Annotation of loncom/lonnet/perl/lonnet.pm, revision 1.1172.2.93.4.2
1.1 albertel 1: # The LearningOnline Network
2: # TCP networking package
1.12 www 3: #
1.1172.2.93.4 2(raebur 4:7): # $Id: lonnet.pm,v 1.1172.2.93.4.1 2017/06/21 19:55:01 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;
1.8 www 74: use LWP::UserAgent();
1.486 www 75: use HTTP::Date;
1.977 amueller 76: use Image::Magick;
77:
1.1172.2.36 raeburn 78: use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir
1.1138 raeburn 79: $_64bit %env %protocol %loncaparevs %serverhomeIDs %needsrelease
80: %managerstab);
1.871 albertel 81:
82: my (%badServerCache, $memcache, %courselogs, %accesshash, %domainrolehash,
83: %userrolehash, $processmarker, $dumpcount, %coursedombuf,
84: %coursenumbuf, %coursehombuf, %coursedescrbuf, %courseinstcodebuf,
1.958 www 85: %courseownerbuf, %coursetypebuf,$locknum);
1.403 www 86:
1.1 albertel 87: use IO::Socket;
1.31 www 88: use GDBM_File;
1.208 albertel 89: use HTML::LCParser;
1.88 www 90: use Fcntl qw(:flock);
1.870 albertel 91: use Storable qw(thaw nfreeze);
1.1172.2.79 raeburn 92: use Time::HiRes qw( sleep gettimeofday tv_interval );
1.599 albertel 93: use Cache::Memcached;
1.676 albertel 94: use Digest::MD5;
1.790 albertel 95: use Math::Random;
1.1024 raeburn 96: use File::MMagic;
1.807 albertel 97: use LONCAPA qw(:DEFAULT :match);
1.740 www 98: use LONCAPA::Configuration;
1.1160 www 99: use LONCAPA::lonmetadata;
1.1172.2.22 raeburn 100: use LONCAPA::Lond;
1.1117 foxr 101:
1.1090 raeburn 102: use File::Copy;
1.676 albertel 103:
1.195 www 104: my $readit;
1.1172.2.79 raeburn 105: my $max_connection_retries = 20; # Or some such value.
1.1 albertel 106:
1.619 albertel 107: require Exporter;
108:
109: our @ISA = qw (Exporter);
110: our @EXPORT = qw(%env);
111:
1.1172.2.9 raeburn 112: # ------------------------------------ Logging (parameters, docs, slots, roles)
1.729 www 113: {
114: my $logid;
1.1172.2.9 raeburn 115: sub write_log {
116: my ($context,$hash_name,$storehash,$delflag,$uname,$udom,$cnum,$cdom)=@_;
117: if ($context eq 'course') {
118: if (($cnum eq '') || ($cdom eq '')) {
119: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
120: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
121: }
1.957 raeburn 122: }
1.1172.2.13 raeburn 123: $logid ++;
1.957 raeburn 124: my $now = time();
125: my $id=$now.'00000'.$$.'00000'.$logid;
1.1172.2.9 raeburn 126: my $logentry = {
127: $id => {
128: 'exe_uname' => $env{'user.name'},
129: 'exe_udom' => $env{'user.domain'},
130: 'exe_time' => $now,
131: 'exe_ip' => $ENV{'REMOTE_ADDR'},
132: 'delflag' => $delflag,
133: 'logentry' => $storehash,
134: 'uname' => $uname,
135: 'udom' => $udom,
136: }
137: };
138: return &put('nohist_'.$hash_name,$logentry,$cdom,$cnum);
1.729 www 139: }
140: }
1.1 albertel 141:
1.163 harris41 142: sub logtouch {
143: my $execdir=$perlvar{'lonDaemons'};
1.448 albertel 144: unless (-e "$execdir/logs/lonnet.log") {
145: open(my $fh,">>$execdir/logs/lonnet.log");
1.163 harris41 146: close $fh;
147: }
148: my ($wwwuid,$wwwgid)=(getpwnam('www'))[2,3];
149: chown($wwwuid,$wwwgid,$execdir.'/logs/lonnet.log');
150: }
151:
1.1 albertel 152: sub logthis {
153: my $message=shift;
154: my $execdir=$perlvar{'lonDaemons'};
155: my $now=time;
156: my $local=localtime($now);
1.448 albertel 157: if (open(my $fh,">>$execdir/logs/lonnet.log")) {
1.986 foxr 158: my $logstring = $local. " ($$): ".$message."\n"; # Keep any \'s in string.
159: print $fh $logstring;
1.448 albertel 160: close($fh);
161: }
1.1 albertel 162: return 1;
163: }
164:
165: sub logperm {
166: my $message=shift;
167: my $execdir=$perlvar{'lonDaemons'};
168: my $now=time;
169: my $local=localtime($now);
1.448 albertel 170: if (open(my $fh,">>$execdir/logs/lonnet.perm.log")) {
171: print $fh "$now:$message:$local\n";
172: close($fh);
173: }
1.1 albertel 174: return 1;
175: }
176:
1.850 albertel 177: sub create_connection {
1.853 albertel 178: my ($hostname,$lonid) = @_;
1.851 albertel 179: my $client=IO::Socket::UNIX->new(Peer => $perlvar{'lonSockCreate'},
1.850 albertel 180: Type => SOCK_STREAM,
181: Timeout => 10);
182: return 0 if (!$client);
1.890 albertel 183: print $client (join(':',$hostname,$lonid,&machine_ids($hostname))."\n");
1.850 albertel 184: my $result = <$client>;
185: chomp($result);
186: return 1 if ($result eq 'done');
187: return 0;
188: }
189:
1.983 raeburn 190: sub get_server_timezone {
191: my ($cnum,$cdom) = @_;
192: my $home=&homeserver($cnum,$cdom);
193: if ($home ne 'no_host') {
194: my $cachetime = 24*3600;
195: my ($timezone,$cached)=&is_cached_new('servertimezone',$home);
196: if (defined($cached)) {
197: return $timezone;
198: } else {
199: my $timezone = &reply('servertimezone',$home);
200: return &do_cache_new('servertimezone',$home,$timezone,$cachetime);
201: }
202: }
203: }
1.850 albertel 204:
1.1106 raeburn 205: sub get_server_distarch {
206: my ($lonhost,$ignore_cache) = @_;
207: if (defined($lonhost)) {
208: if (!defined(&hostname($lonhost))) {
209: return;
210: }
211: my $cachetime = 12*3600;
212: if (!$ignore_cache) {
213: my ($distarch,$cached)=&is_cached_new('serverdistarch',$lonhost);
214: if (defined($cached)) {
215: return $distarch;
216: }
217: }
218: my $rep = &reply('serverdistarch',$lonhost);
219: unless ($rep eq 'unknown_command' || $rep eq 'no_such_host' ||
220: $rep eq 'con_lost' || $rep eq 'rejected' || $rep eq 'refused' ||
221: $rep eq '') {
222: return &do_cache_new('serverdistarch',$lonhost,$rep,$cachetime);
223: }
224: }
225: return;
226: }
227:
1.993 raeburn 228: sub get_server_loncaparev {
1.1073 raeburn 229: my ($dom,$lonhost,$ignore_cache,$caller) = @_;
1.993 raeburn 230: if (defined($lonhost)) {
231: if (!defined(&hostname($lonhost))) {
232: undef($lonhost);
233: }
234: }
235: if (!defined($lonhost)) {
236: if (defined(&domain($dom,'primary'))) {
237: $lonhost=&domain($dom,'primary');
238: if ($lonhost eq 'no_host') {
239: undef($lonhost);
240: }
241: }
242: }
243: if (defined($lonhost)) {
1.1073 raeburn 244: my $cachetime = 12*3600;
245: if (!$ignore_cache) {
246: my ($loncaparev,$cached)=&is_cached_new('serverloncaparev',$lonhost);
247: if (defined($cached)) {
248: return $loncaparev;
249: }
250: }
251: my ($answer,$loncaparev);
252: my @ids=¤t_machine_ids();
253: if (grep(/^\Q$lonhost\E$/,@ids)) {
254: $answer = $perlvar{'lonVersion'};
1.1081 raeburn 255: if ($answer =~ /^[\'\"]?([\w.\-]+)[\'\"]?$/) {
1.1073 raeburn 256: $loncaparev = $1;
257: }
258: } else {
259: $answer = &reply('serverloncaparev',$lonhost);
260: if (($answer eq 'unknown_cmd') || ($answer eq 'con_lost')) {
261: if ($caller eq 'loncron') {
262: my $ua=new LWP::UserAgent;
1.1082 raeburn 263: $ua->timeout(4);
1.1073 raeburn 264: my $protocol = $protocol{$lonhost};
265: $protocol = 'http' if ($protocol ne 'https');
266: my $url = $protocol.'://'.&hostname($lonhost).'/adm/about.html';
267: my $request=new HTTP::Request('GET',$url);
268: my $response=$ua->request($request);
269: unless ($response->is_error()) {
270: my $content = $response->content;
1.1081 raeburn 271: if ($content =~ /<p>VERSION\:\s*([\w.\-]+)<\/p>/) {
1.1073 raeburn 272: $loncaparev = $1;
273: }
274: }
275: } else {
276: $loncaparev = $loncaparevs{$lonhost};
277: }
1.1081 raeburn 278: } elsif ($answer =~ /^[\'\"]?([\w.\-]+)[\'\"]?$/) {
1.1073 raeburn 279: $loncaparev = $1;
280: }
1.993 raeburn 281: }
1.1073 raeburn 282: return &do_cache_new('serverloncaparev',$lonhost,$loncaparev,$cachetime);
1.993 raeburn 283: }
284: }
285:
1.1074 raeburn 286: sub get_server_homeID {
287: my ($hostname,$ignore_cache,$caller) = @_;
288: unless ($ignore_cache) {
289: my ($serverhomeID,$cached)=&is_cached_new('serverhomeID',$hostname);
290: if (defined($cached)) {
291: return $serverhomeID;
292: }
293: }
294: my $cachetime = 12*3600;
295: my $serverhomeID;
296: if ($caller eq 'loncron') {
297: my @machine_ids = &machine_ids($hostname);
298: foreach my $id (@machine_ids) {
299: my $response = &reply('serverhomeID',$id);
300: unless (($response eq 'unknown_cmd') || ($response eq 'con_lost')) {
301: $serverhomeID = $response;
302: last;
303: }
304: }
305: if ($serverhomeID eq '') {
306: $serverhomeID = $machine_ids[-1];
307: }
308: } else {
309: $serverhomeID = $serverhomeIDs{$hostname};
310: }
311: return &do_cache_new('serverhomeID',$hostname,$serverhomeID,$cachetime);
312: }
313:
1.1121 raeburn 314: sub get_remote_globals {
315: my ($lonhost,$whathash,$ignore_cache) = @_;
1.1125 raeburn 316: my ($result,%returnhash,%whatneeded);
317: if (ref($whathash) eq 'HASH') {
1.1121 raeburn 318: foreach my $what (sort(keys(%{$whathash}))) {
319: my $hashid = $lonhost.'-'.$what;
1.1125 raeburn 320: my ($response,$cached);
1.1121 raeburn 321: unless ($ignore_cache) {
1.1125 raeburn 322: ($response,$cached)=&is_cached_new('lonnetglobal',$hashid);
1.1121 raeburn 323: }
324: if (defined($cached)) {
1.1125 raeburn 325: $returnhash{$what} = $response;
1.1121 raeburn 326: } else {
1.1125 raeburn 327: $whatneeded{$what} = 1;
1.1121 raeburn 328: }
329: }
1.1125 raeburn 330: if (keys(%whatneeded) == 0) {
331: $result = 'ok';
332: } else {
1.1121 raeburn 333: my $requested = &freeze_escape(\%whatneeded);
334: my $rep=&reply('readlonnetglobal:'.$requested,$lonhost);
1.1125 raeburn 335: if (($rep=~/^(refused|rejected|error)/) || ($rep eq 'con_lost') ||
336: ($rep eq 'unknown_cmd')) {
337: $result = $rep;
338: } else {
339: $result = 'ok';
1.1121 raeburn 340: my @pairs=split(/\&/,$rep);
1.1125 raeburn 341: foreach my $item (@pairs) {
342: my ($key,$value)=split(/=/,$item,2);
343: my $what = &unescape($key);
344: my $hashid = $lonhost.'-'.$what;
345: $returnhash{$what}=&thaw_unescape($value);
346: &do_cache_new('lonnetglobal',$hashid,$returnhash{$what},600);
1.1121 raeburn 347: }
348: }
349: }
350: }
1.1125 raeburn 351: return ($result,\%returnhash);
1.1121 raeburn 352: }
353:
1.1124 raeburn 354: sub remote_devalidate_cache {
1.1172.2.35 raeburn 355: my ($lonhost,$cachekeys) = @_;
356: my $items;
357: return unless (ref($cachekeys) eq 'ARRAY');
358: my $cachestr = join('&',@{$cachekeys});
359: return &reply('devalidatecache:'.&escape($cachestr),$lonhost);
1.1124 raeburn 360: }
361:
1.1 albertel 362: # -------------------------------------------------- Non-critical communication
363: sub subreply {
364: my ($cmd,$server)=@_;
1.838 albertel 365: my $peerfile="$perlvar{'lonSockDir'}/".&hostname($server);
1.549 foxr 366: #
367: # With loncnew process trimming, there's a timing hole between lonc server
368: # process exit and the master server picking up the listen on the AF_UNIX
369: # socket. In that time interval, a lock file will exist:
370:
371: my $lockfile=$peerfile.".lock";
372: while (-e $lockfile) { # Need to wait for the lockfile to disappear.
1.1172.2.79 raeburn 373: sleep(0.1);
1.549 foxr 374: }
375: # At this point, either a loncnew parent is listening or an old lonc
1.550 foxr 376: # or loncnew child is listening so we can connect or everything's dead.
1.549 foxr 377: #
1.550 foxr 378: # We'll give the connection a few tries before abandoning it. If
379: # connection is not possible, we'll con_lost back to the client.
380: #
381: my $client;
382: for (my $retries = 0; $retries < $max_connection_retries; $retries++) {
383: $client=IO::Socket::UNIX->new(Peer =>"$peerfile",
384: Type => SOCK_STREAM,
385: Timeout => 10);
1.869 albertel 386: if ($client) {
1.550 foxr 387: last; # Connected!
1.850 albertel 388: } else {
1.853 albertel 389: &create_connection(&hostname($server),$server);
1.550 foxr 390: }
1.1172.2.79 raeburn 391: sleep(0.1); # Try again later if failed connection.
1.550 foxr 392: }
393: my $answer;
394: if ($client) {
1.704 albertel 395: print $client "sethost:$server:$cmd\n";
1.550 foxr 396: $answer=<$client>;
397: if (!$answer) { $answer="con_lost"; }
398: chomp($answer);
399: } else {
400: $answer = 'con_lost'; # Failed connection.
401: }
1.1 albertel 402: return $answer;
403: }
404:
405: sub reply {
406: my ($cmd,$server)=@_;
1.838 albertel 407: unless (defined(&hostname($server))) { return 'no_such_host'; }
1.1 albertel 408: my $answer=subreply($cmd,$server);
1.65 www 409: if (($answer=~/^refused/) || ($answer=~/^rejected/)) {
1.672 albertel 410: &logthis("<font color=\"blue\">WARNING:".
1.12 www 411: " $cmd to $server returned $answer</font>");
412: }
1.1 albertel 413: return $answer;
414: }
415:
416: # ----------------------------------------------------------- Send USR1 to lonc
417:
418: sub reconlonc {
1.891 albertel 419: my ($lonid) = @_;
420: if ($lonid) {
1.1172.2.72 raeburn 421: my $hostname = &hostname($lonid);
1.891 albertel 422: my $peerfile="$perlvar{'lonSockDir'}/$hostname";
423: if ($hostname && -e $peerfile) {
424: &logthis("Trying to reconnect lonc for $lonid ($hostname)");
425: my $client=IO::Socket::UNIX->new(Peer => $peerfile,
426: Type => SOCK_STREAM,
427: Timeout => 10);
428: if ($client) {
429: print $client ("reset_retries\n");
430: my $answer=<$client>;
431: #reset just this one.
432: }
433: }
434: return;
435: }
436:
1.836 www 437: &logthis("Trying to reconnect lonc");
1.1 albertel 438: my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid";
1.448 albertel 439: if (open(my $fh,"<$loncfile")) {
1.1 albertel 440: my $loncpid=<$fh>;
441: chomp($loncpid);
442: if (kill 0 => $loncpid) {
443: &logthis("lonc at pid $loncpid responding, sending USR1");
444: kill USR1 => $loncpid;
445: sleep 1;
1.836 www 446: } else {
1.12 www 447: &logthis(
1.672 albertel 448: "<font color=\"blue\">WARNING:".
1.12 www 449: " lonc at pid $loncpid not responding, giving up</font>");
1.1 albertel 450: }
451: } else {
1.836 www 452: &logthis('<font color="blue">WARNING: lonc not running, giving up</font>');
1.1 albertel 453: }
454: }
455:
456: # ------------------------------------------------------ Critical communication
1.12 www 457:
1.1 albertel 458: sub critical {
459: my ($cmd,$server)=@_;
1.838 albertel 460: unless (&hostname($server)) {
1.672 albertel 461: &logthis("<font color=\"blue\">WARNING:".
1.89 www 462: " Critical message to unknown server ($server)</font>");
463: return 'no_such_host';
464: }
1.1 albertel 465: my $answer=reply($cmd,$server);
466: if ($answer eq 'con_lost') {
1.1172.2.72 raeburn 467: &reconlonc($server);
1.589 albertel 468: my $answer=reply($cmd,$server);
1.1 albertel 469: if ($answer eq 'con_lost') {
470: my $now=time;
471: my $middlename=$cmd;
1.5 www 472: $middlename=substr($middlename,0,16);
1.1 albertel 473: $middlename=~s/\W//g;
474: my $dfilename=
1.305 www 475: "$perlvar{'lonSockDir'}/delayed/$now.$dumpcount.$$.$middlename.$server";
476: $dumpcount++;
1.1 albertel 477: {
1.448 albertel 478: my $dfh;
479: if (open($dfh,">$dfilename")) {
480: print $dfh "$cmd\n";
481: close($dfh);
482: }
1.1 albertel 483: }
1.1172.2.79 raeburn 484: sleep 1;
1.1 albertel 485: my $wcmd='';
486: {
1.448 albertel 487: my $dfh;
488: if (open($dfh,"<$dfilename")) {
489: $wcmd=<$dfh>;
490: close($dfh);
491: }
1.1 albertel 492: }
493: chomp($wcmd);
1.7 www 494: if ($wcmd eq $cmd) {
1.672 albertel 495: &logthis("<font color=\"blue\">WARNING: ".
1.12 www 496: "Connection buffer $dfilename: $cmd</font>");
1.1 albertel 497: &logperm("D:$server:$cmd");
498: return 'con_delayed';
499: } else {
1.672 albertel 500: &logthis("<font color=\"red\">CRITICAL:"
1.12 www 501: ." Critical connection failed: $server $cmd</font>");
1.1 albertel 502: &logperm("F:$server:$cmd");
503: return 'con_failed';
504: }
505: }
506: }
507: return $answer;
1.405 albertel 508: }
509:
1.755 albertel 510: # ------------------------------------------- check if return value is an error
511:
512: sub error {
513: my ($result) = @_;
1.756 albertel 514: if ($result =~ /^(con_lost|no_such_host|error: (\d+) (.*))/) {
1.755 albertel 515: if ($2 == 2) { return undef; }
516: return $1;
517: }
518: return undef;
519: }
520:
1.783 albertel 521: sub convert_and_load_session_env {
522: my ($lonidsdir,$handle)=@_;
523: my @profile;
524: {
1.917 albertel 525: my $opened = open(my $idf,'+<',"$lonidsdir/$handle.id");
526: if (!$opened) {
1.915 albertel 527: return 0;
528: }
1.783 albertel 529: flock($idf,LOCK_SH);
530: @profile=<$idf>;
531: close($idf);
532: }
533: my %temp_env;
534: foreach my $line (@profile) {
1.786 albertel 535: if ($line !~ m/=/) {
536: return 0;
537: }
1.783 albertel 538: chomp($line);
539: my ($envname,$envvalue)=split(/=/,$line,2);
540: $temp_env{&unescape($envname)} = &unescape($envvalue);
541: }
542: unlink("$lonidsdir/$handle.id");
543: if (tie(my %disk_env,'GDBM_File',"$lonidsdir/$handle.id",&GDBM_WRCREAT(),
544: 0640)) {
545: %disk_env = %temp_env;
546: @env{keys(%temp_env)} = @disk_env{keys(%temp_env)};
547: untie(%disk_env);
548: }
1.786 albertel 549: return 1;
1.783 albertel 550: }
551:
1.374 www 552: # ------------------------------------------- Transfer profile into environment
1.780 albertel 553: my $env_loaded;
554: sub transfer_profile_to_env {
1.788 albertel 555: my ($lonidsdir,$handle,$force_transfer) = @_;
556: if (!$force_transfer && $env_loaded) { return; }
1.374 www 557:
1.720 albertel 558: if (!defined($lonidsdir)) {
559: $lonidsdir = $perlvar{'lonIDsDir'};
560: }
561: if (!defined($handle)) {
562: ($handle) = ($env{'user.environment'} =~m|/([^/]+)\.id$| );
563: }
564:
1.786 albertel 565: my $convert;
566: {
1.917 albertel 567: my $opened = open(my $idf,'+<',"$lonidsdir/$handle.id");
568: if (!$opened) {
1.915 albertel 569: return;
570: }
1.786 albertel 571: flock($idf,LOCK_SH);
572: if (tie(my %disk_env,'GDBM_File',"$lonidsdir/$handle.id",
573: &GDBM_READER(),0640)) {
574: @env{keys(%disk_env)} = @disk_env{keys(%disk_env)};
575: untie(%disk_env);
576: } else {
577: $convert = 1;
578: }
579: }
580: if ($convert) {
581: if (!&convert_and_load_session_env($lonidsdir,$handle)) {
582: &logthis("Failed to load session, or convert session.");
583: }
1.374 www 584: }
1.783 albertel 585:
1.786 albertel 586: my %remove;
1.783 albertel 587: while ( my $envname = each(%env) ) {
1.433 matthew 588: if (my ($key,$time) = ($envname =~ /^(cgi\.(\d+)_\d+\.)/)) {
589: if ($time < time-300) {
1.783 albertel 590: $remove{$key}++;
1.433 matthew 591: }
592: }
593: }
1.783 albertel 594:
1.619 albertel 595: $env{'user.environment'} = "$lonidsdir/$handle.id";
1.780 albertel 596: $env_loaded=1;
1.783 albertel 597: foreach my $expired_key (keys(%remove)) {
1.433 matthew 598: &delenv($expired_key);
1.374 www 599: }
1.1 albertel 600: }
601:
1.916 albertel 602: # ---------------------------------------------------- Check for valid session
603: sub check_for_valid_session {
1.1172.2.36 raeburn 604: my ($r,$name,$userhashref) = @_;
1.916 albertel 605: my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
1.1155 raeburn 606: if ($name eq '') {
607: $name = 'lonID';
608: }
609: my $lonid=$cookies{$name};
1.916 albertel 610: return undef if (!$lonid);
611:
612: my $handle=&LONCAPA::clean_handle($lonid->value);
1.1155 raeburn 613: my $lonidsdir;
614: if ($name eq 'lonDAV') {
615: $lonidsdir=$r->dir_config('lonDAVsessDir');
616: } else {
617: $lonidsdir=$r->dir_config('lonIDsDir');
618: }
1.916 albertel 619: return undef if (!-e "$lonidsdir/$handle.id");
620:
1.917 albertel 621: my $opened = open(my $idf,'+<',"$lonidsdir/$handle.id");
622: return undef if (!$opened);
1.916 albertel 623:
624: flock($idf,LOCK_SH);
625: my %disk_env;
626: if (!tie(%disk_env,'GDBM_File',"$lonidsdir/$handle.id",
627: &GDBM_READER(),0640)) {
628: return undef;
629: }
630:
631: if (!defined($disk_env{'user.name'})
632: || !defined($disk_env{'user.domain'})) {
633: return undef;
634: }
1.1172.2.18 raeburn 635:
1.1172.2.36 raeburn 636: if (ref($userhashref) eq 'HASH') {
637: $userhashref->{'name'} = $disk_env{'user.name'};
638: $userhashref->{'domain'} = $disk_env{'user.domain'};
1.1172.2.18 raeburn 639: }
640:
1.916 albertel 641: return $handle;
642: }
643:
1.830 albertel 644: sub timed_flock {
645: my ($file,$lock_type) = @_;
646: my $failed=0;
647: eval {
648: local $SIG{__DIE__}='DEFAULT';
649: local $SIG{ALRM}=sub {
650: $failed=1;
651: die("failed lock");
652: };
653: alarm(13);
654: flock($file,$lock_type);
655: alarm(0);
656: };
657: if ($failed) {
658: return undef;
659: } else {
660: return 1;
661: }
662: }
663:
1.5 www 664: # ---------------------------------------------------------- Append Environment
665:
666: sub appenv {
1.949 raeburn 667: my ($newenv,$roles) = @_;
668: if (ref($newenv) eq 'HASH') {
669: foreach my $key (keys(%{$newenv})) {
670: my $refused = 0;
671: if (($key =~ /^user\.role/) || ($key =~ /^user\.priv/)) {
672: $refused = 1;
673: if (ref($roles) eq 'ARRAY') {
1.1172.2.40 raeburn 674: my ($type,$role) = ($key =~ m{^user\.(role|priv)\.(.+?)\./});
1.949 raeburn 675: if (grep(/^\Q$role\E$/,@{$roles})) {
676: $refused = 0;
677: }
678: }
679: }
680: if ($refused) {
681: &logthis("<font color=\"blue\">WARNING: ".
682: "Attempt to modify environment ".$key." to ".$newenv->{$key}
683: .'</font>');
684: delete($newenv->{$key});
685: } else {
686: $env{$key}=$newenv->{$key};
687: }
688: }
689: my $opened = open(my $env_file,'+<',$env{'user.environment'});
690: if ($opened
691: && &timed_flock($env_file,LOCK_EX)
692: &&
693: tie(my %disk_env,'GDBM_File',$env{'user.environment'},
694: (&GDBM_WRITER()|&GDBM_NOLOCK()),0640)) {
695: while (my ($key,$value) = each(%{$newenv})) {
696: $disk_env{$key} = $value;
697: }
698: untie(%disk_env);
1.35 www 699: }
1.191 harris41 700: }
1.56 www 701: return 'ok';
702: }
703: # ----------------------------------------------------- Delete from Environment
704:
705: sub delenv {
1.1104 raeburn 706: my ($delthis,$regexp,$roles) = @_;
707: if (($delthis=~/^user\.role/) || ($delthis=~/^user\.priv/)) {
708: my $refused = 1;
709: if (ref($roles) eq 'ARRAY') {
710: my ($type,$role) = ($delthis =~ /^user\.(role|priv)\.([^.]+)\./);
711: if (grep(/^\Q$role\E$/,@{$roles})) {
712: $refused = 0;
713: }
714: }
715: if ($refused) {
716: &logthis("<font color=\"blue\">WARNING: ".
