }
5169: if (($tstart) && ($now<$tstart)) {
5170: $status = 'future';
5171: }
5172: if (ref($types) eq 'ARRAY') {
5173: if (!grep(/^\Q$status\E$/,@{$types})) {
5174: next;
5175: }
5176: } else {
5177: if ($status ne 'active') {
5178: next;
5179: }
5180: }
1.867 raeburn 5181: my ($rolecode,$username,$domain,$section,$area);
5182: if ($context eq 'userroles') {
1.1186 raeburn 5183: ($area,$rolecode) = ($entry =~ /^(.+)_([^_]+)$/);
1.867 raeburn 5184: (undef,$domain,$username,$section) = split(/\//,$area);
5185: } else {
5186: ($role,$username,$domain,$section) = split(/\:/,$entry);
5187: }
1.832 raeburn 5188: if (ref($roledoms) eq 'ARRAY') {
5189: if (!grep(/^\Q$domain\E$/,@{$roledoms})) {
5190: next;
5191: }
5192: }
5193: if (ref($roles) eq 'ARRAY') {
5194: if (!grep(/^\Q$role\E$/,@{$roles})) {
1.922 raeburn 5195: if ($role =~ /^cr\//) {
5196: if (!grep(/^cr$/,@{$roles})) {
5197: next;
5198: }
1.1104 raeburn 5199: } elsif ($role =~ /^gr\//) {
5200: if (!grep(/^gr$/,@{$roles})) {
5201: next;
5202: }
1.922 raeburn 5203: } else {
5204: next;
5205: }
1.832 raeburn 5206: }
1.867 raeburn 5207: }
1.937 raeburn 5208: if ($hidepriv) {
1.1219 raeburn 5209: my @privroles = ('dc','su');
1.999 raeburn 5210: if ($context eq 'userroles') {
1.1219 raeburn 5211: next if (grep(/^\Q$role\E$/,@privroles));
1.999 raeburn 5212: } else {
1.1219 raeburn 5213: my $possdoms = [$domain];
5214: if (ref($roledoms) eq 'ARRAY') {
5215: push(@{$possdoms},@{$roledoms});
1.999 raeburn 5216: }
1.1219 raeburn 5217: if (&privileged($username,$domain,$possdoms,\@privroles)) {
1.999 raeburn 5218: if (!$nothide{$username.':'.$domain}) {
5219: next;
5220: }
5221: }
1.937 raeburn 5222: }
5223: }
1.933 raeburn 5224: if ($withsec) {
5225: $returnhash{$username.':'.$domain.':'.$role.':'.$section} =
5226: $tstart.':'.$tend;
5227: } else {
5228: $returnhash{$username.':'.$domain.':'.$role}=$tstart.':'.$tend;
5229: }
1.832 raeburn 5230: }
1.373 www 5231: return %returnhash;
1.399 www 5232: }
5233:
1.1333 raeburn 5234: sub get_all_adhocroles {
5235: my ($dom) = @_;
5236: my @roles_by_num = ();
5237: my %domdefaults = &get_domain_defaults($dom);
5238: my (%description,%access_in_dom,%access_info);
5239: if (ref($domdefaults{'adhocroles'}) eq 'HASH') {
5240: my $count = 0;
5241: my %domcurrent = %{$domdefaults{'adhocroles'}};
5242: my %ordered;
5243: foreach my $role (sort(keys(%domcurrent))) {
5244: my ($order,$desc,$access_in_dom);
5245: if (ref($domcurrent{$role}) eq 'HASH') {
5246: $order = $domcurrent{$role}{'order'};
5247: $desc = $domcurrent{$role}{'desc'};
5248: $access_in_dom{$role} = $domcurrent{$role}{'access'};
5249: $access_info{$role} = $domcurrent{$role}{$access_in_dom{$role}};
5250: }
5251: if ($order eq '') {
5252: $order = $count;
5253: }
5254: $ordered{$order} = $role;
5255: if ($desc ne '') {
5256: $description{$role} = $desc;
5257: } else {
5258: $description{$role}= $role;
5259: }
5260: $count++;
5261: }
5262: foreach my $item (sort {$a <=> $b } (keys(%ordered))) {
5263: push(@roles_by_num,$ordered{$item});
5264: }
5265: }
5266: return (\@roles_by_num,\%description,\%access_in_dom,\%access_info);
5267: }
5268:
1.1332 raeburn 5269: sub get_my_adhocroles {
1.1333 raeburn 5270: my ($cid,$checkreg) = @_;
5271: my ($cdom,$cnum,%info,@possroles,$description,$roles_by_num);
5272: if ($env{'request.course.id'} eq $cid) {
5273: $cdom = $env{'course.'.$cid.'.domain'};
5274: $cnum = $env{'course.'.$cid.'.num'};
5275: $info{'internal.coursecode'} = $env{'course.'.$cid.'.internal.coursecode'};
5276: } elsif ($cid =~ /^($match_domain)_($match_courseid)$/) {
5277: $cdom = $1;
5278: $cnum = $2;
5279: %info = &Apache::lonnet::get('environment',['internal.coursecode'],
5280: $cdom,$cnum);
5281: }
5282: if (($info{'internal.coursecode'} ne '') && ($checkreg)) {
5283: my $user = $env{'user.name'}.':'.$env{'user.domain'};
5284: my %rosterhash = &get('classlist',[$user],$cdom,$cnum);
5285: if ($rosterhash{$user} ne '') {
5286: my $type = (split(/:/,$rosterhash{$user}))[5];
5287: return ([],{}) if ($type eq 'auto');
5288: }
5289: }
5290: if (($cdom ne '') && ($cnum ne '')) {
1.1334 raeburn 5291: if (($env{"user.role.dh./$cdom/"}) || ($env{"user.role.da./$cdom/"})) {
1.1332 raeburn 5292: my $then=$env{'user.login.time'};
5293: my $update=$env{'user.update.time'};
1.1335 raeburn 5294: if (!$update) {
5295: $update = $then;
5296: }
5297: my @liveroles;
1.1334 raeburn 5298: foreach my $role ('dh','da') {
5299: if ($env{"user.role.$role./$cdom/"}) {
1.1335 raeburn 5300: my ($tstart,$tend)=split(/\./,$env{"user.role.$role./$cdom/"});
1.1334 raeburn 5301: my $limit = $update;
5302: if ($env{'request.role'} eq "$role./$cdom/") {
5303: $limit = $then;
5304: }
1.1335 raeburn 5305: my $activerole = 1;
5306: if ($tstart && $tstart>$limit) { $activerole = 0; }
5307: if ($tend && $tend <$limit) { $activerole = 0; }
5308: if ($activerole) {
5309: push(@liveroles,$role);
5310: }
1.1334 raeburn 5311: }
1.1332 raeburn 5312: }
1.1335 raeburn 5313: if (@liveroles) {
1.1332 raeburn 5314: if (&homeserver($cnum,$cdom) ne 'no_host') {
1.1333 raeburn 5315: my ($accessref,$accessinfo,%access_in_dom);
5316: ($roles_by_num,$description,$accessref,$accessinfo) = &get_all_adhocroles($cdom);
5317: if (ref($roles_by_num) eq 'ARRAY') {
5318: if (@{$roles_by_num}) {
1.1332 raeburn 5319: my %settings;
5320: if ($env{'request.course.id'} eq $cid) {
5321: foreach my $envkey (keys(%env)) {
5322: if ($envkey =~ /^\Qcourse.$cid.\E(internal\.adhoc.+)$/) {
5323: $settings{$1} = $env{$envkey};
5324: }
5325: }
5326: } else {
5327: %settings = &dump('environment',$cdom,$cnum,'internal\.adhoc');
5328: }
5329: my %setincrs;
5330: if ($settings{'internal.adhocaccess'}) {
5331: map { $setincrs{$_} = 1; } split(/,/,$settings{'internal.adhocaccess'});
5332: }
5333: my @statuses;
5334: if ($env{'environment.inststatus'}) {
5335: @statuses = split(/,/,$env{'environment.inststatus'});
5336: }
5337: my $user = $env{'user.name'}.':'.$env{'user.domain'};
1.1333 raeburn 5338: if (ref($accessref) eq 'HASH') {
5339: %access_in_dom = %{$accessref};
5340: }
5341: foreach my $role (@{$roles_by_num}) {
1.1332 raeburn 5342: my ($curraccess,@okstatus,@personnel);
5343: if ($setincrs{$role}) {
5344: ($curraccess,my $rest) = split(/=/,$settings{'internal.adhoc.'.$role});
5345: if ($curraccess eq 'status') {
5346: @okstatus = split(/\&/,$rest);
5347: } elsif (($curraccess eq 'exc') || ($curraccess eq 'inc')) {
5348: @personnel = split(/\&/,$rest);
5349: }
5350: } else {
5351: $curraccess = $access_in_dom{$role};
1.1333 raeburn 5352: if (ref($accessinfo) eq 'HASH') {
5353: if ($curraccess eq 'status') {
5354: if (ref($accessinfo->{$role}) eq 'ARRAY') {
5355: @okstatus = @{$accessinfo->{$role}};
5356: }
5357: } elsif (($curraccess eq 'exc') || ($curraccess eq 'inc')) {
5358: if (ref($accessinfo->{$role}) eq 'ARRAY') {
5359: @personnel = @{$accessinfo->{$role}};
5360: }
1.1332 raeburn 5361: }
5362: }
5363: }
5364: if ($curraccess eq 'none') {
5365: next;
5366: } elsif ($curraccess eq 'all') {
5367: push(@possroles,$role);
1.1336 raeburn 5368: } elsif ($curraccess eq 'dh') {
1.1335 raeburn 5369: if (grep(/^dh$/,@liveroles)) {
5370: push(@possroles,$role);
5371: } else {
5372: next;
5373: }
1.1336 raeburn 5374: } elsif ($curraccess eq 'da') {
1.1335 raeburn 5375: if (grep(/^da$/,@liveroles)) {
5376: push(@possroles,$role);
5377: } else {
5378: next;
5379: }
1.1332 raeburn 5380: } elsif ($curraccess eq 'status') {
5381: if (@okstatus) {
5382: if (!@statuses) {
5383: if (grep(/^default$/,@okstatus)) {
5384: push(@possroles,$role);
5385: }
5386: } else {
5387: foreach my $status (@okstatus) {
5388: if (grep(/^\Q$status\E$/,@statuses)) {
5389: push(@possroles,$role);
5390: last;
5391: }
5392: }
5393: }
5394: }
5395: } elsif (($curraccess eq 'exc') || ($curraccess eq 'inc')) {
5396: if (grep(/^\Q$user\E$/,@personnel)) {
5397: if ($curraccess eq 'exc') {
5398: push(@possroles,$role);
5399: }
5400: } elsif ($curraccess eq 'inc') {
5401: push(@possroles,$role);
5402: }
5403: }
5404: }
5405: }
5406: }
5407: }
5408: }
5409: }
5410: }
1.1333 raeburn 5411: unless (ref($description) eq 'HASH') {
5412: if (ref($roles_by_num) eq 'ARRAY') {
5413: my %desc;
5414: map { $desc{$_} = $_; } (@{$roles_by_num});
5415: $description = \%desc;
5416: } else {
5417: $description = {};
5418: }
5419: }
5420: return (\@possroles,$description);
1.1332 raeburn 5421: }
5422:
1.399 www 5423: # ----------------------------------------------------- Frontpage Announcements
5424: #
5425: #
5426:
5427: sub postannounce {
5428: my ($server,$text)=@_;
1.844 albertel 5429: unless (&allowed('psa',&host_domain($server))) { return 'refused'; }
1.399 www 5430: unless ($text=~/\w/) { $text=''; }
5431: return &reply('setannounce:'.&escape($text),$server);
5432: }
5433:
5434: sub getannounce {
1.448 albertel 5435:
1.1359 raeburn 5436: if (open(my $fh,"<",$perlvar{'lonDocRoot'}.'/announcement.txt')) {
1.399 www 5437: my $announcement='';
1.800 albertel 5438: while (my $line = <$fh>) { $announcement .= $line; }
1.448 albertel 5439: close($fh);
1.399 www 5440: if ($announcement=~/\w/) {
5441: return
5442: '<table bgcolor="#FF5555" cellpadding="5" cellspacing="3">'.
1.518 albertel 5443: '<tr><td bgcolor="#FFFFFF"><tt>'.$announcement.'</tt></td></tr></table>';
1.399 www 5444: } else {
5445: return '';
5446: }
5447: } else {
5448: return '';
5449: }
1.351 www 5450: }
1.353 www 5451:
5452: # ---------------------------------------------------------- Course ID routines
5453: # Deal with domain's nohist_courseid.db files
5454: #
5455:
5456: sub courseidput {
1.921 raeburn 5457: my ($domain,$storehash,$coursehome,$caller) = @_;
1.1054 raeburn 5458: return unless (ref($storehash) eq 'HASH');
1.921 raeburn 5459: my $outcome;
5460: if ($caller eq 'timeonly') {
5461: my $cids = '';
5462: foreach my $item (keys(%$storehash)) {
5463: $cids.=&escape($item).'&';
5464: }
5465: $cids=~s/\&$//;
5466: $outcome = &reply('courseidputhash:'.$domain.':'.$caller.':'.$cids,
5467: $coursehome);
5468: } else {
5469: my $items = '';
5470: foreach my $item (keys(%$storehash)) {
5471: $items.= &escape($item).'='.
5472: &freeze_escape($$storehash{$item}).'&';
5473: }
5474: $items=~s/\&$//;
5475: $outcome = &reply('courseidputhash:'.$domain.':'.$caller.':'.$items,
5476: $coursehome);
1.918 raeburn 5477: }
5478: if ($outcome eq 'unknown_cmd') {
5479: my $what;
5480: foreach my $cid (keys(%$storehash)) {
5481: $what .= &escape($cid).'=';
1.921 raeburn 5482: foreach my $item ('description','inst_code','owner','type') {
1.936 raeburn 5483: $what .= &escape($storehash->{$cid}{$item}).':';
1.918 raeburn 5484: }
5485: $what =~ s/\:$/&/;
5486: }
5487: $what =~ s/\&$//;
5488: return &reply('courseidput:'.$domain.':'.$what,$coursehome);
5489: } else {
5490: return $outcome;
5491: }
1.353 www 5492: }
5493:
5494: sub courseiddump {
1.921 raeburn 5495: my ($domfilter,$descfilter,$sincefilter,$instcodefilter,$ownerfilter,
1.947 raeburn 5496: $coursefilter,$hostidflag,$hostidref,$typefilter,$regexp_ok,
1.1029 raeburn 5497: $selfenrollonly,$catfilter,$showhidden,$caller,$cloner,$cc_clone,
1.1247 raeburn 5498: $cloneonly,$createdbefore,$createdafter,$creationcontext,$domcloner,
1.1287 raeburn 5499: $hasuniquecode,$reqcrsdom,$reqinstcode)=@_;
1.918 raeburn 5500: my $as_hash = 1;
5501: my %returnhash;
5502: if (!$domfilter) { $domfilter=''; }
1.845 albertel 5503: my %libserv = &all_library();
5504: foreach my $tryserver (keys(%libserv)) {
5505: if ( ( $hostidflag == 1
5506: && grep(/^\Q$tryserver\E$/,@{$hostidref}) )
5507: || (!defined($hostidflag)) ) {
5508:
1.918 raeburn 5509: if (($domfilter eq '') ||
5510: (&host_domain($tryserver) eq $domfilter)) {
1.1180 droeschl 5511: my $rep;
5512: if (grep { $_ eq $tryserver } current_machine_ids()) {
5513: $rep = LONCAPA::Lond::dump_course_id_handler(
5514: join(":", (&host_domain($tryserver), $sincefilter,
5515: &escape($descfilter), &escape($instcodefilter),
5516: &escape($ownerfilter), &escape($coursefilter),
5517: &escape($typefilter), &escape($regexp_ok),
5518: $as_hash, &escape($selfenrollonly),
5519: &escape($catfilter), $showhidden, $caller,
5520: &escape($cloner), &escape($cc_clone), $cloneonly,
5521: &escape($createdbefore), &escape($createdafter),
1.1287 raeburn 5522: &escape($creationcontext),$domcloner,$hasuniquecode,
5523: $reqcrsdom,&escape($reqinstcode))));
1.1180 droeschl 5524: } else {
5525: $rep = &reply('courseiddump:'.&host_domain($tryserver).':'.
5526: $sincefilter.':'.&escape($descfilter).':'.
5527: &escape($instcodefilter).':'.&escape($ownerfilter).
5528: ':'.&escape($coursefilter).':'.&escape($typefilter).
5529: ':'.&escape($regexp_ok).':'.$as_hash.':'.
5530: &escape($selfenrollonly).':'.&escape($catfilter).':'.
5531: $showhidden.':'.$caller.':'.&escape($cloner).':'.
5532: &escape($cc_clone).':'.$cloneonly.':'.
5533: &escape($createdbefore).':'.&escape($createdafter).':'.
1.1287 raeburn 5534: &escape($creationcontext).':'.$domcloner.':'.$hasuniquecode.
5535: ':'.$reqcrsdom.':'.&escape($reqinstcode),$tryserver);
1.1180 droeschl 5536: }
5537:
1.918 raeburn 5538: my @pairs=split(/\&/,$rep);
5539: foreach my $item (@pairs) {
5540: my ($key,$value)=split(/\=/,$item,2);
5541: $key = &unescape($key);
5542: next if ($key =~ /^error: 2 /);
5543: my $result = &thaw_unescape($value);
5544: if (ref($result) eq 'HASH') {
5545: $returnhash{$key}=$result;
5546: } else {
1.921 raeburn 5547: my @responses = split(/:/,$value);
5548: my @items = ('description','inst_code','owner','type');
1.918 raeburn 5549: for (my $i=0; $i<@responses; $i++) {
1.921 raeburn 5550: $returnhash{$key}{$items[$i]} = &unescape($responses[$i]);
1.918 raeburn 5551: }
1.1008 raeburn 5552: }
1.353 www 5553: }
5554: }
5555: }
5556: }
5557: return %returnhash;
5558: }
5559:
1.1055 raeburn 5560: sub courselastaccess {
5561: my ($cdom,$cnum,$hostidref) = @_;
5562: my %returnhash;
5563: if ($cdom && $cnum) {
5564: my $chome = &homeserver($cnum,$cdom);
5565: if ($chome ne 'no_host') {
5566: my $rep = &reply('courselastaccess:'.$cdom.':'.$cnum,$chome);
5567: &extract_lastaccess(\%returnhash,$rep);
5568: }
5569: } else {
5570: if (!$cdom) { $cdom=''; }
5571: my %libserv = &all_library();
5572: foreach my $tryserver (keys(%libserv)) {
5573: if (ref($hostidref) eq 'ARRAY') {
5574: next unless (grep(/^\Q$tryserver\E$/,@{$hostidref}));
5575: }
5576: if (($cdom eq '') || (&host_domain($tryserver) eq $cdom)) {
5577: my $rep = &reply('courselastaccess:'.&host_domain($tryserver).':',$tryserver);
5578: &extract_lastaccess(\%returnhash,$rep);
5579: }
5580: }
5581: }
5582: return %returnhash;
5583: }
5584:
5585: sub extract_lastaccess {
5586: my ($returnhash,$rep) = @_;
5587: if (ref($returnhash) eq 'HASH') {
5588: unless ($rep eq 'unknown_command' || $rep eq 'no_such_host' ||
5589: $rep eq 'con_lost' || $rep eq 'rejected' || $rep eq 'refused' ||
5590: $rep eq '') {
5591: my @pairs=split(/\&/,$rep);
5592: foreach my $item (@pairs) {
5593: my ($key,$value)=split(/\=/,$item,2);
5594: $key = &unescape($key);
5595: next if ($key =~ /^error: 2 /);
5596: $returnhash->{$key} = &thaw_unescape($value);
5597: }
5598: }
5599: }
5600: return;
5601: }
5602:
1.658 raeburn 5603: # ---------------------------------------------------------- DC e-mail
1.662 raeburn 5604:
5605: sub dcmailput {
1.685 raeburn 5606: my ($domain,$msgid,$message,$server)=@_;
1.662 raeburn 5607: my $status = &Apache::lonnet::critical(
1.740 www 5608: 'dcmailput:'.$domain.':'.&escape($msgid).'='.
5609: &escape($message),$server);
1.662 raeburn 5610: return $status;
5611: }
5612:
1.658 raeburn 5613: sub dcmaildump {
5614: my ($dom,$startdate,$enddate,$senders) = @_;
1.685 raeburn 5615: my %returnhash=();
1.846 albertel 5616:
5617: if (defined(&domain($dom,'primary'))) {
1.685 raeburn 5618: my $cmd='dcmaildump:'.$dom.':'.&escape($startdate).':'.
5619: &escape($enddate).':';
5620: my @esc_senders=map { &escape($_)} @$senders;
5621: $cmd.=&escape(join('&',@esc_senders));
1.846 albertel 5622: foreach my $line (split(/\&/,&reply($cmd,&domain($dom,'primary')))) {
1.800 albertel 5623: my ($key,$value) = split(/\=/,$line,2);
1.685 raeburn 5624: if (($key) && ($value)) {
5625: $returnhash{&unescape($key)} = &unescape($value);
1.658 raeburn 5626: }
5627: }
5628: }
5629: return %returnhash;
5630: }
1.662 raeburn 5631: # ---------------------------------------------------------- Domain roles
5632:
5633: sub get_domain_roles {
5634: my ($dom,$roles,$startdate,$enddate)=@_;
1.1018 raeburn 5635: if ((!defined($startdate)) || ($startdate eq '')) {
1.662 raeburn 5636: $startdate = '.';
5637: }
1.1018 raeburn 5638: if ((!defined($enddate)) || ($enddate eq '')) {
1.662 raeburn 5639: $enddate = '.';
5640: }
1.922 raeburn 5641: my $rolelist;
5642: if (ref($roles) eq 'ARRAY') {
1.1219 raeburn 5643: $rolelist = join('&',@{$roles});
1.922 raeburn 5644: }
1.662 raeburn 5645: my %personnel = ();
1.841 albertel 5646:
5647: my %servers = &get_servers($dom,'library');
5648: foreach my $tryserver (keys(%servers)) {
5649: %{$personnel{$tryserver}}=();
5650: foreach my $line (split(/\&/,&reply('domrolesdump:'.$dom.':'.
5651: &escape($startdate).':'.
5652: &escape($enddate).':'.
5653: &escape($rolelist), $tryserver))) {
5654: my ($key,$value) = split(/\=/,$line,2);
5655: if (($key) && ($value)) {
5656: $personnel{$tryserver}{&unescape($key)} = &unescape($value);
5657: }
5658: }
1.662 raeburn 5659: }
5660: return %personnel;
5661: }
1.658 raeburn 5662:
1.1332 raeburn 5663: sub get_active_domroles {
5664: my ($dom,$roles) = @_;
5665: return () unless (ref($roles) eq 'ARRAY');
5666: my $now = time;
5667: my %dompersonnel = &get_domain_roles($dom,$roles,$now,$now);
5668: my %domroles;
5669: foreach my $server (keys(%dompersonnel)) {
5670: foreach my $user (sort(keys(%{$dompersonnel{$server}}))) {
5671: my ($trole,$uname,$udom,$runame,$rudom,$rsec) = split(/:/,$user);
5672: $domroles{$uname.':'.$udom} = $dompersonnel{$server}{$user};
5673: }
5674: }
5675: return %domroles;
5676: }
5677:
1.1057 www 5678: # ----------------------------------------------------------- Interval timing
1.149 www 5679:
1.1153 www 5680: {
5681: # Caches needed for speedup of navmaps
5682: # We don't want to cache this for very long at all (5 seconds at most)
5683: #
5684: # The user for whom we cache
5685: my $cachedkey='';
5686: # The cached times for this user
5687: my %cachedtimes=();
5688: # When this was last done
1.1282 raeburn 5689: my $cachedtime='';
1.1153 www 5690:
5691: sub load_all_first_access {
1.1308 raeburn 5692: my ($uname,$udom,$ignorecache)=@_;
1.1156 www 5693: if (($cachedkey eq $uname.':'.$udom) &&
1.1308 raeburn 5694: (abs($cachedtime-time)<5) && (!$env{'form.markaccess'}) &&
5695: (!$ignorecache)) {
1.1154 raeburn 5696: return;
5697: }
5698: $cachedtime=time;
5699: $cachedkey=$uname.':'.$udom;
5700: %cachedtimes=&dump('firstaccesstimes',$udom,$uname);
1.1153 www 5701: }
5702:
1.504 albertel 5703: sub get_first_access {
1.1308 raeburn 5704: my ($type,$argsymb,$argmap,$ignorecache)=@_;
1.790 albertel 5705: my ($symb,$courseid,$udom,$uname)=&whichuser();
1.504 albertel 5706: if ($argsymb) { $symb=$argsymb; }
5707: my ($map,$id,$res)=&decode_symb($symb);
1.1162 raeburn 5708: if ($argmap) { $map = $argmap; }
1.926 albertel 5709: if ($type eq 'course') {
5710: $res='course';
5711: } elsif ($type eq 'map') {
1.588 albertel 5712: $res=&symbread($map);
5713: } else {
5714: $res=$symb;
5715: }
1.1308 raeburn 5716: &load_all_first_access($uname,$udom,$ignorecache);
1.1153 www 5717: return $cachedtimes{"$courseid\0$res"};
1.504 albertel 5718: }
5719:
5720: sub set_first_access {
1.1162 raeburn 5721: my ($type,$interval)=@_;
1.790 albertel 5722: my ($symb,$courseid,$udom,$uname)=&whichuser();
1.504 albertel 5723: my ($map,$id,$res)=&decode_symb($symb);
1.928 albertel 5724: if ($type eq 'course') {
5725: $res='course';
5726: } elsif ($type eq 'map') {
1.588 albertel 5727: $res=&symbread($map);
5728: } else {
5729: $res=$symb;
5730: }
1.1153 www 5731: $cachedkey='';
1.1162 raeburn 5732: my $firstaccess=&get_first_access($type,$symb,$map);
1.1386 raeburn 5733: if ($firstaccess) {
5734: &logthis("First access time already set ($firstaccess) when attempting ".
1.1393 raeburn 5735: "to set new value (type: $type, extent: $res) for $uname:$udom ".
5736: "in $courseid");
1.1386 raeburn 5737: return 'already_set';
5738: } else {
1.1162 raeburn 5739: my $start = time;
5740: my $putres = &put('firstaccesstimes',{"$courseid\0$res"=>$start},
5741: $udom,$uname);
5742: if ($putres eq 'ok') {
5743: &put('timerinterval',{"$courseid\0$res"=>$interval},
5744: $udom,$uname);
5745: &appenv(
5746: {
5747: 'course.'.$courseid.'.firstaccess.'.$res => $start,
5748: 'course.'.$courseid.'.timerinterval.'.$res => $interval,
5749: }
5750: );
1.1365 raeburn 5751: if (($cachedtime) && (abs($start-$cachedtime) < 5)) {
5752: $cachedtimes{"$courseid\0$res"} = $start;
5753: }
1.1386 raeburn 5754: } elsif ($putres ne 'refused') {
5755: &logthis("Result: $putres when attempting to set first access time ".
5756: "(type: $type, extent: $res) for $uname:$udom in $courseid");
1.1162 raeburn 5757: }
5758: return $putres;
1.505 albertel 5759: }
5760: return 'already_set';
1.504 albertel 5761: }
1.1153 www 5762: }
1.1282 raeburn 5763:
1.110 www 5764: # --------------------------------------------- Set Expire Date for Spreadsheet
5765:
5766: sub expirespread {
5767: my ($uname,$udom,$stype,$usymb)=@_;
1.620 albertel 5768: my $cid=$env{'request.course.id'};
1.110 www 5769: if ($cid) {
5770: my $now=time;
5771: my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
1.620 albertel 5772: return &reply('put:'.$env{'course.'.$cid.'.domain'}.':'.
5773: $env{'course.'.$cid.'.num'}.
1.110 www 5774: ':nohist_expirationdates:'.
5775: &escape($key).'='.$now,
1.620 albertel 5776: $env{'course.'.$cid.'.home'})
1.110 www 5777: }
5778: return 'ok';
1.14 www 5779: }
5780:
1.109 www 5781: # ----------------------------------------------------- Devalidate Spreadsheets
5782:
5783: sub devalidate {
1.325 www 5784: my ($symb,$uname,$udom)=@_;
1.620 albertel 5785: my $cid=$env{'request.course.id'};
1.109 www 5786: if ($cid) {
1.391 matthew 5787: # delete the stored spreadsheets for
5788: # - the student level sheet of this user in course's homespace
5789: # - the assessment level sheet for this resource
5790: # for this user in user's homespace
1.553 albertel 5791: # - current conditional state info
1.325 www 5792: my $key=$uname.':'.$udom.':';
1.109 www 5793: my $status=
1.299 matthew 5794: &del('nohist_calculatedsheets',
1.391 matthew 5795: [$key.'studentcalc:'],
1.620 albertel 5796: $env{'course.'.$cid.'.domain'},
5797: $env{'course.'.$cid.'.num'})
1.133 albertel 5798: .' '.
5799: &del('nohist_calculatedsheets_'.$cid,
1.391 matthew 5800: [$key.'assesscalc:'.$symb],$udom,$uname);
1.109 www 5801: unless ($status eq 'ok ok') {
5802: &logthis('Could not devalidate spreadsheet '.
1.325 www 5803: $uname.' at '.$udom.' for '.
1.109 www 5804: $symb.': '.$status);
1.133 albertel 5805: }
1.553 albertel 5806: &delenv('user.state.'.$cid);
1.109 www 5807: }
5808: }
5809:
1.265 albertel 5810: sub get_scalar {
5811: my ($string,$end) = @_;
5812: my $value;
5813: if ($$string =~ s/^([^&]*?)($end)/$2/) {
5814: $value = $1;
5815: } elsif ($$string =~ s/^([^&]*?)&//) {
5816: $value = $1;
5817: }
5818: return &unescape($value);
5819: }
5820:
5821: sub array2str {
5822: my (@array) = @_;
5823: my $result=&arrayref2str(\@array);
5824: $result=~s/^__ARRAY_REF__//;
5825: $result=~s/__END_ARRAY_REF__$//;
5826: return $result;
5827: }
5828:
1.204 albertel 5829: sub arrayref2str {
5830: my ($arrayref) = @_;
1.265 albertel 5831: my $result='__ARRAY_REF__';
1.204 albertel 5832: foreach my $elem (@$arrayref) {
1.265 albertel 5833: if(ref($elem) eq 'ARRAY') {
5834: $result.=&arrayref2str($elem).'&';
5835: } elsif(ref($elem) eq 'HASH') {
5836: $result.=&hashref2str($elem).'&';
5837: } elsif(ref($elem)) {
5838: #print("Got a ref of ".(ref($elem))." skipping.");
1.204 albertel 5839: } else {
5840: $result.=&escape($elem).'&';
5841: }
5842: }
5843: $result=~s/\&$//;
1.265 albertel 5844: $result .= '__END_ARRAY_REF__';
1.204 albertel 5845: return $result;
5846: }
5847:
1.168 albertel 5848: sub hash2str {
1.204 albertel 5849: my (%hash) = @_;
5850: my $result=&hashref2str(\%hash);
1.265 albertel 5851: $result=~s/^__HASH_REF__//;
5852: $result=~s/__END_HASH_REF__$//;
1.204 albertel 5853: return $result;
5854: }
5855:
5856: sub hashref2str {
5857: my ($hashref)=@_;
1.265 albertel 5858: my $result='__HASH_REF__';
1.800 albertel 5859: foreach my $key (sort(keys(%$hashref))) {
5860: if (ref($key) eq 'ARRAY') {
5861: $result.=&arrayref2str($key).'=';
5862: } elsif (ref($key) eq 'HASH') {
5863: $result.=&hashref2str($key).'=';
5864: } elsif (ref($key)) {
1.265 albertel 5865: $result.='=';
1.800 albertel 5866: #print("Got a ref of ".(ref($key))." skipping.");
1.204 albertel 5867: } else {
1.1132 raeburn 5868: if (defined($key)) {$result.=&escape($key).'=';} else { last; }
1.204 albertel 5869: }
5870:
1.800 albertel 5871: if(ref($hashref->{$key}) eq 'ARRAY') {
5872: $result.=&arrayref2str($hashref->{$key}).'&';
5873: } elsif(ref($hashref->{$key}) eq 'HASH') {
5874: $result.=&hashref2str($hashref->{$key}).'&';
5875: } elsif(ref($hashref->{$key})) {
1.265 albertel 5876: $result.='&';
1.800 albertel 5877: #print("Got a ref of ".(ref($hashref->{$key}))." skipping.");
1.204 albertel 5878: } else {
1.800 albertel 5879: $result.=&escape($hashref->{$key}).'&';
1.204 albertel 5880: }
5881: }
1.168 albertel 5882: $result=~s/\&$//;
1.265 albertel 5883: $result .= '__END_HASH_REF__';
1.168 albertel 5884: return $result;
5885: }
5886:
5887: sub str2hash {
1.265 albertel 5888: my ($string)=@_;
5889: my ($hash)=&str2hashref('__HASH_REF__'.$string.'__END_HASH_REF__');
5890: return %$hash;
5891: }
5892:
5893: sub str2hashref {
1.168 albertel 5894: my ($string) = @_;
1.265 albertel 5895:
5896: my %hash;
5897:
5898: if($string !~ /^__HASH_REF__/) {
5899: if (! ($string eq '' || !defined($string))) {
5900: $hash{'error'}='Not hash reference';
5901: }
5902: return (\%hash, $string);
5903: }
5904:
5905: $string =~ s/^__HASH_REF__//;
5906:
5907: while($string !~ /^__END_HASH_REF__/) {
5908: #key
5909: my $key='';
5910: if($string =~ /^__HASH_REF__/) {
5911: ($key, $string)=&str2hashref($string);
5912: if(defined($key->{'error'})) {
5913: $hash{'error'}='Bad data';
5914: return (\%hash, $string);
5915: }
5916: } elsif($string =~ /^__ARRAY_REF__/) {
5917: ($key, $string)=&str2arrayref($string);
5918: if($key->[0] eq 'Array reference error') {
5919: $hash{'error'}='Bad data';
5920: return (\%hash, $string);
5921: }
5922: } else {
5923: $string =~ s/^(.*?)=//;
1.267 albertel 5924: $key=&unescape($1);
1.265 albertel 5925: }
5926: $string =~ s/^=//;
5927:
5928: #value
5929: my $value='';
5930: if($string =~ /^__HASH_REF__/) {
5931: ($value, $string)=&str2hashref($string);
5932: if(defined($value->{'error'})) {
5933: $hash{'error'}='Bad data';
5934: return (\%hash, $string);
5935: }
5936: } elsif($string =~ /^__ARRAY_REF__/) {
5937: ($value, $string)=&str2arrayref($string);
5938: if($value->[0] eq 'Array reference error') {
5939: $hash{'error'}='Bad data';
5940: return (\%hash, $string);
5941: }
5942: } else {
5943: $value=&get_scalar(\$string,'__END_HASH_REF__');
5944: }
5945: $string =~ s/^&//;
5946:
5947: $hash{$key}=$value;
1.204 albertel 5948: }
1.265 albertel 5949:
5950: $string =~ s/^__END_HASH_REF__//;
5951:
5952: return (\%hash, $string);
1.204 albertel 5953: }
5954:
5955: sub str2array {
1.265 albertel 5956: my ($string)=@_;
5957: my ($array)=&str2arrayref('__ARRAY_REF__'.$string.'__END_ARRAY_REF__');
5958: return @$array;
5959: }
5960:
5961: sub str2arrayref {
1.204 albertel 5962: my ($string) = @_;
1.265 albertel 5963: my @array;
5964:
5965: if($string !~ /^__ARRAY_REF__/) {
5966: if (! ($string eq '' || !defined($string))) {
5967: $array[0]='Array reference error';
5968: }
5969: return (\@array, $string);
5970: }
5971:
5972: $string =~ s/^__ARRAY_REF__//;
5973:
5974: while($string !~ /^__END_ARRAY_REF__/) {
5975: my $value='';
5976: if($string =~ /^__HASH_REF__/) {
5977: ($value, $string)=&str2hashref($string);
5978: if(defined($value->{'error'})) {
5979: $array[0] ='Array reference error';
5980: return (\@array, $string);
5981: }
5982: } elsif($string =~ /^__ARRAY_REF__/) {
5983: ($value, $string)=&str2arrayref($string);
5984: if($value->[0] eq 'Array reference error') {
5985: $array[0] ='Array reference error';
5986: return (\@array, $string);
5987: }
5988: } else {
5989: $value=&get_scalar(\$string,'__END_ARRAY_REF__');
5990: }
5991: $string =~ s/^&//;
5992:
5993: push(@array, $value);
1.191 harris41 5994: }
1.265 albertel 5995:
5996: $string =~ s/^__END_ARRAY_REF__//;
5997:
5998: return (\@array, $string);
1.168 albertel 5999: }
6000:
1.167 albertel 6001: # -------------------------------------------------------------------Temp Store
6002:
1.168 albertel 6003: sub tmpreset {
6004: my ($symb,$namespace,$domain,$stuname) = @_;
6005: if (!$symb) {
6006: $symb=&symbread();
1.620 albertel 6007: if (!$symb) { $symb= $env{'request.url'}; }
1.168 albertel 6008: }
6009: $symb=escape($symb);
6010:
1.620 albertel 6011: if (!$namespace) { $namespace=$env{'request.state'}; }
1.168 albertel 6012: $namespace=~s/\//\_/g;
6013: $namespace=~s/\W//g;
6014:
1.620 albertel 6015: if (!$domain) { $domain=$env{'user.domain'}; }
6016: if (!$stuname) { $stuname=$env{'user.name'}; }
1.591 albertel 6017: if ($domain eq 'public' && $stuname eq 'public') {
6018: $stuname=$ENV{'REMOTE_ADDR'};
6019: }
1.1117 foxr 6020: my $path=LONCAPA::tempdir();
1.168 albertel 6021: my %hash;
6022: if (tie(%hash,'GDBM_File',
6023: $path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db',
1.256 albertel 6024: &GDBM_WRCREAT(),0640)) {
1.1000 raeburn 6025: foreach my $key (keys(%hash)) {
1.180 albertel 6026: if ($key=~ /:$symb/) {
1.168 albertel 6027: delete($hash{$key});
6028: }
6029: }
6030: }
6031: }
6032:
1.167 albertel 6033: sub tmpstore {
1.168 albertel 6034: my ($storehash,$symb,$namespace,$domain,$stuname) = @_;
6035:
6036: if (!$symb) {
6037: $symb=&symbread();
1.620 albertel 6038: if (!$symb) { $symb= $env{'request.url'}; }
1.168 albertel 6039: }
6040: $symb=escape($symb);
6041:
6042: if (!$namespace) {
6043: # I don't think we would ever want to store this for a course.
6044: # it seems this will only be used if we don't have a course.
1.620 albertel 6045: #$namespace=$env{'request.course.id'};
1.168 albertel 6046: #if (!$namespace) {
1.620 albertel 6047: $namespace=$env{'request.state'};
1.168 albertel 6048: #}
6049: }
6050: $namespace=~s/\//\_/g;
6051: $namespace=~s/\W//g;
1.620 albertel 6052: if (!$domain) { $domain=$env{'user.domain'}; }
6053: if (!$stuname) { $stuname=$env{'user.name'}; }
1.591 albertel 6054: if ($domain eq 'public' && $stuname eq 'public') {
6055: $stuname=$ENV{'REMOTE_ADDR'};
6056: }
1.168 albertel 6057: my $now=time;
6058: my %hash;
1.1117 foxr 6059: my $path=LONCAPA::tempdir();
1.168 albertel 6060: if (tie(%hash,'GDBM_File',
6061: $path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db',
1.256 albertel 6062: &GDBM_WRCREAT(),0640)) {
1.168 albertel 6063: $hash{"version:$symb"}++;
6064: my $version=$hash{"version:$symb"};
6065: my $allkeys='';
6066: foreach my $key (keys(%$storehash)) {
6067: $allkeys.=$key.':';
1.591 albertel 6068: $hash{"$version:$symb:$key"}=&freeze_escape($$storehash{$key});
1.168 albertel 6069: }
6070: $hash{"$version:$symb:timestamp"}=$now;
6071: $allkeys.='timestamp';
6072: $hash{"$version:keys:$symb"}=$allkeys;
6073: if (untie(%hash)) {
6074: return 'ok';
6075: } else {
6076: return "error:$!";
6077: }
6078: } else {
6079: return "error:$!";
6080: }
6081: }
1.167 albertel 6082:
1.168 albertel 6083: # -----------------------------------------------------------------Temp Restore
1.167 albertel 6084:
1.168 albertel 6085: sub tmprestore {
6086: my ($symb,$namespace,$domain,$stuname) = @_;
1.167 albertel 6087:
1.168 albertel 6088: if (!$symb) {
6089: $symb=&symbread();
1.620 albertel 6090: if (!$symb) { $symb= $env{'request.url'}; }
1.168 albertel 6091: }
6092: $symb=escape($symb);
6093:
1.620 albertel 6094: if (!$namespace) { $namespace=$env{'request.state'}; }
1.591 albertel 6095:
1.620 albertel 6096: if (!$domain) { $domain=$env{'user.domain'}; }
6097: if (!$stuname) { $stuname=$env{'user.name'}; }
1.591 albertel 6098: if ($domain eq 'public' && $stuname eq 'public') {
6099: $stuname=$ENV{'REMOTE_ADDR'};
6100: }
1.168 albertel 6101: my %returnhash;
6102: $namespace=~s/\//\_/g;
6103: $namespace=~s/\W//g;
6104: my %hash;
1.1117 foxr 6105: my $path=LONCAPA::tempdir();
1.168 albertel 6106: if (tie(%hash,'GDBM_File',
6107: $path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db',
1.256 albertel 6108: &GDBM_READER(),0640)) {
1.168 albertel 6109: my $version=$hash{"version:$symb"};
6110: $returnhash{'version'}=$version;
6111: my $scope;
6112: for ($scope=1;$scope<=$version;$scope++) {
6113: my $vkeys=$hash{"$scope:keys:$symb"};
6114: my @keys=split(/:/,$vkeys);
6115: my $key;
6116: $returnhash{"$scope:keys"}=$vkeys;
6117: foreach $key (@keys) {
1.591 albertel 6118: $returnhash{"$scope:$key"}=&thaw_unescape($hash{"$scope:$symb:$key"});
6119: $returnhash{"$key"}=&thaw_unescape($hash{"$scope:$symb:$key"});
1.167 albertel 6120: }
6121: }
1.168 albertel 6122: if (!(untie(%hash))) {
6123: return "error:$!";
6124: }
6125: } else {
6126: return "error:$!";
6127: }
6128: return %returnhash;
1.167 albertel 6129: }
6130:
1.9 www 6131: # ----------------------------------------------------------------------- Store
6132:
6133: sub store {
1.1269 raeburn 6134: my ($storehash,$symb,$namespace,$domain,$stuname,$laststore) = @_;
1.124 www 6135: my $home='';
6136:
1.168 albertel 6137: if ($stuname) { $home=&homeserver($stuname,$domain); }
1.124 www 6138:
1.213 www 6139: $symb=&symbclean($symb);
1.122 albertel 6140: if (!$symb) { unless ($symb=&symbread()) { return ''; } }
1.109 www 6141:
1.620 albertel 6142: if (!$domain) { $domain=$env{'user.domain'}; }
6143: if (!$stuname) { $stuname=$env{'user.name'}; }
1.325 www 6144:
6145: &devalidate($symb,$stuname,$domain);
1.109 www 6146:
6147: $symb=escape($symb);
1.187 www 6148: if (!$namespace) {
1.620 albertel 6149: unless ($namespace=$env{'request.course.id'}) {
1.187 www 6150: return '';
6151: }
6152: }
1.620 albertel 6153: if (!$home) { $home=$env{'user.home'}; }
1.447 www 6154:
6155: $$storehash{'ip'}=$ENV{'REMOTE_ADDR'};
6156: $$storehash{'host'}=$perlvar{'lonHostID'};
6157:
1.12 www 6158: my $namevalue='';
1.800 albertel 6159: foreach my $key (keys(%$storehash)) {
6160: $namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&';
1.191 harris41 6161: }
1.12 www 6162: $namevalue=~s/\&$//;
1.187 www 6163: &courselog($symb.':'.$stuname.':'.$domain.':STORE:'.$namevalue);
1.1269 raeburn 6164: return reply("store:$domain:$stuname:$namespace:$symb:$namevalue:$laststore","$home");
1.9 www 6165: }
6166:
1.47 www 6167: # -------------------------------------------------------------- Critical Store
6168:
6169: sub cstore {
1.1269 raeburn 6170: my ($storehash,$symb,$namespace,$domain,$stuname,$laststore) = @_;
1.124 www 6171: my $home='';
6172:
1.168 albertel 6173: if ($stuname) { $home=&homeserver($stuname,$domain); }
1.124 www 6174:
1.213 www 6175: $symb=&symbclean($symb);
1.122 albertel 6176: if (!$symb) { unless ($symb=&symbread()) { return ''; } }
1.109 www 6177:
1.620 albertel 6178: if (!$domain) { $domain=$env{'user.domain'}; }
6179: if (!$stuname) { $stuname=$env{'user.name'}; }
1.325 www 6180:
6181: &devalidate($symb,$stuname,$domain);
1.109 www 6182:
6183: $symb=escape($symb);
1.187 www 6184: if (!$namespace) {
1.620 albertel 6185: unless ($namespace=$env{'request.course.id'}) {
1.187 www 6186: return '';
6187: }
6188: }
1.620 albertel 6189: if (!$home) { $home=$env{'user.home'}; }
1.447 www 6190:
6191: $$storehash{'ip'}=$ENV{'REMOTE_ADDR'};
6192: $$storehash{'host'}=$perlvar{'lonHostID'};
1.122 albertel 6193:
1.47 www 6194: my $namevalue='';
1.800 albertel 6195: foreach my $key (keys(%$storehash)) {
6196: $namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&';
1.191 harris41 6197: }
1.47 www 6198: $namevalue=~s/\&$//;
1.187 www 6199: &courselog($symb.':'.$stuname.':'.$domain.':CSTORE:'.$namevalue);
1.188 www 6200: return critical
1.1269 raeburn 6201: ("store:$domain:$stuname:$namespace:$symb:$namevalue:$laststore","$home");
1.47 www 6202: }
6203:
1.9 www 6204: # --------------------------------------------------------------------- Restore
6205:
6206: sub restore {
1.124 www 6207: my ($symb,$namespace,$domain,$stuname) = @_;
6208: my $home='';
6209:
1.168 albertel 6210: if ($stuname) { $home=&homeserver($stuname,$domain); }
1.124 www 6211:
1.122 albertel 6212: if (!$symb) {
1.1224 raeburn 6213: return if ($namespace eq 'courserequests');
6214: unless ($symb=escape(&symbread())) { return ''; }
1.122 albertel 6215: } else {
1.1224 raeburn 6216: unless ($namespace eq 'courserequests') {
6217: $symb=&escape(&symbclean($symb));
6218: }
1.122 albertel 6219: }
1.188 www 6220: if (!$namespace) {
1.620 albertel 6221: unless ($namespace=$env{'request.course.id'}) {
1.188 www 6222: return '';
6223: }
6224: }
1.620 albertel 6225: if (!$domain) { $domain=$env{'user.domain'}; }
6226: if (!$stuname) { $stuname=$env{'user.name'}; }
6227: if (!$home) { $home=$env{'user.home'}; }
1.122 albertel 6228: my $answer=&reply("restore:$domain:$stuname:$namespace:$symb","$home");
6229:
1.12 www 6230: my %returnhash=();
1.800 albertel 6231: foreach my $line (split(/\&/,$answer)) {
6232: my ($name,$value)=split(/\=/,$line);
1.591 albertel 6233: $returnhash{&unescape($name)}=&thaw_unescape($value);
1.191 harris41 6234: }
1.75 www 6235: my $version;
6236: for ($version=1;$version<=$returnhash{'version'};$version++) {
1.800 albertel 6237: foreach my $item (split(/\:/,$returnhash{$version.':keys'})) {
6238: $returnhash{$item}=$returnhash{$version.':'.$item};
1.191 harris41 6239: }
1.75 www 6240: }
1.13 www 6241: return %returnhash;
1.34 www 6242: }
6243:
6244: # ---------------------------------------------------------- Course Description
1.1118 foxr 6245: #
6246: #
1.34 www 6247:
6248: sub coursedescription {
1.731 albertel 6249: my ($courseid,$args)=@_;
1.34 www 6250: $courseid=~s/^\///;
1.49 www 6251: $courseid=~s/\_/\//g;
1.34 www 6252: my ($cdomain,$cnum)=split(/\//,$courseid);
1.129 albertel 6253: my $chome=&homeserver($cnum,$cdomain);
1.302 albertel 6254: my $normalid=$cdomain.'_'.$cnum;
6255: # need to always cache even if we get errors otherwise we keep
6256: # trying and trying and trying to get the course description.
6257: my %envhash=();
6258: my %returnhash=();
1.731 albertel 6259:
6260: my $expiretime=600;
6261: if ($env{'request.course.id'} eq $normalid) {
6262: $expiretime=120;
6263: }
6264:
6265: my $prefix='course.'.$cdomain.'_'.$cnum.'.';
6266: if (!$args->{'freshen_cache'}
6267: && ((time-$env{$prefix.'last_cache'}) < $expiretime) ) {
6268: foreach my $key (keys(%env)) {
6269: next if ($key !~ /^\Q$prefix\E(.*)/);
6270: my ($setting) = $1;
6271: $returnhash{$setting} = $env{$key};
6272: }
6273: return %returnhash;
6274: }
6275:
1.1118 foxr 6276: # get the data again
6277:
1.731 albertel 6278: if (!$args->{'one_time'}) {
6279: $envhash{'course.'.$normalid.'.last_cache'}=time;
6280: }
1.811 albertel 6281:
1.34 www 6282: if ($chome ne 'no_host') {
1.302 albertel 6283: %returnhash=&dump('environment',$cdomain,$cnum);
1.129 albertel 6284: if (!exists($returnhash{'con_lost'})) {
1.1118 foxr 6285: my $username = $env{'user.name'}; # Defult username
6286: if(defined $args->{'user'}) {
6287: $username = $args->{'user'};
6288: }
1.129 albertel 6289: $returnhash{'home'}= $chome;
6290: $returnhash{'domain'} = $cdomain;
6291: $returnhash{'num'} = $cnum;
1.741 raeburn 6292: if (!defined($returnhash{'type'})) {
6293: $returnhash{'type'} = 'Course';
6294: }
1.130 albertel 6295: while (my ($name,$value) = each %returnhash) {
1.53 www 6296: $envhash{'course.'.$normalid.'.'.$name}=$value;
1.129 albertel 6297: }
1.270 www 6298: $returnhash{'url'}=&clutter($returnhash{'url'});
1.1117 foxr 6299: $returnhash{'fn'}=LONCAPA::tempdir() .
1.1118 foxr 6300: $username.'_'.$cdomain.'_'.$cnum;
1.60 www 6301: $envhash{'course.'.$normalid.'.home'}=$chome;
6302: $envhash{'course.'.$normalid.'.domain'}=$cdomain;
6303: $envhash{'course.'.$normalid.'.num'}=$cnum;
1.34 www 6304: }
6305: }
1.731 albertel 6306: if (!$args->{'one_time'}) {
1.949 raeburn 6307: &appenv(\%envhash);
1.731 albertel 6308: }
1.302 albertel 6309: return %returnhash;
1.461 www 6310: }
6311:
1.1080 raeburn 6312: sub update_released_required {
6313: my ($needsrelease,$cdom,$cnum,$chome,$cid) = @_;
6314: if ($cdom eq '' || $cnum eq '' || $chome eq '' || $cid eq '') {
6315: $cid = $env{'request.course.id'};
6316: $cdom = $env{'course.'.$cid.'.domain'};
6317: $cnum = $env{'course.'.$cid.'.num'};
6318: $chome = $env{'course.'.$cid.'.home'};
6319: }
6320: if ($needsrelease) {
6321: my %curr_reqd_hash = &userenvironment($cdom,$cnum,'internal.releaserequired');
6322: my $needsupdate;
6323: if ($curr_reqd_hash{'internal.releaserequired'} eq '') {
6324: $needsupdate = 1;
6325: } else {
6326: my ($currmajor,$currminor) = split(/\./,$curr_reqd_hash{'internal.releaserequired'});
6327: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
6328: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
6329: $needsupdate = 1;
6330: }
6331: }
6332: if ($needsupdate) {
6333: my %needshash = (
6334: 'internal.releaserequired' => $needsrelease,
6335: );
6336: my $putresult = &put('environment',\%needshash,$cdom,$cnum);
6337: if ($putresult eq 'ok') {
6338: &appenv({'course.'.$cid.'.internal.releaserequired' => $needsrelease});
6339: my %crsinfo = &courseiddump($cdom,'.',1,'.','.',$cnum,undef,undef,'.');
6340: if (ref($crsinfo{$cid}) eq 'HASH') {
6341: $crsinfo{$cid}{'releaserequired'} = $needsrelease;
6342: &courseidput($cdom,\%crsinfo,$chome,'notime');
6343: }
6344: }
6345: }
6346: }
6347: return;
6348: }
6349:
1.461 www 6350: # -------------------------------------------------See if a user is privileged
6351:
6352: sub privileged {
1.1219 raeburn 6353: my ($username,$domain,$possdomains,$possroles)=@_;
1.1170 droeschl 6354: my $now = time;
1.1219 raeburn 6355: my $roles;
6356: if (ref($possroles) eq 'ARRAY') {
6357: $roles = $possroles;
6358: } else {
6359: $roles = ['dc','su'];
6360: }
6361: if (ref($possdomains) eq 'ARRAY') {
6362: my %privileged = &privileged_by_domain($possdomains,$roles);
6363: foreach my $dom (@{$possdomains}) {
6364: if (($username =~ /^$match_username$/) && ($domain =~ /^$match_domain$/) &&
6365: (ref($privileged{$dom}) eq 'HASH')) {
6366: foreach my $role (@{$roles}) {
6367: if (ref($privileged{$dom}{$role}) eq 'HASH') {
6368: if (exists($privileged{$dom}{$role}{$username.':'.$domain})) {
6369: my ($end,$start) = split(/:/,$privileged{$dom}{$role}{$username.':'.$domain});
6370: return 1 unless (($end && $end < $now) ||
6371: ($start && $start > $now));
6372: }
6373: }
6374: }
6375: }
6376: }
6377: } else {
6378: my %rolesdump = &dump("roles", $domain, $username) or return 0;
6379: my $now = time;
1.1170 droeschl 6380:
1.1275 musolffc 6381: for my $role (@rolesdump{grep { ! /^rolesdef_/ } keys(%rolesdump)}) {
1.1170 droeschl 6382: my ($trole, $tend, $tstart) = split(/_/, $role);
1.1219 raeburn 6383: if (grep(/^\Q$trole\E$/,@{$roles})) {
1.1170 droeschl 6384: return 1 unless ($tend && $tend < $now)
1.1219 raeburn 6385: or ($tstart && $tstart > $now);
1.1170 droeschl 6386: }
1.1219 raeburn 6387: }
6388: }
6389: return 0;
6390: }
1.1170 droeschl 6391:
1.1219 raeburn 6392: sub privileged_by_domain {
6393: my ($domains,$roles) = @_;
6394: my %privileged = ();
6395: my $cachetime = 60*60*24;
6396: my $now = time;
6397: unless ((ref($domains) eq 'ARRAY') && (ref($roles) eq 'ARRAY')) {
6398: return %privileged;
6399: }
6400: foreach my $dom (@{$domains}) {
6401: next if (ref($privileged{$dom}) eq 'HASH');
6402: my $needroles;
6403: foreach my $role (@{$roles}) {
6404: my ($result,$cached)=&is_cached_new('priv_'.$role,$dom);
6405: if (defined($cached)) {
6406: if (ref($result) eq 'HASH') {
6407: $privileged{$dom}{$role} = $result;
6408: }
6409: } else {
6410: $needroles = 1;
6411: }
6412: }
6413: if ($needroles) {
6414: my %dompersonnel = &get_domain_roles($dom,$roles);
6415: $privileged{$dom} = {};
6416: foreach my $server (keys(%dompersonnel)) {
6417: if (ref($dompersonnel{$server}) eq 'HASH') {
6418: foreach my $item (keys(%{$dompersonnel{$server}})) {
6419: my ($trole,$uname,$udom,$rest) = split(/:/,$item,4);
6420: my ($end,$start) = split(/:/,$dompersonnel{$server}{$item});
6421: next if ($end && $end < $now);
6422: $privileged{$dom}{$trole}{$uname.':'.$udom} =
6423: $dompersonnel{$server}{$item};
6424: }
6425: }
6426: }
6427: if (ref($privileged{$dom}) eq 'HASH') {
6428: foreach my $role (@{$roles}) {
6429: if (ref($privileged{$dom}{$role}) eq 'HASH') {
6430: &do_cache_new('priv_'.$role,$dom,$privileged{$dom}{$role},$cachetime);
6431: } else {
6432: my %hash = ();
6433: &do_cache_new('priv_'.$role,$dom,\%hash,$cachetime);
6434: }
6435: }
6436: }
6437: }
6438: }
6439: return %privileged;
1.9 www 6440: }
1.1 albertel 6441:
1.103 harris41 6442: # -------------------------------------------------------- Get user privileges
1.11 www 6443:
6444: sub rolesinit {
1.1169 droeschl 6445: my ($domain, $username) = @_;
6446: my %userroles = ('user.login.time' => time);
6447: my %rolesdump = &dump("roles", $domain, $username) or return \%userroles;
6448:
6449: # firstaccess and timerinterval are related to timed maps/resources.
6450: # also, blocking can be triggered by an activating timer
6451: # it's saved in the user's %env.
6452: my %firstaccess = &dump('firstaccesstimes', $domain, $username);
6453: my %timerinterval = &dump('timerinterval', $domain, $username);
6454: my (%coursetimerstarts, %firstaccchk, %firstaccenv, %coursetimerintervals,
6455: %timerintchk, %timerintenv);
6456:
1.1162 raeburn 6457: foreach my $key (keys(%firstaccess)) {
1.1169 droeschl 6458: my ($cid, $rest) = split(/\0/, $key);
1.1162 raeburn 6459: $coursetimerstarts{$cid}{$rest} = $firstaccess{$key};
6460: }
1.1169 droeschl 6461:
1.1162 raeburn 6462: foreach my $key (keys(%timerinterval)) {
6463: my ($cid,$rest) = split(/\0/,$key);
6464: $coursetimerintervals{$cid}{$rest} = $timerinterval{$key};
6465: }
1.1169 droeschl 6466:
1.11 www 6467: my %allroles=();
1.1162 raeburn 6468: my %allgroups=();
1.11 www 6469:
1.1274 raeburn 6470: for my $area (grep { ! /^rolesdef_/ } keys(%rolesdump)) {
1.1169 droeschl 6471: my $role = $rolesdump{$area};
6472: $area =~ s/\_\w\w$//;
6473:
6474: my ($trole, $tend, $tstart, $group_privs);
6475:
6476: if ($role =~ /^cr/) {
6477: # Custom role, defined by a user
6478: # e.g., user.role.cr/msu/smith/mynewrole
6479: if ($role =~ m|^(cr/$match_domain/$match_username/[a-zA-Z0-9]+)_(.*)$|) {
6480: $trole = $1;
6481: ($tend, $tstart) = split('_', $2);
6482: } else {
6483: $trole = $role;
6484: }
6485: } elsif ($role =~ m|^gr/|) {
6486: # Role of member in a group, defined within a course/community
6487: # e.g., user.role.gr/msu/04935610a19ee4a5fmsul1/leopards
6488: ($trole, $tend, $tstart) = split(/_/, $role);
6489: next if $tstart eq '-1';
6490: ($trole, $group_privs) = split(/\//, $trole);
6491: $group_privs = &unescape($group_privs);
6492: } else {
6493: # Just a normal role, defined in roles.tab
6494: ($trole, $tend, $tstart) = split(/_/,$role);
6495: }
6496:
6497: my %new_role = &set_arearole($trole,$area,$tstart,$tend,$domain,
6498: $username);
6499: @userroles{keys(%new_role)} = @new_role{keys(%new_role)};
6500:
6501: # role expired or not available yet?
6502: $trole = '' if ($tend != 0 && $tend < $userroles{'user.login.time'}) or
6503: ($tstart != 0 && $tstart > $userroles{'user.login.time'});
6504:
6505: next if $area eq '' or $trole eq '';
6506:
6507: my $spec = "$trole.$area";
6508: my ($tdummy, $tdomain, $trest) = split(/\//, $area);
6509:
6510: if ($trole =~ /^cr\//) {
6511: # Custom role, defined by a user
6512: &custom_roleprivs(\%allroles,$trole,$tdomain,$trest,$spec,$area);
6513: } elsif ($trole eq 'gr') {
6514: # Role of a member in a group, defined within a course/community
6515: &group_roleprivs(\%allgroups,$area,$group_privs,$tend,$tstart);
6516: next;
6517: } else {
6518: # Normal role, defined in roles.tab
6519: &standard_roleprivs(\%allroles,$trole,$tdomain,$spec,$trest,$area);
6520: }
6521:
6522: my $cid = $tdomain.'_'.$trest;
6523: unless ($firstaccchk{$cid}) {
6524: if (ref($coursetimerstarts{$cid}) eq 'HASH') {
6525: foreach my $item (keys(%{$coursetimerstarts{$cid}})) {
6526: $firstaccenv{'course.'.$cid.'.firstaccess.'.$item} =
6527: $coursetimerstarts{$cid}{$item};
6528: }
6529: }
6530: $firstaccchk{$cid} = 1;
6531: }
6532: unless ($timerintchk{$cid}) {
6533: if (ref($coursetimerintervals{$cid}) eq 'HASH') {
6534: foreach my $item (keys(%{$coursetimerintervals{$cid}})) {
6535: $timerintenv{'course.'.$cid.'.timerinterval.'.$item} =
6536: $coursetimerintervals{$cid}{$item};
1.1162 raeburn 6537: }
1.12 www 6538: }
1.1169 droeschl 6539: $timerintchk{$cid} = 1;
1.191 harris41 6540: }
1.11 www 6541: }
1.1169 droeschl 6542:
1.1341 raeburn 6543: @userroles{'user.author','user.adv','user.rar'} = &set_userprivs(\%userroles,
6544: \%allroles, \%allgroups);
1.1169 droeschl 6545: $env{'user.adv'} = $userroles{'user.adv'};
1.1341 raeburn 6546: $env{'user.rar'} = $userroles{'user.rar'};
1.1169 droeschl 6547:
1.1162 raeburn 6548: return (\%userroles,\%firstaccenv,\%timerintenv);
1.11 www 6549: }
6550:
1.567 raeburn 6551: sub set_arearole {
1.1215 raeburn 6552: my ($trole,$area,$tstart,$tend,$domain,$username,$nolog) = @_;
6553: unless ($nolog) {
1.567 raeburn 6554: # log the associated role with the area
1.1215 raeburn 6555: &userrolelog($trole,$username,$domain,$area,$tstart,$tend);
6556: }
1.743 albertel 6557: return ('user.role.'.$trole.'.'.$area => $tstart.'.'.$tend);
1.567 raeburn 6558: }
6559:
6560: sub custom_roleprivs {
6561: my ($allroles,$trole,$tdomain,$trest,$spec,$area) = @_;
6562: my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$trole);
1.1250 raeburn 6563: my $homsvr = &homeserver($rauthor,$rdomain);
1.838 albertel 6564: if (&hostname($homsvr) ne '') {
1.567 raeburn 6565: my ($rdummy,$roledef)=
6566: &get('roles',["rolesdef_$rrole"],$rdomain,$rauthor);
6567: if (($rdummy ne 'con_lost') && ($roledef ne '')) {
6568: my ($syspriv,$dompriv,$coursepriv)=split(/\_/,$roledef);
6569: if (defined($syspriv)) {
1.1043 raeburn 6570: if ($trest =~ /^$match_community$/) {
6571: $syspriv =~ s/bre\&S//;
6572: }
1.567 raeburn 6573: $$allroles{'cm./'}.=':'.$syspriv;
6574: $$allroles{$spec.'./'}.=':'.$syspriv;
6575: }
6576: if ($tdomain ne '') {
6577: if (defined($dompriv)) {
6578: $$allroles{'cm./'.$tdomain.'/'}.=':'.$dompriv;
6579: $$allroles{$spec.'./'.$tdomain.'/'}.=':'.$dompriv;
6580: }
6581: if (($trest ne '') && (defined($coursepriv))) {
1.1332 raeburn 6582: if ($trole =~ m{^cr/$tdomain/$tdomain\Q-domainconfig\E/([^/]+)$}) {
6583: my $rolename = $1;
6584: $coursepriv = &course_adhocrole_privs($rolename,$tdomain,$trest,$coursepriv);
6585: }
1.567 raeburn 6586: $$allroles{'cm.'.$area}.=':'.$coursepriv;
6587: $$allroles{$spec.'.'.$area}.=':'.$coursepriv;
6588: }
6589: }
6590: }
6591: }
6592: }
6593:
1.1332 raeburn 6594: sub course_adhocrole_privs {
6595: my ($rolename,$cdom,$cnum,$coursepriv) = @_;
6596: my %overrides = &get('environment',["internal.adhocpriv.$rolename"],$cdom,$cnum);
6597: if ($overrides{"internal.adhocpriv.$rolename"}) {
6598: my (%currprivs,%storeprivs);
6599: foreach my $item (split(/:/,$coursepriv)) {
6600: my ($priv,$restrict) = split(/\&/,$item);
6601: $currprivs{$priv} = $restrict;
6602: }
6603: my (%possadd,%possremove,%full);
6604: foreach my $item (split(/\:/,$Apache::lonnet::pr{'cr:c'})) {
6605: my ($priv,$restrict)=split(/\&/,$item);
6606: $full{$priv} = $restrict;
6607: }
6608: foreach my $item (split(/,/,$overrides{"internal.adhocpriv.$rolename"})) {
6609: next if ($item eq '');
6610: my ($rule,$rest) = split(/=/,$item);
6611: next unless (($rule eq 'off') || ($rule eq 'on'));
6612: foreach my $priv (split(/:/,$rest)) {
6613: if ($priv ne '') {
6614: if ($rule eq 'off') {
6615: $possremove{$priv} = 1;
6616: } else {
6617: $possadd{$priv} = 1;
6618: }
6619: }
6620: }
6621: }
6622: foreach my $priv (sort(keys(%full))) {
6623: if (exists($currprivs{$priv})) {
6624: unless (exists($possremove{$priv})) {
6625: $storeprivs{$priv} = $currprivs{$priv};
6626: }
6627: } elsif (exists($possadd{$priv})) {
6628: $storeprivs{$priv} = $full{$priv};
6629: }
6630: }
6631: $coursepriv = ':'.join(':',map { $_.'&'.$storeprivs{$_}; } sort(keys(%storeprivs)));
6632: }
6633: return $coursepriv;
6634: }
6635:
1.678 raeburn 6636: sub group_roleprivs {
6637: my ($allgroups,$area,$group_privs,$tend,$tstart) = @_;
6638: my $access = 1;
6639: my $now = time;
6640: if (($tend!=0) && ($tend<$now)) { $access = 0; }
6641: if (($tstart!=0) && ($tstart>$now)) { $access=0; }
6642: if ($access) {
1.811 albertel 6643: my ($course,$group) = ($area =~ m|(/$match_domain/$match_courseid)/([^/]+)$|);
1.678 raeburn 6644: $$allgroups{$course}{$group} .=':'.$group_privs;
6645: }
6646: }
1.567 raeburn 6647:
6648: sub standard_roleprivs {
6649: my ($allroles,$trole,$tdomain,$spec,$trest,$area) = @_;
6650: if (defined($pr{$trole.':s'})) {
6651: $$allroles{'cm./'}.=':'.$pr{$trole.':s'};
6652: $$allroles{$spec.'./'}.=':'.$pr{$trole.':s'};
6653: }
6654: if ($tdomain ne '') {
6655: if (defined($pr{$trole.':d'})) {
6656: $$allroles{'cm./'.$tdomain.'/'}.=':'.$pr{$trole.':d'};
6657: $$allroles{$spec.'./'.$tdomain.'/'}.=':'.$pr{$trole.':d'};
6658: }
6659: if (($trest ne '') && (defined($pr{$trole.':c'}))) {
6660: $$allroles{'cm.'.$area}.=':'.$pr{$trole.':c'};
6661: $$allroles{$spec.'.'.$area}.=':'.$pr{$trole.':c'};
6662: }
6663: }
6664: }
6665:
6666: sub set_userprivs {
1.1064 raeburn 6667: my ($userroles,$allroles,$allgroups,$groups_roles) = @_;
1.567 raeburn 6668: my $author=0;
6669: my $adv=0;
1.1341 raeburn 6670: my $rar=0;
1.678 raeburn 6671: my %grouproles = ();
6672: if (keys(%{$allgroups}) > 0) {
1.1064 raeburn 6673: my @groupkeys;
1.1000 raeburn 6674: foreach my $role (keys(%{$allroles})) {
1.1064 raeburn 6675: push(@groupkeys,$role);
6676: }
6677: if (ref($groups_roles) eq 'HASH') {
6678: foreach my $key (keys(%{$groups_roles})) {
6679: unless (grep(/^\Q$key\E$/,@groupkeys)) {
6680: push(@groupkeys,$key);
6681: }
6682: }
6683: }
6684: if (@groupkeys > 0) {
6685: foreach my $role (@groupkeys) {
6686: my ($trole,$area,$sec,$extendedarea);
6687: if ($role =~ m-^(\w+|cr/$match_domain/$match_username/\w+)\.(/$match_domain/$match_courseid)(/?\w*)\.-) {
6688: $trole = $1;
6689: $area = $2;
6690: $sec = $3;
6691: $extendedarea = $area.$sec;
6692: if (exists($$allgroups{$area})) {
6693: foreach my $group (keys(%{$$allgroups{$area}})) {
6694: my $spec = $trole.'.'.$extendedarea;
6695: $grouproles{$spec.'.'.$area.'/'.$group} =
1.681 raeburn 6696: $$allgroups{$area}{$group};
1.1064 raeburn 6697: }
1.678 raeburn 6698: }
6699: }
6700: }
6701: }
6702: }
1.800 albertel 6703: foreach my $group (keys(%grouproles)) {
6704: $$allroles{$group} = $grouproles{$group};
1.678 raeburn 6705: }
1.800 albertel 6706: foreach my $role (keys(%{$allroles})) {
6707: my %thesepriv;
1.941 raeburn 6708: if (($role=~/^au/) || ($role=~/^ca/) || ($role=~/^aa/)) { $author=1; }
1.800 albertel 6709: foreach my $item (split(/:/,$$allroles{$role})) {
6710: if ($item ne '') {
6711: my ($privilege,$restrictions)=split(/&/,$item);
1.567 raeburn 6712: if ($restrictions eq '') {
6713: $thesepriv{$privilege}='F';
6714: } elsif ($thesepriv{$privilege} ne 'F') {
6715: $thesepriv{$privilege}.=$restrictions;
6716: }
6717: if ($thesepriv{'adv'} eq 'F') { $adv=1; }
1.1341 raeburn 6718: if ($thesepriv{'rar'} eq 'F') { $rar=1; }
1.567 raeburn 6719: }
6720: }
6721: my $thesestr='';
1.1104 raeburn 6722: foreach my $priv (sort(keys(%thesepriv))) {
1.800 albertel 6723: $thesestr.=':'.$priv.'&'.$thesepriv{$priv};
6724: }
6725: $userroles->{'user.priv.'.$role} = $thesestr;
1.567 raeburn 6726: }
1.1341 raeburn 6727: return ($author,$adv,$rar);
1.567 raeburn 6728: }
6729:
1.994 raeburn 6730: sub role_status {
1.1104 raeburn 6731: my ($rolekey,$update,$refresh,$now,$role,$where,$trolecode,$tstatus,$tstart,$tend) = @_;
1.994 raeburn 6732: if (exists($env{$rolekey}) && $env{$rolekey} ne '') {
1.1250 raeburn 6733: my ($one,$two) = split(m{\./},$rolekey,2);
6734: (undef,undef,$$role) = split(/\./,$one,3);
1.994 raeburn 6735: unless (!defined($$role) || $$role eq '') {
1.1251 raeburn 6736: $$where = '/'.$two;
1.994 raeburn 6737: $$trolecode=$$role.'.'.$$where;
6738: ($$tstart,$$tend)=split(/\./,$env{$rolekey});
6739: $$tstatus='is';
1.1104 raeburn 6740: if ($$tstart && $$tstart>$update) {
1.994 raeburn 6741: $$tstatus='future';
1.1034 raeburn 6742: if ($$tstart<$now) {
6743: if ($$tstart && $$tstart>$refresh) {
1.1002 raeburn 6744: if (($$where ne '') && ($$role ne '')) {
1.1064 raeburn 6745: my (%allroles,%allgroups,$group_privs,
6746: %groups_roles,@rolecodes);
1.1002 raeburn 6747: my %userroles = (
6748: 'user.role.'.$$role.'.'.$$where => $$tstart.'.'.$$tend
6749: );
1.1064 raeburn 6750: @rolecodes = ('cm');
1.1002 raeburn 6751: my $spec=$$role.'.'.$$where;
6752: my ($tdummy,$tdomain,$trest)=split(/\//,$$where);
6753: if ($$role =~ /^cr\//) {
6754: &custom_roleprivs(\%allroles,$$role,$tdomain,$trest,$spec,$$where);
1.1064 raeburn 6755: push(@rolecodes,'cr');
1.1002 raeburn 6756: } elsif ($$role eq 'gr') {
1.1064 raeburn 6757: push(@rolecodes,$$role);
1.1002 raeburn 6758: my %rolehash = &get('roles',[$$where.'_'.$$role],$env{'user.domain'},
6759: $env{'user.name'});
1.1064 raeburn 6760: my ($trole) = split('_',$rolehash{$$where.'_'.$$role},2);
1.1002 raeburn 6761: (undef,my $group_privs) = split(/\//,$trole);
6762: $group_privs = &unescape($group_privs);
6763: &group_roleprivs(\%allgroups,$$where,$group_privs,$$tend,$$tstart);
1.1064 raeburn 6764: my %course_roles = &get_my_roles($env{'user.name'},$env{'user.domain'},'userroles',['active'],['cc','co','in','ta','ep','ad','st','cr'],[$tdomain],1);
1.1104 raeburn 6765: &get_groups_roles($tdomain,$trest,
6766: \%course_roles,\@rolecodes,
6767: \%groups_roles);
1.1002 raeburn 6768: } else {
1.1064 raeburn 6769: push(@rolecodes,$$role);
1.1002 raeburn 6770: &standard_roleprivs(\%allroles,$$role,$tdomain,$spec,$trest,$$where);
6771: }
1.1341 raeburn 6772: my ($author,$adv,$rar)= &set_userprivs(\%userroles,\%allroles,\%allgroups,
6773: \%groups_roles);
1.1064 raeburn 6774: &appenv(\%userroles,\@rolecodes);
1.1342 raeburn 6775: &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},"Role ".$spec);
1.1002 raeburn 6776: }
6777: }
1.1034 raeburn 6778: $$tstatus = 'is';
1.1002 raeburn 6779: }
1.994 raeburn 6780: }
6781: if ($$tend) {
1.1104 raeburn 6782: if ($$tend<$update) {
1.994 raeburn 6783: $$tstatus='expired';
6784: } elsif ($$tend<$now) {
6785: $$tstatus='will_not';
6786: }
6787: }
6788: }
6789: }
6790: }
6791:
1.1104 raeburn 6792: sub get_groups_roles {
6793: my ($cdom,$rest,$cdom_courseroles,$rolecodes,$groups_roles) = @_;
6794: return unless((ref($cdom_courseroles) eq 'HASH') &&
6795: (ref($rolecodes) eq 'ARRAY') &&
6796: (ref($groups_roles) eq 'HASH'));
6797: if (keys(%{$cdom_courseroles}) > 0) {
6798: my ($cnum) = ($rest =~ /^($match_courseid)/);
6799: if ($cdom ne '' && $cnum ne '') {
6800: foreach my $key (keys(%{$cdom_courseroles})) {
6801: if ($key =~ /^\Q$cnum\E:\Q$cdom\E:([^:]+):?([^:]*)/) {
6802: my $crsrole = $1;
6803: my $crssec = $2;
6804: if ($crsrole =~ /^cr/) {
6805: unless (grep(/^cr$/,@{$rolecodes})) {
6806: push(@{$rolecodes},'cr');
6807: }
6808: } else {
6809: unless(grep(/^\Q$crsrole\E$/,@{$rolecodes})) {
6810: push(@{$rolecodes},$crsrole);
6811: }
6812: }
6813: my $rolekey = "$crsrole./$cdom/$cnum";
6814: if ($crssec ne '') {
6815: $rolekey .= "/$crssec";
6816: }
6817: $rolekey .= './';
6818: $groups_roles->{$rolekey} = $rolecodes;
6819: }
6820: }
6821: }
6822: }
6823: return;
6824: }
6825:
6826: sub delete_env_groupprivs {
6827: my ($where,$courseroles,$possroles) = @_;
6828: return unless((ref($courseroles) eq 'HASH') && (ref($possroles) eq 'ARRAY'));
6829: my ($dummy,$udom,$uname,$group) = split(/\//,$where);
6830: unless (ref($courseroles->{$udom}) eq 'HASH') {
6831: %{$courseroles->{$udom}} =
6832: &get_my_roles('','','userroles',['active'],
6833: $possroles,[$udom],1);
6834: }
6835: if (ref($courseroles->{$udom}) eq 'HASH') {
6836: foreach my $item (keys(%{$courseroles->{$udom}})) {
6837: my ($cnum,$cdom,$crsrole,$crssec) = split(/:/,$item);
6838: my $area = '/'.$cdom.'/'.$cnum;
6839: my $privkey = "user.priv.$crsrole.$area";
6840: if ($crssec ne '') {
6841: $privkey .= '/'.$crssec;
6842: }
6843: $privkey .= ".$area/$group";
6844: &Apache::lonnet::delenv($privkey,undef,[$crsrole]);
6845: }
6846: }
6847: return;
6848: }
6849:
1.994 raeburn 6850: sub check_adhoc_privs {
1.1329 raeburn 6851: my ($cdom,$cnum,$update,$refresh,$now,$checkrole,$caller,$sec) = @_;
1.994 raeburn 6852: my $cckey = 'user.role.'.$checkrole.'./'.$cdom.'/'.$cnum;
1.1329 raeburn 6853: if ($sec) {
6854: $cckey .= '/'.$sec;
6855: }
1.1185 raeburn 6856: my $setprivs;
1.994 raeburn 6857: if ($env{$cckey}) {
6858: my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus,$tpstart,$tpend);
1.1104 raeburn 6859: &role_status($cckey,$update,$refresh,$now,\$role,\$where,\$trolecode,\$tstatus,\$tstart,\$tend);
1.994 raeburn 6860: unless (($tstatus eq 'is') || ($tstatus eq 'will_not')) {
1.1329 raeburn 6861: &set_adhoc_privileges($cdom,$cnum,$checkrole,$caller,$sec);
1.1185 raeburn 6862: $setprivs = 1;
1.994 raeburn 6863: }
6864: } else {
1.1330 raeburn 6865: &set_adhoc_privileges($cdom,$cnum,$checkrole,$caller,$sec);
1.1185 raeburn 6866: $setprivs = 1;
1.994 raeburn 6867: }
1.1185 raeburn 6868: return $setprivs;
1.994 raeburn 6869: }
6870:
6871: sub set_adhoc_privileges {
1.1326 raeburn 6872: # role can be cc, ca, or cr/<dom>/<dom>-domainconfig/role
1.1329 raeburn 6873: my ($dcdom,$pickedcourse,$role,$caller,$sec) = @_;
1.994 raeburn 6874: my $area = '/'.$dcdom.'/'.$pickedcourse;
1.1329 raeburn 6875: if ($sec ne '') {
6876: $area .= '/'.$sec;
6877: }
1.994 raeburn 6878: my $spec = $role.'.'.$area;
6879: my %userroles = &set_arearole($role,$area,'','',$env{'user.domain'},
1.1215 raeburn 6880: $env{'user.name'},1);
1.1326 raeburn 6881: my %rolehash = ();
1.1332 raeburn 6882: if ($role =~ m{^\Qcr/$dcdom/$dcdom\E\-domainconfig/(\w+)$}) {
6883: my $rolename = $1;
1.1326 raeburn 6884: &custom_roleprivs(\%rolehash,$role,$dcdom,$pickedcourse,$spec,$area);
1.1332 raeburn 6885: my %domdef = &get_domain_defaults($dcdom);
6886: if (ref($domdef{'adhocroles'}) eq 'HASH') {
6887: if (ref($domdef{'adhocroles'}{$rolename}) eq 'HASH') {
6888: &appenv({'request.role.desc' => $domdef{'adhocroles'}{$rolename}{'desc'},});
6889: }
6890: }
1.1326 raeburn 6891: } else {
6892: &standard_roleprivs(\%rolehash,$role,$dcdom,$spec,$pickedcourse,$area);
6893: }
1.1341 raeburn 6894: my ($author,$adv,$rar)= &set_userprivs(\%userroles,\%rolehash);
1.994 raeburn 6895: &appenv(\%userroles,[$role,'cm']);
1.1342 raeburn 6896: &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},"Role ".$spec);
1.1402 raeburn 6897: unless (($caller eq 'constructaccess' && $env{'request.course.id'}) ||
6898: ($caller eq 'tiny')) {
1.1088 raeburn 6899: &appenv( {'request.role' => $spec,
6900: 'request.role.domain' => $dcdom,
1.1332 raeburn 6901: 'request.course.sec' => $sec,
1.1088 raeburn 6902: }
6903: );
6904: my $tadv=0;
6905: if (&allowed('adv') eq 'F') { $tadv=1; }
6906: &appenv({'request.role.adv' => $tadv});
6907: }
1.994 raeburn 6908: }
6909:
1.12 www 6910: # --------------------------------------------------------------- get interface
6911:
6912: sub get {
1.131 albertel 6913: my ($namespace,$storearr,$udomain,$uname)=@_;
1.12 www 6914: my $items='';
1.800 albertel 6915: foreach my $item (@$storearr) {
6916: $items.=&escape($item).'&';
1.191 harris41 6917: }
1.12 www 6918: $items=~s/\&$//;
1.620 albertel 6919: if (!$udomain) { $udomain=$env{'user.domain'}; }
6920: if (!$uname) { $uname=$env{'user.name'}; }
1.131 albertel 6921: my $uhome=&homeserver($uname,$udomain);
6922:
1.133 albertel 6923: my $rep=&reply("get:$udomain:$uname:$namespace:$items",$uhome);
1.15 www 6924: my @pairs=split(/\&/,$rep);
1.273 albertel 6925: if ( $#pairs==0 && $pairs[0] =~ /^(con_lost|error|no_such_host)/i) {
6926: return @pairs;
6927: }
1.15 www 6928: my %returnhash=();
1.42 www 6929: my $i=0;
1.800 albertel 6930: foreach my $item (@$storearr) {
6931: $returnhash{$item}=&thaw_unescape($pairs[$i]);
1.42 www 6932: $i++;
1.191 harris41 6933: }
1.15 www 6934: return %returnhash;
1.27 www 6935: }
6936:
6937: # --------------------------------------------------------------- del interface
6938:
6939: sub del {
1.133 albertel 6940: my ($namespace,$storearr,$udomain,$uname)=@_;
1.27 www 6941: my $items='';
1.800 albertel 6942: foreach my $item (@$storearr) {
6943: $items.=&escape($item).'&';
1.191 harris41 6944: }
1.984 neumanie 6945:
1.27 www 6946: $items=~s/\&$//;
1.620 albertel 6947: if (!$udomain) { $udomain=$env{'user.domain'}; }
6948: if (!$uname) { $uname=$env{'user.name'}; }
1.133 albertel 6949: my $uhome=&homeserver($uname,$udomain);
6950: return &reply("del:$udomain:$uname:$namespace:$items",$uhome);
1.15 www 6951: }
6952:
6953: # -------------------------------------------------------------- dump interface
6954:
1.1180 droeschl 6955: sub unserialize {
6956: my ($rep, $escapedkeys) = @_;
6957:
6958: return {} if $rep =~ /^error/;
6959:
6960: my %returnhash=();
1.1252 raeburn 6961: foreach my $item (split(/\&/,$rep)) {
1.1180 droeschl 6962: my ($key, $value) = split(/=/, $item, 2);
6963: $key = unescape($key) unless $escapedkeys;
6964: next if $key =~ /^error: 2 /;
1.1252 raeburn 6965: $returnhash{$key} = &thaw_unescape($value);
1.1180 droeschl 6966: }
6967: #return %returnhash;
6968: return \%returnhash;
6969: }
6970:
6971: # see Lond::dump_with_regexp
6972: # if $escapedkeys hash keys won't get unescaped.
1.15 www 6973: sub dump {
1.1180 droeschl 6974: my ($namespace,$udomain,$uname,$regexp,$range,$escapedkeys)=@_;
1.755 albertel 6975: if (!$udomain) { $udomain=$env{'user.domain'}; }
6976: if (!$uname) { $uname=$env{'user.name'}; }
6977: my $uhome=&homeserver($uname,$udomain);
1.1167 droeschl 6978:
1.1266 raeburn 6979: if ($regexp) {
6980: $regexp=&escape($regexp);
6981: } else {
6982: $regexp='.';
6983: }
1.1180 droeschl 6984: if (grep { $_ eq $uhome } current_machine_ids()) {
6985: # user is hosted on this machine
1.1266 raeburn 6986: my $reply = LONCAPA::Lond::dump_with_regexp(join(":", ($udomain,
1.1226 raeburn 6987: $uname, $namespace, $regexp, $range)), $perlvar{'lonVersion'});
1.1180 droeschl 6988: return %{unserialize($reply, $escapedkeys)};
6989: }
1.1166 raeburn 6990: my $rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range",$uhome);
1.755 albertel 6991: my @pairs=split(/\&/,$rep);
6992: my %returnhash=();
1.1098 foxr 6993: if (!($rep =~ /^error/ )) {
6994: foreach my $item (@pairs) {
6995: my ($key,$value)=split(/=/,$item,2);
1.1180 droeschl 6996: $key = unescape($key) unless $escapedkeys;
6997: #$key = &unescape($key);
1.1098 foxr 6998: next if ($key =~ /^error: 2 /);
6999: $returnhash{$key}=&thaw_unescape($value);
7000: }
1.755 albertel 7001: }
7002: return %returnhash;
1.407 www 7003: }
7004:
1.1098 foxr 7005:
1.717 albertel 7006: # --------------------------------------------------------- dumpstore interface
7007:
7008: sub dumpstore {
7009: my ($namespace,$udomain,$uname,$regexp,$range)=@_;
1.1180 droeschl 7010: # same as dump but keys must be escaped. They may contain colon separated
7011: # lists of values that may themself contain colons (e.g. symbs).
7012: return &dump($namespace, $udomain, $uname, $regexp, $range, 1);
1.717 albertel 7013: }
7014:
1.407 www 7015: # -------------------------------------------------------------- keys interface
7016:
7017: sub getkeys {
7018: my ($namespace,$udomain,$uname)=@_;
1.620 albertel 7019: if (!$udomain) { $udomain=$env{'user.domain'}; }
7020: if (!$uname) { $uname=$env{'user.name'}; }
1.407 www 7021: my $uhome=&homeserver($uname,$udomain);
7022: my $rep=reply("keys:$udomain:$uname:$namespace",$uhome);
7023: my @keyarray=();
1.800 albertel 7024: foreach my $key (split(/\&/,$rep)) {
1.812 raeburn 7025: next if ($key =~ /^error: 2 /);
1.800 albertel 7026: push(@keyarray,&unescape($key));
1.407 www 7027: }
7028: return @keyarray;
1.318 matthew 7029: }
7030:
1.319 matthew 7031: # --------------------------------------------------------------- currentdump
7032: sub currentdump {
1.328 matthew 7033: my ($courseid,$sdom,$sname)=@_;
1.620 albertel 7034: $courseid = $env{'request.course.id'} if (! defined($courseid));
7035: $sdom = $env{'user.domain'} if (! defined($sdom));
7036: $sname = $env{'user.name'} if (! defined($sname));
1.326 matthew 7037: my $uhome = &homeserver($sname,$sdom);
1.1180 droeschl 7038: my $rep;
7039:
7040: if (grep { $_ eq $uhome } current_machine_ids()) {
7041: $rep = LONCAPA::Lond::dump_profile_database(join(":", ($sdom, $sname,
7042: $courseid)));
7043: } else {
7044: $rep = reply('currentdump:'.$sdom.':'.$sname.':'.$courseid,$uhome);
7045: }
7046:
1.318 matthew 7047: return if ($rep =~ /^(error:|no_such_host)/);
1.319 matthew 7048: #
1.318 matthew 7049: my %returnhash=();
1.319 matthew 7050: #
1.1343 raeburn 7051: if ($rep eq 'unknown_cmd') {
1.319 matthew 7052: # an old lond will not know currentdump
7053: # Do a dump and make it look like a currentdump
1.822 albertel 7054: my @tmp = &dumpstore($courseid,$sdom,$sname,'.');
1.319 matthew 7055: return if ($tmp[0] =~ /^(error:|no_such_host)/);
7056: my %hash = @tmp;
7057: @tmp=();
1.424 matthew 7058: %returnhash = %{&convert_dump_to_currentdump(\%hash)};
1.319 matthew 7059: } else {
7060: my @pairs=split(/\&/,$rep);
1.800 albertel 7061: foreach my $pair (@pairs) {
7062: my ($key,$value)=split(/=/,$pair,2);
1.319 matthew 7063: my ($symb,$param) = split(/:/,$key);
7064: $returnhash{&unescape($symb)}->{&unescape($param)} =
1.557 albertel 7065: &thaw_unescape($value);
1.319 matthew 7066: }
1.191 harris41 7067: }
1.12 www 7068: return %returnhash;
1.424 matthew 7069: }
7070:
7071: sub convert_dump_to_currentdump{
7072: my %hash = %{shift()};
7073: my %returnhash;
7074: # Code ripped from lond, essentially. The only difference
7075: # here is the unescaping done by lonnet::dump(). Conceivably
7076: # we might run in to problems with parameter names =~ /^v\./
7077: while (my ($key,$value) = each(%hash)) {
7078: my ($v,$symb,$param) = split(/:/,$key);
1.822 albertel 7079: $symb = &unescape($symb);
7080: $param = &unescape($param);
1.424 matthew 7081: next if ($v eq 'version' || $symb eq 'keys');
7082: next if (exists($returnhash{$symb}) &&
7083: exists($returnhash{$symb}->{$param}) &&
7084: $returnhash{$symb}->{'v.'.$param} > $v);
7085: $returnhash{$symb}->{$param}=$value;
7086: $returnhash{$symb}->{'v.'.$param}=$v;
7087: }
7088: #
7089: # Remove all of the keys in the hashes which keep track of
7090: # the version of the parameter.
7091: while (my ($symb,$param_hash) = each(%returnhash)) {
7092: # use a foreach because we are going to delete from the hash.
7093: foreach my $key (keys(%$param_hash)) {
7094: delete($param_hash->{$key}) if ($key =~ /^v\./);
7095: }
7096: }
7097: return \%returnhash;
1.12 www 7098: }
7099:
1.627 albertel 7100: # ------------------------------------------------------ critical inc interface
7101:
7102: sub cinc {
7103: return &inc(@_,'critical');
7104: }
7105:
1.449 matthew 7106: # --------------------------------------------------------------- inc interface
7107:
7108: sub inc {
1.627 albertel 7109: my ($namespace,$store,$udomain,$uname,$critical) = @_;
1.620 albertel 7110: if (!$udomain) { $udomain=$env{'user.domain'}; }
7111: if (!$uname) { $uname=$env{'user.name'}; }
1.449 matthew 7112: my $uhome=&homeserver($uname,$udomain);
7113: my $items='';
7114: if (! ref($store)) {
7115: # got a single value, so use that instead
7116: $items = &escape($store).'=&';
7117: } elsif (ref($store) eq 'SCALAR') {
7118: $items = &escape($$store).'=&';
7119: } elsif (ref($store) eq 'ARRAY') {
7120: $items = join('=&',map {&escape($_);} @{$store});
7121: } elsif (ref($store) eq 'HASH') {
7122: while (my($key,$value) = each(%{$store})) {
7123: $items.= &escape($key).'='.&escape($value).'&';
7124: }
7125: }
7126: $items=~s/\&$//;
1.627 albertel 7127: if ($critical) {
7128: return &critical("inc:$udomain:$uname:$namespace:$items",$uhome);
7129: } else {
7130: return &reply("inc:$udomain:$uname:$namespace:$items",$uhome);
7131: }
1.449 matthew 7132: }
7133:
1.12 www 7134: # --------------------------------------------------------------- put interface
7135:
7136: sub put {
1.134 albertel 7137: my ($namespace,$storehash,$udomain,$uname)=@_;
1.620 albertel 7138: if (!$udomain) { $udomain=$env{'user.domain'}; }
7139: if (!$uname) { $uname=$env{'user.name'}; }
1.134 albertel 7140: my $uhome=&homeserver($uname,$udomain);
1.12 www 7141: my $items='';
1.800 albertel 7142: foreach my $item (keys(%$storehash)) {
7143: $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';
1.191 harris41 7144: }
1.12 www 7145: $items=~s/\&$//;
1.134 albertel 7146: return &reply("put:$udomain:$uname:$namespace:$items",$uhome);
1.47 www 7147: }
7148:
1.631 albertel 7149: # ------------------------------------------------------------ newput interface
7150:
7151: sub newput {
7152: my ($namespace,$storehash,$udomain,$uname)=@_;
7153: if (!$udomain) { $udomain=$env{'user.domain'}; }
7154: if (!$uname) { $uname=$env{'user.name'}; }
7155: my $uhome=&homeserver($uname,$udomain);
7156: my $items='';
7157: foreach my $key (keys(%$storehash)) {
7158: $items.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&';
7159: }
7160: $items=~s/\&$//;
7161: return &reply("newput:$udomain:$uname:$namespace:$items",$uhome);
7162: }
7163:
7164: # --------------------------------------------------------- putstore interface
7165:
1.524 raeburn 7166: sub putstore {
1.1269 raeburn 7167: my ($namespace,$symb,$version,$storehash,$udomain,$uname,$tolog)=@_;
1.620 albertel 7168: if (!$udomain) { $udomain=$env{'user.domain'}; }
7169: if (!$uname) { $uname=$env{'user.name'}; }
1.524 raeburn 7170: my $uhome=&homeserver($uname,$udomain);
7171: my $items='';
1.715 albertel 7172: foreach my $key (keys(%$storehash)) {
7173: $items.= &escape($key).'='.&freeze_escape($storehash->{$key}).'&';
1.524 raeburn 7174: }
1.715 albertel 7175: $items=~s/\&$//;
1.716 albertel 7176: my $esc_symb=&escape($symb);
7177: my $esc_v=&escape($version);
1.715 albertel 7178: my $reply =
1.716 albertel 7179: &reply("putstore:$udomain:$uname:$namespace:$esc_symb:$esc_v:$items",
1.715 albertel 7180: $uhome);
1.1269 raeburn 7181: if (($tolog) && ($reply eq 'ok')) {
7182: my $namevalue='';
7183: foreach my $key (keys(%{$storehash})) {
7184: $namevalue.=&escape($key).'='.&freeze_escape($storehash->{$key}).'&';
7185: }
7186: $namevalue .= 'ip='.&escape($ENV{'REMOTE_ADDR'}).
7187: '&host='.&escape($perlvar{'lonHostID'}).
7188: '&version='.$esc_v.
7189: '&by='.&escape($env{'user.name'}.':'.$env{'user.domain'});
7190: &Apache::lonnet::courselog($symb.':'.$uname.':'.$udomain.':PUTSTORE:'.$namevalue);
7191: }
1.715 albertel 7192: if ($reply eq 'unknown_cmd') {
1.716 albertel 7193: # gfall back to way things use to be done
1.715 albertel 7194: return &old_putstore($namespace,$symb,$version,$storehash,$udomain,
7195: $uname);
1.524 raeburn 7196: }
1.715 albertel 7197: return $reply;
7198: }
7199:
7200: sub old_putstore {
1.716 albertel 7201: my ($namespace,$symb,$version,$storehash,$udomain,$uname)=@_;
7202: if (!$udomain) { $udomain=$env{'user.domain'}; }
7203: if (!$uname) { $uname=$env{'user.name'}; }
7204: my $uhome=&homeserver($uname,$udomain);
7205: my %newstorehash;
1.800 albertel 7206: foreach my $item (keys(%$storehash)) {
7207: my $key = $version.':'.&escape($symb).':'.$item;
7208: $newstorehash{$key} = $storehash->{$item};
1.716 albertel 7209: }
7210: my $items='';
7211: my %allitems = ();
1.800 albertel 7212: foreach my $item (keys(%newstorehash)) {
7213: if ($item =~ m/^([^\:]+):([^\:]+):([^\:]+)$/) {
1.716 albertel 7214: my $key = $1.':keys:'.$2;
7215: $allitems{$key} .= $3.':';
7216: }
1.800 albertel 7217: $items.=$item.'='.&freeze_escape($newstorehash{$item}).'&';
1.716 albertel 7218: }
1.800 albertel 7219: foreach my $item (keys(%allitems)) {
7220: $allitems{$item} =~ s/\:$//;
7221: $items.= $item.'='.$allitems{$item}.'&';
1.716 albertel 7222: }
7223: $items=~s/\&$//;
7224: return &reply("put:$udomain:$uname:$namespace:$items",$uhome);
1.524 raeburn 7225: }
7226:
1.47 www 7227: # ------------------------------------------------------ critical put interface
7228:
7229: sub cput {
1.134 albertel 7230: my ($namespace,$storehash,$udomain,$uname)=@_;
1.620 albertel 7231: if (!$udomain) { $udomain=$env{'user.domain'}; }
7232: if (!$uname) { $uname=$env{'user.name'}; }
1.134 albertel 7233: my $uhome=&homeserver($uname,$udomain);
1.47 www 7234: my $items='';
1.800 albertel 7235: foreach my $item (keys(%$storehash)) {
7236: $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';
1.191 harris41 7237: }
1.47 www 7238: $items=~s/\&$//;
1.134 albertel 7239: return &critical("put:$udomain:$uname:$namespace:$items",$uhome);
1.12 www 7240: }
7241:
7242: # -------------------------------------------------------------- eget interface
7243:
7244: sub eget {
1.133 albertel 7245: my ($namespace,$storearr,$udomain,$uname)=@_;
1.12 www 7246: my $items='';
1.800 albertel 7247: foreach my $item (@$storearr) {
7248: $items.=&escape($item).'&';
1.191 harris41 7249: }
1.12 www 7250: $items=~s/\&$//;
1.620 albertel 7251: if (!$udomain) { $udomain=$env{'user.domain'}; }
7252: if (!$uname) { $uname=$env{'user.name'}; }
1.133 albertel 7253: my $uhome=&homeserver($uname,$udomain);
7254: my $rep=&reply("eget:$udomain:$uname:$namespace:$items",$uhome);
1.12 www 7255: my @pairs=split(/\&/,$rep);
7256: my %returnhash=();
1.42 www 7257: my $i=0;
1.800 albertel 7258: foreach my $item (@$storearr) {
7259: $returnhash{$item}=&thaw_unescape($pairs[$i]);
1.42 www 7260: $i++;
1.191 harris41 7261: }
1.12 www 7262: return %returnhash;
7263: }
7264:
1.667 albertel 7265: # ------------------------------------------------------------ tmpput interface
7266: sub tmpput {
1.802 raeburn 7267: my ($storehash,$server,$context)=@_;
1.667 albertel 7268: my $items='';
1.800 albertel 7269: foreach my $item (keys(%$storehash)) {
7270: $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';
1.667 albertel 7271: }
7272: $items=~s/\&$//;
1.802 raeburn 7273: if (defined($context)) {
7274: $items .= ':'.&escape($context);
7275: }
1.667 albertel 7276: return &reply("tmpput:$items",$server);
7277: }
7278:
7279: # ------------------------------------------------------------ tmpget interface
7280: sub tmpget {
1.688 albertel 7281: my ($token,$server)=@_;
7282: if (!defined($server)) { $server = $perlvar{'lonHostID'}; }
7283: my $rep=&reply("tmpget:$token",$server);
1.667 albertel 7284: my %returnhash;
1.1328 raeburn 7285: if ($rep =~ /^(con_lost|error|no_such_host)/i) {
7286: return %returnhash;
7287: }
1.667 albertel 7288: foreach my $item (split(/\&/,$rep)) {
7289: my ($key,$value)=split(/=/,$item);
7290: $returnhash{&unescape($key)}=&thaw_unescape($value);
7291: }
7292: return %returnhash;
7293: }
7294:
1.1113 raeburn 7295: # ------------------------------------------------------------ tmpdel interface
1.688 albertel 7296: sub tmpdel {
7297: my ($token,$server)=@_;
7298: if (!defined($server)) { $server = $perlvar{'lonHostID'}; }
7299: return &reply("tmpdel:$token",$server);
7300: }
7301:
1.1198 raeburn 7302: # ------------------------------------------------------------ get_timebased_id
7303:
7304: sub get_timebased_id {
7305: my ($prefix,$keyid,$namespace,$cdom,$cnum,$idtype,$who,$locktries,
7306: $maxtries) = @_;
7307: my ($newid,$error,$dellock);
7308: unless (($prefix =~ /^\w+$/) && ($keyid =~ /^\w+$/) && ($namespace ne '')) {
7309: return ('','ok','invalid call to get suffix');
7310: }
7311:
7312: # set defaults for any optional args for which values were not supplied
7313: if ($who eq '') {
7314: $who = $env{'user.name'}.':'.$env{'user.domain'};
7315: }
7316: if (!$locktries) {
7317: $locktries = 3;
7318: }
7319: if (!$maxtries) {
7320: $maxtries = 10;
7321: }
7322:
7323: if (($cdom eq '') || ($cnum eq '')) {
7324: if ($env{'request.course.id'}) {
7325: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
7326: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
7327: }
7328: if (($cdom eq '') || ($cnum eq '')) {
7329: return ('','ok','call to get suffix not in course context');
7330: }
7331: }
7332:
7333: # construct locking item
7334: my $lockhash = {
7335: $prefix."\0".'locked_'.$keyid => $who,
7336: };
7337: my $tries = 0;
7338:
7339: # attempt to get lock on nohist_$namespace file
7340: my $gotlock = &Apache::lonnet::newput('nohist_'.$namespace,$lockhash,$cdom,$cnum);
7341: while (($gotlock ne 'ok') && $tries <$locktries) {
7342: $tries ++;
7343: sleep 1;
7344: $gotlock = &Apache::lonnet::newput('nohist_'.$namespace,$lockhash,$cdom,$cnum);
7345: }
7346:
7347: # attempt to get unique identifier, based on current timestamp
7348: if ($gotlock eq 'ok') {
7349: my %inuse = &Apache::lonnet::dump('nohist_'.$namespace,$cdom,$cnum,$prefix);
7350: my $id = time;
7351: $newid = $id;
1.1268 raeburn 7352: if ($idtype eq 'addcode') {
7353: $newid .= &sixnum_code();
7354: }
1.1198 raeburn 7355: my $idtries = 0;
7356: while (exists($inuse{$prefix."\0".$newid}) && $idtries < $maxtries) {
7357: if ($idtype eq 'concat') {
7358: $newid = $id.$idtries;
1.1268 raeburn 7359: } elsif ($idtype eq 'addcode') {
7360: $newid = $newid.&sixnum_code();
1.1198 raeburn 7361: } else {
7362: $newid ++;
7363: }
7364: $idtries ++;
7365: }
7366: if (!exists($inuse{$prefix."\0".$newid})) {
7367: my %new_item = (
7368: $prefix."\0".$newid => $who,
7369: );
7370: my $putresult = &Apache::lonnet::put('nohist_'.$namespace,\%new_item,
7371: $cdom,$cnum);
7372: if ($putresult ne 'ok') {
7373: undef($newid);
7374: $error = 'error saving new item: '.$putresult;
7375: }
7376: } else {
1.1268 raeburn 7377: undef($newid);
1.1198 raeburn 7378: $error = ('error: no unique suffix available for the new item ');
7379: }
7380: # remove lock
7381: my @del_lock = ($prefix."\0".'locked_'.$keyid);
7382: $dellock = &Apache::lonnet::del('nohist_'.$namespace,\@del_lock,$cdom,$cnum);
7383: } else {
7384: $error = "error: could not obtain lockfile\n";
7385: $dellock = 'ok';
1.1276 raeburn 7386: if (($prefix eq 'paste') && ($namespace eq 'courseeditor') && ($keyid eq 'num')) {
7387: $dellock = 'nolock';
7388: }
1.1198 raeburn 7389: }
7390: return ($newid,$dellock,$error);
7391: }
7392:
1.1268 raeburn 7393: sub sixnum_code {
7394: my $code;
7395: for (0..6) {
7396: $code .= int( rand(9) );
7397: }
7398: return $code;
7399: }
7400:
1.765 albertel 7401: # -------------------------------------------------- portfolio access checking
7402:
7403: sub portfolio_access {
1.1270 raeburn 7404: my ($requrl,$clientip) = @_;
1.765 albertel 7405: my (undef,$udom,$unum,$file_name,$group) = &parse_portfolio_url($requrl);
1.1270 raeburn 7406: my $result = &get_portfolio_access($udom,$unum,$file_name,$group,$clientip);
1.814 raeburn 7407: if ($result) {
7408: my %setters;
7409: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
7410: my ($startblock,$endblock) =
7411: &Apache::loncommon::blockcheck(\%setters,'port',$unum,$udom);
7412: if ($startblock && $endblock) {
7413: return 'B';
7414: }
7415: } else {
7416: my ($startblock,$endblock) =
7417: &Apache::loncommon::blockcheck(\%setters,'port');
7418: if ($startblock && $endblock) {
7419: return 'B';
7420: }
7421: }
7422: }
1.765 albertel 7423: if ($result eq 'ok') {
1.766 albertel 7424: return 'F';
1.765 albertel 7425: } elsif ($result =~ /^[^:]+:guest_/) {
1.766 albertel 7426: return 'A';
1.765 albertel 7427: }
1.766 albertel 7428: return '';
1.765 albertel 7429: }
7430:
7431: sub get_portfolio_access {
1.1270 raeburn 7432: my ($udom,$unum,$file_name,$group,$clientip,$access_hash) = @_;
1.767 albertel 7433:
7434: if (!ref($access_hash)) {
7435: my $current_perms = &get_portfile_permissions($udom,$unum);
7436: my %access_controls = &get_access_controls($current_perms,$group,
7437: $file_name);
7438: $access_hash = $access_controls{$file_name};
7439: }
7440:
1.1270 raeburn 7441: my ($public,$guest,@domains,@users,@courses,@groups,@ips);
1.765 albertel 7442: my $now = time;
7443: if (ref($access_hash) eq 'HASH') {
7444: foreach my $key (keys(%{$access_hash})) {
7445: my ($num,$scope,$end,$start) = ($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/);
7446: if ($start > $now) {
7447: next;
7448: }
7449: if ($end && $end<$now) {
7450: next;
7451: }
7452: if ($scope eq 'public') {
7453: $public = $key;
7454: last;
7455: } elsif ($scope eq 'guest') {
7456: $guest = $key;
7457: } elsif ($scope eq 'domains') {
7458: push(@domains,$key);
7459: } elsif ($scope eq 'users') {
7460: push(@users,$key);
7461: } elsif ($scope eq 'course') {
7462: push(@courses,$key);
7463: } elsif ($scope eq 'group') {
7464: push(@groups,$key);
1.1270 raeburn 7465: } elsif ($scope eq 'ip') {
7466: push(@ips,$key);
1.765 albertel 7467: }
7468: }
7469: if ($public) {
7470: return 'ok';
1.1270 raeburn 7471: } elsif (@ips > 0) {
7472: my $allowed;
7473: foreach my $ipkey (@ips) {
7474: if (ref($access_hash->{$ipkey}{'ip'}) eq 'ARRAY') {
7475: if (&Apache::loncommon::check_ip_acc(join(',',@{$access_hash->{$ipkey}{'ip'}}),$clientip)) {
7476: $allowed = 1;
7477: last;
7478: }
7479: }
7480: }
7481: if ($allowed) {
7482: return 'ok';
7483: }
1.765 albertel 7484: }
7485: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
7486: if ($guest) {
7487: return $guest;
7488: }
7489: } else {
7490: if (@domains > 0) {
7491: foreach my $domkey (@domains) {
7492: if (ref($access_hash->{$domkey}{'dom'}) eq 'ARRAY') {
7493: if (grep(/^\Q$env{'user.domain'}\E$/,@{$access_hash->{$domkey}{'dom'}})) {
7494: return 'ok';
7495: }
7496: }
7497: }
7498: }
7499: if (@users > 0) {
7500: foreach my $userkey (@users) {
1.865 raeburn 7501: if (ref($access_hash->{$userkey}{'users'}) eq 'ARRAY') {
7502: foreach my $item (@{$access_hash->{$userkey}{'users'}}) {
7503: if (ref($item) eq 'HASH') {
7504: if (($item->{'uname'} eq $env{'user.name'}) &&
7505: ($item->{'udom'} eq $env{'user.domain'})) {
7506: return 'ok';
7507: }
7508: }
7509: }
7510: }
1.765 albertel 7511: }
7512: }
7513: my %roleshash;
7514: my @courses_and_groups = @courses;
7515: push(@courses_and_groups,@groups);
7516: if (@courses_and_groups > 0) {
7517: my (%allgroups,%allroles);
7518: my ($start,$end,$role,$sec,$group);
7519: foreach my $envkey (%env) {
1.1060 raeburn 7520: if ($envkey =~ m-^user\.role\.(gr|cc|co|in|ta|ep|ad|st)\./($match_domain)/($match_courseid)/?([^/]*)$-) {
1.765 albertel 7521: my $cid = $2.'_'.$3;
7522: if ($1 eq 'gr') {
7523: $group = $4;
7524: $allgroups{$cid}{$group} = $env{$envkey};
7525: } else {
7526: if ($4 eq '') {
7527: $sec = 'none';
7528: } else {
7529: $sec = $4;
7530: }
7531: $allroles{$cid}{$1}{$sec} = $env{$envkey};
7532: }
1.811 albertel 7533: } elsif ($envkey =~ m-^user\.role\./cr/($match_domain/$match_username/\w*)./($match_domain)/($match_courseid)/?([^/]*)$-) {
1.765 albertel 7534: my $cid = $2.'_'.$3;
7535: if ($4 eq '') {
7536: $sec = 'none';
7537: } else {
7538: $sec = $4;
7539: }
7540: $allroles{$cid}{$1}{$sec} = $env{$envkey};
7541: }
7542: }
7543: if (keys(%allroles) == 0) {
7544: return;
7545: }
7546: foreach my $key (@courses_and_groups) {
7547: my %content = %{$$access_hash{$key}};
7548: my $cnum = $content{'number'};
7549: my $cdom = $content{'domain'};
7550: my $cid = $cdom.'_'.$cnum;
7551: if (!exists($allroles{$cid})) {
7552: next;
7553: }
7554: foreach my $role_id (keys(%{$content{'roles'}})) {
7555: my @sections = @{$content{'roles'}{$role_id}{'section'}};
7556: my @groups = @{$content{'roles'}{$role_id}{'group'}};
7557: my @status = @{$content{'roles'}{$role_id}{'access'}};
7558: my @roles = @{$content{'roles'}{$role_id}{'role'}};
7559: foreach my $role (keys(%{$allroles{$cid}})) {
7560: if ((grep/^all$/,@roles) || (grep/^\Q$role\E$/,@roles)) {
7561: foreach my $sec (keys(%{$allroles{$cid}{$role}})) {
7562: if (&course_group_datechecker($allroles{$cid}{$role}{$sec},$now,\@status) eq 'ok') {
7563: if (grep/^all$/,@sections) {
7564: return 'ok';
7565: } else {
7566: if (grep/^$sec$/,@sections) {
7567: return 'ok';
7568: }
7569: }
7570: }
7571: }
7572: if (keys(%{$allgroups{$cid}}) == 0) {
7573: if (grep/^none$/,@groups) {
7574: return 'ok';
7575: }
7576: } else {
7577: if (grep/^all$/,@groups) {
7578: return 'ok';
7579: }
7580: foreach my $group (keys(%{$allgroups{$cid}})) {
7581: if (grep/^$group$/,@groups) {
7582: return 'ok';
7583: }
7584: }
7585: }
7586: }
7587: }
7588: }
7589: }
7590: }
7591: if ($guest) {
7592: return $guest;
7593: }
7594: }
7595: }
7596: return;
7597: }
7598:
7599: sub course_group_datechecker {
7600: my ($dates,$now,$status) = @_;
7601: my ($start,$end) = split(/\./,$dates);
7602: if (!$start && !$end) {
7603: return 'ok';
7604: }
7605: if (grep/^active$/,@{$status}) {
7606: if (((!$start) || ($start && $start <= $now)) && ((!$end) || ($end && $end >= $now))) {
7607: return 'ok';
7608: }
7609: }
7610: if (grep/^previous$/,@{$status}) {
7611: if ($end > $now ) {
7612: return 'ok';
7613: }
7614: }
7615: if (grep/^future$/,@{$status}) {
7616: if ($start > $now) {
7617: return 'ok';
7618: }
7619: }
7620: return;
7621: }
7622:
7623: sub parse_portfolio_url {
7624: my ($url) = @_;
7625:
7626: my ($type,$udom,$unum,$group,$file_name);
7627:
1.823 albertel 7628: if ($url =~ m-^/*(?:uploaded|editupload)/($match_domain)/($match_username)/portfolio(/.+)$-) {
1.765 albertel 7629: $type = 1;
7630: $udom = $1;
7631: $unum = $2;
7632: $file_name = $3;
1.823 albertel 7633: } elsif ($url =~ m-^/*(?:uploaded|editupload)/($match_domain)/($match_courseid)/groups/([^/]+)/portfolio/(.+)$-) {
1.765 albertel 7634: $type = 2;
7635: $udom = $1;
7636: $unum = $2;
7637: $group = $3;
7638: $file_name = $3.'/'.$4;
7639: }
7640: if (wantarray) {
7641: return ($type,$udom,$unum,$file_name,$group);
7642: }
7643: return $type;
7644: }
7645:
7646: sub is_portfolio_url {
7647: my ($url) = @_;
7648: return scalar(&parse_portfolio_url($url));
7649: }
7650:
1.798 raeburn 7651: sub is_portfolio_file {
7652: my ($file) = @_;
1.820 raeburn 7653: if (($file =~ /^portfolio/) || ($file =~ /^groups\/\w+\/portfolio/)) {
1.798 raeburn 7654: return 1;
7655: }
7656: return;
7657: }
7658:
1.976 raeburn 7659: sub usertools_access {
1.1084 raeburn 7660: my ($uname,$udom,$tool,$action,$context,$userenvref,$domdefref,$is_advref)=@_;
1.985 raeburn 7661: my ($access,%tools);
7662: if ($context eq '') {
7663: $context = 'tools';
7664: }
7665: if ($context eq 'requestcourses') {
7666: %tools = (
7667: official => 1,
7668: unofficial => 1,
1.1006 raeburn 7669: community => 1,
1.1246 raeburn 7670: textbook => 1,
1.1305 raeburn 7671: placement => 1,
1.1368 raeburn 7672: lti => 1,
1.985 raeburn 7673: );
1.1183 raeburn 7674: } elsif ($context eq 'requestauthor') {
7675: %tools = (
7676: requestauthor => 1,
7677: );
1.985 raeburn 7678: } else {
7679: %tools = (
7680: aboutme => 1,
7681: blog => 1,
1.1177 raeburn 7682: webdav => 1,
1.985 raeburn 7683: portfolio => 1,
7684: );
7685: }
1.976 raeburn 7686: return if (!defined($tools{$tool}));
7687:
1.1242 raeburn 7688: if (($udom eq '') || ($uname eq '')) {
1.976 raeburn 7689: $udom = $env{'user.domain'};
7690: $uname = $env{'user.name'};
7691: }
7692:
1.978 raeburn 7693: if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) {
7694: if ($action ne 'reload') {
1.985 raeburn 7695: if ($context eq 'requestcourses') {
7696: return $env{'environment.canrequest.'.$tool};
1.1183 raeburn 7697: } elsif ($context eq 'requestauthor') {
7698: return $env{'environment.canrequest.author'};
1.985 raeburn 7699: } else {
7700: return $env{'environment.availabletools.'.$tool};
7701: }
7702: }
1.976 raeburn 7703: }
7704:
1.1183 raeburn 7705: my ($toolstatus,$inststatus,$envkey);
7706: if ($context eq 'requestauthor') {
7707: $envkey = $context;
7708: } else {
7709: $envkey = $context.'.'.$tool;
7710: }
1.976 raeburn 7711:
1.985 raeburn 7712: if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'}) &&
7713: ($action ne 'reload')) {
1.1183 raeburn 7714: $toolstatus = $env{'environment.'.$envkey};
1.976 raeburn 7715: $inststatus = $env{'environment.inststatus'};
7716: } else {
1.1084 raeburn 7717: if (ref($userenvref) eq 'HASH') {
1.1183 raeburn 7718: $toolstatus = $userenvref->{$envkey};
1.1084 raeburn 7719: $inststatus = $userenvref->{'inststatus'};
7720: } else {
1.1183 raeburn 7721: my %userenv = &userenvironment($udom,$uname,$envkey,'inststatus');
7722: $toolstatus = $userenv{$envkey};
1.1084 raeburn 7723: $inststatus = $userenv{'inststatus'};
7724: }
1.976 raeburn 7725: }
7726:
7727: if ($toolstatus ne '') {
7728: if ($toolstatus) {
7729: $access = 1;
7730: } else {
7731: $access = 0;
7732: }
7733: return $access;
7734: }
7735:
1.1084 raeburn 7736: my ($is_adv,%domdef);
7737: if (ref($is_advref) eq 'HASH') {
7738: $is_adv = $is_advref->{'is_adv'};
7739: } else {
7740: $is_adv = &is_advanced_user($udom,$uname);
7741: }
7742: if (ref($domdefref) eq 'HASH') {
7743: %domdef = %{$domdefref};
7744: } else {
7745: %domdef = &get_domain_defaults($udom);
7746: }
1.976 raeburn 7747: if (ref($domdef{$tool}) eq 'HASH') {
7748: if ($is_adv) {
7749: if ($domdef{$tool}{'_LC_adv'} ne '') {
7750: if ($domdef{$tool}{'_LC_adv'}) {
7751: $access = 1;
7752: } else {
7753: $access = 0;
7754: }
7755: return $access;
7756: }
7757: }
7758: if ($inststatus ne '') {
7759: my ($hasaccess,$hasnoaccess);
7760: foreach my $affiliation (split(/:/,$inststatus)) {
7761: if ($domdef{$tool}{$affiliation} ne '') {
7762: if ($domdef{$tool}{$affiliation}) {
7763: $hasaccess = 1;
7764: } else {
7765: $hasnoaccess = 1;
7766: }
7767: }
7768: }
7769: if ($hasaccess || $hasnoaccess) {
7770: if ($hasaccess) {
7771: $access = 1;
7772: } elsif ($hasnoaccess) {
7773: $access = 0;
7774: }
7775: return $access;
7776: }
7777: } else {
7778: if ($domdef{$tool}{'default'} ne '') {
7779: if ($domdef{$tool}{'default'}) {
7780: $access = 1;
7781: } elsif ($domdef{$tool}{'default'} == 0) {
7782: $access = 0;
7783: }
7784: return $access;
7785: }
7786: }
7787: } else {
1.1177 raeburn 7788: if (($context eq 'tools') && ($tool ne 'webdav')) {
1.985 raeburn 7789: $access = 1;
7790: } else {
7791: $access = 0;
7792: }
1.976 raeburn 7793: return $access;
7794: }
7795: }
7796:
1.1050 raeburn 7797: sub is_course_owner {
7798: my ($cdom,$cnum,$udom,$uname) = @_;
7799: if (($udom eq '') || ($uname eq '')) {
7800: $udom = $env{'user.domain'};
7801: $uname = $env{'user.name'};
7802: }
7803: unless (($udom eq '') || ($uname eq '')) {
7804: if (exists($env{'course.'.$cdom.'_'.$cnum.'.internal.courseowner'})) {
7805: if ($env{'course.'.$cdom.'_'.$cnum.'.internal.courseowner'} eq $uname.':'.$udom) {
7806: return 1;
7807: } else {
7808: my %courseinfo = &Apache::lonnet::coursedescription($cdom.'/'.$cnum);
7809: if ($courseinfo{'internal.courseowner'} eq $uname.':'.$udom) {
7810: return 1;
7811: }
7812: }
7813: }
7814: }
7815: return;
7816: }
7817:
1.976 raeburn 7818: sub is_advanced_user {
7819: my ($udom,$uname) = @_;
1.1085 raeburn 7820: if ($udom ne '' && $uname ne '') {
7821: if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) {
1.1128 raeburn 7822: if (wantarray) {
7823: return ($env{'user.adv'},$env{'user.author'});
7824: } else {
7825: return $env{'user.adv'};
7826: }
1.1085 raeburn 7827: }
7828: }
1.976 raeburn 7829: my %roleshash = &get_my_roles($uname,$udom,'userroles',undef,undef,undef,1);
7830: my %allroles;
1.1128 raeburn 7831: my ($is_adv,$is_author);
1.976 raeburn 7832: foreach my $role (keys(%roleshash)) {
7833: my ($trest,$tdomain,$trole,$sec) = split(/:/,$role);
7834: my $area = '/'.$tdomain.'/'.$trest;
7835: if ($sec ne '') {
7836: $area .= '/'.$sec;
7837: }
7838: if (($area ne '') && ($trole ne '')) {
7839: my $spec=$trole.'.'.$area;
7840: if ($trole =~ /^cr\//) {
7841: &custom_roleprivs(\%allroles,$trole,$tdomain,$trest,$spec,$area);
7842: } elsif ($trole ne 'gr') {
7843: &standard_roleprivs(\%allroles,$trole,$tdomain,$spec,$trest,$area);
7844: }
1.1128 raeburn 7845: if ($trole eq 'au') {
7846: $is_author = 1;
7847: }
1.976 raeburn 7848: }
7849: }
7850: foreach my $role (keys(%allroles)) {
7851: last if ($is_adv);
7852: foreach my $item (split(/:/,$allroles{$role})) {
7853: if ($item ne '') {
7854: my ($privilege,$restrictions)=split(/&/,$item);
7855: if ($privilege eq 'adv') {
7856: $is_adv = 1;
7857: last;
7858: }
7859: }
7860: }
7861: }
1.1128 raeburn 7862: if (wantarray) {
7863: return ($is_adv,$is_author);
7864: }
1.976 raeburn 7865: return $is_adv;
7866: }
1.798 raeburn 7867:
1.1035 raeburn 7868: sub check_can_request {
1.1368 raeburn 7869: my ($dom,$can_request,$request_domains,$uname,$udom) = @_;
1.1035 raeburn 7870: my $canreq = 0;
1.1368 raeburn 7871: if (($env{'user.name'} ne '') && ($env{'user.domain'} ne '')) {
7872: $uname = $env{'user.name'};
7873: $udom = $env{'user.domain'};
7874: }
1.1035 raeburn 7875: my ($types,$typename) = &Apache::loncommon::course_types();
7876: my @options = ('approval','validate','autolimit');
7877: my $optregex = join('|',@options);
7878: if ((ref($can_request) eq 'HASH') && (ref($types) eq 'ARRAY')) {
7879: foreach my $type (@{$types}) {
1.1368 raeburn 7880: if (&usertools_access($uname,$udom,$type,undef,
7881: 'requestcourses')) {
1.1035 raeburn 7882: $canreq ++;
1.1036 raeburn 7883: if (ref($request_domains) eq 'HASH') {
1.1368 raeburn 7884: push(@{$request_domains->{$type}},$udom);
1.1036 raeburn 7885: }
1.1368 raeburn 7886: if ($dom eq $udom) {
1.1035 raeburn 7887: $can_request->{$type} = 1;
7888: }
7889: }
1.1368 raeburn 7890: if (($env{'user.name'} ne '') && ($env{'user.domain'} ne '') &&
7891: ($env{'environment.reqcrsotherdom.'.$type} ne '')) {
1.1035 raeburn 7892: my @curr = split(',',$env{'environment.reqcrsotherdom.'.$type});
7893: if (@curr > 0) {
1.1036 raeburn 7894: foreach my $item (@curr) {
7895: if (ref($request_domains) eq 'HASH') {
7896: my ($otherdom) = ($item =~ /^($match_domain):($optregex)(=?\d*)$/);
7897: if ($otherdom ne '') {
7898: if (ref($request_domains->{$type}) eq 'ARRAY') {
7899: unless (grep(/^\Q$otherdom\E$/,@{$request_domains->{$type}})) {
7900: push(@{$request_domains->{$type}},$otherdom);
7901: }
7902: } else {
7903: push(@{$request_domains->{$type}},$otherdom);
7904: }
7905: }
7906: }
7907: }
1.1368 raeburn 7908: unless ($dom eq $env{'user.domain'}) {
1.1036 raeburn 7909: $canreq ++;
1.1035 raeburn 7910: if (grep(/^\Q$dom\E:($optregex)(=?\d*)$/,@curr)) {
7911: $can_request->{$type} = 1;
7912: }
7913: }
7914: }
7915: }
7916: }
7917: }
7918: return $canreq;
7919: }
7920:
1.341 www 7921: # ---------------------------------------------- Custom access rule evaluation
7922:
7923: sub customaccess {
7924: my ($priv,$uri)=@_;
1.807 albertel 7925: my ($urole,$urealm)=split(/\./,$env{'request.role'},2);
1.819 www 7926: my (undef,$udom,$ucrs,$usec)=split(/\//,$urealm);
1.807 albertel 7927: $udom = &LONCAPA::clean_domain($udom);
7928: $ucrs = &LONCAPA::clean_username($ucrs);
1.341 www 7929: my $access=0;
1.800 albertel 7930: foreach my $right (split(/\s*\,\s*/,&metadata($uri,'rule_rights'))) {
1.893 albertel 7931: my ($effect,$realm,$role,$type)=split(/\:/,$right);
7932: if ($type eq 'user') {
7933: foreach my $scope (split(/\s*\,\s*/,$realm)) {
1.896 albertel 7934: my ($tdom,$tuname)=split(m{/},$scope);
1.893 albertel 7935: if ($tdom) {
7936: if ($tdom ne $env{'user.domain'}) { next; }
7937: }
1.896 albertel 7938: if ($tuname) {
7939: if ($tuname ne $env{'user.name'}) { next; }
1.893 albertel 7940: }
7941: $access=($effect eq 'allow');
7942: last;
7943: }
7944: } else {
7945: if ($role) {
7946: if ($role ne $urole) { next; }
7947: }
7948: foreach my $scope (split(/\s*\,\s*/,$realm)) {
7949: my ($tdom,$tcrs,$tsec)=split(/\_/,$scope);
7950: if ($tdom) {
7951: if ($tdom ne $udom) { next; }
7952: }
7953: if ($tcrs) {
7954: if ($tcrs ne $ucrs) { next; }
7955: }
7956: if ($tsec) {
7957: if ($tsec ne $usec) { next; }
7958: }
7959: $access=($effect eq 'allow');
7960: last;
7961: }
7962: if ($realm eq '' && $role eq '') {
7963: $access=($effect eq 'allow');
7964: }
1.402 bowersj2 7965: }
1.341 www 7966: }
7967: return $access;
7968: }
7969:
1.103 harris41 7970: # ------------------------------------------------- Check for a user privilege
1.12 www 7971:
7972: sub allowed {
1.1281 raeburn 7973: my ($priv,$uri,$symb,$role,$clientip,$noblockcheck)=@_;
1.705 albertel 7974: my $ver_orguri=$uri;
1.439 www 7975: $uri=&deversion($uri);
1.152 www 7976: my $orguri=$uri;
1.52 www 7977: $uri=&declutter($uri);
1.809 raeburn 7978:
1.810 raeburn 7979: if ($priv eq 'evb') {
7980: # Evade communication block restrictions for specified role in a course
7981: if ($env{'user.priv.'.$role} =~/evb\&([^\:]*)/) {
7982: return $1;
7983: } else {
7984: return;
7985: }
7986: }
7987:
1.620 albertel 7988: if (defined($env{'allowed.'.$priv})) { return $env{'allowed.'.$priv}; }
1.54 www 7989: # Free bre access to adm and meta resources
1.1343 raeburn 7990: if (((($uri=~/^adm\//) && ($uri !~ m{/(?:smppg|bulletinboard|ext\.tool)$}))
1.769 albertel 7991: || (($uri=~/\.meta$/) && ($uri!~m|^uploaded/|) ))
7992: && ($priv eq 'bre')) {
1.14 www 7993: return 'F';
1.159 www 7994: }
7995:
1.545 banghart 7996: # Free bre access to user's own portfolio contents
1.714 raeburn 7997: my ($space,$domain,$name,@dir)=split('/',$uri);
1.647 raeburn 7998: if (($space=~/^(uploaded|editupload)$/) && ($env{'user.name'} eq $name) &&
1.714 raeburn 7999: ($env{'user.domain'} eq $domain) && ('portfolio' eq $dir[0])) {
1.814 raeburn 8000: my %setters;
8001: my ($startblock,$endblock) =
8002: &Apache::loncommon::blockcheck(\%setters,'port');
8003: if ($startblock && $endblock) {
8004: return 'B';
8005: } else {
8006: return 'F';
8007: }
1.545 banghart 8008: }
8009:
1.762 raeburn 8010: # bre access to group portfolio for rgf priv in group, or mdg or vcg in course.