717: "Attempt to delete from environment ".$delthis);
718: return 'error';
719: }
1.56 www 720: }
1.917 albertel 721: my $opened = open(my $env_file,'+<',$env{'user.environment'});
722: if ($opened
1.915 albertel 723: && &timed_flock($env_file,LOCK_EX)
1.830 albertel 724: &&
725: tie(my %disk_env,'GDBM_File',$env{'user.environment'},
726: (&GDBM_WRITER()|&GDBM_NOLOCK()),0640)) {
1.783 albertel 727: foreach my $key (keys(%disk_env)) {
1.987 raeburn 728: if ($regexp) {
729: if ($key=~/^$delthis/) {
730: delete($env{$key});
731: delete($disk_env{$key});
732: }
733: } else {
734: if ($key=~/^\Q$delthis\E/) {
735: delete($env{$key});
736: delete($disk_env{$key});
737: }
738: }
1.448 albertel 739: }
1.783 albertel 740: untie(%disk_env);
1.5 www 741: }
742: return 'ok';
1.369 albertel 743: }
744:
1.790 albertel 745: sub get_env_multiple {
746: my ($name) = @_;
747: my @values;
748: if (defined($env{$name})) {
749: # exists is it an array
750: if (ref($env{$name})) {
751: @values=@{ $env{$name} };
752: } else {
753: $values[0]=$env{$name};
754: }
755: }
756: return(@values);
757: }
758:
1.958 www 759: # ------------------------------------------------------------------- Locking
760:
761: sub set_lock {
762: my ($text)=@_;
763: $locknum++;
764: my $id=$$.'-'.$locknum;
765: &appenv({'session.locks' => $env{'session.locks'}.','.$id,
766: 'session.lock.'.$id => $text});
767: return $id;
768: }
769:
770: sub get_locks {
771: my $num=0;
772: my %texts=();
773: foreach my $lock (split(/\,/,$env{'session.locks'})) {
774: if ($lock=~/\w/) {
775: $num++;
776: $texts{$lock}=$env{'session.lock.'.$lock};
777: }
778: }
779: return ($num,%texts);
780: }
781:
782: sub remove_lock {
783: my ($id)=@_;
784: my $newlocks='';
785: foreach my $lock (split(/\,/,$env{'session.locks'})) {
786: if (($lock=~/\w/) && ($lock ne $id)) {
787: $newlocks.=','.$lock;
788: }
789: }
790: &appenv({'session.locks' => $newlocks});
791: &delenv('session.lock.'.$id);
792: }
793:
794: sub remove_all_locks {
795: my $activelocks=$env{'session.locks'};
796: foreach my $lock (split(/\,/,$env{'session.locks'})) {
797: if ($lock=~/\w/) {
798: &remove_lock($lock);
799: }
800: }
801: }
802:
803:
1.369 albertel 804: # ------------------------------------------ Find out current server userload
805: sub userload {
806: my $numusers=0;
807: {
808: opendir(LONIDS,$perlvar{'lonIDsDir'});
809: my $filename;
810: my $curtime=time;
811: while ($filename=readdir(LONIDS)) {
1.925 albertel 812: next if ($filename eq '.' || $filename eq '..');
813: next if ($filename =~ /publicuser_\d+\.id/);
1.404 albertel 814: my ($mtime)=(stat($perlvar{'lonIDsDir'}.'/'.$filename))[9];
1.437 albertel 815: if ($curtime-$mtime < 1800) { $numusers++; }
1.369 albertel 816: }
817: closedir(LONIDS);
818: }
819: my $userloadpercent=0;
820: my $maxuserload=$perlvar{'lonUserLoadLim'};
821: if ($maxuserload) {
1.371 albertel 822: $userloadpercent=100*$numusers/$maxuserload;
1.369 albertel 823: }
1.372 albertel 824: $userloadpercent=sprintf("%.2f",$userloadpercent);
1.369 albertel 825: return $userloadpercent;
1.283 www 826: }
827:
1.1 albertel 828: # ------------------------------ Find server with least workload from spare.tab
1.11 www 829:
1.1 albertel 830: sub spareserver {
1.1083 raeburn 831: my ($loadpercent,$userloadpercent,$want_server_name,$udom) = @_;
1.784 albertel 832: my $spare_server;
1.370 albertel 833: if ($userloadpercent !~ /\d/) { $userloadpercent=0; }
1.784 albertel 834: my $lowest_load=($loadpercent > $userloadpercent) ? $loadpercent
835: : $userloadpercent;
1.1083 raeburn 836: my ($uint_dom,$remotesessions);
837: if (($udom ne '') && (&domain($udom) ne '')) {
838: my $uprimary_id = &Apache::lonnet::domain($udom,'primary');
839: $uint_dom = &Apache::lonnet::internet_dom($uprimary_id);
840: my %udomdefaults = &Apache::lonnet::get_domain_defaults($udom);
841: $remotesessions = $udomdefaults{'remotesessions'};
842: }
1.1123 raeburn 843: my $spareshash = &this_host_spares($udom);
844: if (ref($spareshash) eq 'HASH') {
845: if (ref($spareshash->{'primary'}) eq 'ARRAY') {
846: foreach my $try_server (@{ $spareshash->{'primary'} }) {
1.1172.2.62 raeburn 847: next unless (&spare_can_host($udom,$uint_dom,$remotesessions,
848: $try_server));
1.1123 raeburn 849: ($spare_server, $lowest_load) =
850: &compare_server_load($try_server, $spare_server, $lowest_load);
851: }
1.1083 raeburn 852: }
1.784 albertel 853:
1.1123 raeburn 854: my $found_server = ($spare_server ne '' && $lowest_load < 100);
855:
856: if (!$found_server) {
857: if (ref($spareshash->{'default'}) eq 'ARRAY') {
858: foreach my $try_server (@{ $spareshash->{'default'} }) {
1.1172.2.62 raeburn 859: next unless (&spare_can_host($udom,$uint_dom,
860: $remotesessions,$try_server));
1.1123 raeburn 861: ($spare_server, $lowest_load) =
862: &compare_server_load($try_server, $spare_server, $lowest_load);
863: }
864: }
865: }
1.784 albertel 866: }
867:
868: if (!$want_server_name) {
1.968 raeburn 869: my $protocol = 'http';
870: if ($protocol{$spare_server} eq 'https') {
871: $protocol = $protocol{$spare_server};
872: }
1.1001 raeburn 873: if (defined($spare_server)) {
874: my $hostname = &hostname($spare_server);
1.1083 raeburn 875: if (defined($hostname)) {
1.1001 raeburn 876: $spare_server = $protocol.'://'.$hostname;
877: }
878: }
1.784 albertel 879: }
880: return $spare_server;
881: }
882:
883: sub compare_server_load {
1.1172.2.41 raeburn 884: my ($try_server, $spare_server, $lowest_load, $required) = @_;
885:
886: if ($required) {
887: my ($reqdmajor,$reqdminor) = ($required =~ /^(\d+)\.(\d+)$/);
888: my $remoterev = &get_server_loncaparev(undef,$try_server);
889: my ($major,$minor) = ($remoterev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?$/);
890: if (($major eq '' && $minor eq '') ||
891: (($reqdmajor > $major) || (($reqdmajor == $major) && ($reqdminor > $minor)))) {
892: return ($spare_server,$lowest_load);
893: }
894: }
1.784 albertel 895:
896: my $loadans = &reply('load', $try_server);
897: my $userloadans = &reply('userload',$try_server);
898:
899: if ($loadans !~ /\d/ && $userloadans !~ /\d/) {
1.1114 raeburn 900: return ($spare_server, $lowest_load); #didn't get a number from the server
1.784 albertel 901: }
902:
903: my $load;
904: if ($loadans =~ /\d/) {
905: if ($userloadans =~ /\d/) {
906: #both are numbers, pick the bigger one
907: $load = ($loadans > $userloadans) ? $loadans
908: : $userloadans;
1.411 albertel 909: } else {
1.784 albertel 910: $load = $loadans;
1.411 albertel 911: }
1.784 albertel 912: } else {
913: $load = $userloadans;
914: }
915:
916: if (($load =~ /\d/) && ($load < $lowest_load)) {
917: $spare_server = $try_server;
918: $lowest_load = $load;
1.370 albertel 919: }
1.784 albertel 920: return ($spare_server,$lowest_load);
1.202 matthew 921: }
1.914 albertel 922:
923: # --------------------------- ask offload servers if user already has a session
924: sub find_existing_session {
925: my ($udom,$uname) = @_;
1.1123 raeburn 926: my $spareshash = &this_host_spares($udom);
927: if (ref($spareshash) eq 'HASH') {
928: if (ref($spareshash->{'primary'}) eq 'ARRAY') {
929: foreach my $try_server (@{ $spareshash->{'primary'} }) {
930: return $try_server if (&has_user_session($try_server, $udom, $uname));
931: }
932: }
933: if (ref($spareshash->{'default'}) eq 'ARRAY') {
934: foreach my $try_server (@{ $spareshash->{'default'} }) {
935: return $try_server if (&has_user_session($try_server, $udom, $uname));
936: }
937: }
1.914 albertel 938: }
939: return;
940: }
941:
942: # -------------------------------- ask if server already has a session for user
943: sub has_user_session {
944: my ($lonid,$udom,$uname) = @_;
945: my $result = &reply(join(':','userhassession',
946: map {&escape($_)} ($udom,$uname)),$lonid);
947: return 1 if ($result eq 'ok');
948:
949: return 0;
950: }
951:
1.1076 raeburn 952: # --------- determine least loaded server in a user's domain which allows login
953:
954: sub choose_server {
1.1172.2.47 raeburn 955: my ($udom,$checkloginvia,$required,$skiploadbal) = @_;
1.1076 raeburn 956: my %domconfhash = &Apache::loncommon::get_domainconf($udom);
1.1077 raeburn 957: my %servers = &get_servers($udom);
1.1076 raeburn 958: my $lowest_load = 30000;
1.1172.2.47 raeburn 959: my ($login_host,$hostname,$portal_path,$isredirect,$balancers);
960: if ($skiploadbal) {
961: ($balancers,my $cached)=&is_cached_new('loadbalancing',$udom);
962: unless (defined($cached)) {
963: my $cachetime = 60*60*24;
964: my %domconfig =
965: &Apache::lonnet::get_dom('configuration',['loadbalancing'],$udom);
966: if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
967: $balancers = &do_cache_new('loadbalancing',$udom,$domconfig{'loadbalancing'},
968: $cachetime);
969: }
970: }
971: }
1.1076 raeburn 972: foreach my $lonhost (keys(%servers)) {
1.1115 raeburn 973: my $loginvia;
1.1172.2.47 raeburn 974: if ($skiploadbal) {
975: if (ref($balancers) eq 'HASH') {
976: next if (exists($balancers->{$lonhost}));
977: }
978: }
1.1115 raeburn 979: if ($checkloginvia) {
980: $loginvia = $domconfhash{$udom.'.login.loginvia_'.$lonhost};
1.1116 raeburn 981: if ($loginvia) {
982: my ($server,$path) = split(/:/,$loginvia);
983: ($login_host, $lowest_load) =
1.1172.2.41 raeburn 984: &compare_server_load($server, $login_host, $lowest_load, $required);
1.1116 raeburn 985: if ($login_host eq $server) {
986: $portal_path = $path;
1.1151 raeburn 987: $isredirect = 1;
1.1116 raeburn 988: }
989: } else {
990: ($login_host, $lowest_load) =
1.1172.2.41 raeburn 991: &compare_server_load($lonhost, $login_host, $lowest_load, $required);
1.1116 raeburn 992: if ($login_host eq $lonhost) {
993: $portal_path = '';
1.1151 raeburn 994: $isredirect = '';
1.1116 raeburn 995: }
996: }
997: } else {
1.1076 raeburn 998: ($login_host, $lowest_load) =
1.1172.2.41 raeburn 999: &compare_server_load($lonhost, $login_host, $lowest_load, $required);
1.1076 raeburn 1000: }
1001: }
1002: if ($login_host ne '') {
1.1116 raeburn 1003: $hostname = &hostname($login_host);
1.1076 raeburn 1004: }
1.1172.2.88 raeburn 1005: return ($login_host,$hostname,$portal_path,$isredirect,$lowest_load);
1.1076 raeburn 1006: }
1007:
1.202 matthew 1008: # --------------------------------------------- Try to change a user's password
1009:
1010: sub changepass {
1.799 raeburn 1011: my ($uname,$udom,$currentpass,$newpass,$server,$context)=@_;
1.202 matthew 1012: $currentpass = &escape($currentpass);
1013: $newpass = &escape($newpass);
1.1030 raeburn 1014: my $lonhost = $perlvar{'lonHostID'};
1015: my $answer = reply("encrypt:passwd:$udom:$uname:$currentpass:$newpass:$context:$lonhost",
1.202 matthew 1016: $server);
1017: if (! $answer) {
1018: &logthis("No reply on password change request to $server ".
1019: "by $uname in domain $udom.");
1020: } elsif ($answer =~ "^ok") {
1021: &logthis("$uname in $udom successfully changed their password ".
1022: "on $server.");
1023: } elsif ($answer =~ "^pwchange_failure") {
1024: &logthis("$uname in $udom was unable to change their password ".
1025: "on $server. The action was blocked by either lcpasswd ".
1026: "or pwchange");
1027: } elsif ($answer =~ "^non_authorized") {
1028: &logthis("$uname in $udom did not get their password correct when ".
1029: "attempting to change it on $server.");
1030: } elsif ($answer =~ "^auth_mode_error") {
1031: &logthis("$uname in $udom attempted to change their password despite ".
1032: "not being locally or internally authenticated on $server.");
1033: } elsif ($answer =~ "^unknown_user") {
1034: &logthis("$uname in $udom attempted to change their password ".
1035: "on $server but were unable to because $server is not ".
1036: "their home server.");
1037: } elsif ($answer =~ "^refused") {
1038: &logthis("$server refused to change $uname in $udom password because ".
1039: "it was sent an unencrypted request to change the password.");
1.1030 raeburn 1040: } elsif ($answer =~ "invalid_client") {
1041: &logthis("$server refused to change $uname in $udom password because ".
1042: "it was a reset by e-mail originating from an invalid server.");
1.202 matthew 1043: }
1044: return $answer;
1.1 albertel 1045: }
1046:
1.169 harris41 1047: # ----------------------- Try to determine user's current authentication scheme
1048:
1049: sub queryauthenticate {
1050: my ($uname,$udom)=@_;
1.456 albertel 1051: my $uhome=&homeserver($uname,$udom);
1052: if (!$uhome) {
1053: &logthis("User $uname at $udom is unknown when looking for authentication mechanism");
1054: return 'no_host';
1055: }
1056: my $answer=reply("encrypt:currentauth:$udom:$uname",$uhome);
1057: if ($answer =~ /^(unknown_user|refused|con_lost)/) {
1058: &logthis("User $uname at $udom threw error $answer when checking authentication mechanism");
1.169 harris41 1059: }
1.456 albertel 1060: return $answer;
1.169 harris41 1061: }
1062:
1.1 albertel 1063: # --------- Try to authenticate user from domain's lib servers (first this one)
1.11 www 1064:
1.1 albertel 1065: sub authenticate {
1.1073 raeburn 1066: my ($uname,$upass,$udom,$checkdefauth,$clientcancheckhost)=@_;
1.807 albertel 1067: $upass=&escape($upass);
1068: $uname= &LONCAPA::clean_username($uname);
1.836 www 1069: my $uhome=&homeserver($uname,$udom,1);
1.952 raeburn 1070: my $newhome;
1.836 www 1071: if ((!$uhome) || ($uhome eq 'no_host')) {
1072: # Maybe the machine was offline and only re-appeared again recently?
1073: &reconlonc();
1074: # One more
1.952 raeburn 1075: $uhome=&homeserver($uname,$udom,1);
1076: if (($uhome eq 'no_host') && $checkdefauth) {
1077: if (defined(&domain($udom,'primary'))) {
1078: $newhome=&domain($udom,'primary');
1079: }
1080: if ($newhome ne '') {
1081: $uhome = $newhome;
1082: }
1083: }
1.836 www 1084: if ((!$uhome) || ($uhome eq 'no_host')) {
1085: &logthis("User $uname at $udom is unknown in authenticate");
1.952 raeburn 1086: return 'no_host';
1087: }
1.1 albertel 1088: }
1.1073 raeburn 1089: my $answer=reply("encrypt:auth:$udom:$uname:$upass:$checkdefauth:$clientcancheckhost",$uhome);
1.471 albertel 1090: if ($answer eq 'authorized') {
1.952 raeburn 1091: if ($newhome) {
1092: &logthis("User $uname at $udom authorized by $uhome, but needs account");
1093: return 'no_account_on_host';
1094: } else {
1095: &logthis("User $uname at $udom authorized by $uhome");
1096: return $uhome;
1097: }
1.471 albertel 1098: }
1099: if ($answer eq 'non_authorized') {
1100: &logthis("User $uname at $udom rejected by $uhome");
1101: return 'no_host';
1.9 www 1102: }
1.471 albertel 1103: &logthis("User $uname at $udom threw error $answer when checking authentication mechanism");
1.1 albertel 1104: return 'no_host';
1105: }
1106:
1.1073 raeburn 1107: sub can_host_session {
1.1074 raeburn 1108: my ($udom,$lonhost,$remoterev,$remotesessions,$hostedsessions) = @_;
1.1073 raeburn 1109: my $canhost = 1;
1.1074 raeburn 1110: my $host_idn = &Apache::lonnet::internet_dom($lonhost);
1.1073 raeburn 1111: if (ref($remotesessions) eq 'HASH') {
1112: if (ref($remotesessions->{'excludedomain'}) eq 'ARRAY') {
1.1074 raeburn 1113: if (grep(/^\Q$host_idn\E$/,@{$remotesessions->{'excludedomain'}})) {
1.1073 raeburn 1114: $canhost = 0;
1115: } else {
1116: $canhost = 1;
1117: }
1118: }
1119: if (ref($remotesessions->{'includedomain'}) eq 'ARRAY') {
1.1074 raeburn 1120: if (grep(/^\Q$host_idn\E$/,@{$remotesessions->{'includedomain'}})) {
1.1073 raeburn 1121: $canhost = 1;
1122: } else {
1123: $canhost = 0;
1124: }
1125: }
1126: if ($canhost) {
1127: if ($remotesessions->{'version'} ne '') {
1128: my ($reqmajor,$reqminor) = ($remotesessions->{'version'} =~ /^(\d+)\.(\d+)$/);
1129: if ($reqmajor ne '' && $reqminor ne '') {
1130: if ($remoterev =~ /^\'?(\d+)\.(\d+)/) {
1131: my $major = $1;
1132: my $minor = $2;
1133: if (($major < $reqmajor ) ||
1134: (($major == $reqmajor) && ($minor < $reqminor))) {
1135: $canhost = 0;
1136: }
1137: } else {
1138: $canhost = 0;
1139: }
1140: }
1141: }
1142: }
1143: }
1144: if ($canhost) {
1145: if (ref($hostedsessions) eq 'HASH') {
1.1120 raeburn 1146: my $uprimary_id = &Apache::lonnet::domain($udom,'primary');
1147: my $uint_dom = &Apache::lonnet::internet_dom($uprimary_id);
1.1073 raeburn 1148: if (ref($hostedsessions->{'excludedomain'}) eq 'ARRAY') {
1.1120 raeburn 1149: if (($uint_dom ne '') &&
1150: (grep(/^\Q$uint_dom\E$/,@{$hostedsessions->{'excludedomain'}}))) {
1.1073 raeburn 1151: $canhost = 0;
1152: } else {
1153: $canhost = 1;
1154: }
1155: }
1156: if (ref($hostedsessions->{'includedomain'}) eq 'ARRAY') {
1.1120 raeburn 1157: if (($uint_dom ne '') &&
1158: (grep(/^\Q$uint_dom\E$/,@{$hostedsessions->{'includedomain'}}))) {
1.1073 raeburn 1159: $canhost = 1;
1160: } else {
1161: $canhost = 0;
1162: }
1163: }
1164: }
1165: }
1166: return $canhost;
1167: }
1168:
1.1083 raeburn 1169: sub spare_can_host {
1170: my ($udom,$uint_dom,$remotesessions,$try_server)=@_;
1171: my $canhost=1;
1.1172.2.62 raeburn 1172: my $try_server_hostname = &hostname($try_server);
1173: my $serverhomeID = &get_server_homeID($try_server_hostname);
1174: my $serverhomedom = &host_domain($serverhomeID);
1175: my %defdomdefaults = &get_domain_defaults($serverhomedom);
1176: if (ref($defdomdefaults{'offloadnow'}) eq 'HASH') {
1177: if ($defdomdefaults{'offloadnow'}{$try_server}) {
1178: $canhost = 0;
1179: }
1180: }
1181: if (($canhost) && ($uint_dom)) {
1182: my @intdoms;
1183: my $internet_names = &get_internet_names($try_server);
1184: if (ref($internet_names) eq 'ARRAY') {
1185: @intdoms = @{$internet_names};
1186: }
1187: unless (grep(/^\Q$uint_dom\E$/,@intdoms)) {
1188: my $remoterev = &get_server_loncaparev(undef,$try_server);
1189: $canhost = &can_host_session($udom,$try_server,$remoterev,
1190: $remotesessions,
1191: $defdomdefaults{'hostedsessions'});
1192: }
1.1083 raeburn 1193: }
1194: return $canhost;
1195: }
1196:
1.1123 raeburn 1197: sub this_host_spares {
1198: my ($dom) = @_;
1.1126 raeburn 1199: my ($dom_in_use,$lonhost_in_use,$result);
1.1123 raeburn 1200: my @hosts = ¤t_machine_ids();
1201: foreach my $lonhost (@hosts) {
1202: if (&host_domain($lonhost) eq $dom) {
1.1126 raeburn 1203: $dom_in_use = $dom;
1204: $lonhost_in_use = $lonhost;
1.1123 raeburn 1205: last;
1206: }
1207: }
1.1126 raeburn 1208: if ($dom_in_use ne '') {
1209: $result = &spares_for_offload($dom_in_use,$lonhost_in_use);
1210: }
1211: if (ref($result) ne 'HASH') {
1212: $lonhost_in_use = $perlvar{'lonHostID'};
1213: $dom_in_use = &host_domain($lonhost_in_use);
1214: $result = &spares_for_offload($dom_in_use,$lonhost_in_use);
1215: if (ref($result) ne 'HASH') {
1216: $result = \%spareid;
1217: }
1218: }
1219: return $result;
1220: }
1221:
1222: sub spares_for_offload {
1223: my ($dom_in_use,$lonhost_in_use) = @_;
1224: my ($result,$cached)=&is_cached_new('spares',$dom_in_use);
1.1123 raeburn 1225: if (defined($cached)) {
1226: return $result;
1227: } else {
1.1126 raeburn 1228: my $cachetime = 60*60*24;
1229: my %domconfig =
1230: &Apache::lonnet::get_dom('configuration',['usersessions'],$dom_in_use);
1231: if (ref($domconfig{'usersessions'}) eq 'HASH') {
1232: if (ref($domconfig{'usersessions'}{'spares'}) eq 'HASH') {
1233: if (ref($domconfig{'usersessions'}{'spares'}{$lonhost_in_use}) eq 'HASH') {
1234: return &do_cache_new('spares',$dom_in_use,$domconfig{'usersessions'}{'spares'}{$lonhost_in_use},$cachetime);
1.1123 raeburn 1235: }
1236: }
1237: }
1238: }
1.1126 raeburn 1239: return;
1.1123 raeburn 1240: }
1241:
1.1129 raeburn 1242: sub get_lonbalancer_config {
1243: my ($servers) = @_;
1244: my ($currbalancer,$currtargets);
1245: if (ref($servers) eq 'HASH') {
1246: foreach my $server (keys(%{$servers})) {
1247: my %what = (
1248: spareid => 1,
1249: perlvar => 1,
1250: );
1251: my ($result,$returnhash) = &get_remote_globals($server,\%what);
1252: if ($result eq 'ok') {
1253: if (ref($returnhash) eq 'HASH') {
1254: if (ref($returnhash->{'perlvar'}) eq 'HASH') {
1255: if ($returnhash->{'perlvar'}->{'lonBalancer'} eq 'yes') {
1256: $currbalancer = $server;
1257: $currtargets = {};
1258: if (ref($returnhash->{'spareid'}) eq 'HASH') {
1259: if (ref($returnhash->{'spareid'}->{'primary'}) eq 'ARRAY') {
1260: $currtargets->{'primary'} = $returnhash->{'spareid'}->{'primary'};
1261: }
1262: if (ref($returnhash->{'spareid'}->{'default'}) eq 'ARRAY') {
1263: $currtargets->{'default'} = $returnhash->{'spareid'}->{'default'};
1264: }
1265: }
1266: last;
1267: }
1268: }
1269: }
1270: }
1271: }
1272: }
1273: return ($currbalancer,$currtargets);
1274: }
1275:
1276: sub check_loadbalancing {
1.1172.2.88 raeburn 1277: my ($uname,$udom,$caller) = @_;
1.1172.2.12 raeburn 1278: my ($is_balancer,$currtargets,$currrules,$dom_in_use,$homeintdom,
1279: $rule_in_effect,$offloadto,$otherserver);
1.1129 raeburn 1280: my $lonhost = $perlvar{'lonHostID'};
1.1172.2.4 raeburn 1281: my @hosts = ¤t_machine_ids();
1.1129 raeburn 1282: my $uprimary_id = &Apache::lonnet::domain($udom,'primary');
1283: my $uintdom = &Apache::lonnet::internet_dom($uprimary_id);
1284: my $intdom = &Apache::lonnet::internet_dom($lonhost);
1285: my $serverhomedom = &host_domain($lonhost);
1.1172.2.75 raeburn 1286: my $domneedscache;
1.1129 raeburn 1287: my $cachetime = 60*60*24;
1288:
1289: if (($uintdom ne '') && ($uintdom eq $intdom)) {
1290: $dom_in_use = $udom;
1291: $homeintdom = 1;
1292: } else {
1293: $dom_in_use = $serverhomedom;
1294: }
1295: my ($result,$cached)=&is_cached_new('loadbalancing',$dom_in_use);
1296: unless (defined($cached)) {
1297: my %domconfig =
1298: &Apache::lonnet::get_dom('configuration',['loadbalancing'],$dom_in_use);
1299: if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
1.1130 raeburn 1300: $result = &do_cache_new('loadbalancing',$dom_in_use,$domconfig{'loadbalancing'},$cachetime);
1.1172.2.75 raeburn 1301: } else {
1302: $domneedscache = $dom_in_use;
1.1129 raeburn 1303: }
1304: }
1305: if (ref($result) eq 'HASH') {
1.1172.2.12 raeburn 1306: ($is_balancer,$currtargets,$currrules) =
1307: &check_balancer_result($result,@hosts);
1.1129 raeburn 1308: if ($is_balancer) {
1309: if (ref($currrules) eq 'HASH') {
1310: if ($homeintdom) {
1311: if ($uname ne '') {
1312: if (($currrules->{'_LC_adv'} ne '') || ($currrules->{'_LC_author'} ne '')) {
1313: my ($is_adv,$is_author) = &is_advanced_user($udom,$uname);
1314: if (($currrules->{'_LC_author'} ne '') && ($is_author)) {
1315: $rule_in_effect = $currrules->{'_LC_author'};
1316: } elsif (($currrules->{'_LC_adv'} ne '') && ($is_adv)) {
1317: $rule_in_effect = $currrules->{'_LC_adv'}
1318: }
1319: }
1320: if ($rule_in_effect eq '') {
1321: my %userenv = &userenvironment($udom,$uname,'inststatus');
1322: if ($userenv{'inststatus'} ne '') {
1323: my @statuses = map { &unescape($_); } split(/:/,$userenv{'inststatus'});
1324: my ($othertitle,$usertypes,$types) =
1325: &Apache::loncommon::sorted_inst_types($udom);
1326: if (ref($types) eq 'ARRAY') {
1327: foreach my $type (@{$types}) {
1328: if (grep(/^\Q$type\E$/,@statuses)) {
1329: if (exists($currrules->{$type})) {
1330: $rule_in_effect = $currrules->{$type};
1331: }
1332: }
1333: }
1334: }
1335: } else {
1336: if (exists($currrules->{'default'})) {
1337: $rule_in_effect = $currrules->{'default'};
1338: }
1339: }
1340: }
1341: } else {
1342: if (exists($currrules->{'default'})) {
1343: $rule_in_effect = $currrules->{'default'};
1344: }
1345: }
1346: } else {
1347: if ($currrules->{'_LC_external'} ne '') {
1348: $rule_in_effect = $currrules->{'_LC_external'};
1349: }
1350: }
1351: $offloadto = &get_loadbalancer_targets($rule_in_effect,$currtargets,
1352: $uname,$udom);
1353: }
1354: }
1355: } elsif (($homeintdom) && ($udom ne $serverhomedom)) {
1.1172.2.35 raeburn 1356: ($result,$cached)=&is_cached_new('loadbalancing',$serverhomedom);