1.714 raeburn 8011: if (($space=~/^(uploaded|editupload)$/) && ($dir[0] eq 'groups')
8012: && ($dir[2] eq 'portfolio') && ($priv eq 'bre')) {
8013: if (exists($env{'request.course.id'})) {
8014: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
8015: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
8016: if (($domain eq $cdom) && ($name eq $cnum)) {
8017: my $courseprivid=$env{'request.course.id'};
8018: $courseprivid=~s/\_/\//;
8019: if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid
8020: .'/'.$dir[1]} =~/rgf\&([^\:]*)/) {
8021: return $1;
1.762 raeburn 8022: } else {
8023: if ($env{'request.course.sec'}) {
8024: $courseprivid.='/'.$env{'request.course.sec'};
8025: }
8026: if ($env{'user.priv.'.$env{'request.role'}.'./'.
8027: $courseprivid} =~/(mdg|vcg)\&([^\:]*)/) {
8028: return $2;
8029: }
1.714 raeburn 8030: }
8031: }
8032: }
8033: }
8034:
1.159 www 8035: # Free bre to public access
8036:
8037: if ($priv eq 'bre') {
1.1362 raeburn 8038: my $copyright;
8039: unless ($uri =~ /ext\.tool/) {
8040: $copyright=&metadata($uri,'copyright');
8041: }
1.620 albertel 8042: if (($copyright eq 'public') && (!$env{'request.course.id'})) {
1.301 www 8043: return 'F';
8044: }
1.238 www 8045: if ($copyright eq 'priv') {
8046: $uri=~/([^\/]+)\/([^\/]+)\//;
1.620 albertel 8047: unless (($env{'user.name'} eq $2) && ($env{'user.domain'} eq $1)) {
1.238 www 8048: return '';
8049: }
8050: }
8051: if ($copyright eq 'domain') {
8052: $uri=~/([^\/]+)\/([^\/]+)\//;
1.620 albertel 8053: unless (($env{'user.domain'} eq $1) ||
8054: ($env{'course.'.$env{'request.course.id'}.'.domain'} eq $1)) {
1.238 www 8055: return '';
8056: }
1.262 matthew 8057: }
1.620 albertel 8058: if ($env{'request.role'}=~ /li\.\//) {
1.262 matthew 8059: # Library role, so allow browsing of resources in this domain.
8060: return 'F';
1.238 www 8061: }
1.341 www 8062: if ($copyright eq 'custom') {
8063: unless (&customaccess($priv,$uri)) { return ''; }
8064: }
1.14 www 8065: }
1.264 matthew 8066: # Domain coordinator is trying to create a course
1.620 albertel 8067: if (($priv eq 'ccc') && ($env{'request.role'} =~ /^dc\./)) {
1.264 matthew 8068: # uri is the requested domain in this case.
8069: # comparison to 'request.role.domain' shows if the user has selected
1.678 raeburn 8070: # a role of dc for the domain in question.
1.620 albertel 8071: return 'F' if ($uri eq $env{'request.role.domain'});
1.264 matthew 8072: }
1.29 www 8073:
1.52 www 8074: my $thisallowed='';
8075: my $statecond=0;
8076: my $courseprivid='';
8077:
1.1039 raeburn 8078: my $ownaccess;
1.1043 raeburn 8079: # Community Coordinator or Assistant Co-author browsing resource space.
1.1039 raeburn 8080: if (($priv eq 'bro') && ($env{'user.author'})) {
8081: if ($uri eq '') {
8082: $ownaccess = 1;
8083: } else {
8084: if (($env{'user.domain'} ne '') && ($env{'user.name'} ne '')) {
8085: my $udom = $env{'user.domain'};
8086: my $uname = $env{'user.name'};
8087: if ($uri =~ m{^\Q$udom\E/?$}) {
8088: $ownaccess = 1;
1.1040 raeburn 8089: } elsif ($uri =~ m{^\Q$udom\E/\Q$uname\E/?}) {
1.1039 raeburn 8090: unless ($uri =~ m{\.\./}) {
8091: $ownaccess = 1;
8092: }
8093: } elsif (($udom ne 'public') && ($uname ne 'public')) {
8094: my $now = time;
8095: if ($uri =~ m{^([^/]+)/?$}) {
8096: my $adom = $1;
8097: foreach my $key (keys(%env)) {
1.1042 raeburn 8098: if ($key =~ m{^user\.role\.(ca|aa)/\Q$adom\E}) {
1.1039 raeburn 8099: my ($start,$end) = split('.',$env{$key});
8100: if (($now >= $start) && (!$end || $end < $now)) {
8101: $ownaccess = 1;
8102: last;
8103: }
8104: }
8105: }
8106: } elsif ($uri =~ m{^([^/]+)/([^/]+)/?}) {
8107: my $adom = $1;
8108: my $aname = $2;
1.1042 raeburn 8109: foreach my $role ('ca','aa') {
8110: if ($env{"user.role.$role./$adom/$aname"}) {
8111: my ($start,$end) =
8112: split('.',$env{"user.role.$role./$adom/$aname"});
8113: if (($now >= $start) && (!$end || $end < $now)) {
8114: $ownaccess = 1;
8115: last;
8116: }
1.1039 raeburn 8117: }
8118: }
8119: }
8120: }
8121: }
8122: }
8123: }
8124:
1.52 www 8125: # Course
8126:
1.620 albertel 8127: if ($env{'user.priv.'.$env{'request.role'}.'./'}=~/\Q$priv\E\&([^\:]*)/) {
1.1043 raeburn 8128: unless (($priv eq 'bro') && (!$ownaccess)) {
1.1039 raeburn 8129: $thisallowed.=$1;
8130: }
1.52 www 8131: }
1.29 www 8132:
1.52 www 8133: # Domain
8134:
1.620 albertel 8135: if ($env{'user.priv.'.$env{'request.role'}.'./'.(split(/\//,$uri))[0].'/'}
1.479 albertel 8136: =~/\Q$priv\E\&([^\:]*)/) {
1.1043 raeburn 8137: unless (($priv eq 'bro') && (!$ownaccess)) {
1.1039 raeburn 8138: $thisallowed.=$1;
8139: }
1.12 www 8140: }
1.52 www 8141:
1.1141 raeburn 8142: # User who is not author or co-author might still be able to edit
8143: # resource of an author in the domain (e.g., if Domain Coordinator).
8144: if (($priv eq 'eco') && ($thisallowed eq '') && ($env{'request.course.id'}) &&
8145: (&allowed('mdc',$env{'request.course.id'}))) {
8146: if ($env{"user.priv.cm./$uri/"}=~/\Q$priv\E\&([^\:]*)/) {
8147: $thisallowed.=$1;
8148: }
8149: }
8150:
1.52 www 8151: # Course: uri itself is a course
1.66 www 8152: my $courseuri=$uri;
8153: $courseuri=~s/\_(\d)/\/$1/;
1.83 www 8154: $courseuri=~s/^([^\/])/\/$1/;
1.81 www 8155:
1.620 albertel 8156: if ($env{'user.priv.'.$env{'request.role'}.'.'.$courseuri}
1.479 albertel 8157: =~/\Q$priv\E\&([^\:]*)/) {
1.1409 raeburn 8158: if ($priv eq 'mip') {
8159: my $rem = $1;
8160: if (($uri ne '') && ($env{'request.course.id'} eq $uri) &&
8161: ($env{'course.'.$env{'request.course.id'}.'.internal.courseowner'} eq $env{'user.name'}.':'.$env{'user.domain'})) {
8162: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
8163: if ($cdom ne '') {
1.1410 raeburn 8164: my %passwdconf = &get_passwdconf($cdom);
8165: if (ref($passwdconf{'crsownerchg'}) eq 'HASH') {
8166: if (ref($passwdconf{'crsownerchg'}{'by'}) eq 'ARRAY') {
8167: if (@{$passwdconf{'crsownerchg'}{'by'}}) {
8168: my @inststatuses = split(':',$env{'environment.inststatus'});
8169: unless (@inststatuses) {
8170: @inststatuses = ('default');
8171: }
8172: foreach my $status (@inststatuses) {
8173: if (grep(/^\Q$status\E$/,@{$passwdconf{'crsownerchg'}{'by'}})) {
8174: $thisallowed.=$rem;
8175: }
8176: }
8177: }
8178: }
1.1409 raeburn 8179: }
8180: }
8181: }
8182: } else {
8183: unless (($priv eq 'bro') && (!$ownaccess)) {
8184: $thisallowed.=$1;
8185: }
1.1039 raeburn 8186: }
1.12 www 8187: }
1.29 www 8188:
1.665 albertel 8189: # URI is an uploaded document for this course, default permissions don't matter
1.611 albertel 8190: # not allowing 'edit' access (editupload) to uploaded course docs
1.492 albertel 8191: if (($priv eq 'bre') && ($uri=~m|^uploaded/|)) {
1.665 albertel 8192: $thisallowed='';
1.671 raeburn 8193: my ($match)=&is_on_map($uri);
8194: if ($match) {
8195: if ($env{'user.priv.'.$env{'request.role'}.'./'}
8196: =~/\Q$priv\E\&([^\:]*)/) {
1.1281 raeburn 8197: my $value = $1;
1.1402 raeburn 8198: my $deeplinkblock = &deeplink_check($priv,$symb,$uri);
8199: if ($deeplinkblock) {
8200: $thisallowed='D';
8201: } elsif ($noblockcheck) {
1.1281 raeburn 8202: $thisallowed.=$value;
1.1162 raeburn 8203: } else {
1.1281 raeburn 8204: my @blockers = &has_comm_blocking($priv,$symb,$uri);
8205: if (@blockers > 0) {
8206: $thisallowed = 'B';
8207: } else {
8208: $thisallowed.=$value;
8209: }
1.1162 raeburn 8210: }
1.671 raeburn 8211: }
8212: } else {
1.705 albertel 8213: my $refuri = $env{'httpref.'.$orguri} || $env{'httpref.'.$ver_orguri};
1.671 raeburn 8214: if ($refuri) {
8215: if ($refuri =~ m|^/adm/|) {
1.669 raeburn 8216: $thisallowed='F';
1.671 raeburn 8217: } else {
8218: $refuri=&declutter($refuri);
8219: my ($match) = &is_on_map($refuri);
8220: if ($match) {
1.1402 raeburn 8221: my $deeplinkblock = &deeplink_check($priv,$symb,$refuri);
8222: if ($deeplinkblock) {
8223: $thisallowed='D';
8224: } elsif ($noblockcheck) {
1.1281 raeburn 8225: $thisallowed='F';
1.1162 raeburn 8226: } else {
1.1281 raeburn 8227: my @blockers = &has_comm_blocking($priv,$symb,$refuri);
8228: if (@blockers > 0) {
8229: $thisallowed = 'B';
8230: } else {
8231: $thisallowed='F';
8232: }
1.1162 raeburn 8233: }
1.671 raeburn 8234: }
1.669 raeburn 8235: }
1.671 raeburn 8236: }
8237: }
1.314 www 8238: }
1.492 albertel 8239:
1.766 albertel 8240: if ($priv eq 'bre'
8241: && $thisallowed ne 'F'
8242: && $thisallowed ne '2'
8243: && &is_portfolio_url($uri)) {
1.1270 raeburn 8244: $thisallowed = &portfolio_access($uri,$clientip);
1.766 albertel 8245: }
1.1250 raeburn 8246:
1.52 www 8247: # Full access at system, domain or course-wide level? Exit.
1.29 www 8248: if ($thisallowed=~/F/) {
8249: return 'F';
8250: }
8251:
1.52 www 8252: # If this is generating or modifying users, exit with special codes
1.29 www 8253:
1.643 www 8254: if (':csu:cdc:ccc:cin:cta:cep:ccr:cst:cad:cli:cau:cdg:cca:caa:'=~/\:\Q$priv\E\:/) {
8255: if (($priv eq 'cca') || ($priv eq 'caa')) {
1.642 albertel 8256: my ($audom,$auname)=split('/',$uri);
1.643 www 8257: # no author name given, so this just checks on the general right to make a co-author in this domain
8258: unless ($auname) { return $thisallowed; }
8259: # an author name is given, so we are about to actually make a co-author for a certain account
1.642 albertel 8260: if (($auname ne $env{'user.name'} && $env{'request.role'} !~ /^dc\./) ||
8261: (($audom ne $env{'user.domain'} && $env{'request.role'} !~ /^dc\./) &&
8262: ($audom ne $env{'request.role.domain'}))) { return ''; }
8263: }
1.52 www 8264: return $thisallowed;
8265: }
8266: #
1.103 harris41 8267: # Gathered so far: system, domain and course wide privileges
1.52 www 8268: #
8269: # Course: See if uri or referer is an individual resource that is part of
8270: # the course
8271:
1.620 albertel 8272: if ($env{'request.course.id'}) {
1.232 www 8273:
1.1409 raeburn 8274: # If this is modifying password (internal auth) domains must match for user and user's role.
8275:
8276: if ($priv eq 'mip') {
8277: if ($env{'user.domain'} eq $env{'request.role.domain'}) {
8278: return $thisallowed;
8279: } else {
8280: return '';
8281: }
8282: }
8283:
1.620 albertel 8284: $courseprivid=$env{'request.course.id'};
8285: if ($env{'request.course.sec'}) {
8286: $courseprivid.='/'.$env{'request.course.sec'};
1.52 www 8287: }
8288: $courseprivid=~s/\_/\//;
8289: my $checkreferer=1;
1.232 www 8290: my ($match,$cond)=&is_on_map($uri);
8291: if ($match) {
8292: $statecond=$cond;
1.620 albertel 8293: if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid}
1.479 albertel 8294: =~/\Q$priv\E\&([^\:]*)/) {
1.1162 raeburn 8295: my $value = $1;
8296: if ($priv eq 'bre') {
1.1281 raeburn 8297: if ($noblockcheck) {
8298: $thisallowed.=$value;
1.1162 raeburn 8299: } else {
1.1281 raeburn 8300: my @blockers = &has_comm_blocking($priv,$symb,$uri);
8301: if (@blockers > 0) {
8302: $thisallowed = 'B';
8303: } else {
8304: $thisallowed.=$value;
8305: }
1.1162 raeburn 8306: }
8307: } else {
8308: $thisallowed.=$value;
8309: }
1.52 www 8310: $checkreferer=0;
8311: }
1.29 www 8312: }
1.83 www 8313:
1.148 www 8314: if ($checkreferer) {
1.620 albertel 8315: my $refuri=$env{'httpref.'.$orguri};
1.148 www 8316: unless ($refuri) {
1.800 albertel 8317: foreach my $key (keys(%env)) {
8318: if ($key=~/^httpref\..*\*/) {
8319: my $pattern=$key;
1.156 www 8320: $pattern=~s/^httpref\.\/res\///;
1.148 www 8321: $pattern=~s/\*/\[\^\/\]\+/g;
8322: $pattern=~s/\//\\\//g;
1.152 www 8323: if ($orguri=~/$pattern/) {
1.800 albertel 8324: $refuri=$env{$key};
1.148 www 8325: }
8326: }
1.191 harris41 8327: }
1.148 www 8328: }
1.232 www 8329:
1.148 www 8330: if ($refuri) {
1.152 www 8331: $refuri=&declutter($refuri);
1.232 www 8332: my ($match,$cond)=&is_on_map($refuri);
8333: if ($match) {
8334: my $refstatecond=$cond;
1.620 albertel 8335: if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid}
1.479 albertel 8336: =~/\Q$priv\E\&([^\:]*)/) {
1.1162 raeburn 8337: my $value = $1;
8338: if ($priv eq 'bre') {
1.1402 raeburn 8339: my $deeplinkblock = &deeplink_check($priv,$symb,$refuri);
8340: if ($deeplinkblock) {
8341: $thisallowed = 'D';
8342: } elsif ($noblockcheck) {
1.1281 raeburn 8343: $thisallowed.=$value;
1.1162 raeburn 8344: } else {
1.1281 raeburn 8345: my @blockers = &has_comm_blocking($priv,$symb,$refuri);
8346: if (@blockers > 0) {
8347: $thisallowed = 'B';
8348: } else {
8349: $thisallowed.=$value;
8350: }
1.1162 raeburn 8351: }
8352: } else {
8353: $thisallowed.=$value;
8354: }
1.53 www 8355: $uri=$refuri;
8356: $statecond=$refstatecond;
1.52 www 8357: }
8358: }
1.148 www 8359: }
1.29 www 8360: }
1.52 www 8361: }
1.29 www 8362:
1.52 www 8363: #
1.103 harris41 8364: # Gathered now: all privileges that could apply, and condition number
1.52 www 8365: #
8366: #
8367: # Full or no access?
8368: #
1.29 www 8369:
1.52 www 8370: if ($thisallowed=~/F/) {
8371: return 'F';
8372: }
1.29 www 8373:
1.52 www 8374: unless ($thisallowed) {
8375: return '';
8376: }
1.29 www 8377:
1.52 www 8378: # Restrictions exist, deal with them
8379: #
8380: # C:according to course preferences
8381: # R:according to resource settings
8382: # L:unless locked
8383: # X:according to user session state
8384: #
8385:
8386: # Possibly locked functionality, check all courses
1.54 www 8387: # Locks might take effect only after 10 minutes cache expiration for other
8388: # courses, and 2 minutes for current course
1.52 www 8389:
8390: my $envkey;
8391: if ($thisallowed=~/L/) {
1.1000 raeburn 8392: foreach $envkey (keys(%env)) {
1.54 www 8393: if ($envkey=~/^user\.role\.(st|ta)\.([^\.]*)/) {
8394: my $courseid=$2;
8395: my $roleid=$1.'.'.$2;
1.92 www 8396: $courseid=~s/^\///;
1.54 www 8397: my $expiretime=600;
1.620 albertel 8398: if ($env{'request.role'} eq $roleid) {
1.54 www 8399: $expiretime=120;
8400: }
8401: my ($cdom,$cnum,$csec)=split(/\//,$courseid);
8402: my $prefix='course.'.$cdom.'_'.$cnum.'.';
1.620 albertel 8403: if ((time-$env{$prefix.'last_cache'})>$expiretime) {
1.731 albertel 8404: &coursedescription($courseid,{'freshen_cache' => 1});
1.54 www 8405: }
1.620 albertel 8406: if (($env{$prefix.'res.'.$uri.'.lock.sections'}=~/\,\Q$csec\E\,/)
8407: || ($env{$prefix.'res.'.$uri.'.lock.sections'} eq 'all')) {
8408: if ($env{$prefix.'res.'.$uri.'.lock.expire'}>time) {
8409: &log($env{'user.domain'},$env{'user.name'},
8410: $env{'user.home'},
1.57 www 8411: 'Locked by res: '.$priv.' for '.$uri.' due to '.
1.52 www 8412: $cdom.'/'.$cnum.'/'.$csec.' expire '.
1.620 albertel 8413: $env{$prefix.'priv.'.$priv.'.lock.expire'});
1.52 www 8414: return '';
8415: }
8416: }
1.620 albertel 8417: if (($env{$prefix.'priv.'.$priv.'.lock.sections'}=~/\,\Q$csec\E\,/)
8418: || ($env{$prefix.'priv.'.$priv.'.lock.sections'} eq 'all')) {
8419: if ($env{'priv.'.$priv.'.lock.expire'}>time) {
8420: &log($env{'user.domain'},$env{'user.name'},
8421: $env{'user.home'},
1.57 www 8422: 'Locked by priv: '.$priv.' for '.$uri.' due to '.
1.52 www 8423: $cdom.'/'.$cnum.'/'.$csec.' expire '.
1.620 albertel 8424: $env{$prefix.'priv.'.$priv.'.lock.expire'});
1.52 www 8425: return '';
8426: }
8427: }
8428: }
1.29 www 8429: }
1.52 www 8430: }
8431:
8432: #
8433: # Rest of the restrictions depend on selected course
8434: #
8435:
1.620 albertel 8436: unless ($env{'request.course.id'}) {
1.766 albertel 8437: if ($thisallowed eq 'A') {
8438: return 'A';
1.814 raeburn 8439: } elsif ($thisallowed eq 'B') {
8440: return 'B';
1.766 albertel 8441: } else {
8442: return '1';
8443: }
1.52 www 8444: }
1.29 www 8445:
1.52 www 8446: #
8447: # Now user is definitely in a course
8448: #
1.53 www 8449:
8450:
8451: # Course preferences
8452:
8453: if ($thisallowed=~/C/) {
1.620 albertel 8454: my $rolecode=(split(/\./,$env{'request.role'}))[0];
8455: my $unamedom=$env{'user.name'}.':'.$env{'user.domain'};
8456: if ($env{'course.'.$env{'request.course.id'}.'.'.$priv.'.roles.denied'}
1.479 albertel 8457: =~/\Q$rolecode\E/) {
1.1304 raeburn 8458: if (($priv ne 'pch') && ($priv ne 'plc') && ($priv ne 'pac')) {
1.689 albertel 8459: &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.':'.
8460: 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode.' in '.
8461: $env{'request.course.id'});
8462: }
1.237 www 8463: return '';
8464: }
8465:
1.620 albertel 8466: if ($env{'course.'.$env{'request.course.id'}.'.'.$priv.'.users.denied'}
1.479 albertel 8467: =~/\Q$unamedom\E/) {
1.1304 raeburn 8468: if (($priv ne 'pch') && ($priv ne 'plc') && ($priv ne 'pac')) {
1.689 albertel 8469: &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.
8470: 'Denied by user: '.$priv.' for '.$uri.' as '.$unamedom.' in '.
8471: $env{'request.course.id'});
8472: }
1.54 www 8473: return '';
8474: }
1.53 www 8475: }
8476:
8477: # Resource preferences
8478:
8479: if ($thisallowed=~/R/) {
1.620 albertel 8480: my $rolecode=(split(/\./,$env{'request.role'}))[0];
1.479 albertel 8481: if (&metadata($uri,'roledeny')=~/\Q$rolecode\E/) {
1.1103 raeburn 8482: if (($priv ne 'pch') && ($priv ne 'plc')) {
1.689 albertel 8483: &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.':'.
8484: 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode);
8485: }
8486: return '';
1.54 www 8487: }
1.53 www 8488: }
1.30 www 8489:
1.246 www 8490: # Restricted by state or randomout?
1.30 www 8491:
1.52 www 8492: if ($thisallowed=~/X/) {
1.620 albertel 8493: if ($env{'acc.randomout'}) {
1.579 albertel 8494: if (!$symb) { $symb=&symbread($uri,1); }
1.620 albertel 8495: if (($symb) && ($env{'acc.randomout'}=~/\&\Q$symb\E\&/)) {
1.248 www 8496: return '';
8497: }
1.247 www 8498: }
8499: if (&condval($statecond)) {
1.52 www 8500: return '2';
8501: } else {
8502: return '';
8503: }
8504: }
1.30 www 8505:
1.766 albertel 8506: if ($thisallowed eq 'A') {
8507: return 'A';
1.814 raeburn 8508: } elsif ($thisallowed eq 'B') {
8509: return 'B';
1.1402 raeburn 8510: } elsif ($thisallowed eq 'D') {
8511: return 'D';
1.766 albertel 8512: }
1.52 www 8513: return 'F';
1.232 www 8514: }
1.1162 raeburn 8515:
1.1192 raeburn 8516: # ------------------------------------------- Check construction space access
8517:
8518: sub constructaccess {
8519: my ($url,$setpriv)=@_;
8520:
8521: # We do not allow editing of previous versions of files
8522: if ($url=~/\.(\d+)\.(\w+)$/) { return ''; }
8523:
8524: # Get username and domain from URL
8525: my ($ownername,$ownerdomain,$ownerhome);
8526:
8527: ($ownerdomain,$ownername) =
1.1325 raeburn 8528: ($url=~ m{^(?:\Q$perlvar{'lonDocRoot'}\E|)(?:/daxepage|/daxeopen)?/priv/($match_domain)/($match_username)(?:/|$)});
1.1192 raeburn 8529:
8530: # The URL does not really point to any authorspace, forget it
8531: unless (($ownername) && ($ownerdomain)) { return ''; }
8532:
8533: # Now we need to see if the user has access to the authorspace of
8534: # $ownername at $ownerdomain
8535:
8536: if (($ownername eq $env{'user.name'}) && ($ownerdomain eq $env{'user.domain'})) {
8537: # Real author for this?
8538: $ownerhome = $env{'user.home'};
8539: if (exists($env{'user.priv.au./'.$ownerdomain.'/./'})) {
8540: return ($ownername,$ownerdomain,$ownerhome);
8541: }
8542: } else {
8543: # Co-author for this?
8544: if (exists($env{'user.priv.ca./'.$ownerdomain.'/'.$ownername.'./'}) ||
8545: exists($env{'user.priv.aa./'.$ownerdomain.'/'.$ownername.'./'}) ) {
8546: $ownerhome = &homeserver($ownername,$ownerdomain);
8547: return ($ownername,$ownerdomain,$ownerhome);
8548: }
1.1312 raeburn 8549: if ($env{'request.course.id'}) {
8550: if (($ownername eq $env{'course.'.$env{'request.course.id'}.'.num'}) &&
8551: ($ownerdomain eq $env{'course.'.$env{'request.course.id'}.'.domain'})) {
8552: if (&allowed('mdc',$env{'request.course.id'})) {
8553: $ownerhome = $env{'course.'.$env{'request.course.id'}.'.home'};
8554: return ($ownername,$ownerdomain,$ownerhome);
8555: }
8556: }
8557: }
1.1192 raeburn 8558: }
8559:
8560: # We don't have any access right now. If we are not possibly going to do anything about this,
8561: # we might as well leave
8562: unless ($setpriv) { return ''; }
8563:
8564: # Backdoor access?
8565: my $allowed=&allowed('eco',$ownerdomain);
8566: # Nope
8567: unless ($allowed) { return ''; }
8568: # Looks like we may have access, but could be locked by the owner of the construction space
8569: if ($allowed eq 'U') {
8570: my %blocked=&get('environment',['domcoord.author'],
8571: $ownerdomain,$ownername);
8572: # Is blocked by owner
8573: if ($blocked{'domcoord.author'} eq 'blocked') { return ''; }
8574: }
8575: if (($allowed eq 'F') || ($allowed eq 'U')) {
8576: # Grant temporary access
8577: my $then=$env{'user.login.time'};
1.1209 raeburn 8578: my $update=$env{'user.update.time'};
1.1192 raeburn 8579: if (!$update) { $update = $then; }
8580: my $refresh=$env{'user.refresh.time'};
8581: if (!$refresh) { $refresh = $update; }
8582: my $now = time;
8583: &check_adhoc_privs($ownerdomain,$ownername,$update,$refresh,
8584: $now,'ca','constructaccess');
8585: $ownerhome = &homeserver($ownername,$ownerdomain);
8586: return($ownername,$ownerdomain,$ownerhome);
8587: }
8588: # No business here
8589: return '';
8590: }
8591:
1.1282 raeburn 8592: # ----------------------------------------------------------- Content Blocking
8593:
8594: {
8595: # Caches for faster Course Contents display where content blocking
8596: # is in operation (i.e., interval param set) for timed quiz.
8597: #
8598: # User for whom data are being temporarily cached.
8599: my $cacheduser='';
8600: # Cached blockers for this user (a hash of blocking items).
8601: my %cachedblockers=();
8602: # When the data were last cached.
8603: my $cachedlast='';
8604:
8605: sub load_all_blockers {
8606: my ($uname,$udom,$blocks)=@_;
8607: if (($uname ne '') && ($udom ne '')) {
8608: if (($cacheduser eq $uname.':'.$udom) &&
8609: (abs($cachedlast-time)<5)) {
8610: return;
8611: }
8612: }
8613: $cachedlast=time;
8614: $cacheduser=$uname.':'.$udom;
8615: %cachedblockers = &get_commblock_resources($blocks);
8616: }
8617:
1.1162 raeburn 8618: sub get_comm_blocks {
8619: my ($cdom,$cnum) = @_;
8620: if ($cdom eq '' || $cnum eq '') {
8621: return unless ($env{'request.course.id'});
8622: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
8623: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
8624: }
8625: my %commblocks;
8626: my $hashid=$cdom.'_'.$cnum;
8627: my ($blocksref,$cached)=&is_cached_new('comm_block',$hashid);
8628: if ((defined($cached)) && (ref($blocksref) eq 'HASH')) {
8629: %commblocks = %{$blocksref};
8630: } else {
8631: %commblocks = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
8632: my $cachetime = 600;
8633: &do_cache_new('comm_block',$hashid,\%commblocks,$cachetime);
8634: }
8635: return %commblocks;
8636: }
8637:
1.1282 raeburn 8638: sub get_commblock_resources {
8639: my ($blocks) = @_;
8640: my %blockers = ();
8641: return %blockers unless ($env{'request.course.id'});
8642: return %blockers if ($env{'user.priv.'.$env{'request.role'}} =~/evb\&([^\:]*)/);
1.1162 raeburn 8643: my %commblocks;
8644: if (ref($blocks) eq 'HASH') {
8645: %commblocks = %{$blocks};
8646: } else {
8647: %commblocks = &get_comm_blocks();
8648: }
1.1282 raeburn 8649: return %blockers unless (keys(%commblocks) > 0);
8650: my $navmap = Apache::lonnavmaps::navmap->new();
8651: return %blockers unless (ref($navmap));
1.1162 raeburn 8652: my $now = time;
8653: foreach my $block (keys(%commblocks)) {
8654: if ($block =~ /^(\d+)____(\d+)$/) {
8655: my ($start,$end) = ($1,$2);
8656: if ($start <= $now && $end >= $now) {
8657: if (ref($commblocks{$block}{'blocks'}) eq 'HASH') {
8658: if (ref($commblocks{$block}{'blocks'}{'docs'}) eq 'HASH') {
8659: if (ref($commblocks{$block}{'blocks'}{'docs'}{'maps'}) eq 'HASH') {
1.1282 raeburn 8660: if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'maps'}})) {
8661: $blockers{$block}{maps} = $commblocks{$block}{'blocks'}{'docs'}{'maps'};
1.1162 raeburn 8662: }
8663: }
8664: if (ref($commblocks{$block}{'blocks'}{'docs'}{'resources'}) eq 'HASH') {
1.1282 raeburn 8665: if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'resources'}})) {
8666: $blockers{$block}{'resources'} = $commblocks{$block}{'blocks'}{'docs'}{'resources'};
1.1162 raeburn 8667: }
8668: }
8669: }
8670: }
8671: }
8672: } elsif ($block =~ /^firstaccess____(.+)$/) {
8673: my $item = $1;
1.1163 raeburn 8674: my @to_test;
1.1162 raeburn 8675: if (ref($commblocks{$block}{'blocks'}) eq 'HASH') {
8676: if (ref($commblocks{$block}{'blocks'}{'docs'}) eq 'HASH') {
1.1282 raeburn 8677: my @interval;
8678: my $type = 'map';
8679: if ($item eq 'course') {
8680: $type = 'course';
8681: @interval=&EXT("resource.0.interval");
8682: } else {
8683: if ($item =~ /___\d+___/) {
8684: $type = 'resource';
8685: @interval=&EXT("resource.0.interval",$item);
8686: if (ref($navmap)) {
8687: my $res = $navmap->getBySymb($item);
8688: push(@to_test,$res);
8689: }
1.1162 raeburn 8690: } else {
1.1282 raeburn 8691: my $mapsymb = &symbread($item,1);
8692: if ($mapsymb) {
8693: if (ref($navmap)) {
8694: my $mapres = $navmap->getBySymb($mapsymb);
8695: @to_test = $mapres->retrieveResources($mapres,undef,0,0,0,1);
8696: foreach my $res (@to_test) {
8697: my $symb = $res->symb();
8698: next if ($symb eq $mapsymb);
8699: if ($symb ne '') {
8700: @interval=&EXT("resource.0.interval",$symb);
8701: if ($interval[1] eq 'map') {
8702: last;
1.1162 raeburn 8703: }
8704: }
8705: }
8706: }
8707: }
8708: }
1.1282 raeburn 8709: }
1.1310 raeburn 8710: if ($interval[0] =~ /^(\d+)/) {
1.1308 raeburn 8711: my $timelimit = $1;
1.1282 raeburn 8712: my $first_access;
8713: if ($type eq 'resource') {
8714: $first_access=&get_first_access($interval[1],$item);
8715: } elsif ($type eq 'map') {
8716: $first_access=&get_first_access($interval[1],undef,$item);
8717: } else {
8718: $first_access=&get_first_access($interval[1]);
8719: }
8720: if ($first_access) {
1.1292 raeburn 8721: my $timesup = $first_access+$timelimit;
1.1282 raeburn 8722: if ($timesup > $now) {
8723: my $activeblock;
8724: foreach my $res (@to_test) {
1.1283 raeburn 8725: if ($res->answerable()) {
1.1282 raeburn 8726: $activeblock = 1;
8727: last;
8728: }
8729: }
8730: if ($activeblock) {
8731: if (ref($commblocks{$block}{'blocks'}{'docs'}{'maps'}) eq 'HASH') {
8732: if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'maps'}})) {
8733: $blockers{$block}{'maps'} = $commblocks{$block}{'blocks'}{'docs'}{'maps'};
8734: }
8735: }
8736: if (ref($commblocks{$block}{'blocks'}{'docs'}{'resources'}) eq 'HASH') {
8737: if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'resources'}})) {
8738: $blockers{$block}{'resources'} = $commblocks{$block}{'blocks'}{'docs'}{'resources'};
1.1163 raeburn 8739: }
1.1162 raeburn 8740: }
8741: }
8742: }
8743: }
8744: }
8745: }
8746: }
8747: }
8748: }
1.1282 raeburn 8749: return %blockers;
1.1162 raeburn 8750: }
8751:
1.1282 raeburn 8752: sub has_comm_blocking {
8753: my ($priv,$symb,$uri,$blocks) = @_;
8754: my @blockers;
8755: return unless ($env{'request.course.id'});
8756: return unless ($priv eq 'bre');
8757: return if ($env{'user.priv.'.$env{'request.role'}} =~/evb\&([^\:]*)/);
8758: return if ($env{'request.state'} eq 'construct');
8759: &load_all_blockers($env{'user.name'},$env{'user.domain'},$blocks);
8760: return unless (keys(%cachedblockers) > 0);
8761: my (%possibles,@symbs);
8762: if (!$symb) {
8763: $symb = &symbread($uri,1,1,1,\%possibles);
1.1162 raeburn 8764: }
1.1282 raeburn 8765: if ($symb) {
8766: @symbs = ($symb);
8767: } elsif (keys(%possibles)) {
8768: @symbs = keys(%possibles);
8769: }
8770: my $noblock;
8771: foreach my $symb (@symbs) {
8772: last if ($noblock);
8773: my ($map,$resid,$resurl)=&decode_symb($symb);
8774: foreach my $block (keys(%cachedblockers)) {
8775: if ($block =~ /^firstaccess____(.+)$/) {
8776: my $item = $1;
8777: if (($item eq $map) || ($item eq $symb)) {
8778: $noblock = 1;
8779: last;
8780: }
8781: }
8782: if (ref($cachedblockers{$block}) eq 'HASH') {
8783: if (ref($cachedblockers{$block}{'resources'}) eq 'HASH') {
8784: if ($cachedblockers{$block}{'resources'}{$symb}) {
8785: unless (grep(/^\Q$block\E$/,@blockers)) {
8786: push(@blockers,$block);
8787: }
8788: }
8789: }
1.1162 raeburn 8790: }
1.1282 raeburn 8791: if (ref($cachedblockers{$block}{'maps'}) eq 'HASH') {
8792: if ($cachedblockers{$block}{'maps'}{$map}) {
8793: unless (grep(/^\Q$block\E$/,@blockers)) {
8794: push(@blockers,$block);
8795: }
8796: }
1.1162 raeburn 8797: }
8798: }
8799: }
1.1282 raeburn 8800: return if ($noblock);
8801: return @blockers;
8802: }
1.1162 raeburn 8803: }
8804:
1.1402 raeburn 8805: sub deeplink_check {
8806: my ($priv,$symb,$uri) = @_;
8807: return unless ($env{'request.course.id'});
8808: return unless ($priv eq 'bre');
8809: return if ($env{'request.state'} eq 'construct');
8810: return if ($env{'request.role.adv'});
8811: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
8812: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
8813: my (%possibles,@symbs);
8814: if (!$symb) {
8815: $symb = &symbread($uri,1,1,1,\%possibles);
8816: }
8817: if ($symb) {
8818: @symbs = ($symb);
8819: } elsif (keys(%possibles)) {
8820: @symbs = keys(%possibles);
8821: }
8822:
8823: my ($login,$switchrole,$allow);
8824: if ($env{'request.deeplink.login'} =~ m{^\Q/tiny/$cdom/\E(\w+)$}) {
8825: my $key = $1;
8826: my $tinyurl;
8827: my ($result,$cached)=&Apache::lonnet::is_cached_new('tiny',$cdom."\0".$key);
8828: if (defined($cached)) {
8829: $tinyurl = $result;
8830: } else {
8831: my $configuname = &Apache::lonnet::get_domainconfiguser($cdom);
8832: my %currtiny = &Apache::lonnet::get('tiny',[$key],$cdom,$configuname);
8833: if ($currtiny{$key} ne '') {
8834: $tinyurl = $currtiny{$key};
8835: &Apache::lonnet::do_cache_new('tiny',$cdom."\0".$key,$currtiny{$key},600);
8836: }
8837: }
8838: if ($tinyurl ne '') {
8839: my ($cnumreq,$posslogin) = split(/\&/,$tinyurl);
8840: if ($cnumreq eq $cnum) {
8841: $login = $posslogin;
8842: } else {
8843: $switchrole = 1;
8844: }
8845: }
8846: }
8847: foreach my $symb (@symbs) {
8848: last if ($allow);
8849: my $deeplink = &EXT("resource.0.deeplink",$symb);
8850: if ($deeplink eq '') {
8851: $allow = 1;
8852: } else {
8853: my ($listed,$scope,$access) = split(/,/,$deeplink);
8854: if ($access eq 'any') {
8855: $allow = 1;
8856: } elsif ($login) {
8857: if ($access eq 'only') {
8858: if ($scope eq 'res') {
8859: if ($symb eq $login) {
8860: $allow = 1;
8861: }
8862: } elsif ($scope eq 'map') {
8863: #FIXME Compare map for $env{'request.deeplink.login'} with map for $symb
8864: } elsif ($scope eq 'rec') {
8865: #FIXME Recurse up for $env{'request.deeplink.login'} with map for $symb
8866: }
8867: } else {
8868: my ($acctype,$item) = split(/:/,$access);
8869: if (($acctype eq 'lti') && ($env{'user.linkprotector'})) {
8870: if (grep(/^\Q$item\E$/,split(/,/,$env{'user.linkprotector'}))) {
8871: my %tinyurls = &get('tiny',[$symb],$cdom,$cnum);
8872: if (grep(/\Q$tinyurls{$symb}\E$/,split(/,/,$env{'user.linkproturis'}))) {
8873: $allow = 1;
8874: }
8875: }
8876: } elsif (($acctype eq 'key') && ($env{'user.deeplinkkey'})) {
8877: if (grep(/^\Q$item\E$/,split(/,/,$env{'user.deeplinkkey'}))) {
8878: my %tinyurls = &get('tiny',[$symb],$cdom,$cnum);
8879: if (grep(/\Q$tinyurls{$symb}\E$/,split(/,/,$env{'user.keyedlinkuri'}))) {
8880: $allow = 1;
8881: }
8882: }
8883: }
8884: }
8885: }
8886: }
8887: }
8888: return if ($allow);
8889: return 1;
8890: }
8891:
1.1282 raeburn 8892: # -------------------------------- Deversion and split uri into path an filename
8893:
1.1133 foxr 8894: #
1.1282 raeburn 8895: # Removes the version from a URI and
1.1133 foxr 8896: # splits it in to its filename and path to the filename.
8897: # Seems like File::Basename could have done this more clearly.
8898: # Parameters:
8899: # $uri - input URI
8900: # Returns:
8901: # Two element list consisting of
8902: # $pathname - the URI up to and excluding the trailing /
8903: # $filename - The part of the URI following the last /
8904: # NOTE:
8905: # Another realization of this is simply:
8906: # use File::Basename;
8907: # ...
8908: # $uri = shift;
8909: # $filename = basename($uri);
8910: # $path = dirname($uri);
8911: # return ($filename, $path);
8912: #
8913: # The implementation below is probably faster however.
8914: #
1.710 albertel 8915: sub split_uri_for_cond {
8916: my $uri=&deversion(&declutter(shift));
8917: my @uriparts=split(/\//,$uri);
8918: my $filename=pop(@uriparts);
8919: my $pathname=join('/',@uriparts);
8920: return ($pathname,$filename);
8921: }
1.232 www 8922: # --------------------------------------------------- Is a resource on the map?
8923:
8924: sub is_on_map {
1.710 albertel 8925: my ($pathname,$filename) = &split_uri_for_cond(shift);
1.289 bowersj2 8926: #Trying to find the conditional for the file
1.620 albertel 8927: my $match=($env{'acc.res.'.$env{'request.course.id'}.'.'.$pathname}=~
1.289 bowersj2 8928: /\&\Q$filename\E\:([\d\|]+)\&/);
1.232 www 8929: if ($match) {
1.289 bowersj2 8930: return (1,$1);
8931: } else {
1.434 www 8932: return (0,0);
1.289 bowersj2 8933: }
1.12 www 8934: }
8935:
1.427 www 8936: # --------------------------------------------------------- Get symb from alias
8937:
8938: sub get_symb_from_alias {
8939: my $symb=shift;
8940: my ($map,$resid,$url)=&decode_symb($symb);
8941: # Already is a symb
8942: if ($url) { return $symb; }
8943: # Must be an alias
8944: my $aliassymb='';
8945: my %bighash;
1.620 albertel 8946: if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
1.427 www 8947: &GDBM_READER(),0640)) {
8948: my $rid=$bighash{'mapalias_'.$symb};
8949: if ($rid) {
8950: my ($mapid,$resid)=split(/\./,$rid);
1.429 albertel 8951: $aliassymb=&encode_symb($bighash{'map_id_'.$mapid},
8952: $resid,$bighash{'src_'.$rid});
1.427 www 8953: }
8954: untie %bighash;
8955: }
8956: return $aliassymb;
8957: }
8958:
1.12 www 8959: # ----------------------------------------------------------------- Define Role
8960:
8961: sub definerole {
8962: if (allowed('mcr','/')) {
1.1326 raeburn 8963: my ($rolename,$sysrole,$domrole,$courole,$uname,$udom)=@_;
1.800 albertel 8964: foreach my $role (split(':',$sysrole)) {
8965: my ($crole,$cqual)=split(/\&/,$role);
1.479 albertel 8966: if ($pr{'cr:s'}!~/\Q$crole\E/) { return "refused:s:$crole"; }
8967: if ($pr{'cr:s'}=~/\Q$crole\E\&/) {
8968: if ($pr{'cr:s'}!~/\Q$crole\E\&\w*\Q$cqual\E/) {
1.21 www 8969: return "refused:s:$crole&$cqual";
8970: }
8971: }
1.191 harris41 8972: }
1.800 albertel 8973: foreach my $role (split(':',$domrole)) {
8974: my ($crole,$cqual)=split(/\&/,$role);
1.479 albertel 8975: if ($pr{'cr:d'}!~/\Q$crole\E/) { return "refused:d:$crole"; }
8976: if ($pr{'cr:d'}=~/\Q$crole\E\&/) {
8977: if ($pr{'cr:d'}!~/\Q$crole\W\&\w*\Q$cqual\E/) {
1.21 www 8978: return "refused:d:$crole&$cqual";
8979: }
8980: }
1.191 harris41 8981: }
1.800 albertel 8982: foreach my $role (split(':',$courole)) {
8983: my ($crole,$cqual)=split(/\&/,$role);
1.479 albertel 8984: if ($pr{'cr:c'}!~/\Q$crole\E/) { return "refused:c:$crole"; }
8985: if ($pr{'cr:c'}=~/\Q$crole\E\&/) {
8986: if ($pr{'cr:c'}!~/\Q$crole\E\&\w*\Q$cqual\E/) {
1.21 www 8987: return "refused:c:$crole&$cqual";
8988: }
8989: }
1.191 harris41 8990: }
1.1326 raeburn 8991: my $uhome;
8992: if (($uname ne '') && ($udom ne '')) {
8993: $uhome = &homeserver($uname,$udom);
8994: return $uhome if ($uhome eq 'no_host');
8995: } else {
8996: $uname = $env{'user.name'};
8997: $udom = $env{'user.domain'};
8998: $uhome = $env{'user.home'};
8999: }
1.620 albertel 9000: my $command="encrypt:rolesput:$env{'user.domain'}:$env{'user.name'}:".
1.1326 raeburn 9001: "$udom:$uname:rolesdef_$rolename=".
1.21 www 9002: escape($sysrole.'_'.$domrole.'_'.$courole);
1.1326 raeburn 9003: return reply($command,$uhome);
1.12 www 9004: } else {
9005: return 'refused';
9006: }
1.105 harris41 9007: }
9008:
9009: # ---------------- Make a metadata query against the network of library servers
9010:
9011: sub metadata_query {
1.1237 raeburn 9012: my ($query,$custom,$customshow,$server_array,$domains_hash)=@_;
1.120 harris41 9013: my %rhash;
1.845 albertel 9014: my %libserv = &all_library();
1.244 matthew 9015: my @server_list = (defined($server_array) ? @$server_array
9016: : keys(%libserv) );
9017: for my $server (@server_list) {
1.1237 raeburn 9018: my $domains = '';
9019: if (ref($domains_hash) eq 'HASH') {
9020: $domains = $domains_hash->{$server};
9021: }
1.118 harris41 9022: unless ($custom or $customshow) {
1.1237 raeburn 9023: my $reply=&reply("querysend:".&escape($query).':::'.&escape($domains),$server);
1.118 harris41 9024: $rhash{$server}=$reply;
9025: }
9026: else {
9027: my $reply=&reply("querysend:".&escape($query).':'.
1.1237 raeburn 9028: &escape($custom).':'.&escape($customshow).':'.&escape($domains),
1.118 harris41 9029: $server);
9030: $rhash{$server}=$reply;
9031: }
1.112 harris41 9032: }
1.118 harris41 9033: return \%rhash;
1.240 www 9034: }
9035:
9036: # ----------------------------------------- Send log queries and wait for reply
9037:
9038: sub log_query {
9039: my ($uname,$udom,$query,%filters)=@_;
9040: my $uhome=&homeserver($uname,$udom);
9041: if ($uhome eq 'no_host') { return 'error: no_host'; }
1.838 albertel 9042: my $uhost=&hostname($uhome);
1.800 albertel 9043: my $command=&escape(join(':',map{$_.'='.$filters{$_}} keys(%filters)));
1.240 www 9044: my $queryid=&reply("querysend:".$query.':'.$udom.':'.$uname.':'.$command,
9045: $uhome);
1.479 albertel 9046: unless ($queryid=~/^\Q$uhost\E\_/) { return 'error: '.$queryid; }
1.242 www 9047: return get_query_reply($queryid);
9048: }
9049:
1.818 raeburn 9050: # -------------------------- Update MySQL table for portfolio file
9051:
9052: sub update_portfolio_table {
1.821 raeburn 9053: my ($uname,$udom,$file_name,$query,$group,$action) = @_;
1.970 raeburn 9054: if ($group ne '') {
9055: $file_name =~s /^\Q$group\E//;
9056: }
1.818 raeburn 9057: my $homeserver = &homeserver($uname,$udom);
9058: my $queryid=
1.821 raeburn 9059: &reply("querysend:".$query.':'.&escape($uname.':'.$udom.':'.$group).
9060: ':'.&escape($file_name).':'.$action,$homeserver);
1.818 raeburn 9061: my $reply = &get_query_reply($queryid);
9062: return $reply;
9063: }
9064:
1.899 raeburn 9065: # -------------------------- Update MySQL allusers table
9066:
9067: sub update_allusers_table {
9068: my ($uname,$udom,$names) = @_;
9069: my $homeserver = &homeserver($uname,$udom);
9070: my $queryid=
9071: &reply('querysend:allusers:'.&escape($uname).':'.&escape($udom).':'.
9072: 'lastname='.&escape($names->{'lastname'}).'%%'.
9073: 'firstname='.&escape($names->{'firstname'}).'%%'.
9074: 'middlename='.&escape($names->{'middlename'}).'%%'.
9075: 'generation='.&escape($names->{'generation'}).'%%'.
9076: 'permanentemail='.&escape($names->{'permanentemail'}).'%%'.
9077: 'id='.&escape($names->{'id'}),$homeserver);
1.1075 raeburn 9078: return;
1.899 raeburn 9079: }
9080:
1.508 raeburn 9081: # ------- Request retrieval of institutional classlists for course(s)
1.506 raeburn 9082:
9083: sub fetch_enrollment_query {
1.511 raeburn 9084: my ($context,$affiliatesref,$replyref,$dom,$cnum) = @_;
1.1317 raeburn 9085: my ($homeserver,$sleep,$loopmax);
1.547 raeburn 9086: my $maxtries = 1;
1.508 raeburn 9087: if ($context eq 'automated') {
9088: $homeserver = $perlvar{'lonHostID'};
1.1317 raeburn 9089: $sleep = 2;
9090: $loopmax = 100;
1.547 raeburn 9091: $maxtries = 10; # will wait for up to 2000s for retrieval of classlist data before timeout
1.508 raeburn 9092: } else {
9093: $homeserver = &homeserver($cnum,$dom);
9094: }
1.838 albertel 9095: my $host=&hostname($homeserver);
1.506 raeburn 9096: my $cmd = '';
1.1000 raeburn 9097: foreach my $affiliate (keys(%{$affiliatesref})) {
1.800 albertel 9098: $cmd .= $affiliate.'='.join(",",@{$$affiliatesref{$affiliate}}).'%%';
1.506 raeburn 9099: }
9100: $cmd =~ s/%%$//;
9101: $cmd = &escape($cmd);
9102: my $query = 'fetchenrollment';
1.620 albertel 9103: my $queryid=&reply("querysend:".$query.':'.$dom.':'.$env{'user.name'}.':'.$cmd,$homeserver);
1.526 raeburn 9104: unless ($queryid=~/^\Q$host\E\_/) {
9105: &logthis('fetch_enrollment_query: invalid queryid: '.$queryid.' for host: '.$host.' and homeserver: '.$homeserver.' context: '.$context.' '.$cnum);
9106: return 'error: '.$queryid;
9107: }
1.1317 raeburn 9108: my $reply = &get_query_reply($queryid,$sleep,$loopmax);
1.547 raeburn 9109: my $tries = 1;
9110: while (($reply=~/^timeout/) && ($tries < $maxtries)) {
1.1317 raeburn 9111: $reply = &get_query_reply($queryid,$sleep,$loopmax);
1.547 raeburn 9112: $tries ++;
9113: }
1.526 raeburn 9114: if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) {
1.620 albertel 9115: &logthis('fetch_enrollment_query error: '.$reply.' for '.$dom.' '.$env{'user.name'}.' for '.$queryid.' context: '.$context.' '.$cnum.' maxtries: '.$maxtries.' tries: '.$tries);
1.526 raeburn 9116: } else {
1.901 albertel 9117: my @responses = split(/:/,$reply);
1.1322 raeburn 9118: if (grep { $_ eq $homeserver } ¤t_machine_ids()) {
1.800 albertel 9119: foreach my $line (@responses) {
9120: my ($key,$value) = split(/=/,$line,2);
1.515 raeburn 9121: $$replyref{$key} = $value;
9122: }
9123: } else {
1.1117 foxr 9124: my $pathname = LONCAPA::tempdir();
1.800 albertel 9125: foreach my $line (@responses) {
9126: my ($key,$value) = split(/=/,$line);
1.506 raeburn 9127: $$replyref{$key} = $value;
9128: if ($value > 0) {
1.800 albertel 9129: foreach my $item (@{$$affiliatesref{$key}}) {
9130: my $filename = $dom.'_'.$key.'_'.$item.'_classlist.xml';
1.506 raeburn 9131: my $destname = $pathname.'/'.$filename;
9132: my $xml_classlist = &reply("autoretrieve:".$filename,$homeserver);
1.526 raeburn 9133: if ($xml_classlist =~ /^error/) {
9134: &logthis('fetch_enrollment_query - autoretrieve error: '.$xml_classlist.' for '.$filename.' from server: '.$homeserver.' '.$context.' '.$cnum);
9135: } else {
1.1359 raeburn 9136: if ( open(FILE,">",$destname) ) {
1.506 raeburn 9137: print FILE &unescape($xml_classlist);
9138: close(FILE);
1.526 raeburn 9139: } else {
9140: &logthis('fetch_enrollment_query - error opening classlist file '.$destname.' '.$context.' '.$cnum);
1.506 raeburn 9141: }
9142: }
9143: }
9144: }
9145: }
9146: }
9147: return 'ok';
9148: }
9149: return 'error';
9150: }
9151:
1.242 www 9152: sub get_query_reply {
1.1317 raeburn 9153: my ($queryid,$sleep,$loopmax) = @_;;
9154: if (($sleep eq '') || ($sleep !~ /^\d+\.?\d*$/)) {
9155: $sleep = 0.2;
9156: }
9157: if (($loopmax eq '') || ($loopmax =~ /\D/)) {
9158: $loopmax = 100;
9159: }
1.1117 foxr 9160: my $replyfile=LONCAPA::tempdir().$queryid;
1.240 www 9161: my $reply='';
1.1317 raeburn 9162: for (1..$loopmax) {
9163: sleep($sleep);
1.240 www 9164: if (-e $replyfile.'.end') {
1.1359 raeburn 9165: if (open(my $fh,"<",$replyfile)) {
1.904 albertel 9166: $reply = join('',<$fh>);
9167: close($fh);
1.240 www 9168: } else { return 'error: reply_file_error'; }
1.242 www 9169: return &unescape($reply);
9170: }
1.240 www 9171: }
1.242 www 9172: return 'timeout:'.$queryid;
1.240 www 9173: }
9174:
9175: sub courselog_query {
1.241 www 9176: #
9177: # possible filters:
9178: # url: url or symb
9179: # username
9180: # domain
9181: # action: view, submit, grade
9182: # start: timestamp
9183: # end: timestamp
9184: #
1.240 www 9185: my (%filters)=@_;
1.620 albertel 9186: unless ($env{'request.course.id'}) { return 'no_course'; }
1.241 www 9187: if ($filters{'url'}) {
9188: $filters{'url'}=&symbclean(&declutter($filters{'url'}));
9189: $filters{'url'}=~s/\.(\w+)$/(\\.\\d+)*\\.$1/;
9190: $filters{'url'}=~s/\.(\w+)\_\_\_/(\\.\\d+)*\\.$1/;
9191: }
1.620 albertel 9192: my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
9193: my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.240 www 9194: return &log_query($cname,$cdom,'courselog',%filters);
9195: }
9196:
9197: sub userlog_query {
1.858 raeburn 9198: #
9199: # possible filters:
9200: # action: log check role
9201: # start: timestamp
9202: # end: timestamp
9203: #
1.240 www 9204: my ($uname,$udom,%filters)=@_;
9205: return &log_query($uname,$udom,'userlog',%filters);
1.12 www 9206: }
9207:
1.506 raeburn 9208: #--------- Call auto-enrollment subs in localenroll.pm for homeserver for course
9209:
9210: sub auto_run {
1.508 raeburn 9211: my ($cnum,$cdom) = @_;
1.876 raeburn 9212: my $response = 0;
9213: my $settings;
9214: my %domconfig = &get_dom('configuration',['autoenroll'],$cdom);
9215: if (ref($domconfig{'autoenroll'}) eq 'HASH') {
9216: $settings = $domconfig{'autoenroll'};
9217: if ($settings->{'run'} eq '1') {
9218: $response = 1;
9219: }
9220: } else {
1.934 raeburn 9221: my $homeserver;
9222: if (&is_course($cdom,$cnum)) {
9223: $homeserver = &homeserver($cnum,$cdom);
9224: } else {
9225: $homeserver = &domain($cdom,'primary');
9226: }
9227: if ($homeserver ne 'no_host') {
9228: $response = &reply('autorun:'.$cdom,$homeserver);
9229: }
1.876 raeburn 9230: }
1.506 raeburn 9231: return $response;
9232: }
1.776 albertel 9233:
1.506 raeburn 9234: sub auto_get_sections {
1.508 raeburn 9235: my ($cnum,$cdom,$inst_coursecode) = @_;
1.1007 raeburn 9236: my $homeserver;
9237: if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) {
9238: $homeserver = &homeserver($cnum,$cdom);
9239: }
9240: if (!defined($homeserver)) {
9241: if ($cdom =~ /^$match_domain$/) {
9242: $homeserver = &domain($cdom,'primary');
9243: }
9244: }
9245: my @secs;
9246: if (defined($homeserver)) {
9247: my $response=&unescape(&reply('autogetsections:'.$inst_coursecode.':'.$cdom,$homeserver));
9248: unless ($response eq 'refused') {
9249: @secs = split(/:/,$response);
9250: }
1.506 raeburn 9251: }
9252: return @secs;
9253: }
1.776 albertel 9254:
1.506 raeburn 9255: sub auto_new_course {
1.1099 raeburn 9256: my ($cnum,$cdom,$inst_course_id,$owner,$coowners) = @_;
1.508 raeburn 9257: my $homeserver = &homeserver($cnum,$cdom);
1.1099 raeburn 9258: my $response=&unescape(&reply('autonewcourse:'.$inst_course_id.':'.&escape($owner).':'.$cdom.':'.&escape($coowners),$homeserver));
1.506 raeburn 9259: return $response;
9260: }
1.776 albertel 9261:
1.506 raeburn 9262: sub auto_validate_courseID {
1.508 raeburn 9263: my ($cnum,$cdom,$inst_course_id) = @_;
9264: my $homeserver = &homeserver($cnum,$cdom);
1.511 raeburn 9265: my $response=&unescape(&reply('autovalidatecourse:'.$inst_course_id.':'.$cdom,$homeserver));
1.506 raeburn 9266: return $response;
9267: }
1.776 albertel 9268:
1.1007 raeburn 9269: sub auto_validate_instcode {
1.1020 raeburn 9270: my ($cnum,$cdom,$instcode,$owner) = @_;
1.1007 raeburn 9271: my ($homeserver,$response);
9272: if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) {
9273: $homeserver = &homeserver($cnum,$cdom);
9274: }
9275: if (!defined($homeserver)) {
9276: if ($cdom =~ /^$match_domain$/) {
9277: $homeserver = &domain($cdom,'primary');
9278: }
9279: }
1.1065 raeburn 9280: $response=&unescape(&reply('autovalidateinstcode:'.$cdom.':'.
9281: &escape($instcode).':'.&escape($owner),$homeserver));
1.1216 raeburn 9282: my ($outcome,$description,$defaultcredits) = map { &unescape($_); } split('&',$response,3);
9283: return ($outcome,$description,$defaultcredits);
1.1007 raeburn 9284: }
9285:
1.506 raeburn 9286: sub auto_create_password {
1.873 raeburn 9287: my ($cnum,$cdom,$authparam,$udom) = @_;
9288: my ($homeserver,$response);
1.506 raeburn 9289: my $create_passwd = 0;
9290: my $authchk = '';
1.873 raeburn 9291: if ($udom =~ /^$match_domain$/) {
9292: $homeserver = &domain($udom,'primary');
9293: }
9294: if ($homeserver eq '') {
9295: if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) {
9296: $homeserver = &homeserver($cnum,$cdom);
9297: }
9298: }
9299: if ($homeserver eq '') {
9300: $authchk = 'nodomain';
1.506 raeburn 9301: } else {
1.873 raeburn 9302: $response=&unescape(&reply('autocreatepassword:'.$authparam.':'.$cdom,$homeserver));
9303: if ($response eq 'refused') {
9304: $authchk = 'refused';
9305: } else {
1.901 albertel 9306: ($authparam,$create_passwd,$authchk) = split(/:/,$response);
1.873 raeburn 9307: }
1.506 raeburn 9308: }
9309: return ($authparam,$create_passwd,$authchk);
9310: }
9311:
1.706 raeburn 9312: sub auto_photo_permission {
9313: my ($cnum,$cdom,$students) = @_;
9314: my $homeserver = &homeserver($cnum,$cdom);
1.707 albertel 9315: my ($outcome,$perm_reqd,$conditions) =
9316: split(/:/,&unescape(&reply('autophotopermission:'.$cdom,$homeserver)),3);
1.709 albertel 9317: if ($outcome =~ /^(con_lost|unknown_cmd|no_such_host)$/) {
9318: return (undef,undef);
9319: }
1.706 raeburn 9320: return ($outcome,$perm_reqd,$conditions);
9321: }
9322:
9323: sub auto_checkphotos {
9324: my ($uname,$udom,$pid) = @_;
9325: my $homeserver = &homeserver($uname,$udom);
9326: my ($result,$resulttype);
9327: my $outcome = &unescape(&reply('autophotocheck:'.&escape($udom).':'.
1.707 albertel 9328: &escape($uname).':'.&escape($pid),
9329: $homeserver));
1.709 albertel 9330: if ($outcome =~ /^(con_lost|unknown_cmd|no_such_host)$/) {
9331: return (undef,undef);
9332: }
1.706 raeburn 9333: if ($outcome) {
9334: ($result,$resulttype) = split(/:/,$outcome);
9335: }
9336: return ($result,$resulttype);
9337: }
9338:
9339: sub auto_photochoice {
9340: my ($cnum,$cdom) = @_;
9341: my $homeserver = &homeserver($cnum,$cdom);
9342: my ($update,$comment) = split(/:/,&unescape(&reply('autophotochoice:'.