1.1129 raeburn 1357: unless (defined($cached)) {
1358: my %domconfig =
1359: &Apache::lonnet::get_dom('configuration',['loadbalancing'],$serverhomedom);
1360: if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
1.1172.2.75 raeburn 1361: $result = &do_cache_new('loadbalancing',$serverhomedom,$domconfig{'loadbalancing'},$cachetime);
1362: } else {
1363: $domneedscache = $serverhomedom;
1.1129 raeburn 1364: }
1365: }
1366: if (ref($result) eq 'HASH') {
1.1172.2.12 raeburn 1367: ($is_balancer,$currtargets,$currrules) =
1368: &check_balancer_result($result,@hosts);
1369: if ($is_balancer) {
1.1129 raeburn 1370: if (ref($currrules) eq 'HASH') {
1371: if ($currrules->{'_LC_internetdom'} ne '') {
1372: $rule_in_effect = $currrules->{'_LC_internetdom'};
1373: }
1374: }
1375: $offloadto = &get_loadbalancer_targets($rule_in_effect,$currtargets,
1376: $uname,$udom);
1377: }
1378: } else {
1379: if ($perlvar{'lonBalancer'} eq 'yes') {
1380: $is_balancer = 1;
1381: $offloadto = &this_host_spares($dom_in_use);
1382: }
1.1172.2.75 raeburn 1383: unless (defined($cached)) {
1384: $domneedscache = $serverhomedom;
1385: }
1.1129 raeburn 1386: }
1387: } else {
1388: if ($perlvar{'lonBalancer'} eq 'yes') {
1389: $is_balancer = 1;
1390: $offloadto = &this_host_spares($dom_in_use);
1391: }
1.1172.2.75 raeburn 1392: unless (defined($cached)) {
1393: $domneedscache = $serverhomedom;
1394: }
1395: }
1396: if ($domneedscache) {
1397: &do_cache_new('loadbalancing',$domneedscache,$is_balancer,$cachetime);
1.1129 raeburn 1398: }
1.1172.2.5 raeburn 1399: if ($is_balancer) {
1400: my $lowest_load = 30000;
1401: if (ref($offloadto) eq 'HASH') {
1402: if (ref($offloadto->{'primary'}) eq 'ARRAY') {
1403: foreach my $try_server (@{$offloadto->{'primary'}}) {
1404: ($otherserver,$lowest_load) =
1405: &compare_server_load($try_server,$otherserver,$lowest_load);
1406: }
1.1129 raeburn 1407: }
1.1172.2.5 raeburn 1408: my $found_server = ($otherserver ne '' && $lowest_load < 100);
1.1129 raeburn 1409:
1.1172.2.5 raeburn 1410: if (!$found_server) {
1411: if (ref($offloadto->{'default'}) eq 'ARRAY') {
1412: foreach my $try_server (@{$offloadto->{'default'}}) {
1413: ($otherserver,$lowest_load) =
1414: &compare_server_load($try_server,$otherserver,$lowest_load);
1415: }
1416: }
1417: }
1418: } elsif (ref($offloadto) eq 'ARRAY') {
1419: if (@{$offloadto} == 1) {
1420: $otherserver = $offloadto->[0];
1421: } elsif (@{$offloadto} > 1) {
1422: foreach my $try_server (@{$offloadto}) {
1.1129 raeburn 1423: ($otherserver,$lowest_load) =
1424: &compare_server_load($try_server,$otherserver,$lowest_load);
1425: }
1426: }
1427: }
1.1172.2.88 raeburn 1428: unless ($caller eq 'login') {
1429: if (($otherserver ne '') && (grep(/^\Q$otherserver\E$/,@hosts))) {
1430: $is_balancer = 0;
1431: if ($uname ne '' && $udom ne '') {
1432: if (($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) {
1.1172.2.5 raeburn 1433:
1.1172.2.88 raeburn 1434: &appenv({'user.loadbalexempt' => $lonhost,
1435: 'user.loadbalcheck.time' => time});
1436: }
1.1172.2.5 raeburn 1437: }
1.1129 raeburn 1438: }
1439: }
1440: }
1441: return ($is_balancer,$otherserver);
1442: }
1443:
1.1172.2.12 raeburn 1444: sub check_balancer_result {
1445: my ($result,@hosts) = @_;
1446: my ($is_balancer,$currtargets,$currrules);
1447: if (ref($result) eq 'HASH') {
1448: if ($result->{'lonhost'} ne '') {
1449: my $currbalancer = $result->{'lonhost'};
1450: if (grep(/^\Q$currbalancer\E$/,@hosts)) {
1451: $is_balancer = 1;
1452: $currtargets = $result->{'targets'};
1453: $currrules = $result->{'rules'};
1454: }
1455: } else {
1456: foreach my $key (keys(%{$result})) {
1457: if (($key ne '') && (grep(/^\Q$key\E$/,@hosts)) &&
1458: (ref($result->{$key}) eq 'HASH')) {
1459: $is_balancer = 1;
1460: $currrules = $result->{$key}{'rules'};
1461: $currtargets = $result->{$key}{'targets'};
1462: last;
1463: }
1464: }
1465: }
1466: }
1467: return ($is_balancer,$currtargets,$currrules);
1468: }
1469:
1.1129 raeburn 1470: sub get_loadbalancer_targets {
1471: my ($rule_in_effect,$currtargets,$uname,$udom) = @_;
1472: my $offloadto;
1.1172.2.4 raeburn 1473: if ($rule_in_effect eq 'none') {
1474: return [$perlvar{'lonHostID'}];
1475: } elsif ($rule_in_effect eq '') {
1.1129 raeburn 1476: $offloadto = $currtargets;
1477: } else {
1478: if ($rule_in_effect eq 'homeserver') {
1479: my $homeserver = &homeserver($uname,$udom);
1480: if ($homeserver ne 'no_host') {
1481: $offloadto = [$homeserver];
1482: }
1483: } elsif ($rule_in_effect eq 'externalbalancer') {
1484: my %domconfig =
1485: &Apache::lonnet::get_dom('configuration',['loadbalancing'],$udom);
1486: if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
1487: if ($domconfig{'loadbalancing'}{'lonhost'} ne '') {
1488: if (&hostname($domconfig{'loadbalancing'}{'lonhost'}) ne '') {
1489: $offloadto = [$domconfig{'loadbalancing'}{'lonhost'}];
1490: }
1491: }
1492: } else {
1.1172.2.7 raeburn 1493: my %servers = &internet_dom_servers($udom);
1.1129 raeburn 1494: my ($remotebalancer,$remotetargets) = &get_lonbalancer_config(\%servers);
1495: if (&hostname($remotebalancer) ne '') {
1496: $offloadto = [$remotebalancer];
1497: }
1498: }
1499: } elsif (&hostname($rule_in_effect) ne '') {
1500: $offloadto = [$rule_in_effect];
1501: }
1502: }
1503: return $offloadto;
1504: }
1505:
1.1127 raeburn 1506: sub internet_dom_servers {
1507: my ($dom) = @_;
1508: my (%uniqservers,%servers);
1509: my $primaryserver = &hostname(&domain($dom,'primary'));
1510: my @machinedoms = &machine_domains($primaryserver);
1511: foreach my $mdom (@machinedoms) {
1512: my %currservers = %servers;
1513: my %server = &get_servers($mdom);
1514: %servers = (%currservers,%server);
1515: }
1516: my %by_hostname;
1517: foreach my $id (keys(%servers)) {
1518: push(@{$by_hostname{$servers{$id}}},$id);
1519: }
1520: foreach my $hostname (sort(keys(%by_hostname))) {
1521: if (@{$by_hostname{$hostname}} > 1) {
1522: my $match = 0;
1523: foreach my $id (@{$by_hostname{$hostname}}) {
1524: if (&host_domain($id) eq $dom) {
1525: $uniqservers{$id} = $hostname;
1526: $match = 1;
1527: }
1528: }
1529: unless ($match) {
1530: $uniqservers{$by_hostname{$hostname}[0]} = $hostname;
1531: }
1532: } else {
1533: $uniqservers{$by_hostname{$hostname}[0]} = $hostname;
1534: }
1535: }
1536: return %uniqservers;
1537: }
1538:
1.1 albertel 1539: # ---------------------- Find the homebase for a user from domain's lib servers
1.11 www 1540:
1.599 albertel 1541: my %homecache;
1.1 albertel 1542: sub homeserver {
1.230 stredwic 1543: my ($uname,$udom,$ignoreBadCache)=@_;
1.1 albertel 1544: my $index="$uname:$udom";
1.426 albertel 1545:
1.599 albertel 1546: if (exists($homecache{$index})) { return $homecache{$index}; }
1.841 albertel 1547:
1548: my %servers = &get_servers($udom,'library');
1549: foreach my $tryserver (keys(%servers)) {
1.230 stredwic 1550: next if ($ignoreBadCache ne 'true' &&
1.231 stredwic 1551: exists($badServerCache{$tryserver}));
1.841 albertel 1552:
1553: my $answer=reply("home:$udom:$uname",$tryserver);
1554: if ($answer eq 'found') {
1555: delete($badServerCache{$tryserver});
1556: return $homecache{$index}=$tryserver;
1557: } elsif ($answer eq 'no_host') {
1558: $badServerCache{$tryserver}=1;
1559: }
1.1 albertel 1560: }
1561: return 'no_host';
1.70 www 1562: }
1563:
1564: # ------------------------------------- Find the usernames behind a list of IDs
1565:
1566: sub idget {
1567: my ($udom,@ids)=@_;
1568: my %returnhash=();
1569:
1.841 albertel 1570: my %servers = &get_servers($udom,'library');
1571: foreach my $tryserver (keys(%servers)) {
1.1172.2.73 raeburn 1572: my $idlist=join('&', map { &escape($_); } @ids);
1.841 albertel 1573: $idlist=~tr/A-Z/a-z/;
1574: my $reply=&reply("idget:$udom:".$idlist,$tryserver);
1575: my @answer=();
1576: if (($reply ne 'con_lost') && ($reply!~/^error\:/)) {
1577: @answer=split(/\&/,$reply);
1578: } ;
1579: my $i;
1580: for ($i=0;$i<=$#ids;$i++) {
1581: if ($answer[$i]) {
1.1172.2.73 raeburn 1582: $returnhash{$ids[$i]}=&unescape($answer[$i]);
1.841 albertel 1583: }
1584: }
1585: }
1.70 www 1586: return %returnhash;
1587: }
1588:
1589: # ------------------------------------- Find the IDs behind a list of usernames
1590:
1591: sub idrget {
1592: my ($udom,@unames)=@_;
1593: my %returnhash=();
1.800 albertel 1594: foreach my $uname (@unames) {
1595: $returnhash{$uname}=(&userenvironment($udom,$uname,'id'))[1];
1.191 harris41 1596: }
1.70 www 1597: return %returnhash;
1598: }
1599:
1600: # ------------------------------- Store away a list of names and associated IDs
1601:
1602: sub idput {
1603: my ($udom,%ids)=@_;
1604: my %servers=();
1.800 albertel 1605: foreach my $uname (keys(%ids)) {
1606: &cput('environment',{'id'=>$ids{$uname}},$udom,$uname);
1607: my $uhom=&homeserver($uname,$udom);
1.70 www 1608: if ($uhom ne 'no_host') {
1.800 albertel 1609: my $id=&escape($ids{$uname});
1.70 www 1610: $id=~tr/A-Z/a-z/;
1.800 albertel 1611: my $esc_unam=&escape($uname);
1.70 www 1612: if ($servers{$uhom}) {
1.800 albertel 1613: $servers{$uhom}.='&'.$id.'='.$esc_unam;
1.70 www 1614: } else {
1.800 albertel 1615: $servers{$uhom}=$id.'='.$esc_unam;
1.70 www 1616: }
1617: }
1.191 harris41 1618: }
1.800 albertel 1619: foreach my $server (keys(%servers)) {
1620: &critical('idput:'.$udom.':'.$servers{$server},$server);
1.191 harris41 1621: }
1.344 www 1622: }
1623:
1.1172.2.30 raeburn 1624: # ---------------------------------------- Delete unwanted IDs from ids.db file
1625:
1626: sub iddel {
1627: my ($udom,$idshashref,$uhome)=@_;
1628: my %result=();
1629: unless (ref($idshashref) eq 'HASH') {
1630: return %result;
1631: }
1632: my %servers=();
1633: while (my ($id,$uname) = each(%{$idshashref})) {
1634: my $uhom;
1635: if ($uhome) {
1636: $uhom = $uhome;
1637: } else {
1638: $uhom=&homeserver($uname,$udom);
1639: }
1640: if ($uhom ne 'no_host') {
1641: if ($servers{$uhom}) {
1642: $servers{$uhom}.='&'.&escape($id);
1643: } else {
1644: $servers{$uhom}=&escape($id);
1645: }
1646: }
1647: }
1648: foreach my $server (keys(%servers)) {
1649: $result{$server} = &critical('iddel:'.$udom.':'.$servers{$server},$uhome);
1650: }
1651: return %result;
1652: }
1653:
1.1023 raeburn 1654: # ------------------------------dump from db file owned by domainconfig user
1.1012 raeburn 1655: sub dump_dom {
1.1165 droeschl 1656: my ($namespace, $udom, $regexp) = @_;
1657:
1658: $udom ||= $env{'user.domain'};
1659:
1660: return () unless $udom;
1661:
1662: return &dump($namespace, $udom, &get_domainconfiguser($udom), $regexp);
1.1012 raeburn 1663: }
1664:
1.1023 raeburn 1665: # ------------------------------------------ get items from domain db files
1.806 raeburn 1666:
1667: sub get_dom {
1.860 raeburn 1668: my ($namespace,$storearr,$udom,$uhome)=@_;
1.1172.2.57 raeburn 1669: return if ($udom eq 'public');
1.806 raeburn 1670: my $items='';
1671: foreach my $item (@$storearr) {
1672: $items.=&escape($item).'&';
1673: }
1674: $items=~s/\&$//;
1.860 raeburn 1675: if (!$udom) {
1676: $udom=$env{'user.domain'};
1.1172.2.57 raeburn 1677: return if ($udom eq 'public');
1.860 raeburn 1678: if (defined(&domain($udom,'primary'))) {
1679: $uhome=&domain($udom,'primary');
1680: } else {
1.874 albertel 1681: undef($uhome);
1.860 raeburn 1682: }
1683: } else {
1684: if (!$uhome) {
1685: if (defined(&domain($udom,'primary'))) {
1686: $uhome=&domain($udom,'primary');
1687: }
1688: }
1689: }
1690: if ($udom && $uhome && ($uhome ne 'no_host')) {
1.1172.2.93.4 2(raebur 1691:7): my $rep;
1692:7): if ($namespace =~ /^enc/) {
1693:7): $rep=&reply("encrypt:egetdom:$udom:$namespace:$items",$uhome);
1694:7): } else {
1695:7): $rep=&reply("getdom:$udom:$namespace:$items",$uhome);
1696:7): }
1.866 raeburn 1697: my %returnhash;
1.875 albertel 1698: if ($rep eq '' || $rep =~ /^error: 2 /) {
1.866 raeburn 1699: return %returnhash;
1700: }
1.806 raeburn 1701: my @pairs=split(/\&/,$rep);
1702: if ( $#pairs==0 && $pairs[0] =~ /^(con_lost|error|no_such_host)/i) {
1703: return @pairs;
1704: }
1705: my $i=0;
1706: foreach my $item (@$storearr) {
1707: $returnhash{$item}=&thaw_unescape($pairs[$i]);
1708: $i++;
1709: }
1710: return %returnhash;
1711: } else {
1.880 banghart 1712: &logthis("get_dom failed - no homeserver and/or domain ($udom) ($uhome)");
1.806 raeburn 1713: }
1714: }
1715:
1716: # -------------------------------------------- put items in domain db files
1717:
1718: sub put_dom {
1.860 raeburn 1719: my ($namespace,$storehash,$udom,$uhome)=@_;
1720: if (!$udom) {
1721: $udom=$env{'user.domain'};
1722: if (defined(&domain($udom,'primary'))) {
1723: $uhome=&domain($udom,'primary');
1724: } else {
1.874 albertel 1725: undef($uhome);
1.860 raeburn 1726: }
1727: } else {
1728: if (!$uhome) {
1729: if (defined(&domain($udom,'primary'))) {
1730: $uhome=&domain($udom,'primary');
1731: }
1732: }
1733: }
1734: if ($udom && $uhome && ($uhome ne 'no_host')) {
1.806 raeburn 1735: my $items='';
1736: foreach my $item (keys(%$storehash)) {
1737: $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';
1738: }
1739: $items=~s/\&$//;
1.1172.2.93.4 2(raebur 1740:7): if ($namespace =~ /^enc/) {
1741:7): return &reply("encrypt:putdom:$udom:$namespace:$items",$uhome);
1742:7): } else {
1743:7): return &reply("putdom:$udom:$namespace:$items",$uhome);
1744:7): }
1.806 raeburn 1745: } else {
1.860 raeburn 1746: &logthis("put_dom failed - no homeserver and/or domain");
1.806 raeburn 1747: }
1748: }
1749:
1.1023 raeburn 1750: # --------------------- newput for items in db file owned by domainconfig user
1.1012 raeburn 1751: sub newput_dom {
1.1023 raeburn 1752: my ($namespace,$storehash,$udom) = @_;
1.1012 raeburn 1753: my $result;
1754: if (!$udom) {
1755: $udom=$env{'user.domain'};
1756: }
1.1023 raeburn 1757: if ($udom) {
1758: my $uname = &get_domainconfiguser($udom);
1759: $result = &newput($namespace,$storehash,$udom,$uname);
1.1012 raeburn 1760: }
1761: return $result;
1762: }
1763:
1.1023 raeburn 1764: # --------------------- delete for items in db file owned by domainconfig user
1.1012 raeburn 1765: sub del_dom {
1.1023 raeburn 1766: my ($namespace,$storearr,$udom)=@_;
1.1012 raeburn 1767: if (ref($storearr) eq 'ARRAY') {
1768: if (!$udom) {
1769: $udom=$env{'user.domain'};
1770: }
1.1023 raeburn 1771: if ($udom) {
1772: my $uname = &get_domainconfiguser($udom);
1773: return &del($namespace,$storearr,$udom,$uname);
1.1012 raeburn 1774: }
1775: }
1776: }
1777:
1.1023 raeburn 1778: # ----------------------------------construct domainconfig user for a domain
1779: sub get_domainconfiguser {
1780: my ($udom) = @_;
1781: return $udom.'-domainconfig';
1782: }
1783:
1.837 raeburn 1784: sub retrieve_inst_usertypes {
1785: my ($udom) = @_;
1786: my (%returnhash,@order);
1.989 raeburn 1787: my %domdefs = &Apache::lonnet::get_domain_defaults($udom);
1788: if ((ref($domdefs{'inststatustypes'}) eq 'HASH') &&
1789: (ref($domdefs{'inststatusorder'}) eq 'ARRAY')) {
1.1172.2.44 raeburn 1790: return ($domdefs{'inststatustypes'},$domdefs{'inststatusorder'});
1.989 raeburn 1791: } else {
1792: if (defined(&domain($udom,'primary'))) {
1793: my $uhome=&domain($udom,'primary');
1794: my $rep=&reply("inst_usertypes:$udom",$uhome);
1795: if ($rep =~ /^(con_lost|error|no_such_host|refused)/) {
1.1172.2.44 raeburn 1796: &logthis("retrieve_inst_usertypes failed - $rep returned from $uhome in domain: $udom");
1.989 raeburn 1797: return (\%returnhash,\@order);
1798: }
1799: my ($hashitems,$orderitems) = split(/:/,$rep);
1800: my @pairs=split(/\&/,$hashitems);
1801: foreach my $item (@pairs) {
1802: my ($key,$value)=split(/=/,$item,2);
1803: $key = &unescape($key);
1804: next if ($key =~ /^error: 2 /);
1805: $returnhash{$key}=&thaw_unescape($value);
1806: }
1807: my @esc_order = split(/\&/,$orderitems);
1808: foreach my $item (@esc_order) {
1809: push(@order,&unescape($item));
1810: }
1811: } else {
1.1172.2.44 raeburn 1812: &logthis("retrieve_inst_usertypes failed - no primary domain server for $udom");
1.837 raeburn 1813: }
1.1172.2.44 raeburn 1814: return (\%returnhash,\@order);
1.837 raeburn 1815: }
1816: }
1817:
1.868 raeburn 1818: sub is_domainimage {
1819: my ($url) = @_;
1.1172.2.74 raeburn 1820: if ($url=~m-^/+res/+($match_domain)/+\1\-domainconfig/+(img|logo|domlogo)/+[^/]-) {
1.868 raeburn 1821: if (&domain($1) ne '') {
1822: return '1';
1823: }
1824: }
1825: return;
1826: }
1827:
1.899 raeburn 1828: sub inst_directory_query {
1829: my ($srch) = @_;
1830: my $udom = $srch->{'srchdomain'};
1831: my %results;
1832: my $homeserver = &domain($udom,'primary');
1.909 raeburn 1833: my $outcome;
1.899 raeburn 1834: if ($homeserver ne '') {
1.904 albertel 1835: my $queryid=&reply("querysend:instdirsearch:".
1836: &escape($srch->{'srchby'}).':'.
1837: &escape($srch->{'srchterm'}).':'.
1838: &escape($srch->{'srchtype'}),$homeserver);
1839: my $host=&hostname($homeserver);
1840: if ($queryid !~/^\Q$host\E\_/) {
1.1172.2.93.4 1(raebur 1841:7): &logthis('institutional directory search invalid queryid: '.$queryid.' for host: '.$homeserver.' in domain '.$udom);
1.904 albertel 1842: return;
1843: }
1844: my $response = &get_query_reply($queryid);
1845: my $maxtries = 5;
1846: my $tries = 1;
1847: while (($response=~/^timeout/) && ($tries < $maxtries)) {
1848: $response = &get_query_reply($queryid);
1849: $tries ++;
1850: }
1851:
1852: if (!&error($response) && $response ne 'refused') {
1.909 raeburn 1853: if ($response eq 'unavailable') {
1854: $outcome = $response;
1855: } else {
1856: $outcome = 'ok';
1857: my @matches = split(/\n/,$response);
1858: foreach my $match (@matches) {
1859: my ($key,$value) = split(/=/,$match);
1860: $results{&unescape($key).':'.$udom} = &thaw_unescape($value);
1861: }
1.899 raeburn 1862: }
1863: }
1864: }
1.909 raeburn 1865: return ($outcome,%results);
1.899 raeburn 1866: }
1867:
1868: sub usersearch {
1869: my ($srch) = @_;
1870: my $dom = $srch->{'srchdomain'};
1871: my %results;
1872: my %libserv = &all_library();
1873: my $query = 'usersearch';
1874: foreach my $tryserver (keys(%libserv)) {
1875: if (&host_domain($tryserver) eq $dom) {
1876: my $host=&hostname($tryserver);
1877: my $queryid=
1.911 raeburn 1878: &reply("querysend:".&escape($query).':'.
1879: &escape($srch->{'srchby'}).':'.
1.899 raeburn 1880: &escape($srch->{'srchtype'}).':'.
1881: &escape($srch->{'srchterm'}),$tryserver);
1882: if ($queryid !~/^\Q$host\E\_/) {
1883: &logthis('usersearch: invalid queryid: '.$queryid.' for host: '.$host.'in domain '.$dom.' and server: '.$tryserver);
1.902 raeburn 1884: next;
1.899 raeburn 1885: }
1886: my $reply = &get_query_reply($queryid);
1887: my $maxtries = 1;
1888: my $tries = 1;
1889: while (($reply=~/^timeout/) && ($tries < $maxtries)) {
1890: $reply = &get_query_reply($queryid);
1891: $tries ++;
1892: }
1893: if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) {
1894: &logthis('usersrch error: '.$reply.' for '.$dom.' - searching for : '.$srch->{'srchterm'}.' by '.$srch->{'srchby'}.' ('.$srch->{'srchtype'}.') - maxtries: '.$maxtries.' tries: '.$tries);
1895: } else {
1.911 raeburn 1896: my @matches;
1897: if ($reply =~ /\n/) {
1898: @matches = split(/\n/,$reply);
1899: } else {
1900: @matches = split(/\&/,$reply);
1901: }
1.899 raeburn 1902: foreach my $match (@matches) {
1903: my ($uname,$udom,%userhash);
1.911 raeburn 1904: foreach my $entry (split(/:/,$match)) {
1905: my ($key,$value) =
1906: map {&unescape($_);} split(/=/,$entry);
1.899 raeburn 1907: $userhash{$key} = $value;
1908: if ($key eq 'username') {
1909: $uname = $value;
1910: } elsif ($key eq 'domain') {
1911: $udom = $value;
1.911 raeburn 1912: }
1.899 raeburn 1913: }
1914: $results{$uname.':'.$udom} = \%userhash;
1915: }
1916: }
1917: }
1918: }
1919: return %results;
1920: }
1921:
1.912 raeburn 1922: sub get_instuser {
1923: my ($udom,$uname,$id) = @_;
1924: my $homeserver = &domain($udom,'primary');
1925: my ($outcome,%results);
1926: if ($homeserver ne '') {
1927: my $queryid=&reply("querysend:getinstuser:".&escape($uname).':'.
1928: &escape($id).':'.&escape($udom),$homeserver);
1929: my $host=&hostname($homeserver);
1930: if ($queryid !~/^\Q$host\E\_/) {
1931: &logthis('get_instuser invalid queryid: '.$queryid.' for host: '.$homeserver.'in domain '.$udom);
1932: return;
1933: }
1934: my $response = &get_query_reply($queryid);
1935: my $maxtries = 5;
1936: my $tries = 1;
1937: while (($response=~/^timeout/) && ($tries < $maxtries)) {
1938: $response = &get_query_reply($queryid);
1939: $tries ++;
1940: }
1941: if (!&error($response) && $response ne 'refused') {
1942: if ($response eq 'unavailable') {
1943: $outcome = $response;
1944: } else {
1945: $outcome = 'ok';
1946: my @matches = split(/\n/,$response);
1947: foreach my $match (@matches) {
1948: my ($key,$value) = split(/=/,$match);
1949: $results{&unescape($key)} = &thaw_unescape($value);
1950: }
1951: }
1952: }
1953: }
1954: my %userinfo;
1955: if (ref($results{$uname}) eq 'HASH') {
1956: %userinfo = %{$results{$uname}};
1957: }
1958: return ($outcome,%userinfo);
1959: }
1960:
1.1172.2.69 raeburn 1961: sub get_multiple_instusers {
1962: my ($udom,$users,$caller) = @_;
1963: my ($outcome,$results);
1964: if (ref($users) eq 'HASH') {
1965: my $count = keys(%{$users});
1966: my $requested = &freeze_escape($users);
1967: my $homeserver = &domain($udom,'primary');
1968: if ($homeserver ne '') {
1969: my $queryid=&reply('querysend:getmultinstusers:::'.$caller.'='.$requested,$homeserver);
1970: my $host=&hostname($homeserver);
1971: if ($queryid !~/^\Q$host\E\_/) {
1972: &logthis('get_multiple_instusers invalid queryid: '.$queryid.
1973: ' for host: '.$homeserver.'in domain '.$udom);
1974: return ($outcome,$results);
1975: }
1976: my $response = &get_query_reply($queryid);
1977: my $maxtries = 5;
1978: if ($count > 100) {
1979: $maxtries = 1+int($count/20);
1980: }
1981: my $tries = 1;
1982: while (($response=~/^timeout/) && ($tries <= $maxtries)) {
1983: $response = &get_query_reply($queryid);
1984: $tries ++;
1985: }
1986: if ($response eq '') {
1987: $results = {};
1988: foreach my $key (keys(%{$users})) {
1989: my ($uname,$id);
1990: if ($caller eq 'id') {
1991: $id = $key;
1992: } else {
1993: $uname = $key;
1994: }
1995: my ($resp,%info) = &get_instuser($udom,$uname,$id);
1996: $outcome = $resp;
1997: if ($resp eq 'ok') {
1998: %{$results} = (%{$results}, %info);
1999: } else {
2000: last;
2001: }
2002: }
2003: } elsif(!&error($response) && ($response ne 'refused')) {
2004: if (($response eq 'unavailable') || ($response eq 'invalid') || ($response eq 'timeout')) {
2005: $outcome = $response;
2006: } else {
2007: ($outcome,my $userdata) = split(/=/,$response,2);
2008: if ($outcome eq 'ok') {
2009: $results = &thaw_unescape($userdata);
2010: }
2011: }
2012: }
2013: }
2014: }
2015: return ($outcome,$results);
2016: }
2017:
1.912 raeburn 2018: sub inst_rulecheck {
1.923 raeburn 2019: my ($udom,$uname,$id,$item,$rules) = @_;
1.912 raeburn 2020: my %returnhash;
2021: if ($udom ne '') {
2022: if (ref($rules) eq 'ARRAY') {
2023: @{$rules} = map {&escape($_);} (@{$rules});
2024: my $rulestr = join(':',@{$rules});
2025: my $homeserver=&domain($udom,'primary');
2026: if (($homeserver ne '') && ($homeserver ne 'no_host')) {
1.923 raeburn 2027: my $response;
2028: if ($item eq 'username') {
2029: $response=&unescape(&reply('instrulecheck:'.&escape($udom).
2030: ':'.&escape($uname).':'.$rulestr,
1.912 raeburn 2031: $homeserver));
1.923 raeburn 2032: } elsif ($item eq 'id') {
2033: $response=&unescape(&reply('instidrulecheck:'.&escape($udom).
2034: ':'.&escape($id).':'.$rulestr,
2035: $homeserver));
1.945 raeburn 2036: } elsif ($item eq 'selfcreate') {
2037: $response=&unescape(&reply('instselfcreatecheck:'.
1.943 raeburn 2038: &escape($udom).':'.&escape($uname).