1.707 albertel 9343: &escape($cdom),
9344: $homeserver)));
1.709 albertel 9345: if ($update =~ /^(con_lost|unknown_cmd|no_such_host)$/) {
9346: return (undef,undef);
9347: }
1.706 raeburn 9348: return ($update,$comment);
9349: }
9350:
9351: sub auto_photoupdate {
9352: my ($affiliatesref,$dom,$cnum,$photo) = @_;
9353: my $homeserver = &homeserver($cnum,$dom);
1.838 albertel 9354: my $host=&hostname($homeserver);
1.706 raeburn 9355: my $cmd = '';
9356: my $maxtries = 1;
1.800 albertel 9357: foreach my $affiliate (keys(%{$affiliatesref})) {
9358: $cmd .= $affiliate.'='.join(",",@{$$affiliatesref{$affiliate}}).'%%';
1.706 raeburn 9359: }
9360: $cmd =~ s/%%$//;
9361: $cmd = &escape($cmd);
9362: my $query = 'institutionalphotos';
9363: my $queryid=&reply("querysend:".$query.':'.$dom.':'.$cnum.':'.$cmd,$homeserver);
9364: unless ($queryid=~/^\Q$host\E\_/) {
9365: &logthis('institutionalphotos: invalid queryid: '.$queryid.' for host: '.$host.' and homeserver: '.$homeserver.' and course: '.$cnum);
9366: return 'error: '.$queryid;
9367: }
9368: my $reply = &get_query_reply($queryid);
9369: my $tries = 1;
9370: while (($reply=~/^timeout/) && ($tries < $maxtries)) {
9371: $reply = &get_query_reply($queryid);
9372: $tries ++;
9373: }
9374: if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) {
9375: &logthis('institutionalphotos error: '.$reply.' for '.$dom.' '.$env{'user.name'}.' for '.$queryid.' course: '.$cnum.' maxtries: '.$maxtries.' tries: '.$tries);
9376: } else {
9377: my @responses = split(/:/,$reply);
9378: my $outcome = shift(@responses);
9379: foreach my $item (@responses) {
9380: my ($key,$value) = split(/=/,$item);
9381: $$photo{$key} = $value;
9382: }
9383: return $outcome;
9384: }
9385: return 'error';
9386: }
9387:
1.521 raeburn 9388: sub auto_instcode_format {
1.793 albertel 9389: my ($caller,$codedom,$instcodes,$codes,$codetitles,$cat_titles,
9390: $cat_order) = @_;
1.521 raeburn 9391: my $courses = '';
1.772 raeburn 9392: my @homeservers;
1.521 raeburn 9393: if ($caller eq 'global') {
1.841 albertel 9394: my %servers = &get_servers($codedom,'library');
9395: foreach my $tryserver (keys(%servers)) {
9396: if (!grep(/^\Q$tryserver\E$/,@homeservers)) {
9397: push(@homeservers,$tryserver);
9398: }
1.584 raeburn 9399: }
1.1022 raeburn 9400: } elsif ($caller eq 'requests') {
9401: if ($codedom =~ /^$match_domain$/) {
9402: my $chome = &domain($codedom,'primary');
9403: unless ($chome eq 'no_host') {
9404: push(@homeservers,$chome);
9405: }
9406: }
1.521 raeburn 9407: } else {
1.772 raeburn 9408: push(@homeservers,&homeserver($caller,$codedom));
1.521 raeburn 9409: }
1.793 albertel 9410: foreach my $code (keys(%{$instcodes})) {
9411: $courses .= &escape($code).'='.&escape($$instcodes{$code}).'&';
1.521 raeburn 9412: }
9413: chop($courses);
1.772 raeburn 9414: my $ok_response = 0;
9415: my $response;
9416: while (@homeservers > 0 && $ok_response == 0) {
9417: my $server = shift(@homeservers);
9418: $response=&reply('autoinstcodeformat:'.$codedom.':'.$courses,$server);
9419: if ($response !~ /(con_lost|error|no_such_host|refused)/) {
9420: my ($codes_str,$codetitles_str,$cat_titles_str,$cat_order_str) =
1.901 albertel 9421: split(/:/,$response);
1.772 raeburn 9422: %{$codes} = (%{$codes},&str2hash($codes_str));
9423: push(@{$codetitles},&str2array($codetitles_str));
9424: %{$cat_titles} = (%{$cat_titles},&str2hash($cat_titles_str));
9425: %{$cat_order} = (%{$cat_order},&str2hash($cat_order_str));
9426: $ok_response = 1;
9427: }
9428: }
9429: if ($ok_response) {
1.521 raeburn 9430: return 'ok';
1.772 raeburn 9431: } else {
9432: return $response;
1.521 raeburn 9433: }
9434: }
9435:
1.792 raeburn 9436: sub auto_instcode_defaults {
9437: my ($domain,$returnhash,$code_order) = @_;
9438: my @homeservers;
1.841 albertel 9439:
9440: my %servers = &get_servers($domain,'library');
9441: foreach my $tryserver (keys(%servers)) {
9442: if (!grep(/^\Q$tryserver\E$/,@homeservers)) {
9443: push(@homeservers,$tryserver);
9444: }
1.792 raeburn 9445: }
1.841 albertel 9446:
1.792 raeburn 9447: my $response;
1.841 albertel 9448: foreach my $server (@homeservers) {
1.792 raeburn 9449: $response=&reply('autoinstcodedefaults:'.$domain,$server);
1.841 albertel 9450: next if ($response =~ /(con_lost|error|no_such_host|refused)/);
9451:
9452: foreach my $pair (split(/\&/,$response)) {
9453: my ($name,$value)=split(/\=/,$pair);
9454: if ($name eq 'code_order') {
9455: @{$code_order} = split(/\&/,&unescape($value));
9456: } else {
9457: $returnhash->{&unescape($name)}=&unescape($value);
9458: }
9459: }
9460: return 'ok';
1.792 raeburn 9461: }
1.841 albertel 9462:
9463: return $response;
1.1003 raeburn 9464: }
9465:
9466: sub auto_possible_instcodes {
1.1007 raeburn 9467: my ($domain,$codetitles,$cat_titles,$cat_orders,$code_order) = @_;
9468: unless ((ref($codetitles) eq 'ARRAY') && (ref($cat_titles) eq 'HASH') &&
9469: (ref($cat_orders) eq 'HASH') && (ref($code_order) eq 'ARRAY')) {
9470: return;
9471: }
1.1003 raeburn 9472: my (@homeservers,$uhome);
9473: if (defined(&domain($domain,'primary'))) {
9474: $uhome=&domain($domain,'primary');
9475: push(@homeservers,&domain($domain,'primary'));
9476: } else {
9477: my %servers = &get_servers($domain,'library');
9478: foreach my $tryserver (keys(%servers)) {
9479: if (!grep(/^\Q$tryserver\E$/,@homeservers)) {
9480: push(@homeservers,$tryserver);
9481: }
9482: }
9483: }
9484: my $response;
9485: foreach my $server (@homeservers) {
9486: $response=&reply('autopossibleinstcodes:'.$domain,$server);
9487: next if ($response =~ /(con_lost|error|no_such_host|refused)/);
1.1007 raeburn 9488: my ($codetitlestr,$codeorderstr,$cat_title,$cat_order) =
9489: split(':',$response);
9490: @{$codetitles} = map { &unescape($_); } (split('&',$codetitlestr));
9491: @{$code_order} = map { &unescape($_); } (split('&',$codeorderstr));
1.1003 raeburn 9492: foreach my $item (split('&',$cat_title)) {
1.1005 raeburn 9493: my ($name,$value)=split('=',$item);
9494: $cat_titles->{&unescape($name)}=&thaw_unescape($value);
1.1003 raeburn 9495: }
9496: foreach my $item (split('&',$cat_order)) {
1.1005 raeburn 9497: my ($name,$value)=split('=',$item);
9498: $cat_orders->{&unescape($name)}=&thaw_unescape($value);
1.1003 raeburn 9499: }
9500: return 'ok';
9501: }
9502: return $response;
9503: }
1.792 raeburn 9504:
1.1010 raeburn 9505: sub auto_courserequest_checks {
9506: my ($dom) = @_;
1.1020 raeburn 9507: my ($homeserver,%validations);
9508: if ($dom =~ /^$match_domain$/) {
9509: $homeserver = &domain($dom,'primary');
9510: }
9511: unless ($homeserver eq 'no_host') {
9512: my $response=&reply('autocrsreqchecks:'.$dom,$homeserver);
9513: unless ($response =~ /(con_lost|error|no_such_host|refused)/) {
9514: my @items = split(/&/,$response);
9515: foreach my $item (@items) {
9516: my ($key,$value) = split('=',$item);
9517: $validations{&unescape($key)} = &thaw_unescape($value);
9518: }
9519: }
9520: }
1.1010 raeburn 9521: return %validations;
9522: }
9523:
1.1020 raeburn 9524: sub auto_courserequest_validation {
1.1255 raeburn 9525: my ($dom,$owner,$crstype,$inststatuslist,$instcode,$instseclist,$custominfo) = @_;
1.1020 raeburn 9526: my ($homeserver,$response);
9527: if ($dom =~ /^$match_domain$/) {
9528: $homeserver = &domain($dom,'primary');
9529: }
1.1255 raeburn 9530: unless ($homeserver eq 'no_host') {
9531: my $customdata;
9532: if (ref($custominfo) eq 'HASH') {
9533: $customdata = &freeze_escape($custominfo);
9534: }
1.1020 raeburn 9535: $response=&unescape(&reply('autocrsreqvalidation:'.$dom.':'.&escape($owner).
1.1021 raeburn 9536: ':'.&escape($crstype).':'.&escape($inststatuslist).
1.1255 raeburn 9537: ':'.&escape($instcode).':'.&escape($instseclist).':'.
9538: $customdata,$homeserver));
1.1020 raeburn 9539: }
9540: return $response;
9541: }
9542:
1.777 albertel 9543: sub auto_validate_class_sec {
1.918 raeburn 9544: my ($cdom,$cnum,$owners,$inst_class) = @_;
1.773 raeburn 9545: my $homeserver = &homeserver($cnum,$cdom);
1.918 raeburn 9546: my $ownerlist;
9547: if (ref($owners) eq 'ARRAY') {
9548: $ownerlist = join(',',@{$owners});
9549: } else {
9550: $ownerlist = $owners;
9551: }
1.773 raeburn 9552: my $response=&reply('autovalidateclass_sec:'.$inst_class.':'.
1.918 raeburn 9553: &escape($ownerlist).':'.$cdom,$homeserver);
1.773 raeburn 9554: return $response;
9555: }
9556:
1.1367 raeburn 9557: sub auto_validate_instclasses {
9558: my ($cdom,$cnum,$owners,$classesref) = @_;
9559: my ($homeserver,%validations);
9560: $homeserver = &homeserver($cnum,$cdom);
9561: unless ($homeserver eq 'no_host') {
9562: my $ownerlist;
9563: if (ref($owners) eq 'ARRAY') {
9564: $ownerlist = join(',',@{$owners});
9565: } else {
9566: $ownerlist = $owners;
9567: }
9568: if (ref($classesref) eq 'HASH') {
9569: my $classes = &freeze_escape($classesref);
9570: my $response=&reply('autovalidateinstclasses:'.&escape($ownerlist).
9571: ':'.$cdom.':'.$classes,$homeserver);
9572: unless ($response =~ /(con_lost|error|no_such_host|refused)/) {
9573: my @items = split(/&/,$response);
9574: foreach my $item (@items) {
9575: my ($key,$value) = split('=',$item);
9576: $validations{&unescape($key)} = &thaw_unescape($value);
9577: }
9578: }
9579: }
9580: }
9581: return %validations;
9582: }
9583:
1.1248 raeburn 9584: sub auto_crsreq_update {
9585: my ($cdom,$cnum,$crstype,$action,$ownername,$ownerdomain,$fullname,$title,
1.1257 raeburn 9586: $code,$accessstart,$accessend,$inbound) = @_;
1.1248 raeburn 9587: my ($homeserver,%crsreqresponse);
9588: if ($cdom =~ /^$match_domain$/) {
9589: $homeserver = &domain($cdom,'primary');
9590: }
9591: unless (($homeserver eq 'no_host') || ($homeserver eq '')) {
9592: my $info;
9593: if (ref($inbound) eq 'HASH') {
9594: $info = &freeze_escape($inbound);
9595: }
9596: my $response=&reply('autocrsrequpdate:'.$cdom.':'.$cnum.':'.&escape($crstype).
9597: ':'.&escape($action).':'.&escape($ownername).':'.
9598: &escape($ownerdomain).':'.&escape($fullname).':'.
1.1257 raeburn 9599: &escape($title).':'.&escape($code).':'.
9600: &escape($accessstart).':'.&escape($accessend).':'.$info,
9601: $homeserver);
1.1248 raeburn 9602: unless ($response =~ /(con_lost|error|no_such_host|refused)/) {
9603: my @items = split(/&/,$response);
9604: foreach my $item (@items) {
9605: my ($key,$value) = split('=',$item);
9606: $crsreqresponse{&unescape($key)} = &thaw_unescape($value);
9607: }
9608: }
9609: }
9610: return \%crsreqresponse;
9611: }
9612:
1.1305 raeburn 9613: sub auto_export_grades {
1.1309 raeburn 9614: my ($cdom,$cnum,$inforef,$gradesref) = @_;
9615: my ($homeserver,%exportresponse);
9616: if ($cdom =~ /^$match_domain$/) {
9617: $homeserver = &domain($cdom,'primary');
9618: }
9619: unless (($homeserver eq 'no_host') || ($homeserver eq '')) {
9620: my $info;
9621: if (ref($inforef) eq 'HASH') {
9622: $info = &freeze_escape($inforef);
9623: }
9624: if (ref($gradesref) eq 'HASH') {
9625: my $grades = &freeze_escape($gradesref);
9626: my $response=&reply('encrypt:autoexportgrades:'.$cdom.':'.$cnum.':'.
9627: $info.':'.$grades,$homeserver);
9628: unless ($response =~ /(con_lost|error|no_such_host|refused|unknown_command)/) {
9629: my @items = split(/&/,$response);
9630: foreach my $item (@items) {
9631: my ($key,$value) = split('=',$item);
9632: $exportresponse{&unescape($key)} = &thaw_unescape($value);
9633: }
9634: }
9635: }
9636: }
9637: return \%exportresponse;
1.1305 raeburn 9638: }
9639:
1.1287 raeburn 9640: sub check_instcode_cloning {
9641: my ($codedefaults,$code_order,$cloner,$clonefromcode,$clonetocode) = @_;
9642: unless ((ref($codedefaults) eq 'HASH') && (ref($code_order) eq 'ARRAY')) {
9643: return;
9644: }
9645: my $canclone;
9646: if (@{$code_order} > 0) {
9647: my $instcoderegexp ='^';
9648: my @clonecodes = split(/\&/,$cloner);
9649: foreach my $item (@{$code_order}) {
9650: if (grep(/^\Q$item\E=/,@clonecodes)) {
9651: foreach my $pair (@clonecodes) {
9652: my ($key,$val) = split(/\=/,$pair,2);
9653: $val = &unescape($val);
9654: if ($key eq $item) {
9655: $instcoderegexp .= '('.$val.')';
9656: last;
9657: }
9658: }
9659: } else {
9660: $instcoderegexp .= $codedefaults->{$item};
9661: }
9662: }
9663: $instcoderegexp .= '$';
9664: my (@from,@to);
9665: eval {
9666: (@from) = ($clonefromcode =~ /$instcoderegexp/);
9667: (@to) = ($clonetocode =~ /$instcoderegexp/);
9668: };
9669: if ((@from > 0) && (@to > 0)) {
9670: my @diffs = &Apache::loncommon::compare_arrays(\@from,\@to);
9671: if (!@diffs) {
9672: $canclone = 1;
9673: }
9674: }
9675: }
9676: return $canclone;
9677: }
9678:
9679: sub default_instcode_cloning {
9680: my ($clonedom,$domdefclone,$clonefromcode,$clonetocode,$codedefaultsref,$codeorderref) = @_;
9681: my (%codedefaults,@code_order,$canclone);
9682: if ((ref($codedefaultsref) eq 'HASH') && (ref($codeorderref) eq 'ARRAY')) {
9683: %codedefaults = %{$codedefaultsref};
9684: @code_order = @{$codeorderref};
9685: } elsif ($clonedom) {
9686: &auto_instcode_defaults($clonedom,\%codedefaults,\@code_order);
9687: }
9688: if (($domdefclone) && (@code_order)) {
9689: my @clonecodes = split(/\+/,$domdefclone);
9690: my $instcoderegexp ='^';
9691: foreach my $item (@code_order) {
9692: if (grep(/^\Q$item\E$/,@clonecodes)) {
9693: $instcoderegexp .= '('.$codedefaults{$item}.')';
9694: } else {
9695: $instcoderegexp .= $codedefaults{$item};
9696: }
9697: }
9698: $instcoderegexp .= '$';
9699: my (@from,@to);
9700: eval {
9701: (@from) = ($clonefromcode =~ /$instcoderegexp/);
9702: (@to) = ($clonetocode =~ /$instcoderegexp/);
9703: };
9704: if ((@from > 0) && (@to > 0)) {
9705: my @diffs = &Apache::loncommon::compare_arrays(\@from,\@to);
9706: if (!@diffs) {
9707: $canclone = 1;
9708: }
9709: }
9710: }
9711: return $canclone;
9712: }
9713:
1.679 raeburn 9714: # ------------------------------------------------------- Course Group routines
9715:
9716: sub get_coursegroups {
1.809 raeburn 9717: my ($cdom,$cnum,$group,$namespace) = @_;
9718: return(&dump($namespace,$cdom,$cnum,$group));
1.805 raeburn 9719: }
9720:
1.679 raeburn 9721: sub modify_coursegroup {
9722: my ($cdom,$cnum,$groupsettings) = @_;
9723: return(&put('coursegroups',$groupsettings,$cdom,$cnum));
9724: }
9725:
1.809 raeburn 9726: sub toggle_coursegroup_status {
9727: my ($cdom,$cnum,$group,$action) = @_;
9728: my ($from_namespace,$to_namespace);
9729: if ($action eq 'delete') {
9730: $from_namespace = 'coursegroups';
9731: $to_namespace = 'deleted_groups';
9732: } else {
9733: $from_namespace = 'deleted_groups';
9734: $to_namespace = 'coursegroups';
9735: }
9736: my %curr_group = &get_coursegroups($cdom,$cnum,$group,$from_namespace);
1.805 raeburn 9737: if (my $tmp = &error(%curr_group)) {
9738: &Apache::lonnet::logthis('Error retrieving group: '.$tmp.' in '.$cnum.':'.$cdom);
9739: return ('read error',$tmp);
9740: } else {
9741: my %savedsettings = %curr_group;
1.809 raeburn 9742: my $result = &put($to_namespace,\%savedsettings,$cdom,$cnum);
1.805 raeburn 9743: my $deloutcome;
9744: if ($result eq 'ok') {
1.809 raeburn 9745: $deloutcome = &del($from_namespace,[$group],$cdom,$cnum);
1.805 raeburn 9746: } else {
9747: return ('write error',$result);
9748: }
9749: if ($deloutcome eq 'ok') {
9750: return 'ok';
9751: } else {
9752: return ('delete error',$deloutcome);
9753: }
9754: }
9755: }
9756:
1.679 raeburn 9757: sub modify_group_roles {
1.957 raeburn 9758: my ($cdom,$cnum,$group_id,$user,$end,$start,$userprivs,$selfenroll,$context) = @_;
1.679 raeburn 9759: my $url = '/'.$cdom.'/'.$cnum.'/'.$group_id;
9760: my $role = 'gr/'.&escape($userprivs);
9761: my ($uname,$udom) = split(/:/,$user);
1.957 raeburn 9762: my $result = &assignrole($udom,$uname,$url,$role,$end,$start,'',$selfenroll,$context);
1.684 raeburn 9763: if ($result eq 'ok') {
9764: &devalidate_getgroups_cache($udom,$uname,$cdom,$cnum);
9765: }
1.679 raeburn 9766: return $result;
9767: }
9768:
9769: sub modify_coursegroup_membership {
9770: my ($cdom,$cnum,$membership) = @_;
9771: my $result = &put('groupmembership',$membership,$cdom,$cnum);
9772: return $result;
9773: }
9774:
1.682 raeburn 9775: sub get_active_groups {
9776: my ($udom,$uname,$cdom,$cnum) = @_;
9777: my $now = time;
9778: my %groups = ();
9779: foreach my $key (keys(%env)) {
1.811 albertel 9780: if ($key =~ m-user\.role\.gr\./($match_domain)/($match_courseid)/(\w+)$-) {
1.682 raeburn 9781: my ($start,$end) = split(/\./,$env{$key});
9782: if (($end!=0) && ($end<$now)) { next; }
9783: if (($start!=0) && ($start>$now)) { next; }
9784: if ($1 eq $cdom && $2 eq $cnum) {
9785: $groups{$3} = $env{$key} ;
9786: }
9787: }
9788: }
9789: return %groups;
9790: }
9791:
1.683 raeburn 9792: sub get_group_membership {
9793: my ($cdom,$cnum,$group) = @_;
9794: return(&dump('groupmembership',$cdom,$cnum,$group));
9795: }
9796:
9797: sub get_users_groups {
9798: my ($udom,$uname,$courseid) = @_;
1.733 raeburn 9799: my @usersgroups;
1.683 raeburn 9800: my $cachetime=1800;
9801:
9802: my $hashid="$udom:$uname:$courseid";
1.733 raeburn 9803: my ($grouplist,$cached)=&is_cached_new('getgroups',$hashid);
9804: if (defined($cached)) {
1.734 albertel 9805: @usersgroups = split(/:/,$grouplist);
1.733 raeburn 9806: } else {
9807: $grouplist = '';
1.816 raeburn 9808: my $courseurl = &courseid_to_courseurl($courseid);
1.1166 raeburn 9809: my %roleshash = &dump('roles',$udom,$uname,$courseurl);
1.817 raeburn 9810: my $access_end = $env{'course.'.$courseid.
9811: '.default_enrollment_end_date'};
9812: my $now = time;
9813: foreach my $key (keys(%roleshash)) {
9814: if ($key =~ /^\Q$courseurl\E\/(\w+)\_gr$/) {
9815: my $group = $1;
9816: if ($roleshash{$key} =~ /_(\d+)_(\d+)$/) {
9817: my $start = $2;
9818: my $end = $1;
9819: if ($start == -1) { next; } # deleted from group
9820: if (($start!=0) && ($start>$now)) { next; }
9821: if (($end!=0) && ($end<$now)) {
9822: if ($access_end && $access_end < $now) {
9823: if ($access_end - $end < 86400) {
9824: push(@usersgroups,$group);
1.733 raeburn 9825: }
9826: }
1.817 raeburn 9827: next;
1.733 raeburn 9828: }
1.817 raeburn 9829: push(@usersgroups,$group);
1.683 raeburn 9830: }
9831: }
9832: }
1.817 raeburn 9833: @usersgroups = &sort_course_groups($courseid,@usersgroups);
9834: $grouplist = join(':',@usersgroups);
9835: &do_cache_new('getgroups',$hashid,$grouplist,$cachetime);
1.683 raeburn 9836: }
1.733 raeburn 9837: return @usersgroups;
1.683 raeburn 9838: }
9839:
9840: sub devalidate_getgroups_cache {
9841: my ($udom,$uname,$cdom,$cnum)=@_;
9842: my $courseid = $cdom.'_'.$cnum;
1.807 albertel 9843:
1.683 raeburn 9844: my $hashid="$udom:$uname:$courseid";
9845: &devalidate_cache_new('getgroups',$hashid);
9846: }
9847:
1.12 www 9848: # ------------------------------------------------------------------ Plain Text
9849:
9850: sub plaintext {
1.988 raeburn 9851: my ($short,$type,$cid,$forcedefault) = @_;
1.1046 raeburn 9852: if ($short =~ m{^cr/}) {
1.758 albertel 9853: return (split('/',$short))[-1];
9854: }
1.742 raeburn 9855: if (!defined($cid)) {
9856: $cid = $env{'request.course.id'};
9857: }
9858: my %rolenames = (
1.1008 raeburn 9859: Course => 'std',
9860: Community => 'alt1',
1.1305 raeburn 9861: Placement => 'std',
1.742 raeburn 9862: );
1.1037 raeburn 9863: if ($cid ne '') {
9864: if ($env{'course.'.$cid.'.'.$short.'.plaintext'} ne '') {
9865: unless ($forcedefault) {
9866: my $roletext = $env{'course.'.$cid.'.'.$short.'.plaintext'};
9867: &Apache::lonlocal::mt_escape(\$roletext);
9868: return &Apache::lonlocal::mt($roletext);
9869: }
9870: }
9871: }
9872: if ((defined($type)) && (defined($rolenames{$type})) &&
9873: (defined($rolenames{$type})) &&
9874: (defined($prp{$short}{$rolenames{$type}}))) {
1.742 raeburn 9875: return &Apache::lonlocal::mt($prp{$short}{$rolenames{$type}});
1.1037 raeburn 9876: } elsif ($cid ne '') {
9877: my $crstype = $env{'course.'.$cid.'.type'};
9878: if (($crstype ne '') && (defined($rolenames{$crstype})) &&
9879: (defined($prp{$short}{$rolenames{$crstype}}))) {
9880: return &Apache::lonlocal::mt($prp{$short}{$rolenames{$crstype}});
9881: }
1.742 raeburn 9882: }
1.1037 raeburn 9883: return &Apache::lonlocal::mt($prp{$short}{'std'});
1.12 www 9884: }
9885:
9886: # ----------------------------------------------------------------- Assign Role
9887:
9888: sub assignrole {
1.957 raeburn 9889: my ($udom,$uname,$url,$role,$end,$start,$deleteflag,$selfenroll,
9890: $context)=@_;
1.21 www 9891: my $mrole;
9892: if ($role =~ /^cr\//) {
1.393 www 9893: my $cwosec=$url;
1.811 albertel 9894: $cwosec=~s/^\/($match_domain)\/($match_courseid)\/.*/$1\/$2/;
1.393 www 9895: unless (&allowed('ccr',$cwosec)) {
1.1026 raeburn 9896: my $refused = 1;
9897: if ($context eq 'requestcourses') {
9898: if (($env{'user.name'} ne '') && ($env{'user.domain'} ne '')) {
9899: if ($role =~ m{^cr/($match_domain)/($match_username)/([^/]+)$}) {
9900: if (($1 eq $env{'user.domain'}) && ($2 eq $env{'user.name'})) {
9901: my ($cdom,$cnum) = ($cwosec =~ m{^/?($match_domain)/($match_courseid)$});
9902: my %crsenv = &userenvironment($cdom,$cnum,('internal.courseowner'));
9903: if ($crsenv{'internal.courseowner'} eq
9904: $env{'user.name'}.':'.$env{'user.domain'}) {
9905: $refused = '';
9906: }
9907: }
9908: }
9909: }
9910: }
9911: if ($refused) {
9912: &logthis('Refused custom assignrole: '.
9913: $udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start.
9914: ' by '.$env{'user.name'}.' at '.$env{'user.domain'});
9915: return 'refused';
9916: }
1.104 www 9917: }
1.21 www 9918: $mrole='cr';
1.678 raeburn 9919: } elsif ($role =~ /^gr\//) {
9920: my $cwogrp=$url;
1.811 albertel 9921: $cwogrp=~s{^/($match_domain)/($match_courseid)/.*}{$1/$2};
1.678 raeburn 9922: unless (&allowed('mdg',$cwogrp)) {
9923: &logthis('Refused group assignrole: '.
9924: $udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start.' by '.
9925: $env{'user.name'}.' at '.$env{'user.domain'});
9926: return 'refused';
9927: }
9928: $mrole='gr';
1.21 www 9929: } else {
1.82 www 9930: my $cwosec=$url;
1.811 albertel 9931: $cwosec=~s/^\/($match_domain)\/($match_courseid)\/.*/$1\/$2/;
1.932 raeburn 9932: if (!(&allowed('c'.$role,$cwosec)) && !(&allowed('c'.$role,$udom))) {
9933: my $refused;
9934: if (($env{'request.course.sec'} ne '') && ($role eq 'st')) {
9935: if (!(&allowed('c'.$role,$url))) {
9936: $refused = 1;
9937: }
9938: } else {
9939: $refused = 1;
9940: }
1.947 raeburn 9941: if ($refused) {
1.1045 raeburn 9942: my ($cdom,$cnum) = ($cwosec =~ m{^/?($match_domain)/($match_courseid)$});
1.1377 raeburn 9943: if (!$selfenroll && (($context eq 'course') || ($context eq 'ltienroll' && $env{'request.lti.login'}))) {
1.1045 raeburn 9944: my %crsenv;
9945: if ($role eq 'cc' || $role eq 'co') {
9946: %crsenv = &userenvironment($cdom,$cnum,('internal.courseowner'));
9947: if (($role eq 'cc') && ($cnum !~ /^$match_community$/)) {
9948: if ($env{'request.role'} eq 'cc./'.$cdom.'/'.$cnum) {
9949: if ($crsenv{'internal.courseowner'} eq
9950: $env{'user.name'}.':'.$env{'user.domain'}) {
9951: $refused = '';
9952: }
9953: }
9954: } elsif (($role eq 'co') && ($cnum =~ /^$match_community$/)) {
9955: if ($env{'request.role'} eq 'co./'.$cdom.'/'.$cnum) {
9956: if ($crsenv{'internal.courseowner'} eq
9957: $env{'user.name'}.':'.$env{'user.domain'}) {
9958: $refused = '';
9959: }
9960: }
9961: }
9962: }
1.1368 raeburn 9963: } elsif (($selfenroll == 1) && ($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) {
9964: if ($role eq 'st') {
9965: $refused = '';
1.1377 raeburn 9966: } elsif (($context eq 'ltienroll') && ($env{'request.lti.login'})) {
1.1368 raeburn 9967: $refused = '';
9968: }
1.1017 raeburn 9969: } elsif ($context eq 'requestcourses') {
1.1041 raeburn 9970: my @possroles = ('st','ta','ep','in','cc','co');
1.1026 raeburn 9971: if ((grep(/^\Q$role\E$/,@possroles)) && ($env{'user.name'} ne '' && $env{'user.domain'} ne '')) {
1.1041 raeburn 9972: my $wrongcc;
9973: if ($cnum =~ /^$match_community$/) {
9974: $wrongcc = 1 if ($role eq 'cc');
9975: } else {
9976: $wrongcc = 1 if ($role eq 'co');
9977: }
9978: unless ($wrongcc) {
9979: my %crsenv = &userenvironment($cdom,$cnum,('internal.courseowner'));
9980: if ($crsenv{'internal.courseowner'} eq
9981: $env{'user.name'}.':'.$env{'user.domain'}) {
9982: $refused = '';
9983: }
1.1017 raeburn 9984: }
9985: }
1.1183 raeburn 9986: } elsif ($context eq 'requestauthor') {
9987: if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'}) &&
9988: ($url eq '/'.$udom.'/') && ($role eq 'au')) {
9989: if ($env{'environment.requestauthor'} eq 'automatic') {
9990: $refused = '';
9991: } else {
9992: my %domdefaults = &get_domain_defaults($udom);
9993: if (ref($domdefaults{'requestauthor'}) eq 'HASH') {
9994: my $checkbystatus;
9995: if ($env{'user.adv'}) {
9996: my $disposition = $domdefaults{'requestauthor'}{'_LC_adv'};
9997: if ($disposition eq 'automatic') {
9998: $refused = '';
9999: } elsif ($disposition eq '') {
10000: $checkbystatus = 1;
10001: }
10002: } else {
10003: $checkbystatus = 1;
10004: }
10005: if ($checkbystatus) {
10006: if ($env{'environment.inststatus'}) {
10007: my @inststatuses = split(/,/,$env{'environment.inststatus'});
10008: foreach my $type (@inststatuses) {
10009: if (($type ne '') &&
10010: ($domdefaults{'requestauthor'}{$type} eq 'automatic')) {
10011: $refused = '';
10012: }
10013: }
10014: } elsif ($domdefaults{'requestauthor'}{'default'} eq 'automatic') {
10015: $refused = '';
10016: }
10017: }
10018: }
10019: }
10020: }
1.1017 raeburn 10021: }
10022: if ($refused) {
1.947 raeburn 10023: &logthis('Refused assignrole: '.$udom.' '.$uname.' '.$url.
10024: ' '.$role.' '.$end.' '.$start.' by '.
10025: $env{'user.name'}.' at '.$env{'user.domain'});
10026: return 'refused';
10027: }
1.932 raeburn 10028: }
1.1131 raeburn 10029: } elsif ($role eq 'au') {
10030: if ($url ne '/'.$udom.'/') {
10031: &logthis('Attempt by '.$env{'user.name'}.':'.$env{'user.domain'}.
10032: ' to assign author role for '.$uname.':'.$udom.
10033: ' in domain: '.$url.' refused (wrong domain).');
10034: return 'refused';
10035: }
1.104 www 10036: }
1.21 www 10037: $mrole=$role;
10038: }
1.620 albertel 10039: my $command="encrypt:rolesput:$env{'user.domain'}:$env{'user.name'}:".
1.21 www 10040: "$udom:$uname:$url".'_'."$mrole=$role";
1.81 www 10041: if ($end) { $command.='_'.$end; }
1.21 www 10042: if ($start) {
10043: if ($end) {
1.81 www 10044: $command.='_'.$start;
1.21 www 10045: } else {
1.81 www 10046: $command.='_0_'.$start;
1.21 www 10047: }
10048: }
1.739 raeburn 10049: my $origstart = $start;
10050: my $origend = $end;
1.957 raeburn 10051: my $delflag;
1.357 www 10052: # actually delete
10053: if ($deleteflag) {
1.373 www 10054: if ((&allowed('dro',$udom)) || (&allowed('dro',$url))) {
1.357 www 10055: # modify command to delete the role
1.620 albertel 10056: $command="encrypt:rolesdel:$env{'user.domain'}:$env{'user.name'}:".
1.357 www 10057: "$udom:$uname:$url".'_'."$mrole";
1.620 albertel 10058: &logthis("$env{'user.name'} at $env{'user.domain'} deletes $mrole in $url for $uname at $udom");
1.357 www 10059: # set start and finish to negative values for userrolelog
10060: $start=-1;
10061: $end=-1;
1.957 raeburn 10062: $delflag = 1;
1.357 www 10063: }
10064: }
10065: # send command
1.349 www 10066: my $answer=&reply($command,&homeserver($uname,$udom));
1.357 www 10067: # log new user role if status is ok
1.349 www 10068: if ($answer eq 'ok') {
1.663 raeburn 10069: &userrolelog($role,$uname,$udom,$url,$start,$end);
1.1184 raeburn 10070: if (($role eq 'cc') || ($role eq 'in') ||
10071: ($role eq 'ep') || ($role eq 'ad') ||
10072: ($role eq 'ta') || ($role eq 'st') ||
10073: ($role=~/^cr/) || ($role eq 'gr') ||
10074: ($role eq 'co')) {
1.1200 raeburn 10075: # for course roles, perform group memberships changes triggered by role change.
10076: unless ($role =~ /^gr/) {
10077: &Apache::longroup::group_changes($udom,$uname,$url,$role,$origend,
10078: $origstart,$selfenroll,$context);
10079: }
1.1184 raeburn 10080: &courserolelog($role,$uname,$udom,$url,$origstart,$origend,$delflag,
10081: $selfenroll,$context);
10082: } elsif (($role eq 'li') || ($role eq 'dg') || ($role eq 'sc') ||
1.1334 raeburn 10083: ($role eq 'au') || ($role eq 'dc') || ($role eq 'dh') ||
10084: ($role eq 'da')) {
1.1184 raeburn 10085: &domainrolelog($role,$uname,$udom,$url,$origstart,$origend,$delflag,
10086: $context);
10087: } elsif (($role eq 'ca') || ($role eq 'aa')) {
10088: &coauthorrolelog($role,$uname,$udom,$url,$origstart,$origend,$delflag,
10089: $context);
10090: }
1.1053 raeburn 10091: if ($role eq 'cc') {
10092: &autoupdate_coowners($url,$end,$start,$uname,$udom);
10093: }
1.349 www 10094: }
10095: return $answer;
1.169 harris41 10096: }
10097:
1.1053 raeburn 10098: sub autoupdate_coowners {
10099: my ($url,$end,$start,$uname,$udom) = @_;
10100: my ($cdom,$cnum) = ($url =~ m{^/($match_domain)/($match_courseid)});
10101: if (($cdom ne '') && ($cnum ne '')) {
10102: my $now = time;
10103: my %domdesign = &Apache::loncommon::get_domainconf($cdom);
10104: if ($domdesign{$cdom.'.autoassign.co-owners'}) {
10105: my %coursehash = &coursedescription($cdom.'_'.$cnum);
10106: my $instcode = $coursehash{'internal.coursecode'};
10107: if ($instcode ne '') {
1.1056 raeburn 10108: if (($start && $start <= $now) && ($end == 0) || ($end > $now)) {
10109: unless ($coursehash{'internal.courseowner'} eq $uname.':'.$udom) {
1.1053 raeburn 10110: my ($delcoowners,@newcoowners,$putresult,$delresult,$coowners);
1.1056 raeburn 10111: my ($result,$desc) = &auto_validate_instcode($cnum,$cdom,$instcode,$uname.':'.$udom);
10112: if ($result eq 'valid') {
10113: if ($coursehash{'internal.co-owners'}) {
1.1053 raeburn 10114: foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) {
10115: push(@newcoowners,$coowner);
10116: }
10117: unless (grep(/^\Q$uname\E:\Q$udom\E$/,@newcoowners)) {
10118: push(@newcoowners,$uname.':'.$udom);
10119: }
10120: @newcoowners = sort(@newcoowners);
10121: } else {
10122: push(@newcoowners,$uname.':'.$udom);
10123: }
10124: } else {
10125: if ($coursehash{'internal.co-owners'}) {
10126: foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) {
10127: unless ($coowner eq $uname.':'.$udom) {
10128: push(@newcoowners,$coowner);
10129: }
10130: }
10131: unless (@newcoowners > 0) {
10132: $delcoowners = 1;
10133: $coowners = '';
10134: }
10135: }
10136: }
10137: if (@newcoowners || $delcoowners) {
10138: &store_coowners($cdom,$cnum,$coursehash{'home'},
10139: $delcoowners,@newcoowners);
10140: }
10141: }
10142: }
10143: }
10144: }
10145: }
10146: }
10147:
10148: sub store_coowners {
10149: my ($cdom,$cnum,$chome,$delcoowners,@newcoowners) = @_;
10150: my $cid = $cdom.'_'.$cnum;
10151: my ($coowners,$delresult,$putresult);
10152: if (@newcoowners) {
10153: $coowners = join(',',@newcoowners);
10154: my %coownershash = (
10155: 'internal.co-owners' => $coowners,
10156: );
10157: $putresult = &put('environment',\%coownershash,$cdom,$cnum);
10158: if ($putresult eq 'ok') {
10159: if ($env{'course.'.$cid.'.num'} eq $cnum) {
10160: &appenv({'course.'.$cid.'.internal.co-owners' => $coowners});
10161: }
10162: }
10163: }
10164: if ($delcoowners) {
10165: $delresult = &Apache::lonnet::del('environment',['internal.co-owners'],$cdom,$cnum);
10166: if ($delresult eq 'ok') {
10167: if ($env{'course.'.$cid.'.internal.co-owners'}) {
10168: &Apache::lonnet::delenv('course.'.$cid.'.internal.co-owners');
10169: }
10170: }
10171: }
10172: if (($putresult eq 'ok') || ($delresult eq 'ok')) {
10173: my %crsinfo =
10174: &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,undef,undef,'.');
10175: if (ref($crsinfo{$cid}) eq 'HASH') {
10176: $crsinfo{$cid}{'co-owners'} = \@newcoowners;
10177: my $cidput = &Apache::lonnet::courseidput($cdom,\%crsinfo,$chome,'notime');
10178: }
10179: }
10180: }
10181:
1.169 harris41 10182: # -------------------------------------------------- Modify user authentication
1.197 www 10183: # Overrides without validation
10184:
1.169 harris41 10185: sub modifyuserauth {
10186: my ($udom,$uname,$umode,$upass)=@_;
10187: my $uhome=&homeserver($uname,$udom);
1.1409 raeburn 10188: my $allowed;
10189: if (&allowed('mau',$udom)) {
10190: $allowed = 1;
10191: } elsif (($umode eq 'internal') && ($udom eq $env{'user.domain'}) &&
10192: ($env{'request.course.id'}) && (&allowed('mip',$env{'request.course.id'})) &&
10193: (!$env{'course.'.$env{'request.course.id'}.'.internal.nopasswdchg'})) {
10194: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
10195: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
10196: if (($cdom ne '') && ($cnum ne '')) {
10197: my $is_owner = &is_course_owner($cdom,$cnum);
10198: if ($is_owner) {
10199: $allowed = 1;
10200: }
10201: }
10202: }
10203: unless ($allowed) { return 'refused'; }
1.197 www 10204: &logthis('Call to modify user authentication '.$udom.', '.$uname.', '.
1.620 albertel 10205: $umode.' by '.$env{'user.name'}.' at '.$env{'user.domain'}.
10206: ' in domain '.$env{'request.role.domain'});
1.169 harris41 10207: my $reply=&reply('encrypt:changeuserauth:'.$udom.':'.$uname.':'.$umode.':'.
10208: &escape($upass),$uhome);
1.620 albertel 10209: &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},
1.197 www 10210: 'Authentication changed for '.$udom.', '.$uname.', '.$umode.
10211: '(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply);
10212: &log($udom,,$uname,$uhome,
1.620 albertel 10213: 'Authentication changed by '.$env{'user.domain'}.', '.
10214: $env{'user.name'}.', '.$umode.
1.197 www 10215: '(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply);
1.169 harris41 10216: unless ($reply eq 'ok') {
1.197 www 10217: &logthis('Authentication mode error: '.$reply);
1.169 harris41 10218: return 'error: '.$reply;
10219: }
1.170 harris41 10220: return 'ok';
1.80 www 10221: }
10222:
1.81 www 10223: # --------------------------------------------------------------- Modify a user
1.80 www 10224:
1.81 www 10225: sub modifyuser {
1.206 matthew 10226: my ($udom, $uname, $uid,
10227: $umode, $upass, $first,
10228: $middle, $last, $gene,
1.1058 raeburn 10229: $forceid, $desiredhome, $email, $inststatus, $candelete)=@_;
1.807 albertel 10230: $udom= &LONCAPA::clean_domain($udom);
10231: $uname=&LONCAPA::clean_username($uname);
1.1059 raeburn 10232: my $showcandelete = 'none';
10233: if (ref($candelete) eq 'ARRAY') {
10234: if (@{$candelete} > 0) {
10235: $showcandelete = join(', ',@{$candelete});
10236: }
10237: }
1.81 www 10238: &logthis('Call to modify user '.$udom.', '.$uname.', '.$uid.', '.
1.80 www 10239: $umode.', '.$first.', '.$middle.', '.
1.1059 raeburn 10240: $last.', '.$gene.'(forceid: '.$forceid.'; candelete: '.$showcandelete.')'.
1.206 matthew 10241: (defined($desiredhome) ? ' desiredhome = '.$desiredhome :
10242: ' desiredhome not specified').
1.620 albertel 10243: ' by '.$env{'user.name'}.' at '.$env{'user.domain'}.
10244: ' in domain '.$env{'request.role.domain'});
1.230 stredwic 10245: my $uhome=&homeserver($uname,$udom,'true');
1.1075 raeburn 10246: my $newuser;
10247: if ($uhome eq 'no_host') {
10248: $newuser = 1;
1.1368 raeburn 10249: unless (($umode && ($upass ne '')) || ($umode eq 'localauth') ||
10250: ($umode eq 'lti')) {
10251: return 'error: more information needed to create new user';
10252: }
1.1075 raeburn 10253: }
1.80 www 10254: # ----------------------------------------------------------------- Create User
1.406 albertel 10255: if (($uhome eq 'no_host') &&
1.1368 raeburn 10256: (($umode && $upass) || ($umode eq 'localauth') || ($umode eq 'lti'))) {
1.80 www 10257: my $unhome='';
1.844 albertel 10258: if (defined($desiredhome) && &host_domain($desiredhome) eq $udom) {
1.209 matthew 10259: $unhome = $desiredhome;
1.620 albertel 10260: } elsif($env{'course.'.$env{'request.course.id'}.'.domain'} eq $udom) {
10261: $unhome=$env{'course.'.$env{'request.course.id'}.'.home'};
1.209 matthew 10262: } else { # load balancing routine for determining $unhome
1.81 www 10263: my $loadm=10000000;
1.841 albertel 10264: my %servers = &get_servers($udom,'library');
10265: foreach my $tryserver (keys(%servers)) {
10266: my $answer=reply('load',$tryserver);
10267: if (($answer=~/\d+/) && ($answer<$loadm)) {
10268: $loadm=$answer;
10269: $unhome=$tryserver;
10270: }
1.80 www 10271: }
10272: }
10273: if (($unhome eq '') || ($unhome eq 'no_host')) {
1.206 matthew 10274: return 'error: unable to find a home server for '.$uname.
10275: ' in domain '.$udom;
1.80 www 10276: }
10277: my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':'.$umode.':'.
10278: &escape($upass),$unhome);
10279: unless ($reply eq 'ok') {
10280: return 'error: '.$reply;
10281: }
1.230 stredwic 10282: $uhome=&homeserver($uname,$udom,'true');
1.80 www 10283: if (($uhome eq '') || ($uhome eq 'no_host') || ($uhome ne $unhome)) {
1.386 matthew 10284: return 'error: unable verify users home machine.';
1.80 www 10285: }
1.209 matthew 10286: } # End of creation of new user
1.80 www 10287: # ---------------------------------------------------------------------- Add ID
10288: if ($uid) {
10289: $uid=~tr/A-Z/a-z/;
10290: my %uidhash=&idrget($udom,$uname);
1.196 www 10291: if (($uidhash{$uname}) && ($uidhash{$uname}!~/error\:/)
10292: && (!$forceid)) {
1.80 www 10293: unless ($uid eq $uidhash{$uname}) {
1.386 matthew 10294: return 'error: user id "'.$uid.'" does not match '.
10295: 'current user id "'.$uidhash{$uname}.'".';
1.80 www 10296: }
10297: } else {
1.1300 raeburn 10298: &idput($udom,{$uname => $uid},$uhome,'ids');
1.80 www 10299: }
10300: }
10301: # -------------------------------------------------------------- Add names, etc
1.313 matthew 10302: my @tmp=&get('environment',
1.899 raeburn 10303: ['firstname','middlename','lastname','generation','id',
1.963 raeburn 10304: 'permanentemail','inststatus'],
1.134 albertel 10305: $udom,$uname);
1.1075 raeburn 10306: my (%names,%oldnames);
1.313 matthew 10307: if ($tmp[0] =~ m/^error:.*/) {
10308: %names=();
10309: } else {
10310: %names = @tmp;
1.1075 raeburn 10311: %oldnames = %names;
1.313 matthew 10312: }
1.388 www 10313: #
1.1058 raeburn 10314: # If name, email and/or uid are blank (e.g., because an uploaded file
10315: # of users did not contain them), do not overwrite existing values
10316: # unless field is in $candelete array ref.
10317: #
10318:
10319: my @fields = ('firstname','middlename','lastname','generation',
10320: 'permanentemail','id');
10321: my %newvalues;
10322: if (ref($candelete) eq 'ARRAY') {
10323: foreach my $field (@fields) {
10324: if (grep(/^\Q$field\E$/,@{$candelete})) {
10325: if ($field eq 'firstname') {
10326: $names{$field} = $first;
10327: } elsif ($field eq 'middlename') {
10328: $names{$field} = $middle;
10329: } elsif ($field eq 'lastname') {
10330: $names{$field} = $last;
10331: } elsif ($field eq 'generation') {
10332: $names{$field} = $gene;
10333: } elsif ($field eq 'permanentemail') {
10334: $names{$field} = $email;
10335: } elsif ($field eq 'id') {
10336: $names{$field} = $uid;
10337: }
10338: }
10339: }
10340: }
1.388 www 10341: if ($first) { $names{'firstname'} = $first; }
1.385 matthew 10342: if (defined($middle)) { $names{'middlename'} = $middle; }
1.388 www 10343: if ($last) { $names{'lastname'} = $last; }
1.385 matthew 10344: if (defined($gene)) { $names{'generation'} = $gene; }
1.592 www 10345: if ($email) {
10346: $email=~s/[^\w\@\.\-\,]//gs;
1.963 raeburn 10347: if ($email=~/\@/) { $names{'permanentemail'} = $email; }
1.592 www 10348: }
1.899 raeburn 10349: if ($uid) { $names{'id'} = $uid; }
1.989 raeburn 10350: if (defined($inststatus)) {
10351: $names{'inststatus'} = '';
10352: my ($usertypes,$typesorder) = &retrieve_inst_usertypes($udom);
10353: if (ref($usertypes) eq 'HASH') {
10354: my @okstatuses;
10355: foreach my $item (split(/:/,$inststatus)) {
10356: if (defined($usertypes->{$item})) {
10357: push(@okstatuses,$item);
10358: }
10359: }
10360: if (@okstatuses) {
10361: $names{'inststatus'} = join(':', map { &escape($_); } @okstatuses);
10362: }
10363: }
10364: }
1.1075 raeburn 10365: my $logmsg = $udom.', '.$uname.', '.$uid.', '.
1.963 raeburn 10366: $umode.', '.$first.', '.$middle.', '.
1.1075 raeburn 10367: $last.', '.$gene.', '.$email.', '.$inststatus;
1.963 raeburn 10368: if ($env{'user.name'} ne '' && $env{'user.domain'}) {
10369: $logmsg .= ' by '.$env{'user.name'}.' at '.$env{'user.domain'};
10370: } else {
10371: $logmsg .= ' during self creation';
10372: }
1.1075 raeburn 10373: my $changed;
10374: if ($newuser) {
10375: $changed = 1;
10376: } else {
10377: foreach my $field (@fields) {
10378: if ($names{$field} ne $oldnames{$field}) {
10379: $changed = 1;
10380: last;
10381: }
10382: }
10383: }
10384: unless ($changed) {
10385: $logmsg = 'No changes in user information needed for: '.$logmsg;
10386: &logthis($logmsg);
10387: return 'ok';
10388: }
10389: my $reply = &put('environment', \%names, $udom,$uname);
10390: if ($reply ne 'ok') {
10391: return 'error: '.$reply;
10392: }
1.1087 raeburn 10393: if ($names{'permanentemail'} ne $oldnames{'permanentemail'}) {
10394: &Apache::lonnet::devalidate_cache_new('emailscache',$uname.':'.$udom);
10395: }
1.1075 raeburn 10396: my $sqlresult = &update_allusers_table($uname,$udom,\%names);
10397: &devalidate_cache_new('namescache',$uname.':'.$udom);
10398: $logmsg = 'Success modifying user '.$logmsg;
1.963 raeburn 10399: &logthis($logmsg);
1.134 albertel 10400: return 'ok';
1.80 www 10401: }
10402:
1.81 www 10403: # -------------------------------------------------------------- Modify student
1.80 www 10404:
1.81 www 10405: sub modifystudent {
10406: my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec,
1.957 raeburn 10407: $end,$start,$forceid,$desiredhome,$email,$type,$locktype,$cid,
1.1314 raeburn 10408: $selfenroll,$context,$inststatus,$credits,$instsec)=@_;
1.455 albertel 10409: if (!$cid) {
1.620 albertel 10410: unless ($cid=$env{'request.course.id'}) {
1.455 albertel 10411: return 'not_in_class';
10412: }
1.80 www 10413: }
10414: # --------------------------------------------------------------- Make the user
1.81 www 10415: my $reply=&modifyuser
1.209 matthew 10416: ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$forceid,
1.990 raeburn 10417: $desiredhome,$email,$inststatus);
1.80 www 10418: unless ($reply eq 'ok') { return $reply; }
1.297 matthew 10419: # This will cause &modify_student_enrollment to get the uid from the
1.1235 raeburn 10420: # student's environment
1.297 matthew 10421: $uid = undef if (!$forceid);
1.455 albertel 10422: $reply = &modify_student_enrollment($udom,$uname,$uid,$first,$middle,$last,
1.1216 raeburn 10423: $gene,$usec,$end,$start,$type,$locktype,
1.1314 raeburn 10424: $cid,$selfenroll,$context,$credits,$instsec);
1.297 matthew 10425: return $reply;
10426: }
10427:
10428: sub modify_student_enrollment {
1.1216 raeburn 10429: my ($udom,$uname,$uid,$first,$middle,$last,$gene,$usec,$end,$start,$type,
1.1314 raeburn 10430: $locktype,$cid,$selfenroll,$context,$credits,$instsec) = @_;
1.455 albertel 10431: my ($cdom,$cnum,$chome);
10432: if (!$cid) {
1.620 albertel 10433: unless ($cid=$env{'request.course.id'}) {
1.455 albertel 10434: return 'not_in_class';
10435: }
1.620 albertel 10436: $cdom=$env{'course.'.$cid.'.domain'};
10437: $cnum=$env{'course.'.$cid.'.num'};
1.455 albertel 10438: } else {
10439: ($cdom,$cnum)=split(/_/,$cid);
10440: }
1.620 albertel 10441: $chome=$env{'course.'.$cid.'.home'};
1.455 albertel 10442: if (!$chome) {
1.457 raeburn 10443: $chome=&homeserver($cnum,$cdom);
1.297 matthew 10444: }
1.455 albertel 10445: if (!$chome) { return 'unknown_course'; }
1.297 matthew 10446: # Make sure the user exists
1.81 www 10447: my $uhome=&homeserver($uname,$udom);
10448: if (($uhome eq '') || ($uhome eq 'no_host')) {
10449: return 'error: no such user';
10450: }
1.297 matthew 10451: # Get student data if we were not given enough information
10452: if (!defined($first) || $first eq '' ||
10453: !defined($last) || $last eq '' ||
10454: !defined($uid) || $uid eq '' ||
10455: !defined($middle) || $middle eq '' ||
10456: !defined($gene) || $gene eq '') {
1.294 matthew 10457: # They did not supply us with enough data to enroll the student, so
10458: # we need to pick up more information.
1.297 matthew 10459: my %tmp = &get('environment',
1.294 matthew 10460: ['firstname','middlename','lastname', 'generation','id']
1.297 matthew 10461: ,$udom,$uname);
10462:
1.800 albertel 10463: #foreach my $key (keys(%tmp)) {
10464: # &logthis("key $key = ".$tmp{$key});
1.455 albertel 10465: #}
1.294 matthew 10466: $first = $tmp{'firstname'} if (!defined($first) || $first eq '');
10467: $middle = $tmp{'middlename'} if (!defined($middle) || $middle eq '');
10468: $last = $tmp{'lastname'} if (!defined($last) || $last eq '');
1.297 matthew 10469: $gene = $tmp{'generation'} if (!defined($gene) || $gene eq '');
1.294 matthew 10470: $uid = $tmp{'id'} if (!defined($uid) || $uid eq '');
10471: }
1.556 albertel 10472: my $fullname = &format_name($first,$middle,$last,$gene,'lastname');
1.1148 raeburn 10473: my $user = "$uname:$udom";
10474: my %old_entry = &Apache::lonnet::get('classlist',[$user],$cdom,$cnum);
1.487 albertel 10475: my $reply=cput('classlist',
1.1148 raeburn 10476: {$user =>
1.1314 raeburn 10477: join(':',$end,$start,$uid,$usec,$fullname,$type,$locktype,$credits,$instsec) },
1.487 albertel 10478: $cdom,$cnum);
1.1148 raeburn 10479: if (($reply eq 'ok') || ($reply eq 'delayed')) {
10480: &devalidate_getsection_cache($udom,$uname,$cid);
10481: } else {
1.81 www 10482: return 'error: '.$reply;
10483: }
1.297 matthew 10484: # Add student role to user
1.83 www 10485: my $uurl='/'.$cid;
1.81 www 10486: $uurl=~s/\_/\//g;
10487: if ($usec) {
10488: $uurl.='/'.$usec;
10489: }
1.1148 raeburn 10490: my $result = &assignrole($udom,$uname,$uurl,'st',$end,$start,undef,
10491: $selfenroll,$context);
10492: if ($result ne 'ok') {
10493: if ($old_entry{$user} ne '') {
10494: $reply = &cput('classlist',\%old_entry,$cdom,$cnum);
10495: } else {
10496: $reply = &del('classlist',[$user],$cdom,$cnum);
10497: }
10498: }
10499: return $result;
1.21 www 10500: }
10501:
1.556 albertel 10502: sub format_name {
10503: my ($firstname,$middlename,$lastname,$generation,$first)=@_;
10504: my $name;
10505: if ($first ne 'lastname') {
10506: $name=$firstname.' '.$middlename.' '.$lastname.' '.$generation;
10507: } else {
10508: if ($lastname=~/\S/) {
10509: $name.= $lastname.' '.$generation.', '.$firstname.' '.$middlename;
10510: $name=~s/\s+,/,/;
10511: } else {
10512: $name.= $firstname.' '.$middlename.' '.$generation;
10513: }
10514: }
10515: $name=~s/^\s+//;
10516: $name=~s/\s+$//;
10517: $name=~s/\s+/ /g;
10518: return $name;
10519: }
10520:
1.84 www 10521: # ------------------------------------------------- Write to course preferences
10522:
10523: sub writecoursepref {
10524: my ($courseid,%prefs)=@_;
10525: $courseid=~s/^\///;
10526: $courseid=~s/\_/\//g;
10527: my ($cdomain,$cnum)=split(/\//,$courseid);
10528: my $chome=homeserver($cnum,$cdomain);
10529: if (($chome eq '') || ($chome eq 'no_host')) {
10530: return 'error: no such course';
10531: }
10532: my $cstring='';
1.800 albertel 10533: foreach my $pref (keys(%prefs)) {
10534: $cstring.=&escape($pref).'='.&escape($prefs{$pref}).'&';
1.191 harris41 10535: }
1.84 www 10536: $cstring=~s/\&$//;
10537: return reply('put:'.$cdomain.':'.$cnum.':environment:'.$cstring,$chome);
10538: }
10539:
10540: # ---------------------------------------------------------- Make/modify course
10541:
10542: sub createcourse {
1.741 raeburn 10543: my ($udom,$description,$url,$course_server,$nonstandard,$inst_code,
1.1017 raeburn 10544: $course_owner,$crstype,$cnum,$context,$category)=@_;
1.84 www 10545: $url=&declutter($url);
10546: my $cid='';
1.1028 raeburn 10547: if ($context eq 'requestcourses') {
10548: my $can_create = 0;
10549: my ($ownername,$ownerdom) = split(':',$course_owner);
10550: if ($udom eq $ownerdom) {
10551: if (&usertools_access($ownername,$ownerdom,$category,undef,
10552: $context)) {
10553: $can_create = 1;
10554: }
10555: } else {
10556: my %userenv = &userenvironment($ownerdom,$ownername,'reqcrsotherdom.'.
10557: $category);
10558: if ($userenv{'reqcrsotherdom.'.$category} ne '') {
10559: my @curr = split(',',$userenv{'reqcrsotherdom.'.$category});
10560: if (@curr > 0) {
10561: my @options = qw(approval validate autolimit);
10562: my $optregex = join('|',@options);
10563: if (grep(/^\Q$udom\E:($optregex)(=?\d*)$/,@curr)) {
10564: $can_create = 1;
10565: }
10566: }
10567: }
10568: }
10569: if ($can_create) {
10570: unless ($ownername eq $env{'user.name'} && $ownerdom eq $env{'user.domain'}) {
10571: unless (&allowed('ccc',$udom)) {
10572: return 'refused';
10573: }
1.1017 raeburn 10574: }
10575: } else {
10576: return 'refused';
10577: }
1.1028 raeburn 10578: } elsif (!&allowed('ccc',$udom)) {
10579: return 'refused';
1.84 www 10580: }
1.1011 raeburn 10581: # --------------------------------------------------------------- Get Unique ID
10582: my $uname;
10583: if ($cnum =~ /^$match_courseid$/) {
10584: my $chome=&homeserver($cnum,$udom,'true');
10585: if (($chome eq '') || ($chome eq 'no_host')) {
10586: $uname = $cnum;
10587: } else {
1.1038 raeburn 10588: $uname = &generate_coursenum($udom,$crstype);
1.1011 raeburn 10589: }
10590: } else {
1.1038 raeburn 10591: $uname = &generate_coursenum($udom,$crstype);
1.1011 raeburn 10592: }
10593: return $uname if ($uname =~ /^error/);
10594: # -------------------------------------------------- Check supplied server name
1.1052 raeburn 10595: if (!defined($course_server)) {
10596: if (defined(&domain($udom,'primary'))) {
10597: $course_server = &domain($udom,'primary');
10598: } else {
10599: $course_server = $env{'user.home'};
10600: }
10601: }
10602: my %host_servers =
10603: &Apache::lonnet::get_servers($udom,'library');
10604: unless ($host_servers{$course_server}) {
10605: return 'error: invalid home server for course: '.$course_server;
1.264 matthew 10606: }
1.84 www 10607: # ------------------------------------------------------------- Make the course
10608: my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':none::',
1.264 matthew 10609: $course_server);
1.84 www 10610: unless ($reply eq 'ok') { return 'error: '.$reply; }
1.1011 raeburn 10611: my $uhome=&homeserver($uname,$udom,'true');
1.84 www 10612: if (($uhome eq '') || ($uhome eq 'no_host')) {
10613: return 'error: no such course';
10614: }
1.271 www 10615: # ----------------------------------------------------------------- Course made
1.516 raeburn 10616: # log existence
1.1029 raeburn 10617: my $now = time;
1.918 raeburn 10618: my $newcourse = {
10619: $udom.'_'.$uname => {
1.921 raeburn 10620: description => $description,
10621: inst_code => $inst_code,
10622: owner => $course_owner,
10623: type => $crstype,
1.1029 raeburn 10624: creator => $env{'user.name'}.':'.
10625: $env{'user.domain'},
10626: created => $now,
10627: context => $context,
1.918 raeburn 10628: },
10629: };
1.921 raeburn 10630: &courseidput($udom,$newcourse,$uhome,'notime');
1.358 www 10631: # set toplevel url
1.271 www 10632: my $topurl=$url;
10633: unless ($nonstandard) {
10634: # ------------------------------------------ For standard courses, make top url
10635: my $mapurl=&clutter($url);
1.278 www 10636: if ($mapurl eq '/res/') { $mapurl=''; }
1.620 albertel 10637: $env{'form.initmap'}=(<<ENDINITMAP);
1.271 www 10638: <map>
10639: <resource id="1" type="start"></resource>
10640: <resource id="2" src="$mapurl"></resource>
10641: <resource id="3" type="finish"></resource>
10642: <link index="1" from="1" to="2"></link>
10643: <link index="2" from="2" to="3"></link>
10644: </map>
10645: ENDINITMAP
10646: $topurl=&declutter(
1.638 albertel 10647: &finishuserfileupload($uname,$udom,'initmap','default.sequence')
1.271 www 10648: );
10649: }
10650: # ----------------------------------------------------------- Write preferences
1.84 www 10651: &writecoursepref($udom.'_'.$uname,
1.1056 raeburn 10652: ('description' => $description,
10653: 'url' => $topurl,
10654: 'internal.creator' => $env{'user.name'}.':'.
10655: $env{'user.domain'},
10656: 'internal.created' => $now,
10657: 'internal.creationcontext' => $context)
10658: );
1.84 www 10659: return '/'.$udom.'/'.$uname;
10660: }
10661:
1.1011 raeburn 10662: # ------------------------------------------------------------------- Create ID
10663: sub generate_coursenum {
1.1038 raeburn 10664: my ($udom,$crstype) = @_;
1.1011 raeburn 10665: my $domdesc = &domain($udom);
10666: return 'error: invalid domain' if ($domdesc eq '');
1.1038 raeburn 10667: my $first;
10668: if ($crstype eq 'Community') {
10669: $first = '0';
10670: } else {
10671: $first = int(1+rand(9));
10672: }
10673: my $uname=$first.
1.1011 raeburn 10674: ('a'..'z','A'..'Z','0'..'9')[int(rand(62))].
10675: substr($$.time,0,5).unpack("H8",pack("I32",time)).
10676: unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
10677: # ----------------------------------------------- Make sure that does not exist
10678: my $uhome=&homeserver($uname,$udom,'true');
10679: unless (($uhome eq '') || ($uhome eq 'no_host')) {
1.1038 raeburn 10680: if ($crstype eq 'Community') {
10681: $first = '0';
10682: } else {
10683: $first = int(1+rand(9));
10684: }
10685: $uname=$first.
1.1011 raeburn 10686: ('a'..'z','A'..'Z','0'..'9')[int(rand(62))].
10687: substr($$.time,0,5).unpack("H8",pack("I32",time)).
10688: unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
10689: $uhome=&homeserver($uname,$udom,'true');
10690: unless (($uhome eq '') || ($uhome eq 'no_host')) {
10691: return 'error: unable to generate unique course-ID';
10692: }
10693: }
10694: return $uname;
10695: }
10696:
1.813 albertel 10697: sub is_course {
1.1167 droeschl 10698: my ($cdom, $cnum) = scalar(@_) == 1 ?
10699: ($_[0] =~ /^($match_domain)_($match_courseid)$/) : @_;
10700:
1.1381 raeburn 10701: return unless (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/));
10702: my $uhome=&homeserver($cnum,$cdom);
10703: my $iscourse;
10704: if (grep { $_ eq $uhome } current_machine_ids()) {
1.1382 raeburn 10705: $iscourse = &LONCAPA::Lond::is_course($cdom,$cnum);
1.1381 raeburn 10706: } else {
10707: my $hashid = $cdom.':'.$cnum;
10708: ($iscourse,my $cached) = &is_cached_new('iscourse',$hashid);
10709: unless (defined($cached)) {
10710: my %courses = &courseiddump($cdom, '.', 1, '.', '.',
10711: $cnum,undef,undef,'.');
10712: $iscourse = 0;
10713: if (exists($courses{$cdom.'_'.$cnum})) {
10714: $iscourse = 1;
10715: }
10716: &do_cache_new('iscourse',$hashid,$iscourse,3600);
10717: }
10718: }
10719: return unless ($iscourse);
1.1167 droeschl 10720: return wantarray ? ($cdom, $cnum) : $cdom.'_'.$cnum;
1.813 albertel 10721: }
10722:
1.1015 raeburn 10723: sub store_userdata {
10724: my ($storehash,$datakey,$namespace,$udom,$uname) = @_;
1.1013 raeburn 10725: my $result;
1.1016 raeburn 10726: if ($datakey ne '') {
1.1013 raeburn 10727: if (ref($storehash) eq 'HASH') {
1.1017 raeburn 10728: if ($udom eq '' || $uname eq '') {
10729: $udom = $env{'user.domain'};
10730: $uname = $env{'user.name'};
10731: }
10732: my $uhome=&homeserver($uname,$udom);
1.1013 raeburn 10733: if (($uhome eq '') || ($uhome eq 'no_host')) {
10734: $result = 'error: no_host';
10735: } else {
10736: $storehash->{'ip'} = $ENV{'REMOTE_ADDR'};
10737: $storehash->{'host'} = $perlvar{'lonHostID'};
10738:
10739: my $namevalue='';
10740: foreach my $key (keys(%{$storehash})) {
10741: $namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&';
10742: }
10743: $namevalue=~s/\&$//;
1.1224 raeburn 10744: unless ($namespace eq 'courserequests') {
10745: $datakey = &escape($datakey);
10746: }
1.1105 raeburn 10747: $result = &reply("store:$udom:$uname:$namespace:$datakey:".
10748: $namevalue,$uhome);
1.1013 raeburn 10749: }
10750: } else {
10751: $result = 'error: data to store was not a hash reference';
10752: }
10753: } else {
10754: $result= 'error: invalid requestkey';
10755: }
10756: return $result;
10757: }
10758:
1.21 www 10759: # ---------------------------------------------------------- Assign Custom Role
10760:
10761: sub assigncustomrole {
1.957 raeburn 10762: my ($udom,$uname,$url,$rdom,$rnam,$rolename,$end,$start,$deleteflag,$selfenroll,$context)=@_;
1.21 www 10763: return &assignrole($udom,$uname,$url,'cr/'.$rdom.'/'.$rnam.'/'.$rolename,
1.957 raeburn 10764: $end,$start,$deleteflag,$selfenroll,$context);
1.21 www 10765: }
10766:
10767: # ----------------------------------------------------------------- Revoke Role
10768:
10769: sub revokerole {
1.957 raeburn 10770: my ($udom,$uname,$url,$role,$deleteflag,$selfenroll,$context)=@_;
1.21 www 10771: my $now=time;
1.965 raeburn 10772: return &assignrole($udom,$uname,$url,$role,$now,undef,$deleteflag,$selfenroll,$context);
1.21 www 10773: }
10774:
10775: # ---------------------------------------------------------- Revoke Custom Role
10776:
10777: sub revokecustomrole {
1.957 raeburn 10778: my ($udom,$uname,$url,$rdom,$rnam,$rolename,$deleteflag,$selfenroll,$context)=@_;
1.21 www 10779: my $now=time;
1.357 www 10780: return &assigncustomrole($udom,$uname,$url,$rdom,$rnam,$rolename,$now,
1.957 raeburn 10781: $deleteflag,$selfenroll,$context);
1.17 www 10782: }
10783:
1.533 banghart 10784: # ------------------------------------------------------------ Disk usage
1.535 albertel 10785: sub diskusage {
1.955 raeburn 10786: my ($udom,$uname,$directorypath,$getpropath)=@_;
10787: $directorypath =~ s/\/$//;
10788: my $listing=&reply('du2:'.&escape($directorypath).':'
10789: .&escape($getpropath).':'.&escape($uname).':'
10790: .&escape($udom),homeserver($uname,$udom));
10791: if ($listing eq 'unknown_cmd') {
10792: if ($getpropath) {
10793: $directorypath = &propath($udom,$uname).'/'.$directorypath;
10794: }
10795: $listing = &reply('du:'.$directorypath,homeserver($uname,$udom));
10796: }
1.514 albertel 10797: return $listing;
1.512 banghart 10798: }
10799:
1.566 banghart 10800: sub is_locked {
1.1096 raeburn 10801: my ($file_name, $domain, $user, $which) = @_;
1.566 banghart 10802: my @check;
10803: my $is_locked;
1.1093 raeburn 10804: push (@check,$file_name);
1.613 albertel 10805: my %locked = &get('file_permissions',\@check,
1.620 albertel 10806: $env{'user.domain'},$env{'user.name'});
1.615 albertel 10807: my ($tmp)=keys(%locked);
10808: if ($tmp=~/^error:/) { undef(%locked); }
1.745 raeburn 10809:
1.566 banghart 10810: if (ref($locked{$file_name}) eq 'ARRAY') {
1.745 raeburn 10811: $is_locked = 'false';
10812: foreach my $entry (@{$locked{$file_name}}) {
1.1096 raeburn 10813: if (ref($entry) eq 'ARRAY') {
1.746 raeburn 10814: $is_locked = 'true';
1.1096 raeburn 10815: if (ref($which) eq 'ARRAY') {
10816: push(@{$which},$entry);
10817: } else {
10818: last;
10819: }
1.745 raeburn 10820: }
10821: }
1.566 banghart 10822: } else {
10823: $is_locked = 'false';
10824: }
1.1093 raeburn 10825: return $is_locked;
1.566 banghart 10826: }
10827:
1.759 albertel 10828: sub declutter_portfile {
10829: my ($file) = @_;
1.833 albertel 10830: $file =~ s{^(/portfolio/|portfolio/)}{/};
1.759 albertel 10831: return $file;
10832: }
10833:
1.559 banghart 10834: # ------------------------------------------------------------- Mark as Read Only
10835:
10836: sub mark_as_readonly {
10837: my ($domain,$user,$files,$what) = @_;
1.613 albertel 10838: my %current_permissions = &dump('file_permissions',$domain,$user);
1.615 albertel 10839: my ($tmp)=keys(%current_permissions);
10840: if ($tmp=~/^error:/) { undef(%current_permissions); }
1.560 banghart 10841: foreach my $file (@{$files}) {
1.759 albertel 10842: $file = &declutter_portfile($file);
1.561 banghart 10843: push(@{$current_permissions{$file}},$what);
1.559 banghart 10844: }
1.613 albertel 10845: &put('file_permissions',\%current_permissions,$domain,$user);
1.559 banghart 10846: return;
10847: }
10848:
1.572 banghart 10849: # ------------------------------------------------------------Save Selected Files
10850:
10851: sub save_selected_files {
10852: my ($user, $path, @files) = @_;
10853: my $filename = $user."savedfiles";
1.573 banghart 10854: my @other_files = &files_not_in_path($user, $path);
1.1359 raeburn 10855: open (OUT,'>',LONCAPA::tempdir().$filename);
1.573 banghart 10856: foreach my $file (@files) {
1.620 albertel 10857: print (OUT $env{'form.currentpath'}.$file."\n");
1.573 banghart 10858: }
10859: foreach my $file (@other_files) {
1.574 banghart 10860: print (OUT $file."\n");
1.572 banghart 10861: }
1.574 banghart 10862: close (OUT);
1.572 banghart 10863: return 'ok';
10864: }
10865:
1.574 banghart 10866: sub clear_selected_files {
10867: my ($user) = @_;
10868: my $filename = $user."savedfiles";
1.1359 raeburn 10869: open (OUT,'>',LONCAPA::tempdir().$filename);
1.574 banghart 10870: print (OUT undef);
10871: close (OUT);
10872: return ("ok");
10873: }
10874:
1.572 banghart 10875: sub files_in_path {
10876: my ($user, $path) = @_;
10877: my $filename = $user."savedfiles";
10878: my %return_files;
1.1359 raeburn 10879: open (IN,'<',LONCAPA::tempdir().$filename);
1.573 banghart 10880: while (my $line_in = <IN>) {
1.574 banghart 10881: chomp ($line_in);
10882: my @paths_and_file = split (m!/!, $line_in);
10883: my $file_part = pop (@paths_and_file);
10884: my $path_part = join ('/', @paths_and_file);
1.573 banghart 10885: $path_part.='/';
10886: my $path_and_file = $path_part.$file_part;
10887: if ($path_part eq $path) {
10888: $return_files{$file_part}= 'selected';
10889: }
10890: }
1.574 banghart 10891: close (IN);
10892: return (\%return_files);
1.572 banghart 10893: }
10894:
10895: # called in portfolio select mode, to show files selected NOT in current directory
10896: sub files_not_in_path {
10897: my ($user, $path) = @_;
10898: my $filename = $user."savedfiles";
10899: my @return_files;
10900: my $path_part;
1.1359 raeburn 10901: open(IN, '<',LONCAPA::tempdir().$filename);
1.800 albertel 10902: while (my $line = <IN>) {
1.572 banghart 10903: #ok, I know it's clunky, but I want it to work
1.800 albertel 10904: my @paths_and_file = split(m|/|, $line);
10905: my $file_part = pop(@paths_and_file);
10906: chomp($file_part);
10907: my $path_part = join('/', @paths_and_file);
1.572 banghart 10908: $path_part .= '/';
10909: my $path_and_file = $path_part.$file_part;
10910: if ($path_part ne $path) {
1.800 albertel 10911: push(@return_files, ($path_and_file));
1.572 banghart 10912: }
10913: }
1.800 albertel 10914: close(OUT);
1.574 banghart 10915: return (@return_files);
1.572 banghart 10916: }
10917:
1.1273 raeburn 10918: #------------------------------Submitted/Handedback Portfolio Files Versioning
10919:
10920: sub portfiles_versioning {
10921: my ($symb,$domain,$stu_name,$portfiles,$versioned_portfiles) = @_;
10922: my $portfolio_root = '/userfiles/portfolio';
10923: return unless ((ref($portfiles) eq 'ARRAY') && (ref($versioned_portfiles) eq 'ARRAY'));
10924: foreach my $file (@{$portfiles}) {
10925: &unmark_as_readonly($domain,$stu_name,[$symb,$env{'request.course.id'}],$file);
10926: my ($directory,$answer_file) =($file =~ /^(.*?)([^\/]*)$/);
10927: my ($answer_name,$answer_ver,$answer_ext) = &file_name_version_ext($answer_file);
10928: my $getpropath = 1;
10929: my ($dir_list,$listerror) = &dirlist($portfolio_root.$directory,$domain,
10930: $stu_name,$getpropath);
10931: my $version = &get_next_version($answer_name,$answer_ext,$dir_list);
10932: my $new_answer =
10933: &version_selected_portfile($domain,$stu_name,$directory,$answer_file,$version);
10934: if ($new_answer ne 'problem getting file') {
10935: push(@{$versioned_portfiles}, $directory.$new_answer);
10936: &mark_as_readonly($domain,$stu_name,[$directory.$new_answer],
10937: [$symb,$env{'request.course.id'},'graded']);
10938: }
10939: }
10940: }
10941:
10942: sub get_next_version {
10943: my ($answer_name, $answer_ext, $dir_list) = @_;
10944: my $version;
10945: if (ref($dir_list) eq 'ARRAY') {
10946: foreach my $row (@{$dir_list}) {
10947: my ($file) = split(/\&/,$row,2);
10948: my ($file_name,$file_version,$file_ext) =
10949: &file_name_version_ext($file);
10950: if (($file_name eq $answer_name) &&
10951: ($file_ext eq $answer_ext)) {
10952: # gets here if filename and extension match,
10953: # regardless of version
10954: if ($file_version ne '') {
10955: # a versioned file is found so save it for later
10956: if ($file_version > $version) {
10957: $version = $file_version;
10958: }
10959: }
10960: }
10961: }
10962: }
10963: $version ++;
10964: return($version);
10965: }
10966:
10967: sub version_selected_portfile {
10968: my ($domain,$stu_name,$directory,$file_name,$version) = @_;
10969: my ($answer_name,$answer_ver,$answer_ext) =
10970: &file_name_version_ext($file_name);
10971: my $new_answer;
10972: $env{'form.copy'} =
10973: &getfile("/uploaded/$domain/$stu_name/portfolio$directory$file_name");
10974: if($env{'form.copy'} eq '-1') {
10975: $new_answer = 'problem getting file';
10976: } else {
10977: $new_answer = $answer_name.'.'.$version.'.'.$answer_ext;
10978: my $copy_result =
10979: &finishuserfileupload($stu_name,$domain,'copy',
10980: '/portfolio'.$directory.$new_answer);
10981: }
10982: undef($env{'form.copy'});
10983: return ($new_answer);
10984: }
10985:
10986: sub file_name_version_ext {
10987: my ($file)=@_;
10988: my @file_parts = split(/\./, $file);
10989: my ($name,$version,$ext);
10990: if (@file_parts > 1) {
10991: $ext=pop(@file_parts);
10992: if (@file_parts > 1 && $file_parts[-1] =~ /^\d+$/) {
10993: $version=pop(@file_parts);
10994: }
10995: $name=join('.',@file_parts);
10996: } else {
10997: $name=join('.',@file_parts);
10998: }
10999: return($name,$version,$ext);
11000: }
11001:
1.745 raeburn 11002: #----------------------------------------------Get portfolio file permissions
1.629 banghart 11003:
1.745 raeburn 11004: sub get_portfile_permissions {
11005: my ($domain,$user) = @_;
1.613 albertel 11006: my %current_permissions = &dump('file_permissions',$domain,$user);
1.615 albertel 11007: my ($tmp)=keys(%current_permissions);
11008: if ($tmp=~/^error:/) { undef(%current_permissions); }
1.745 raeburn 11009: return \%current_permissions;
11010: }
11011:
11012: #---------------------------------------------Get portfolio file access controls
11013:
1.749 raeburn 11014: sub get_access_controls {
1.745 raeburn 11015: my ($current_permissions,$group,$file) = @_;
1.769 albertel 11016: my %access;
11017: my $real_file = $file;
11018: $file =~ s/\.meta$//;
1.745 raeburn 11019: if (defined($file)) {
1.749 raeburn 11020: if (ref($$current_permissions{$file."\0".'accesscontrol'}) eq 'HASH') {
11021: foreach my $control (keys(%{$$current_permissions{$file."\0".'accesscontrol'}})) {
1.769 albertel 11022: $access{$real_file}{$control} = $$current_permissions{$file."\0".$control};
1.749 raeburn 11023: }
11024: }
1.745 raeburn 11025: } else {
1.749 raeburn 11026: foreach my $key (keys(%{$current_permissions})) {
11027: if ($key =~ /\0accesscontrol$/) {
11028: if (defined($group)) {
11029: if ($key !~ m-^\Q$group\E/-) {
11030: next;
11031: }
11032: }
11033: my ($fullpath) = split(/\0/,$key);
11034: if (ref($$current_permissions{$key}) eq 'HASH') {
11035: foreach my $control (keys(%{$$current_permissions{$key}})) {
11036: $access{$fullpath}{$control}=$$current_permissions{$fullpath."\0".$control};
11037: }
11038: }
11039: }
11040: }
11041: }
11042: return %access;
11043: }
11044:
11045: sub modify_access_controls {
11046: my ($file_name,$changes,$domain,$user)=@_;
11047: my ($outcome,$deloutcome);
11048: my %store_permissions;
11049: my %new_values;
11050: my %new_control;
11051: my %translation;
11052: my @deletions = ();
11053: my $now = time;
11054: if (exists($$changes{'activate'})) {
11055: if (ref($$changes{'activate'}) eq 'HASH') {
11056: my @newitems = sort(keys(%{$$changes{'activate'}}));
11057: my $numnew = scalar(@newitems);
11058: for (my $i=0; $i<$numnew; $i++) {
11059: my $newkey = $newitems[$i];
11060: my $newid = &Apache::loncommon::get_cgi_id();
1.797 raeburn 11061: if ($newkey =~ /^\d+:/) {
11062: $newkey =~ s/^(\d+)/$newid/;
11063: $translation{$1} = $newid;
11064: } elsif ($newkey =~ /^\d+_\d+_\d+:/) {
11065: $newkey =~ s/^(\d+_\d+_\d+)/$newid/;
11066: $translation{$1} = $newid;
11067: }
1.749 raeburn 11068: $new_values{$file_name."\0".$newkey} =
11069: $$changes{'activate'}{$newitems[$i]};
11070: $new_control{$newkey} = $now;
11071: }
11072: }
11073: }
11074: my %todelete;
11075: my %changed_items;
11076: foreach my $action ('delete','update') {
11077: if (exists($$changes{$action})) {
11078: if (ref($$changes{$action}) eq 'HASH') {
11079: foreach my $key (keys(%{$$changes{$action}})) {
11080: my ($itemnum) = ($key =~ /^([^:]+):/);
11081: if ($action eq 'delete') {
11082: $todelete{$itemnum} = 1;
11083: } else {
11084: $changed_items{$itemnum} = $key;
11085: }
11086: }
1.745 raeburn 11087: }
11088: }
1.749 raeburn 11089: }
11090: # get lock on access controls for file.
11091: my $lockhash = {
11092: $file_name."\0".'locked_access_records' => $env{'user.name'}.
11093: ':'.$env{'user.domain'},
11094: };
11095: my $tries = 0;
11096: my $gotlock = &newput('file_permissions',$lockhash,$domain,$user);
11097:
1.1288 damieng 11098: while (($gotlock ne 'ok') && $tries < 10) {
1.749 raeburn 11099: $tries ++;
1.1289 damieng 11100: sleep(0.1);
1.749 raeburn 11101: $gotlock = &newput('file_permissions',$lockhash,$domain,$user);
11102: }
11103: if ($gotlock eq 'ok') {
11104: my %curr_permissions = &dump('file_permissions',$domain,$user,$file_name);
11105: my ($tmp)=keys(%curr_permissions);
11106: if ($tmp=~/^error:/) { undef(%curr_permissions); }
11107: if (exists($curr_permissions{$file_name."\0".'accesscontrol'})) {
11108: my $curr_controls = $curr_permissions{$file_name."\0".'accesscontrol'};
11109: if (ref($curr_controls) eq 'HASH') {
11110: foreach my $control_item (keys(%{$curr_controls})) {
11111: my ($itemnum) = ($control_item =~ /^([^:]+):/);
11112: if (defined($todelete{$itemnum})) {
11113: push(@deletions,$file_name."\0".$control_item);
11114: } else {
11115: if (defined($changed_items{$itemnum})) {
11116: $new_control{$changed_items{$itemnum}} = $now;
11117: push(@deletions,$file_name."\0".$control_item);
11118: $new_values{$file_name."\0".$changed_items{$itemnum}} = $$changes{'update'}{$changed_items{$itemnum}};
11119: } else {
11120: $new_control{$control_item} = $$curr_controls{$control_item};
11121: }
11122: }
1.745 raeburn 11123: }
11124: }
11125: }
1.970 raeburn 11126: my ($group);
11127: if (&is_course($domain,$user)) {
11128: ($group,my $file) = split(/\//,$file_name,2);
11129: }
1.749 raeburn 11130: $deloutcome = &del('file_permissions',\@deletions,$domain,$user);
11131: $new_values{$file_name."\0".'accesscontrol'} = \%new_control;
11132: $outcome = &put('file_permissions',\%new_values,$domain,$user);
11133: # remove lock
11134: my @del_lock = ($file_name."\0".'locked_access_records');
11135: my $dellockoutcome = &del('file_permissions',\@del_lock,$domain,$user);
1.818 raeburn 11136: my $sqlresult =
1.970 raeburn 11137: &update_portfolio_table($user,$domain,$file_name,'portfolio_access',
1.818 raeburn 11138: $group);
1.749 raeburn 11139: } else {
11140: $outcome = "error: could not obtain lockfile\n";
1.745 raeburn 11141: }
1.749 raeburn 11142: return ($outcome,$deloutcome,\%new_values,\%translation);
1.745 raeburn 11143: }
11144:
1.827 raeburn 11145: sub make_public_indefinitely {
1.1271 raeburn 11146: my (@requrl) = @_;
11147: return &automated_portfile_access('public',\@requrl);
11148: }
11149:
11150: sub automated_portfile_access {
11151: my ($accesstype,$addsref,$delsref,$info) = @_;
1.1273 raeburn 11152: unless (($accesstype eq 'public') || ($accesstype eq 'ip')) {
11153: return 'invalid';
11154: }
1.1271 raeburn 11155: my %urls;
11156: if (ref($addsref) eq 'ARRAY') {
11157: foreach my $requrl (@{$addsref}) {
11158: if (&is_portfolio_url($requrl)) {
11159: unless (exists($urls{$requrl})) {
11160: $urls{$requrl} = 'add';
11161: }
11162: }
11163: }
11164: }
11165: if (ref($delsref) eq 'ARRAY') {
11166: foreach my $requrl (@{$delsref}) {
11167: if (&is_portfolio_url($requrl)) {
11168: unless (exists($urls{$requrl})) {
11169: $urls{$requrl} = 'delete';
11170: }
11171: }
11172: }
11173: }
11174: unless (keys(%urls)) {
11175: return 'invalid';
11176: }
11177: my $ip;
11178: if ($accesstype eq 'ip') {
11179: if (ref($info) eq 'HASH') {
11180: if ($info->{'ip'} ne '') {
11181: $ip = $info->{'ip'};
11182: }
11183: }
11184: if ($ip eq '') {
11185: return 'invalid';
11186: }
11187: }
11188: my $errors;
1.827 raeburn 11189: my $now = time;
1.1271 raeburn 11190: my %current_perms;
11191: foreach my $requrl (sort(keys(%urls))) {
11192: my $action;
11193: if ($urls{$requrl} eq 'add') {
11194: $action = 'activate';
11195: } else {
11196: $action = 'none';
11197: }
11198: my $aclnum = 0;
1.827 raeburn 11199: my (undef,$udom,$unum,$file_name,$group) =
11200: &parse_portfolio_url($requrl);
1.1271 raeburn 11201: unless (exists($current_perms{$unum.':'.$udom})) {
11202: $current_perms{$unum.':'.$udom} = &get_portfile_permissions($udom,$unum);
11203: }
11204: my %access_controls = &get_access_controls($current_perms{$unum.':'.$udom},
1.827 raeburn 11205: $group,$file_name);
11206: foreach my $key (keys(%{$access_controls{$file_name}})) {
11207: my ($num,$scope,$end,$start) =
11208: ($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/);
1.1271 raeburn 11209: if ($scope eq $accesstype) {
11210: if (($start <= $now) && ($end == 0)) {
11211: if ($accesstype eq 'ip') {
11212: if (ref($access_controls{$file_name}{$key}) eq 'HASH') {
11213: if (ref($access_controls{$file_name}{$key}{'ip'}) eq 'ARRAY') {
11214: if (grep(/^\Q$ip\E$/,@{$access_controls{$file_name}{$key}{'ip'}})) {
11215: if ($urls{$requrl} eq 'add') {
11216: $action = 'none';
11217: last;
11218: } else {
11219: $action = 'delete';
11220: $aclnum = $num;
11221: last;
11222: }
11223: }
11224: }
11225: }
11226: } elsif ($accesstype eq 'public') {
11227: if ($urls{$requrl} eq 'add') {
11228: $action = 'none';
11229: last;
11230: } else {
11231: $action = 'delete';
11232: $aclnum = $num;
11233: last;
11234: }
11235: }
11236: } elsif ($accesstype eq 'public') {
1.827 raeburn 11237: $action = 'update';
11238: $aclnum = $num;
1.1271 raeburn 11239: last;
1.827 raeburn 11240: }
11241: }
11242: }
11243: if ($action eq 'none') {
1.1271 raeburn 11244: next;
1.827 raeburn 11245: } else {
11246: my %changes;
11247: my $newend = 0;
11248: my $newstart = $now;
1.1271 raeburn 11249: my $newkey = $aclnum.':'.$accesstype.'_'.$newend.'_'.$newstart;
1.827 raeburn 11250: $changes{$action}{$newkey} = {
1.1271 raeburn 11251: type => $accesstype,
1.827 raeburn 11252: time => {
11253: start => $newstart,
11254: end => $newend,
11255: },
11256: };
1.1271 raeburn 11257: if ($accesstype eq 'ip') {
11258: $changes{$action}{$newkey}{'ip'} = [$ip];
11259: }
1.827 raeburn 11260: my ($outcome,$deloutcome,$new_values,$translation) =
11261: &modify_access_controls($file_name,\%changes,$udom,$unum);
1.1271 raeburn 11262: unless ($outcome eq 'ok') {
11263: $errors .= $outcome.' ';
11264: }
1.827 raeburn 11265: }
1.1271 raeburn 11266: }
11267: if ($errors) {
11268: $errors =~ s/\s$//;
11269: return $errors;
1.827 raeburn 11270: } else {
1.1271 raeburn 11271: return 'ok';
1.827 raeburn 11272: }
11273: }
11274:
1.745 raeburn 11275: #------------------------------------------------------Get Marked as Read Only
11276:
11277: sub get_marked_as_readonly {
11278: my ($domain,$user,$what,$group) = @_;
11279: my $current_permissions = &get_portfile_permissions($domain,$user);
1.563 banghart 11280: my @readonly_files;
1.629 banghart 11281: my $cmp1=$what;
11282: if (ref($what)) { $cmp1=join('',@{$what}) };
1.745 raeburn 11283: while (my ($file_name,$value) = each(%{$current_permissions})) {
11284: if (defined($group)) {
11285: if ($file_name !~ m-^\Q$group\E/-) {
11286: next;
11287: }
11288: }
1.561 banghart 11289: if (ref($value) eq "ARRAY"){
11290: foreach my $stored_what (@{$value}) {
1.629 banghart 11291: my $cmp2=$stored_what;
1.759 albertel 11292: if (ref($stored_what) eq 'ARRAY') {
1.746 raeburn 11293: $cmp2=join('',@{$stored_what});
1.745 raeburn 11294: }
1.629 banghart 11295: if ($cmp1 eq $cmp2) {
1.561 banghart 11296: push(@readonly_files, $file_name);
1.745 raeburn 11297: last;
1.563 banghart 11298: } elsif (!defined($what)) {
11299: push(@readonly_files, $file_name);
1.745 raeburn 11300: last;
1.561 banghart 11301: }
11302: }
1.745 raeburn 11303: }
1.561 banghart 11304: }
11305: return @readonly_files;
11306: }
1.577 banghart 11307: #-----------------------------------------------------------Get Marked as Read Only Hash
1.561 banghart 11308:
1.577 banghart 11309: sub get_marked_as_readonly_hash {
1.745 raeburn 11310: my ($current_permissions,$group,$what) = @_;
1.577 banghart 11311: my %readonly_files;
1.745 raeburn 11312: while (my ($file_name,$value) = each(%{$current_permissions})) {
11313: if (defined($group)) {
11314: if ($file_name !~ m-^\Q$group\E/-) {
11315: next;
11316: }
11317: }
1.577 banghart 11318: if (ref($value) eq "ARRAY"){
11319: foreach my $stored_what (@{$value}) {
1.745 raeburn 11320: if (ref($stored_what) eq 'ARRAY') {
1.750 banghart 11321: foreach my $lock_descriptor(@{$stored_what}) {
11322: if ($lock_descriptor eq 'graded') {
11323: $readonly_files{$file_name} = 'graded';
11324: } elsif ($lock_descriptor eq 'handback') {
11325: $readonly_files{$file_name} = 'handback';
11326: } else {
11327: if (!exists($readonly_files{$file_name})) {
11328: $readonly_files{$file_name} = 'locked';
11329: }
11330: }
1.745 raeburn 11331: }
1.750 banghart 11332: }
1.577 banghart 11333: }
11334: }
11335: }
11336: return %readonly_files;
11337: }
1.559 banghart 11338: # ------------------------------------------------------------ Unmark as Read Only
11339:
11340: sub unmark_as_readonly {
1.629 banghart 11341: # unmarks $file_name (if $file_name is defined), or all files locked by $what
11342: # for portfolio submissions, $what contains [$symb,$crsid]
1.745 raeburn 11343: my ($domain,$user,$what,$file_name,$group) = @_;
1.759 albertel 11344: $file_name = &declutter_portfile($file_name);
1.634 albertel 11345: my $symb_crs = $what;
11346: if (ref($what)) { $symb_crs=join('',@$what); }
1.745 raeburn 11347: my %current_permissions = &dump('file_permissions',$domain,$user,$group);
1.615 albertel 11348: my ($tmp)=keys(%current_permissions);
11349: if ($tmp=~/^error:/) { undef(%current_permissions); }
1.745 raeburn 11350: my @readonly_files = &get_marked_as_readonly($domain,$user,$what,$group);
1.650 albertel 11351: foreach my $file (@readonly_files) {
1.759 albertel 11352: my $clean_file = &declutter_portfile($file);
11353: if (defined($file_name) && ($file_name ne $clean_file)) { next; }
1.650 albertel 11354: my $current_locks = $current_permissions{$file};
1.563 banghart 11355: my @new_locks;
11356: my @del_keys;
11357: if (ref($current_locks) eq "ARRAY"){
11358: foreach my $locker (@{$current_locks}) {
1.632 albertel 11359: my $compare=$locker;
1.749 raeburn 11360: if (ref($locker) eq 'ARRAY') {
1.745 raeburn 11361: $compare=join('',@{$locker});
1.746 raeburn 11362: if ($compare ne $symb_crs) {
11363: push(@new_locks, $locker);
11364: }
1.563 banghart 11365: }
11366: }
1.650 albertel 11367: if (scalar(@new_locks) > 0) {
1.563 banghart 11368: $current_permissions{$file} = \@new_locks;
11369: } else {
11370: push(@del_keys, $file);
1.613 albertel 11371: &del('file_permissions',\@del_keys, $domain, $user);
1.650 albertel 11372: delete($current_permissions{$file});
1.563 banghart 11373: }
11374: }
1.561 banghart 11375: }
1.613 albertel 11376: &put('file_permissions',\%current_permissions,$domain,$user);
1.559 banghart 11377: return;
11378: }
1.512 banghart 11379:
1.17 www 11380: # ------------------------------------------------------------ Directory lister
11381:
11382: sub dirlist {
1.955 raeburn 11383: my ($uri,$userdomain,$username,$getpropath,$getuserdir,$alternateRoot)=@_;
1.18 www 11384: $uri=~s/^\///;
11385: $uri=~s/\/$//;
1.253 stredwic 11386: my ($udom, $uname);
1.955 raeburn 11387: if ($getuserdir) {
1.253 stredwic 11388: $udom = $userdomain;
11389: $uname = $username;
1.955 raeburn 11390: } else {
11391: (undef,$udom,$uname)=split(/\//,$uri);
11392: if(defined($userdomain)) {
11393: $udom = $userdomain;
11394: }
11395: if(defined($username)) {
11396: $uname = $username;
11397: }
1.253 stredwic 11398: }
1.955 raeburn 11399: my ($dirRoot,$listing,@listing_results);
1.253 stredwic 11400:
1.955 raeburn 11401: $dirRoot = $perlvar{'lonDocRoot'};
11402: if (defined($getpropath)) {
11403: $dirRoot = &propath($udom,$uname);
1.253 stredwic 11404: $dirRoot =~ s/\/$//;
1.955 raeburn 11405: } elsif (defined($getuserdir)) {
11406: my $subdir=$uname.'__';
11407: $subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/;
11408: $dirRoot = $Apache::lonnet::perlvar{'lonUsersDir'}
11409: ."/$udom/$subdir/$uname";
11410: } elsif (defined($alternateRoot)) {
11411: $dirRoot = $alternateRoot;
1.751 banghart 11412: }
1.253 stredwic 11413:
11414: if($udom) {
11415: if($uname) {
1.1135 raeburn 11416: my $uhome = &homeserver($uname,$udom);
1.1136 raeburn 11417: if ($uhome eq 'no_host') {
11418: return ([],'no_host');
11419: }
1.955 raeburn 11420: $listing = &reply('ls3:'.&escape('/'.$uri).':'.$getpropath.':'
1.956 raeburn 11421: .$getuserdir.':'.&escape($dirRoot)
1.1135 raeburn 11422: .':'.&escape($uname).':'.&escape($udom),$uhome);
1.955 raeburn 11423: if ($listing eq 'unknown_cmd') {
1.1135 raeburn 11424: $listing = &reply('ls2:'.$dirRoot.'/'.$uri,$uhome);
1.955 raeburn 11425: } else {
11426: @listing_results = map { &unescape($_); } split(/:/,$listing);
11427: }
1.605 matthew 11428: if ($listing eq 'unknown_cmd') {
1.1135 raeburn 11429: $listing = &reply('ls:'.$dirRoot.'/'.$uri,$uhome);
1.605 matthew 11430: @listing_results = split(/:/,$listing);
11431: } else {
11432: @listing_results = map { &unescape($_); } split(/:/,$listing);
11433: }
1.1135 raeburn 11434: if (($listing eq 'no_such_host') || ($listing eq 'con_lost') ||
1.1136 raeburn 11435: ($listing eq 'rejected') || ($listing eq 'refused') ||
11436: ($listing eq 'no_such_dir') || ($listing eq 'empty')) {
11437: return ([],$listing);
11438: } else {
11439: return (\@listing_results);
1.1135 raeburn 11440: }
1.955 raeburn 11441: } elsif(!$alternateRoot) {
1.1136 raeburn 11442: my (%allusers,%listerror);
1.841 albertel 11443: my %servers = &get_servers($udom,'library');
1.955 raeburn 11444: foreach my $tryserver (keys(%servers)) {
11445: $listing = &reply('ls3:'.&escape("/res/$udom").':::::'.
11446: &escape($udom),$tryserver);
11447: if ($listing eq 'unknown_cmd') {
11448: $listing = &reply('ls2:'.$perlvar{'lonDocRoot'}.'/res/'.
11449: $udom, $tryserver);
11450: } else {
11451: @listing_results = map { &unescape($_); } split(/:/,$listing);
11452: }
1.841 albertel 11453: if ($listing eq 'unknown_cmd') {
11454: $listing = &reply('ls:'.$perlvar{'lonDocRoot'}.'/res/'.
11455: $udom, $tryserver);
11456: @listing_results = split(/:/,$listing);
11457: } else {
11458: @listing_results =
11459: map { &unescape($_); } split(/:/,$listing);
11460: }
1.1136 raeburn 11461: if (($listing eq 'no_such_host') || ($listing eq 'con_lost') ||
11462: ($listing eq 'rejected') || ($listing eq 'refused') ||
11463: ($listing eq 'no_such_dir') || ($listing eq 'empty')) {
11464: $listerror{$tryserver} = $listing;
11465: } else {
1.841 albertel 11466: foreach my $line (@listing_results) {
11467: my ($entry) = split(/&/,$line,2);
11468: $allusers{$entry} = 1;
11469: }
11470: }
1.253 stredwic 11471: }
1.1136 raeburn 11472: my @alluserslist=();
1.800 albertel 11473: foreach my $user (sort(keys(%allusers))) {
1.1136 raeburn 11474: push(@alluserslist,$user.'&user');
1.253 stredwic 11475: }
1.1318 droeschl 11476:
11477: if (!%listerror) {
11478: # no errors
11479: return (\@alluserslist);
11480: } elsif (scalar(keys(%servers)) == 1) {
11481: # one library server, one error
11482: my ($key) = keys(%listerror);
11483: return (\@alluserslist, $listerror{$key});
11484: } elsif ( grep { $_ eq 'con_lost' } values(%listerror) ) {
11485: # con_lost indicates that we might miss data from at least one
11486: # library server
11487: return (\@alluserslist, 'con_lost');
11488: } else {
11489: # multiple library servers and no con_lost -> data should be
11490: # complete.
11491: return (\@alluserslist);
11492: }
11493:
1.253 stredwic 11494: } else {
1.1136 raeburn 11495: return ([],'missing username');
1.253 stredwic 11496: }
1.955 raeburn 11497: } elsif(!defined($getpropath)) {
1.1136 raeburn 11498: my $path = $perlvar{'lonDocRoot'}.'/res/';
11499: my @all_domains = map { $path.$_.'/&domain'; } (sort(&all_domains()));
11500: return (\@all_domains);
1.955 raeburn 11501: } else {
1.1136 raeburn 11502: return ([],'missing domain');
1.275 stredwic 11503: }
11504: }
11505:
11506: # --------------------------------------------- GetFileTimestamp
11507: # This function utilizes dirlist and returns the date stamp for
11508: # when it was last modified. It will also return an error of -1
11509: # if an error occurs
11510:
11511: sub GetFileTimestamp {
1.955 raeburn 11512: my ($studentDomain,$studentName,$filename,$getuserdir)=@_;
1.807 albertel 11513: $studentDomain = &LONCAPA::clean_domain($studentDomain);
11514: $studentName = &LONCAPA::clean_username($studentName);
1.1136 raeburn 11515: my ($fileref,$error) = &dirlist($filename,$studentDomain,$studentName,
11516: undef,$getuserdir);
11517: if (($error eq 'empty') || ($error eq 'no_such_dir')) {
11518: return -1;
11519: }
11520: if (ref($fileref) eq 'ARRAY') {
11521: my @stats = split('&',$fileref->[0]);
1.375 matthew 11522: # @stats contains first the filename, then the stat output
11523: return $stats[10]; # so this is 10 instead of 9.
1.275 stredwic 11524: } else {
11525: return -1;
1.253 stredwic 11526: }
1.26 www 11527: }
11528:
1.712 albertel 11529: sub stat_file {
11530: my ($uri) = @_;
1.787 albertel 11531: $uri = &clutter_with_no_wrapper($uri);
1.722 albertel 11532:
1.955 raeburn 11533: my ($udom,$uname,$file);
1.712 albertel 11534: if ($uri =~ m-^/(uploaded|editupload)/-) {
11535: ($udom,$uname,$file) =
1.811 albertel 11536: ($uri =~ m-/(?:uploaded|editupload)/?($match_domain)/?($match_name)/?(.*)-);
1.712 albertel 11537: $file = 'userfiles/'.$file;
11538: }
11539: if ($uri =~ m-^/res/-) {
11540: ($udom,$uname) =
1.807 albertel 11541: ($uri =~ m-/(?:res)/?($match_domain)/?($match_username)/-);
1.712 albertel 11542: $file = $uri;
11543: }
11544:
11545: if (!$udom || !$uname || !$file) {
11546: # unable to handle the uri
11547: return ();
11548: }
1.956 raeburn 11549: my $getpropath;
11550: if ($file =~ /^userfiles\//) {
11551: $getpropath = 1;
11552: }
1.1136 raeburn 11553: my ($listref,$error) = &dirlist($file,$udom,$uname,$getpropath);
11554: if (($error eq 'empty') || ($error eq 'no_such_dir')) {
11555: return ();
11556: } else {
11557: if (ref($listref) eq 'ARRAY') {
11558: my @stats = split('&',$listref->[0]);
11559: shift(@stats); #filename is first
11560: return @stats;
11561: }
1.712 albertel 11562: }
11563: return ();
11564: }
11565:
1.1313 raeburn 11566: # --------------------------------------------------------- recursedirs
11567: # Recursive function to traverse either a specific user's Authoring Space
11568: # or corresponding Published Resource Space, and populate the hash ref:
11569: # $dirhashref with URLs of all directories, and if $filehashref hash
11570: # ref arg is provided, the URLs of any files, excluding versioned, .meta,
11571: # or .rights files in resource space, and .meta, .save, .log, and .bak
11572: # files in Authoring Space.
11573: #
11574: # Inputs:
11575: #
11576: # $is_home - true if current server is home server for user's space
11577: # $context - either: priv, or res respectively for Authoring or Resource Space.
11578: # $docroot - Document root (i.e., /home/httpd/html
11579: # $toppath - Top level directory (i.e., /res/$dom/$uname or /priv/$dom/$uname
11580: # $relpath - Current path (relative to top level).
11581: # $dirhashref - reference to hash to populate with URLs of directories (Required)
11582: # $filehashref - reference to hash to populate with URLs of files (Optional)
11583: #
11584: # Returns: nothing
11585: #
11586: # Side Effects: populates $dirhashref, and $filehashref (if provided).
11587: #
11588: # Currently used by interface/londocs.pm to create linked select boxes for
11589: # directory and filename to import a Course "Author" resource into a course, and
11590: # also to create linked select boxes for Authoring Space and Directory to choose
11591: # save location for creation of a new "standard" problem from the Course Editor.
11592: #
11593:
11594: sub recursedirs {
11595: my ($is_home,$context,$docroot,$toppath,$relpath,$dirhashref,$filehashref) = @_;
11596: return unless (ref($dirhashref) eq 'HASH');
11597: my $currpath = $docroot.$toppath;
11598: if ($relpath) {
11599: $currpath .= "/$relpath";
11600: }
11601: my $savefile;
11602: if (ref($filehashref)) {
11603: $savefile = 1;
11604: }
11605: if ($is_home) {
11606: if (opendir(my $dirh,$currpath)) {
11607: foreach my $item (sort { lc($a) cmp lc($b) } grep(!/^\.+$/,readdir($dirh))) {
11608: next if ($item eq '');
11609: if (-d "$currpath/$item") {
11610: my $newpath;
11611: if ($relpath) {
11612: $newpath = "$relpath/$item";
11613: } else {
11614: $newpath = $item;
11615: }
11616: $dirhashref->{&Apache::lonlocal::js_escape($newpath)} = 1;
11617: &recursedirs($is_home,$context,$docroot,$toppath,$newpath,$dirhashref,$filehashref);
11618: } elsif ($savefile) {
11619: if ($context eq 'priv') {
11620: unless ($item =~ /\.(meta|save|log|bak|DS_Store)$/) {
11621: $filehashref->{&Apache::lonlocal::js_escape($relpath)}{$item} = 1;
11622: }
11623: } else {
11624: unless (($item =~ /\.meta$/) || ($item =~ /\.\d+\.\w+$/) || ($item =~ /\.rights$/)) {
11625: $filehashref->{&Apache::lonlocal::js_escape($relpath)}{$item} = 1;
11626: }
11627: }
11628: }
11629: }
11630: closedir($dirh);
11631: }
11632: } else {
11633: my ($dirlistref,$listerror) =
11634: &dirlist($toppath.$relpath);
11635: my @dir_lines;
11636: my $dirptr=16384;
11637: if (ref($dirlistref) eq 'ARRAY') {
11638: foreach my $dir_line (sort
11639: {
11640: my ($afile)=split('&',$a,2);
11641: my ($bfile)=split('&',$b,2);
11642: return (lc($afile) cmp lc($bfile));
11643: } (@{$dirlistref})) {
11644: my ($item,$dom,undef,$testdir,undef,undef,undef,undef,$size,undef,$mtime,undef,undef,undef,$obs,undef) =
11645: split(/\&/,$dir_line,16);
11646: $item =~ s/\s+$//;
11647: next if (($item =~ /^\.\.?$/) || ($obs));
11648: if ($dirptr&$testdir) {
11649: my $newpath;
11650: if ($relpath) {
11651: $newpath = "$relpath/$item";
11652: } else {
11653: $relpath = '/';
11654: $newpath = $item;
11655: }
11656: $dirhashref->{&Apache::lonlocal::js_escape($newpath)} = 1;
11657: &recursedirs($is_home,$context,$docroot,$toppath,$newpath,$dirhashref,$filehashref);
11658: } elsif ($savefile) {
11659: if ($context eq 'priv') {
11660: unless ($item =~ /\.(meta|save|log|bak|DS_Store)$/) {
11661: $filehashref->{$relpath}{$item} = 1;
11662: }
11663: } else {
11664: unless (($item =~ /\.meta$/) || ($item =~ /\.\d+\.\w+$/)) {
11665: $filehashref->{$relpath}{$item} = 1;
11666: }
11667: }
11668: }
11669: }
11670: }
11671: }
11672: return;
11673: }
11674:
1.26 www 11675: # -------------------------------------------------------- Value of a Condition
11676:
1.713 albertel 11677: # gets the value of a specific preevaluated condition
11678: # stored in the string $env{user.state.<cid>}
11679: # or looks up a condition reference in the bighash and if if hasn't
11680: # already been evaluated recurses into docondval to get the value of
11681: # the condition, then memoizing it to
11682: # $env{user.state.<cid>.<condition>}
1.40 www 11683: sub directcondval {
11684: my $number=shift;
1.620 albertel 11685: if (!defined($env{'user.state.'.$env{'request.course.id'}})) {
1.555 albertel 11686: &Apache::lonuserstate::evalstate();
11687: }
1.713 albertel 11688: if (exists($env{'user.state.'.$env{'request.course.id'}.".$number"})) {
11689: return $env{'user.state.'.$env{'request.course.id'}.".$number"};
11690: } elsif ($number =~ /^_/) {
11691: my $sub_condition;
11692: if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
11693: &GDBM_READER(),0640)) {
11694: $sub_condition=$bighash{'conditions'.$number};
11695: untie(%bighash);
11696: }
11697: my $value = &docondval($sub_condition);
1.949 raeburn 11698: &appenv({'user.state.'.$env{'request.course.id'}.".$number" => $value});
1.713 albertel 11699: return $value;
11700: }
1.620 albertel 11701: if ($env{'user.state.'.$env{'request.course.id'}}) {
11702: return substr($env{'user.state.'.$env{'request.course.id'}},$number,1);
1.40 www 11703: } else {
11704: return 2;
11705: }
11706: }
11707:
1.713 albertel 11708: # get the collection of conditions for this resource
1.26 www 11709: sub condval {
11710: my $condidx=shift;
1.54 www 11711: my $allpathcond='';
1.713 albertel 11712: foreach my $cond (split(/\|/,$condidx)) {
11713: if (defined($env{'acc.cond.'.$env{'request.course.id'}.'.'.$cond})) {
11714: $allpathcond.=
11715: '('.$env{'acc.cond.'.$env{'request.course.id'}.'.'.$cond}.')|';
11716: }
1.191 harris41 11717: }
1.54 www 11718: $allpathcond=~s/\|$//;
1.713 albertel 11719: return &docondval($allpathcond);
11720: }
11721:
11722: #evaluates an expression of conditions
11723: sub docondval {
11724: my ($allpathcond) = @_;
11725: my $result=0;
11726: if ($env{'request.course.id'}
11727: && defined($allpathcond)) {
11728: my $operand='|';
11729: my @stack;
11730: foreach my $chunk ($allpathcond=~/(\d+|_\d+\.\d+|\(|\)|\&|\|)/g) {
11731: if ($chunk eq '(') {
11732: push @stack,($operand,$result);
11733: } elsif ($chunk eq ')') {
11734: my $before=pop @stack;
11735: if (pop @stack eq '&') {
11736: $result=$result>$before?$before:$result;
11737: } else {
11738: $result=$result>$before?$result:$before;
11739: }
11740: } elsif (($chunk eq '&') || ($chunk eq '|')) {
11741: $operand=$chunk;
11742: } else {
11743: my $new=directcondval($chunk);
11744: if ($operand eq '&') {
11745: $result=$result>$new?$new:$result;
11746: } else {
11747: $result=$result>$new?$result:$new;
11748: }
11749: }
11750: }
1.26 www 11751: }
11752: return $result;
1.421 albertel 11753: }
11754:
11755: # ---------------------------------------------------- Devalidate courseresdata
11756:
11757: sub devalidatecourseresdata {
11758: my ($coursenum,$coursedomain)=@_;
11759: my $hashid=$coursenum.':'.$coursedomain;
1.599 albertel 11760: &devalidate_cache_new('courseres',$hashid);
1.28 www 11761: }
11762:
1.763 www 11763:
1.200 www 11764: # --------------------------------------------------- Course Resourcedata Query
1.878 foxr 11765: #
11766: # Parameters:
11767: # $coursenum - Number of the course.
11768: # $coursedomain - Domain at which the course was created.
11769: # Returns:
11770: # A hash of the course parameters along (I think) with timestamps
11771: # and version info.
1.877 foxr 11772:
1.624 albertel 11773: sub get_courseresdata {
11774: my ($coursenum,$coursedomain)=@_;
1.200 www 11775: my $coursehom=&homeserver($coursenum,$coursedomain);
11776: my $hashid=$coursenum.':'.$coursedomain;
1.599 albertel 11777: my ($result,$cached)=&is_cached_new('courseres',$hashid);
1.624 albertel 11778: my %dumpreply;
1.417 albertel 11779: unless (defined($cached)) {
1.624 albertel 11780: %dumpreply=&dump('resourcedata',$coursedomain,$coursenum);
1.417 albertel 11781: $result=\%dumpreply;
1.251 albertel 11782: my ($tmp) = keys(%dumpreply);
11783: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
1.599 albertel 11784: &do_cache_new('courseres',$hashid,$result,600);
1.306 albertel 11785: } elsif ($tmp =~ /^(con_lost|no_such_host)/) {
11786: return $tmp;
1.416 albertel 11787: } elsif ($tmp =~ /^(error)/) {
1.417 albertel 11788: $result=undef;
1.599 albertel 11789: &do_cache_new('courseres',$hashid,$result,600);
1.250 albertel 11790: }
11791: }
1.624 albertel 11792: return $result;
11793: }
11794:
1.633 albertel 11795: sub devalidateuserresdata {
11796: my ($uname,$udom)=@_;
11797: my $hashid="$udom:$uname";
11798: &devalidate_cache_new('userres',$hashid);
11799: }
11800:
1.624 albertel 11801: sub get_userresdata {
11802: my ($uname,$udom)=@_;
11803: #most student don\'t have any data set, check if there is some data
11804: if (&EXT_cache_status($udom,$uname)) { return undef; }
11805:
11806: my $hashid="$udom:$uname";
11807: my ($result,$cached)=&is_cached_new('userres',$hashid);
11808: if (!defined($cached)) {
11809: my %resourcedata=&dump('resourcedata',$udom,$uname);
11810: $result=\%resourcedata;
11811: &do_cache_new('userres',$hashid,$result,600);
11812: }
11813: my ($tmp)=keys(%$result);
11814: if (($tmp!~/^error\:/) && ($tmp!~/^con_lost/)) {
11815: return $result;
11816: }
11817: #error 2 occurs when the .db doesn't exist
11818: if ($tmp!~/error: 2 /) {
1.1294 raeburn 11819: if ((!defined($cached)) || ($tmp ne 'con_lost')) {
11820: &logthis("<font color=\"blue\">WARNING:".
11821: " Trying to get resource data for ".
11822: $uname." at ".$udom.": ".
11823: $tmp."</font>");
11824: }
1.624 albertel 11825: } elsif ($tmp=~/error: 2 /) {
1.633 albertel 11826: #&EXT_cache_set($udom,$uname);
11827: &do_cache_new('userres',$hashid,undef,600);
1.636 albertel 11828: undef($tmp); # not really an error so don't send it back
1.624 albertel 11829: }
11830: return $tmp;
11831: }
1.879 foxr 11832: #----------------------------------------------- resdata - return resource data
11833: # Purpose:
11834: # Return resource data for either users or for a course.
11835: # Parameters:
11836: # $name - Course/user name.
11837: # $domain - Name of the domain the user/course is registered on.
1.1311 raeburn 11838: # $type - Type of thing $name is (must be 'course' or 'user')
1.1301 raeburn 11839: # $mapp - decluttered URL of enclosing map
11840: # $recursed - Ref to scalar -- set to 1, if nested maps have been recursed.
11841: # $recurseup - Ref to array of map URLs, starting with map containing
11842: # $mapp up through hierarchy of nested maps to top level map.
11843: # $courseid - CourseID (first part of param identifier).
11844: # $modifier - Middle part of param identifier.
11845: # $what - Last part of param identifier.
1.879 foxr 11846: # @which - Array of names of resources desired.
11847: # Returns:
11848: # The value of the first reasource in @which that is found in the
11849: # resource hash.
11850: # Exceptional Conditions:
11851: # If the $type passed in is not valid (not the string 'course' or
11852: # 'user', an undefined reference is returned.
11853: # If none of the resources are found, an undef is returned
1.624 albertel 11854: sub resdata {
1.1301 raeburn 11855: my ($name,$domain,$type,$mapp,$recursed,$recurseup,$courseid,
11856: $modifier,$what,@which)=@_;
1.624 albertel 11857: my $result;
11858: if ($type eq 'course') {
11859: $result=&get_courseresdata($name,$domain);
11860: } elsif ($type eq 'user') {
11861: $result=&get_userresdata($name,$domain);
11862: }
11863: if (!ref($result)) { return $result; }
1.251 albertel 11864: foreach my $item (@which) {
1.1301 raeburn 11865: if ($item->[1] eq 'course') {
11866: if ((ref($recurseup) eq 'ARRAY') && (ref($recursed) eq 'SCALAR')) {
11867: unless ($$recursed) {
1.1302 raeburn 11868: @{$recurseup} = &get_map_hierarchy($mapp,$courseid);
1.1301 raeburn 11869: $$recursed = 1;
11870: }
11871: foreach my $item (@${recurseup}) {
11872: my $norecursechk=$courseid.$modifier.$item.'___(all).'.$what;
11873: last if (defined($result->{$norecursechk}));
11874: my $recursechk=$courseid.$modifier.$item.'___(rec).'.$what;
11875: if (defined($result->{$recursechk})) { return [$result->{$recursechk},'map']; }
11876: }
11877: }
11878: }
11879: if (defined($result->{$item->[0]})) {
1.927 albertel 11880: return [$result->{$item->[0]},$item->[1]];
1.251 albertel 11881: }
1.250 albertel 11882: }
1.291 albertel 11883: return undef;
1.200 www 11884: }
11885:
1.1360 raeburn 11886: sub get_domain_lti {
11887: my ($cdom,$context) = @_;
11888: my ($name,%lti);
11889: if ($context eq 'consumer') {
11890: $name = 'ltitools';
11891: } elsif ($context eq 'provider') {
11892: $name = 'lti';
11893: } else {
11894: return %lti;
11895: }
11896: my ($result,$cached)=&is_cached_new($name,$cdom);
1.1298 raeburn 11897: if (defined($cached)) {
11898: if (ref($result) eq 'HASH') {
1.1360 raeburn 11899: %lti = %{$result};
1.1298 raeburn 11900: }
11901: } else {
1.1360 raeburn 11902: my %domconfig = &get_dom('configuration',[$name],$cdom);
11903: if (ref($domconfig{$name}) eq 'HASH') {
11904: %lti = %{$domconfig{$name}};
11905: my %encdomconfig = &get_dom('encconfig',[$name],$cdom);
11906: if (ref($encdomconfig{$name}) eq 'HASH') {
11907: foreach my $id (keys(%lti)) {
11908: if (ref($encdomconfig{$name}{$id}) eq 'HASH') {
1.1344 raeburn 11909: foreach my $item ('key','secret') {
1.1360 raeburn 11910: $lti{$id}{$item} = $encdomconfig{$name}{$id}{$item};
1.1344 raeburn 11911: }
11912: }
11913: }
11914: }
1.1298 raeburn 11915: }
11916: my $cachetime = 24*60*60;
1.1360 raeburn 11917: &do_cache_new($name,$cdom,\%lti,$cachetime);
1.1298 raeburn 11918: }
1.1360 raeburn 11919: return %lti;
1.1298 raeburn 11920: }
11921:
1.1236 raeburn 11922: sub get_numsuppfiles {
11923: my ($cnum,$cdom,$ignorecache)=@_;
11924: my $hashid=$cnum.':'.$cdom;
11925: my ($suppcount,$cached);
11926: unless ($ignorecache) {
11927: ($suppcount,$cached) = &is_cached_new('suppcount',$hashid);
11928: }
11929: unless (defined($cached)) {
11930: my $chome=&homeserver($cnum,$cdom);
11931: unless ($chome eq 'no_host') {
1.1366 raeburn 11932: ($suppcount,my $supptools,my $errors) = (0,0,0);
1.1236 raeburn 11933: my $suppmap = 'supplemental.sequence';
1.1366 raeburn 11934: ($suppcount,$supptools,$errors) =
11935: &Apache::loncommon::recurse_supplemental($cnum,$cdom,$suppmap,$suppcount,
11936: $supptools,$errors);
1.1236 raeburn 11937: }
11938: &do_cache_new('suppcount',$hashid,$suppcount,600);
11939: }
11940: return $suppcount;
11941: }
11942:
1.379 matthew 11943: #
11944: # EXT resource caching routines
11945: #
11946:
1.1302 raeburn 11947: {
11948: # Cache (5 seconds) of map hierarchy for speedup of navmaps display
11949: #
11950: # The course for which we cache
11951: my $cachedmapkey='';
11952: # The cached recursive maps for this course
11953: my %cachedmaps=();
11954: # When this was last done
11955: my $cachedmaptime='';
11956:
1.379 matthew 11957: sub clear_EXT_cache_status {
1.383 albertel 11958: &delenv('cache.EXT.');
1.379 matthew 11959: }
11960:
11961: sub EXT_cache_status {
11962: my ($target_domain,$target_user) = @_;
1.383 albertel 11963: my $cachename = 'cache.EXT.'.$target_user.'.'.$target_domain;
1.620 albertel 11964: if (exists($env{$cachename}) && ($env{$cachename}+600) > time) {
1.379 matthew 11965: # We know already the user has no data
11966: return 1;
11967: } else {
11968: return 0;
11969: }
11970: }
11971:
11972: sub EXT_cache_set {
11973: my ($target_domain,$target_user) = @_;
1.383 albertel 11974: my $cachename = 'cache.EXT.'.$target_user.'.'.$target_domain;
1.949 raeburn 11975: #&appenv({$cachename => time});
1.379 matthew 11976: }
11977:
1.28 www 11978: # --------------------------------------------------------- Value of a Variable
1.58 www 11979: sub EXT {
1.715 albertel 11980:
1.1228 raeburn 11981: my ($varname,$symbparm,$udom,$uname,$usection,$recurse,$cid)=@_;
1.68 www 11982: unless ($varname) { return ''; }
1.218 albertel 11983: #get real user name/domain, courseid and symb
11984: my $courseid;
1.359 albertel 11985: my $publicuser;
1.427 www 11986: if ($symbparm) {
11987: $symbparm=&get_symb_from_alias($symbparm);
11988: }
1.218 albertel 11989: if (!($uname && $udom)) {
1.790 albertel 11990: (my $cursymb,$courseid,$udom,$uname,$publicuser)= &whichuser($symbparm);
1.218 albertel 11991: if (!$symbparm) { $symbparm=$cursymb; }
11992: } else {
1.620 albertel 11993: $courseid=$env{'request.course.id'};
1.218 albertel 11994: }
1.48 www 11995: my ($realm,$space,$qualifier,@therest)=split(/\./,$varname);
11996: my $rest;
1.320 albertel 11997: if (defined($therest[0])) {
1.48 www 11998: $rest=join('.',@therest);
11999: } else {
12000: $rest='';
12001: }
1.320 albertel 12002:
1.57 www 12003: my $qualifierrest=$qualifier;
12004: if ($rest) { $qualifierrest.='.'.$rest; }
12005: my $spacequalifierrest=$space;
12006: if ($qualifierrest) { $spacequalifierrest.='.'.$qualifierrest; }
1.28 www 12007: if ($realm eq 'user') {
1.48 www 12008: # --------------------------------------------------------------- user.resource
12009: if ($space eq 'resource') {
1.651 albertel 12010: if ( (defined($Apache::lonhomework::parsing_a_problem)
12011: || defined($Apache::lonhomework::parsing_a_task))
12012: &&
1.744 albertel 12013: ($symbparm eq &symbread()) ) {
12014: # if we are in the middle of processing the resource the
12015: # get the value we are planning on committing
12016: if (defined($Apache::lonhomework::results{$qualifierrest})) {
12017: return $Apache::lonhomework::results{$qualifierrest};
12018: } else {
12019: return $Apache::lonhomework::history{$qualifierrest};
12020: }
1.335 albertel 12021: } else {
1.359 albertel 12022: my %restored;
1.620 albertel 12023: if ($publicuser || $env{'request.state'} eq 'construct') {
1.359 albertel 12024: %restored=&tmprestore($symbparm,$courseid,$udom,$uname);
12025: } else {
12026: %restored=&restore($symbparm,$courseid,$udom,$uname);
12027: }
1.335 albertel 12028: return $restored{$qualifierrest};
12029: }
1.48 www 12030: # ----------------------------------------------------------------- user.access
12031: } elsif ($space eq 'access') {
1.218 albertel 12032: # FIXME - not supporting calls for a specific user
1.48 www 12033: return &allowed($qualifier,$rest);
12034: # ------------------------------------------ user.preferences, user.environment
12035: } elsif (($space eq 'preferences') || ($space eq 'environment')) {
1.620 albertel 12036: if (($uname eq $env{'user.name'}) &&
12037: ($udom eq $env{'user.domain'})) {
12038: return $env{join('.',('environment',$qualifierrest))};
1.218 albertel 12039: } else {
1.359 albertel 12040: my %returnhash;
12041: if (!$publicuser) {
12042: %returnhash=&userenvironment($udom,$uname,
12043: $qualifierrest);
12044: }
1.218 albertel 12045: return $returnhash{$qualifierrest};
12046: }
1.48 www 12047: # ----------------------------------------------------------------- user.course
12048: } elsif ($space eq 'course') {
1.218 albertel 12049: # FIXME - not supporting calls for a specific user
1.620 albertel 12050: return $env{join('.',('request.course',$qualifier))};
1.48 www 12051: # ------------------------------------------------------------------- user.role
12052: } elsif ($space eq 'role') {
1.218 albertel 12053: # FIXME - not supporting calls for a specific user
1.620 albertel 12054: my ($role,$where)=split(/\./,$env{'request.role'});
1.48 www 12055: if ($qualifier eq 'value') {
12056: return $role;
12057: } elsif ($qualifier eq 'extent') {
12058: return $where;
12059: }
12060: # ----------------------------------------------------------------- user.domain
12061: } elsif ($space eq 'domain') {
1.218 albertel 12062: return $udom;
1.48 www 12063: # ------------------------------------------------------------------- user.name
12064: } elsif ($space eq 'name') {
1.218 albertel 12065: return $uname;
1.48 www 12066: # ---------------------------------------------------- Any other user namespace
1.29 www 12067: } else {
1.359 albertel 12068: my %reply;
12069: if (!$publicuser) {
12070: %reply=&get($space,[$qualifierrest],$udom,$uname);
12071: }
12072: return $reply{$qualifierrest};
1.48 www 12073: }
1.236 www 12074: } elsif ($realm eq 'query') {
12075: # ---------------------------------------------- pull stuff out of query string
1.384 albertel 12076: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
12077: [$spacequalifierrest]);
1.620 albertel 12078: return $env{'form.'.$spacequalifierrest};
1.236 www 12079: } elsif ($realm eq 'request') {
1.48 www 12080: # ------------------------------------------------------------- request.browser
12081: if ($space eq 'browser') {
1.1145 bisitz 12082: return $env{'browser.'.$qualifier};
1.57 www 12083: # ------------------------------------------------------------ request.filename
12084: } else {
1.620 albertel 12085: return $env{'request.'.$spacequalifierrest};
1.29 www 12086: }
1.28 www 12087: } elsif ($realm eq 'course') {
1.48 www 12088: # ---------------------------------------------------------- course.description
1.620 albertel 12089: return $env{'course.'.$courseid.'.'.$spacequalifierrest};
1.57 www 12090: } elsif ($realm eq 'resource') {
1.165 www 12091:
1.620 albertel 12092: if (defined($courseid) && $courseid eq $env{'request.course.id'}) {
1.539 albertel 12093: if (!$symbparm) { $symbparm=&symbread(); }
12094: }
1.693 albertel 12095:
1.1232 raeburn 12096: if ($qualifier eq '') {
12097: if ($space eq 'title') {
12098: if (!$symbparm) { $symbparm = $env{'request.filename'}; }
12099: return &gettitle($symbparm);
12100: }
1.693 albertel 12101:
1.1232 raeburn 12102: if ($space eq 'map') {
12103: my ($map) = &decode_symb($symbparm);
12104: return &symbread($map);
12105: }
12106: if ($space eq 'maptitle') {
12107: my ($map) = &decode_symb($symbparm);
12108: return &gettitle($map);
12109: }
12110: if ($space eq 'filename') {
12111: if ($symbparm) {
12112: return &clutter((&decode_symb($symbparm))[2]);
12113: }
12114: return &hreflocation('',$env{'request.filename'});
1.905 albertel 12115: }
1.1232 raeburn 12116:
1.1233 raeburn 12117: if ((defined($courseid)) && ($courseid eq $env{'request.course.id'}) && $symbparm) {
12118: if ($space eq 'visibleparts') {
12119: my $navmap = Apache::lonnavmaps::navmap->new();
12120: my $item;
12121: if (ref($navmap)) {
12122: my $res = $navmap->getBySymb($symbparm);
12123: my $parts = $res->parts();
12124: if (ref($parts) eq 'ARRAY') {
12125: $item = join(',',@{$parts});
12126: }
12127: undef($navmap);
1.1232 raeburn 12128: }
1.1233 raeburn 12129: return $item;
1.1232 raeburn 12130: }
12131: }
12132: }
1.693 albertel 12133:
1.1301 raeburn 12134: my ($section, $group, @groups, @recurseup, $recursed);
12135: my ($courselevelm,$courseleveli,$courselevel,$mapp);
1.1228 raeburn 12136: if (($courseid eq '') && ($cid)) {
12137: $courseid = $cid;
12138: }
12139: if (($symbparm && $courseid) &&
12140: (($courseid eq $env{'request.course.id'}) || ($courseid eq $cid))) {
1.165 www 12141:
1.218 albertel 12142: #print '<br>'.$space.' - '.$qualifier.' - '.$spacequalifierrest;
1.165 www 12143:
1.60 www 12144: # ----------------------------------------------------- Cascading lookup scheme
1.218 albertel 12145: my $symbp=$symbparm;
1.1301 raeburn 12146: $mapp=&deversion((&decode_symb($symbp))[0]);
1.218 albertel 12147: my $symbparm=$symbp.'.'.$spacequalifierrest;
1.1301 raeburn 12148: my $recurseparm=$mapp.'___(rec).'.$spacequalifierrest;
1.218 albertel 12149: my $mapparm=$mapp.'___(all).'.$spacequalifierrest;
1.620 albertel 12150: if (($env{'user.name'} eq $uname) &&
12151: ($env{'user.domain'} eq $udom)) {
12152: $section=$env{'request.course.sec'};
1.733 raeburn 12153: @groups = split(/:/,$env{'request.course.groups'});
12154: @groups=&sort_course_groups($courseid,@groups);
1.218 albertel 12155: } else {
1.539 albertel 12156: if (! defined($usection)) {
1.551 albertel 12157: $section=&getsection($udom,$uname,$courseid);
1.539 albertel 12158: } else {
12159: $section = $usection;
12160: }
1.733 raeburn 12161: @groups = &get_users_groups($udom,$uname,$courseid);
1.218 albertel 12162: }
12163:
12164: my $seclevel=$courseid.'.['.$section.'].'.$spacequalifierrest;
12165: my $seclevelr=$courseid.'.['.$section.'].'.$symbparm;
1.1301 raeburn 12166: my $secleveli=$courseid.'.['.$section.'].'.$recurseparm;
1.218 albertel 12167: my $seclevelm=$courseid.'.['.$section.'].'.$mapparm;
12168:
1.593 albertel 12169: $courselevel=$courseid.'.'.$spacequalifierrest;
1.218 albertel 12170: my $courselevelr=$courseid.'.'.$symbparm;
1.1301 raeburn 12171: $courseleveli=$courseid.'.'.$recurseparm;
1.593 albertel 12172: $courselevelm=$courseid.'.'.$mapparm;
1.69 www 12173:
1.60 www 12174: # ----------------------------------------------------------- first, check user
1.624 albertel 12175:
1.1301 raeburn 12176: my $userreply=&resdata($uname,$udom,'user',$mapp,\$recursed,
12177: \@recurseup,$courseid,'.',$spacequalifierrest,
1.927 albertel 12178: ([$courselevelr,'resource'],
12179: [$courselevelm,'map' ],
1.1301 raeburn 12180: [$courseleveli,'map' ],
1.927 albertel 12181: [$courselevel, 'course' ]));
1.931 albertel 12182: if (defined($userreply)) { return &get_reply($userreply); }
1.95 www 12183:
1.594 albertel 12184: # ------------------------------------------------ second, check some of course
1.684 raeburn 12185: my $coursereply;
1.691 raeburn 12186: if (@groups > 0) {
12187: $coursereply = &check_group_parms($courseid,\@groups,$symbparm,
1.1301 raeburn 12188: $recurseparm,$mapparm,$spacequalifierrest,
12189: $mapp,\$recursed,\@recurseup);
12190: if (defined($coursereply)) { return &get_reply($coursereply); }
1.684 raeburn 12191: }
1.96 www 12192:
1.684 raeburn 12193: $coursereply=&resdata($env{'course.'.$courseid.'.num'},
1.927 albertel 12194: $env{'course.'.$courseid.'.domain'},
1.1301 raeburn 12195: 'course',$mapp,\$recursed,\@recurseup,
12196: $courseid,'.['.$section.'].',$spacequalifierrest,
1.927 albertel 12197: ([$seclevelr, 'resource'],
12198: [$seclevelm, 'map' ],
1.1301 raeburn 12199: [$secleveli, 'map' ],
1.927 albertel 12200: [$seclevel, 'course' ],
12201: [$courselevelr,'resource']));
12202: if (defined($coursereply)) { return &get_reply($coursereply); }
1.200 www 12203:
1.60 www 12204: # ------------------------------------------------------ third, check map parms
1.218 albertel 12205: my %parmhash=();
12206: my $thisparm='';
12207: if (tie(%parmhash,'GDBM_File',
1.620 albertel 12208: $env{'request.course.fn'}.'_parms.db',
1.256 albertel 12209: &GDBM_READER(),0640)) {
1.218 albertel 12210: $thisparm=$parmhash{$symbparm};
12211: untie(%parmhash);
12212: }
1.927 albertel 12213: if ($thisparm) { return &get_reply([$thisparm,'resource']); }
1.218 albertel 12214: }
1.594 albertel 12215: # ------------------------------------------ fourth, look in resource metadata
1.1301 raeburn 12216:
12217: my $what = $spacequalifierrest;
12218: $what=~s/\./\_/;
1.282 albertel 12219: my $filename;
12220: if (!$symbparm) { $symbparm=&symbread(); }
12221: if ($symbparm) {
1.409 www 12222: $filename=(&decode_symb($symbparm))[2];
1.282 albertel 12223: } else {
1.620 albertel 12224: $filename=$env{'request.filename'};
1.282 albertel 12225: }
1.1362 raeburn 12226: my $toolsymb;
12227: if (($filename =~ /ext\.tool$/) && ($what ne '0_gradable')) {
12228: $toolsymb = $symbparm;
12229: }
12230: my $metadata=&metadata($filename,$what,$toolsymb);
1.927 albertel 12231: if (defined($metadata)) { return &get_reply([$metadata,'resource']); }
1.1362 raeburn 12232: $metadata=&metadata($filename,'parameter_'.$what,$toolsymb);
1.927 albertel 12233: if (defined($metadata)) { return &get_reply([$metadata,'resource']); }
1.142 www 12234:
1.1301 raeburn 12235: # ----------------------------------------------- fifth, look in rest of course
1.593 albertel 12236: if ($symbparm && defined($courseid) &&
1.620 albertel 12237: $courseid eq $env{'request.course.id'}) {
1.624 albertel 12238: my $coursereply=&resdata($env{'course.'.$courseid.'.num'},
12239: $env{'course.'.$courseid.'.domain'},
1.1301 raeburn 12240: 'course',$mapp,\$recursed,\@recurseup,
12241: $courseid,'.',$spacequalifierrest,
1.927 albertel 12242: ([$courselevelm,'map' ],
1.1301 raeburn 12243: [$courseleveli,'map' ],
1.927 albertel 12244: [$courselevel, 'course']));
12245: if (defined($coursereply)) { return &get_reply($coursereply); }
1.593 albertel 12246: }
1.145 www 12247: # ------------------------------------------------------------------ Cascade up
1.218 albertel 12248: unless ($space eq '0') {
1.336 albertel 12249: my @parts=split(/_/,$space);
12250: my $id=pop(@parts);
12251: my $part=join('_',@parts);
12252: if ($part eq '') { $part='0'; }
1.927 albertel 12253: my @partgeneral=&EXT('resource.'.$part.'.'.$qualifierrest,
1.395 albertel 12254: $symbparm,$udom,$uname,$section,1);
1.938 raeburn 12255: if (defined($partgeneral[0])) { return &get_reply(\@partgeneral); }
1.218 albertel 12256: }
1.395 albertel 12257: if ($recurse) { return undef; }
1.1362 raeburn 12258: my $pack_def=&packages_tab_default($filename,$varname,$toolsymb);
1.927 albertel 12259: if (defined($pack_def)) { return &get_reply([$pack_def,'resource']); }
1.48 www 12260: # ---------------------------------------------------- Any other user namespace
12261: } elsif ($realm eq 'environment') {
12262: # ----------------------------------------------------------------- environment
1.620 albertel 12263: if (($uname eq $env{'user.name'})&&($udom eq $env{'user.domain'})) {
12264: return $env{'environment.'.$spacequalifierrest};
1.219 albertel 12265: } else {
1.770 albertel 12266: if ($uname eq 'anonymous' && $udom eq '') {
12267: return '';
12268: }
1.219 albertel 12269: my %returnhash=&userenvironment($udom,$uname,
12270: $spacequalifierrest);
12271: return $returnhash{$spacequalifierrest};
12272: }
1.28 www 12273: } elsif ($realm eq 'system') {
1.48 www 12274: # ----------------------------------------------------------------- system.time
12275: if ($space eq 'time') {
12276: return time;
12277: }
1.696 albertel 12278: } elsif ($realm eq 'server') {
12279: # ----------------------------------------------------------------- system.time
12280: if ($space eq 'name') {
12281: return $ENV{'SERVER_NAME'};
12282: }
1.28 www 12283: }
1.48 www 12284: return '';
1.61 www 12285: }
12286:
1.927 albertel 12287: sub get_reply {
12288: my ($reply_value) = @_;
1.940 raeburn 12289: if (ref($reply_value) eq 'ARRAY') {
12290: if (wantarray) {
12291: return @$reply_value;
12292: }
12293: return $reply_value->[0];
12294: } else {
12295: return $reply_value;
1.927 albertel 12296: }
12297: }
12298:
1.691 raeburn 12299: sub check_group_parms {
1.1301 raeburn 12300: my ($courseid,$groups,$symbparm,$recurseparm,$mapparm,$what,$mapp,
12301: $recursed,$recurseupref) = @_;
12302: my @levels = ([$symbparm,'resource'],[$mapparm,'map'],[$recurseparm,'map'],
12303: [$what,'course']);
12304: my $coursereply;
1.691 raeburn 12305: foreach my $group (@{$groups}) {
1.1301 raeburn 12306: my @groupitems = ();
1.691 raeburn 12307: foreach my $level (@levels) {
1.927 albertel 12308: my $item = $courseid.'.['.$group.'].'.$level->[0];
12309: push(@groupitems,[$item,$level->[1]]);
1.691 raeburn 12310: }
1.1301 raeburn 12311: my $coursereply = &resdata($env{'course.'.$courseid.'.num'},
12312: $env{'course.'.$courseid.'.domain'},
12313: 'course',$mapp,$recursed,$recurseupref,
12314: $courseid,'.['.$group.'].',$what,
12315: @groupitems);
12316: last if (defined($coursereply));
1.691 raeburn 12317: }
12318: return $coursereply;
12319: }
12320:
1.1301 raeburn 12321: sub get_map_hierarchy {
1.1302 raeburn 12322: my ($mapname,$courseid) = @_;
12323: my @recurseup = ();
1.1301 raeburn 12324: if ($mapname) {
1.1302 raeburn 12325: if (($cachedmapkey eq $courseid) &&
12326: (abs($cachedmaptime-time)<5)) {
12327: if (ref($cachedmaps{$mapname}) eq 'ARRAY') {
12328: return @{$cachedmaps{$mapname}};
12329: }
12330: }
1.1301 raeburn 12331: my $navmap = Apache::lonnavmaps::navmap->new();
12332: if (ref($navmap)) {
12333: @recurseup = $navmap->recurseup_maps($mapname);
12334: undef($navmap);
1.1302 raeburn 12335: $cachedmaps{$mapname} = \@recurseup;
12336: $cachedmaptime=time;
12337: $cachedmapkey=$courseid;
1.1301 raeburn 12338: }
12339: }
12340: return @recurseup;
12341: }
12342:
1.1302 raeburn 12343: }
12344:
1.691 raeburn 12345: sub sort_course_groups { # Sort groups based on defined rankings. Default is sort().