2039: ':'.$rulestr,$homeserver));
1.923 raeburn 2040: }
1.912 raeburn 2041: if ($response ne 'refused') {
2042: my @pairs=split(/\&/,$response);
2043: foreach my $item (@pairs) {
2044: my ($key,$value)=split(/=/,$item,2);
2045: $key = &unescape($key);
2046: next if ($key =~ /^error: 2 /);
2047: $returnhash{$key}=&thaw_unescape($value);
2048: }
2049: }
2050: }
2051: }
2052: }
2053: return %returnhash;
2054: }
2055:
2056: sub inst_userrules {
1.923 raeburn 2057: my ($udom,$check) = @_;
1.912 raeburn 2058: my (%ruleshash,@ruleorder);
2059: if ($udom ne '') {
2060: my $homeserver=&domain($udom,'primary');
2061: if (($homeserver ne '') && ($homeserver ne 'no_host')) {
1.923 raeburn 2062: my $response;
2063: if ($check eq 'id') {
2064: $response=&reply('instidrules:'.&escape($udom),
1.912 raeburn 2065: $homeserver);
1.943 raeburn 2066: } elsif ($check eq 'email') {
2067: $response=&reply('instemailrules:'.&escape($udom),
2068: $homeserver);
1.923 raeburn 2069: } else {
2070: $response=&reply('instuserrules:'.&escape($udom),
2071: $homeserver);
2072: }
1.912 raeburn 2073: if (($response ne 'refused') && ($response ne 'error') &&
1.923 raeburn 2074: ($response ne 'unknown_cmd') &&
1.912 raeburn 2075: ($response ne 'no_such_host')) {
2076: my ($hashitems,$orderitems) = split(/:/,$response);
2077: my @pairs=split(/\&/,$hashitems);
2078: foreach my $item (@pairs) {
2079: my ($key,$value)=split(/=/,$item,2);
2080: $key = &unescape($key);
2081: next if ($key =~ /^error: 2 /);
2082: $ruleshash{$key}=&thaw_unescape($value);
2083: }
2084: my @esc_order = split(/\&/,$orderitems);
2085: foreach my $item (@esc_order) {
2086: push(@ruleorder,&unescape($item));
2087: }
2088: }
2089: }
2090: }
2091: return (\%ruleshash,\@ruleorder);
2092: }
2093:
1.976 raeburn 2094: # ------------- Get Authentication, Language and User Tools Defaults for Domain
1.943 raeburn 2095:
2096: sub get_domain_defaults {
1.1172.2.35 raeburn 2097: my ($domain,$ignore_cache) = @_;
2098: return if (($domain eq '') || ($domain eq 'public'));
1.943 raeburn 2099: my $cachetime = 60*60*24;
1.1172.2.35 raeburn 2100: unless ($ignore_cache) {
2101: my ($result,$cached)=&is_cached_new('domdefaults',$domain);
2102: if (defined($cached)) {
2103: if (ref($result) eq 'HASH') {
2104: return %{$result};
2105: }
1.943 raeburn 2106: }
2107: }
2108: my %domdefaults;
2109: my %domconfig =
1.989 raeburn 2110: &Apache::lonnet::get_dom('configuration',['defaults','quotas',
1.1047 raeburn 2111: 'requestcourses','inststatus',
1.1172.2.9 raeburn 2112: 'coursedefaults','usersessions',
1.1172.2.46 raeburn 2113: 'requestauthor','selfenrollment',
1.1172.2.89 raeburn 2114: 'coursecategories','autoenroll',
2115: 'helpsettings'],$domain);
1.1172.2.41 raeburn 2116: my @coursetypes = ('official','unofficial','community','textbook');
1.943 raeburn 2117: if (ref($domconfig{'defaults'}) eq 'HASH') {
2118: $domdefaults{'lang_def'} = $domconfig{'defaults'}{'lang_def'};
2119: $domdefaults{'auth_def'} = $domconfig{'defaults'}{'auth_def'};
2120: $domdefaults{'auth_arg_def'} = $domconfig{'defaults'}{'auth_arg_def'};
1.982 raeburn 2121: $domdefaults{'timezone_def'} = $domconfig{'defaults'}{'timezone_def'};
1.985 raeburn 2122: $domdefaults{'datelocale_def'} = $domconfig{'defaults'}{'datelocale_def'};
1.1147 raeburn 2123: $domdefaults{'portal_def'} = $domconfig{'defaults'}{'portal_def'};
1.1172.2.91 raeburn 2124: $domdefaults{'intauth_cost'} = $domconfig{'defaults'}{'intauth_cost'};
2125: $domdefaults{'intauth_switch'} = $domconfig{'defaults'}{'intauth_switch'};
2126: $domdefaults{'intauth_check'} = $domconfig{'defaults'}{'intauth_check'};
1.943 raeburn 2127: } else {
2128: $domdefaults{'lang_def'} = &domain($domain,'lang_def');
2129: $domdefaults{'auth_def'} = &domain($domain,'auth_def');
2130: $domdefaults{'auth_arg_def'} = &domain($domain,'auth_arg_def');
2131: }
1.976 raeburn 2132: if (ref($domconfig{'quotas'}) eq 'HASH') {
2133: if (ref($domconfig{'quotas'}{'defaultquota'}) eq 'HASH') {
2134: $domdefaults{'defaultquota'} = $domconfig{'quotas'}{'defaultquota'};
2135: } else {
2136: $domdefaults{'defaultquota'} = $domconfig{'quotas'};
1.1172.2.29 raeburn 2137: }
1.1172.2.6 raeburn 2138: my @usertools = ('aboutme','blog','webdav','portfolio');
1.976 raeburn 2139: foreach my $item (@usertools) {
2140: if (ref($domconfig{'quotas'}{$item}) eq 'HASH') {
2141: $domdefaults{$item} = $domconfig{'quotas'}{$item};
2142: }
2143: }
1.1172.2.29 raeburn 2144: if (ref($domconfig{'quotas'}{'authorquota'}) eq 'HASH') {
2145: $domdefaults{'authorquota'} = $domconfig{'quotas'}{'authorquota'};
2146: }
1.976 raeburn 2147: }
1.985 raeburn 2148: if (ref($domconfig{'requestcourses'}) eq 'HASH') {
1.1172.2.37 raeburn 2149: foreach my $item ('official','unofficial','community','textbook') {
1.985 raeburn 2150: $domdefaults{$item} = $domconfig{'requestcourses'}{$item};
2151: }
2152: }
1.1172.2.9 raeburn 2153: if (ref($domconfig{'requestauthor'}) eq 'HASH') {
2154: $domdefaults{'requestauthor'} = $domconfig{'requestauthor'};
2155: }
1.989 raeburn 2156: if (ref($domconfig{'inststatus'}) eq 'HASH') {
1.1172.2.44 raeburn 2157: foreach my $item ('inststatustypes','inststatusorder','inststatusguest') {
1.989 raeburn 2158: $domdefaults{$item} = $domconfig{'inststatus'}{$item};
2159: }
2160: }
1.1047 raeburn 2161: if (ref($domconfig{'coursedefaults'}) eq 'HASH') {
1.1172.2.60 raeburn 2162: $domdefaults{'usejsme'} = $domconfig{'coursedefaults'}{'usejsme'};
2163: $domdefaults{'uselcmath'} = $domconfig{'coursedefaults'}{'uselcmath'};
2164: if (ref($domconfig{'coursedefaults'}{'postsubmit'}) eq 'HASH') {
2165: $domdefaults{'postsubmit'} = $domconfig{'coursedefaults'}{'postsubmit'}{'client'};
2166: }
1.1172.2.41 raeburn 2167: foreach my $type (@coursetypes) {
2168: if (ref($domconfig{'coursedefaults'}{'coursecredits'}) eq 'HASH') {
2169: unless ($type eq 'community') {
2170: $domdefaults{$type.'credits'} = $domconfig{'coursedefaults'}{'coursecredits'}{$type};
2171: }
2172: }
2173: if (ref($domconfig{'coursedefaults'}{'uploadquota'}) eq 'HASH') {
2174: $domdefaults{$type.'quota'} = $domconfig{'coursedefaults'}{'uploadquota'}{$type};
2175: }
1.1172.2.60 raeburn 2176: if ($domdefaults{'postsubmit'} eq 'on') {
2177: if (ref($domconfig{'coursedefaults'}{'postsubmit'}{'timeout'}) eq 'HASH') {
2178: $domdefaults{$type.'postsubtimeout'} =
2179: $domconfig{'coursedefaults'}{'postsubmit'}{'timeout'}{$type};
2180: }
2181: }
1.1172.2.30 raeburn 2182: }
1.1172.2.67 raeburn 2183: if (ref($domconfig{'coursedefaults'}{'canclone'}) eq 'HASH') {
2184: if (ref($domconfig{'coursedefaults'}{'canclone'}{'instcode'}) eq 'ARRAY') {
2185: my @clonecodes = @{$domconfig{'coursedefaults'}{'canclone'}{'instcode'}};
2186: if (@clonecodes) {
2187: $domdefaults{'canclone'} = join('+',@clonecodes);
2188: }
2189: }
2190: } elsif ($domconfig{'coursedefaults'}{'canclone'}) {
2191: $domdefaults{'canclone'}=$domconfig{'coursedefaults'}{'canclone'};
2192: }
1.1047 raeburn 2193: }
1.1073 raeburn 2194: if (ref($domconfig{'usersessions'}) eq 'HASH') {
2195: if (ref($domconfig{'usersessions'}{'remote'}) eq 'HASH') {
2196: $domdefaults{'remotesessions'} = $domconfig{'usersessions'}{'remote'};
2197: }
2198: if (ref($domconfig{'usersessions'}{'hosted'}) eq 'HASH') {
2199: $domdefaults{'hostedsessions'} = $domconfig{'usersessions'}{'hosted'};
2200: }
1.1172.2.62 raeburn 2201: if (ref($domconfig{'usersessions'}{'offloadnow'}) eq 'HASH') {
2202: $domdefaults{'offloadnow'} = $domconfig{'usersessions'}{'offloadnow'};
2203: }
1.1073 raeburn 2204: }
1.1172.2.41 raeburn 2205: if (ref($domconfig{'selfenrollment'}) eq 'HASH') {
2206: if (ref($domconfig{'selfenrollment'}{'admin'}) eq 'HASH') {
2207: my @settings = ('types','registered','enroll_dates','access_dates','section',
2208: 'approval','limit');
2209: foreach my $type (@coursetypes) {
2210: if (ref($domconfig{'selfenrollment'}{'admin'}{$type}) eq 'HASH') {
2211: my @mgrdc = ();
2212: foreach my $item (@settings) {
2213: if ($domconfig{'selfenrollment'}{'admin'}{$type}{$item} eq '0') {
2214: push(@mgrdc,$item);
2215: }
2216: }
2217: if (@mgrdc) {
2218: $domdefaults{$type.'selfenrolladmdc'} = join(',',@mgrdc);
2219: }
2220: }
2221: }
2222: }
2223: if (ref($domconfig{'selfenrollment'}{'default'}) eq 'HASH') {
2224: foreach my $type (@coursetypes) {
2225: if (ref($domconfig{'selfenrollment'}{'default'}{$type}) eq 'HASH') {
2226: foreach my $item (keys(%{$domconfig{'selfenrollment'}{'default'}{$type}})) {
2227: $domdefaults{$type.'selfenroll'.$item} = $domconfig{'selfenrollment'}{'default'}{$type}{$item};
2228: }
2229: }
2230: }
2231: }
2232: }
1.1172.2.46 raeburn 2233: if (ref($domconfig{'coursecategories'}) eq 'HASH') {
2234: $domdefaults{'catauth'} = 'std';
2235: $domdefaults{'catunauth'} = 'std';
2236: if ($domconfig{'coursecategories'}{'auth'}) {
2237: $domdefaults{'catauth'} = $domconfig{'coursecategories'}{'auth'};
2238: }
2239: if ($domconfig{'coursecategories'}{'unauth'}) {
2240: $domdefaults{'catunauth'} = $domconfig{'coursecategories'}{'unauth'};
2241: }
2242: }
1.1172.2.76 raeburn 2243: if (ref($domconfig{'autoenroll'}) eq 'HASH') {
2244: $domdefaults{'autofailsafe'} = $domconfig{'autoenroll'}{'autofailsafe'};
2245: }
1.1172.2.89 raeburn 2246: if (ref($domconfig{'helpsettings'}) eq 'HASH') {
2247: $domdefaults{'submitbugs'} = $domconfig{'helpsettings'}{'submitbugs'};
2248: if (ref($domconfig{'helpsettings'}{'adhoc'}) eq 'HASH') {
2249: $domdefaults{'adhocroles'} = $domconfig{'helpsettings'}{'adhoc'};
2250: }
2251: }
1.1172.2.23 raeburn 2252: &do_cache_new('domdefaults',$domain,\%domdefaults,$cachetime);
1.943 raeburn 2253: return %domdefaults;
2254: }
2255:
1.1172.2.93.4 2(raebur 2256:7): sub course_portal_url {
2257:7): my ($cnum,$cdom) = @_;
2258:7): my $chome = &homeserver($cnum,$cdom);
2259:7): my $hostname = &hostname($chome);
2260:7): my $protocol = $protocol{$chome};
2261:7): $protocol = 'http' if ($protocol ne 'https');
2262:7): my %domdefaults = &get_domain_defaults($cdom);
2263:7): my $firsturl;
2264:7): if ($domdefaults{'portal_def'}) {
2265:7): $firsturl = $domdefaults{'portal_def'};
2266:7): } else {
2267:7): $firsturl = $protocol.'://'.$hostname;
2268:7): }
2269:7): return $firsturl;
2270:7): }
2271:7):
1.344 www 2272: # --------------------------------------------------- Assign a key to a student
2273:
2274: sub assign_access_key {
1.364 www 2275: #
2276: # a valid key looks like uname:udom#comments
2277: # comments are being appended
2278: #
1.498 www 2279: my ($ckey,$kdom,$knum,$cdom,$cnum,$udom,$uname,$logentry)=@_;
2280: $kdom=
1.620 albertel 2281: $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($kdom));
1.498 www 2282: $knum=
1.620 albertel 2283: $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($knum));
1.344 www 2284: $cdom=
1.620 albertel 2285: $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom));
1.344 www 2286: $cnum=
1.620 albertel 2287: $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum));
2288: $udom=$env{'user.name'} unless (defined($udom));
2289: $uname=$env{'user.domain'} unless (defined($uname));
1.498 www 2290: my %existing=&get('accesskeys',[$ckey],$kdom,$knum);
1.364 www 2291: if (($existing{$ckey}=~/^\#(.*)$/) || # - new key
1.479 albertel 2292: ($existing{$ckey}=~/^\Q$uname\E\:\Q$udom\E\#(.*)$/)) {
1.364 www 2293: # assigned to this person
2294: # - this should not happen,
1.345 www 2295: # unless something went wrong
2296: # the first time around
2297: # ready to assign
1.364 www 2298: $logentry=$1.'; '.$logentry;
1.496 www 2299: if (&put('accesskeys',{$ckey=>$uname.':'.$udom.'#'.$logentry},
1.498 www 2300: $kdom,$knum) eq 'ok') {
1.345 www 2301: # key now belongs to user
1.346 www 2302: my $envkey='key.'.$cdom.'_'.$cnum;
1.345 www 2303: if (&put('environment',{$envkey => $ckey}) eq 'ok') {
1.949 raeburn 2304: &appenv({'environment.'.$envkey => $ckey});
1.345 www 2305: return 'ok';
2306: } else {
2307: return
2308: 'error: Count not permanently assign key, will need to be re-entered later.';
2309: }
2310: } else {
2311: return 'error: Could not assign key, try again later.';
2312: }
1.364 www 2313: } elsif (!$existing{$ckey}) {
1.345 www 2314: # the key does not exist
2315: return 'error: The key does not exist';
2316: } else {
2317: # the key is somebody else's
2318: return 'error: The key is already in use';
2319: }
1.344 www 2320: }
2321:
1.364 www 2322: # ------------------------------------------ put an additional comment on a key
2323:
2324: sub comment_access_key {
2325: #
2326: # a valid key looks like uname:udom#comments
2327: # comments are being appended
2328: #
2329: my ($ckey,$cdom,$cnum,$logentry)=@_;
2330: $cdom=
1.620 albertel 2331: $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom));
1.364 www 2332: $cnum=
1.620 albertel 2333: $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum));
1.364 www 2334: my %existing=&get('accesskeys',[$ckey],$cdom,$cnum);
2335: if ($existing{$ckey}) {
2336: $existing{$ckey}.='; '.$logentry;
2337: # ready to assign
1.367 www 2338: if (&put('accesskeys',{$ckey=>$existing{$ckey}},
1.364 www 2339: $cdom,$cnum) eq 'ok') {
2340: return 'ok';
2341: } else {
2342: return 'error: Count not store comment.';
2343: }
2344: } else {
2345: # the key does not exist
2346: return 'error: The key does not exist';
2347: }
2348: }
2349:
1.344 www 2350: # ------------------------------------------------------ Generate a set of keys
2351:
2352: sub generate_access_keys {
1.364 www 2353: my ($number,$cdom,$cnum,$logentry)=@_;
1.344 www 2354: $cdom=
1.620 albertel 2355: $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom));
1.344 www 2356: $cnum=
1.620 albertel 2357: $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum));
1.361 www 2358: unless (&allowed('mky',$cdom)) { return 0; }
1.344 www 2359: unless (($cdom) && ($cnum)) { return 0; }
2360: if ($number>10000) { return 0; }
2361: sleep(2); # make sure don't get same seed twice
2362: srand(time()^($$+($$<<15))); # from "Programming Perl"
2363: my $total=0;
2364: for (my $i=1;$i<=$number;$i++) {
2365: my $newkey=sprintf("%lx",int(100000*rand)).'-'.
2366: sprintf("%lx",int(100000*rand)).'-'.
2367: sprintf("%lx",int(100000*rand));
2368: $newkey=~s/1/g/g; # folks mix up 1 and l
2369: $newkey=~s/0/h/g; # and also 0 and O
2370: my %existing=&get('accesskeys',[$newkey],$cdom,$cnum);
2371: if ($existing{$newkey}) {
2372: $i--;
2373: } else {
1.364 www 2374: if (&put('accesskeys',
2375: { $newkey => '# generated '.localtime().
1.620 albertel 2376: ' by '.$env{'user.name'}.'@'.$env{'user.domain'}.
1.364 www 2377: '; '.$logentry },
2378: $cdom,$cnum) eq 'ok') {
1.344 www 2379: $total++;
2380: }
2381: }
2382: }
1.620 albertel 2383: &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},
1.344 www 2384: 'Generated '.$total.' keys for '.$cnum.' at '.$cdom);
2385: return $total;
2386: }
2387:
2388: # ------------------------------------------------------- Validate an accesskey
2389:
2390: sub validate_access_key {
2391: my ($ckey,$cdom,$cnum,$udom,$uname)=@_;
2392: $cdom=
1.620 albertel 2393: $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom));
1.344 www 2394: $cnum=
1.620 albertel 2395: $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum));
2396: $udom=$env{'user.domain'} unless (defined($udom));
2397: $uname=$env{'user.name'} unless (defined($uname));
1.345 www 2398: my %existing=&get('accesskeys',[$ckey],$cdom,$cnum);
1.479 albertel 2399: return ($existing{$ckey}=~/^\Q$uname\E\:\Q$udom\E\#/);
1.70 www 2400: }
2401:
2402: # ------------------------------------- Find the section of student in a course
1.652 albertel 2403: sub devalidate_getsection_cache {
2404: my ($udom,$unam,$courseid)=@_;
2405: my $hashid="$udom:$unam:$courseid";
2406: &devalidate_cache_new('getsection',$hashid);
2407: }
1.298 matthew 2408:
1.815 albertel 2409: sub courseid_to_courseurl {
2410: my ($courseid) = @_;
2411: #already url style courseid
2412: return $courseid if ($courseid =~ m{^/});
2413:
2414: if (exists($env{'course.'.$courseid.'.num'})) {
2415: my $cnum = $env{'course.'.$courseid.'.num'};
2416: my $cdom = $env{'course.'.$courseid.'.domain'};
2417: return "/$cdom/$cnum";
2418: }
2419:
2420: my %courseinfo=&Apache::lonnet::coursedescription($courseid);
2421: if (exists($courseinfo{'num'})) {
2422: return "/$courseinfo{'domain'}/$courseinfo{'num'}";
2423: }
2424:
2425: return undef;
2426: }
2427:
1.298 matthew 2428: sub getsection {
2429: my ($udom,$unam,$courseid)=@_;
1.599 albertel 2430: my $cachetime=1800;
1.551 albertel 2431:
2432: my $hashid="$udom:$unam:$courseid";
1.599 albertel 2433: my ($result,$cached)=&is_cached_new('getsection',$hashid);
1.551 albertel 2434: if (defined($cached)) { return $result; }
2435:
1.298 matthew 2436: my %Pending;
2437: my %Expired;
2438: #
2439: # Each role can either have not started yet (pending), be active,
2440: # or have expired.
2441: #
2442: # If there is an active role, we are done.
2443: #
2444: # If there is more than one role which has not started yet,
2445: # choose the one which will start sooner
2446: # If there is one role which has not started yet, return it.
2447: #
2448: # If there is more than one expired role, choose the one which ended last.
2449: # If there is a role which has expired, return it.
2450: #
1.815 albertel 2451: $courseid = &courseid_to_courseurl($courseid);
1.1166 raeburn 2452: my %roleshash = &dump('roles',$udom,$unam,$courseid);
1.817 raeburn 2453: foreach my $key (keys(%roleshash)) {
1.479 albertel 2454: next if ($key !~/^\Q$courseid\E(?:\/)*(\w+)*\_st$/);
1.298 matthew 2455: my $section=$1;
2456: if ($key eq $courseid.'_st') { $section=''; }
1.817 raeburn 2457: my ($dummy,$end,$start)=split(/\_/,&unescape($roleshash{$key}));
1.298 matthew 2458: my $now=time;
1.548 albertel 2459: if (defined($end) && $end && ($now > $end)) {
1.298 matthew 2460: $Expired{$end}=$section;
2461: next;
2462: }
1.548 albertel 2463: if (defined($start) && $start && ($now < $start)) {
1.298 matthew 2464: $Pending{$start}=$section;
2465: next;
2466: }
1.599 albertel 2467: return &do_cache_new('getsection',$hashid,$section,$cachetime);
1.298 matthew 2468: }
2469: #
2470: # Presumedly there will be few matching roles from the above
2471: # loop and the sorting time will be negligible.
2472: if (scalar(keys(%Pending))) {
2473: my ($time) = sort {$a <=> $b} keys(%Pending);
1.599 albertel 2474: return &do_cache_new('getsection',$hashid,$Pending{$time},$cachetime);
1.298 matthew 2475: }
2476: if (scalar(keys(%Expired))) {
2477: my @sorted = sort {$a <=> $b} keys(%Expired);
2478: my $time = pop(@sorted);
1.599 albertel 2479: return &do_cache_new('getsection',$hashid,$Expired{$time},$cachetime);
1.298 matthew 2480: }
1.599 albertel 2481: return &do_cache_new('getsection',$hashid,'-1',$cachetime);
1.298 matthew 2482: }
1.70 www 2483:
1.599 albertel 2484: sub save_cache {
2485: &purge_remembered();
1.722 albertel 2486: #&Apache::loncommon::validate_page();
1.620 albertel 2487: undef(%env);
1.780 albertel 2488: undef($env_loaded);
1.599 albertel 2489: }
1.452 albertel 2490:
1.599 albertel 2491: my $to_remember=-1;
2492: my %remembered;
2493: my %accessed;
2494: my $kicks=0;
2495: my $hits=0;
1.849 albertel 2496: sub make_key {
2497: my ($name,$id) = @_;
1.872 albertel 2498: if (length($id) > 65
2499: && length(&escape($id)) > 200) {
2500: $id=length($id).':'.&Digest::MD5::md5_hex($id);
2501: }
1.849 albertel 2502: return &escape($name.':'.$id);
2503: }
2504:
1.599 albertel 2505: sub devalidate_cache_new {
2506: my ($name,$id,$debug) = @_;
2507: if ($debug) { &Apache::lonnet::logthis("deleting $name:$id"); }
1.1172.2.81 raeburn 2508: my $remembered_id=$name.':'.$id;
1.849 albertel 2509: $id=&make_key($name,$id);
1.599 albertel 2510: $memcache->delete($id);
1.1172.2.81 raeburn 2511: delete($remembered{$remembered_id});
2512: delete($accessed{$remembered_id});
1.599 albertel 2513: }
2514:
2515: sub is_cached_new {
2516: my ($name,$id,$debug) = @_;
1.1172.2.81 raeburn 2517: my $remembered_id=$name.':'.$id; # this is to avoid make_key (which is slow) for
2518: # keys in %remembered hash, which persists for
2519: # duration of request (no restriction on key length).
2520: if (exists($remembered{$remembered_id})) {
2521: if ($debug) { &Apache::lonnet::logthis("Early return $remembered_id of $remembered{$remembered_id} "); }
2522: $accessed{$remembered_id}=[&gettimeofday()];
1.599 albertel 2523: $hits++;
1.1172.2.81 raeburn 2524: return ($remembered{$remembered_id},1);
1.599 albertel 2525: }
1.1172.2.81 raeburn 2526: $id=&make_key($name,$id);
1.599 albertel 2527: my $value = $memcache->get($id);
2528: if (!(defined($value))) {
2529: if ($debug) { &Apache::lonnet::logthis("getting $id is not defined"); }
1.417 albertel 2530: return (undef,undef);
1.416 albertel 2531: }
1.599 albertel 2532: if ($value eq '__undef__') {
2533: if ($debug) { &Apache::lonnet::logthis("getting $id is __undef__"); }
2534: $value=undef;
2535: }
1.1172.2.81 raeburn 2536: &make_room($remembered_id,$value,$debug);
1.599 albertel 2537: if ($debug) { &Apache::lonnet::logthis("getting $id is $value"); }
2538: return ($value,1);
2539: }
2540:
2541: sub do_cache_new {
2542: my ($name,$id,$value,$time,$debug) = @_;
1.1172.2.81 raeburn 2543: my $remembered_id=$name.':'.$id;
1.849 albertel 2544: $id=&make_key($name,$id);
1.599 albertel 2545: my $setvalue=$value;
2546: if (!defined($setvalue)) {
2547: $setvalue='__undef__';
2548: }
1.623 albertel 2549: if (!defined($time) ) {
2550: $time=600;
2551: }
1.599 albertel 2552: if ($debug) { &Apache::lonnet::logthis("Setting $id to $value"); }
1.910 albertel 2553: my $result = $memcache->set($id,$setvalue,$time);
2554: if (! $result) {
1.872 albertel 2555: &logthis("caching of id -> $id failed");
1.910 albertel 2556: $memcache->disconnect_all();
1.872 albertel 2557: }
1.600 albertel 2558: # need to make a copy of $value
1.1172.2.81 raeburn 2559: &make_room($remembered_id,$value,$debug);
1.599 albertel 2560: return $value;
2561: }
2562:
2563: sub make_room {
1.1172.2.81 raeburn 2564: my ($remembered_id,$value,$debug)=@_;
1.919 albertel 2565:
1.1172.2.81 raeburn 2566: $remembered{$remembered_id}= (ref($value)) ? &Storable::dclone($value)
1.919 albertel 2567: : $value;
1.599 albertel 2568: if ($to_remember<0) { return; }
1.1172.2.81 raeburn 2569: $accessed{$remembered_id}=[&gettimeofday()];
1.599 albertel 2570: if (scalar(keys(%remembered)) <= $to_remember) { return; }
2571: my $to_kick;
2572: my $max_time=0;
2573: foreach my $other (keys(%accessed)) {
2574: if (&tv_interval($accessed{$other}) > $max_time) {
2575: $to_kick=$other;
2576: $max_time=&tv_interval($accessed{$other});
2577: }
2578: }
2579: delete($remembered{$to_kick});
2580: delete($accessed{$to_kick});
2581: $kicks++;
2582: if ($debug) { &logthis("kicking $to_kick $max_time $kicks\n"); }
1.541 albertel 2583: return;
2584: }
2585:
1.599 albertel 2586: sub purge_remembered {
1.604 albertel 2587: #&logthis("Tossing ".scalar(keys(%remembered)));
2588: #&logthis(sprintf("%-20s is %s",'%remembered',length(&freeze(\%remembered))));
1.599 albertel 2589: undef(%remembered);
2590: undef(%accessed);
1.428 albertel 2591: }
1.70 www 2592: # ------------------------------------- Read an entry from a user's environment
2593:
2594: sub userenvironment {
2595: my ($udom,$unam,@what)=@_;
1.976 raeburn 2596: my $items;
2597: foreach my $item (@what) {
2598: $items.=&escape($item).'&';
2599: }
2600: $items=~s/\&$//;
1.70 www 2601: my %returnhash=();
1.1009 raeburn 2602: my $uhome = &homeserver($unam,$udom);
2603: unless ($uhome eq 'no_host') {
2604: my @answer=split(/\&/,
2605: &reply('get:'.$udom.':'.$unam.':environment:'.$items,$uhome));
1.1048 raeburn 2606: if ($#answer==0 && $answer[0] =~ /^(con_lost|error:|no_such_host)/i) {
2607: return %returnhash;
2608: }
1.1009 raeburn 2609: my $i;
2610: for ($i=0;$i<=$#what;$i++) {
2611: $returnhash{$what[$i]}=&unescape($answer[$i]);
2612: }
1.70 www 2613: }
2614: return %returnhash;
1.1 albertel 2615: }
2616:
1.617 albertel 2617: # ---------------------------------------------------------- Get a studentphoto
2618: sub studentphoto {
2619: my ($udom,$unam,$ext) = @_;
2620: my $home=&Apache::lonnet::homeserver($unam,$udom);
1.706 raeburn 2621: if (defined($env{'request.course.id'})) {
1.708 raeburn 2622: if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) {
1.706 raeburn 2623: if ($udom eq $env{'course.'.$env{'request.course.id'}.'.domain'}) {
2624: return(&retrievestudentphoto($udom,$unam,$ext));
2625: } else {
2626: my ($result,$perm_reqd)=
1.707 albertel 2627: &Apache::lonnet::auto_photo_permission($unam,$udom);
1.706 raeburn 2628: if ($result eq 'ok') {
2629: if (!($perm_reqd eq 'yes')) {
2630: return(&retrievestudentphoto($udom,$unam,$ext));
2631: }
2632: }
2633: }
2634: }
2635: } else {
2636: my ($result,$perm_reqd) =
1.707 albertel 2637: &Apache::lonnet::auto_photo_permission($unam,$udom);
1.706 raeburn 2638: if ($result eq 'ok') {
2639: if (!($perm_reqd eq 'yes')) {
2640: return(&retrievestudentphoto($udom,$unam,$ext));
2641: }
2642: }
2643: }
2644: return '/adm/lonKaputt/lonlogo_broken.gif';
2645: }
2646:
2647: sub retrievestudentphoto {
2648: my ($udom,$unam,$ext,$type) = @_;
2649: my $home=&Apache::lonnet::homeserver($unam,$udom);
2650: my $ret=&Apache::lonnet::reply("studentphoto:$udom:$unam:$ext:$type",$home);
2651: if ($ret eq 'ok') {
2652: my $url="/uploaded/$udom/$unam/internal/studentphoto.$ext";
2653: if ($type eq 'thumbnail') {
2654: $url="/uploaded/$udom/$unam/internal/studentphoto_tn.$ext";
2655: }
2656: my $tokenurl=&Apache::lonnet::tokenwrapper($url);
2657: return $tokenurl;
2658: } else {
2659: if ($type eq 'thumbnail') {
2660: return '/adm/lonKaputt/genericstudent_tn.gif';
2661: } else {
2662: return '/adm/lonKaputt/lonlogo_broken.gif';
2663: }
1.617 albertel 2664: }
2665: }
2666:
1.263 www 2667: # -------------------------------------------------------------------- New chat
2668:
2669: sub chatsend {
1.724 raeburn 2670: my ($newentry,$anon,$group)=@_;
1.620 albertel 2671: my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'};
2672: my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
2673: my $chome=$env{'course.'.$env{'request.course.id'}.'.home'};
1.263 www 2674: &reply('chatsend:'.$cdom.':'.$cnum.':'.
1.620 albertel 2675: &escape($env{'user.domain'}.':'.$env{'user.name'}.':'.$anon.':'.
1.724 raeburn 2676: &escape($newentry)).':'.$group,$chome);
1.292 www 2677: }
2678:
2679: # ------------------------------------------ Find current version of a resource
2680:
2681: sub getversion {
2682: my $fname=&clutter(shift);
1.1172.2.10 raeburn 2683: unless ($fname=~m{^(/adm/wrapper|)/res/}) { return -1; }
1.292 www 2684: return ¤tversion(&filelocation('',$fname));
2685: }
2686:
2687: sub currentversion {
2688: my $fname=shift;
2689: my $author=$fname;
2690: $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/;
2691: my ($udom,$uname)=split(/\//,$author);
1.1112 www 2692: my $home=&homeserver($uname,$udom);
1.292 www 2693: if ($home eq 'no_host') {
2694: return -1;
2695: }
1.1112 www 2696: my $answer=&reply("currentversion:$fname",$home);
1.292 www 2697: if (($answer eq 'con_lost') || ($answer eq 'rejected')) {
2698: return -1;
2699: }
1.1112 www 2700: return $answer;
1.263 www 2701: }
2702:
1.1111 www 2703: #
2704: # Return special version number of resource if set by override, empty otherwise
2705: #
2706: sub usedversion {
2707: my $fname=shift;
2708: unless ($fname) { $fname=$env{'request.uri'}; }
2709: my ($urlversion)=($fname=~/\.(\d+)\.\w+$/);
2710: if ($urlversion) { return $urlversion; }
2711: return '';
2712: }
2713:
1.1 albertel 2714: # ----------------------------- Subscribe to a resource, return URL if possible
1.11 www 2715:
1.1 albertel 2716: sub subscribe {
2717: my $fname=shift;
1.761 raeburn 2718: if ($fname=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) { return ''; }
1.532 albertel 2719: $fname=~s/[\n\r]//g;
1.1 albertel 2720: my $author=$fname;
2721: $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/;
2722: my ($udom,$uname)=split(/\//,$author);
2723: my $home=homeserver($uname,$udom);
1.335 albertel 2724: if ($home eq 'no_host') {
2725: return 'not_found';
1.1 albertel 2726: }
2727: my $answer=reply("sub:$fname",$home);
1.64 www 2728: if (($answer eq 'con_lost') || ($answer eq 'rejected')) {
2729: $answer.=' by '.$home;
2730: }
1.1 albertel 2731: return $answer;
2732: }
2733:
1.8 www 2734: # -------------------------------------------------------------- Replicate file
2735:
2736: sub repcopy {
2737: my $filename=shift;
1.23 www 2738: $filename=~s/\/+/\//g;
1.1142 raeburn 2739: my $londocroot = $perlvar{'lonDocRoot'};
2740: if ($filename=~m{^\Q$londocroot/adm/\E}) { return 'ok'; }
1.1164 raeburn 2741: if ($filename=~m{^\Q/home/httpd/lonUsers/\E}) { return 'ok'; }
1.1142 raeburn 2742: if ($filename=~m{^\Q$londocroot/userfiles/\E} or
2743: $filename=~m{^/*(uploaded|editupload)/}) {
1.538 albertel 2744: return &repcopy_userfile($filename);
2745: }
1.532 albertel 2746: $filename=~s/[\n\r]//g;
1.8 www 2747: my $transname="$filename.in.transfer";
1.828 www 2748: # FIXME: this should flock
1.607 raeburn 2749: if ((-e $filename) || (-e $transname)) { return 'ok'; }
1.8 www 2750: my $remoteurl=subscribe($filename);
1.64 www 2751: if ($remoteurl =~ /^con_lost by/) {
2752: &logthis("Subscribe returned $remoteurl: $filename");
1.607 raeburn 2753: return 'unavailable';
1.8 www 2754: } elsif ($remoteurl eq 'not_found') {
1.441 albertel 2755: #&logthis("Subscribe returned not_found: $filename");
1.607 raeburn 2756: return 'not_found';
1.64 www 2757: } elsif ($remoteurl =~ /^rejected by/) {
2758: &logthis("Subscribe returned $remoteurl: $filename");
1.607 raeburn 2759: return 'forbidden';
1.20 www 2760: } elsif ($remoteurl eq 'directory') {
1.607 raeburn 2761: return 'ok';
1.8 www 2762: } else {
1.290 www 2763: my $author=$filename;
2764: $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/;
2765: my ($udom,$uname)=split(/\//,$author);
2766: my $home=homeserver($uname,$udom);
2767: unless ($home eq $perlvar{'lonHostID'}) {
1.8 www 2768: my @parts=split(/\//,$filename);
2769: my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
1.1142 raeburn 2770: if ($path ne "$londocroot/res") {
1.8 www 2771: &logthis("Malconfiguration for replication: $filename");
1.607 raeburn 2772: return 'bad_request';
1.8 www 2773: }
2774: my $count;
2775: for ($count=5;$count<$#parts;$count++) {
2776: $path.="/$parts[$count]";
2777: if ((-e $path)!=1) {
2778: mkdir($path,0777);
2779: }
2780: }
2781: my $ua=new LWP::UserAgent;
2782: my $request=new HTTP::Request('GET',"$remoteurl");
2783: my $response=$ua->request($request,$transname);
2784: if ($response->is_error()) {
2785: unlink($transname);
2786: my $message=$response->status_line;
1.672 albertel 2787: &logthis("<font color=\"blue\">WARNING:"
1.12 www 2788: ." LWP get: $message: $filename</font>");
1.607 raeburn 2789: return 'unavailable';
1.8 www 2790: } else {
1.16 www 2791: if ($remoteurl!~/\.meta$/) {
2792: my $mrequest=new HTTP::Request('GET',$remoteurl.'.meta');
2793: my $mresponse=$ua->request($mrequest,$filename.'.meta');
2794: if ($mresponse->is_error()) {
2795: unlink($filename.'.meta');
2796: &logthis(
1.672 albertel 2797: "<font color=\"yellow\">INFO: No metadata: $filename</font>");
1.16 www 2798: }
2799: }
1.8 www 2800: rename($transname,$filename);
1.607 raeburn 2801: return 'ok';
1.8 www 2802: }
1.290 www 2803: }
1.8 www 2804: }
1.330 www 2805: }
2806:
2807: # ------------------------------------------------ Get server side include body
2808: sub ssi_body {
1.381 albertel 2809: my ($filelink,%form)=@_;
1.606 matthew 2810: if (! exists($form{'LONCAPA_INTERNAL_no_discussion'})) {
2811: $form{'LONCAPA_INTERNAL_no_discussion'}='true';
2812: }
1.953 www 2813: my $output='';
2814: my $response;
1.980 raeburn 2815: if ($filelink=~/^https?\:/) {
1.954 raeburn 2816: ($output,$response)=&externalssi($filelink);
1.953 www 2817: } else {
1.1004 droeschl 2818: $filelink .= $filelink=~/\?/ ? '&' : '?';
2819: $filelink .= 'inhibitmenu=yes';
1.953 www 2820: ($output,$response)=&ssi($filelink,%form);
2821: }
1.778 albertel 2822: $output=~s|//(\s*<!--)? BEGIN LON-CAPA Internal.+?// END LON-CAPA Internal\s*(-->)?\s||gs;
1.451 albertel 2823: $output=~s/^.*?\<body[^\>]*\>//si;
1.930 albertel 2824: $output=~s/\<\/body\s*\>.*?$//si;
1.953 www 2825: if (wantarray) {
2826: return ($output, $response);
2827: } else {
2828: return $output;
2829: }
1.8 www 2830: }
2831:
1.15 www 2832: # --------------------------------------------------------- Server Side Include
2833:
1.782 albertel 2834: sub absolute_url {
2835: my ($host_name) = @_;
2836: my $protocol = ($ENV{'SERVER_PORT'} == 443?'https://':'http://');
2837: if ($host_name eq '') {
2838: $host_name = $ENV{'SERVER_NAME'};
2839: }
2840: return $protocol.$host_name;
2841: }
2842:
1.942 foxr 2843: #
2844: # Server side include.