1.733 raeburn 12346: my ($courseid,@groups) = @_;
12347: @groups = sort(@groups);
1.691 raeburn 12348: return @groups;
12349: }
12350:
1.395 albertel 12351: sub packages_tab_default {
1.1362 raeburn 12352: my ($uri,$varname,$toolsymb)=@_;
1.395 albertel 12353: my (undef,$part,$name)=split(/\./,$varname);
1.738 albertel 12354:
12355: my (@extension,@specifics,$do_default);
1.1362 raeburn 12356: foreach my $package (split(/,/,&metadata($uri,'packages',$toolsymb))) {
1.395 albertel 12357: my ($pack_type,$pack_part)=split(/_/,$package,2);
1.738 albertel 12358: if ($pack_type eq 'default') {
12359: $do_default=1;
12360: } elsif ($pack_type eq 'extension') {
12361: push(@extension,[$package,$pack_type,$pack_part]);
1.885 albertel 12362: } elsif ($pack_part eq $part || $pack_type eq 'part') {
1.848 albertel 12363: # only look at packages defaults for packages that this id is
1.738 albertel 12364: push(@specifics,[$package,$pack_type,$pack_part]);
12365: }
12366: }
12367: # first look for a package that matches the requested part id
12368: foreach my $package (@specifics) {
12369: my (undef,$pack_type,$pack_part)=@{$package};
12370: next if ($pack_part ne $part);
12371: if (defined($packagetab{"$pack_type&$name&default"})) {
12372: return $packagetab{"$pack_type&$name&default"};
12373: }
12374: }
12375: # look for any possible matching non extension_ package
12376: foreach my $package (@specifics) {
12377: my (undef,$pack_type,$pack_part)=@{$package};
1.468 albertel 12378: if (defined($packagetab{"$pack_type&$name&default"})) {
12379: return $packagetab{"$pack_type&$name&default"};
12380: }
1.585 albertel 12381: if ($pack_type eq 'part') { $pack_part='0'; }
1.468 albertel 12382: if (defined($packagetab{$pack_type."_".$pack_part."&$name&default"})) {
12383: return $packagetab{$pack_type."_".$pack_part."&$name&default"};
1.395 albertel 12384: }
12385: }
1.738 albertel 12386: # look for any posible extension_ match
12387: foreach my $package (@extension) {
12388: my ($package,$pack_type)=@{$package};
12389: if (defined($packagetab{"$pack_type&$name&default"})) {
12390: return $packagetab{"$pack_type&$name&default"};
12391: }
12392: if (defined($packagetab{$package."&$name&default"})) {
12393: return $packagetab{$package."&$name&default"};
12394: }
12395: }
12396: # look for a global default setting
12397: if ($do_default && defined($packagetab{"default&$name&default"})) {
12398: return $packagetab{"default&$name&default"};
12399: }
1.395 albertel 12400: return undef;
12401: }
12402:
1.334 albertel 12403: sub add_prefix_and_part {
12404: my ($prefix,$part)=@_;
12405: my $keyroot;
12406: if (defined($prefix) && $prefix !~ /^__/) {
12407: # prefix that has a part already
12408: $keyroot=$prefix;
12409: } elsif (defined($prefix)) {
12410: # prefix that is missing a part
12411: if (defined($part)) { $keyroot='_'.$part.substr($prefix,1); }
12412: } else {
12413: # no prefix at all
12414: if (defined($part)) { $keyroot='_'.$part; }
12415: }
12416: return $keyroot;
12417: }
12418:
1.71 www 12419: # ---------------------------------------------------------------- Get metadata
12420:
1.599 albertel 12421: my %metaentry;
1.1070 www 12422: my %importedpartids;
1.1369 raeburn 12423: my %importedrespids;
1.71 www 12424: sub metadata {
1.1362 raeburn 12425: my ($uri,$what,$toolsymb,$liburi,$prefix,$depthcount)=@_;
1.71 www 12426: $uri=&declutter($uri);
1.288 albertel 12427: # if it is a non metadata possible uri return quickly
1.529 albertel 12428: if (($uri eq '') ||
12429: (($uri =~ m|^/*adm/|) &&
1.1343 raeburn 12430: ($uri !~ m|^adm/includes|) && ($uri !~ m{/(smppg|bulletinboard|ext\.tool)$})) ||
1.1108 raeburn 12431: ($uri =~ m|/$|) || ($uri =~ m|/.meta$|) || ($uri =~ m{^/*uploaded/.+\.sequence$})) {
1.924 albertel 12432: return undef;
12433: }
1.1261 raeburn 12434: if (($uri =~ /^priv/ || $uri=~m{^home/httpd/html/priv})
1.924 albertel 12435: && &Apache::lonxml::get_state('target') =~ /^(|meta)$/) {
1.468 albertel 12436: return undef;
1.288 albertel 12437: }
1.73 www 12438: my $filename=$uri;
12439: $uri=~s/\.meta$//;
1.172 www 12440: #
12441: # Is the metadata already cached?
1.177 www 12442: # Look at timestamp of caching
1.172 www 12443: # Everything is cached by the main uri, libraries are never directly cached
12444: #
1.428 albertel 12445: if (!defined($liburi)) {
1.599 albertel 12446: my ($result,$cached)=&is_cached_new('meta',$uri);
1.428 albertel 12447: if (defined($cached)) { return $result->{':'.$what}; }
12448: }
1.1362 raeburn 12449:
12450: #
12451: # If the uri is for an external tool the file from
12452: # which metadata should be retrieved depends on whether
12453: # the tool had been configured to be gradable (set in the Course
12454: # Editor or Resource Editor).
12455: #
12456: # If a valid symb has been included as the third arg in the call
12457: # to &metadata() that can be used to retrieve the value of
12458: # parameter_0_gradable set for the resource, and included in the
12459: # uploaded map containing the tool. The value is retrieved via
12460: # &EXT(), if a valid symb is available. Otherwise the value of
12461: # gradable in the exttool_$marker.db file for the tool instance
1.1364 raeburn 12462: # is retrieved via &get().
12463: #
12464: # When lonuserstate::traceroute() calls lonnet::EXT() for
12465: # hiddenresource and encrypturl (during course initialization)
12466: # the map-level parameter for resource.0.gradable included in the
12467: # uploaded map containing the tool will not yet have been stored
12468: # in the user_course_parms.db file for the user's session, so in
12469: # this case fall back to retrieving gradable status from the
12470: # exttool_$marker.db file.
1.1362 raeburn 12471: #
12472: # In order to avoid an infinite loop, &metadata() will return
12473: # before a call to &EXT(), if the uri is for an external tool
12474: # and the $what for which metadata is being requested is
12475: # parameter_0_gradable or 0_gradable.
12476: #
12477:
12478: if ($uri =~ /ext\.tool$/) {
12479: if (($what eq 'parameter_0_gradable') || ($what eq '0_gradable')) {
12480: return;
12481: } else {
12482: my ($checked,$use_passback);
12483: if ($toolsymb ne '') {
12484: (undef,undef,my $tooluri) = &decode_symb($toolsymb);
1.1364 raeburn 12485: if (($tooluri eq $uri) && (&EXT('resource.0.gradable',$toolsymb))) {
1.1362 raeburn 12486: $checked = 1;
12487: if (&EXT('resource.0.gradable',$toolsymb) =~ /^yes$/i) {
12488: $use_passback = 1;
12489: }
12490: }
12491: }
12492: unless ($checked) {
12493: my ($ignore,$cdom,$cnum,$marker) = split(m{/},$uri);
12494: $marker=~s/\D//g;
1.1363 raeburn 12495: if ($marker) {
1.1362 raeburn 12496: my %toolsettings=&get('exttool_'.$marker,['gradable'],$cdom,$cnum);
12497: $use_passback = $toolsettings{'gradable'};
12498: }
12499: }
12500: if ($use_passback) {
12501: $filename = '/home/httpd/html/res/lib/templates/LTIpassback.tool';
12502: } else {
12503: $filename = '/home/httpd/html/res/lib/templates/LTIstandard.tool';
12504: }
12505: }
12506: }
12507:
1.428 albertel 12508: {
1.1069 www 12509: # Imported parts would go here
1.1369 raeburn 12510: my @origfiletagids=();
1.1069 www 12511: my $importedparts=0;
1.1369 raeburn 12512:
12513: # Imported responseids would go here
12514: my $importedresponses=0;
1.172 www 12515: #
12516: # Is this a recursive call for a library?
12517: #
1.599 albertel 12518: # if (! exists($metacache{$uri})) {
12519: # $metacache{$uri}={};
12520: # }
1.924 albertel 12521: my $cachetime = 60*60;
1.171 www 12522: if ($liburi) {
12523: $liburi=&declutter($liburi);
12524: $filename=$liburi;
1.401 bowersj2 12525: } else {
1.599 albertel 12526: &devalidate_cache_new('meta',$uri);
12527: undef(%metaentry);
1.401 bowersj2 12528: }
1.140 www 12529: my %metathesekeys=();
1.73 www 12530: unless ($filename=~/\.meta$/) { $filename.='.meta'; }
1.489 albertel 12531: my $metastring;
1.1140 www 12532: if ($uri =~ /^priv/ || $uri=~/home\/httpd\/html\/priv/) {
1.929 albertel 12533: my $which = &hreflocation('','/'.($liburi || $uri));
1.924 albertel 12534: $metastring =
1.929 albertel 12535: &Apache::lonnet::ssi_body($which,
1.924 albertel 12536: ('grade_target' => 'meta'));
12537: $cachetime = 1; # only want this cached in the child not long term
1.1108 raeburn 12538: } elsif (($uri !~ m -^(editupload)/-) &&
12539: ($uri !~ m{^/*uploaded/$match_domain/$match_courseid/docs/})) {
1.543 albertel 12540: my $file=&filelocation('',&clutter($filename));
1.599 albertel 12541: #push(@{$metaentry{$uri.'.file'}},$file);
1.543 albertel 12542: $metastring=&getfile($file);
1.489 albertel 12543: }
1.208 albertel 12544: my $parser=HTML::LCParser->new(\$metastring);
1.71 www 12545: my $token;
1.140 www 12546: undef %metathesekeys;
1.71 www 12547: while ($token=$parser->get_token) {
1.339 albertel 12548: if ($token->[0] eq 'S') {
12549: if (defined($token->[2]->{'package'})) {
1.172 www 12550: #
12551: # This is a package - get package info
12552: #
1.339 albertel 12553: my $package=$token->[2]->{'package'};
12554: my $keyroot=&add_prefix_and_part($prefix,$token->[2]->{'part'});
12555: if (defined($token->[2]->{'id'})) {
12556: $keyroot.='_'.$token->[2]->{'id'};
12557: }
1.599 albertel 12558: if ($metaentry{':packages'}) {
12559: $metaentry{':packages'}.=','.$package.$keyroot;
1.339 albertel 12560: } else {
1.599 albertel 12561: $metaentry{':packages'}=$package.$keyroot;
1.339 albertel 12562: }
1.736 albertel 12563: foreach my $pack_entry (keys(%packagetab)) {
1.432 albertel 12564: my $part=$keyroot;
12565: $part=~s/^\_//;
1.736 albertel 12566: if ($pack_entry=~/^\Q$package\E\&/ ||
12567: $pack_entry=~/^\Q$package\E_0\&/) {
12568: my ($pack,$name,$subp)=split(/\&/,$pack_entry);
1.395 albertel 12569: # ignore package.tab specified default values
12570: # here &package_tab_default() will fetch those
12571: if ($subp eq 'default') { next; }
1.736 albertel 12572: my $value=$packagetab{$pack_entry};
1.432 albertel 12573: my $unikey;
12574: if ($pack =~ /_0$/) {
12575: $unikey='parameter_0_'.$name;
12576: $part=0;
12577: } else {
12578: $unikey='parameter'.$keyroot.'_'.$name;
12579: }
1.339 albertel 12580: if ($subp eq 'display') {
12581: $value.=' [Part: '.$part.']';
12582: }
1.599 albertel 12583: $metaentry{':'.$unikey.'.part'}=$part;
1.395 albertel 12584: $metathesekeys{$unikey}=1;
1.599 albertel 12585: unless (defined($metaentry{':'.$unikey.'.'.$subp})) {
12586: $metaentry{':'.$unikey.'.'.$subp}=$value;
1.339 albertel 12587: }
1.599 albertel 12588: if (defined($metaentry{':'.$unikey.'.default'})) {
12589: $metaentry{':'.$unikey}=
12590: $metaentry{':'.$unikey.'.default'};
1.356 albertel 12591: }
1.339 albertel 12592: }
12593: }
12594: } else {
1.172 www 12595: #
12596: # This is not a package - some other kind of start tag
1.339 albertel 12597: #
12598: my $entry=$token->[1];
1.1068 www 12599: my $unikey='';
1.175 www 12600:
1.339 albertel 12601: if ($entry eq 'import') {
1.175 www 12602: #
12603: # Importing a library here
1.339 albertel 12604: #
1.1067 www 12605: my $location=$parser->get_text('/import');
12606: my $dir=$filename;
12607: $dir=~s|[^/]*$||;
12608: $location=&filelocation($dir,$location);
1.1369 raeburn 12609:
12610: my $importid=$token->[2]->{'id'};
1.1068 www 12611: my $importmode=$token->[2]->{'importmode'};
1.1369 raeburn 12612: #
12613: # Check metadata for imported file to
12614: # see if it contained response items
12615: #
1.1372 raeburn 12616: my ($origfile,@libfilekeys);
1.1370 raeburn 12617: my %currmetaentry = %metaentry;
1.1372 raeburn 12618: @libfilekeys = split(/,/,&metadata($location,'keys',undef,undef,undef,
12619: $depthcount+1));
12620: if (grep(/^responseorder$/,@libfilekeys)) {
12621: my $libresponseorder = &metadata($location,'responseorder',undef,undef,
12622: undef,$depthcount+1);
12623: if ($libresponseorder ne '') {
12624: if ($#origfiletagids<0) {
12625: undef(%importedrespids);
12626: undef(%importedpartids);
12627: }
1.1373 raeburn 12628: my @respids = split(/\s*,\s*/,$libresponseorder);
12629: if (@respids) {
12630: $importedrespids{$importid} = join(',',map { $importid.'_'.$_ } @respids);
12631: }
12632: if ($importedrespids{$importid} ne '') {
1.1372 raeburn 12633: $importedresponses = 1;
1.1369 raeburn 12634: # We need to get the original file and the imported file to get the response order correct
12635: # Load and inspect original file
1.1372 raeburn 12636: if ($#origfiletagids<0) {
12637: my $origfilelocation=$perlvar{'lonDocRoot'}.&clutter($uri);
12638: $origfile=&getfile($origfilelocation);
12639: @origfiletagids=($origfile=~/<((?:\w+)response|import|part)[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs);
12640: }
1.1369 raeburn 12641: }
12642: }
12643: }
1.1370 raeburn 12644: # Do not overwrite contents of %metaentry hash for resource itself with
12645: # hash populated for imported library file
12646: %metaentry = %currmetaentry;
12647: undef(%currmetaentry);
1.1374 raeburn 12648: if ($importmode eq 'part') {
1.1068 www 12649: # Import as part(s)
1.1069 www 12650: $importedparts=1;
12651: # We need to get the original file and the imported file to get the part order correct
12652: # Good news: we do not need to worry about nested libraries, since parts cannot be nested
1.1369 raeburn 12653: # Load and inspect original file if we didn't do that already
12654: if ($#origfiletagids<0) {
12655: undef(%importedrespids);
12656: undef(%importedpartids);
12657: if ($origfile eq '') {
12658: my $origfilelocation=$perlvar{'lonDocRoot'}.&clutter($uri);
12659: $origfile=&getfile($origfilelocation);
12660: @origfiletagids=($origfile=~/<(part|import)[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs);
12661: }
1.1070 www 12662: }
1.1372 raeburn 12663: my @impfilepartids;
12664: # If <partorder> tag is included in metadata for the imported file
12665: # get the parts in the imported file from that.
12666: if (grep(/^partorder$/,@libfilekeys)) {
12667: %currmetaentry = %metaentry;
12668: my $libpartorder = &metadata($location,'partorder',undef,undef,undef,
12669: $depthcount+1);
12670: %metaentry = %currmetaentry;
12671: undef(%currmetaentry);
12672: if ($libpartorder ne '') {
12673: @impfilepartids=split(/\s*,\s*/,$libpartorder);
12674: }
12675: } else {
12676: # If no <partorder> tag available, load and inspect imported file
12677: my $impfile=&getfile($location);
12678: @impfilepartids=($impfile=~/<part[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs);
12679: }
1.1069 www 12680: if ($#impfilepartids>=0) {
12681: # This problem had parts
1.1070 www 12682: $importedpartids{$token->[2]->{'id'}}=join(',',@impfilepartids);
1.1069 www 12683: } else {
12684: # Importing by turning a single problem into a problem part
12685: # It gets the import-tags ID as part-ID
12686: $unikey=&add_prefix_and_part($prefix,$token->[2]->{'id'});
1.1070 www 12687: $importedpartids{$token->[2]->{'id'}}=$token->[2]->{'id'};
1.1069 www 12688: }
1.1068 www 12689: } else {
1.1374 raeburn 12690: # Import as problem or as normal import
12691: $unikey=&add_prefix_and_part($prefix,$token->[2]->{'part'});
12692: unless ($importmode eq 'problem') {
1.1068 www 12693: # Normal import
1.1374 raeburn 12694: if (defined($token->[2]->{'id'})) {
12695: $unikey.='_'.$token->[2]->{'id'};
12696: }
12697: }
12698: # Check metadata for imported file to
12699: # see if it contained parts
12700: if (grep(/^partorder$/,@libfilekeys)) {
12701: %currmetaentry = %metaentry;
12702: my $libpartorder = &metadata($location,'partorder',undef,undef,undef,
12703: $depthcount+1);
12704: %metaentry = %currmetaentry;
12705: undef(%currmetaentry);
12706: if ($libpartorder ne '') {
12707: $importedparts = 1;
12708: $importedpartids{$token->[2]->{'id'}}=$libpartorder;
12709: }
12710: }
1.1067 www 12711: }
1.339 albertel 12712: if ($depthcount<20) {
1.736 albertel 12713: my $metadata =
1.1362 raeburn 12714: &metadata($uri,'keys',$toolsymb,$location,$unikey,
1.736 albertel 12715: $depthcount+1);
12716: foreach my $meta (split(',',$metadata)) {
12717: $metaentry{':'.$meta}=$metaentry{':'.$meta};
12718: $metathesekeys{$meta}=1;
1.339 albertel 12719: }
1.1068 www 12720: }
1.1067 www 12721: } else {
12722: #
12723: # Not importing, some other kind of non-package, non-library start tag
12724: #
12725: $unikey=$entry.&add_prefix_and_part($prefix,$token->[2]->{'part'});
12726: if (defined($token->[2]->{'id'})) {
12727: $unikey.='_'.$token->[2]->{'id'};
12728: }
1.339 albertel 12729: if (defined($token->[2]->{'name'})) {
12730: $unikey.='_'.$token->[2]->{'name'};
12731: }
12732: $metathesekeys{$unikey}=1;
1.736 albertel 12733: foreach my $param (@{$token->[3]}) {
12734: $metaentry{':'.$unikey.'.'.$param} =
12735: $token->[2]->{$param};
1.339 albertel 12736: }
12737: my $internaltext=&HTML::Entities::decode($parser->get_text('/'.$entry));
1.599 albertel 12738: my $default=$metaentry{':'.$unikey.'.default'};
1.339 albertel 12739: if ( $internaltext =~ /^\s*$/ && $default !~ /^\s*$/) {
12740: # only ws inside the tag, and not in default, so use default
12741: # as value
1.599 albertel 12742: $metaentry{':'.$unikey}=$default;
1.908 albertel 12743: } elsif ( $internaltext =~ /\S/ ) {
12744: # something interesting inside the tag
12745: $metaentry{':'.$unikey}=$internaltext;
1.339 albertel 12746: } else {
1.908 albertel 12747: # no interesting values, don't set a default
1.339 albertel 12748: }
1.172 www 12749: # end of not-a-package not-a-library import
1.339 albertel 12750: }
1.172 www 12751: # end of not-a-package start tag
1.339 albertel 12752: }
1.172 www 12753: # the next is the end of "start tag"
1.339 albertel 12754: }
12755: }
1.483 albertel 12756: my ($extension) = ($uri =~ /\.(\w+)$/);
1.883 albertel 12757: $extension = lc($extension);
12758: if ($extension eq 'htm') { $extension='html'; }
12759:
1.737 albertel 12760: foreach my $key (keys(%packagetab)) {
1.483 albertel 12761: #no specific packages #how's our extension
12762: if ($key!~/^extension_\Q$extension\E&/) { next; }
1.488 albertel 12763: &metadata_create_package_def($uri,$key,'extension_'.$extension,
1.483 albertel 12764: \%metathesekeys);
12765: }
1.883 albertel 12766:
12767: if (!exists($metaentry{':packages'})
12768: || $packagetab{"import_defaults&extension_$extension"}) {
1.737 albertel 12769: foreach my $key (keys(%packagetab)) {
1.483 albertel 12770: #no specific packages well let's get default then
12771: if ($key!~/^default&/) { next; }
1.488 albertel 12772: &metadata_create_package_def($uri,$key,'default',
1.483 albertel 12773: \%metathesekeys);
12774: }
12775: }
1.338 www 12776: # are there custom rights to evaluate
1.599 albertel 12777: if ($metaentry{':copyright'} eq 'custom') {
1.339 albertel 12778:
1.338 www 12779: #
12780: # Importing a rights file here
1.339 albertel 12781: #
12782: unless ($depthcount) {
1.599 albertel 12783: my $location=$metaentry{':customdistributionfile'};
1.339 albertel 12784: my $dir=$filename;
12785: $dir=~s|[^/]*$||;
12786: $location=&filelocation($dir,$location);
1.736 albertel 12787: my $rights_metadata =
1.1362 raeburn 12788: &metadata($uri,'keys',$toolsymb,$location,'_rights',
1.736 albertel 12789: $depthcount+1);
12790: foreach my $rights (split(',',$rights_metadata)) {
12791: #$metaentry{':'.$rights}=$metacache{$uri}->{':'.$rights};
12792: $metathesekeys{$rights}=1;
1.339 albertel 12793: }
12794: }
12795: }
1.737 albertel 12796: # uniqifiy package listing
12797: my %seen;
12798: my @uniq_packages =
12799: grep { ! $seen{$_} ++ } (split(',',$metaentry{':packages'}));
12800: $metaentry{':packages'} = join(',',@uniq_packages);
12801:
1.1369 raeburn 12802: if (($importedresponses) || ($importedparts)) {
12803: if ($importedparts) {
1.1070 www 12804: # We had imported parts and need to rebuild partorder
1.1369 raeburn 12805: $metaentry{':partorder'}='';
12806: $metathesekeys{'partorder'}=1;
12807: }
12808: if ($importedresponses) {
12809: # We had imported responses and need to rebuil responseorder
12810: $metaentry{':responseorder'}='';
12811: $metathesekeys{'responseorder'}=1;
12812: }
12813: for (my $index=0;$index<$#origfiletagids;$index+=2) {
12814: my $origid = $origfiletagids[$index+1];
12815: if ($origfiletagids[$index] eq 'part') {
12816: # Original part, part of the problem
12817: if ($importedparts) {
12818: $metaentry{':partorder'}.=','.$origid;
12819: }
12820: } elsif ($origfiletagids[$index] eq 'import') {
12821: if ($importedparts) {
12822: # We have imported parts at this position
1.1373 raeburn 12823: if ($importedpartids{$origid} ne '') {
12824: $metaentry{':partorder'}.=','.$importedpartids{$origid};
12825: }
1.1369 raeburn 12826: }
12827: if ($importedresponses) {
12828: # We have imported responses at this position
1.1373 raeburn 12829: if ($importedrespids{$origid} ne '') {
12830: $metaentry{':responseorder'}.=','.$importedrespids{$origid};
1.1369 raeburn 12831: }
12832: }
12833: } else {
12834: # Original response item, part of the problem
12835: if ($importedresponses) {
12836: $metaentry{':responseorder'}.=','.$origid;
12837: }
12838: }
12839: }
12840: if ($importedparts) {
12841: $metaentry{':partorder'}=~s/^\,//;
12842: }
12843: if ($importedresponses) {
12844: $metaentry{':responseorder'}=~s/^\,//;
12845: }
1.1070 www 12846: }
1.737 albertel 12847: $metaentry{':keys'} = join(',',keys(%metathesekeys));
1.599 albertel 12848: &metadata_generate_part0(\%metathesekeys,\%metaentry,$uri);
1.1274 raeburn 12849: $metaentry{':allpossiblekeys'}=join(',',keys(%metathesekeys));
1.1371 raeburn 12850: unless ($liburi) {
12851: &do_cache_new('meta',$uri,\%metaentry,$cachetime);
12852: }
1.177 www 12853: # this is the end of "was not already recently cached
1.71 www 12854: }
1.599 albertel 12855: return $metaentry{':'.$what};
1.261 albertel 12856: }
12857:
1.488 albertel 12858: sub metadata_create_package_def {
1.483 albertel 12859: my ($uri,$key,$package,$metathesekeys)=@_;
12860: my ($pack,$name,$subp)=split(/\&/,$key);
12861: if ($subp eq 'default') { next; }
12862:
1.599 albertel 12863: if (defined($metaentry{':packages'})) {
12864: $metaentry{':packages'}.=','.$package;
1.483 albertel 12865: } else {
1.599 albertel 12866: $metaentry{':packages'}=$package;
1.483 albertel 12867: }
12868: my $value=$packagetab{$key};
12869: my $unikey;
12870: $unikey='parameter_0_'.$name;
1.599 albertel 12871: $metaentry{':'.$unikey.'.part'}=0;
1.483 albertel 12872: $$metathesekeys{$unikey}=1;
1.599 albertel 12873: unless (defined($metaentry{':'.$unikey.'.'.$subp})) {
12874: $metaentry{':'.$unikey.'.'.$subp}=$value;
1.483 albertel 12875: }
1.599 albertel 12876: if (defined($metaentry{':'.$unikey.'.default'})) {
12877: $metaentry{':'.$unikey}=
12878: $metaentry{':'.$unikey.'.default'};
1.483 albertel 12879: }
12880: }
12881:
1.261 albertel 12882: sub metadata_generate_part0 {
12883: my ($metadata,$metacache,$uri) = @_;
12884: my %allnames;
1.737 albertel 12885: foreach my $metakey (keys(%$metadata)) {
1.261 albertel 12886: if ($metakey=~/^parameter\_(.*)/) {
1.428 albertel 12887: my $part=$$metacache{':'.$metakey.'.part'};
12888: my $name=$$metacache{':'.$metakey.'.name'};
1.356 albertel 12889: if (! exists($$metadata{'parameter_0_'.$name.'.name'})) {
1.261 albertel 12890: $allnames{$name}=$part;
12891: }
12892: }
12893: }
12894: foreach my $name (keys(%allnames)) {
12895: $$metadata{"parameter_0_$name"}=1;
1.428 albertel 12896: my $key=":parameter_0_$name";
1.261 albertel 12897: $$metacache{"$key.part"}='0';
12898: $$metacache{"$key.name"}=$name;
1.428 albertel 12899: $$metacache{"$key.type"}=$$metacache{':parameter_'.
1.261 albertel 12900: $allnames{$name}.'_'.$name.
12901: '.type'};
1.428 albertel 12902: my $olddis=$$metacache{':parameter_'.$allnames{$name}.'_'.$name.
1.261 albertel 12903: '.display'};
1.644 www 12904: my $expr='[Part: '.$allnames{$name}.']';
1.479 albertel 12905: $olddis=~s/\Q$expr\E/\[Part: 0\]/;
1.261 albertel 12906: $$metacache{"$key.display"}=$olddis;
12907: }
1.71 www 12908: }
12909:
1.764 albertel 12910: # ------------------------------------------------------ Devalidate title cache
12911:
12912: sub devalidate_title_cache {
12913: my ($url)=@_;
12914: if (!$env{'request.course.id'}) { return; }
12915: my $symb=&symbread($url);
12916: if (!$symb) { return; }
12917: my $key=$env{'request.course.id'}."\0".$symb;
12918: &devalidate_cache_new('title',$key);
12919: }
12920:
1.1014 droeschl 12921: # ------------------------------------------------- Get the title of a course
12922:
12923: sub current_course_title {
12924: return $env{ 'course.' . $env{'request.course.id'} . '.description' };
12925: }
1.301 www 12926: # ------------------------------------------------- Get the title of a resource
12927:
12928: sub gettitle {
12929: my $urlsymb=shift;
12930: my $symb=&symbread($urlsymb);
1.534 albertel 12931: if ($symb) {
1.620 albertel 12932: my $key=$env{'request.course.id'}."\0".$symb;
1.599 albertel 12933: my ($result,$cached)=&is_cached_new('title',$key);
1.575 albertel 12934: if (defined($cached)) {
12935: return $result;
12936: }
1.534 albertel 12937: my ($map,$resid,$url)=&decode_symb($symb);
12938: my $title='';
1.907 albertel 12939: if (!$map && $resid == 0 && $url =~/default\.sequence$/) {
12940: $title = $env{'course.'.$env{'request.course.id'}.'.description'};
12941: } else {
12942: if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
12943: &GDBM_READER(),0640)) {
12944: my $mapid=$bighash{'map_pc_'.&clutter($map)};
12945: $title=$bighash{'title_'.$mapid.'.'.$resid};
12946: untie(%bighash);
12947: }
1.534 albertel 12948: }
12949: $title=~s/\&colon\;/\:/gs;
12950: if ($title) {
1.1159 www 12951: # Remember both $symb and $title for dynamic metadata
12952: $accesshash{$symb.'___crstitle'}=$title;
1.1161 www 12953: $accesshash{&declutter($map).'___'.&declutter($url).'___usage'}=time;
1.1159 www 12954: # Cache this title and then return it
1.599 albertel 12955: return &do_cache_new('title',$key,$title,600);
1.534 albertel 12956: }
12957: $urlsymb=$url;
12958: }
12959: my $title=&metadata($urlsymb,'title');
12960: if (!$title) { $title=(split('/',$urlsymb))[-1]; }
12961: return $title;
1.301 www 12962: }
1.613 albertel 12963:
1.614 albertel 12964: sub get_slot {
12965: my ($which,$cnum,$cdom)=@_;
12966: if (!$cnum || !$cdom) {
1.790 albertel 12967: (undef,my $courseid)=&whichuser();
1.620 albertel 12968: $cdom=$env{'course.'.$courseid.'.domain'};
12969: $cnum=$env{'course.'.$courseid.'.num'};
1.614 albertel 12970: }
1.703 albertel 12971: my $key=join("\0",'slots',$cdom,$cnum,$which);
12972: my %slotinfo;
12973: if (exists($remembered{$key})) {
12974: $slotinfo{$which} = $remembered{$key};
12975: } else {
12976: %slotinfo=&get('slots',[$which],$cdom,$cnum);
12977: &Apache::lonhomework::showhash(%slotinfo);
12978: my ($tmp)=keys(%slotinfo);
12979: if ($tmp=~/^error:/) { return (); }
12980: $remembered{$key} = $slotinfo{$which};
12981: }
1.616 albertel 12982: if (ref($slotinfo{$which}) eq 'HASH') {
12983: return %{$slotinfo{$which}};
12984: }
12985: return $slotinfo{$which};
1.614 albertel 12986: }
1.1150 raeburn 12987:
12988: sub get_reservable_slots {
12989: my ($cnum,$cdom,$uname,$udom) = @_;
12990: my $now = time;
12991: my $reservable_info;
12992: my $key=join("\0",'reservableslots',$cdom,$cnum,$uname,$udom);
12993: if (exists($remembered{$key})) {
12994: $reservable_info = $remembered{$key};
12995: } else {
12996: my %resv;
12997: ($resv{'now_order'},$resv{'now'},$resv{'future_order'},$resv{'future'}) =
12998: &Apache::loncommon::get_future_slots($cnum,$cdom,$now);
12999: $reservable_info = \%resv;
13000: $remembered{$key} = $reservable_info;
13001: }
13002: return $reservable_info;
13003: }
13004:
13005: sub get_course_slots {
13006: my ($cnum,$cdom) = @_;
13007: my $hashid=$cnum.':'.$cdom;
13008: my ($result,$cached) = &Apache::lonnet::is_cached_new('allslots',$hashid);
13009: if (defined($cached)) {
13010: if (ref($result) eq 'HASH') {
13011: return %{$result};
13012: }
13013: } else {
13014: my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
13015: my ($tmp) = keys(%slots);
13016: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
1.1219 raeburn 13017: &do_cache_new('allslots',$hashid,\%slots,600);
1.1150 raeburn 13018: return %slots;
13019: }
13020: }
13021: return;
13022: }
13023:
13024: sub devalidate_slots_cache {
13025: my ($cnum,$cdom)=@_;
13026: my $hashid=$cnum.':'.$cdom;
13027: &devalidate_cache_new('allslots',$hashid);
13028: }
13029:
1.1181 raeburn 13030: sub get_coursechange {
13031: my ($cdom,$cnum) = @_;
13032: if ($cdom eq '' || $cnum eq '') {
13033: return unless ($env{'request.course.id'});
13034: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
13035: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
13036: }
13037: my $hashid=$cdom.'_'.$cnum;
13038: my ($change,$cached)=&is_cached_new('crschange',$hashid);
13039: if ((defined($cached)) && ($change ne '')) {
13040: return $change;
13041: } else {
13042: my %crshash;
13043: %crshash = &get('environment',['internal.contentchange'],$cdom,$cnum);
13044: if ($crshash{'internal.contentchange'} eq '') {
13045: $change = $env{'course.'.$cdom.'_'.$cnum.'.internal.created'};
13046: if ($change eq '') {
13047: %crshash = &get('environment',['internal.created'],$cdom,$cnum);
13048: $change = $crshash{'internal.created'};
13049: }
13050: } else {
13051: $change = $crshash{'internal.contentchange'};
13052: }
13053: my $cachetime = 600;
13054: &do_cache_new('crschange',$hashid,$change,$cachetime);
13055: }
13056: return $change;
13057: }
13058:
13059: sub devalidate_coursechange_cache {
13060: my ($cnum,$cdom)=@_;
13061: my $hashid=$cnum.':'.$cdom;
13062: &devalidate_cache_new('crschange',$hashid);
13063: }
13064:
1.31 www 13065: # ------------------------------------------------- Update symbolic store links
13066:
13067: sub symblist {
13068: my ($mapname,%newhash)=@_;
1.438 www 13069: $mapname=&deversion(&declutter($mapname));
1.31 www 13070: my %hash;
1.620 albertel 13071: if (($env{'request.course.fn'}) && (%newhash)) {
13072: if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
1.256 albertel 13073: &GDBM_WRCREAT(),0640)) {
1.1000 raeburn 13074: foreach my $url (keys(%newhash)) {
1.711 albertel 13075: next if ($url eq 'last_known'
13076: && $env{'form.no_update_last_known'});
13077: $hash{declutter($url)}=&encode_symb($mapname,
13078: $newhash{$url}->[1],
13079: $newhash{$url}->[0]);
1.191 harris41 13080: }
1.31 www 13081: if (untie(%hash)) {
13082: return 'ok';
13083: }
13084: }
13085: }
13086: return 'error';
1.212 www 13087: }
13088:
13089: # --------------------------------------------------------------- Verify a symb
13090:
13091: sub symbverify {
1.1190 raeburn 13092: my ($symb,$thisurl,$encstate)=@_;
1.510 www 13093: my $thisfn=$thisurl;
1.439 www 13094: $thisfn=&declutter($thisfn);
1.215 www 13095: # direct jump to resource in page or to a sequence - will construct own symbs
13096: if ($thisfn=~/\.(page|sequence)$/) { return 1; }
13097: # check URL part
1.409 www 13098: my ($map,$resid,$url)=&decode_symb($symb);
1.439 www 13099:
1.431 www 13100: unless ($url eq $thisfn) { return 0; }
1.213 www 13101:
1.216 www 13102: $symb=&symbclean($symb);
1.510 www 13103: $thisurl=&deversion($thisurl);
1.439 www 13104: $thisfn=&deversion($thisfn);
1.213 www 13105:
13106: my %bighash;
13107: my $okay=0;
1.431 www 13108:
1.620 albertel 13109: if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
1.256 albertel 13110: &GDBM_READER(),0640)) {
1.1204 raeburn 13111: my $noclutter;
1.1032 raeburn 13112: if (($thisurl =~ m{^/adm/wrapper/ext/}) || ($thisurl =~ m{^ext/})) {
13113: $thisurl =~ s/\?.+$//;
1.1204 raeburn 13114: if ($map =~ m{^uploaded/.+\.page$}) {
13115: $thisurl =~ s{^(/adm/wrapper|)/ext/}{http://};
13116: $thisurl =~ s{^\Qhttp://https://\E}{https://};
13117: $noclutter = 1;
13118: }
13119: }
13120: my $ids;
13121: if ($noclutter) {
13122: $ids=$bighash{'ids_'.$thisurl};
13123: } else {
13124: $ids=$bighash{'ids_'.&clutter($thisurl)};
1.1032 raeburn 13125: }
1.1102 raeburn 13126: unless ($ids) {
13127: my $idkey = 'ids_'.($thisurl =~ m{^/}? '' : '/').$thisurl;
13128: $ids=$bighash{$idkey};
1.216 www 13129: }
13130: if ($ids) {
13131: # ------------------------------------------------------------------- Has ID(s)
1.1202 raeburn 13132: if ($thisfn =~ m{^/adm/wrapper/ext/}) {
1.1203 raeburn 13133: $symb =~ s/\?.+$//;
1.1202 raeburn 13134: }
1.800 albertel 13135: foreach my $id (split(/\,/,$ids)) {
13136: my ($mapid,$resid)=split(/\./,$id);
1.216 www 13137: if (
13138: &symbclean(&declutter($bighash{'map_id_'.$mapid}).'___'.$resid.'___'.$thisfn)
1.1190 raeburn 13139: eq $symb) {
13140: if (ref($encstate)) {
13141: $$encstate = $bighash{'encrypted_'.$id};
13142: }
1.620 albertel 13143: if (($env{'request.role.adv'}) ||
1.1101 raeburn 13144: ($bighash{'encrypted_'.$id} eq $env{'request.enc'}) ||
13145: ($thisurl eq '/adm/navmaps')) {
1.1190 raeburn 13146: $okay=1;
1.1202 raeburn 13147: last;
1.582 albertel 13148: }
13149: }
1.216 www 13150: }
13151: }
1.213 www 13152: untie(%bighash);
13153: }
13154: return $okay;
1.31 www 13155: }
13156:
1.210 www 13157: # --------------------------------------------------------------- Clean-up symb
13158:
13159: sub symbclean {
13160: my $symb=shift;
1.568 albertel 13161: if ($symb=~m|^/enc/|) { $symb=&Apache::lonenc::unencrypted($symb); }
1.210 www 13162: # remove version from map
13163: $symb=~s/\.(\d+)\.(\w+)\_\_\_/\.$2\_\_\_/;
1.215 www 13164:
1.210 www 13165: # remove version from URL
13166: $symb=~s/\.(\d+)\.(\w+)$/\.$2/;
1.213 www 13167:
1.507 www 13168: # remove wrapper
13169:
1.510 www 13170: $symb=~s/(\_\_\_\d+\_\_\_)adm\/wrapper\/(res\/)*/$1/;
1.694 albertel 13171: $symb=~s/(\_\_\_\d+\_\_\_)adm\/coursedocs\/showdoc\/(res\/)*/$1/;
1.210 www 13172: return $symb;
1.409 www 13173: }
13174:
13175: # ---------------------------------------------- Split symb to find map and url
1.429 albertel 13176:
13177: sub encode_symb {
13178: my ($map,$resid,$url)=@_;
13179: return &symbclean(&declutter($map).'___'.$resid.'___'.&declutter($url));
13180: }
1.409 www 13181:
13182: sub decode_symb {
1.568 albertel 13183: my $symb=shift;
13184: if ($symb=~m|^/enc/|) { $symb=&Apache::lonenc::unencrypted($symb); }
13185: my ($map,$resid,$url)=split(/___/,$symb);
1.413 www 13186: return (&fixversion($map),$resid,&fixversion($url));
13187: }
13188:
13189: sub fixversion {
13190: my $fn=shift;
1.609 banghart 13191: if ($fn=~/^(adm|uploaded|editupload|public)/) { return $fn; }
1.435 www 13192: my %bighash;
13193: my $uri=&clutter($fn);
1.620 albertel 13194: my $key=$env{'request.course.id'}.'_'.$uri;
1.440 www 13195: # is this cached?
1.599 albertel 13196: my ($result,$cached)=&is_cached_new('courseresversion',$key);
1.440 www 13197: if (defined($cached)) { return $result; }
13198: # unfortunately not cached, or expired
1.620 albertel 13199: if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
1.440 www 13200: &GDBM_READER(),0640)) {
13201: if ($bighash{'version_'.$uri}) {
13202: my $version=$bighash{'version_'.$uri};
1.444 www 13203: unless (($version eq 'mostrecent') ||
13204: ($version==&getversion($uri))) {
1.440 www 13205: $uri=~s/\.(\w+)$/\.$version\.$1/;
13206: }
13207: }
13208: untie %bighash;
1.413 www 13209: }
1.599 albertel 13210: return &do_cache_new('courseresversion',$key,&declutter($uri),600);
1.438 www 13211: }
13212:
13213: sub deversion {
13214: my $url=shift;
13215: $url=~s/\.\d+\.(\w+)$/\.$1/;
13216: return $url;
1.210 www 13217: }
13218:
1.31 www 13219: # ------------------------------------------------------ Return symb list entry
13220:
13221: sub symbread {
1.1282 raeburn 13222: my ($thisfn,$donotrecurse,$ignorecachednull,$checkforblock,$possibles)=@_;
1.1265 raeburn 13223: my $cache_str='request.symbread.cached.'.$thisfn;
1.1282 raeburn 13224: if (defined($env{$cache_str})) {
13225: if ($ignorecachednull) {
13226: return $env{$cache_str} unless ($env{$cache_str} eq '');
13227: } else {
13228: return $env{$cache_str};
13229: }
13230: }
1.242 www 13231: # no filename provided? try from environment
1.1265 raeburn 13232: unless ($thisfn) {
1.620 albertel 13233: if ($env{'request.symb'}) {
13234: return $env{$cache_str}=&symbclean($env{'request.symb'});
1.539 albertel 13235: }
1.620 albertel 13236: $thisfn=$env{'request.filename'};
1.44 www 13237: }
1.569 albertel 13238: if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); }
1.242 www 13239: # is that filename actually a symb? Verify, clean, and return
13240: if ($thisfn=~/\_\_\_\d+\_\_\_(.*)$/) {
1.539 albertel 13241: if (&symbverify($thisfn,$1)) {
1.620 albertel 13242: return $env{$cache_str}=&symbclean($thisfn);
1.539 albertel 13243: }
1.242 www 13244: }
1.44 www 13245: $thisfn=declutter($thisfn);
1.31 www 13246: my %hash;
1.37 www 13247: my %bighash;
13248: my $syval='';
1.620 albertel 13249: if (($env{'request.course.fn'}) && ($thisfn)) {
1.481 raeburn 13250: my $targetfn = $thisfn;
1.609 banghart 13251: if ( ($thisfn =~ m/^(uploaded|editupload)\//) && ($thisfn !~ m/\.(page|sequence)$/) ) {
1.481 raeburn 13252: $targetfn = 'adm/wrapper/'.$thisfn;
13253: }
1.687 albertel 13254: if ($targetfn =~ m|^adm/wrapper/(ext/.*)|) {
13255: $targetfn=$1;
13256: }
1.620 albertel 13257: if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
1.256 albertel 13258: &GDBM_READER(),0640)) {
1.481 raeburn 13259: $syval=$hash{$targetfn};
1.37 www 13260: untie(%hash);
13261: }
13262: # ---------------------------------------------------------- There was an entry
13263: if ($syval) {
1.601 albertel 13264: #unless ($syval=~/\_\d+$/) {
1.620 albertel 13265: #unless ($env{'form.request.prefix'}=~/\.(\d+)\_$/) {
1.949 raeburn 13266: #&appenv({'request.ambiguous' => $thisfn});
1.620 albertel 13267: #return $env{$cache_str}='';
1.601 albertel 13268: #}
13269: #$syval.=$1;
13270: #}
1.37 www 13271: } else {
13272: # ------------------------------------------------------- Was not in symb table
1.620 albertel 13273: if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
1.256 albertel 13274: &GDBM_READER(),0640)) {
1.37 www 13275: # ---------------------------------------------- Get ID(s) for current resource
1.280 www 13276: my $ids=$bighash{'ids_'.&clutter($thisfn)};
1.65 www 13277: unless ($ids) {
13278: $ids=$bighash{'ids_/'.$thisfn};
1.242 www 13279: }
13280: unless ($ids) {
13281: # alias?
13282: $ids=$bighash{'mapalias_'.$thisfn};
1.65 www 13283: }
1.37 www 13284: if ($ids) {
13285: # ------------------------------------------------------------------- Has ID(s)
13286: my @possibilities=split(/\,/,$ids);
1.39 www 13287: if ($#possibilities==0) {
13288: # ----------------------------------------------- There is only one possibility
1.37 www 13289: my ($mapid,$resid)=split(/\./,$ids);
1.626 albertel 13290: $syval=&encode_symb($bighash{'map_id_'.$mapid},
13291: $resid,$thisfn);
1.1282 raeburn 13292: if (ref($possibles) eq 'HASH') {
13293: $possibles->{$syval} = 1;
13294: }
13295: if ($checkforblock) {
13296: my @blockers = &has_comm_blocking('bre',$syval,$bighash{'src_'.$ids});
13297: if (@blockers) {
13298: $syval = '';
13299: return;
13300: }
13301: }
13302: } elsif ((!$donotrecurse) || ($checkforblock) || (ref($possibles) eq 'HASH')) {
1.39 www 13303: # ------------------------------------------ There is more than one possibility
13304: my $realpossible=0;
1.800 albertel 13305: foreach my $id (@possibilities) {
13306: my $file=$bighash{'src_'.$id};
1.1282 raeburn 13307: my $canaccess;
13308: if (($donotrecurse) || ($checkforblock) || (ref($possibles) eq 'HASH')) {
13309: $canaccess = 1;
13310: } else {
13311: $canaccess = &allowed('bre',$file);
13312: }
13313: if ($canaccess) {
13314: my ($mapid,$resid)=split(/\./,$id);
13315: if ($bighash{'map_type_'.$mapid} ne 'page') {
13316: my $poss_syval=&encode_symb($bighash{'map_id_'.$mapid},
13317: $resid,$thisfn);
13318: if (ref($possibles) eq 'HASH') {
13319: $possibles->{$syval} = 1;
13320: }
13321: if ($checkforblock) {
13322: my @blockers = &has_comm_blocking('bre',$poss_syval,$file);
13323: unless (@blockers > 0) {
13324: $syval = $poss_syval;
13325: $realpossible++;
13326: }
13327: } else {
13328: $syval = $poss_syval;
13329: $realpossible++;
13330: }
13331: }
1.39 www 13332: }
1.191 harris41 13333: }
1.39 www 13334: if ($realpossible!=1) { $syval=''; }
1.249 www 13335: } else {
13336: $syval='';
1.37 www 13337: }
13338: }
1.1282 raeburn 13339: untie(%bighash);
1.481 raeburn 13340: }
1.31 www 13341: }
1.62 www 13342: if ($syval) {
1.620 albertel 13343: return $env{$cache_str}=$syval;
1.62 www 13344: }
1.31 www 13345: }
1.949 raeburn 13346: &appenv({'request.ambiguous' => $thisfn});
1.620 albertel 13347: return $env{$cache_str}='';
1.31 www 13348: }
13349:
13350: # ---------------------------------------------------------- Return random seed
13351:
1.32 www 13352: sub numval {
13353: my $txt=shift;
13354: $txt=~tr/A-J/0-9/;
13355: $txt=~tr/a-j/0-9/;
13356: $txt=~tr/K-T/0-9/;
13357: $txt=~tr/k-t/0-9/;
13358: $txt=~tr/U-Z/0-5/;
13359: $txt=~tr/u-z/0-5/;
13360: $txt=~s/\D//g;
1.564 albertel 13361: if ($_64bit) { if ($txt > 2**32) { return -1; } }
1.32 www 13362: return int($txt);
1.368 albertel 13363: }
13364:
1.484 albertel 13365: sub numval2 {
13366: my $txt=shift;
13367: $txt=~tr/A-J/0-9/;
13368: $txt=~tr/a-j/0-9/;
13369: $txt=~tr/K-T/0-9/;
13370: $txt=~tr/k-t/0-9/;
13371: $txt=~tr/U-Z/0-5/;
13372: $txt=~tr/u-z/0-5/;
13373: $txt=~s/\D//g;
13374: my @txts=split(/(\d\d\d\d\d\d\d\d\d)/,$txt);
13375: my $total;
13376: foreach my $val (@txts) { $total+=$val; }
1.564 albertel 13377: if ($_64bit) { if ($total > 2**32) { return -1; } }
1.484 albertel 13378: return int($total);
13379: }
13380:
1.575 albertel 13381: sub numval3 {
13382: use integer;
13383: my $txt=shift;
13384: $txt=~tr/A-J/0-9/;
13385: $txt=~tr/a-j/0-9/;
13386: $txt=~tr/K-T/0-9/;
13387: $txt=~tr/k-t/0-9/;
13388: $txt=~tr/U-Z/0-5/;
13389: $txt=~tr/u-z/0-5/;
13390: $txt=~s/\D//g;
13391: my @txts=split(/(\d\d\d\d\d\d\d\d\d)/,$txt);
13392: my $total;
13393: foreach my $val (@txts) { $total+=$val; }
13394: if ($_64bit) { $total=(($total<<32)>>32); }
13395: return $total;
13396: }
13397:
1.675 albertel 13398: sub digest {
13399: my ($data)=@_;
13400: my $digest=&Digest::MD5::md5($data);
13401: my ($a,$b,$c,$d)=unpack("iiii",$digest);
13402: my ($e,$f);
13403: {
13404: use integer;
13405: $e=($a+$b);
13406: $f=($c+$d);
13407: if ($_64bit) {
13408: $e=(($e<<32)>>32);
13409: $f=(($f<<32)>>32);
13410: }
13411: }
13412: if (wantarray) {
13413: return ($e,$f);
13414: } else {
13415: my $g;
13416: {
13417: use integer;
13418: $g=($e+$f);
13419: if ($_64bit) {
13420: $g=(($g<<32)>>32);
13421: }
13422: }
13423: return $g;
13424: }
13425: }
13426:
1.368 albertel 13427: sub latest_rnd_algorithm_id {
1.675 albertel 13428: return '64bit5';
1.366 albertel 13429: }
1.32 www 13430:
1.503 albertel 13431: sub get_rand_alg {
13432: my ($courseid)=@_;
1.790 albertel 13433: if (!$courseid) { $courseid=(&whichuser())[1]; }
1.503 albertel 13434: if ($courseid) {
1.620 albertel 13435: return $env{"course.$courseid.rndseed"};
1.503 albertel 13436: }
13437: return &latest_rnd_algorithm_id();
13438: }
13439:
1.562 albertel 13440: sub validCODE {
13441: my ($CODE)=@_;
13442: if (defined($CODE) && $CODE ne '' && $CODE =~ /^\w+$/) { return 1; }
13443: return 0;
13444: }
13445:
1.491 albertel 13446: sub getCODE {
1.620 albertel 13447: if (&validCODE($env{'form.CODE'})) { return $env{'form.CODE'}; }
1.618 albertel 13448: if ( (defined($Apache::lonhomework::parsing_a_problem) ||
13449: defined($Apache::lonhomework::parsing_a_task) ) &&
13450: &validCODE($Apache::lonhomework::history{'resource.CODE'})) {
1.491 albertel 13451: return $Apache::lonhomework::history{'resource.CODE'};
13452: }
13453: return undef;
13454: }
1.1133 foxr 13455: #
13456: # Determines the random seed for a specific context:
13457: #
13458: # parameters:
13459: # symb - in course context the symb for the seed.
13460: # course_id - The course id of the form domain_coursenum.
13461: # domain - Domain for the user.
13462: # course - Course for the user.
13463: # cenv - environment of the course.
13464: #
13465: # NOTE:
13466: # All parameters are picked out of the environment if missing
13467: # or not defined.
13468: # If a symb cannot be determined the current time is used instead.
13469: #
13470: # For a given well defined symb, courside, domain, username,
13471: # and course environment, the seed is reproducible.
13472: #
1.31 www 13473: sub rndseed {
1.1133 foxr 13474: my ($symb,$courseid,$domain,$username, $cenv)=@_;
1.790 albertel 13475: my ($wsymb,$wcourseid,$wdomain,$wusername)=&whichuser();
1.896 albertel 13476: if (!defined($symb)) {
1.366 albertel 13477: unless ($symb=$wsymb) { return time; }
13478: }
1.1146 foxr 13479: if (!defined $courseid) {
13480: $courseid=$wcourseid;
13481: }
13482: if (!defined $domain) { $domain=$wdomain; }
13483: if (!defined $username) { $username=$wusername }
1.1133 foxr 13484:
13485: my $which;
13486: if (defined($cenv->{'rndseed'})) {
13487: $which = $cenv->{'rndseed'};
13488: } else {
13489: $which =&get_rand_alg($courseid);
13490: }
1.491 albertel 13491: if (defined(&getCODE())) {
1.1133 foxr 13492:
1.675 albertel 13493: if ($which eq '64bit5') {
13494: return &rndseed_CODE_64bit5($symb,$courseid,$domain,$username);
13495: } elsif ($which eq '64bit4') {
1.575 albertel 13496: return &rndseed_CODE_64bit4($symb,$courseid,$domain,$username);
13497: } else {
13498: return &rndseed_CODE_64bit($symb,$courseid,$domain,$username);
13499: }
1.675 albertel 13500: } elsif ($which eq '64bit5') {
13501: return &rndseed_64bit5($symb,$courseid,$domain,$username);
1.575 albertel 13502: } elsif ($which eq '64bit4') {
13503: return &rndseed_64bit4($symb,$courseid,$domain,$username);
1.501 albertel 13504: } elsif ($which eq '64bit3') {
13505: return &rndseed_64bit3($symb,$courseid,$domain,$username);
1.443 albertel 13506: } elsif ($which eq '64bit2') {
13507: return &rndseed_64bit2($symb,$courseid,$domain,$username);
1.366 albertel 13508: } elsif ($which eq '64bit') {
13509: return &rndseed_64bit($symb,$courseid,$domain,$username);
13510: }
13511: return &rndseed_32bit($symb,$courseid,$domain,$username);
13512: }
13513:
13514: sub rndseed_32bit {
13515: my ($symb,$courseid,$domain,$username)=@_;
13516: {
13517: use integer;
13518: my $symbchck=unpack("%32C*",$symb) << 27;
13519: my $symbseed=numval($symb) << 22;
13520: my $namechck=unpack("%32C*",$username) << 17;
13521: my $nameseed=numval($username) << 12;
13522: my $domainseed=unpack("%32C*",$domain) << 7;
13523: my $courseseed=unpack("%32C*",$courseid);
13524: my $num=$symbseed+$nameseed+$domainseed+$courseseed+$namechck+$symbchck;
1.790 albertel 13525: #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
13526: #&logthis("rndseed :$num:$symb");
1.564 albertel 13527: if ($_64bit) { $num=(($num<<32)>>32); }
1.366 albertel 13528: return $num;
13529: }
13530: }
13531:
13532: sub rndseed_64bit {
13533: my ($symb,$courseid,$domain,$username)=@_;
13534: {
13535: use integer;
13536: my $symbchck=unpack("%32S*",$symb) << 21;
13537: my $symbseed=numval($symb) << 10;
13538: my $namechck=unpack("%32S*",$username);
13539:
13540: my $nameseed=numval($username) << 21;
13541: my $domainseed=unpack("%32S*",$domain) << 10;
13542: my $courseseed=unpack("%32S*",$courseid);
13543:
13544: my $num1=$symbchck+$symbseed+$namechck;
13545: my $num2=$nameseed+$domainseed+$courseseed;
1.790 albertel 13546: #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
13547: #&logthis("rndseed :$num:$symb");
1.564 albertel 13548: if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
1.366 albertel 13549: return "$num1,$num2";
1.155 albertel 13550: }
1.366 albertel 13551: }
13552:
1.443 albertel 13553: sub rndseed_64bit2 {
13554: my ($symb,$courseid,$domain,$username)=@_;
13555: {
13556: use integer;
13557: # strings need to be an even # of cahracters long, it it is odd the
13558: # last characters gets thrown away
13559: my $symbchck=unpack("%32S*",$symb.' ') << 21;
13560: my $symbseed=numval($symb) << 10;
13561: my $namechck=unpack("%32S*",$username.' ');
13562:
13563: my $nameseed=numval($username) << 21;
1.501 albertel 13564: my $domainseed=unpack("%32S*",$domain.' ') << 10;
13565: my $courseseed=unpack("%32S*",$courseid.' ');
13566:
13567: my $num1=$symbchck+$symbseed+$namechck;
13568: my $num2=$nameseed+$domainseed+$courseseed;
1.790 albertel 13569: #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
13570: #&logthis("rndseed :$num:$symb");
1.803 albertel 13571: if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
1.501 albertel 13572: return "$num1,$num2";
13573: }
13574: }
13575:
13576: sub rndseed_64bit3 {
13577: my ($symb,$courseid,$domain,$username)=@_;
13578: {
13579: use integer;
13580: # strings need to be an even # of cahracters long, it it is odd the
13581: # last characters gets thrown away
13582: my $symbchck=unpack("%32S*",$symb.' ') << 21;
13583: my $symbseed=numval2($symb) << 10;
13584: my $namechck=unpack("%32S*",$username.' ');
13585:
13586: my $nameseed=numval2($username) << 21;
1.443 albertel 13587: my $domainseed=unpack("%32S*",$domain.' ') << 10;
13588: my $courseseed=unpack("%32S*",$courseid.' ');
13589:
13590: my $num1=$symbchck+$symbseed+$namechck;
13591: my $num2=$nameseed+$domainseed+$courseseed;
1.790 albertel 13592: #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
13593: #&logthis("rndseed :$num1:$num2:$_64bit");
1.564 albertel 13594: if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
1.1110 www 13595:
1.503 albertel 13596: return "$num1:$num2";
1.443 albertel 13597: }
13598: }
13599:
1.575 albertel 13600: sub rndseed_64bit4 {
13601: my ($symb,$courseid,$domain,$username)=@_;
13602: {
13603: use integer;
13604: # strings need to be an even # of cahracters long, it it is odd the
13605: # last characters gets thrown away
13606: my $symbchck=unpack("%32S*",$symb.' ') << 21;
13607: my $symbseed=numval3($symb) << 10;
13608: my $namechck=unpack("%32S*",$username.' ');
13609:
13610: my $nameseed=numval3($username) << 21;
13611: my $domainseed=unpack("%32S*",$domain.' ') << 10;
13612: my $courseseed=unpack("%32S*",$courseid.' ');
13613:
13614: my $num1=$symbchck+$symbseed+$namechck;
13615: my $num2=$nameseed+$domainseed+$courseseed;
1.790 albertel 13616: #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
13617: #&logthis("rndseed :$num1:$num2:$_64bit");
1.575 albertel 13618: if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
1.1110 www 13619:
1.575 albertel 13620: return "$num1:$num2";
13621: }
13622: }
13623:
1.675 albertel 13624: sub rndseed_64bit5 {
13625: my ($symb,$courseid,$domain,$username)=@_;
13626: my ($num1,$num2)=&digest("$symb,$courseid,$domain,$username");
13627: return "$num1:$num2";
13628: }
13629:
1.366 albertel 13630: sub rndseed_CODE_64bit {
13631: my ($symb,$courseid,$domain,$username)=@_;
1.155 albertel 13632: {
1.366 albertel 13633: use integer;
1.443 albertel 13634: my $symbchck=unpack("%32S*",$symb.' ') << 16;
1.484 albertel 13635: my $symbseed=numval2($symb);
1.491 albertel 13636: my $CODEchck=unpack("%32S*",&getCODE().' ') << 16;
13637: my $CODEseed=numval(&getCODE());
1.443 albertel 13638: my $courseseed=unpack("%32S*",$courseid.' ');
1.484 albertel 13639: my $num1=$symbseed+$CODEchck;
13640: my $num2=$CODEseed+$courseseed+$symbchck;
1.790 albertel 13641: #&logthis("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck");
13642: #&logthis("rndseed :$num1:$num2:$symb");
1.564 albertel 13643: if ($_64bit) { $num1=(($num1<<32)>>32); }
13644: if ($_64bit) { $num2=(($num2<<32)>>32); }
1.503 albertel 13645: return "$num1:$num2";
1.366 albertel 13646: }
13647: }
13648:
1.575 albertel 13649: sub rndseed_CODE_64bit4 {
13650: my ($symb,$courseid,$domain,$username)=@_;
13651: {
13652: use integer;
13653: my $symbchck=unpack("%32S*",$symb.' ') << 16;
13654: my $symbseed=numval3($symb);
13655: my $CODEchck=unpack("%32S*",&getCODE().' ') << 16;
13656: my $CODEseed=numval3(&getCODE());
13657: my $courseseed=unpack("%32S*",$courseid.' ');
13658: my $num1=$symbseed+$CODEchck;
13659: my $num2=$CODEseed+$courseseed+$symbchck;
1.790 albertel 13660: #&logthis("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck");
13661: #&logthis("rndseed :$num1:$num2:$symb");
1.575 albertel 13662: if ($_64bit) { $num1=(($num1<<32)>>32); }
13663: if ($_64bit) { $num2=(($num2<<32)>>32); }
13664: return "$num1:$num2";
13665: }
13666: }
13667:
1.675 albertel 13668: sub rndseed_CODE_64bit5 {
13669: my ($symb,$courseid,$domain,$username)=@_;
13670: my $code = &getCODE();
13671: my ($num1,$num2)=&digest("$symb,$courseid,$code");
13672: return "$num1:$num2";
13673: }
13674:
1.366 albertel 13675: sub setup_random_from_rndseed {
13676: my ($rndseed)=@_;
1.503 albertel 13677: if ($rndseed =~/([,:])/) {
1.1262 raeburn 13678: my ($num1,$num2) = map { abs($_); } (split(/[,:]/,$rndseed));
13679: if ((!$num1) || (!$num2) || ($num1 > 2147483562) || ($num2 > 2147483398)) {
13680: &Math::Random::random_set_seed_from_phrase($rndseed);
13681: } else {
13682: &Math::Random::random_set_seed($num1,$num2);
13683: }
1.366 albertel 13684: } else {
13685: &Math::Random::random_set_seed_from_phrase($rndseed);
1.98 albertel 13686: }
1.36 albertel 13687: }
13688:
1.474 albertel 13689: sub latest_receipt_algorithm_id {
1.835 albertel 13690: return 'receipt3';
1.474 albertel 13691: }
13692:
1.480 www 13693: sub recunique {
13694: my $fucourseid=shift;
13695: my $unique;
1.835 albertel 13696: if ($env{"course.$fucourseid.receiptalg"} eq 'receipt2' ||
13697: $env{"course.$fucourseid.receiptalg"} eq 'receipt3' ) {
1.620 albertel 13698: $unique=$env{"course.$fucourseid.internal.encseed"};
1.480 www 13699: } else {
13700: $unique=$perlvar{'lonReceipt'};
13701: }
13702: return unpack("%32C*",$unique);
13703: }
13704:
13705: sub recprefix {
13706: my $fucourseid=shift;
13707: my $prefix;
1.835 albertel 13708: if ($env{"course.$fucourseid.receiptalg"} eq 'receipt2'||
13709: $env{"course.$fucourseid.receiptalg"} eq 'receipt3' ) {
1.620 albertel 13710: $prefix=$env{"course.$fucourseid.internal.encpref"};
1.480 www 13711: } else {
13712: $prefix=$perlvar{'lonHostID'};
13713: }
13714: return unpack("%32C*",$prefix);
13715: }
13716:
1.76 www 13717: sub ireceipt {
1.474 albertel 13718: my ($funame,$fudom,$fucourseid,$fusymb,$part)=@_;
1.835 albertel 13719:
13720: my $return =&recprefix($fucourseid).'-';
13721:
13722: if ($env{"course.$fucourseid.receiptalg"} eq 'receipt3' ||
13723: $env{'request.state'} eq 'construct') {
13724: $return .= (&digest("$funame,$fudom,$fucourseid,$fusymb,$part")%10000);
13725: return $return;
13726: }
13727:
1.76 www 13728: my $cuname=unpack("%32C*",$funame);
13729: my $cudom=unpack("%32C*",$fudom);
13730: my $cucourseid=unpack("%32C*",$fucourseid);
13731: my $cusymb=unpack("%32C*",$fusymb);
1.480 www 13732: my $cunique=&recunique($fucourseid);
1.474 albertel 13733: my $cpart=unpack("%32S*",$part);
1.835 albertel 13734: if ($env{"course.$fucourseid.receiptalg"} eq 'receipt2') {
13735:
1.790 albertel 13736: #&logthis("doing receipt2 using parts $cpart, uname $cuname and udom $cudom gets ".($cpart%$cuname)." and ".($cpart%$cudom));
1.474 albertel 13737:
13738: $return.= ($cunique%$cuname+
13739: $cunique%$cudom+
13740: $cusymb%$cuname+
13741: $cusymb%$cudom+
13742: $cucourseid%$cuname+
13743: $cucourseid%$cudom+
13744: $cpart%$cuname+
13745: $cpart%$cudom);
13746: } else {
13747: $return.= ($cunique%$cuname+
13748: $cunique%$cudom+
13749: $cusymb%$cuname+
13750: $cusymb%$cudom+
13751: $cucourseid%$cuname+
13752: $cucourseid%$cudom);
13753: }
13754: return $return;
1.76 www 13755: }
13756:
13757: sub receipt {
1.474 albertel 13758: my ($part)=@_;
1.790 albertel 13759: my ($symb,$courseid,$domain,$name) = &whichuser();
1.474 albertel 13760: return &ireceipt($name,$domain,$courseid,$symb,$part);
1.76 www 13761: }
1.260 ng 13762:
1.790 albertel 13763: sub whichuser {
13764: my ($passedsymb)=@_;
13765: my ($symb,$courseid,$domain,$name,$publicuser);
13766: if (defined($env{'form.grade_symb'})) {
13767: my ($tmp_courseid)=&get_env_multiple('form.grade_courseid');
13768: my $allowed=&allowed('vgr',$tmp_courseid);
13769: if (!$allowed &&
13770: exists($env{'request.course.sec'}) &&
13771: $env{'request.course.sec'} !~ /^\s*$/) {
13772: $allowed=&allowed('vgr',$tmp_courseid.
13773: '/'.$env{'request.course.sec'});
13774: }
13775: if ($allowed) {
13776: ($symb)=&get_env_multiple('form.grade_symb');
13777: $courseid=$tmp_courseid;
13778: ($domain)=&get_env_multiple('form.grade_domain');
13779: ($name)=&get_env_multiple('form.grade_username');
13780: return ($symb,$courseid,$domain,$name,$publicuser);
13781: }
13782: }
13783: if (!$passedsymb) {
13784: $symb=&symbread();
13785: } else {
13786: $symb=$passedsymb;
13787: }
13788: $courseid=$env{'request.course.id'};
13789: $domain=$env{'user.domain'};
13790: $name=$env{'user.name'};
13791: if ($name eq 'public' && $domain eq 'public') {
13792: if (!defined($env{'form.username'})) {
13793: $env{'form.username'}.=time.rand(10000000);
13794: }
13795: $name.=$env{'form.username'};
13796: }
13797: return ($symb,$courseid,$domain,$name,$publicuser);
13798:
13799: }
13800:
1.36 albertel 13801: # ------------------------------------------------------------ Serves up a file
1.472 albertel 13802: # returns either the contents of the file or
13803: # -1 if the file doesn't exist
1.481 raeburn 13804: #
13805: # if the target is a file that was uploaded via DOCS,
13806: # a check will be made to see if a current copy exists on the local server,
13807: # if it does this will be served, otherwise a copy will be retrieved from
13808: # the home server for the course and stored in /home/httpd/html/userfiles on
13809: # the local server.
1.472 albertel 13810:
1.36 albertel 13811: sub getfile {
1.538 albertel 13812: my ($file) = @_;
1.609 banghart 13813: if ($file =~ m -^/*(uploaded|editupload)/-) { $file=&filelocation("",$file); }
1.538 albertel 13814: &repcopy($file);
13815: return &readfile($file);
13816: }
13817:
13818: sub repcopy_userfile {
13819: my ($file)=@_;
1.1142 raeburn 13820: my $londocroot = $perlvar{'lonDocRoot'};
13821: if ($file =~ m{^/*(uploaded|editupload)/}) { $file=&filelocation("",$file); }
1.1164 raeburn 13822: if ($file =~ m{^\Q/home/httpd/lonUsers/\E}) { return 'ok'; }
1.538 albertel 13823: my ($cdom,$cnum,$filename) =
1.811 albertel 13824: ($file=~m|^\Q$perlvar{'lonDocRoot'}\E/+userfiles/+($match_domain)/+($match_name)/+(.*)|);
1.538 albertel 13825: my $uri="/uploaded/$cdom/$cnum/$filename";
13826: if (-e "$file") {
1.828 www 13827: # we already have a local copy, check it out
1.538 albertel 13828: my @fileinfo = stat($file);
1.828 www 13829: my $rtncode;
13830: my $info;
1.538 albertel 13831: my $lwpresp = &getuploaded('HEAD',$uri,$cdom,$cnum,\$info,\$rtncode);
1.482 albertel 13832: if ($lwpresp ne 'ok') {
1.828 www 13833: # there is no such file anymore, even though we had a local copy
1.482 albertel 13834: if ($rtncode eq '404') {
1.538 albertel 13835: unlink($file);
1.482 albertel 13836: }
13837: return -1;
13838: }
13839: if ($info < $fileinfo[9]) {
1.828 www 13840: # nice, the file we have is up-to-date, just say okay
1.607 raeburn 13841: return 'ok';
1.828 www 13842: } else {
13843: # the file is outdated, get rid of it
13844: unlink($file);
1.482 albertel 13845: }
1.828 www 13846: }
13847: # one way or the other, at this point, we don't have the file
13848: # construct the correct path for the file
13849: my @parts = ($cdom,$cnum);
13850: if ($filename =~ m|^(.+)/[^/]+$|) {
13851: push @parts, split(/\//,$1);
13852: }
13853: my $path = $perlvar{'lonDocRoot'}.'/userfiles';
13854: foreach my $part (@parts) {
13855: $path .= '/'.$part;
13856: if (!-e $path) {
13857: mkdir($path,0770);
1.482 albertel 13858: }
13859: }
1.828 www 13860: # now the path exists for sure
13861: # get a user agent
13862: my $transferfile=$file.'.in.transfer';
13863: # FIXME: this should flock
13864: if (-e $transferfile) { return 'ok'; }
13865: my $request;
13866: $uri=~s/^\///;
1.980 raeburn 13867: my $homeserver = &homeserver($cnum,$cdom);
1.1398 raeburn 13868: my $hostname = &hostname($homeserver);
1.980 raeburn 13869: my $protocol = $protocol{$homeserver};
13870: $protocol = 'http' if ($protocol ne 'https');
1.1397 raeburn 13871: $request=new HTTP::Request('GET',$protocol.'://'.$hostname.'/raw/'.$uri);
1.1345 raeburn 13872: my $response = &LONCAPA::LWPReq::makerequest($homeserver,$request,$transferfile,\%perlvar,'',0,1);
1.828 www 13873: # did it work?
13874: if ($response->is_error()) {
13875: unlink($transferfile);
13876: &logthis("Userfile repcopy failed for $uri");
13877: return -1;
13878: }
13879: # worked, rename the transfer file
13880: rename($transferfile,$file);
1.607 raeburn 13881: return 'ok';
1.481 raeburn 13882: }
13883:
1.517 albertel 13884: sub tokenwrapper {
13885: my $uri=shift;
1.980 raeburn 13886: $uri=~s|^https?\://([^/]+)||;
1.552 albertel 13887: $uri=~s|^/||;
1.620 albertel 13888: $env{'user.environment'}=~/\/([^\/]+)\.id/;
1.517 albertel 13889: my $token=$1;
1.552 albertel 13890: my (undef,$udom,$uname,$file)=split('/',$uri,4);
13891: if ($udom && $uname && $file) {
13892: $file=~s|(\?\.*)*$||;
1.949 raeburn 13893: &appenv({"userfile.$udom/$uname/$file" => $env{'request.course.id'}});
1.980 raeburn 13894: my $homeserver = &homeserver($uname,$udom);
1.1397 raeburn 13895: my $hostname = &hostname($homeserver);
1.980 raeburn 13896: my $protocol = $protocol{$homeserver};
13897: $protocol = 'http' if ($protocol ne 'https');
1.1397 raeburn 13898: return $protocol.'://'.$hostname.'/'.$uri.
1.517 albertel 13899: (($uri=~/\?/)?'&':'?').'token='.$token.
13900: '&tokenissued='.$perlvar{'lonHostID'};
13901: } else {
13902: return '/adm/notfound.html';
13903: }
13904: }
13905:
1.828 www 13906: # call with reqtype HEAD: get last modification time
13907: # call with reqtype GET: get the file contents
13908: # Do not call this with reqtype GET for large files! It loads everything into memory
13909: #
1.481 raeburn 13910: sub getuploaded {
13911: my ($reqtype,$uri,$cdom,$cnum,$info,$rtncode) = @_;
13912: $uri=~s/^\///;
1.980 raeburn 13913: my $homeserver = &homeserver($cnum,$cdom);
1.1397 raeburn 13914: my $hostname = &hostname($homeserver);
1.980 raeburn 13915: my $protocol = $protocol{$homeserver};
13916: $protocol = 'http' if ($protocol ne 'https');
1.1397 raeburn 13917: $uri = $protocol.'://'.$hostname.'/raw/'.$uri;
1.481 raeburn 13918: my $request=new HTTP::Request($reqtype,$uri);
1.1345 raeburn 13919: my $response=&LONCAPA::LWPReq::makerequest($homeserver,$request,'',\%perlvar,'',0,1);
1.481 raeburn 13920: $$rtncode = $response->code;
1.482 albertel 13921: if (! $response->is_success()) {
13922: return 'failed';
13923: }
13924: if ($reqtype eq 'HEAD') {
1.486 www 13925: $$info = &HTTP::Date::str2time( $response->header('Last-modified') );
1.482 albertel 13926: } elsif ($reqtype eq 'GET') {
13927: $$info = $response->content;
1.472 albertel 13928: }
1.482 albertel 13929: return 'ok';
1.36 albertel 13930: }
13931:
1.481 raeburn 13932: sub readfile {
13933: my $file = shift;
13934: if ( (! -e $file ) || ($file eq '') ) { return -1; };
13935: my $fh;
1.1359 raeburn 13936: open($fh,"<",$file);
1.481 raeburn 13937: my $a='';
1.800 albertel 13938: while (my $line = <$fh>) { $a .= $line; }
1.481 raeburn 13939: return $a;
13940: }
13941:
1.36 albertel 13942: sub filelocation {
1.590 banghart 13943: my ($dir,$file) = @_;
13944: my $location;
13945: $file=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces
1.700 albertel 13946:
13947: if ($file =~ m-^/adm/-) {
13948: $file=~s-^/adm/wrapper/-/-;
13949: $file=~s-^/adm/coursedocs/showdoc/-/-;
13950: }
1.882 albertel 13951:
1.1139 www 13952: if ($file =~ m-^\Q$Apache::lonnet::perlvar{'lonTabDir'}\E/-) {
1.956 raeburn 13953: $location = $file;
1.609 banghart 13954: } elsif ($file=~/^\/*(uploaded|editupload)/) { # is an uploaded file
1.590 banghart 13955: my ($udom,$uname,$filename)=
1.811 albertel 13956: ($file=~m -^/+(?:uploaded|editupload)/+($match_domain)/+($match_name)/+(.*)$-);
1.590 banghart 13957: my $home=&homeserver($uname,$udom);
13958: my $is_me=0;
13959: my @ids=¤t_machine_ids();
13960: foreach my $id (@ids) { if ($id eq $home) { $is_me=1; } }
13961: if ($is_me) {
1.1117 foxr 13962: $location=propath($udom,$uname).'/userfiles/'.$filename;
1.590 banghart 13963: } else {
13964: $location=$Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles/'.
13965: $udom.'/'.$uname.'/'.$filename;
13966: }
1.882 albertel 13967: } elsif ($file =~ m-^/adm/-) {
13968: $location = $perlvar{'lonDocRoot'}.'/'.$file;
1.590 banghart 13969: } else {
13970: $file=~s/^\Q$perlvar{'lonDocRoot'}\E//;
1.1139 www 13971: $file=~s:^/(res|priv)/:/:;
13972: my $space=$1;
1.590 banghart 13973: if ( !( $file =~ m:^/:) ) {
13974: $location = $dir. '/'.$file;
13975: } else {
1.1142 raeburn 13976: $location = $perlvar{'lonDocRoot'}.'/'.$space.$file;
1.590 banghart 13977: }
1.59 albertel 13978: }
1.590 banghart 13979: $location=~s://+:/:g; # remove duplicate /
1.930 albertel 13980: while ($location=~m{/\.\./}) {
13981: if ($location =~ m{/[^/]+/\.\./}) {
13982: $location=~ s{/[^/]+/\.\./}{/}g;
13983: } else {
13984: $location=~ s{/\.\./}{/}g;
13985: }
13986: } #remove dir/..
1.590 banghart 13987: while ($location=~m:/\./:) {$location=~ s:/\./:/:g;} #remove /./
13988: return $location;
1.46 www 13989: }
1.36 albertel 13990:
1.46 www 13991: sub hreflocation {
13992: my ($dir,$file)=@_;
1.980 raeburn 13993: unless (($file=~m-^https?\://-i) || ($file=~m-^/-)) {
1.666 albertel 13994: $file=filelocation($dir,$file);
1.700 albertel 13995: } elsif ($file=~m-^/adm/-) {
13996: $file=~s-^/adm/wrapper/-/-;
13997: $file=~s-^/adm/coursedocs/showdoc/-/-;
1.666 albertel 13998: }
13999: if ($file=~m-^\Q$perlvar{'lonDocRoot'}\E-) {
14000: $file=~s-^\Q$perlvar{'lonDocRoot'}\E--;
14001: } elsif ($file=~m-^\Q$perlvar{'lonUsersDir'}\E-) {
1.1143 raeburn 14002: $file=~s{^/home/httpd/lonUsers/($match_domain)/./././($match_name)/userfiles/}
14003: {/uploaded/$1/$2/}x;
1.46 www 14004: }
1.913 albertel 14005: if ($file=~ m{^/userfiles/}) {
14006: $file =~ s{^/userfiles/}{/uploaded/};
14007: }
1.462 albertel 14008: return $file;
1.465 albertel 14009: }
14010:
1.1139 www 14011:
14012:
14013:
14014:
1.465 albertel 14015: sub current_machine_domains {
1.853 albertel 14016: return &machine_domains(&hostname($perlvar{'lonHostID'}));
14017: }
14018:
14019: sub machine_domains {
14020: my ($hostname) = @_;
1.465 albertel 14021: my @domains;
1.838 albertel 14022: my %hostname = &all_hostnames();
1.465 albertel 14023: while( my($id, $name) = each(%hostname)) {
1.467 matthew 14024: # &logthis("-$id-$name-$hostname-");
1.465 albertel 14025: if ($hostname eq $name) {
1.844 albertel 14026: push(@domains,&host_domain($id));
1.465 albertel 14027: }
14028: }
14029: return @domains;
14030: }
14031:
14032: sub current_machine_ids {
1.853 albertel 14033: return &machine_ids(&hostname($perlvar{'lonHostID'}));
14034: }
14035:
14036: sub machine_ids {
14037: my ($hostname) = @_;
14038: $hostname ||= &hostname($perlvar{'lonHostID'});
1.465 albertel 14039: my @ids;
1.888 albertel 14040: my %name_to_host = &all_names();
1.889 albertel 14041: if (ref($name_to_host{$hostname}) eq 'ARRAY') {
14042: return @{ $name_to_host{$hostname} };
14043: }
14044: return;
1.31 www 14045: }
14046:
1.824 raeburn 14047: sub additional_machine_domains {
14048: my @domains;
1.1359 raeburn 14049: open(my $fh,"<","$perlvar{'lonTabDir'}/expected_domains.tab");
1.824 raeburn 14050: while( my $line = <$fh>) {
14051: $line =~ s/\s//g;
14052: push(@domains,$line);
14053: }
14054: return @domains;
14055: }
14056:
14057: sub default_login_domain {
14058: my $domain = $perlvar{'lonDefDomain'};
14059: my $testdomain=(split(/\./,$ENV{'HTTP_HOST'}))[0];
14060: foreach my $posdom (¤t_machine_domains(),
14061: &additional_machine_domains()) {
14062: if (lc($posdom) eq lc($testdomain)) {
14063: $domain=$posdom;
14064: last;
14065: }
14066: }
14067: return $domain;
14068: }
14069:
1.1398 raeburn 14070: sub uses_sts {
14071: my ($ignore_cache) = @_;
14072: my $lonhost = $perlvar{'lonHostID'};
14073: my $hostname = &hostname($lonhost);
14074: my $sts_on;
14075: if ($protocol{$lonhost} eq 'https') {
14076: my $cachetime = 12*3600;
14077: if (!$ignore_cache) {
14078: ($sts_on,my $cached)=&is_cached_new('stspolicy',$lonhost);
14079: if (defined($cached)) {
14080: return $sts_on;
14081: }
14082: }
14083: my $url = $protocol{$lonhost}.'://'.$hostname.'/index.html';
14084: my $request=new HTTP::Request('HEAD',$url);
14085: my $response=&LONCAPA::LWPReq::makerequest($lonhost,$request,'',\%perlvar,'','','',1);
14086: if ($response->is_success) {
14087: my $has_sts = $response->header('Strict-Transport-Security');
14088: if ($has_sts eq '') {
14089: $sts_on = 0;
14090: } else {
14091: if ($has_sts =~ /\Qmax-age=\E(\d+)/) {
14092: my $maxage = $1;
14093: if ($maxage) {
14094: $sts_on = 1;
14095: } else {
14096: $sts_on = 0;
14097: }
14098: } else {
14099: $sts_on = 0;
14100: }
14101: }
14102: return &do_cache_new('stspolicy',$lonhost,$sts_on,$cachetime);
14103: }
14104: }
14105: return;
14106: }
14107:
1.31 www 14108: # ------------------------------------------------------------- Declutters URLs
14109:
14110: sub declutter {
14111: my $thisfn=shift;
1.569 albertel 14112: if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); }
1.1261 raeburn 14113: unless ($thisfn=~m{^/home/httpd/html/priv/}) {
14114: $thisfn=~s{^/home/httpd/html}{};
14115: }
1.31 www 14116: $thisfn=~s/^\///;
1.697 albertel 14117: $thisfn=~s|^adm/wrapper/||;
14118: $thisfn=~s|^adm/coursedocs/showdoc/||;
1.31 www 14119: $thisfn=~s/^res\///;
1.1172 bisitz 14120: $thisfn=~s/^priv\///;
1.1032 raeburn 14121: unless (($thisfn =~ /^ext/) || ($thisfn =~ /\.(page|sequence)___\d+___ext/)) {
14122: $thisfn=~s/\?.+$//;
14123: }
1.268 www 14124: return $thisfn;
14125: }
14126:
14127: # ------------------------------------------------------------- Clutter up URLs
14128:
14129: sub clutter {
14130: my $thisfn='/'.&declutter(shift);
1.887 albertel 14131: if ($thisfn !~ m{^/(uploaded|editupload|adm|userfiles|ext|raw|priv|public)/}
1.884 albertel 14132: || $thisfn =~ m{^/adm/(includes|pages)} ) {
1.270 www 14133: $thisfn='/res'.$thisfn;
14134: }
1.1031 raeburn 14135: if ($thisfn !~m|^/adm|) {
14136: if ($thisfn =~ m|^/ext/|) {
1.694 albertel 14137: $thisfn='/adm/wrapper'.$thisfn;
1.695 albertel 14138: } else {
14139: my ($ext) = ($thisfn =~ /\.(\w+)$/);
14140: my $embstyle=&Apache::loncommon::fileembstyle($ext);
1.698 albertel 14141: if ($embstyle eq 'ssi'
14142: || ($embstyle eq 'hdn')
14143: || ($embstyle eq 'rat')
14144: || ($embstyle eq 'prv')
14145: || ($embstyle eq 'ign')) {
14146: #do nothing with these
14147: } elsif (($embstyle eq 'img')
1.695 albertel 14148: || ($embstyle eq 'emb')
14149: || ($embstyle eq 'wrp')) {
14150: $thisfn='/adm/wrapper'.$thisfn;
1.698 albertel 14151: } elsif ($embstyle eq 'unk'
14152: && $thisfn!~/\.(sequence|page)$/) {
1.695 albertel 14153: $thisfn='/adm/coursedocs/showdoc'.$thisfn;
1.698 albertel 14154: } else {
1.718 www 14155: # &logthis("Got a blank emb style");
1.695 albertel 14156: }
1.694 albertel 14157: }
1.1343 raeburn 14158: } elsif ($thisfn =~ m{^/adm/$match_domain/$match_courseid/\d+/ext\.tool$}) {
1.1298 raeburn 14159: $thisfn='/adm/wrapper'.$thisfn;
1.694 albertel 14160: }
1.31 www 14161: return $thisfn;
1.12 www 14162: }
14163:
1.787 albertel 14164: sub clutter_with_no_wrapper {
14165: my $uri = &clutter(shift);
14166: if ($uri =~ m-^/adm/-) {
14167: $uri =~ s-^/adm/wrapper/-/-;
14168: $uri =~ s-^/adm/coursedocs/showdoc/-/-;
14169: }
14170: return $uri;
14171: }
14172:
1.557 albertel 14173: sub freeze_escape {
14174: my ($value)=@_;
14175: if (ref($value)) {
14176: $value=&nfreeze($value);
14177: return '__FROZEN__'.&escape($value);
14178: }
14179: return &escape($value);
14180: }
14181:
1.11 www 14182:
1.557 albertel 14183: sub thaw_unescape {
14184: my ($value)=@_;
14185: if ($value =~ /^__FROZEN__/) {
14186: substr($value,0,10,undef);
14187: $value=&unescape($value);
14188: return &thaw($value);
14189: }
14190: return &unescape($value);
14191: }
14192:
1.436 albertel 14193: sub correct_line_ends {
14194: my ($result)=@_;
14195: $$result =~s/\r\n/\n/mg;
14196: $$result =~s/\r/\n/mg;
1.415 albertel 14197: }
1.1 albertel 14198: # ================================================================ Main Program
14199:
1.184 www 14200: sub goodbye {
1.204 albertel 14201: &logthis("Starting Shut down");
1.443 albertel 14202: #not converted to using infrastruture and probably shouldn't be
1.870 albertel 14203: &logthis(sprintf("%-20s is %s",'%badServerCache',length(&nfreeze(\%badServerCache))));
1.443 albertel 14204: #converted
1.599 albertel 14205: # &logthis(sprintf("%-20s is %s",'%metacache',scalar(%metacache)));
1.870 albertel 14206: &logthis(sprintf("%-20s is %s",'%homecache',length(&nfreeze(\%homecache))));
14207: # &logthis(sprintf("%-20s is %s",'%titlecache',length(&nfreeze(\%titlecache))));
14208: # &logthis(sprintf("%-20s is %s",'%courseresdatacache',length(&nfreeze(\%courseresdatacache))));
1.425 albertel 14209: #1.1 only
1.870 albertel 14210: # &logthis(sprintf("%-20s is %s",'%userresdatacache',length(&nfreeze(\%userresdatacache))));
14211: # &logthis(sprintf("%-20s is %s",'%getsectioncache',length(&nfreeze(\%getsectioncache))));
14212: # &logthis(sprintf("%-20s is %s",'%courseresversioncache',length(&nfreeze(\%courseresversioncache))));
14213: # &logthis(sprintf("%-20s is %s",'%resversioncache',length(&nfreeze(\%resversioncache))));
14214: &logthis(sprintf("%-20s is %s",'%remembered',length(&nfreeze(\%remembered))));
1.599 albertel 14215: &logthis(sprintf("%-20s is %s",'kicks',$kicks));
14216: &logthis(sprintf("%-20s is %s",'hits',$hits));
1.184 www 14217: &flushcourselogs();
14218: &logthis("Shutting down");
14219: }
14220:
1.852 albertel 14221: sub get_dns {
1.1210 raeburn 14222: my ($url,$func,$ignore_cache,$nocache,$hashref) = @_;
1.869 albertel 14223: if (!$ignore_cache) {
14224: my ($content,$cached)=
14225: &Apache::lonnet::is_cached_new('dns',$url);
14226: if ($cached) {
1.1210 raeburn 14227: &$func($content,$hashref);
1.869 albertel 14228: return;
14229: }
14230: }
14231:
14232: my %alldns;
1.1379 raeburn 14233: if (open(my $config,"<","$perlvar{'lonTabDir'}/hosts.tab")) {
14234: foreach my $dns (<$config>) {
14235: next if ($dns !~ /^\^(\S*)/x);
14236: my $line = $1;
14237: my ($host,$protocol) = split(/:/,$line);
14238: if ($protocol ne 'https') {
14239: $protocol = 'http';
14240: }
14241: $alldns{$host} = $protocol;
1.979 raeburn 14242: }
1.1379 raeburn 14243: close($config);
1.869 albertel 14244: }
14245: while (%alldns) {
1.1263 raeburn 14246: my ($dns) = sort { $b cmp $a } keys(%alldns);
1.979 raeburn 14247: my $request=new HTTP::Request('GET',"$alldns{$dns}://$dns$url");
1.1345 raeburn 14248: my $response = &LONCAPA::LWPReq::makerequest('',$request,'',\%perlvar,30,0);
1.979 raeburn 14249: delete($alldns{$dns});
1.852 albertel 14250: next if ($response->is_error());
1.1379 raeburn 14251: if ($url eq '/adm/dns/loncapaCRL') {
14252: return &$func($response);
14253: } else {
14254: my @content = split("\n",$response->content);
14255: unless ($nocache) {
14256: &do_cache_new('dns',$url,\@content,30*24*60*60);
14257: }
14258: &$func(\@content,$hashref);
14259: return;
14260: }
14261: }
14262: my $which = (split('/',$url,4))[3];
14263: if ($which eq 'loncapaCRL') {
14264: my $diskfile = "$perlvar{'lonCertificateDirectory'}/$perlvar{'lonnetCertRevocationList'}";
14265: if (-e $diskfile) {
14266: &logthis("unable to contact DNS, on disk file $diskfile not updated");
14267: } else {
14268: &logthis("unable to contact DNS, no on disk file $diskfile available");
14269: }
14270: } else {
14271: &logthis("unable to contact DNS defaulting to on disk file dns_$which.tab\n");
14272: if (open(my $config,"<","$perlvar{'lonTabDir'}/dns_$which.tab")) {
14273: my @content = <$config>;
14274: close($config);
14275: &$func(\@content,$hashref);
14276: }
1.852 albertel 14277: }
1.1210 raeburn 14278: return;
14279: }
14280:
14281: # ------------------------------------------------------Get DNS checksums file
1.1211 raeburn 14282: sub parse_dns_checksums_tab {
1.1210 raeburn 14283: my ($lines,$hashref) = @_;
1.1264 raeburn 14284: my $lonhost = $perlvar{'lonHostID'};
14285: my $machine_dom = &Apache::lonnet::host_domain($lonhost);
1.1210 raeburn 14286: my $loncaparev = &get_server_loncaparev($machine_dom);
1.1264 raeburn 14287: my $distro = (split(/\:/,&get_server_distarch($lonhost)))[0];
14288: my $webconfdir = '/etc/httpd/conf';
14289: if ($distro =~ /^(ubuntu|debian)(\d+)$/) {
14290: $webconfdir = '/etc/apache2';
14291: } elsif ($distro =~ /^sles(\d+)$/) {
14292: if ($1 >= 10) {
14293: $webconfdir = '/etc/apache2';
14294: }
14295: } elsif ($distro =~ /^suse(\d+\.\d+)$/) {
14296: if ($1 >= 10.0) {
14297: $webconfdir = '/etc/apache2';
14298: }
14299: }
1.1210 raeburn 14300: my ($release,$timestamp) = split(/\-/,$loncaparev);
14301: my (%chksum,%revnum);
14302: if (ref($lines) eq 'ARRAY') {
14303: chomp(@{$lines});
1.1238 raeburn 14304: my $version = shift(@{$lines});
14305: if ($version eq $release) {
1.1210 raeburn 14306: foreach my $line (@{$lines}) {
1.1238 raeburn 14307: my ($file,$version,$shasum) = split(/,/,$line);
1.1264 raeburn 14308: if ($file =~ m{^/etc/httpd/conf}) {
14309: if ($webconfdir eq '/etc/apache2') {
14310: $file =~ s{^\Q/etc/httpd/conf/\E}{$webconfdir/};
14311: }
14312: }
1.1238 raeburn 14313: $chksum{$file} = $shasum;
14314: $revnum{$file} = $version;
1.1210 raeburn 14315: }
14316: if (ref($hashref) eq 'HASH') {
14317: %{$hashref} = (
14318: sums => \%chksum,
14319: versions => \%revnum,
14320: );
14321: }
14322: }
14323: }
1.869 albertel 14324: return;
1.852 albertel 14325: }
1.1210 raeburn 14326:
14327: sub fetch_dns_checksums {
1.1238 raeburn 14328: my %checksums;
14329: my $machine_dom = &Apache::lonnet::host_domain($perlvar{'lonHostID'});
1.1260 raeburn 14330: my $loncaparev = &get_server_loncaparev($machine_dom,$perlvar{'lonHostID'});
1.1238 raeburn 14331: my ($release,$timestamp) = split(/\-/,$loncaparev);
14332: &get_dns("/adm/dns/checksums/$release",\&parse_dns_checksums_tab,1,1,
1.1211 raeburn 14333: \%checksums);
1.1210 raeburn 14334: return \%checksums;
14335: }
14336:
1.1379 raeburn 14337: sub fetch_crl_pemfile {
14338: return &get_dns("/adm/dns/loncapaCRL",\&save_crl_pem,1,1);
14339: }
14340:
14341: sub save_crl_pem {
14342: my ($response) = @_;
1.1380 raeburn 14343: my ($msg,$hadchanges);
1.1379 raeburn 14344: if (ref($response)) {
14345: my $now = time;
14346: my $lonca = $perlvar{'lonCertificateDirectory'}.'/'.$perlvar{'lonnetCertificateAuthority'};
14347: my $tmpcrl = $tmpdir.'/'.$perlvar{'lonnetCertRevocationList'}.'_'.$now.'.'.$$.'.tmp';
14348: if (open(my $fh,'>',"$tmpcrl")) {
14349: print $fh $response->content;
14350: close($fh);
14351: if (-e $lonca) {
14352: if (open(PIPE,"openssl crl -in $tmpcrl -inform pem -CAfile $lonca -noout 2>&1 |")) {
14353: my $check = <PIPE>;
14354: close(PIPE);
14355: chomp($check);
14356: if ($check eq 'verify OK') {
14357: my $dest = "$perlvar{'lonCertificateDirectory'}/$perlvar{'lonnetCertRevocationList'}";
1.1380 raeburn 14358: my $backup;
1.1379 raeburn 14359: if (-e $dest) {
1.1380 raeburn 14360: if (&File::Copy::move($dest,"$dest.bak")) {
14361: $backup = 'ok';
14362: }
1.1379 raeburn 14363: }
14364: if (&File::Copy::move($tmpcrl,$dest)) {
14365: $msg = 'ok';
1.1380 raeburn 14366: if ($backup) {
14367: my (%oldnums,%newnums);
14368: if (open(PIPE, "openssl crl -inform PEM -text -noout -in $dest.bak |grep 'Serial Number' |")) {
14369: while (<PIPE>) {
14370: $oldnums{(split(/:/))[1]} = 1;
14371: }
14372: close(PIPE);
14373: }
14374: if (open(PIPE, "openssl crl -inform PEM -text -noout -in $dest |grep 'Serial Number' |")) {
14375: while(<PIPE>) {
14376: $newnums{(split(/:/))[1]} = 1;
14377: }
14378: close(PIPE);
14379: }
14380: foreach my $key (sort {$b <=> $a } (keys(%newnums))) {
14381: unless (exists($oldnums{$key})) {
14382: $hadchanges = 1;
14383: last;
14384: }
14385: }
14386: unless ($hadchanges) {
14387: foreach my $key (sort {$b <=> $a } (keys(%oldnums))) {
14388: unless (exists($newnums{$key})) {
14389: $hadchanges = 1;
14390: last;
14391: }
14392: }
14393: }
14394: }
1.1379 raeburn 14395: }
14396: } else {
14397: unlink($tmpcrl);
14398: }
14399: } else {
14400: unlink($tmpcrl);
14401: }
14402: } else {
14403: unlink($tmpcrl);
14404: }
14405: }
14406: }
1.1380 raeburn 14407: return ($msg,$hadchanges);
1.1379 raeburn 14408: }
14409:
1.327 albertel 14410: # ------------------------------------------------------------ Read domain file
14411: {
1.852 albertel 14412: my $loaded;
1.846 albertel 14413: my %domain;
14414:
1.852 albertel 14415: sub parse_domain_tab {
14416: my ($lines) = @_;
14417: foreach my $line (@$lines) {
14418: next if ($line =~ /^(\#|\s*$ )/x);
1.403 www 14419:
1.846 albertel 14420: chomp($line);
1.852 albertel 14421: my ($name,@elements) = split(/:/,$line,9);
1.846 albertel 14422: my %this_domain;
14423: foreach my $field ('description', 'auth_def', 'auth_arg_def',
14424: 'lang_def', 'city', 'longi', 'lati',
14425: 'primary') {
14426: $this_domain{$field} = shift(@elements);
14427: }
14428: $domain{$name} = \%this_domain;
1.852 albertel 14429: }
14430: }
1.864 albertel 14431:
14432: sub reset_domain_info {
14433: undef($loaded);
14434: undef(%domain);
14435: }
14436:
1.852 albertel 14437: sub load_domain_tab {
1.1293 raeburn 14438: my ($ignore_cache,$nocache) = @_;
14439: &get_dns('/adm/dns/domain',\&parse_domain_tab,$ignore_cache,$nocache);
1.852 albertel 14440: my $fh;
1.1359 raeburn 14441: if (open($fh,"<",$perlvar{'lonTabDir'}.'/domain.tab')) {
1.852 albertel 14442: my @lines = <$fh>;
14443: &parse_domain_tab(\@lines);
1.448 albertel 14444: }
1.852 albertel 14445: close($fh);
14446: $loaded = 1;
1.327 albertel 14447: }
1.846 albertel 14448:
14449: sub domain {
1.852 albertel 14450: &load_domain_tab() if (!$loaded);
14451:
1.846 albertel 14452: my ($name,$what) = @_;
14453: return if ( !exists($domain{$name}) );
14454:
14455: if (!$what) {
14456: return $domain{$name}{'description'};
14457: }
14458: return $domain{$name}{$what};
14459: }
1.974 raeburn 14460:
14461: sub domain_info {
14462: &load_domain_tab() if (!$loaded);
14463: return %domain;
14464: }
14465:
1.327 albertel 14466: }
14467:
14468:
1.1 albertel 14469: # ------------------------------------------------------------- Read hosts file
14470: {
1.838 albertel 14471: my %hostname;
1.844 albertel 14472: my %hostdom;
1.845 albertel 14473: my %libserv;
1.852 albertel 14474: my $loaded;
1.888 albertel 14475: my %name_to_host;
1.1074 raeburn 14476: my %internetdom;
1.1107 raeburn 14477: my %LC_dns_serv;
1.852 albertel 14478:
14479: sub parse_hosts_tab {
14480: my ($file) = @_;
14481: foreach my $configline (@$file) {
14482: next if ($configline =~ /^(\#|\s*$ )/x);
1.1107 raeburn 14483: chomp($configline);
14484: if ($configline =~ /^\^/) {
14485: if ($configline =~ /^\^([\w.\-]+)/) {
14486: $LC_dns_serv{$1} = 1;
14487: }
14488: next;
14489: }
1.1074 raeburn 14490: my ($id,$domain,$role,$name,$protocol,$intdom)=split(/:/,$configline);
1.852 albertel 14491: $name=~s/\s//g;
14492: if ($id && $domain && $role && $name) {
1.1351 raeburn 14493: if ((exists($hostname{$id})) && ($hostname{$id} ne '')) {
14494: my $curr = $hostname{$id};
14495: my $skip;
14496: if (ref($name_to_host{$curr}) eq 'ARRAY') {
14497: if (($curr eq $name) && (@{$name_to_host{$curr}} == 1)) {
14498: $skip = 1;
14499: } else {
14500: @{$name_to_host{$curr}} = grep { $_ ne $id } @{$name_to_host{$curr}};
14501: }
14502: }
14503: unless ($skip) {
14504: push(@{$name_to_host{$name}},$id);
14505: }
14506: } else {
14507: push(@{$name_to_host{$name}},$id);
14508: }
1.852 albertel 14509: $hostname{$id}=$name;
14510: $hostdom{$id}=$domain;
14511: if ($role eq 'library') { $libserv{$id}=$name; }
1.969 raeburn 14512: if (defined($protocol)) {
14513: if ($protocol eq 'https') {
14514: $protocol{$id} = $protocol;
14515: } else {
14516: $protocol{$id} = 'http';
14517: }
1.968 raeburn 14518: } else {
1.969 raeburn 14519: $protocol{$id} = 'http';
1.968 raeburn 14520: }
1.1074 raeburn 14521: if (defined($intdom)) {
14522: $internetdom{$id} = $intdom;
14523: }
1.852 albertel 14524: }
14525: }
14526: }
1.864 albertel 14527:
14528: sub reset_hosts_info {
1.897 albertel 14529: &purge_remembered();
1.864 albertel 14530: &reset_domain_info();
14531: &reset_hosts_ip_info();
1.1339 raeburn 14532: undef(%internetdom);
1.892 albertel 14533: undef(%name_to_host);
1.864 albertel 14534: undef(%hostname);
14535: undef(%hostdom);
14536: undef(%libserv);
14537: undef($loaded);
14538: }
1.1 albertel 14539:
1.852 albertel 14540: sub load_hosts_tab {
1.1293 raeburn 14541: my ($ignore_cache,$nocache) = @_;
14542: &get_dns('/adm/dns/hosts',\&parse_hosts_tab,$ignore_cache,$nocache);
1.1359 raeburn 14543: open(my $config,"<","$perlvar{'lonTabDir'}/hosts.tab");
1.852 albertel 14544: my @config = <$config>;
14545: &parse_hosts_tab(\@config);
14546: close($config);
14547: $loaded=1;
1.1 albertel 14548: }
1.852 albertel 14549:
1.838 albertel 14550: sub hostname {
1.852 albertel 14551: &load_hosts_tab() if (!$loaded);
14552:
1.838 albertel 14553: my ($lonid) = @_;
14554: return $hostname{$lonid};
14555: }
1.845 albertel 14556:
1.838 albertel 14557: sub all_hostnames {
1.852 albertel 14558: &load_hosts_tab() if (!$loaded);
14559:
1.838 albertel 14560: return %hostname;
14561: }
1.845 albertel 14562:
1.888 albertel 14563: sub all_names {
1.1293 raeburn 14564: my ($ignore_cache,$nocache) = @_;
14565: &load_hosts_tab($ignore_cache,$nocache) if (!$loaded);
1.888 albertel 14566:
14567: return %name_to_host;
14568: }
14569:
1.974 raeburn 14570: sub all_host_domain {
14571: &load_hosts_tab() if (!$loaded);
14572: return %hostdom;
14573: }
14574:
1.1339 raeburn 14575: sub all_host_intdom {
14576: &load_hosts_tab() if (!$loaded);
14577: return %internetdom;
14578: }
14579:
1.845 albertel 14580: sub is_library {
1.852 albertel 14581: &load_hosts_tab() if (!$loaded);
14582:
1.845 albertel 14583: return exists($libserv{$_[0]});
14584: }
14585:
14586: sub all_library {
1.852 albertel 14587: &load_hosts_tab() if (!$loaded);
14588:
1.845 albertel 14589: return %libserv;
14590: }
14591:
1.1062 droeschl 14592: sub unique_library {
14593: #2x reverse removes all hostnames that appear more than once
14594: my %unique = reverse &all_library();
14595: return reverse %unique;
14596: }
14597:
1.841 albertel 14598: sub get_servers {
1.852 albertel 14599: &load_hosts_tab() if (!$loaded);
14600:
1.841 albertel 14601: my ($domain,$type) = @_;
14602: my %possible_hosts = ($type eq 'library') ? %libserv
14603: : %hostname;
14604: my %result;
1.842 albertel 14605: if (ref($domain) eq 'ARRAY') {
14606: while ( my ($host,$hostname) = each(%possible_hosts)) {
1.843 albertel 14607: if (grep(/^\Q$hostdom{$host}\E$/,@$domain)) {
1.842 albertel 14608: $result{$host} = $hostname;
14609: }
14610: }
14611: } else {
14612: while ( my ($host,$hostname) = each(%possible_hosts)) {
14613: if ($hostdom{$host} eq $domain) {
14614: $result{$host} = $hostname;
14615: }
1.841 albertel 14616: }
14617: }
14618: return %result;
14619: }
1.845 albertel 14620:
1.1062 droeschl 14621: sub get_unique_servers {
14622: my %unique = reverse &get_servers(@_);
14623: return reverse %unique;
14624: }
14625:
1.844 albertel 14626: sub host_domain {
1.852 albertel 14627: &load_hosts_tab() if (!$loaded);
14628:
1.844 albertel 14629: my ($lonid) = @_;
14630: return $hostdom{$lonid};
14631: }
14632:
1.841 albertel 14633: sub all_domains {
1.852 albertel 14634: &load_hosts_tab() if (!$loaded);
14635:
1.841 albertel 14636: my %seen;
14637: my @uniq = grep(!$seen{$_}++, values(%hostdom));
14638: return @uniq;
14639: }
1.1074 raeburn 14640:
14641: sub internet_dom {
14642: &load_hosts_tab() if (!$loaded);
14643:
14644: my ($lonid) = @_;
14645: return $internetdom{$lonid};
14646: }
1.1107 raeburn 14647:
14648: sub is_LC_dns {
14649: &load_hosts_tab() if (!$loaded);
14650:
14651: my ($hostname) = @_;
14652: return exists($LC_dns_serv{$hostname});
14653: }
14654:
1.1 albertel 14655: }
14656:
1.847 albertel 14657: {
14658: my %iphost;
1.856 albertel 14659: my %name_to_ip;
14660: my %lonid_to_ip;
1.869 albertel 14661:
1.847 albertel 14662: sub get_hosts_from_ip {
14663: my ($ip) = @_;
14664: my %iphosts = &get_iphost();
14665: if (ref($iphosts{$ip})) {
14666: return @{$iphosts{$ip}};
14667: }
14668: return;
1.839 albertel 14669: }
1.864 albertel 14670:
14671: sub reset_hosts_ip_info {
14672: undef(%iphost);
14673: undef(%name_to_ip);
14674: undef(%lonid_to_ip);
14675: }
1.856 albertel 14676:
14677: sub get_host_ip {
14678: my ($lonid) = @_;
14679: if (exists($lonid_to_ip{$lonid})) {
14680: return $lonid_to_ip{$lonid};
14681: }
14682: my $name=&hostname($lonid);
14683: my $ip = gethostbyname($name);
14684: return if (!$ip || length($ip) ne 4);
14685: $ip=inet_ntoa($ip);
14686: $name_to_ip{$name} = $ip;
14687: $lonid_to_ip{$lonid} = $ip;
14688: return $ip;
14689: }
1.847 albertel 14690:
14691: sub get_iphost {
1.1293 raeburn 14692: my ($ignore_cache,$nocache) = @_;
1.894 albertel 14693:
1.869 albertel 14694: if (!$ignore_cache) {
14695: if (%iphost) {
14696: return %iphost;
14697: }
14698: my ($ip_info,$cached)=
14699: &Apache::lonnet::is_cached_new('iphost','iphost');
14700: if ($cached) {
14701: %iphost = %{$ip_info->[0]};
14702: %name_to_ip = %{$ip_info->[1]};
14703: %lonid_to_ip = %{$ip_info->[2]};
14704: return %iphost;
14705: }
14706: }
1.894 albertel 14707:
14708: # get yesterday's info for fallback
14709: my %old_name_to_ip;
14710: my ($ip_info,$cached)=
14711: &Apache::lonnet::is_cached_new('iphost','iphost');
14712: if ($cached) {
14713: %old_name_to_ip = %{$ip_info->[1]};
14714: }
14715:
1.1293 raeburn 14716: my %name_to_host = &all_names($ignore_cache,$nocache);
1.888 albertel 14717: foreach my $name (keys(%name_to_host)) {
1.847 albertel 14718: my $ip;
14719: if (!exists($name_to_ip{$name})) {
14720: $ip = gethostbyname($name);
14721: if (!$ip || length($ip) ne 4) {
1.894 albertel 14722: if (defined($old_name_to_ip{$name})) {
14723: $ip = $old_name_to_ip{$name};
14724: &logthis("Can't find $name defaulting to old $ip");
14725: } else {
14726: &logthis("Name $name no IP found");
14727: next;
14728: }
14729: } else {
14730: $ip=inet_ntoa($ip);
1.847 albertel 14731: }
14732: $name_to_ip{$name} = $ip;
14733: } else {
14734: $ip = $name_to_ip{$name};
1.653 albertel 14735: }
1.888 albertel 14736: foreach my $id (@{ $name_to_host{$name} }) {
14737: $lonid_to_ip{$id} = $ip;
14738: }
14739: push(@{$iphost{$ip}},@{$name_to_host{$name}});
1.598 albertel 14740: }
1.1293 raeburn 14741: unless ($nocache) {
14742: &do_cache_new('iphost','iphost',
14743: [\%iphost,\%name_to_ip,\%lonid_to_ip],
14744: 48*60*60);
14745: }
1.869 albertel 14746:
1.847 albertel 14747: return %iphost;
1.598 albertel 14748: }
14749:
1.992 raeburn 14750: #
14751: # Given a DNS returns the loncapa host name for that DNS
14752: #
14753: sub host_from_dns {
14754: my ($dns) = @_;
14755: my @hosts;
14756: my $ip;
14757:
1.993 raeburn 14758: if (exists($name_to_ip{$dns})) {
1.992 raeburn 14759: $ip = $name_to_ip{$dns};
14760: }
14761: if (!$ip) {
14762: $ip = gethostbyname($dns); # Initial translation to IP is in net order.
14763: if (length($ip) == 4) {
14764: $ip = &IO::Socket::inet_ntoa($ip);
14765: }
14766: }
14767: if ($ip) {
14768: @hosts = get_hosts_from_ip($ip);
14769: return $hosts[0];
14770: }
14771: return undef;
1.986 foxr 14772: }
1.992 raeburn 14773:
1.1074 raeburn 14774: sub get_internet_names {
14775: my ($lonid) = @_;
14776: return if ($lonid eq '');
14777: my ($idnref,$cached)=
14778: &Apache::lonnet::is_cached_new('internetnames',$lonid);
14779: if ($cached) {
14780: return $idnref;
14781: }
14782: my $ip = &get_host_ip($lonid);
14783: my @hosts = &get_hosts_from_ip($ip);
14784: my %iphost = &get_iphost();
14785: my (@idns,%seen);
14786: foreach my $id (@hosts) {
14787: my $dom = &host_domain($id);
14788: my $prim_id = &domain($dom,'primary');
14789: my $prim_ip = &get_host_ip($prim_id);
14790: next if ($seen{$prim_ip});
14791: if (ref($iphost{$prim_ip}) eq 'ARRAY') {
14792: foreach my $id (@{$iphost{$prim_ip}}) {
14793: my $intdom = &internet_dom($id);
14794: unless (grep(/^\Q$intdom\E$/,@idns)) {
14795: push(@idns,$intdom);
14796: }
14797: }
14798: }
14799: $seen{$prim_ip} = 1;
14800: }
1.1219 raeburn 14801: return &do_cache_new('internetnames',$lonid,\@idns,12*60*60);
1.1074 raeburn 14802: }
14803:
1.986 foxr 14804: }
14805:
1.1079 raeburn 14806: sub all_loncaparevs {
1.1249 raeburn 14807: return qw(1.1 1.2 1.3 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11);
1.1079 raeburn 14808: }
14809:
1.1227 raeburn 14810: # ---------------------------------------------------------- Read loncaparev table
14811: {
14812: sub load_loncaparevs {
14813: if (-e "$perlvar{'lonTabDir'}/loncaparevs.tab") {
1.1359 raeburn 14814: if (open(my $config,"<","$perlvar{'lonTabDir'}/loncaparevs.tab")) {
1.1227 raeburn 14815: while (my $configline=<$config>) {
14816: chomp($configline);
14817: my ($hostid,$loncaparev)=split(/:/,$configline);
14818: $loncaparevs{$hostid}=$loncaparev;
14819: }
14820: close($config);
14821: }
14822: }
14823: }
14824: }
14825:
14826: # ---------------------------------------------------------- Read serverhostID table
14827: {
14828: sub load_serverhomeIDs {
14829: if (-e "$perlvar{'lonTabDir'}/serverhomeIDs.tab") {
1.1359 raeburn 14830: if (open(my $config,"<","$perlvar{'lonTabDir'}/serverhomeIDs.tab")) {
1.1227 raeburn 14831: while (my $configline=<$config>) {
14832: chomp($configline);
14833: my ($name,$id)=split(/:/,$configline);
14834: $serverhomeIDs{$name}=$id;
14835: }
14836: close($config);
14837: }
14838: }
14839: }
14840: }
14841:
14842:
1.862 albertel 14843: BEGIN {
14844:
14845: # ----------------------------------- Read loncapa.conf and loncapa_apache.conf
14846: unless ($readit) {
14847: {
14848: my $configvars = LONCAPA::Configuration::read_conf('loncapa.conf');
14849: %perlvar = (%perlvar,%{$configvars});
14850: }
14851:
14852:
1.1 albertel 14853: # ------------------------------------------------------ Read spare server file
14854: {
1.1359 raeburn 14855: open(my $config,"<","$perlvar{'lonTabDir'}/spare.tab");
1.1 albertel 14856:
14857: while (my $configline=<$config>) {
14858: chomp($configline);
1.284 matthew 14859: if ($configline) {
1.784 albertel 14860: my ($host,$type) = split(':',$configline,2);
1.785 albertel 14861: if (!defined($type) || $type eq '') { $type = 'default' };
1.784 albertel 14862: push(@{ $spareid{$type} }, $host);
1.1 albertel 14863: }
14864: }
1.448 albertel 14865: close($config);
1.1 albertel 14866: }
1.11 www 14867: # ------------------------------------------------------------ Read permissions
14868: {
1.1359 raeburn 14869: open(my $config,"<","$perlvar{'lonTabDir'}/roles.tab");
1.11 www 14870:
14871: while (my $configline=<$config>) {
1.448 albertel 14872: chomp($configline);
14873: if ($configline) {
14874: my ($role,$perm)=split(/ /,$configline);
14875: if ($perm ne '') { $pr{$role}=$perm; }
14876: }
1.11 www 14877: }
1.448 albertel 14878: close($config);
1.11 www 14879: }
14880:
14881: # -------------------------------------------- Read plain texts for permissions
14882: {
1.1359 raeburn 14883: open(my $config,"<","$perlvar{'lonTabDir'}/rolesplain.tab");
1.11 www 14884:
14885: while (my $configline=<$config>) {
1.448 albertel 14886: chomp($configline);
14887: if ($configline) {
1.742 raeburn 14888: my ($short,@plain)=split(/:/,$configline);
14889: %{$prp{$short}} = ();
14890: if (@plain > 0) {
14891: $prp{$short}{'std'} = $plain[0];
14892: for (my $i=1; $i<@plain; $i++) {
14893: $prp{$short}{'alt'.$i} = $plain[$i];
14894: }
14895: }
1.448 albertel 14896: }
1.135 www 14897: }
1.448 albertel 14898: close($config);
1.135 www 14899: }
14900:
14901: # ---------------------------------------------------------- Read package table
14902: {
1.1359 raeburn 14903: open(my $config,"<","$perlvar{'lonTabDir'}/packages.tab");
1.135 www 14904:
14905: while (my $configline=<$config>) {
1.483 albertel 14906: if ($configline !~ /\S/ || $configline=~/^#/) { next; }
1.448 albertel 14907: chomp($configline);
14908: my ($short,$plain)=split(/:/,$configline);
14909: my ($pack,$name)=split(/\&/,$short);
14910: if ($plain ne '') {
14911: $packagetab{$pack.'&'.$name.'&name'}=$name;
14912: $packagetab{$short}=$plain;
14913: }
1.11 www 14914: }
1.448 albertel 14915: close($config);
1.329 matthew 14916: }
14917:
1.1073 raeburn 14918: # ---------------------------------------------------------- Read loncaparev table
1.1227 raeburn 14919:
14920: &load_loncaparevs();
1.1073 raeburn 14921:
1.1074 raeburn 14922: # ---------------------------------------------------------- Read serverhostID table
14923:
1.1227 raeburn 14924: &load_serverhomeIDs();
14925:
14926: # ---------------------------------------------------------- Read releaseslist XML
1.1079 raeburn 14927: {
14928: my $file = $Apache::lonnet::perlvar{'lonTabDir'}.'/releaseslist.xml';
14929: if (-e $file) {
14930: my $parser = HTML::LCParser->new($file);
14931: while (my $token = $parser->get_token()) {
14932: if ($token->[0] eq 'S') {
14933: my $item = $token->[1];
14934: my $name = $token->[2]{'name'};
14935: my $value = $token->[2]{'value'};
1.1285 raeburn 14936: my $valuematch = $token->[2]{'valuematch'};
1.1303 raeburn 14937: my $namematch = $token->[2]{'namematch'};
14938: if ($item eq 'parameter') {
14939: if (($namematch ne '') || (($name ne '') && ($value ne '' || $valuematch ne ''))) {
14940: my $release = $parser->get_text();
14941: $release =~ s/(^\s*|\s*$ )//gx;
14942: $needsrelease{$item.':'.$name.':'.$value.':'.$valuematch.':'.$namematch} = $release;
14943: }
14944: } elsif ($item ne '' && $name ne '') {
1.1079 raeburn 14945: my $release = $parser->get_text();
14946: $release =~ s/(^\s*|\s*$ )//gx;
1.1303 raeburn 14947: $needsrelease{$item.':'.$name.':'.$value} = $release;
1.1079 raeburn 14948: }
14949: }
14950: }
14951: }
1.1073 raeburn 14952: }
14953:
1.1138 raeburn 14954: # ---------------------------------------------------------- Read managers table
14955: {
14956: if (-e "$perlvar{'lonTabDir'}/managers.tab") {
1.1359 raeburn 14957: if (open(my $config,"<","$perlvar{'lonTabDir'}/managers.tab")) {
1.1138 raeburn 14958: while (my $configline=<$config>) {
14959: chomp($configline);
14960: next if ($configline =~ /^\#/);
14961: if (($configline =~ /^[\w\-]+$/) || ($configline =~ /^[\w\-]+\:[\w\-]+$/)) {
14962: $managerstab{$configline} = 1;
14963: }
14964: }
14965: close($config);
14966: }
14967: }
14968: }
14969:
1.329 matthew 14970: # ------------- set up temporary directory
14971: {
1.1117 foxr 14972: $tmpdir = LONCAPA::tempdir();
1.329 matthew 14973:
1.11 www 14974: }
14975:
1.1405 raeburn 14976: # ------------- set default texengine (domain default overrides this)
14977: {
14978: $deftex = LONCAPA::texengine();
14979: }
14980:
1.794 albertel 14981: $memcache=new Cache::Memcached({'servers' => ['127.0.0.1:11211'],
14982: 'compress_threshold'=> 20_000,
14983: });
1.185 www 14984:
1.281 www 14985: $processmarker='_'.time.'_'.$perlvar{'lonHostID'};
1.186 www 14986: $dumpcount=0;
1.958 www 14987: $locknum=0;
1.22 www 14988:
1.163 harris41 14989: &logtouch();
1.672 albertel 14990: &logthis('<font color="yellow">INFO: Read configuration</font>');
1.195 www 14991: $readit=1;
1.564 albertel 14992: {
14993: use integer;
14994: my $test=(2**32)+1;
1.568 albertel 14995: if ($test != 0) { $_64bit=1; } else { $_64bit=0; }
1.564 albertel 14996: &logthis(" Detected 64bit platform ($_64bit)");
14997: }
1.195 www 14998: }
1.1 albertel 14999: }
1.179 www 15000:
1.1 albertel 15001: 1;
1.191 harris41 15002: __END__
15003:
1.243 albertel 15004: =pod
15005:
1.191 harris41 15006: =head1 NAME
15007:
1.243 albertel 15008: Apache::lonnet - Subroutines to ask questions about things in the network.