2845: # Parameters:
2846: # fn Possibly encrypted resource name/id.
2847: # form Hash that describes how the rendering should be done
2848: # and other things.
1.944 foxr 2849: # Returns:
1.950 raeburn 2850: # Scalar context: The content of the response.
2851: # Array context: 2 element list of the content and the full response object.
1.942 foxr 2852: #
1.15 www 2853: sub ssi {
2854:
1.944 foxr 2855: my ($fn,%form)=@_;
1.15 www 2856: my $ua=new LWP::UserAgent;
1.23 www 2857: my $request;
1.711 albertel 2858:
2859: $form{'no_update_last_known'}=1;
1.895 albertel 2860: &Apache::lonenc::check_encrypt(\$fn);
1.23 www 2861: if (%form) {
1.782 albertel 2862: $request=new HTTP::Request('POST',&absolute_url().$fn);
1.1172.2.58 raeburn 2863: $request->content(join('&',map {
2864: my $name = escape($_);
2865: "$name=" . ( ref($form{$_}) eq 'ARRAY'
2866: ? join("&$name=", map {escape($_) } @{$form{$_}})
2867: : &escape($form{$_}) );
2868: } keys(%form)));
1.23 www 2869: } else {
1.782 albertel 2870: $request=new HTTP::Request('GET',&absolute_url().$fn);
1.23 www 2871: }
2872:
1.15 www 2873: $request->header(Cookie => $ENV{'HTTP_COOKIE'});
1.1172.2.2 raeburn 2874: my $response= $ua->request($request);
1.944 foxr 2875: if (wantarray) {
1.1172.2.3 raeburn 2876: return ($response->content, $response);
1.944 foxr 2877: } else {
1.1172.2.3 raeburn 2878: return $response->content;
1.942 foxr 2879: }
1.324 www 2880: }
2881:
2882: sub externalssi {
2883: my ($url)=@_;
2884: my $ua=new LWP::UserAgent;
2885: my $request=new HTTP::Request('GET',$url);
2886: my $response=$ua->request($request);
1.954 raeburn 2887: if (wantarray) {
2888: return ($response->content, $response);
2889: } else {
2890: return $response->content;
2891: }
1.15 www 2892: }
1.254 www 2893:
1.492 albertel 2894: # -------------------------------- Allow a /uploaded/ URI to be vouched for
2895:
2896: sub allowuploaded {
2897: my ($srcurl,$url)=@_;
2898: $url=&clutter(&declutter($url));
2899: my $dir=$url;
2900: $dir=~s/\/[^\/]+$//;
2901: my %httpref=();
2902: my $httpurl=&hreflocation('',$url);
2903: $httpref{'httpref.'.$httpurl}=$srcurl;
1.949 raeburn 2904: &Apache::lonnet::appenv(\%httpref);
1.254 www 2905: }
1.477 raeburn 2906:
1.1172.2.13 raeburn 2907: #
2908: # Determine if the current user should be able to edit a particular resource,
2909: # when viewing in course context.
2910: # (a) When viewing resource used to determine if "Edit" item is included in
2911: # Functions.
2912: # (b) When displaying folder contents in course editor, used to determine if
2913: # "Edit" link will be displayed alongside resource.
2914: #
2915: # input: six args -- filename (decluttered), course number, course domain,
2916: # url, symb (if registered) and group (if this is a group
2917: # item -- e.g., bulletin board, group page etc.).
2918: # output: array of five scalars --
2919: # $cfile -- url for file editing if editable on current server
2920: # $home -- homeserver of resource (i.e., for author if published,
2921: # or course if uploaded.).
2922: # $switchserver -- 1 if server switch will be needed.
2923: # $forceedit -- 1 if icon/link should be to go to edit mode
2924: # $forceview -- 1 if icon/link should be to go to view mode
2925: #
2926:
2927: sub can_edit_resource {
2928: my ($file,$cnum,$cdom,$resurl,$symb,$group) = @_;
2929: my ($cfile,$home,$switchserver,$forceedit,$forceview,$uploaded,$incourse);
2930: #
2931: # For aboutme pages user can only edit his/her own.
2932: #
2933: if ($resurl =~ m{^/?adm/($match_domain)/($match_username)/aboutme$}) {
2934: my ($sdom,$sname) = ($1,$2);
2935: if (($sdom eq $env{'user.domain'}) && ($sname eq $env{'user.name'})) {
2936: $home = $env{'user.home'};
2937: $cfile = $resurl;
2938: if ($env{'form.forceedit'}) {
2939: $forceview = 1;
2940: } else {
2941: $forceedit = 1;
2942: }
2943: return ($cfile,$home,$switchserver,$forceedit,$forceview);
2944: } else {
2945: return;
2946: }
2947: }
2948:
2949: if ($env{'request.course.id'}) {
2950: my $crsedit = &Apache::lonnet::allowed('mdc',$env{'request.course.id'});
2951: if ($group ne '') {
2952: # if this is a group homepage or group bulletin board, check group privs
2953: my $allowed = 0;
2954: if ($resurl =~ m{^/?adm/$cdom/$cnum/$group/smppg$}) {
2955: if ((&allowed('mdg',$env{'request.course.id'}.
2956: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) ||
2957: (&allowed('mgh',$env{'request.course.id'}.'/'.$group)) || $crsedit) {
2958: $allowed = 1;
2959: }
2960: } elsif ($resurl =~ m{^/?adm/$cdom/$cnum/\d+/bulletinboard$}) {
2961: if ((&allowed('mdg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) ||
2962: (&allowed('cgb',$env{'request.course.id'}.'/'.$group)) || $crsedit) {
2963: $allowed = 1;
2964: }
2965: }
2966: if ($allowed) {
2967: $home=&homeserver($cnum,$cdom);
2968: if ($env{'form.forceedit'}) {
2969: $forceview = 1;
2970: } else {
2971: $forceedit = 1;
2972: }
2973: $cfile = $resurl;
2974: } else {
2975: return;
2976: }
2977: } else {
1.1172.2.15 raeburn 2978: if ($resurl =~ m{^/?adm/viewclasslist$}) {
2979: unless (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) {
2980: return;
2981: }
2982: } elsif (!$crsedit) {
1.1172.2.13 raeburn 2983: #
2984: # No edit allowed where CC has switched to student role.
2985: #
2986: return;
2987: }
2988: }
2989: }
2990:
2991: if ($file ne '') {
2992: if (($cnum =~ /$match_courseid/) && ($cdom =~ /$match_domain/)) {
2993: if (&is_course_upload($file,$cnum,$cdom)) {
2994: $uploaded = 1;
2995: $incourse = 1;
2996: if ($file =~/\.(htm|html|css|js|txt)$/) {
2997: $cfile = &hreflocation('',$file);
2998: if ($env{'form.forceedit'}) {
2999: $forceview = 1;
3000: } else {
3001: $forceedit = 1;
3002: }
3003: }
3004: } elsif ($resurl =~ m{^/public/$cdom/$cnum/syllabus}) {
3005: $incourse = 1;
3006: if ($env{'form.forceedit'}) {
3007: $forceview = 1;
3008: } else {
3009: $forceedit = 1;
3010: }
3011: $cfile = $resurl;
3012: } elsif (($resurl ne '') && (&is_on_map($resurl))) {
3013: if ($resurl =~ m{^/adm/$match_domain/$match_username/\d+/smppg|bulletinboard$}) {
3014: $incourse = 1;
3015: if ($env{'form.forceedit'}) {
3016: $forceview = 1;
3017: } else {
3018: $forceedit = 1;
3019: }
3020: $cfile = $resurl;
3021: } elsif ($resurl eq '/res/lib/templates/simpleproblem.problem') {
3022: $incourse = 1;
3023: $cfile = $resurl.'/smpedit';
3024: } elsif ($resurl =~ m{^/adm/wrapper/ext/}) {
3025: $incourse = 1;
3026: if ($env{'form.forceedit'}) {
3027: $forceview = 1;
3028: } else {
3029: $forceedit = 1;
3030: }
3031: $cfile = $resurl;
1.1172.2.93.4 2(raebur 3032:7): } elsif ($resurl =~ m{^/adm/wrapper/adm/$cdom/$cnum/\d+/ext\.tool$}) {
3033:7): $incourse = 1;
3034:7): if ($env{'form.forceedit'}) {
3035:7): $forceview = 1;
3036:7): } else {
3037:7): $forceedit = 1;
3038:7): }
3039:7): $cfile = $resurl;
1.1172.2.15 raeburn 3040: } elsif ($resurl =~ m{^/?adm/viewclasslist$}) {
3041: $incourse = 1;
3042: if ($env{'form.forceedit'}) {
3043: $forceview = 1;
3044: } else {
3045: $forceedit = 1;
3046: }
3047: $cfile = ($resurl =~ m{^/} ? $resurl : "/$resurl");
1.1172.2.13 raeburn 3048: }
3049: } elsif ($resurl eq '/res/lib/templates/simpleproblem.problem/smpedit') {
3050: my $template = '/res/lib/templates/simpleproblem.problem';
3051: if (&is_on_map($template)) {
3052: $incourse = 1;
3053: $forceview = 1;
3054: $cfile = $template;
3055: }
3056: } elsif (($resurl =~ m{^/adm/wrapper/ext/}) && ($env{'form.folderpath'} =~ /^supplemental/)) {
3057: $incourse = 1;
3058: if ($env{'form.forceedit'}) {
3059: $forceview = 1;
3060: } else {
3061: $forceedit = 1;
3062: }
3063: $cfile = $resurl;
1.1172.2.93.4 2(raebur 3064:7): } elsif (($resurl =~ m{^/adm/wrapper/adm/$cdom/$cnum/\d+/ext\.tool$}) && ($env{'form.folderpath'} =~ /^supplemental/)) {
3065:7): $incourse = 1;
3066:7): if ($env{'form.forceedit'}) {
3067:7): $forceview = 1;
3068:7): } else {
3069:7): $forceedit = 1;
3070:7): }
3071:7): $cfile = $resurl;
1.1172.2.13 raeburn 3072: } elsif (($resurl eq '/adm/extresedit') && ($symb || $env{'form.folderpath'})) {
3073: $incourse = 1;
3074: $forceview = 1;
3075: if ($symb) {
3076: my ($map,$id,$res)=&decode_symb($symb);
3077: $env{'request.symb'} = $symb;
3078: $cfile = &clutter($res);
3079: } else {
3080: $cfile = $env{'form.suppurl'};
1.1172.2.93.4 1(raebur 3081:7): my $escfile = &unescape($cfile);
2(raebur 3082:7): if ($escfile =~ m{^/adm/$cdom/$cnum/\d+/ext\.tool$}) {
3083:7): $cfile = '/adm/wrapper'.$escfile;
3084:7): } else {
3085:7): $escfile =~ s{^http://}{};
3086:7): $cfile = &escape("/adm/wrapper/ext/$escfile");
3087:7): }
1.1172.2.13 raeburn 3088: }
1.1172.2.31 raeburn 3089: } elsif ($resurl =~ m{^/?adm/viewclasslist$}) {
3090: if ($env{'form.forceedit'}) {
3091: $forceview = 1;
3092: } else {
3093: $forceedit = 1;
3094: }
3095: $cfile = ($resurl =~ m{^/} ? $resurl : "/$resurl");
1.1172.2.13 raeburn 3096: }
3097: }
3098: if ($uploaded || $incourse) {
3099: $home=&homeserver($cnum,$cdom);
1.1172.2.14 raeburn 3100: } elsif ($file !~ m{/$}) {
1.1172.2.13 raeburn 3101: $file=~s{^(priv/$match_domain/$match_username)}{/$1};
3102: $file=~s{^($match_domain/$match_username)}{/priv/$1};
3103: # Check that the user has permission to edit this resource
3104: my $setpriv = 1;
3105: my ($cfuname,$cfudom)=&constructaccess($file,$setpriv);
3106: if (defined($cfudom)) {
3107: $home=&homeserver($cfuname,$cfudom);
3108: $cfile=$file;
3109: }
3110: }
3111: if (($cfile ne '') && (!$incourse || $uploaded) &&
3112: (($home ne '') && ($home ne 'no_host'))) {
3113: my @ids=¤t_machine_ids();
3114: unless (grep(/^\Q$home\E$/,@ids)) {
3115: $switchserver=1;
3116: }
3117: }
3118: }
3119: return ($cfile,$home,$switchserver,$forceedit,$forceview);
3120: }
3121:
3122: sub is_course_upload {
3123: my ($file,$cnum,$cdom) = @_;
3124: my $uploadpath = &LONCAPA::propath($cdom,$cnum);
3125: $uploadpath =~ s{^\/}{};
3126: if (($file =~ m{^\Q$uploadpath\E/userfiles/(docs|supplemental)/}) ||
3127: ($file =~ m{^userfiles/\Q$cdom\E/\Q$cnum\E/(docs|supplemental)/})) {
3128: return 1;
3129: }
3130: return;
3131: }
3132:
3133: sub in_course {
3134: my ($udom,$uname,$cdom,$cnum,$type,$hideprivileged) = @_;
3135: if ($hideprivileged) {
3136: my $skipuser;
1.1172.2.23 raeburn 3137: my %coursehash = &coursedescription($cdom.'_'.$cnum);
3138: my @possdoms = ($cdom);
3139: if ($coursehash{'checkforpriv'}) {
3140: push(@possdoms,split(/,/,$coursehash{'checkforpriv'}));
3141: }
3142: if (&privileged($uname,$udom,\@possdoms)) {
1.1172.2.13 raeburn 3143: $skipuser = 1;
3144: if ($coursehash{'nothideprivileged'}) {
3145: foreach my $item (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
3146: my $user;
3147: if ($item =~ /:/) {
3148: $user = $item;
3149: } else {
3150: $user = join(':',split(/[\@]/,$item));
3151: }
3152: if ($user eq $uname.':'.$udom) {
3153: undef($skipuser);
3154: last;
3155: }
3156: }
3157: }
3158: if ($skipuser) {
3159: return 0;
3160: }
3161: }
3162: }
3163: $type ||= 'any';
3164: if (!defined($cdom) || !defined($cnum)) {
3165: my $cid = $env{'request.course.id'};
3166: $cdom = $env{'course.'.$cid.'.domain'};
3167: $cnum = $env{'course.'.$cid.'.num'};
3168: }
3169: my $typesref;
3170: if (($type eq 'any') || ($type eq 'all')) {
3171: $typesref = ['active','previous','future'];
3172: } elsif ($type eq 'previous' || $type eq 'future') {
3173: $typesref = [$type];
3174: }
3175: my %roles = &get_my_roles($uname,$udom,'userroles',
3176: $typesref,undef,[$cdom]);
3177: my ($tmp) = keys(%roles);
3178: return 0 if ($tmp =~ /^(con_lost|error|no_such_host)/i);
3179: my @course_roles = grep(/^\Q$cnum\E:\Q$cdom\E:/, keys(%roles));
3180: if (@course_roles > 0) {
3181: return 1;
3182: }
3183: return 0;
3184: }
3185:
1.478 albertel 3186: # --------- File operations in /home/httpd/html/userfiles/$domain/1/2/3/$course
1.638 albertel 3187: # input: action, courseID, current domain, intended
1.637 raeburn 3188: # path to file, source of file, instruction to parse file for objects,
3189: # ref to hash for embedded objects,
3190: # ref to hash for codebase of java objects.
1.1095 raeburn 3191: # reference to scalar to accommodate mime type determined
3192: # from File::MMagic if $parser = parse.
1.637 raeburn 3193: #
1.485 raeburn 3194: # output: url to file (if action was uploaddoc),
3195: # ok if successful, or diagnostic message otherwise (if action was propagate or copy)
1.477 raeburn 3196: #
1.478 albertel 3197: # Allows directory structure to be used within lonUsers/../userfiles/ for a
3198: # course.
1.477 raeburn 3199: #
1.478 albertel 3200: # action = propagate - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file
3201: # will be copied to /home/httpd/lonUsers/1/2/3/$course/userfiles in
3202: # course's home server.
1.477 raeburn 3203: #
1.478 albertel 3204: # action = copy - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file will
3205: # be copied from $source (current location) to
3206: # /home/httpd/html/userfiles/$domain/1/2/3/$course/$file
3207: # and will then be copied to
3208: # /home/httpd/lonUsers/$domain/1/2/3/$course/userfiles/$file in
3209: # course's home server.
1.485 raeburn 3210: #
1.481 raeburn 3211: # action = uploaddoc - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file
1.620 albertel 3212: # will be retrived from $env{form.uploaddoc} (from DOCS interface) to
1.481 raeburn 3213: # /home/httpd/html/userfiles/$domain/1/2/3/$course/$file
3214: # and will then be copied to /home/httpd/lonUsers/1/2/3/$course/userfiles/$file
3215: # in course's home server.
1.637 raeburn 3216: #
1.477 raeburn 3217:
3218: sub process_coursefile {
1.1095 raeburn 3219: my ($action,$docuname,$docudom,$file,$source,$parser,$allfiles,$codebase,
3220: $mimetype)=@_;
1.477 raeburn 3221: my $fetchresult;
1.638 albertel 3222: my $home=&homeserver($docuname,$docudom);
1.477 raeburn 3223: if ($action eq 'propagate') {
1.638 albertel 3224: $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file,
3225: $home);
1.481 raeburn 3226: } else {
1.477 raeburn 3227: my $fpath = '';
3228: my $fname = $file;
1.478 albertel 3229: ($fpath,$fname) = ($file =~ m|^(.*)/([^/]+)$|);
1.477 raeburn 3230: $fpath=$docudom.'/'.$docuname.'/'.$fpath;
1.637 raeburn 3231: my $filepath = &build_filepath($fpath);
1.481 raeburn 3232: if ($action eq 'copy') {
3233: if ($source eq '') {
3234: $fetchresult = 'no source file';
3235: return $fetchresult;
3236: } else {
3237: my $destination = $filepath.'/'.$fname;
3238: rename($source,$destination);
3239: $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file,
1.638 albertel 3240: $home);
1.481 raeburn 3241: }
3242: } elsif ($action eq 'uploaddoc') {
3243: open(my $fh,'>'.$filepath.'/'.$fname);
1.620 albertel 3244: print $fh $env{'form.'.$source};
1.481 raeburn 3245: close($fh);
1.637 raeburn 3246: if ($parser eq 'parse') {
1.1024 raeburn 3247: my $mm = new File::MMagic;
1.1095 raeburn 3248: my $type = $mm->checktype_filename($filepath.'/'.$fname);
3249: if ($type eq 'text/html') {
1.1024 raeburn 3250: my $parse_result = &extract_embedded_items($filepath.'/'.$fname,$allfiles,$codebase);
3251: unless ($parse_result eq 'ok') {
3252: &logthis('Failed to parse '.$filepath.'/'.$fname.' for embedded media: '.$parse_result);
3253: }
1.637 raeburn 3254: }
1.1095 raeburn 3255: if (ref($mimetype)) {
3256: $$mimetype = $type;
3257: }
1.637 raeburn 3258: }
1.477 raeburn 3259: $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file,
1.638 albertel 3260: $home);
1.481 raeburn 3261: if ($fetchresult eq 'ok') {
3262: return '/uploaded/'.$fpath.'/'.$fname;
3263: } else {
3264: &logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file.
1.638 albertel 3265: ' to host '.$home.': '.$fetchresult);
1.481 raeburn 3266: return '/adm/notfound.html';
3267: }
1.477 raeburn 3268: }
3269: }
1.485 raeburn 3270: unless ( $fetchresult eq 'ok') {
1.477 raeburn 3271: &logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file.
1.638 albertel 3272: ' to host '.$home.': '.$fetchresult);
1.477 raeburn 3273: }
3274: return $fetchresult;
3275: }
3276:
1.637 raeburn 3277: sub build_filepath {
3278: my ($fpath) = @_;
3279: my $filepath=$perlvar{'lonDocRoot'}.'/userfiles';
3280: unless ($fpath eq '') {
3281: my @parts=split('/',$fpath);
3282: foreach my $part (@parts) {
3283: $filepath.= '/'.$part;
3284: if ((-e $filepath)!=1) {
3285: mkdir($filepath,0777);
3286: }
3287: }
3288: }
3289: return $filepath;
3290: }
3291:
3292: sub store_edited_file {
1.638 albertel 3293: my ($primary_url,$content,$docudom,$docuname,$fetchresult) = @_;
1.637 raeburn 3294: my $file = $primary_url;
3295: $file =~ s#^/uploaded/$docudom/$docuname/##;
3296: my $fpath = '';
3297: my $fname = $file;
3298: ($fpath,$fname) = ($file =~ m|^(.*)/([^/]+)$|);
3299: $fpath=$docudom.'/'.$docuname.'/'.$fpath;
3300: my $filepath = &build_filepath($fpath);
3301: open(my $fh,'>'.$filepath.'/'.$fname);
3302: print $fh $content;
3303: close($fh);
1.638 albertel 3304: my $home=&homeserver($docuname,$docudom);
1.637 raeburn 3305: $$fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file,
1.638 albertel 3306: $home);
1.637 raeburn 3307: if ($$fetchresult eq 'ok') {
3308: return '/uploaded/'.$fpath.'/'.$fname;
3309: } else {
1.638 albertel 3310: &logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file.
3311: ' to host '.$home.': '.$$fetchresult);
1.637 raeburn 3312: return '/adm/notfound.html';
3313: }
3314: }
3315:
1.531 albertel 3316: sub clean_filename {
1.831 albertel 3317: my ($fname,$args)=@_;
1.315 www 3318: # Replace Windows backslashes by forward slashes
1.257 www 3319: $fname=~s/\\/\//g;
1.831 albertel 3320: if (!$args->{'keep_path'}) {
3321: # Get rid of everything but the actual filename
3322: $fname=~s/^.*\/([^\/]+)$/$1/;
3323: }
1.315 www 3324: # Replace spaces by underscores
3325: $fname=~s/\s+/\_/g;
3326: # Replace all other weird characters by nothing
1.831 albertel 3327: $fname=~s{[^/\w\.\-]}{}g;
1.540 albertel 3328: # Replace all .\d. sequences with _\d. so they no longer look like version
3329: # numbers
3330: $fname=~s/\.(\d+)(?=\.)/_$1/g;
1.531 albertel 3331: return $fname;
3332: }
1.1051 raeburn 3333: # This Function checks if an Image's dimensions exceed either $resizewidth (width)
3334: # or $resizeheight (height) - both pixels. If so, the image is scaled to produce an
3335: # image with the same aspect ratio as the original, but with dimensions which do
3336: # not exceed $resizewidth and $resizeheight.
3337:
1.984 neumanie 3338: sub resizeImage {
1.1051 raeburn 3339: my ($img_path,$resizewidth,$resizeheight) = @_;
3340: my $ima = Image::Magick->new;
3341: my $resized;
3342: if (-e $img_path) {
3343: $ima->Read($img_path);
3344: if (($resizewidth =~ /^\d+$/) && ($resizeheight > 0)) {
3345: my $width = $ima->Get('width');
3346: my $height = $ima->Get('height');
3347: if ($width > $resizewidth) {
3348: my $factor = $width/$resizewidth;
3349: my $newheight = $height/$factor;
3350: $ima->Scale(width=>$resizewidth,height=>$newheight);
3351: $resized = 1;
3352: }
3353: }
3354: if (($resizeheight =~ /^\d+$/) && ($resizeheight > 0)) {
3355: my $width = $ima->Get('width');
3356: my $height = $ima->Get('height');
3357: if ($height > $resizeheight) {
3358: my $factor = $height/$resizeheight;
3359: my $newwidth = $width/$factor;
3360: $ima->Scale(width=>$newwidth,height=>$resizeheight);
3361: $resized = 1;
3362: }
3363: }
3364: if ($resized) {
3365: $ima->Write($img_path);
3366: }
3367: }
3368: return;
1.977 amueller 3369: }
3370:
1.608 albertel 3371: # --------------- Take an uploaded file and put it into the userfiles directory
1.686 albertel 3372: # input: $formname - the contents of the file are in $env{"form.$formname"}
1.1093 raeburn 3373: # the desired filename is in $env{"form.$formname.filename"}
1.1090 raeburn 3374: # $context - possible values: coursedoc, existingfile, overwrite,
3375: # canceloverwrite, or ''.
3376: # if 'coursedoc': upload to the current course
3377: # if 'existingfile': write file to tmp/overwrites directory
3378: # if 'canceloverwrite': delete file written to tmp/overwrites directory
3379: # $context is passed as argument to &finishuserfileupload
1.686 albertel 3380: # $subdir - directory in userfile to store the file into
1.858 raeburn 3381: # $parser - instruction to parse file for objects ($parser = parse)
3382: # $allfiles - reference to hash for embedded objects
3383: # $codebase - reference to hash for codebase of java objects
3384: # $desuname - username for permanent storage of uploaded file
3385: # $dsetudom - domain for permanaent storage of uploaded file
1.860 raeburn 3386: # $thumbwidth - width (pixels) of thumbnail to make for uploaded image
3387: # $thumbheight - height (pixels) of thumbnail to make for uploaded image
1.1051 raeburn 3388: # $resizewidth - width (pixels) to which to resize uploaded image
3389: # $resizeheight - height (pixels) to which to resize uploaded image
1.1095 raeburn 3390: # $mimetype - reference to scalar to accommodate mime type determined
1.1152 raeburn 3391: # from File::MMagic.
1.858 raeburn 3392: #
1.686 albertel 3393: # output: url of file in userspace, or error: <message>
3394: # or /adm/notfound.html if failure to upload occurse
1.608 albertel 3395:
1.531 albertel 3396: sub userfileupload {
1.1090 raeburn 3397: my ($formname,$context,$subdir,$parser,$allfiles,$codebase,$destuname,
1.1095 raeburn 3398: $destudom,$thumbwidth,$thumbheight,$resizewidth,$resizeheight,$mimetype)=@_;
1.531 albertel 3399: if (!defined($subdir)) { $subdir='unknown'; }
1.620 albertel 3400: my $fname=$env{'form.'.$formname.'.filename'};
1.531 albertel 3401: $fname=&clean_filename($fname);
1.1090 raeburn 3402: # See if there is anything left
1.257 www 3403: unless ($fname) { return 'error: no uploaded file'; }
1.1090 raeburn 3404: # Files uploaded to help request form, or uploaded to "create course" page are handled differently
3405: if ((($formname eq 'screenshot') && ($subdir eq 'helprequests')) ||
3406: (($formname eq 'coursecreatorxml') && ($subdir eq 'batchupload')) ||
3407: ($context eq 'existingfile') || ($context eq 'canceloverwrite')) {
1.523 raeburn 3408: my $now = time;
1.1090 raeburn 3409: my $filepath;
1.1095 raeburn 3410: if (($formname eq 'screenshot') && ($subdir eq 'helprequests')) {
1.1090 raeburn 3411: $filepath = 'tmp/helprequests/'.$now;
3412: } elsif (($formname eq 'coursecreatorxml') && ($subdir eq 'batchupload')) {
3413: $filepath = 'tmp/addcourse/'.$destudom.'/web/'.$env{'user.name'}.
3414: '_'.$env{'user.domain'}.'/pending';
3415: } elsif (($context eq 'existingfile') || ($context eq 'canceloverwrite')) {
3416: my ($docuname,$docudom);
3417: if ($destudom) {
3418: $docudom = $destudom;
3419: } else {
3420: $docudom = $env{'user.domain'};
3421: }
3422: if ($destuname) {
3423: $docuname = $destuname;
3424: } else {
3425: $docuname = $env{'user.name'};
3426: }
3427: if (exists($env{'form.group'})) {
3428: $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
3429: $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
3430: }
3431: $filepath = 'tmp/overwrites/'.$docudom.'/'.$docuname.'/'.$subdir;
3432: if ($context eq 'canceloverwrite') {
3433: my $tempfile = $perlvar{'lonDaemons'}.'/'.$filepath.'/'.$fname;
3434: if (-e $tempfile) {
3435: my @info = stat($tempfile);
3436: if ($info[9] eq $env{'form.timestamp'}) {
3437: unlink($tempfile);
3438: }
3439: }
3440: return;
1.523 raeburn 3441: }
3442: }
1.1090 raeburn 3443: # Create the directory if not present
1.741 raeburn 3444: my @parts=split(/\//,$filepath);
3445: my $fullpath = $perlvar{'lonDaemons'};
3446: for (my $i=0;$i<@parts;$i++) {
3447: $fullpath .= '/'.$parts[$i];
3448: if ((-e $fullpath)!=1) {
3449: mkdir($fullpath,0777);
3450: }
3451: }
3452: open(my $fh,'>'.$fullpath.'/'.$fname);
3453: print $fh $env{'form.'.$formname};
3454: close($fh);
1.1090 raeburn 3455: if ($context eq 'existingfile') {
3456: my @info = stat($fullpath.'/'.$fname);
3457: return ($fullpath.'/'.$fname,$info[9]);
3458: } else {
3459: return $fullpath.'/'.$fname;
3460: }
1.523 raeburn 3461: }
1.995 raeburn 3462: if ($subdir eq 'scantron') {
3463: $fname = 'scantron_orig_'.$fname;
1.1093 raeburn 3464: } else {
1.995 raeburn 3465: $fname="$subdir/$fname";
3466: }
1.1090 raeburn 3467: if ($context eq 'coursedoc') {
1.638 albertel 3468: my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
3469: my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.646 raeburn 3470: if ($env{'form.folder'} =~ m/^(default|supplemental)/) {
1.638 albertel 3471: return &finishuserfileupload($docuname,$docudom,
3472: $formname,$fname,$parser,$allfiles,
1.1051 raeburn 3473: $codebase,$thumbwidth,$thumbheight,
1.1095 raeburn 3474: $resizewidth,$resizeheight,$context,$mimetype);
1.481 raeburn 3475: } else {
1.1172.2.21 raeburn 3476: if ($env{'form.folder'}) {
3477: $fname=$env{'form.folder'}.'/'.$fname;
3478: }
1.638 albertel 3479: return &process_coursefile('uploaddoc',$docuname,$docudom,
3480: $fname,$formname,$parser,
1.1095 raeburn 3481: $allfiles,$codebase,$mimetype);
1.481 raeburn 3482: }
1.719 banghart 3483: } elsif (defined($destuname)) {
3484: my $docuname=$destuname;
3485: my $docudom=$destudom;
1.860 raeburn 3486: return &finishuserfileupload($docuname,$docudom,$formname,$fname,
3487: $parser,$allfiles,$codebase,
1.1051 raeburn 3488: $thumbwidth,$thumbheight,
1.1095 raeburn 3489: $resizewidth,$resizeheight,$context,$mimetype);
1.259 www 3490: } else {
1.638 albertel 3491: my $docuname=$env{'user.name'};
3492: my $docudom=$env{'user.domain'};
1.1172.2.23 raeburn 3493: if ((exists($env{'form.group'})) || ($context eq 'syllabus')) {
1.714 raeburn 3494: $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
3495: $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
3496: }
1.860 raeburn 3497: return &finishuserfileupload($docuname,$docudom,$formname,$fname,
3498: $parser,$allfiles,$codebase,
1.1051 raeburn 3499: $thumbwidth,$thumbheight,
1.1095 raeburn 3500: $resizewidth,$resizeheight,$context,$mimetype);
1.259 www 3501: }
1.271 www 3502: }
3503:
3504: sub finishuserfileupload {
1.860 raeburn 3505: my ($docuname,$docudom,$formname,$fname,$parser,$allfiles,$codebase,
1.1095 raeburn 3506: $thumbwidth,$thumbheight,$resizewidth,$resizeheight,$context,$mimetype) = @_;
1.477 raeburn 3507: my $path=$docudom.'/'.$docuname.'/';
1.258 www 3508: my $filepath=$perlvar{'lonDocRoot'};
1.984 neumanie 3509:
1.860 raeburn 3510: my ($fnamepath,$file,$fetchthumb);
1.494 albertel 3511: $file=$fname;
3512: if ($fname=~m|/|) {
3513: ($fnamepath,$file) = ($fname =~ m|^(.*)/([^/]+)$|);
3514: $path.=$fnamepath.'/';
3515: }
1.259 www 3516: my @parts=split(/\//,$filepath.'/userfiles/'.$path);
1.258 www 3517: my $count;
3518: for ($count=4;$count<=$#parts;$count++) {
3519: $filepath.="/$parts[$count]";
3520: if ((-e $filepath)!=1) {
3521: mkdir($filepath,0777);
3522: }
3523: }
1.984 neumanie 3524:
1.258 www 3525: # Save the file
3526: {
1.701 albertel 3527: if (!open(FH,'>'.$filepath.'/'.$file)) {
3528: &logthis('Failed to create '.$filepath.'/'.$file);
3529: print STDERR ('Failed to create '.$filepath.'/'.$file."\n");
3530: return '/adm/notfound.html';
3531: }
1.1090 raeburn 3532: if ($context eq 'overwrite') {
1.1117 foxr 3533: my $source = LONCAPA::tempdir().'/overwrites/'.$docudom.'/'.$docuname.'/'.$fname;
1.1090 raeburn 3534: my $target = $filepath.'/'.$file;
3535: if (-e $source) {
3536: my @info = stat($source);
3537: if ($info[9] eq $env{'form.timestamp'}) {
3538: unless (&File::Copy::move($source,$target)) {
3539: &logthis('Failed to overwrite '.$filepath.'/'.$file);
3540: return "Moving from $source failed";
3541: }
3542: } else {
3543: return "Temporary file: $source had unexpected date/time for last modification";
3544: }
3545: } else {
3546: return "Temporary file: $source missing";
3547: }
3548: } elsif (!print FH ($env{'form.'.$formname})) {
1.701 albertel 3549: &logthis('Failed to write to '.$filepath.'/'.$file);
3550: print STDERR ('Failed to write to '.$filepath.'/'.$file."\n");
3551: return '/adm/notfound.html';
3552: }
1.570 albertel 3553: close(FH);
1.1051 raeburn 3554: if ($resizewidth && $resizeheight) {
3555: my $mm = new File::MMagic;
3556: my $mime_type = $mm->checktype_filename($filepath.'/'.$file);
3557: if ($mime_type =~ m{^image/}) {
3558: &resizeImage($filepath.'/'.$file,$resizewidth,$resizeheight);
3559: }
1.977 amueller 3560: }
1.258 www 3561: }
1.1152 raeburn 3562: if (($context eq 'coursedoc') || ($parser eq 'parse')) {
3563: if (ref($mimetype)) {
3564: if ($$mimetype eq '') {
3565: my $mm = new File::MMagic;
3566: my $type = $mm->checktype_filename($filepath.'/'.$file);
3567: $$mimetype = $type;
3568: }
3569: }
3570: }
1.637 raeburn 3571: if ($parser eq 'parse') {
1.1152 raeburn 3572: if ((ref($mimetype)) && ($$mimetype eq 'text/html')) {
1.1024 raeburn 3573: my $parse_result = &extract_embedded_items($filepath.'/'.$file,
3574: $allfiles,$codebase);
3575: unless ($parse_result eq 'ok') {
3576: &logthis('Failed to parse '.$filepath.$file.
3577: ' for embedded media: '.$parse_result);
3578: }
1.637 raeburn 3579: }
3580: }
1.860 raeburn 3581: if (($thumbwidth =~ /^\d+$/) && ($thumbheight =~ /^\d+$/)) {
3582: my $input = $filepath.'/'.$file;
3583: my $output = $filepath.'/'.'tn-'.$file;
3584: my $thumbsize = $thumbwidth.'x'.$thumbheight;
3585: system("convert -sample $thumbsize $input $output");
3586: if (-e $filepath.'/'.'tn-'.$file) {
3587: $fetchthumb = 1;
3588: }
3589: }
1.858 raeburn 3590:
1.259 www 3591: # Notify homeserver to grep it
3592: #
1.984 neumanie 3593: my $docuhome=&homeserver($docuname,$docudom);
1.494 albertel 3594: my $fetchresult= &reply('fetchuserfile:'.$path.$file,$docuhome);
1.295 www 3595: if ($fetchresult eq 'ok') {
1.860 raeburn 3596: if ($fetchthumb) {
3597: my $thumbresult= &reply('fetchuserfile:'.$path.'tn-'.$file,$docuhome);
3598: if ($thumbresult ne 'ok') {
3599: &logthis('Failed to transfer '.$path.'tn-'.$file.' to host '.
3600: $docuhome.': '.$thumbresult);
3601: }
3602: }
1.259 www 3603: #
1.258 www 3604: # Return the URL to it
1.494 albertel 3605: return '/uploaded/'.$path.$file;
1.263 www 3606: } else {
1.494 albertel 3607: &logthis('Failed to transfer '.$path.$file.' to host '.$docuhome.
3608: ': '.$fetchresult);
1.263 www 3609: return '/adm/notfound.html';
1.858 raeburn 3610: }
1.493 albertel 3611: }
3612:
1.637 raeburn 3613: sub extract_embedded_items {
1.961 raeburn 3614: my ($fullpath,$allfiles,$codebase,$content) = @_;
1.637 raeburn 3615: my @state = ();
1.1164 raeburn 3616: my (%lastids,%related,%shockwave,%flashvars);
1.637 raeburn 3617: my %javafiles = (
3618: codebase => '',
3619: code => '',
3620: archive => ''
3621: );
3622: my %mediafiles = (
3623: src => '',
3624: movie => '',
3625: );
1.648 raeburn 3626: my $p;
3627: if ($content) {
3628: $p = HTML::LCParser->new($content);
3629: } else {
1.961 raeburn 3630: $p = HTML::LCParser->new($fullpath);
1.648 raeburn 3631: }
1.641 albertel 3632: while (my $t=$p->get_token()) {
1.640 albertel 3633: if ($t->[0] eq 'S') {
3634: my ($tagname, $attr) = ($t->[1],$t->[2]);
1.886 albertel 3635: push(@state, $tagname);
1.648 raeburn 3636: if (lc($tagname) eq 'allow') {
3637: &add_filetype($allfiles,$attr->{'src'},'src');
3638: }
1.640 albertel 3639: if (lc($tagname) eq 'img') {
3640: &add_filetype($allfiles,$attr->{'src'},'src');
3641: }
1.886 albertel 3642: if (lc($tagname) eq 'a') {
1.1172.2.24 raeburn 3643: unless (($attr->{'href'} =~ /^#/) || ($attr->{'href'} eq '')) {
3644: &add_filetype($allfiles,$attr->{'href'},'href');
3645: }
1.886 albertel 3646: }
1.645 raeburn 3647: if (lc($tagname) eq 'script') {
1.1164 raeburn 3648: my $src;
1.645 raeburn 3649: if ($attr->{'archive'} =~ /\.jar$/i) {
3650: &add_filetype($allfiles,$attr->{'archive'},'archive');
3651: } else {
1.1164 raeburn 3652: if ($attr->{'src'} ne '') {
3653: $src = $attr->{'src'};
3654: &add_filetype($allfiles,$src,'src');
3655: }
3656: }
3657: my $text = $p->get_trimmed_text();
3658: if ($text =~ /\Qswfobject.registerObject(\E([^\)]+)\)/) {
3659: my @swfargs = split(/,/,$1);
3660: foreach my $item (@swfargs) {
3661: $item =~ s/["']//g;
3662: $item =~ s/^\s+//;
3663: $item =~ s/\s+$//;
3664: }
3665: if (($swfargs[0] ne'') && ($swfargs[2] ne '')) {
3666: if (ref($related{$swfargs[0]}) eq 'ARRAY') {
3667: push(@{$related{$swfargs[0]}},$swfargs[2]);
3668: } else {
3669: $related{$swfargs[0]} = [$swfargs[2]];
3670: }
3671: }
1.645 raeburn 3672: }
3673: }
3674: if (lc($tagname) eq 'link') {
3675: if (lc($attr->{'rel'}) eq 'stylesheet') {
3676: &add_filetype($allfiles,$attr->{'href'},'href');
3677: }
3678: }
1.640 albertel 3679: if (lc($tagname) eq 'object' ||
3680: (lc($tagname) eq 'embed' && lc($state[-2]) ne 'object')) {
3681: foreach my $item (keys(%javafiles)) {
3682: $javafiles{$item} = '';
3683: }
1.1164 raeburn 3684: if ((lc($tagname) eq 'object') && (lc($state[-2]) ne 'object')) {
3685: $lastids{lc($tagname)} = $attr->{'id'};
3686: }
1.640 albertel 3687: }
3688: if (lc($state[-2]) eq 'object' && lc($tagname) eq 'param') {
3689: my $name = lc($attr->{'name'});
3690: foreach my $item (keys(%javafiles)) {
3691: if ($name eq $item) {
3692: $javafiles{$item} = $attr->{'value'};
3693: last;
3694: }
3695: }
1.1164 raeburn 3696: my $pathfrom;
1.640 albertel 3697: foreach my $item (keys(%mediafiles)) {
3698: if ($name eq $item) {
1.1164 raeburn 3699: $pathfrom = $attr->{'value'};
3700: $shockwave{$lastids{lc($state[-2])}} = $pathfrom;
3701: &add_filetype($allfiles,$pathfrom,$name);
1.640 albertel 3702: last;
3703: }
3704: }
1.1164 raeburn 3705: if ($name eq 'flashvars') {
3706: $flashvars{$lastids{lc($state[-2])}} = $attr->{'value'};
3707: }
3708: if ($pathfrom ne '') {
3709: &embedded_dependency($allfiles,\%related,$lastids{lc($state[-2])},
3710: $pathfrom);
3711: }
1.640 albertel 3712: }
3713: if (lc($tagname) eq 'embed' || lc($tagname) eq 'applet') {
3714: foreach my $item (keys(%javafiles)) {
3715: if ($attr->{$item}) {
3716: $javafiles{$item} = $attr->{$item};
3717: last;
3718: }
3719: }
3720: foreach my $item (keys(%mediafiles)) {
3721: if ($attr->{$item}) {
3722: &add_filetype($allfiles,$attr->{$item},$item);
3723: last;
3724: }
3725: }
1.1164 raeburn 3726: if (lc($tagname) eq 'embed') {
3727: if (($attr->{'name'} ne '') && ($attr->{'src'} ne '')) {
3728: &embedded_dependency($allfiles,\%related,$attr->{'name'},
3729: $attr->{'src'});
3730: }
3731: }
1.640 albertel 3732: }
1.1172.2.35 raeburn 3733: if (lc($tagname) eq 'iframe') {
3734: my $src = $attr->{'src'} ;
3735: if (($src ne '') && ($src !~ m{^(/|https?://)})) {
3736: &add_filetype($allfiles,$src,'src');
3737: } elsif ($src =~ m{^/}) {
3738: if ($env{'request.course.id'}) {
3739: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
3740: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
3741: my $url = &hreflocation('',$fullpath);
3742: if ($url =~ m{^/uploaded/$cdom/$cnum/docs/(\w+/\d+)/}) {
3743: my $relpath = $1;
3744: if ($src =~ m{^/uploaded/$cdom/$cnum/docs/\Q$relpath\E/(.+)$}) {
3745: &add_filetype($allfiles,$1,'src');
3746: }
3747: }
3748: }
3749: }
3750: }
1.1164 raeburn 3751: if ($t->[4] =~ m{/>$}) {
1.1172.2.35 raeburn 3752: pop(@state);
1.1164 raeburn 3753: }
1.640 albertel 3754: } elsif ($t->[0] eq 'E') {
3755: my ($tagname) = ($t->[1]);
3756: if ($javafiles{'codebase'} ne '') {
3757: $javafiles{'codebase'} .= '/';
3758: }
3759: if (lc($tagname) eq 'applet' ||
3760: lc($tagname) eq 'object' ||
3761: (lc($tagname) eq 'embed' && lc($state[-2]) ne 'object')
3762: ) {
3763: foreach my $item (keys(%javafiles)) {
3764: if ($item ne 'codebase' && $javafiles{$item} ne '') {
3765: my $file=$javafiles{'codebase'}.$javafiles{$item};
3766: &add_filetype($allfiles,$file,$item);
3767: }
3768: }
3769: }
3770: pop @state;
3771: }
3772: }
1.1164 raeburn 3773: foreach my $id (sort(keys(%flashvars))) {
3774: if ($shockwave{$id} ne '') {
3775: my @pairs = split(/\&/,$flashvars{$id});
3776: foreach my $pair (@pairs) {
3777: my ($key,$value) = split(/\=/,$pair);
3778: if ($key eq 'thumb') {
3779: &add_filetype($allfiles,$value,$key);
3780: } elsif ($key eq 'content') {
3781: my ($path) = ($shockwave{$id} =~ m{^(.+/)[^/]+$});
3782: my ($ext) = ($value =~ /\.([^.]+)$/);
3783: if ($ext ne '') {
3784: &add_filetype($allfiles,$path.$value,$ext);
3785: }
3786: }
3787: }
3788: }
3789: }
1.637 raeburn 3790: return 'ok';
3791: }
3792:
1.639 albertel 3793: sub add_filetype {
3794: my ($allfiles,$file,$type)=@_;
3795: if (exists($allfiles->{$file})) {
3796: unless (grep/^\Q$type\E$/, @{$allfiles->{$file}}) {
3797: push(@{$allfiles->{$file}}, &escape($type));
3798: }
3799: } else {
3800: @{$allfiles->{$file}} = (&escape($type));
1.637 raeburn 3801: }
3802: }
3803:
1.1164 raeburn 3804: sub embedded_dependency {
3805: my ($allfiles,$related,$identifier,$pathfrom) = @_;
3806: if ((ref($allfiles) eq 'HASH') && (ref($related) eq 'HASH')) {
3807: if (($identifier ne '') &&
3808: (ref($related->{$identifier}) eq 'ARRAY') &&
3809: ($pathfrom ne '')) {
3810: my ($path) = ($pathfrom =~ m{^(.+/)[^/]+$});
3811: foreach my $dep (@{$related->{$identifier}}) {
3812: &add_filetype($allfiles,$path.$dep,'object');
3813: }
3814: }
3815: }
3816: return;
3817: }
3818:
1.493 albertel 3819: sub removeuploadedurl {
1.984 neumanie 3820: my ($url)=@_;
3821: my (undef,undef,$udom,$uname,$fname)=split('/',$url,5);
1.613 albertel 3822: return &removeuserfile($uname,$udom,$fname);
1.490 albertel 3823: }
3824:
3825: sub removeuserfile {
3826: my ($docuname,$docudom,$fname)=@_;
1.984 neumanie 3827: my $home=&homeserver($docuname,$docudom);
1.798 raeburn 3828: my $result = &reply("removeuserfile:$docudom/$docuname/$fname",$home);
1.984 neumanie 3829: if ($result eq 'ok') {
1.798 raeburn 3830: if (($fname !~ /\.meta$/) && (&is_portfolio_file($fname))) {
3831: my $metafile = $fname.'.meta';
3832: my $metaresult = &removeuserfile($docuname,$docudom,$metafile);
1.823 albertel 3833: my $url = "/uploaded/$docudom/$docuname/$fname";
1.984 neumanie 3834: my ($file,$group) = (&parse_portfolio_url($url))[3,4];
1.821 raeburn 3835: my $sqlresult =
1.823 albertel 3836: &update_portfolio_table($docuname,$docudom,$file,
1.821 raeburn 3837: 'portfolio_metadata',$group,
3838: 'delete');
1.798 raeburn 3839: }
3840: }
3841: return $result;
1.257 www 3842: }
1.15 www 3843:
1.530 albertel 3844: sub mkdiruserfile {
3845: my ($docuname,$docudom,$dir)=@_;
3846: my $home=&homeserver($docuname,$docudom);
3847: return &reply("mkdiruserfile:".&escape("$docudom/$docuname/$dir"),$home);
3848: }
3849:
1.531 albertel 3850: sub renameuserfile {
3851: my ($docuname,$docudom,$old,$new)=@_;
3852: my $home=&homeserver($docuname,$docudom);
1.798 raeburn 3853: my $result = &reply("renameuserfile:$docudom:$docuname:".
3854: &escape("$old").':'.&escape("$new"),$home);
3855: if ($result eq 'ok') {
3856: if (($old !~ /\.meta$/) && (&is_portfolio_file($old))) {
3857: my $oldmeta = $old.'.meta';
3858: my $newmeta = $new.'.meta';
3859: my $metaresult =
3860: &renameuserfile($docuname,$docudom,$oldmeta,$newmeta);
1.823 albertel 3861: my $url = "/uploaded/$docudom/$docuname/$old";
3862: my ($file,$group) = (&parse_portfolio_url($url))[3,4];
1.821 raeburn 3863: my $sqlresult =
1.823 albertel 3864: &update_portfolio_table($docuname,$docudom,$file,
1.821 raeburn 3865: 'portfolio_metadata',$group,
3866: 'delete');
1.798 raeburn 3867: }
3868: }
3869: return $result;
1.531 albertel 3870: }
3871:
1.14 www 3872: # ------------------------------------------------------------------------- Log
3873:
3874: sub log {
3875: my ($dom,$nam,$hom,$what)=@_;
1.47 www 3876: return critical("log:$dom:$nam:$what",$hom);
1.157 www 3877: }
3878:
3879: # ------------------------------------------------------------------ Course Log
1.352 www 3880: #
3881: # This routine flushes several buffers of non-mission-critical nature
3882: #
1.157 www 3883:
3884: sub flushcourselogs {
1.352 www 3885: &logthis('Flushing log buffers');
3886: #
3887: # course logs
3888: # This is a log of all transactions in a course, which can be used
3889: # for data mining purposes
3890: #
3891: # It also collects the courseid database, which lists last transaction
3892: # times and course titles for all courseids
3893: #
3894: my %courseidbuffer=();
1.921 raeburn 3895: foreach my $crsid (keys(%courselogs)) {
1.352 www 3896: if (&reply('log:'.$coursedombuf{$crsid}.':'.$coursenumbuf{$crsid}.':'.
1.188 www 3897: &escape($courselogs{$crsid}),
3898: $coursehombuf{$crsid}) eq 'ok') {
1.157 www 3899: delete $courselogs{$crsid};
3900: } else {
3901: &logthis('Failed to flush log buffer for '.$crsid);
3902: if (length($courselogs{$crsid})>40000) {
1.672 albertel 3903: &logthis("<font color=\"blue\">WARNING: Buffer for ".$crsid.
1.157 www 3904: " exceeded maximum size, deleting.</font>");
3905: delete $courselogs{$crsid};
3906: }
1.352 www 3907: }
1.920 raeburn 3908: $courseidbuffer{$coursehombuf{$crsid}}{$crsid} = {
1.936 raeburn 3909: 'description' => $coursedescrbuf{$crsid},
3910: 'inst_code' => $courseinstcodebuf{$crsid},
3911: 'type' => $coursetypebuf{$crsid},
3912: 'owner' => $courseownerbuf{$crsid},
1.920 raeburn 3913: };
1.191 harris41 3914: }
1.352 www 3915: #
3916: # Write course id database (reverse lookup) to homeserver of courses
3917: # Is used in pickcourse
3918: #
1.840 albertel 3919: foreach my $crs_home (keys(%courseidbuffer)) {
1.918 raeburn 3920: my $response = &courseidput(&host_domain($crs_home),
1.921 raeburn 3921: $courseidbuffer{$crs_home},
3922: $crs_home,'timeonly');
1.352 www 3923: }
3924: #
3925: # File accesses
3926: # Writes to the dynamic metadata of resources to get hit counts, etc.
3927: #
1.449 matthew 3928: foreach my $entry (keys(%accesshash)) {
1.458 matthew 3929: if ($entry =~ /___count$/) {
3930: my ($dom,$name);
1.807 albertel 3931: ($dom,$name,undef)=
1.811 albertel 3932: ($entry=~m{___($match_domain)/($match_name)/(.*)___count$});
1.458 matthew 3933: if (! defined($dom) || $dom eq '' ||
3934: ! defined($name) || $name eq '') {
1.620 albertel 3935: my $cid = $env{'request.course.id'};
3936: $dom = $env{'request.'.$cid.'.domain'};
3937: $name = $env{'request.'.$cid.'.num'};
1.458 matthew 3938: }
1.450 matthew 3939: my $value = $accesshash{$entry};
3940: my (undef,$url,undef) = ($entry =~ /^(.*)___(.*)___count$/);
3941: my %temphash=($url => $value);
1.449 matthew 3942: my $result = &inc('nohist_accesscount',\%temphash,$dom,$name);
3943: if ($result eq 'ok') {
3944: delete $accesshash{$entry};
3945: }
3946: } else {
1.811 albertel 3947: my ($dom,$name) = ($entry=~m{___($match_domain)/($match_name)/(.*)___(\w+)$});
1.1159 www 3948: if (($dom eq 'uploaded') || ($dom eq 'adm')) { next; }
1.450 matthew 3949: my %temphash=($entry => $accesshash{$entry});
1.449 matthew 3950: if (&put('nohist_resevaldata',\%temphash,$dom,$name) eq 'ok') {
3951: delete $accesshash{$entry};
3952: }
1.185 www 3953: }
1.191 harris41 3954: }
1.352 www 3955: #
3956: # Roles
3957: # Reverse lookup of user roles for course faculty/staff and co-authorship
3958: #
1.800 albertel 3959: foreach my $entry (keys(%userrolehash)) {
1.351 www 3960: my ($role,$uname,$udom,$runame,$rudom,$rsec)=
1.349 www 3961: split(/\:/,$entry);
3962: if (&Apache::lonnet::put('nohist_userroles',
1.351 www 3963: { $role.':'.$uname.':'.$udom.':'.$rsec => $userrolehash{$entry} },
1.349 www 3964: $rudom,$runame) eq 'ok') {
3965: delete $userrolehash{$entry};
3966: }
3967: }
1.662 raeburn 3968: #
1.1172.2.90 raeburn 3969: # Reverse lookup of domain roles (dc, ad, li, sc, dh, da, au)
1.662 raeburn 3970: #
3971: my %domrolebuffer = ();
1.1000 raeburn 3972: foreach my $entry (keys(%domainrolehash)) {
1.901 albertel 3973: my ($role,$uname,$udom,$runame,$rudom,$rsec)=split(/:/,$entry);
1.662 raeburn 3974: if ($domrolebuffer{$rudom}) {
3975: $domrolebuffer{$rudom}.='&'.&escape($entry).
3976: '='.&escape($domainrolehash{$entry});
3977: } else {
3978: $domrolebuffer{$rudom}.=&escape($entry).
3979: '='.&escape($domainrolehash{$entry});
3980: }
3981: delete $domainrolehash{$entry};
3982: }
3983: foreach my $dom (keys(%domrolebuffer)) {
1.1172.2.82 raeburn 3984: my %servers;
3985: if (defined(&domain($dom,'primary'))) {
3986: my $primary=&domain($dom,'primary');
3987: my $hostname=&hostname($primary);
3988: $servers{$primary} = $hostname;
3989: } else {
3990: %servers = &get_servers($dom,'library');
3991: }
1.841 albertel 3992: foreach my $tryserver (keys(%servers)) {
1.1172.2.82 raeburn 3993: if (&reply('domroleput:'.$dom.':'.
3994: $domrolebuffer{$dom},$tryserver) eq 'ok') {
3995: last;
3996: } else {
1.841 albertel 3997: &logthis('Put of domain roles failed for '.$dom.' and '.$tryserver);
3998: }
1.662 raeburn 3999: }
4000: }
1.186 www 4001: $dumpcount++;
1.157 www 4002: }
4003:
4004: sub courselog {
4005: my $what=shift;
1.158 www 4006: $what=time.':'.$what;
1.620 albertel 4007: unless ($env{'request.course.id'}) { return ''; }
4008: $coursedombuf{$env{'request.course.id'}}=
4009: $env{'course.'.$env{'request.course.id'}.'.domain'};
4010: $coursenumbuf{$env{'request.course.id'}}=
4011: $env{'course.'.$env{'request.course.id'}.'.num'};
4012: $coursehombuf{$env{'request.course.id'}}=
4013: $env{'course.'.$env{'request.course.id'}.'.home'};
4014: $coursedescrbuf{$env{'request.course.id'}}=
4015: $env{'course.'.$env{'request.course.id'}.'.description'};
4016: $courseinstcodebuf{$env{'request.course.id'}}=
4017: $env{'course.'.$env{'request.course.id'}.'.internal.coursecode'};
4018: $courseownerbuf{$env{'request.course.id'}}=
4019: $env{'course.'.$env{'request.course.id'}.'.internal.courseowner'};
1.741 raeburn 4020: $coursetypebuf{$env{'request.course.id'}}=
4021: $env{'course.'.$env{'request.course.id'}.'.type'};
1.620 albertel 4022: if (defined $courselogs{$env{'request.course.id'}}) {
4023: $courselogs{$env{'request.course.id'}}.='&'.$what;
1.157 www 4024: } else {
1.620 albertel 4025: $courselogs{$env{'request.course.id'}}.=$what;
1.157 www 4026: }
1.620 albertel 4027: if (length($courselogs{$env{'request.course.id'}})>4048) {
1.157 www 4028: &flushcourselogs();
4029: }
1.158 www 4030: }
4031:
4032: sub courseacclog {
4033: my $fnsymb=shift;
1.620 albertel 4034: unless ($env{'request.course.id'}) { return ''; }
4035: my $what=$fnsymb.':'.$env{'user.name'}.':'.$env{'user.domain'};
1.1144 www 4036: if ($fnsymb=~/$LONCAPA::assess_re/) {
1.187 www 4037: $what.=':POST';
1.583 matthew 4038: # FIXME: Probably ought to escape things....
1.800 albertel 4039: foreach my $key (keys(%env)) {
4040: if ($key=~/^form\.(.*)/) {
1.975 raeburn 4041: my $formitem = $1;
4042: if ($formitem =~ /^HWFILE(?:SIZE|TOOBIG)/) {
4043: $what.=':'.$formitem.'='.$env{$key};
4044: } elsif ($formitem !~ /^HWFILE(?:[^.]+)$/) {
4045: $what.=':'.$formitem.'='.$env{$key};
4046: }
1.158 www 4047: }
1.191 harris41 4048: }
1.583 matthew 4049: } elsif ($fnsymb =~ m:^/adm/searchcat:) {
4050: # FIXME: We should not be depending on a form parameter that someone
4051: # editing lonsearchcat.pm might change in the future.
1.620 albertel 4052: if ($env{'form.phase'} eq 'course_search') {
1.583 matthew 4053: $what.= ':POST';
4054: # FIXME: Probably ought to escape things....