1.191 harris41 15009:
15010: =head1 SYNOPSIS
15011:
1.243 albertel 15012: Invoked by other LON-CAPA modules, when they need to talk to or about objects in the network.
1.191 harris41 15013:
15014: &Apache::lonnet::SUBROUTINENAME(ARGUMENTS);
15015:
1.243 albertel 15016: Common parameters:
15017:
15018: =over 4
15019:
15020: =item *
15021:
15022: $uname : an internal username (if $cname expecting a course Id specifically)
15023:
15024: =item *
15025:
15026: $udom : a domain (if $cdom expecting a course's domain specifically)
15027:
15028: =item *
15029:
15030: $symb : a resource instance identifier
15031:
15032: =item *
15033:
15034: $namespace : the name of a .db file that contains the data needed or
15035: being set.
15036:
15037: =back
15038:
1.394 bowersj2 15039: =head1 OVERVIEW
1.191 harris41 15040:
1.394 bowersj2 15041: lonnet provides subroutines which interact with the
15042: lonc/lond (TCP) network layer of LON-CAPA. They can be used to ask
15043: about classes, users, and resources.
1.243 albertel 15044:
15045: For many of these objects you can also use this to store data about
15046: them or modify them in various ways.
1.191 harris41 15047:
1.394 bowersj2 15048: =head2 Symbs
1.191 harris41 15049:
1.394 bowersj2 15050: To identify a specific instance of a resource, LON-CAPA uses symbols
15051: or "symbs"X<symb>. These identifiers are built from the URL of the
15052: map, the resource number of the resource in the map, and the URL of
15053: the resource itself. The latter is somewhat redundant, but might help
15054: if maps change.
15055:
15056: An example is
15057:
15058: msu/korte/parts/part1.sequence___19___msu/korte/tests/part12.problem
15059:
15060: The respective map entry is
15061:
15062: <resource id="19" src="/res/msu/korte/tests/part12.problem"
15063: title="Problem 2">
15064: </resource>
15065:
15066: Symbs are used by the random number generator, as well as to store and
15067: restore data specific to a certain instance of for example a problem.
15068:
15069: =head2 Storing And Retrieving Data
15070:
15071: X<store()>X<cstore()>X<restore()>Three of the most important functions
15072: in C<lonnet.pm> are C<&Apache::lonnet::cstore()>,
15073: C<&Apache::lonnet:restore()>, and C<&Apache::lonnet::store()>, which
15074: is is the non-critical message twin of cstore. These functions are for
15075: handlers to store a perl hash to a user's permanent data space in an
15076: easy manner, and to retrieve it again on another call. It is expected
15077: that a handler would use this once at the beginning to retrieve data,
15078: and then again once at the end to send only the new data back.
15079:
15080: The data is stored in the user's data directory on the user's
15081: homeserver under the ID of the course.
15082:
15083: The hash that is returned by restore will have all of the previous
15084: value for all of the elements of the hash.
15085:
15086: Example:
15087:
15088: #creating a hash
15089: my %hash;
15090: $hash{'foo'}='bar';
15091:
15092: #storing it
15093: &Apache::lonnet::cstore(\%hash);
15094:
15095: #changing a value
15096: $hash{'foo'}='notbar';
15097:
15098: #adding a new value
15099: $hash{'bar'}='foo';
15100: &Apache::lonnet::cstore(\%hash);
15101:
15102: #retrieving the hash
15103: my %history=&Apache::lonnet::restore();
15104:
15105: #print the hash
15106: foreach my $key (sort(keys(%history))) {
15107: print("\%history{$key} = $history{$key}");
15108: }
15109:
15110: Will print out:
1.191 harris41 15111:
1.394 bowersj2 15112: %history{1:foo} = bar
15113: %history{1:keys} = foo:timestamp
15114: %history{1:timestamp} = 990455579
15115: %history{2:bar} = foo
15116: %history{2:foo} = notbar
15117: %history{2:keys} = foo:bar:timestamp
15118: %history{2:timestamp} = 990455580
15119: %history{bar} = foo
15120: %history{foo} = notbar
15121: %history{timestamp} = 990455580
15122: %history{version} = 2
15123:
15124: Note that the special hash entries C<keys>, C<version> and
15125: C<timestamp> were added to the hash. C<version> will be equal to the
15126: total number of versions of the data that have been stored. The
15127: C<timestamp> attribute will be the UNIX time the hash was
15128: stored. C<keys> is available in every historical section to list which
15129: keys were added or changed at a specific historical revision of a
15130: hash.
15131:
15132: B<Warning>: do not store the hash that restore returns directly. This
15133: will cause a mess since it will restore the historical keys as if the
15134: were new keys. I.E. 1:foo will become 1:1:foo etc.
1.191 harris41 15135:
1.394 bowersj2 15136: Calling convention:
1.191 harris41 15137:
1.1225 raeburn 15138: my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$uname);
1.1269 raeburn 15139: &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$uname,$laststore);
1.191 harris41 15140:
1.394 bowersj2 15141: For more detailed information, see lonnet specific documentation.
1.191 harris41 15142:
1.394 bowersj2 15143: =head1 RETURN MESSAGES
1.191 harris41 15144:
1.394 bowersj2 15145: =over 4
1.191 harris41 15146:
1.394 bowersj2 15147: =item * B<con_lost>: unable to contact remote host
1.191 harris41 15148:
1.394 bowersj2 15149: =item * B<con_delayed>: unable to contact remote host, message will be delivered
15150: when the connection is brought back up
1.191 harris41 15151:
1.394 bowersj2 15152: =item * B<con_failed>: unable to contact remote host and unable to save message
15153: for later delivery
1.191 harris41 15154:
1.967 bisitz 15155: =item * B<error:>: an error a occurred, a description of the error follows the :
1.191 harris41 15156:
1.394 bowersj2 15157: =item * B<no_such_host>: unable to fund a host associated with the user/domain
1.243 albertel 15158: that was requested
1.191 harris41 15159:
1.243 albertel 15160: =back
1.191 harris41 15161:
1.243 albertel 15162: =head1 PUBLIC SUBROUTINES
1.191 harris41 15163:
1.243 albertel 15164: =head2 Session Environment Functions
1.191 harris41 15165:
1.243 albertel 15166: =over 4
1.191 harris41 15167:
1.394 bowersj2 15168: =item *
15169: X<appenv()>
1.949 raeburn 15170: B<appenv($hashref,$rolesarrayref)>: the value of %{$hashref} is written to
1.394 bowersj2 15171: the user envirnoment file, and will be restored for each access this
1.620 albertel 15172: user makes during this session, also modifies the %env for the current
1.949 raeburn 15173: process. Optional rolesarrayref - if defined contains a reference to an array
15174: of roles which are exempt from the restriction on modifying user.role entries
15175: in the user's environment.db and in %env.
1.191 harris41 15176:
15177: =item *
1.394 bowersj2 15178: X<delenv()>
1.987 raeburn 15179: B<delenv($delthis,$regexp)>: removes all items from the session
15180: environment file that begin with $delthis. If the
15181: optional second arg - $regexp - is true, $delthis is treated as a
15182: regular expression, otherwise \Q$delthis\E is used.
15183: The values are also deleted from the current processes %env.
1.191 harris41 15184:
1.795 albertel 15185: =item * get_env_multiple($name)
15186:
15187: gets $name from the %env hash, it seemlessly handles the cases where multiple
15188: values may be defined and end up as an array ref.
15189:
15190: returns an array of values
15191:
1.243 albertel 15192: =back
15193:
15194: =head2 User Information
1.191 harris41 15195:
1.243 albertel 15196: =over 4
1.191 harris41 15197:
15198: =item *
1.394 bowersj2 15199: X<queryauthenticate()>
15200: B<queryauthenticate($uname,$udom)>: try to determine user's current
1.191 harris41 15201: authentication scheme
15202:
15203: =item *
1.394 bowersj2 15204: X<authenticate()>
1.1073 raeburn 15205: B<authenticate($uname,$upass,$udom,$checkdefauth,$clientcancheckhost)>: try to
1.394 bowersj2 15206: authenticate user from domain's lib servers (first use the current
15207: one). C<$upass> should be the users password.
1.1073 raeburn 15208: $checkdefauth is optional (value is 1 if a check should be made to
15209: authenticate user using default authentication method, and allow
15210: account creation if username does not have account in the domain).
15211: $clientcancheckhost is optional (value is 1 if checking whether the
15212: server can host will occur on the client side in lonauth.pm).
1.191 harris41 15213:
15214: =item *
1.394 bowersj2 15215: X<homeserver()>
15216: B<homeserver($uname,$udom)>: find the server which has
15217: the user's directory and files (there must be only one), this caches
15218: the answer, and also caches if there is a borken connection.
1.191 harris41 15219:
15220: =item *
1.394 bowersj2 15221: X<idget()>
1.1300 raeburn 15222: B<idget($udom,$idsref,$namespace)>: find the usernames behind either
15223: a list of student/employee IDs or clicker IDs
15224: (student/employee IDs are a unique resource in a domain, there must be
15225: only 1 ID per username, and only 1 username per ID in a specific domain).
15226: clickerIDs are not necessarily unique, as students might share clickers.
15227: (returns hash: id=>name,id=>name)
1.191 harris41 15228:
15229: =item *
1.394 bowersj2 15230: X<idrget()>
15231: B<idrget($udom,@unames)>: find the IDs behind a list of
15232: usernames (returns hash: name=>id,name=>id)
1.191 harris41 15233:
15234: =item *
1.394 bowersj2 15235: X<idput()>
1.1300 raeburn 15236: B<idput($udom,$idsref,$uhome,$namespace)>: store away a list of
15237: names and associated student/employee IDs or clicker IDs.
15238:
15239: =item *
15240: X<iddel()>
15241: B<iddel($udom,$idshashref,$uhome,$namespace)>: delete unwanted
15242: student/employee ID or clicker ID username look-ups from domain.
15243: The homeserver ($uhome) and namespace ($namespace) are optional.
15244: If no $uhome is provided, it will be determined usig &homeserver()
15245: for each user. If no $namespace is provided, the default is ids.
15246:
15247: =item *
15248: X<updateclickers()>
15249: B<updateclickers($udom,$action,$idshashref,$uhome,$critical)>: update
15250: clicker ID-to-username look-ups in clickers.db on library server.
15251: Permitted actions are add or del (i.e., add or delete). The
15252: clickers.db contains clickerID as keys (escaped), and each corresponding
15253: value is an escaped comma-separated list of usernames (for whom the
15254: library server is the homeserver), who registered that particular ID.
15255: If $critical is true, the update will be sent via &critical, otherwise
15256: &reply() will be used.
1.191 harris41 15257:
15258: =item *
1.394 bowersj2 15259: X<rolesinit()>
1.1169 droeschl 15260: B<rolesinit($udom,$username)>: get user privileges.
15261: returns user role, first access and timer interval hashes
1.243 albertel 15262:
15263: =item *
1.1171 droeschl 15264: X<privileged()>
15265: B<privileged($username,$domain)>: returns a true if user has a
15266: privileged and active role (i.e. su or dc), false otherwise.
15267:
15268: =item *
1.551 albertel 15269: X<getsection()>
15270: B<getsection($udom,$uname,$cname)>: finds the section of student in the
1.243 albertel 15271: course $cname, return section name/number or '' for "not in course"
15272: and '-1' for "no section"
15273:
15274: =item *
1.394 bowersj2 15275: X<userenvironment()>
15276: B<userenvironment($udom,$uname,@what)>: gets the values of the keys
1.243 albertel 15277: passed in @what from the requested user's environment, returns a hash
15278:
1.858 raeburn 15279: =item *
15280: X<userlog_query()>
1.859 albertel 15281: B<userlog_query($uname,$udom,%filters)>: retrieves data from a user's
15282: activity.log file. %filters defines filters applied when parsing the
15283: log file. These can be start or end timestamps, or the type of action
15284: - log to look for Login or Logout events, check for Checkin or
15285: Checkout, role for role selection. The response is in the form
15286: timestamp1:hostid1:event1×tamp2:hostid2:event2 where events are
15287: escaped strings of the action recorded in the activity.log file.
1.858 raeburn 15288:
1.243 albertel 15289: =back
15290:
15291: =head2 User Roles
15292:
15293: =over 4
15294:
15295: =item *
15296:
1.1284 raeburn 15297: allowed($priv,$uri,$symb,$role,$clientip,$noblockcheck) : check for a user privilege;
15298: returns codes for allowed actions.
15299:
15300: The first argument is required, all others are optional.
15301:
15302: $priv is the privilege being checked.
15303: $uri contains additional information about what is being checked for access (e.g.,
15304: URL, course ID etc.).
15305: $symb is the unique resource instance identifier in a course; if needed,
15306: but not provided, it will be retrieved via a call to &symbread().
15307: $role is the role for which a priv is being checked (only used if priv is evb).
15308: $clientip is the user's IP address (only used when checking for access to portfolio
15309: files).
15310: $noblockcheck, if true, skips calls to &has_comm_blocking() for the bre priv. This
15311: prevents recursive calls to &allowed.
15312:
1.243 albertel 15313: F: full access
15314: U,I,K: authentication modes (cxx only)
15315: '': forbidden
15316: 1: user needs to choose course
15317: 2: browse allowed
1.766 albertel 15318: A: passphrase authentication needed
1.1284 raeburn 15319: B: access temporarily blocked because of a blocking event in a course.
1.1402 raeburn 15320: D: access blocked because access is required via session initiated via deep-link
1.243 albertel 15321:
15322: =item *
15323:
1.1192 raeburn 15324: constructaccess($url,$setpriv) : check for access to construction space URL
15325:
15326: See if the owner domain and name in the URL match those in the
15327: expected environment. If so, return three element list
15328: ($ownername,$ownerdomain,$ownerhome).
15329:
15330: Otherwise return the null string.
15331:
15332: If second argument 'setpriv' is true, it assigns the privileges,
15333: and returns the same three element list, unless the owner has
15334: blocked "ad hoc" Domain Coordinator access to the Author Space,
15335: in which case the null string is returned.
15336:
15337: =item *
15338:
1.1326 raeburn 15339: definerole($rolename,$sysrole,$domrole,$courole,$uname,$udom) : define role;
15340: define a custom role rolename set privileges in format of lonTabs/roles.tab
15341: for system, domain, and course level. $uname and $udom are optional (current
15342: user's username and domain will be used when either of $uname or $udom are absent.
1.243 albertel 15343:
15344: =item *
15345:
1.988 raeburn 15346: plaintext($short,$type,$cid,$forcedefault) : return value in %prp hash
15347: (rolesplain.tab); plain text explanation of a user role term.
1.1008 raeburn 15348: $type is Course (default) or Community.
1.988 raeburn 15349: If $forcedefault evaluates to true, text returned will be default
15350: text for $type. Otherwise, if this is a course, the text returned
15351: will be a custom name for the role (if defined in the course's
15352: environment). If no custom name is defined the default is returned.
15353:
1.832 raeburn 15354: =item *
15355:
1.1219 raeburn 15356: get_my_roles($uname,$udom,$context,$types,$roles,$roledoms,$withsec,$hidepriv) :
1.858 raeburn 15357: All arguments are optional. Returns a hash of a roles, either for
15358: co-author/assistant author roles for a user's Construction Space
1.906 albertel 15359: (default), or if $context is 'userroles', roles for the user himself,
1.933 raeburn 15360: In the hash, keys are set to colon-separated $uname,$udom,$role, and
15361: (optionally) if $withsec is true, a fourth colon-separated item - $section.
15362: For each key, value is set to colon-separated start and end times for
15363: the role. If no username and domain are specified, will default to
1.934 raeburn 15364: current user/domain. Types, roles, and roledoms are references to arrays
1.858 raeburn 15365: of role statuses (active, future or previous), roles
15366: (e.g., cc,in, st etc.) and domains of the roles which can be used
15367: to restrict the list of roles reported. If no array ref is
15368: provided for types, will default to return only active roles.
1.834 albertel 15369:
1.1195 raeburn 15370: =item *
15371:
15372: in_course($udom,$uname,$cdom,$cnum,$type,$hideprivileged) : determine if
1.1196 raeburn 15373: user: $uname:$udom has a role in the course: $cdom_$cnum.
15374:
15375: Additional optional arguments are: $type (if role checking is to be restricted
15376: to certain user status types -- previous (expired roles), active (currently
1.1195 raeburn 15377: available roles) or future (roles available in the future), and
15378: $hideprivileged -- if true will not report course roles for users who
1.1219 raeburn 15379: have active Domain Coordinator role in course's domain or in additional
15380: domains (specified in 'Domains to check for privileged users' in course
15381: environment -- set via: Course Settings -> Classlists and staff listing).
15382:
15383: =item *
15384:
15385: privileged($username,$domain,$possdomains,$possroles) : returns 1 if user
15386: $username:$domain is a privileged user (e.g., Domain Coordinator or Super User)
15387: $possdomains and $possroles are optional array refs -- to domains to check and
15388: roles to check. If $possdomains is not specified, a dump will be done of the
15389: users' roles.db to check for a dc or su role in any domain. This can be
15390: time consuming if &privileged is called repeatedly (e.g., when displaying a
15391: classlist), so in such cases, supplying a $possdomains array is preferred, as
15392: this then allows &privileged_by_domain() to be used, which caches the identity
15393: of privileged users, eliminating the need for repeated calls to &dump().
15394:
15395: =item *
15396:
15397: privileged_by_domain($possdomains,$roles) : returns a hash of a hash of a hash,
15398: where the outer hash keys are domains specified in the $possdomains array ref,
15399: next inner hash keys are privileged roles specified in the $roles array ref,
15400: and the innermost hash contains key = value pairs for username:domain = end:start
15401: for active or future "privileged" users with that role in that domain. To avoid
15402: repeated dumps of domain roles -- via &get_domain_roles() -- contents of the
15403: innerhash are cached using priv_$role and $dom as the identifiers.
1.1195 raeburn 15404:
1.243 albertel 15405: =back
15406:
15407: =head2 User Modification
15408:
15409: =over 4
15410:
15411: =item *
15412:
1.957 raeburn 15413: assignrole($udom,$uname,$url,$role,$end,$start,$deleteflag,$selfenroll,$context) : assign role; give a role to a
1.243 albertel 15414: user for the level given by URL. Optional start and end dates (leave empty
15415: string or zero for "no date")
1.191 harris41 15416:
15417: =item *
15418:
1.243 albertel 15419: changepass($uname,$udom,$currentpass,$newpass,$server) : attempts to
15420: change a users, password, possible return values are: ok,
15421: pwchange_failure, non_authorized, auth_mode_error, unknown_user,
15422: refused
1.191 harris41 15423:
15424: =item *
15425:
1.243 albertel 15426: modifyuserauth($udom,$uname,$umode,$upass) : modify user authentication
1.191 harris41 15427:
15428: =item *
15429:
1.1058 raeburn 15430: modifyuser($udom,$uname,$uid,$umode,$upass,$first,$middle,$last, $gene,
15431: $forceid,$desiredhome,$email,$inststatus,$candelete) :
15432:
15433: will update user information (firstname,middlename,lastname,generation,
15434: permanentemail), and if forceid is true, student/employee ID also.
15435: A user's institutional affiliation(s) can also be updated.
15436: User information fields will not be overwritten with empty entries
15437: unless the field is included in the $candelete array reference.
15438: This array is included when a single user is modified via "Manage Users",
15439: or when Autoupdate.pl is run by cron in a domain.
1.191 harris41 15440:
15441: =item *
15442:
1.286 matthew 15443: modifystudent
15444:
1.957 raeburn 15445: modify a student's enrollment and identification information.
1.1235 raeburn 15446: The course id is resolved based on the current user's environment.
15447: This means the invoking user must be a course coordinator or otherwise
1.286 matthew 15448: associated with a course.
15449:
1.297 matthew 15450: This call is essentially a wrapper for lonnet::modifyuser and
15451: lonnet::modify_student_enrollment
1.286 matthew 15452:
15453: Inputs:
15454:
15455: =over 4
15456:
1.957 raeburn 15457: =item B<$udom> Student's loncapa domain
1.286 matthew 15458:
1.957 raeburn 15459: =item B<$uname> Student's loncapa login name
1.286 matthew 15460:
1.964 bisitz 15461: =item B<$uid> Student/Employee ID
1.286 matthew 15462:
1.957 raeburn 15463: =item B<$umode> Student's authentication mode
1.286 matthew 15464:
1.957 raeburn 15465: =item B<$upass> Student's password
1.286 matthew 15466:
1.957 raeburn 15467: =item B<$first> Student's first name
1.286 matthew 15468:
1.957 raeburn 15469: =item B<$middle> Student's middle name
1.286 matthew 15470:
1.957 raeburn 15471: =item B<$last> Student's last name
1.286 matthew 15472:
1.957 raeburn 15473: =item B<$gene> Student's generation
1.286 matthew 15474:
1.957 raeburn 15475: =item B<$usec> Student's section in course
1.286 matthew 15476:
15477: =item B<$end> Unix time of the roles expiration
15478:
15479: =item B<$start> Unix time of the roles start date
15480:
15481: =item B<$forceid> If defined, allow $uid to be changed
15482:
15483: =item B<$desiredhome> server to use as home server for student
15484:
1.957 raeburn 15485: =item B<$email> Student's permanent e-mail address
15486:
15487: =item B<$type> Type of enrollment (auto or manual)
15488:
1.963 raeburn 15489: =item B<$locktype> boolean - enrollment type locked to prevent Autoenroll.pl changing manual to auto
15490:
15491: =item B<$cid> courseID - needed if a course role is assigned by a user whose current role is DC
1.957 raeburn 15492:
1.963 raeburn 15493: =item B<$selfenroll> boolean - 1 if user role change occurred via self-enrollment
1.957 raeburn 15494:
1.963 raeburn 15495: =item B<$context> role change context (shown in User Management Logs display in a course)
1.957 raeburn 15496:
1.1216 raeburn 15497: =item B<$inststatus> institutional status of user - : separated string of escaped status types
15498:
15499: =item B<$credits> Number of credits student will earn from this class - only needs to be supplied if value needs to be different from default credits for class.
1.957 raeburn 15500:
1.286 matthew 15501: =back
1.297 matthew 15502:
15503: =item *
15504:
15505: modify_student_enrollment
15506:
1.1235 raeburn 15507: Change a student's enrollment status in a class. The environment variable
1.297 matthew 15508: 'role.request.course' must be defined for this function to proceed.
15509:
15510: Inputs:
15511:
15512: =over 4
15513:
1.1235 raeburn 15514: =item $udom, student's domain
1.297 matthew 15515:
1.1235 raeburn 15516: =item $uname, student's name
1.297 matthew 15517:
1.1235 raeburn 15518: =item $uid, student's user id
1.297 matthew 15519:
1.1235 raeburn 15520: =item $first, student's first name
1.297 matthew 15521:
15522: =item $middle
15523:
15524: =item $last
15525:
15526: =item $gene
15527:
15528: =item $usec
15529:
15530: =item $end
15531:
15532: =item $start
15533:
1.957 raeburn 15534: =item $type
15535:
15536: =item $locktype
15537:
15538: =item $cid
15539:
15540: =item $selfenroll
15541:
15542: =item $context
15543:
1.1216 raeburn 15544: =item $credits, number of credits student will earn from this class
15545:
1.1314 raeburn 15546: =item $instsec, institutional course section code for student
15547:
1.297 matthew 15548: =back
15549:
1.191 harris41 15550:
15551: =item *
15552:
1.243 albertel 15553: assigncustomrole($udom,$uname,$url,$rdom,$rnam,$rolename,$end,$start) : assign
15554: custom role; give a custom role to a user for the level given by URL. Specify
15555: name and domain of role author, and role name
1.191 harris41 15556:
15557: =item *
15558:
1.243 albertel 15559: revokerole($udom,$uname,$url,$role) : revoke a role for url
1.191 harris41 15560:
15561: =item *
15562:
1.243 albertel 15563: revokecustomrole($udom,$uname,$url,$role) : revoke a custom role
15564:
15565: =back
15566:
15567: =head2 Course Infomation
15568:
15569: =over 4
1.191 harris41 15570:
15571: =item *
15572:
1.1118 foxr 15573: coursedescription($courseid,$options) : returns a hash of information about the
1.631 albertel 15574: specified course id, including all environment settings for the
15575: course, the description of the course will be in the hash under the
15576: key 'description'
1.191 harris41 15577:
1.1118 foxr 15578: $options is an optional parameter that if supplied is a hash reference that controls
15579: what how this function works. It has the following key/values:
15580:
15581: =over 4
15582:
15583: =item freshen_cache
15584:
15585: If defined, and the environment cache for the course is valid, it is
15586: returned in the returned hash.
15587:
15588: =item one_time
15589:
15590: If defined, the last cache time is set to _now_
15591:
15592: =item user
15593:
15594: If defined, the supplied username is used instead of the current user.
15595:
15596:
15597: =back
15598:
1.191 harris41 15599: =item *
15600:
1.624 albertel 15601: resdata($name,$domain,$type,@which) : request for current parameter
15602: setting for a specific $type, where $type is either 'course' or 'user',
15603: @what should be a list of parameters to ask about. This routine caches
1.1235 raeburn 15604: answers for 10 minutes.
1.243 albertel 15605:
1.877 foxr 15606: =item *
15607:
15608: get_courseresdata($courseid, $domain) : dump the entire course resource
15609: data base, returning a hash that is keyed by the resource name and has
15610: values that are the resource value. I believe that the timestamps and
15611: versions are also returned.
15612:
1.1236 raeburn 15613: get_numsuppfiles($cnum,$cdom) : retrieve number of files in a course's
15614: supplemental content area. This routine caches the number of files for
15615: 10 minutes.
15616:
1.243 albertel 15617: =back
15618:
15619: =head2 Course Modification
15620:
15621: =over 4
1.191 harris41 15622:
15623: =item *
15624:
1.243 albertel 15625: writecoursepref($courseid,%prefs) : write preferences (environment
15626: database) for a course
1.191 harris41 15627:
15628: =item *
15629:
1.1011 raeburn 15630: createcourse($udom,$description,$url,$course_server,$nonstandard,$inst_code,$course_owner,$crstype,$cnum) : make course
15631:
15632: =item *
15633:
1.1038 raeburn 15634: generate_coursenum($udom,$crstype) : get a unique (unused) course number in domain $udom for course type $crstype (Course or Community).
1.243 albertel 15635:
1.1167 droeschl 15636: =item *
15637:
15638: is_course($courseid), is_course($cdom, $cnum)
15639:
15640: Accepts either a combined $courseid (in the form of domain_courseid) or the
15641: two component version $cdom, $cnum. It checks if the specified course exists.
15642:
15643: Returns:
15644: undef if the course doesn't exist, otherwise
15645: in scalar context the combined courseid.
15646: in list context the two components of the course identifier, domain and
15647: courseid.
15648:
1.243 albertel 15649: =back
15650:
1.1401 raeburn 15651: =head2 Bubblesheet Configuration
15652:
15653: =over 4
15654:
15655: =item *
15656:
15657: get_scantron_config($which)
15658:
15659: $which - the name of the configuration to parse from the file.
15660:
15661: Parses and returns the bubblesheet configuration line selected as a
15662: hash of configuration file fields.
15663:
15664:
15665: Returns:
15666: If the named configuration is not in the file, an empty
15667: hash is returned.
15668:
15669: a hash with the fields
15670: name - internal name for the this configuration setup
15671: description - text to display to operator that describes this config
15672: CODElocation - if 0 or the string 'none'
15673: - no CODE exists for this config
15674: if -1 || the string 'letter'
15675: - a CODE exists for this config and is
15676: a string of letters
15677: Unsupported value (but planned for future support)
15678: if a positive integer
15679: - The CODE exists as the first n items from
15680: the question section of the form
15681: if the string 'number'
15682: - The CODE exists for this config and is
15683: a string of numbers
15684: CODEstart - (only matter if a CODE exists) column in the line where
15685: the CODE starts
15686: CODElength - length of the CODE
15687: IDstart - column where the student/employee ID starts
15688: IDlength - length of the student/employee ID info
15689: Qstart - column where the information from the bubbled
15690: 'questions' start
15691: Qlength - number of columns comprising a single bubble line from
15692: the sheet. (usually either 1 or 10)
15693: Qon - either a single character representing the character used
15694: to signal a bubble was chosen in the positional setup, or
15695: the string 'letter' if the letter of the chosen bubble is
15696: in the final, or 'number' if a number representing the
15697: chosen bubble is in the file (1->A 0->J)
15698: Qoff - the character used to represent that a bubble was
15699: left blank
15700: PaperID - if the scanning process generates a unique number for each
15701: sheet scanned the column that this ID number starts in
15702: PaperIDlength - number of columns that comprise the unique ID number
15703: for the sheet of paper
15704: FirstName - column that the first name starts in
15705: FirstNameLength - number of columns that the first name spans
15706: LastName - column that the last name starts in
15707: LastNameLength - number of columns that the last name spans
15708: BubblesPerRow - number of bubbles available in each row used to
15709: bubble an answer. (If not specified, 10 assumed).
15710:
15711:
15712: =item *
15713:
15714: get_scantronformat_file($cdom)
15715:
15716: $cdom - the course's domain (optional); if not supplied, uses
15717: domain for current $env{'request.course.id'}.
15718:
15719: Returns an array containing lines from the scantron format file for
15720: the domain of the course.
15721:
15722: If a url for a custom.tab file is listed in domain's configuration.db,
15723: lines are from this file.
15724:
15725: Otherwise, if a default.tab has been published in RES space by the
15726: domainconfig user, lines are from this file.
15727:
15728: Otherwise, fall back to getting lines from the legacy file on the
15729: local server: /home/httpd/lonTabs/default_scantronformat.tab
15730:
15731: =back
15732:
1.243 albertel 15733: =head2 Resource Subroutines
15734:
15735: =over 4
1.191 harris41 15736:
15737: =item *
15738:
1.243 albertel 15739: subscribe($fname) : subscribe to a resource, returns URL if possible (probably should use repcopy instead)
1.191 harris41 15740:
15741: =item *
15742:
1.243 albertel 15743: repcopy($filename) : subscribes to the requested file, and attempts to
15744: replicate from the owning library server, Might return
1.607 raeburn 15745: 'unavailable', 'not_found', 'forbidden', 'ok', or
15746: 'bad_request', also attempts to grab the metadata for the
1.243 albertel 15747: resource. Expects the local filesystem pathname
15748: (/home/httpd/html/res/....)
15749:
15750: =back
15751:
15752: =head2 Resource Information
15753:
15754: =over 4
1.191 harris41 15755:
15756: =item *
15757:
1.1228 raeburn 15758: EXT($varname,$symb,$udom,$uname,$usection,$recurse,$cid) : evaluates
15759: and returns the value of a variety of different possible values,
15760: $varname should be a request string, and the other parameters can be
15761: used to specify who and what one is asking about. Ordinarily, $cid
15762: does not need to be specified, as it is retrived from
15763: $env{'request.course.id'}, but &Apache::lonnet::EXT() is called
15764: within lonuserstate::loadmap() when initializing a course, before
15765: $env{'request.course.id'} has been set, so it needs to be provided
15766: in that one case.
1.243 albertel 15767:
15768: Possible values for $varname are environment.lastname (or other item
15769: from the envirnment hash), user.name (or someother aspect about the
15770: user), resource.0.maxtries (or some other part and parameter of a
15771: resource)
1.204 albertel 15772:
15773: =item *
15774:
1.243 albertel 15775: directcondval($number) : get current value of a condition; reads from a state
15776: string
1.204 albertel 15777:
15778: =item *
15779:
1.243 albertel 15780: condval($condidx) : value of condition index based on state
1.204 albertel 15781:
15782: =item *
15783:
1.1362 raeburn 15784: metadata($uri,$what,$toolsymb,$liburi,$prefix,$depthcount) : request a
1.243 albertel 15785: resource's metadata, $what should be either a specific key, or either
15786: 'keys' (to get a list of possible keys) or 'packages' to get a list of
1.1362 raeburn 15787: packages that this resource currently uses, the last 3 arguments are
15788: only used internally for recursive metadata.
15789:
15790: the toolsymb is only used where the uri is for an external tool (for which
15791: the uri as well as the symb are guaranteed to be unique).
1.243 albertel 15792:
1.1371 raeburn 15793: this function automatically caches all requests except any made recursively
15794: to retrieve a list of metadata keys for an imported library file ($liburi is
15795: defined).
1.191 harris41 15796:
15797: =item *
15798:
1.243 albertel 15799: metadata_query($query,$custom,$customshow) : make a metadata query against the
15800: network of library servers; returns file handle of where SQL and regex results
15801: will be stored for query
1.191 harris41 15802:
15803: =item *
15804:
1.1282 raeburn 15805: symbread($filename,$donotrecurse,$ignorecachednull,$checkforblock,$possibles) :
15806: return symbolic list entry (all arguments optional).
15807:
15808: Args: filename is the filename (including path) for the file for which a symb
15809: is required; donotrecurse, if true will prevent calls to allowed() being made
15810: to check access status if more than one resource was found in the bighash
15811: (see rev. 1.249) to avoid an infinite loop if an ambiguous resource is part of
15812: a randompick); ignorecachednull, if true will prevent a symb of '' being
15813: returned if $env{$cache_str} is defined as ''; checkforblock if true will
15814: cause possible symbs to be checked to determine if they are subject to content
15815: blocking, if so they will not be included as possible symbs; possibles is a
15816: ref to a hash, which, as a side effect, will be populated with all possible
15817: symbs (content blocking not tested).
15818:
1.243 albertel 15819: returns the data handle
1.191 harris41 15820:
15821: =item *
15822:
1.1190 raeburn 15823: symbverify($symb,$thisfn,$encstate) : verifies that $symb actually exists
15824: and is a possible symb for the URL in $thisfn, and if is an encrypted
1.582 albertel 15825: resource that the user accessed using /enc/ returns a 1 on success, 0
1.1190 raeburn 15826: on failure, user must be in a course, as it assumes the existence of
15827: the course initial hash, and uses $env('request.course.id'}. The third
15828: arg is an optional reference to a scalar. If this arg is passed in the
15829: call to symbverify, it will be set to 1 if the symb has been set to be
15830: encrypted; otherwise it will be null.
1.191 harris41 15831:
15832: =item *
15833:
1.243 albertel 15834: symbclean($symb) : removes versions numbers from a symb, returns the
15835: cleaned symb
1.191 harris41 15836:
15837: =item *
15838:
1.243 albertel 15839: is_on_map($uri) : checks if the $uri is somewhere on the current
15840: course map, user must be in a course for it to work.
1.191 harris41 15841:
15842: =item *
15843:
1.243 albertel 15844: numval($salt) : return random seed value (addend for rndseed)
1.191 harris41 15845:
15846: =item *
15847:
1.243 albertel 15848: rndseed($symb,$courseid,$udom,$uname) : create a random sum; returns
15849: a random seed, all arguments are optional, if they aren't sent it uses the
15850: environment to derive them. Note: if symb isn't sent and it can't get one
15851: from &symbread it will use the current time as its return value
1.191 harris41 15852:
15853: =item *
15854:
1.243 albertel 15855: ireceipt($funame,$fudom,$fucourseid,$fusymb) : return unique,
15856: unfakeable, receipt
1.191 harris41 15857:
15858: =item *
15859:
1.620 albertel 15860: receipt() : API to ireceipt working off of env values; given out to users
1.191 harris41 15861:
15862: =item *
15863:
1.243 albertel 15864: countacc($url) : count the number of accesses to a given URL
1.191 harris41 15865:
15866: =item *
15867:
1.243 albertel 15868: checkout($symb,$tuname,$tudom,$tcrsid) : creates a record of a user having looked at an item, most likely printed out or otherwise using a resource
1.191 harris41 15869:
15870: =item *
15871:
1.243 albertel 15872: checkin($token) : updates that a resource has beeen returned (a hard copy version for instance) and returns the data that $token was Checkout with ($symb, $tuname, $tudom, and $tcrsid)
1.191 harris41 15873:
15874: =item *
15875:
1.243 albertel 15876: expirespread($uname,$udom,$stype,$usymb) : set expire date for spreadsheet
1.191 harris41 15877:
15878: =item *
15879:
1.243 albertel 15880: devalidate($symb) : devalidate temporary spreadsheet calculations,
15881: forcing spreadsheet to reevaluate the resource scores next time.
15882:
1.1195 raeburn 15883: =item *
15884:
1.1196 raeburn 15885: can_edit_resource($file,$cnum,$cdom,$resurl,$symb,$group) : determine if current user can edit a particular resource,
15886: when viewing in course context.
1.1195 raeburn 15887:
1.1196 raeburn 15888: input: six args -- filename (decluttered), course number, course domain,
15889: url, symb (if registered) and group (if this is a
15890: group item -- e.g., bulletin board, group page etc.).
1.1195 raeburn 15891:
1.1196 raeburn 15892: output: array of five scalars --
1.1195 raeburn 15893: $cfile -- url for file editing if editable on current server
15894: $home -- homeserver of resource (i.e., for author if published,
15895: or course if uploaded.).
15896: $switchserver -- 1 if server switch will be needed.
1.1196 raeburn 15897: $forceedit -- 1 if icon/link should be to go to edit mode
15898: $forceview -- 1 if icon/link should be to go to view mode
1.1195 raeburn 15899:
15900: =item *
15901:
15902: is_course_upload($file,$cnum,$cdom)
15903:
15904: Used in course context to determine if current file was uploaded to
15905: the course (i.e., would be found in /userfiles/docs on the course's
15906: homeserver.
15907:
15908: input: 3 args -- filename (decluttered), course number and course domain.
15909: output: boolean -- 1 if file was uploaded.
15910:
1.243 albertel 15911: =back
15912:
15913: =head2 Storing/Retreiving Data
15914:
15915: =over 4
1.191 harris41 15916:
15917: =item *
15918:
1.1269 raeburn 15919: store($storehash,$symb,$namespace,$udom,$uname,$laststore) : stores hash
15920: permanently for this url; hashref needs to be given and should be a \%hashname;
15921: the remaining args aren't required and if they aren't passed or are '' they will
15922: be derived from the env (with the exception of $laststore, which is an
15923: optional arg used when a user's submission is stored in grading).
15924: $laststore is $version=$timestamp, where $version is the most recent version
15925: number retrieved for the corresponding $symb in the $namespace db file, and
15926: $timestamp is the timestamp for that transaction (UNIX time).
15927: $laststore is currently only passed when cstore() is called by
15928: structuretags::finalize_storage().
1.191 harris41 15929:
15930: =item *
15931:
1.1269 raeburn 15932: cstore($storehash,$symb,$namespace,$udom,$uname,$laststore) : same as store
15933: but uses critical subroutine
1.191 harris41 15934:
15935: =item *
15936:
1.243 albertel 15937: restore($symb,$namespace,$udom,$uname) : returns hash for this symb;
15938: all args are optional
1.191 harris41 15939:
15940: =item *
15941:
1.717 albertel 15942: dumpstore($namespace,$udom,$uname,$regexp,$range) :
15943: dumps the complete (or key matching regexp) namespace into a hash
15944: ($udom, $uname, $regexp, $range are optional) for a namespace that is
15945: normally &store()ed into
15946:
15947: $range should be either an integer '100' (give me the first 100
15948: matching records)
15949: or be two integers sperated by a - with no spaces
15950: '30-50' (give me the 30th through the 50th matching
15951: records)
15952:
15953:
15954: =item *
15955:
1.1269 raeburn 15956: putstore($namespace,$symb,$version,$storehash,$udomain,$uname,$tolog) :
1.717 albertel 15957: replaces a &store() version of data with a replacement set of data
15958: for a particular resource in a namespace passed in the $storehash hash
1.1269 raeburn 15959: reference. If $tolog is true, the transaction is logged in the courselog
15960: with an action=PUTSTORE.
1.717 albertel 15961:
15962: =item *
15963:
1.243 albertel 15964: tmpstore($storehash,$symb,$namespace,$udom,$uname) : storage that
15965: works very similar to store/cstore, but all data is stored in a
15966: temporary location and can be reset using tmpreset, $storehash should
15967: be a hash reference, returns nothing on success
1.191 harris41 15968:
15969: =item *
15970:
1.243 albertel 15971: tmprestore($symb,$namespace,$udom,$uname) : storage that works very
15972: similar to restore, but all data is stored in a temporary location and
15973: can be reset using tmpreset. Returns a hash of values on success,
15974: error string otherwise.
1.191 harris41 15975:
15976: =item *
15977:
1.243 albertel 15978: tmpreset($symb,$namespace,$udom,$uname) : temporary storage reset,
15979: deltes all keys for $symb form the temporary storage hash.
1.191 harris41 15980:
15981: =item *
15982:
1.243 albertel 15983: get($namespace,$storearr,$udom,$uname) : returns hash with keys from array
15984: reference filled in from namesp ($udom and $uname are optional)
1.191 harris41 15985:
15986: =item *
15987:
1.243 albertel 15988: del($namespace,$storearr,$udom,$uname) : deletes keys out of array from
15989: namesp ($udom and $uname are optional)
1.191 harris41 15990:
15991: =item *
15992:
1.702 albertel 15993: dump($namespace,$udom,$uname,$regexp,$range) :
1.243 albertel 15994: dumps the complete (or key matching regexp) namespace into a hash
1.702 albertel 15995: ($udom, $uname, $regexp, $range are optional)
1.449 matthew 15996:
1.702 albertel 15997: $range should be either an integer '100' (give me the first 100
15998: matching records)
15999: or be two integers sperated by a - with no spaces
16000: '30-50' (give me the 30th through the 50th matching
16001: records)
1.449 matthew 16002: =item *
16003:
16004: inc($namespace,$store,$udom,$uname) : increments $store in $namespace.
16005: $store can be a scalar, an array reference, or if the amount to be
16006: incremented is > 1, a hash reference.
16007:
16008: ($udom and $uname are optional)
1.191 harris41 16009:
16010: =item *
16011:
1.243 albertel 16012: put($namespace,$storehash,$udom,$uname) : stores hash in namesp
16013: ($udom and $uname are optional)
1.191 harris41 16014:
16015: =item *
16016:
1.243 albertel 16017: cput($namespace,$storehash,$udom,$uname) : critical put
16018: ($udom and $uname are optional)
1.191 harris41 16019:
16020: =item *
16021:
1.748 albertel 16022: newput($namespace,$storehash,$udom,$uname) :
16023:
16024: Attempts to store the items in the $storehash, but only if they don't
16025: currently exist, if this succeeds you can be certain that you have
16026: successfully created a new key value pair in the $namespace db.
16027:
16028:
16029: Args:
16030: $namespace: name of database to store values to
16031: $storehash: hashref to store to the db
16032: $udom: (optional) domain of user containing the db
16033: $uname: (optional) name of user caontaining the db
16034:
16035: Returns:
16036: 'ok' -> succeeded in storing all keys of $storehash
16037: 'key_exists: <key>' -> failed to anything out of $storehash, as at
16038: least <key> already existed in the db (other
16039: requested keys may also already exist)
1.967 bisitz 16040: 'error: <msg>' -> unable to tie the DB or other error occurred
1.748 albertel 16041: 'con_lost' -> unable to contact request server
16042: 'refused' -> action was not allowed by remote machine
16043:
16044:
16045: =item *
16046:
1.243 albertel 16047: eget($namespace,$storearr,$udom,$uname) : returns hash with keys from array
16048: reference filled in from namesp (encrypts the return communication)
16049: ($udom and $uname are optional)
1.191 harris41 16050:
16051: =item *
16052:
1.243 albertel 16053: log($udom,$name,$home,$message) : write to permanent log for user; use
16054: critical subroutine
16055:
1.806 raeburn 16056: =item *
16057:
1.860 raeburn 16058: get_dom($namespace,$storearr,$udom,$uhome) : returns hash with keys from
16059: array reference filled in from namespace found in domain level on either
16060: specified domain server ($uhome) or primary domain server ($udom and $uhome are optional).
1.806 raeburn 16061:
16062: =item *
16063:
1.860 raeburn 16064: put_dom($namespace,$storehash,$udom,$uhome) : stores hash in namespace at
16065: domain level either on specified domain server ($uhome) or primary domain
16066: server ($udom and $uhome are optional)
1.806 raeburn 16067:
1.943 raeburn 16068: =item *
16069:
1.1240 raeburn 16070: get_domain_defaults($target_domain,$ignore_cache) : returns hash with defaults
16071: for: authentication, language, quotas, timezone, date locale, and portal URL in
16072: the target domain.
16073:
16074: May also include additional key => value pairs for the following groups:
16075:
16076: =over
16077:
16078: =item
16079: disk quotas (MB allocated by default to portfolios and authoring spaces).
16080:
16081: =over
16082:
16083: =item defaultquota, authorquota
16084:
16085: =back
16086:
16087: =item
16088: tools (availability of aboutme page, blog, webDAV access for authoring spaces,
16089: portfolio for users).
16090:
16091: =over
16092:
16093: =item
16094: aboutme, blog, webdav, portfolio
16095:
16096: =back
16097:
16098: =item
16099: requestcourses: ability to request courses, and how requests are processed.
16100:
16101: =over
16102:
16103: =item
1.1305 raeburn 16104: official, unofficial, community, textbook, placement
1.1240 raeburn 16105:
16106: =back
16107:
16108: =item
16109: inststatus: types of institutional affiliation, and order in which they are displayed.
16110:
16111: =over
16112:
16113: =item
1.1256 raeburn 16114: inststatustypes, inststatusorder, inststatusguest
1.1240 raeburn 16115:
16116: =back
16117:
16118: =item
16119: coursedefaults: can PDF forms can be created, default credits for courses, default quotas (MB)
16120: for course's uploaded content.
16121:
16122: =over
16123:
16124: =item
1.1246 raeburn 16125: canuse_pdfforms, officialcredits, unofficialcredits, textbookcredits, officialquota, unofficialquota,
1.1305 raeburn 16126: communityquota, textbookquota, placementquota
1.1240 raeburn 16127:
16128: =back
16129:
16130: =item
16131: usersessions: set options for hosting of your users in other domains, and hosting of users from other domains
16132: on your servers.
16133:
16134: =over
16135:
16136: =item
16137: remotesessions, hostedsessions
16138:
16139: =back
16140:
16141: =back
16142:
16143: In cases where a domain coordinator has never used the "Set Domain Configuration"
16144: utility to create a configuration.db file on a domain's primary library server
16145: only the following domain defaults: auth_def, auth_arg_def, lang_def
16146: -- corresponding values are authentication type (internal, krb4, krb5,
16147: or localauth), initial password or a kerberos realm, language (e.g., en-us) --
16148: will be available. Values are retrieved from cache (if current), unless the
16149: optional $ignore_cache arg is true, or from domain's configuration.db (if available),
16150: or lastly from values in lonTabs/dns_domain,tab, or lonTabs/domain.tab.
16151:
16152: Typical usage:
1.943 raeburn 16153:
1.1240 raeburn 16154: %domdefaults = &get_domain_defaults($target_domain);
1.943 raeburn 16155:
1.243 albertel 16156: =back
16157:
16158: =head2 Network Status Functions
16159:
16160: =over 4
1.191 harris41 16161:
16162: =item *
16163:
1.1137 raeburn 16164: dirlist() : return directory list based on URI (first arg).
16165:
16166: Inputs: 1 required, 5 optional.
16167:
16168: =over
16169:
16170: =item
16171: $uri - path to file in filesystem (starts: /res or /userfiles/). Required.
16172:
16173: =item
16174: $userdomain - domain of user/course to be listed. Extracted from $uri if absent.
16175:
16176: =item
16177: $username - username of user/course to be listed. Extracted from $uri if absent.
16178:
16179: =item
16180: $getpropath - boolean: 1 if prepend path using &propath().
16181:
16182: =item
16183: $getuserdir - boolean: 1 if prepend path for "userfiles".
16184:
16185: =item
16186: $alternateRoot - path to prepend in place of path from $uri.
16187:
16188: =back
16189:
16190: Returns: Array of up to two items.
16191:
16192: =over
16193:
16194: a reference to an array of files/subdirectories
16195:
16196: =over
16197:
16198: Each element in the array of files/subdirectories is a & separated list of
16199: item name and the result of running stat on the item. If dirlist was requested
16200: for a file instead of a directory, the item name will be ''. For a directory
16201: listing, if the item is a metadata file, the element will end &N&M
16202: (where N amd M are either 0 or 1, corresponding to obsolete set (1), or
16203: default copyright set (1).
16204:
16205: =back
16206:
16207: a scalar containing error condition (if encountered).
16208:
16209: =over
16210:
16211: =item
16212: no_host (no homeserver identified for $username:$domain).
16213:
16214: =item
16215: no_such_host (server contacted for listing not identified as valid host).
16216:
16217: =item
16218: con_lost (connection to remote server failed).
16219:
16220: =item
16221: refused (invalid $username:$domain received on lond side).
16222:
16223: =item
16224: no_such_dir (directory at specified path on lond side does not exist).
16225:
16226: =item
16227: empty (directory at specified path on lond side is empty).
16228:
16229: =over
16230:
16231: This is currently not encountered because the &ls3, &ls2,
16232: &ls (_handler) routines on the lond side do not filter out
16233: . and .. from a directory listing.
16234:
16235: =back
16236:
16237: =back
16238:
16239: =back
1.191 harris41 16240:
16241: =item *
16242:
1.243 albertel 16243: spareserver() : find server with least workload from spare.tab
16244:
1.986 foxr 16245:
16246: =item *
16247:
16248: host_from_dns($dns) : Returns the loncapa hostname corresponding to a DNS name or undef
16249: if there is no corresponding loncapa host.
16250:
1.243 albertel 16251: =back
16252:
1.986 foxr 16253:
1.243 albertel 16254: =head2 Apache Request
16255:
16256: =over 4
1.191 harris41 16257:
16258: =item *
16259:
1.243 albertel 16260: ssi($url,%hash) : server side include, does a complete request cycle on url to
16261: localhost, posts hash
16262:
16263: =back
16264:
16265: =head2 Data to String to Data
16266:
16267: =over 4
1.191 harris41 16268:
16269: =item *
16270:
1.243 albertel 16271: hash2str(%hash) : convert a hash into a string complete with escaping and '='
16272: and '&' separators, supports elements that are arrayrefs and hashrefs
1.191 harris41 16273:
16274: =item *
16275:
1.243 albertel 16276: hashref2str($hashref) : convert a hashref into a string complete with
16277: escaping and '=' and '&' separators, supports elements that are
16278: arrayrefs and hashrefs
1.191 harris41 16279:
16280: =item *
16281:
1.243 albertel 16282: arrayref2str($arrayref) : convert an arrayref into a string complete
16283: with escaping and '&' separators, supports elements that are arrayrefs
16284: and hashrefs
1.191 harris41 16285:
16286: =item *
16287:
1.243 albertel 16288: str2hash($string) : convert string to hash using unescaping and
16289: splitting on '=' and '&', supports elements that are arrayrefs and
16290: hashrefs
1.191 harris41 16291:
16292: =item *
16293:
1.243 albertel 16294: str2array($string) : convert string to hash using unescaping and
16295: splitting on '&', supports elements that are arrayrefs and hashrefs
16296:
16297: =back
16298:
16299: =head2 Logging Routines
16300:
16301:
16302: These routines allow one to make log messages in the lonnet.log and
16303: lonnet.perm logfiles.
1.191 harris41 16304:
1.1119 foxr 16305: =over 4
16306:
1.191 harris41 16307: =item *
16308:
1.243 albertel 16309: logtouch() : make sure the logfile, lonnet.log, exists
1.191 harris41 16310:
16311: =item *
16312:
1.243 albertel 16313: logthis() : append message to the normal lonnet.log file, it gets
16314: preiodically rolled over and deleted.
1.191 harris41 16315:
16316: =item *
16317:
1.243 albertel 16318: logperm() : append a permanent message to lonnet.perm.log, this log
16319: file never gets deleted by any automated portion of the system, only
16320: messages of critical importance should go in here.
16321:
1.1119 foxr 16322:
1.243 albertel 16323: =back
16324:
16325: =head2 General File Helper Routines
16326:
16327: =over 4
1.191 harris41 16328:
16329: =item *
16330:
1.481 raeburn 16331: getfile($file,$caller) : two cases - requests for files in /res or in /uploaded.
16332: (a) files in /uploaded
16333: (i) If a local copy of the file exists -
16334: compares modification date of local copy with last-modified date for
16335: definitive version stored on home server for course. If local copy is
16336: stale, requests a new version from the home server and stores it.
16337: If the original has been removed from the home server, then local copy
16338: is unlinked.
16339: (ii) If local copy does not exist -
16340: requests the file from the home server and stores it.
16341:
16342: If $caller is 'uploadrep':
16343: This indicates a call from lonuploadrep.pm (PerlHeaderParserHandler phase)
16344: for request for files originally uploaded via DOCS.
16345: - returns 'ok' if fresh local copy now available, -1 otherwise.
16346:
16347: Otherwise:
16348: This indicates a call from the content generation phase of the request.
16349: - returns the entire contents of the file or -1.
16350:
16351: (b) files in /res
16352: - returns the entire contents of a file or -1;
16353: it properly subscribes to and replicates the file if neccessary.
1.191 harris41 16354:
1.712 albertel 16355:
16356: =item *
16357:
16358: stat_file($url) : $url is expected to be a /res/ or /uploaded/ style file
16359: reference
16360:
16361: returns either a stat() list of data about the file or an empty list
16362: if the file doesn't exist or couldn't find out about it (connection
16363: problems or user unknown)
16364:
1.191 harris41 16365: =item *
16366:
1.243 albertel 16367: filelocation($dir,$file) : returns file system location of a file
16368: based on URI; meant to be "fairly clean" absolute reference, $dir is a
16369: directory that relative $file lookups are to looked in ($dir of /a/dir
16370: and a file of ../bob will become /a/bob)
1.191 harris41 16371:
16372: =item *
16373:
16374: hreflocation($dir,$file) : returns file system location or a URL; same as
16375: filelocation except for hrefs
16376:
16377: =item *
16378:
1.1261 raeburn 16379: declutter() : declutters URLs -- remove beginning slashes, 'res' etc.
16380: also removes beginning /home/httpd/html unless /priv/ follows it.
1.191 harris41 16381:
1.243 albertel 16382: =back
16383:
1.608 albertel 16384: =head2 Usererfile file routines (/uploaded*)
16385:
16386: =over 4
16387:
16388: =item *
16389:
16390: userfileupload(): main rotine for putting a file in a user or course's
16391: filespace, arguments are,
16392:
1.620 albertel 16393: formname - required - this is the name of the element in $env where the
1.608 albertel 16394: filename, and the contents of the file to create/modifed exist
1.620 albertel 16395: the filename is in $env{'form.'.$formname.'.filename'} and the
16396: contents of the file is located in $env{'form.'.$formname}
1.1090 raeburn 16397: context - if coursedoc, store the file in the course of the active role
16398: of the current user;
16399: if 'existingfile': store in 'overwrites' in /home/httpd/perl/tmp
16400: if 'canceloverwrite': delete file in tmp/overwrites directory
1.608 albertel 16401: subdir - required - subdirectory to put the file in under ../userfiles/
16402: if undefined, it will be placed in "unknown"
16403:
16404: (This routine calls clean_filename() to remove any dangerous
16405: characters from the filename, and then calls finuserfileupload() to
16406: complete the transaction)
16407:
16408: returns either the url of the uploaded file (/uploaded/....) if successful
16409: and /adm/notfound.html if unsuccessful
16410:
16411: =item *
16412:
16413: clean_filename(): routine for cleaing a filename up for storage in
16414: userfile space, argument is:
16415:
16416: filename - proposed filename
16417:
16418: returns: the new clean filename
16419:
16420: =item *
16421:
1.1090 raeburn 16422: finishuserfileupload(): routine that creates and sends the file to
1.608 albertel 16423: userspace, probably shouldn't be called directly
16424:
16425: docuname: username or courseid of destination for the file
16426: docudom: domain of user/course of destination for the file
16427: formname: same as for userfileupload()
1.1090 raeburn 16428: fname: filename (including subdirectories) for the file
16429: parser: if 'parse', will parse (html) file to extract references to objects, links etc.
1.1401 raeburn 16430: if hashref, and context is scantron, will convert csv format to standard format
1.1090 raeburn 16431: allfiles: reference to hash used to store objects found by parser
16432: codebase: reference to hash used for codebases of java objects found by parser
16433: thumbwidth: width (pixels) of thumbnail to be created for uploaded image
16434: thumbheight: height (pixels) of thumbnail to be created for uploaded image
16435: resizewidth: width to be used to resize image using resizeImage from ImageMagick
16436: resizeheight: height to be used to resize image using resizeImage from ImageMagick
16437: context: if 'overwrite', will move the uploaded file from its temporary location to
16438: userfiles to facilitate overwriting a previously uploaded file with same name.
1.1095 raeburn 16439: mimetype: reference to scalar to accommodate mime type determined
16440: from File::MMagic if $parser = parse.
1.608 albertel 16441:
16442: returns either the url of the uploaded file (/uploaded/....) if successful
1.1090 raeburn 16443: and /adm/notfound.html if unsuccessful (or an error message if context
16444: was 'overwrite').
16445:
1.608 albertel 16446:
16447: =item *
16448:
16449: renameuserfile(): renames an existing userfile to a new name
16450:
16451: Args:
16452: docuname: username or courseid of destination for the file
16453: docudom: domain of user/course of destination for the file
16454: old: current file name (including any subdirs under userfiles)
16455: new: desired file name (including any subdirs under userfiles)
16456:
16457: =item *
16458:
16459: mkdiruserfile(): creates a directory is a userfiles dir
16460:
16461: Args:
16462: docuname: username or courseid of destination for the file
16463: docudom: domain of user/course of destination for the file
16464: dir: dir to create (including any subdirs under userfiles)
16465:
16466: =item *
16467:
16468: removeuserfile(): removes a file that exists in userfiles
16469:
16470: Args:
16471: docuname: username or courseid of destination for the file
16472: docudom: domain of user/course of destination for the file
16473: fname: filname to delete (including any subdirs under userfiles)
16474:
16475: =item *
16476:
16477: removeuploadedurl(): convience function for removeuserfile()
16478:
16479: Args:
16480: url: a full /uploaded/... url to delete
16481:
1.747 albertel 16482: =item *
16483:
16484: get_portfile_permissions():
16485: Args:
16486: domain: domain of user or course contain the portfolio files
16487: user: name of user or num of course contain the portfolio files
16488: Returns:
16489: hashref of a dump of the proper file_permissions.db
16490:
16491:
16492: =item *
16493:
16494: get_access_controls():
16495:
16496: Args:
16497: current_permissions: the hash ref returned from get_portfile_permissions()
16498: group: (optional) the group you want the files associated with
16499: file: (optional) the file you want access info on
16500:
16501: Returns:
1.749 raeburn 16502: a hash (keys are file names) of hashes containing
16503: keys are: path to file/file_name\0uniqueID:scope_end_start (see below)
16504: values are XML containing access control settings (see below)
1.747 albertel 16505:
16506: Internal notes:
16507:
1.749 raeburn 16508: access controls are stored in file_permissions.db as key=value pairs.
16509: key -> path to file/file_name\0uniqueID:scope_end_start
16510: where scope -> public,guest,course,group,domains or users.
16511: end -> UNIX time for end of access (0 -> no end date)
16512: start -> UNIX time for start of access
16513:
16514: value -> XML description of access control
16515: <scope type=""> (type =1 of: public,guest,course,group,domains,users">
16516: <start></start>
16517: <end></end>
16518:
16519: <password></password> for scope type = guest
16520:
16521: <domain></domain> for scope type = course or group
16522: <number></number>
16523: <roles id="">
16524: <role></role>
16525: <access></access>
16526: <section></section>
16527: <group></group>
16528: </roles>
16529:
16530: <dom></dom> for scope type = domains
16531:
16532: <users> for scope type = users
16533: <user>
16534: <uname></uname>
16535: <udom></udom>
16536: </user>
16537: </users>
16538: </scope>
16539:
16540: Access data is also aggregated for each file in an additional key=value pair:
16541: key -> path to file/file_name\0accesscontrol
16542: value -> reference to hash
16543: hash contains key = value pairs
16544: where key = uniqueID:scope_end_start
16545: value = UNIX time record was last updated
16546:
16547: Used to improve speed of look-ups of access controls for each file.
16548:
16549: Locks on files (resulting from submission of portfolio file to a homework problem stored in array of arrays.
16550:
1.1198 raeburn 16551: =item *
16552:
1.749 raeburn 16553: modify_access_controls():
16554:
16555: Modifies access controls for a portfolio file
16556: Args
16557: 1. file name
16558: 2. reference to hash of required changes,
16559: 3. domain
16560: 4. username
16561: where domain,username are the domain of the portfolio owner
16562: (either a user or a course)
16563:
16564: Returns:
16565: 1. result of additions or updates ('ok' or 'error', with error message).
16566: 2. result of deletions ('ok' or 'error', with error message).
16567: 3. reference to hash of any new or updated access controls.
16568: 4. reference to hash used to map incoming IDs to uniqueIDs assigned to control.
16569: key = integer (inbound ID)
1.1198 raeburn 16570: value = uniqueID
16571:
16572: =item *
16573:
16574: get_timebased_id():
16575:
16576: Attempts to get a unique timestamp-based suffix for use with items added to a
16577: course via the Course Editor (e.g., folders, composite pages,
16578: group bulletin boards).
16579:
16580: Args: (first three required; six others optional)
16581:
16582: 1. prefix (alphanumeric): of keys in hash, e.g., suppsequence, docspage,
16583: docssequence, or name of group
16584:
16585: 2. keyid (alphanumeric): name of temporary locking key in hash,
16586: e.g., num, boardids
16587:
16588: 3. namespace: name of gdbm file used to store suffixes already assigned;
16589: file will be named nohist_namespace.db
16590:
16591: 4. cdom: domain of course; default is current course domain from %env
16592:
16593: 5. cnum: course number; default is current course number from %env
16594:
16595: 6. idtype: set to concat if an additional digit is to be appended to the
16596: unix timestamp to form the suffix, if the plain timestamp is already
16597: in use. Default is to not do this, but simply increment the unix
16598: timestamp by 1 until a unique key is obtained.
16599:
16600: 7. who: holder of locking key; defaults to user:domain for user.
16601:
16602: 8. locktries: number of attempts to obtain a lock (sleep of 1s before
16603: retrying); default is 3.
16604:
16605: 9. maxtries: number of attempts to obtain a unique suffix; default is 20.
16606:
16607: Returns:
16608:
16609: 1. suffix obtained (numeric)
16610:
16611: 2. result of deleting locking key (ok if deleted, or lock never obtained)
16612:
16613: 3. error: contains (localized) error message if an error occurred.
16614:
1.747 albertel 16615:
1.608 albertel 16616: =back
16617:
1.243 albertel 16618: =head2 HTTP Helper Routines
16619:
16620: =over 4
16621:
1.191 harris41 16622: =item *
16623:
16624: escape() : unpack non-word characters into CGI-compatible hex codes
16625:
16626: =item *
16627:
16628: unescape() : pack CGI-compatible hex codes into actual non-word ASCII character
16629:
1.243 albertel 16630: =back
16631:
16632: =head1 PRIVATE SUBROUTINES
16633:
16634: =head2 Underlying communication routines (Shouldn't call)
16635:
16636: =over 4
16637:
16638: =item *
16639:
16640: subreply() : tries to pass a message to lonc, returns con_lost if incapable
16641:
16642: =item *
16643:
16644: reply() : uses subreply to send a message to remote machine, logs all failures
16645:
16646: =item *
16647:
16648: critical() : passes a critical message to another server; if cannot
16649: get through then place message in connection buffer directory and
16650: returns con_delayed, if incapable of saving message, returns
16651: con_failed
16652:
16653: =item *
16654:
16655: reconlonc() : tries to reconnect lonc client processes.
16656:
16657: =back
16658:
16659: =head2 Resource Access Logging
16660:
16661: =over 4
16662:
16663: =item *
16664:
16665: flushcourselogs() : flush (save) buffer logs and access logs
16666:
16667: =item *
16668:
16669: courselog($what) : save message for course in hash
16670:
16671: =item *
16672:
16673: courseacclog($what) : save message for course using &courselog(). Perform
16674: special processing for specific resource types (problems, exams, quizzes, etc).
16675:
1.191 harris41 16676: =item *
16677:
16678: goodbye() : flush course logs and log shutting down; it is called in srm.conf
16679: as a PerlChildExitHandler
1.243 albertel 16680:
16681: =back
16682:
16683: =head2 Other
16684:
16685: =over 4
16686:
16687: =item *
16688:
16689: symblist($mapname,%newhash) : update symbolic storage links
1.191 harris41 16690:
16691: =back
16692:
16693: =cut
1.877 foxr 16694:
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