4055: foreach my $element ('courseexp','crsfulltext','crsrelated',
4056: 'crsdiscuss') {
1.620 albertel 4057: $what.=':'.$element.'='.$env{'form.'.$element};
1.583 matthew 4058: }
4059: }
1.158 www 4060: }
4061: &courselog($what);
1.149 www 4062: }
4063:
1.185 www 4064: sub countacc {
4065: my $url=&declutter(shift);
1.458 matthew 4066: return if (! defined($url) || $url eq '');
1.620 albertel 4067: unless ($env{'request.course.id'}) { return ''; }
1.1158 www 4068: #
4069: # Mark that this url was used in this course
4070: #
1.620 albertel 4071: $accesshash{$env{'request.course.id'}.'___'.$url.'___course'}=1;
1.1158 www 4072: #
4073: # Increase the access count for this resource in this child process
4074: #
1.281 www 4075: my $key=$$.$processmarker.'_'.$dumpcount.'___'.$url.'___count';
1.450 matthew 4076: $accesshash{$key}++;
1.185 www 4077: }
1.349 www 4078:
1.361 www 4079: sub linklog {
4080: my ($from,$to)=@_;
4081: $from=&declutter($from);
4082: $to=&declutter($to);
4083: $accesshash{$from.'___'.$to.'___comefrom'}=1;
4084: $accesshash{$to.'___'.$from.'___goto'}=1;
4085: }
1.1160 www 4086:
4087: sub statslog {
4088: my ($symb,$part,$users,$av_attempts,$degdiff)=@_;
4089: if ($users<2) { return; }
4090: my %dynstore=&LONCAPA::lonmetadata::dynamic_metadata_storage({
4091: 'course' => $env{'request.course.id'},
4092: 'sections' => '"all"',
4093: 'num_students' => $users,
4094: 'part' => $part,
4095: 'symb' => $symb,
4096: 'mean_tries' => $av_attempts,
4097: 'deg_of_diff' => $degdiff});
4098: foreach my $key (keys(%dynstore)) {
4099: $accesshash{$key}=$dynstore{$key};
4100: }
4101: }
1.361 www 4102:
1.349 www 4103: sub userrolelog {
4104: my ($trole,$username,$domain,$area,$tstart,$tend)=@_;
1.1169 droeschl 4105: if ( $trole =~ /^(ca|aa|in|cc|ep|cr|ta|co)/ ) {
1.350 www 4106: my (undef,$rudom,$runame,$rsec)=split(/\//,$area);
4107: $userrolehash
4108: {$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec}
1.349 www 4109: =$tend.':'.$tstart;
1.662 raeburn 4110: }
1.1169 droeschl 4111: if ($env{'request.role'} =~ /dc\./ && $trole =~ /^(au|in|cc|ep|cr|ta|co)/) {
1.898 albertel 4112: $userrolehash
4113: {$trole.':'.$username.':'.$domain.':'.$env{'user.name'}.':'.$env{'user.domain'}.':'}
4114: =$tend.':'.$tstart;
4115: }
1.1172.2.90 raeburn 4116: if ($trole =~ /^(dc|ad|li|au|dg|sc|dh|da)/ ) {
1.662 raeburn 4117: my (undef,$rudom,$runame,$rsec)=split(/\//,$area);
4118: $domainrolehash
4119: {$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec}
4120: = $tend.':'.$tstart;
4121: }
1.351 www 4122: }
4123:
1.957 raeburn 4124: sub courserolelog {
4125: my ($trole,$username,$domain,$area,$tstart,$tend,$delflag,$selfenroll,$context)=@_;
1.1172.2.9 raeburn 4126: if ($area =~ m-^/($match_domain)/($match_courseid)/?([^/]*)-) {
4127: my $cdom = $1;
4128: my $cnum = $2;
4129: my $sec = $3;
4130: my $namespace = 'rolelog';
4131: my %storehash = (
4132: role => $trole,
4133: start => $tstart,
4134: end => $tend,
4135: selfenroll => $selfenroll,
4136: context => $context,
4137: );
4138: if ($trole eq 'gr') {
4139: $namespace = 'groupslog';
4140: $storehash{'group'} = $sec;
4141: } else {
4142: $storehash{'section'} = $sec;
4143: }
4144: &write_log('course',$namespace,\%storehash,$delflag,$username,
4145: $domain,$cnum,$cdom);
4146: if (($trole ne 'st') || ($sec ne '')) {
4147: &devalidate_cache_new('getcourseroles',$cdom.'_'.$cnum);
1.957 raeburn 4148: }
4149: }
4150: return;
4151: }
4152:
1.1172.2.9 raeburn 4153: sub domainrolelog {
4154: my ($trole,$username,$domain,$area,$tstart,$tend,$delflag,$context)=@_;
4155: if ($area =~ m{^/($match_domain)/$}) {
4156: my $cdom = $1;
4157: my $domconfiguser = &Apache::lonnet::get_domainconfiguser($cdom);
4158: my $namespace = 'rolelog';
4159: my %storehash = (
4160: role => $trole,
4161: start => $tstart,
4162: end => $tend,
4163: context => $context,
4164: );
4165: &write_log('domain',$namespace,\%storehash,$delflag,$username,
4166: $domain,$domconfiguser,$cdom);
4167: }
4168: return;
4169:
4170: }
4171:
4172: sub coauthorrolelog {
4173: my ($trole,$username,$domain,$area,$tstart,$tend,$delflag,$context)=@_;
4174: if ($area =~ m{^/($match_domain)/($match_username)$}) {
4175: my $audom = $1;
4176: my $auname = $2;
4177: my $namespace = 'rolelog';
4178: my %storehash = (
4179: role => $trole,
4180: start => $tstart,
4181: end => $tend,
4182: context => $context,
4183: );
4184: &write_log('author',$namespace,\%storehash,$delflag,$username,
4185: $domain,$auname,$audom);
4186: }
4187: return;
4188: }
4189:
1.351 www 4190: sub get_course_adv_roles {
1.948 raeburn 4191: my ($cid,$codes) = @_;
1.620 albertel 4192: $cid=$env{'request.course.id'} unless (defined($cid));
1.351 www 4193: my %coursehash=&coursedescription($cid);
1.988 raeburn 4194: my $crstype = &Apache::loncommon::course_type($cid);
1.470 www 4195: my %nothide=();
1.800 albertel 4196: foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
1.937 raeburn 4197: if ($user !~ /:/) {
4198: $nothide{join(':',split(/[\@]/,$user))}=1;
4199: } else {
4200: $nothide{$user}=1;
4201: }
1.470 www 4202: }
1.1172.2.23 raeburn 4203: my @possdoms = ($coursehash{'domain'});
4204: if ($coursehash{'checkforpriv'}) {
4205: push(@possdoms,split(/,/,$coursehash{'checkforpriv'}));
4206: }
1.351 www 4207: my %returnhash=();
4208: my %dumphash=
4209: &dump('nohist_userroles',$coursehash{'domain'},$coursehash{'num'});
4210: my $now=time;
1.997 raeburn 4211: my %privileged;
1.1000 raeburn 4212: foreach my $entry (keys(%dumphash)) {
1.800 albertel 4213: my ($tend,$tstart)=split(/\:/,$dumphash{$entry});
1.351 www 4214: if (($tstart) && ($tstart<0)) { next; }
4215: if (($tend) && ($tend<$now)) { next; }
4216: if (($tstart) && ($now<$tstart)) { next; }
1.800 albertel 4217: my ($role,$username,$domain,$section)=split(/\:/,$entry);
1.576 albertel 4218: if ($username eq '' || $domain eq '') { next; }
1.1172.2.23 raeburn 4219: if ((&privileged($username,$domain,\@possdoms)) &&
1.997 raeburn 4220: (!$nothide{$username.':'.$domain})) { next; }
1.656 albertel 4221: if ($role eq 'cr') { next; }
1.948 raeburn 4222: if ($codes) {
4223: if ($section) { $role .= ':'.$section; }
4224: if ($returnhash{$role}) {
4225: $returnhash{$role}.=','.$username.':'.$domain;
4226: } else {
4227: $returnhash{$role}=$username.':'.$domain;
4228: }
1.351 www 4229: } else {
1.988 raeburn 4230: my $key=&plaintext($role,$crstype);
1.973 bisitz 4231: if ($section) { $key.=' ('.&Apache::lonlocal::mt('Section [_1]',$section).')'; }
1.948 raeburn 4232: if ($returnhash{$key}) {
4233: $returnhash{$key}.=','.$username.':'.$domain;
4234: } else {
4235: $returnhash{$key}=$username.':'.$domain;
4236: }
1.351 www 4237: }
1.948 raeburn 4238: }
1.400 www 4239: return %returnhash;
4240: }
4241:
4242: sub get_my_roles {
1.937 raeburn 4243: my ($uname,$udom,$context,$types,$roles,$roledoms,$withsec,$hidepriv)=@_;
1.620 albertel 4244: unless (defined($uname)) { $uname=$env{'user.name'}; }
4245: unless (defined($udom)) { $udom=$env{'user.domain'}; }
1.937 raeburn 4246: my (%dumphash,%nothide);
1.1086 raeburn 4247: if ($context eq 'userroles') {
1.1166 raeburn 4248: %dumphash = &dump('roles',$udom,$uname);
1.858 raeburn 4249: } else {
1.1172.2.23 raeburn 4250: %dumphash = &dump('nohist_userroles',$udom,$uname);
1.937 raeburn 4251: if ($hidepriv) {
4252: my %coursehash=&coursedescription($udom.'_'.$uname);
4253: foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
4254: if ($user !~ /:/) {
4255: $nothide{join(':',split(/[\@]/,$user))} = 1;
4256: } else {
4257: $nothide{$user} = 1;
4258: }
4259: }
4260: }
1.858 raeburn 4261: }
1.400 www 4262: my %returnhash=();
4263: my $now=time;
1.999 raeburn 4264: my %privileged;
1.800 albertel 4265: foreach my $entry (keys(%dumphash)) {
1.867 raeburn 4266: my ($role,$tend,$tstart);
4267: if ($context eq 'userroles') {
1.1149 raeburn 4268: next if ($entry =~ /^rolesdef/);
1.867 raeburn 4269: ($role,$tend,$tstart)=split(/_/,$dumphash{$entry});
4270: } else {
4271: ($tend,$tstart)=split(/\:/,$dumphash{$entry});
4272: }
1.400 www 4273: if (($tstart) && ($tstart<0)) { next; }
1.832 raeburn 4274: my $status = 'active';
1.939 raeburn 4275: if (($tend) && ($tend<=$now)) {
1.832 raeburn 4276: $status = 'previous';
4277: }
4278: if (($tstart) && ($now<$tstart)) {
4279: $status = 'future';
4280: }
4281: if (ref($types) eq 'ARRAY') {
4282: if (!grep(/^\Q$status\E$/,@{$types})) {
4283: next;
4284: }
4285: } else {
4286: if ($status ne 'active') {
4287: next;
4288: }
4289: }
1.867 raeburn 4290: my ($rolecode,$username,$domain,$section,$area);
4291: if ($context eq 'userroles') {
1.1172.2.9 raeburn 4292: ($area,$rolecode) = ($entry =~ /^(.+)_([^_]+)$/);
1.867 raeburn 4293: (undef,$domain,$username,$section) = split(/\//,$area);
4294: } else {
4295: ($role,$username,$domain,$section) = split(/\:/,$entry);
4296: }
1.832 raeburn 4297: if (ref($roledoms) eq 'ARRAY') {
4298: if (!grep(/^\Q$domain\E$/,@{$roledoms})) {
4299: next;
4300: }
4301: }
4302: if (ref($roles) eq 'ARRAY') {
4303: if (!grep(/^\Q$role\E$/,@{$roles})) {
1.922 raeburn 4304: if ($role =~ /^cr\//) {
4305: if (!grep(/^cr$/,@{$roles})) {
4306: next;
4307: }
1.1104 raeburn 4308: } elsif ($role =~ /^gr\//) {
4309: if (!grep(/^gr$/,@{$roles})) {
4310: next;
4311: }
1.922 raeburn 4312: } else {
4313: next;
4314: }
1.832 raeburn 4315: }
1.867 raeburn 4316: }
1.937 raeburn 4317: if ($hidepriv) {
1.1172.2.23 raeburn 4318: my @privroles = ('dc','su');
1.999 raeburn 4319: if ($context eq 'userroles') {
1.1172.2.23 raeburn 4320: next if (grep(/^\Q$role\E$/,@privroles));
1.999 raeburn 4321: } else {
1.1172.2.23 raeburn 4322: my $possdoms = [$domain];
4323: if (ref($roledoms) eq 'ARRAY') {
4324: push(@{$possdoms},@{$roledoms});
1.999 raeburn 4325: }
1.1172.2.23 raeburn 4326: if (&privileged($username,$domain,$possdoms,\@privroles)) {
1.999 raeburn 4327: if (!$nothide{$username.':'.$domain}) {
4328: next;
4329: }
4330: }
1.937 raeburn 4331: }
4332: }
1.933 raeburn 4333: if ($withsec) {
4334: $returnhash{$username.':'.$domain.':'.$role.':'.$section} =
4335: $tstart.':'.$tend;
4336: } else {
4337: $returnhash{$username.':'.$domain.':'.$role}=$tstart.':'.$tend;
4338: }
1.832 raeburn 4339: }
1.373 www 4340: return %returnhash;
1.399 www 4341: }
4342:
1.1172.2.89 raeburn 4343: sub get_all_adhocroles {
4344: my ($dom) = @_;
4345: my @roles_by_num = ();
4346: my %domdefaults = &get_domain_defaults($dom);
4347: my (%description,%access_in_dom,%access_info);
4348: if (ref($domdefaults{'adhocroles'}) eq 'HASH') {
4349: my $count = 0;
4350: my %domcurrent = %{$domdefaults{'adhocroles'}};
4351: my %ordered;
4352: foreach my $role (sort(keys(%domcurrent))) {
4353: my ($order,$desc,$access_in_dom);
4354: if (ref($domcurrent{$role}) eq 'HASH') {
4355: $order = $domcurrent{$role}{'order'};
4356: $desc = $domcurrent{$role}{'desc'};
4357: $access_in_dom{$role} = $domcurrent{$role}{'access'};
4358: $access_info{$role} = $domcurrent{$role}{$access_in_dom{$role}};
4359: }
4360: if ($order eq '') {
4361: $order = $count;
4362: }
4363: $ordered{$order} = $role;
4364: if ($desc ne '') {
4365: $description{$role} = $desc;
4366: } else {
4367: $description{$role}= $role;
4368: }
4369: $count++;
4370: }
4371: foreach my $item (sort {$a <=> $b } (keys(%ordered))) {
4372: push(@roles_by_num,$ordered{$item});
4373: }
4374: }
4375: return (\@roles_by_num,\%description,\%access_in_dom,\%access_info);
4376: }
4377:
4378: sub get_my_adhocroles {
4379: my ($cid,$checkreg) = @_;
4380: my ($cdom,$cnum,%info,@possroles,$description,$roles_by_num);
4381: if ($env{'request.course.id'} eq $cid) {
4382: $cdom = $env{'course.'.$cid.'.domain'};
4383: $cnum = $env{'course.'.$cid.'.num'};
4384: $info{'internal.coursecode'} = $env{'course.'.$cid.'.internal.coursecode'};
4385: } elsif ($cid =~ /^($match_domain)_($match_courseid)$/) {
4386: $cdom = $1;
4387: $cnum = $2;
4388: %info = &Apache::lonnet::get('environment',['internal.coursecode'],
4389: $cdom,$cnum);
4390: }
4391: if (($info{'internal.coursecode'} ne '') && ($checkreg)) {
4392: my $user = $env{'user.name'}.':'.$env{'user.domain'};
4393: my %rosterhash = &get('classlist',[$user],$cdom,$cnum);
4394: if ($rosterhash{$user} ne '') {
4395: my $type = (split(/:/,$rosterhash{$user}))[5];
4396: return ([],{}) if ($type eq 'auto');
4397: }
4398: }
4399: if (($cdom ne '') && ($cnum ne '')) {
1.1172.2.90 raeburn 4400: if (($env{"user.role.dh./$cdom/"}) || ($env{"user.role.da./$cdom/"})) {
1.1172.2.89 raeburn 4401: my $then=$env{'user.login.time'};
4402: my $update=$env{'user.update.time'};
1.1172.2.90 raeburn 4403: if (!$update) {
4404: $update = $then;
4405: }
4406: my @liveroles;
4407: foreach my $role ('dh','da') {
4408: if ($env{"user.role.$role./$cdom/"}) {
4409: my ($tstart,$tend)=split(/\./,$env{"user.role.$role./$cdom/"});
4410: my $limit = $update;
4411: if ($env{'request.role'} eq "$role./$cdom/") {
4412: $limit = $then;
4413: }
4414: my $activerole = 1;
4415: if ($tstart && $tstart>$limit) { $activerole = 0; }
4416: if ($tend && $tend <$limit) { $activerole = 0; }
4417: if ($activerole) {
4418: push(@liveroles,$role);
4419: }
4420: }
4421: }
4422: if (@liveroles) {
1.1172.2.89 raeburn 4423: if (&homeserver($cnum,$cdom) ne 'no_host') {
4424: my ($accessref,$accessinfo,%access_in_dom);
4425: ($roles_by_num,$description,$accessref,$accessinfo) = &get_all_adhocroles($cdom);
4426: if (ref($roles_by_num) eq 'ARRAY') {
4427: if (@{$roles_by_num}) {
4428: my %settings;
4429: if ($env{'request.course.id'} eq $cid) {
4430: foreach my $envkey (keys(%env)) {
4431: if ($envkey =~ /^\Qcourse.$cid.\E(internal\.adhoc.+)$/) {
4432: $settings{$1} = $env{$envkey};
4433: }
4434: }
4435: } else {
4436: %settings = &dump('environment',$cdom,$cnum,'internal\.adhoc');
4437: }
4438: my %setincrs;
4439: if ($settings{'internal.adhocaccess'}) {
4440: map { $setincrs{$_} = 1; } split(/,/,$settings{'internal.adhocaccess'});
4441: }
4442: my @statuses;
4443: if ($env{'environment.inststatus'}) {
4444: @statuses = split(/,/,$env{'environment.inststatus'});
4445: }
4446: my $user = $env{'user.name'}.':'.$env{'user.domain'};
4447: if (ref($accessref) eq 'HASH') {
4448: %access_in_dom = %{$accessref};
4449: }
4450: foreach my $role (@{$roles_by_num}) {
4451: my ($curraccess,@okstatus,@personnel);
4452: if ($setincrs{$role}) {
4453: ($curraccess,my $rest) = split(/=/,$settings{'internal.adhoc.'.$role});
4454: if ($curraccess eq 'status') {
4455: @okstatus = split(/\&/,$rest);
4456: } elsif (($curraccess eq 'exc') || ($curraccess eq 'inc')) {
4457: @personnel = split(/\&/,$rest);
4458: }
4459: } else {
4460: $curraccess = $access_in_dom{$role};
4461: if (ref($accessinfo) eq 'HASH') {
4462: if ($curraccess eq 'status') {
4463: if (ref($accessinfo->{$role}) eq 'ARRAY') {
4464: @okstatus = @{$accessinfo->{$role}};
4465: }
4466: } elsif (($curraccess eq 'exc') || ($curraccess eq 'inc')) {
4467: if (ref($accessinfo->{$role}) eq 'ARRAY') {
4468: @personnel = @{$accessinfo->{$role}};
4469: }
4470: }
4471: }
4472: }
4473: if ($curraccess eq 'none') {
4474: next;
4475: } elsif ($curraccess eq 'all') {
4476: push(@possroles,$role);
1.1172.2.90 raeburn 4477: } elsif ($curraccess eq 'dh') {
4478: if (grep(/^dh$/,@liveroles)) {
4479: push(@possroles,$role);
4480: } else {
4481: next;
4482: }
4483: } elsif ($curraccess eq 'da') {
4484: if (grep(/^da$/,@liveroles)) {
4485: push(@possroles,$role);
4486: } else {
4487: next;
4488: }
1.1172.2.89 raeburn 4489: } elsif ($curraccess eq 'status') {
4490: if (@okstatus) {
4491: if (!@statuses) {
4492: if (grep(/^default$/,@okstatus)) {
4493: push(@possroles,$role);
4494: }
4495: } else {
4496: foreach my $status (@okstatus) {
4497: if (grep(/^\Q$status\E$/,@statuses)) {
4498: push(@possroles,$role);
4499: last;
4500: }
4501: }
4502: }
4503: }
4504: } elsif (($curraccess eq 'exc') || ($curraccess eq 'inc')) {
4505: if (grep(/^\Q$user\E$/,@personnel)) {
4506: if ($curraccess eq 'exc') {
4507: push(@possroles,$role);
4508: }
4509: } elsif ($curraccess eq 'inc') {
4510: push(@possroles,$role);
4511: }
4512: }
4513: }
4514: }
4515: }
4516: }
4517: }
4518: }
4519: }
4520: unless (ref($description) eq 'HASH') {
4521: if (ref($roles_by_num) eq 'ARRAY') {
4522: my %desc;
4523: map { $desc{$_} = $_; } (@{$roles_by_num});
4524: $description = \%desc;
4525: } else {
4526: $description = {};
4527: }
4528: }
4529: return (\@possroles,$description);
4530: }
4531:
1.399 www 4532: # ----------------------------------------------------- Frontpage Announcements
4533: #
4534: #
4535:
4536: sub postannounce {
4537: my ($server,$text)=@_;
1.844 albertel 4538: unless (&allowed('psa',&host_domain($server))) { return 'refused'; }
1.399 www 4539: unless ($text=~/\w/) { $text=''; }
4540: return &reply('setannounce:'.&escape($text),$server);
4541: }
4542:
4543: sub getannounce {
1.448 albertel 4544:
4545: if (open(my $fh,$perlvar{'lonDocRoot'}.'/announcement.txt')) {
1.399 www 4546: my $announcement='';
1.800 albertel 4547: while (my $line = <$fh>) { $announcement .= $line; }
1.448 albertel 4548: close($fh);
1.399 www 4549: if ($announcement=~/\w/) {
4550: return
4551: '<table bgcolor="#FF5555" cellpadding="5" cellspacing="3">'.
1.518 albertel 4552: '<tr><td bgcolor="#FFFFFF"><tt>'.$announcement.'</tt></td></tr></table>';
1.399 www 4553: } else {
4554: return '';
4555: }
4556: } else {
4557: return '';
4558: }
1.351 www 4559: }
1.353 www 4560:
4561: # ---------------------------------------------------------- Course ID routines
4562: # Deal with domain's nohist_courseid.db files
4563: #
4564:
4565: sub courseidput {
1.921 raeburn 4566: my ($domain,$storehash,$coursehome,$caller) = @_;
1.1054 raeburn 4567: return unless (ref($storehash) eq 'HASH');
1.921 raeburn 4568: my $outcome;
4569: if ($caller eq 'timeonly') {
4570: my $cids = '';
4571: foreach my $item (keys(%$storehash)) {
4572: $cids.=&escape($item).'&';
4573: }
4574: $cids=~s/\&$//;
4575: $outcome = &reply('courseidputhash:'.$domain.':'.$caller.':'.$cids,
4576: $coursehome);
4577: } else {
4578: my $items = '';
4579: foreach my $item (keys(%$storehash)) {
4580: $items.= &escape($item).'='.
4581: &freeze_escape($$storehash{$item}).'&';
4582: }
4583: $items=~s/\&$//;
4584: $outcome = &reply('courseidputhash:'.$domain.':'.$caller.':'.$items,
4585: $coursehome);
1.918 raeburn 4586: }
4587: if ($outcome eq 'unknown_cmd') {
4588: my $what;
4589: foreach my $cid (keys(%$storehash)) {
4590: $what .= &escape($cid).'=';
1.921 raeburn 4591: foreach my $item ('description','inst_code','owner','type') {
1.936 raeburn 4592: $what .= &escape($storehash->{$cid}{$item}).':';
1.918 raeburn 4593: }
4594: $what =~ s/\:$/&/;
4595: }
4596: $what =~ s/\&$//;
4597: return &reply('courseidput:'.$domain.':'.$what,$coursehome);
4598: } else {
4599: return $outcome;
4600: }
1.353 www 4601: }
4602:
4603: sub courseiddump {
1.921 raeburn 4604: my ($domfilter,$descfilter,$sincefilter,$instcodefilter,$ownerfilter,
1.947 raeburn 4605: $coursefilter,$hostidflag,$hostidref,$typefilter,$regexp_ok,
1.1029 raeburn 4606: $selfenrollonly,$catfilter,$showhidden,$caller,$cloner,$cc_clone,
1.1172.2.38 raeburn 4607: $cloneonly,$createdbefore,$createdafter,$creationcontext,$domcloner,
1.1172.2.68 raeburn 4608: $hasuniquecode,$reqcrsdom,$reqinstcode)=@_;
1.918 raeburn 4609: my $as_hash = 1;
4610: my %returnhash;
4611: if (!$domfilter) { $domfilter=''; }
1.845 albertel 4612: my %libserv = &all_library();
4613: foreach my $tryserver (keys(%libserv)) {
4614: if ( ( $hostidflag == 1
4615: && grep(/^\Q$tryserver\E$/,@{$hostidref}) )
4616: || (!defined($hostidflag)) ) {
4617:
1.918 raeburn 4618: if (($domfilter eq '') ||
4619: (&host_domain($tryserver) eq $domfilter)) {
1.1172.2.22 raeburn 4620: my $rep;
4621: if (grep { $_ eq $tryserver } ¤t_machine_ids()) {
4622: $rep = &LONCAPA::Lond::dump_course_id_handler(
4623: join(":", (&host_domain($tryserver), $sincefilter,
4624: &escape($descfilter), &escape($instcodefilter),
4625: &escape($ownerfilter), &escape($coursefilter),
4626: &escape($typefilter), &escape($regexp_ok),
4627: $as_hash, &escape($selfenrollonly),
4628: &escape($catfilter), $showhidden, $caller,
4629: &escape($cloner), &escape($cc_clone), $cloneonly,
4630: &escape($createdbefore), &escape($createdafter),
1.1172.2.68 raeburn 4631: &escape($creationcontext),$domcloner,$hasuniquecode,
4632: $reqcrsdom,&escape($reqinstcode))));
1.1172.2.22 raeburn 4633: } else {
4634: $rep = &reply('courseiddump:'.&host_domain($tryserver).':'.
4635: $sincefilter.':'.&escape($descfilter).':'.
4636: &escape($instcodefilter).':'.&escape($ownerfilter).
4637: ':'.&escape($coursefilter).':'.&escape($typefilter).
4638: ':'.&escape($regexp_ok).':'.$as_hash.':'.
4639: &escape($selfenrollonly).':'.&escape($catfilter).':'.
4640: $showhidden.':'.$caller.':'.&escape($cloner).':'.
4641: &escape($cc_clone).':'.$cloneonly.':'.
4642: &escape($createdbefore).':'.&escape($createdafter).':'.
1.1172.2.68 raeburn 4643: &escape($creationcontext).':'.$domcloner.':'.$hasuniquecode.
4644: ':'.$reqcrsdom.':'.&escape($reqinstcode),$tryserver);
1.1172.2.22 raeburn 4645: }
4646:
1.918 raeburn 4647: my @pairs=split(/\&/,$rep);
4648: foreach my $item (@pairs) {
4649: my ($key,$value)=split(/\=/,$item,2);
4650: $key = &unescape($key);
4651: next if ($key =~ /^error: 2 /);
4652: my $result = &thaw_unescape($value);
4653: if (ref($result) eq 'HASH') {
4654: $returnhash{$key}=$result;
4655: } else {
1.921 raeburn 4656: my @responses = split(/:/,$value);
4657: my @items = ('description','inst_code','owner','type');
1.918 raeburn 4658: for (my $i=0; $i<@responses; $i++) {
1.921 raeburn 4659: $returnhash{$key}{$items[$i]} = &unescape($responses[$i]);
1.918 raeburn 4660: }
1.1008 raeburn 4661: }
1.353 www 4662: }
4663: }
4664: }
4665: }
4666: return %returnhash;
4667: }
4668:
1.1055 raeburn 4669: sub courselastaccess {
4670: my ($cdom,$cnum,$hostidref) = @_;
4671: my %returnhash;
4672: if ($cdom && $cnum) {
4673: my $chome = &homeserver($cnum,$cdom);
4674: if ($chome ne 'no_host') {
4675: my $rep = &reply('courselastaccess:'.$cdom.':'.$cnum,$chome);
4676: &extract_lastaccess(\%returnhash,$rep);
4677: }
4678: } else {
4679: if (!$cdom) { $cdom=''; }
4680: my %libserv = &all_library();
4681: foreach my $tryserver (keys(%libserv)) {
4682: if (ref($hostidref) eq 'ARRAY') {
4683: next unless (grep(/^\Q$tryserver\E$/,@{$hostidref}));
4684: }
4685: if (($cdom eq '') || (&host_domain($tryserver) eq $cdom)) {
4686: my $rep = &reply('courselastaccess:'.&host_domain($tryserver).':',$tryserver);
4687: &extract_lastaccess(\%returnhash,$rep);
4688: }
4689: }
4690: }
4691: return %returnhash;
4692: }
4693:
4694: sub extract_lastaccess {
4695: my ($returnhash,$rep) = @_;
4696: if (ref($returnhash) eq 'HASH') {
4697: unless ($rep eq 'unknown_command' || $rep eq 'no_such_host' ||
4698: $rep eq 'con_lost' || $rep eq 'rejected' || $rep eq 'refused' ||
4699: $rep eq '') {
4700: my @pairs=split(/\&/,$rep);
4701: foreach my $item (@pairs) {
4702: my ($key,$value)=split(/\=/,$item,2);
4703: $key = &unescape($key);
4704: next if ($key =~ /^error: 2 /);
4705: $returnhash->{$key} = &thaw_unescape($value);
4706: }
4707: }
4708: }
4709: return;
4710: }
4711:
1.658 raeburn 4712: # ---------------------------------------------------------- DC e-mail
1.662 raeburn 4713:
4714: sub dcmailput {
1.685 raeburn 4715: my ($domain,$msgid,$message,$server)=@_;
1.662 raeburn 4716: my $status = &Apache::lonnet::critical(
1.740 www 4717: 'dcmailput:'.$domain.':'.&escape($msgid).'='.
4718: &escape($message),$server);
1.662 raeburn 4719: return $status;
4720: }
4721:
1.658 raeburn 4722: sub dcmaildump {
4723: my ($dom,$startdate,$enddate,$senders) = @_;
1.685 raeburn 4724: my %returnhash=();
1.846 albertel 4725:
4726: if (defined(&domain($dom,'primary'))) {
1.685 raeburn 4727: my $cmd='dcmaildump:'.$dom.':'.&escape($startdate).':'.
4728: &escape($enddate).':';
4729: my @esc_senders=map { &escape($_)} @$senders;
4730: $cmd.=&escape(join('&',@esc_senders));
1.846 albertel 4731: foreach my $line (split(/\&/,&reply($cmd,&domain($dom,'primary')))) {
1.800 albertel 4732: my ($key,$value) = split(/\=/,$line,2);
1.685 raeburn 4733: if (($key) && ($value)) {
4734: $returnhash{&unescape($key)} = &unescape($value);
1.658 raeburn 4735: }
4736: }
4737: }
4738: return %returnhash;
4739: }
1.662 raeburn 4740: # ---------------------------------------------------------- Domain roles
4741:
4742: sub get_domain_roles {
4743: my ($dom,$roles,$startdate,$enddate)=@_;
1.1018 raeburn 4744: if ((!defined($startdate)) || ($startdate eq '')) {
1.662 raeburn 4745: $startdate = '.';
4746: }
1.1018 raeburn 4747: if ((!defined($enddate)) || ($enddate eq '')) {
1.662 raeburn 4748: $enddate = '.';
4749: }
1.922 raeburn 4750: my $rolelist;
4751: if (ref($roles) eq 'ARRAY') {
1.1172.2.23 raeburn 4752: $rolelist = join('&',@{$roles});
1.922 raeburn 4753: }
1.662 raeburn 4754: my %personnel = ();
1.841 albertel 4755:
4756: my %servers = &get_servers($dom,'library');
4757: foreach my $tryserver (keys(%servers)) {
4758: %{$personnel{$tryserver}}=();
4759: foreach my $line (split(/\&/,&reply('domrolesdump:'.$dom.':'.
4760: &escape($startdate).':'.
4761: &escape($enddate).':'.
4762: &escape($rolelist), $tryserver))) {
4763: my ($key,$value) = split(/\=/,$line,2);
4764: if (($key) && ($value)) {
4765: $personnel{$tryserver}{&unescape($key)} = &unescape($value);
4766: }
4767: }
1.662 raeburn 4768: }
4769: return %personnel;
4770: }
1.658 raeburn 4771:
1.1172.2.89 raeburn 4772: sub get_active_domroles {
4773: my ($dom,$roles) = @_;
4774: return () unless (ref($roles) eq 'ARRAY');
4775: my $now = time;
4776: my %dompersonnel = &get_domain_roles($dom,$roles,$now,$now);
4777: my %domroles;
4778: foreach my $server (keys(%dompersonnel)) {
4779: foreach my $user (sort(keys(%{$dompersonnel{$server}}))) {
4780: my ($trole,$uname,$udom,$runame,$rudom,$rsec) = split(/:/,$user);
4781: $domroles{$uname.':'.$udom} = $dompersonnel{$server}{$user};
4782: }
4783: }
4784: return %domroles;
4785: }
4786:
1.1057 www 4787: # ----------------------------------------------------------- Interval timing
1.149 www 4788:
1.1153 www 4789: {
4790: # Caches needed for speedup of navmaps
4791: # We don't want to cache this for very long at all (5 seconds at most)
4792: #
4793: # The user for whom we cache
4794: my $cachedkey='';
4795: # The cached times for this user
4796: my %cachedtimes=();
4797: # When this was last done
1.1172.2.66 raeburn 4798: my $cachedtime='';
1.1153 www 4799:
4800: sub load_all_first_access {
1.1172.2.93.4 1(raebur 4801:7): my ($uname,$udom,$ignorecache)=@_;
1.1156 www 4802: if (($cachedkey eq $uname.':'.$udom) &&
1.1172.2.93.4 1(raebur 4803:7): (abs($cachedtime-time)<5) && (!$env{'form.markaccess'}) &&
4804:7): (!$ignorecache)) {
1.1154 raeburn 4805: return;
4806: }
4807: $cachedtime=time;
4808: $cachedkey=$uname.':'.$udom;
4809: %cachedtimes=&dump('firstaccesstimes',$udom,$uname);
1.1153 www 4810: }
4811:
1.504 albertel 4812: sub get_first_access {
1.1172.2.93.4 1(raebur 4813:7): my ($type,$argsymb,$argmap,$ignorecache)=@_;
1.790 albertel 4814: my ($symb,$courseid,$udom,$uname)=&whichuser();
1.504 albertel 4815: if ($argsymb) { $symb=$argsymb; }
4816: my ($map,$id,$res)=&decode_symb($symb);
1.1162 raeburn 4817: if ($argmap) { $map = $argmap; }
1.926 albertel 4818: if ($type eq 'course') {
4819: $res='course';
4820: } elsif ($type eq 'map') {
1.588 albertel 4821: $res=&symbread($map);
4822: } else {
4823: $res=$symb;
4824: }
1.1172.2.93.4 1(raebur 4825:7): &load_all_first_access($uname,$udom,$ignorecache);
1.1153 www 4826: return $cachedtimes{"$courseid\0$res"};
1.504 albertel 4827: }
4828:
4829: sub set_first_access {
1.1162 raeburn 4830: my ($type,$interval)=@_;
1.790 albertel 4831: my ($symb,$courseid,$udom,$uname)=&whichuser();
1.504 albertel 4832: my ($map,$id,$res)=&decode_symb($symb);
1.928 albertel 4833: if ($type eq 'course') {
4834: $res='course';
4835: } elsif ($type eq 'map') {
1.588 albertel 4836: $res=&symbread($map);
4837: } else {
4838: $res=$symb;
4839: }
1.1153 www 4840: $cachedkey='';
1.1162 raeburn 4841: my $firstaccess=&get_first_access($type,$symb,$map);
1.505 albertel 4842: if (!$firstaccess) {
1.1162 raeburn 4843: my $start = time;
4844: my $putres = &put('firstaccesstimes',{"$courseid\0$res"=>$start},
4845: $udom,$uname);
4846: if ($putres eq 'ok') {
4847: &put('timerinterval',{"$courseid\0$res"=>$interval},
4848: $udom,$uname);
4849: &appenv(
4850: {
4851: 'course.'.$courseid.'.firstaccess.'.$res => $start,
4852: 'course.'.$courseid.'.timerinterval.'.$res => $interval,
4853: }
4854: );
4855: }
4856: return $putres;
1.505 albertel 4857: }
4858: return 'already_set';
1.504 albertel 4859: }
1.1153 www 4860: }
1.1172.2.32 raeburn 4861:
4862: sub checkout {
4863: my ($symb,$tuname,$tudom,$tcrsid)=@_;
4864: my $now=time;
4865: my $lonhost=$perlvar{'lonHostID'};
4866: my $infostr=&escape(
4867: 'CHECKOUTTOKEN&'.
4868: $tuname.'&'.
4869: $tudom.'&'.
4870: $tcrsid.'&'.
4871: $symb.'&'.
4872: $now.'&'.$ENV{'REMOTE_ADDR'});
4873: my $token=&reply('tmpput:'.$infostr,$lonhost);
4874: if ($token=~/^error\:/) {
4875: &logthis("<font color=\"blue\">WARNING: ".
4876: "Checkout tmpput failed ".$tudom.' - '.$tuname.' - '.$symb.
4877: "</font>");
4878: return '';
4879: }
4880:
4881: $token=~s/^(\d+)\_.*\_(\d+)$/$1\*$2\*$lonhost/;
4882: $token=~tr/a-z/A-Z/;
4883:
4884: my %infohash=('resource.0.outtoken' => $token,
4885: 'resource.0.checkouttime' => $now,
4886: 'resource.0.outremote' => $ENV{'REMOTE_ADDR'});
4887:
4888: unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') {
4889: return '';
4890: } else {
4891: &logthis("<font color=\"blue\">WARNING: ".
4892: "Checkout cstore failed ".$tudom.' - '.$tuname.' - '.$symb.
4893: "</font>");
4894: }
4895:
4896: if (&log($tudom,$tuname,&homeserver($tuname,$tudom),
4897: &escape('Checkout '.$infostr.' - '.
4898: $token)) ne 'ok') {
4899: return '';
4900: } else {
4901: &logthis("<font color=\"blue\">WARNING: ".
4902: "Checkout log failed ".$tudom.' - '.$tuname.' - '.$symb.
4903: "</font>");
4904: }
4905: return $token;
4906: }
4907:
4908: # ------------------------------------------------------------ Check in an item
4909:
4910: sub checkin {
4911: my $token=shift;
4912: my $now=time;
4913: my ($ta,$tb,$lonhost)=split(/\*/,$token);
4914: $lonhost=~tr/A-Z/a-z/;
4915: my $dtoken=$ta.'_'.&hostname($lonhost).'_'.$tb;
4916: $dtoken=~s/\W/\_/g;
4917: my ($dummy,$tuname,$tudom,$tcrsid,$symb,$chtim,$rmaddr)=
4918: split(/\&/,&unescape(&reply('tmpget:'.$dtoken,$lonhost)));
4919:
4920: unless (($tuname) && ($tudom)) {
4921: &logthis('Check in '.$token.' ('.$dtoken.') failed');
4922: return '';
4923: }
4924:
4925: unless (&allowed('mgr',$tcrsid)) {
4926: &logthis('Check in '.$token.' ('.$dtoken.') unauthorized: '.
4927: $env{'user.name'}.' - '.$env{'user.domain'});
4928: return '';
4929: }
4930:
4931: my %infohash=('resource.0.intoken' => $token,
4932: 'resource.0.checkintime' => $now,
4933: 'resource.0.inremote' => $ENV{'REMOTE_ADDR'});
4934:
4935: unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') {
4936: return '';
4937: }
4938:
4939: if (&log($tudom,$tuname,&homeserver($tuname,$tudom),
4940: &escape('Checkin - '.$token)) ne 'ok') {
4941: return '';
4942: }
4943:
4944: return ($symb,$tuname,$tudom,$tcrsid);
4945: }
4946:
1.110 www 4947: # --------------------------------------------- Set Expire Date for Spreadsheet
4948:
4949: sub expirespread {
4950: my ($uname,$udom,$stype,$usymb)=@_;
1.620 albertel 4951: my $cid=$env{'request.course.id'};
1.110 www 4952: if ($cid) {
4953: my $now=time;
4954: my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
1.620 albertel 4955: return &reply('put:'.$env{'course.'.$cid.'.domain'}.':'.
4956: $env{'course.'.$cid.'.num'}.
1.110 www 4957: ':nohist_expirationdates:'.
4958: &escape($key).'='.$now,
1.620 albertel 4959: $env{'course.'.$cid.'.home'})
1.110 www 4960: }
4961: return 'ok';
1.14 www 4962: }
4963:
1.109 www 4964: # ----------------------------------------------------- Devalidate Spreadsheets
4965:
4966: sub devalidate {
1.325 www 4967: my ($symb,$uname,$udom)=@_;
1.620 albertel 4968: my $cid=$env{'request.course.id'};
1.109 www 4969: if ($cid) {
1.391 matthew 4970: # delete the stored spreadsheets for
4971: # - the student level sheet of this user in course's homespace
4972: # - the assessment level sheet for this resource
4973: # for this user in user's homespace
1.553 albertel 4974: # - current conditional state info
1.325 www 4975: my $key=$uname.':'.$udom.':';
1.109 www 4976: my $status=
1.299 matthew 4977: &del('nohist_calculatedsheets',
1.391 matthew 4978: [$key.'studentcalc:'],
1.620 albertel 4979: $env{'course.'.$cid.'.domain'},
4980: $env{'course.'.$cid.'.num'})
1.133 albertel 4981: .' '.
4982: &del('nohist_calculatedsheets_'.$cid,
1.391 matthew 4983: [$key.'assesscalc:'.$symb],$udom,$uname);
1.109 www 4984: unless ($status eq 'ok ok') {
4985: &logthis('Could not devalidate spreadsheet '.
1.325 www 4986: $uname.' at '.$udom.' for '.
1.109 www 4987: $symb.': '.$status);
1.133 albertel 4988: }
1.553 albertel 4989: &delenv('user.state.'.$cid);
1.109 www 4990: }
4991: }
4992:
1.265 albertel 4993: sub get_scalar {
4994: my ($string,$end) = @_;
4995: my $value;
4996: if ($$string =~ s/^([^&]*?)($end)/$2/) {
4997: $value = $1;
4998: } elsif ($$string =~ s/^([^&]*?)&//) {
4999: $value = $1;
5000: }
5001: return &unescape($value);
5002: }
5003:
5004: sub array2str {
5005: my (@array) = @_;
5006: my $result=&arrayref2str(\@array);
5007: $result=~s/^__ARRAY_REF__//;
5008: $result=~s/__END_ARRAY_REF__$//;
5009: return $result;
5010: }
5011:
1.204 albertel 5012: sub arrayref2str {
5013: my ($arrayref) = @_;
1.265 albertel 5014: my $result='__ARRAY_REF__';
1.204 albertel 5015: foreach my $elem (@$arrayref) {
1.265 albertel 5016: if(ref($elem) eq 'ARRAY') {
5017: $result.=&arrayref2str($elem).'&';
5018: } elsif(ref($elem) eq 'HASH') {
5019: $result.=&hashref2str($elem).'&';
5020: } elsif(ref($elem)) {
5021: #print("Got a ref of ".(ref($elem))." skipping.");
1.204 albertel 5022: } else {
5023: $result.=&escape($elem).'&';
5024: }
5025: }
5026: $result=~s/\&$//;
1.265 albertel 5027: $result .= '__END_ARRAY_REF__';
1.204 albertel 5028: return $result;
5029: }
5030:
1.168 albertel 5031: sub hash2str {
1.204 albertel 5032: my (%hash) = @_;
5033: my $result=&hashref2str(\%hash);
1.265 albertel 5034: $result=~s/^__HASH_REF__//;
5035: $result=~s/__END_HASH_REF__$//;
1.204 albertel 5036: return $result;
5037: }
5038:
5039: sub hashref2str {
5040: my ($hashref)=@_;
1.265 albertel 5041: my $result='__HASH_REF__';
1.800 albertel 5042: foreach my $key (sort(keys(%$hashref))) {
5043: if (ref($key) eq 'ARRAY') {
5044: $result.=&arrayref2str($key).'=';
5045: } elsif (ref($key) eq 'HASH') {
5046: $result.=&hashref2str($key).'=';
5047: } elsif (ref($key)) {
1.265 albertel 5048: $result.='=';
1.800 albertel 5049: #print("Got a ref of ".(ref($key))." skipping.");
1.204 albertel 5050: } else {
1.1132 raeburn 5051: if (defined($key)) {$result.=&escape($key).'=';} else { last; }
1.204 albertel 5052: }
5053:
1.800 albertel 5054: if(ref($hashref->{$key}) eq 'ARRAY') {
5055: $result.=&arrayref2str($hashref->{$key}).'&';
5056: } elsif(ref($hashref->{$key}) eq 'HASH') {
5057: $result.=&hashref2str($hashref->{$key}).'&';
5058: } elsif(ref($hashref->{$key})) {
1.265 albertel 5059: $result.='&';
1.800 albertel 5060: #print("Got a ref of ".(ref($hashref->{$key}))." skipping.");
1.204 albertel 5061: } else {
1.800 albertel 5062: $result.=&escape($hashref->{$key}).'&';
1.204 albertel 5063: }
5064: }
1.168 albertel 5065: $result=~s/\&$//;
1.265 albertel 5066: $result .= '__END_HASH_REF__';
1.168 albertel 5067: return $result;
5068: }
5069:
5070: sub str2hash {
1.265 albertel 5071: my ($string)=@_;
5072: my ($hash)=&str2hashref('__HASH_REF__'.$string.'__END_HASH_REF__');
5073: return %$hash;
5074: }
5075:
5076: sub str2hashref {
1.168 albertel 5077: my ($string) = @_;
1.265 albertel 5078:
5079: my %hash;
5080:
5081: if($string !~ /^__HASH_REF__/) {
5082: if (! ($string eq '' || !defined($string))) {
5083: $hash{'error'}='Not hash reference';
5084: }
5085: return (\%hash, $string);
5086: }
5087:
5088: $string =~ s/^__HASH_REF__//;
5089:
5090: while($string !~ /^__END_HASH_REF__/) {
5091: #key
5092: my $key='';
5093: if($string =~ /^__HASH_REF__/) {
5094: ($key, $string)=&str2hashref($string);
5095: if(defined($key->{'error'})) {
5096: $hash{'error'}='Bad data';
5097: return (\%hash, $string);
5098: }
5099: } elsif($string =~ /^__ARRAY_REF__/) {
5100: ($key, $string)=&str2arrayref($string);
5101: if($key->[0] eq 'Array reference error') {
5102: $hash{'error'}='Bad data';
5103: return (\%hash, $string);
5104: }
5105: } else {
5106: $string =~ s/^(.*?)=//;
1.267 albertel 5107: $key=&unescape($1);
1.265 albertel 5108: }
5109: $string =~ s/^=//;
5110:
5111: #value
5112: my $value='';
5113: if($string =~ /^__HASH_REF__/) {
5114: ($value, $string)=&str2hashref($string);
5115: if(defined($value->{'error'})) {
5116: $hash{'error'}='Bad data';
5117: return (\%hash, $string);
5118: }
5119: } elsif($string =~ /^__ARRAY_REF__/) {
5120: ($value, $string)=&str2arrayref($string);
5121: if($value->[0] eq 'Array reference error') {
5122: $hash{'error'}='Bad data';
5123: return (\%hash, $string);
5124: }
5125: } else {
5126: $value=&get_scalar(\$string,'__END_HASH_REF__');
5127: }
5128: $string =~ s/^&//;
5129:
5130: $hash{$key}=$value;
1.204 albertel 5131: }
1.265 albertel 5132:
5133: $string =~ s/^__END_HASH_REF__//;
5134:
5135: return (\%hash, $string);
1.204 albertel 5136: }
5137:
5138: sub str2array {
1.265 albertel 5139: my ($string)=@_;
5140: my ($array)=&str2arrayref('__ARRAY_REF__'.$string.'__END_ARRAY_REF__');
5141: return @$array;
5142: }
5143:
5144: sub str2arrayref {
1.204 albertel 5145: my ($string) = @_;
1.265 albertel 5146: my @array;
5147:
5148: if($string !~ /^__ARRAY_REF__/) {
5149: if (! ($string eq '' || !defined($string))) {
5150: $array[0]='Array reference error';
5151: }
5152: return (\@array, $string);
5153: }
5154:
5155: $string =~ s/^__ARRAY_REF__//;
5156:
5157: while($string !~ /^__END_ARRAY_REF__/) {
5158: my $value='';
5159: if($string =~ /^__HASH_REF__/) {
5160: ($value, $string)=&str2hashref($string);
5161: if(defined($value->{'error'})) {
5162: $array[0] ='Array reference error';
5163: return (\@array, $string);
5164: }
5165: } elsif($string =~ /^__ARRAY_REF__/) {
5166: ($value, $string)=&str2arrayref($string);
5167: if($value->[0] eq 'Array reference error') {
5168: $array[0] ='Array reference error';
5169: return (\@array, $string);
5170: }
5171: } else {
5172: $value=&get_scalar(\$string,'__END_ARRAY_REF__');
5173: }
5174: $string =~ s/^&//;
5175:
5176: push(@array, $value);
1.191 harris41 5177: }
1.265 albertel 5178:
5179: $string =~ s/^__END_ARRAY_REF__//;
5180:
5181: return (\@array, $string);
1.168 albertel 5182: }
5183:
1.167 albertel 5184: # -------------------------------------------------------------------Temp Store
5185:
1.168 albertel 5186: sub tmpreset {
5187: my ($symb,$namespace,$domain,$stuname) = @_;
5188: if (!$symb) {
5189: $symb=&symbread();
1.620 albertel 5190: if (!$symb) { $symb= $env{'request.url'}; }
1.168 albertel 5191: }
5192: $symb=escape($symb);
5193:
1.620 albertel 5194: if (!$namespace) { $namespace=$env{'request.state'}; }
1.168 albertel 5195: $namespace=~s/\//\_/g;
5196: $namespace=~s/\W//g;
5197:
1.620 albertel 5198: if (!$domain) { $domain=$env{'user.domain'}; }
5199: if (!$stuname) { $stuname=$env{'user.name'}; }
1.591 albertel 5200: if ($domain eq 'public' && $stuname eq 'public') {
5201: $stuname=$ENV{'REMOTE_ADDR'};
5202: }
1.1117 foxr 5203: my $path=LONCAPA::tempdir();
1.168 albertel 5204: my %hash;
5205: if (tie(%hash,'GDBM_File',
5206: $path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db',
1.256 albertel 5207: &GDBM_WRCREAT(),0640)) {
1.1000 raeburn 5208: foreach my $key (keys(%hash)) {
1.180 albertel 5209: if ($key=~ /:$symb/) {
1.168 albertel 5210: delete($hash{$key});
5211: }
5212: }
5213: }
5214: }
5215:
1.167 albertel 5216: sub tmpstore {
1.168 albertel 5217: my ($storehash,$symb,$namespace,$domain,$stuname) = @_;
5218:
5219: if (!$symb) {
5220: $symb=&symbread();
1.620 albertel 5221: if (!$symb) { $symb= $env{'request.url'}; }
1.168 albertel 5222: }
5223: $symb=escape($symb);
5224:
5225: if (!$namespace) {
5226: # I don't think we would ever want to store this for a course.
5227: # it seems this will only be used if we don't have a course.
1.620 albertel 5228: #$namespace=$env{'request.course.id'};
1.168 albertel 5229: #if (!$namespace) {
1.620 albertel 5230: $namespace=$env{'request.state'};
1.168 albertel 5231: #}
5232: }
5233: $namespace=~s/\//\_/g;
5234: $namespace=~s/\W//g;
1.620 albertel 5235: if (!$domain) { $domain=$env{'user.domain'}; }
5236: if (!$stuname) { $stuname=$env{'user.name'}; }
1.591 albertel 5237: if ($domain eq 'public' && $stuname eq 'public') {
5238: $stuname=$ENV{'REMOTE_ADDR'};
5239: }
1.168 albertel 5240: my $now=time;
5241: my %hash;
1.1117 foxr 5242: my $path=LONCAPA::tempdir();
1.168 albertel 5243: if (tie(%hash,'GDBM_File',
5244: $path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db',
1.256 albertel 5245: &GDBM_WRCREAT(),0640)) {
1.168 albertel 5246: $hash{"version:$symb"}++;
5247: my $version=$hash{"version:$symb"};
5248: my $allkeys='';
5249: foreach my $key (keys(%$storehash)) {
5250: $allkeys.=$key.':';
1.591 albertel 5251: $hash{"$version:$symb:$key"}=&freeze_escape($$storehash{$key});
1.168 albertel 5252: }
5253: $hash{"$version:$symb:timestamp"}=$now;
5254: $allkeys.='timestamp';
5255: $hash{"$version:keys:$symb"}=$allkeys;
5256: if (untie(%hash)) {
5257: return 'ok';
5258: } else {
5259: return "error:$!";
5260: }
5261: } else {
5262: return "error:$!";
5263: }
5264: }
1.167 albertel 5265:
1.168 albertel 5266: # -----------------------------------------------------------------Temp Restore
1.167 albertel 5267:
1.168 albertel 5268: sub tmprestore {
5269: my ($symb,$namespace,$domain,$stuname) = @_;
1.167 albertel 5270:
1.168 albertel 5271: if (!$symb) {
5272: $symb=&symbread();
1.620 albertel 5273: if (!$symb) { $symb= $env{'request.url'}; }
1.168 albertel 5274: }
5275: $symb=escape($symb);
5276:
1.620 albertel 5277: if (!$namespace) { $namespace=$env{'request.state'}; }
1.591 albertel 5278:
1.620 albertel 5279: if (!$domain) { $domain=$env{'user.domain'}; }
5280: if (!$stuname) { $stuname=$env{'user.name'}; }
1.591 albertel 5281: if ($domain eq 'public' && $stuname eq 'public') {
5282: $stuname=$ENV{'REMOTE_ADDR'};
5283: }
1.168 albertel 5284: my %returnhash;
5285: $namespace=~s/\//\_/g;
5286: $namespace=~s/\W//g;
5287: my %hash;
1.1117 foxr 5288: my $path=LONCAPA::tempdir();
1.168 albertel 5289: if (tie(%hash,'GDBM_File',
5290: $path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db',
1.256 albertel 5291: &GDBM_READER(),0640)) {
1.168 albertel 5292: my $version=$hash{"version:$symb"};
5293: $returnhash{'version'}=$version;
5294: my $scope;
5295: for ($scope=1;$scope<=$version;$scope++) {
5296: my $vkeys=$hash{"$scope:keys:$symb"};
5297: my @keys=split(/:/,$vkeys);
5298: my $key;
5299: $returnhash{"$scope:keys"}=$vkeys;
5300: foreach $key (@keys) {
1.591 albertel 5301: $returnhash{"$scope:$key"}=&thaw_unescape($hash{"$scope:$symb:$key"});
5302: $returnhash{"$key"}=&thaw_unescape($hash{"$scope:$symb:$key"});
1.167 albertel 5303: }
5304: }
1.168 albertel 5305: if (!(untie(%hash))) {
5306: return "error:$!";
5307: }
5308: } else {
5309: return "error:$!";
5310: }
5311: return %returnhash;
1.167 albertel 5312: }
5313:
1.9 www 5314: # ----------------------------------------------------------------------- Store
5315:
5316: sub store {
1.1172.2.64 raeburn 5317: my ($storehash,$symb,$namespace,$domain,$stuname,$laststore) = @_;
1.124 www 5318: my $home='';
5319:
1.168 albertel 5320: if ($stuname) { $home=&homeserver($stuname,$domain); }
1.124 www 5321:
1.213 www 5322: $symb=&symbclean($symb);
1.122 albertel 5323: if (!$symb) { unless ($symb=&symbread()) { return ''; } }
1.109 www 5324:
1.620 albertel 5325: if (!$domain) { $domain=$env{'user.domain'}; }
5326: if (!$stuname) { $stuname=$env{'user.name'}; }
1.325 www 5327:
5328: &devalidate($symb,$stuname,$domain);
1.109 www 5329:
5330: $symb=escape($symb);
1.187 www 5331: if (!$namespace) {
1.620 albertel 5332: unless ($namespace=$env{'request.course.id'}) {
1.187 www 5333: return '';
5334: }
5335: }
1.620 albertel 5336: if (!$home) { $home=$env{'user.home'}; }
1.447 www 5337:
5338: $$storehash{'ip'}=$ENV{'REMOTE_ADDR'};
5339: $$storehash{'host'}=$perlvar{'lonHostID'};
5340:
1.12 www 5341: my $namevalue='';
1.800 albertel 5342: foreach my $key (keys(%$storehash)) {
5343: $namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&';
1.191 harris41 5344: }
1.12 www 5345: $namevalue=~s/\&$//;
1.187 www 5346: &courselog($symb.':'.$stuname.':'.$domain.':STORE:'.$namevalue);
1.1172.2.64 raeburn 5347: return reply("store:$domain:$stuname:$namespace:$symb:$namevalue:$laststore","$home");
1.9 www 5348: }
5349:
1.47 www 5350: # -------------------------------------------------------------- Critical Store
5351:
5352: sub cstore {
1.1172.2.64 raeburn 5353: my ($storehash,$symb,$namespace,$domain,$stuname,$laststore) = @_;
1.124 www 5354: my $home='';
5355:
1.168 albertel 5356: if ($stuname) { $home=&homeserver($stuname,$domain); }
1.124 www 5357:
1.213 www 5358: $symb=&symbclean($symb);
1.122 albertel 5359: if (!$symb) { unless ($symb=&symbread()) { return ''; } }
1.109 www 5360:
1.620 albertel 5361: if (!$domain) { $domain=$env{'user.domain'}; }
5362: if (!$stuname) { $stuname=$env{'user.name'}; }
1.325 www 5363:
5364: &devalidate($symb,$stuname,$domain);
1.109 www 5365:
5366: $symb=escape($symb);
1.187 www 5367: if (!$namespace) {
1.620 albertel 5368: unless ($namespace=$env{'request.course.id'}) {
1.187 www 5369: return '';
5370: }
5371: }
1.620 albertel 5372: if (!$home) { $home=$env{'user.home'}; }
1.447 www 5373:
5374: $$storehash{'ip'}=$ENV{'REMOTE_ADDR'};
5375: $$storehash{'host'}=$perlvar{'lonHostID'};
1.122 albertel 5376:
1.47 www 5377: my $namevalue='';
1.800 albertel 5378: foreach my $key (keys(%$storehash)) {
5379: $namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&';
1.191 harris41 5380: }
1.47 www 5381: $namevalue=~s/\&$//;
1.187 www 5382: &courselog($symb.':'.$stuname.':'.$domain.':CSTORE:'.$namevalue);
1.188 www 5383: return critical
1.1172.2.64 raeburn 5384: ("store:$domain:$stuname:$namespace:$symb:$namevalue:$laststore","$home");
1.47 www 5385: }
5386:
1.9 www 5387: # --------------------------------------------------------------------- Restore
5388:
5389: sub restore {
1.124 www 5390: my ($symb,$namespace,$domain,$stuname) = @_;
5391: my $home='';
5392:
1.168 albertel 5393: if ($stuname) { $home=&homeserver($stuname,$domain); }
1.124 www 5394:
1.122 albertel 5395: if (!$symb) {
1.1172.2.26 raeburn 5396: return if ($namespace eq 'courserequests');
5397: unless ($symb=escape(&symbread())) { return ''; }
1.122 albertel 5398: } else {
1.1172.2.26 raeburn 5399: unless ($namespace eq 'courserequests') {
5400: $symb=&escape(&symbclean($symb));
5401: }
1.122 albertel 5402: }
1.188 www 5403: if (!$namespace) {
1.620 albertel 5404: unless ($namespace=$env{'request.course.id'}) {
1.188 www 5405: return '';
5406: }
5407: }
1.620 albertel 5408: if (!$domain) { $domain=$env{'user.domain'}; }
5409: if (!$stuname) { $stuname=$env{'user.name'}; }
5410: if (!$home) { $home=$env{'user.home'}; }
1.122 albertel 5411: my $answer=&reply("restore:$domain:$stuname:$namespace:$symb","$home");
5412:
1.12 www 5413: my %returnhash=();
1.800 albertel 5414: foreach my $line (split(/\&/,$answer)) {
5415: my ($name,$value)=split(/\=/,$line);
1.591 albertel 5416: $returnhash{&unescape($name)}=&thaw_unescape($value);
1.191 harris41 5417: }
1.75 www 5418: my $version;
5419: for ($version=1;$version<=$returnhash{'version'};$version++) {
1.800 albertel 5420: foreach my $item (split(/\:/,$returnhash{$version.':keys'})) {
5421: $returnhash{$item}=$returnhash{$version.':'.$item};
1.191 harris41 5422: }
1.75 www 5423: }
1.13 www 5424: return %returnhash;
1.34 www 5425: }
5426:
5427: # ---------------------------------------------------------- Course Description
1.1118 foxr 5428: #
5429: #
1.34 www 5430:
5431: sub coursedescription {
1.731 albertel 5432: my ($courseid,$args)=@_;
1.34 www 5433: $courseid=~s/^\///;
1.49 www 5434: $courseid=~s/\_/\//g;
1.34 www 5435: my ($cdomain,$cnum)=split(/\//,$courseid);
1.129 albertel 5436: my $chome=&homeserver($cnum,$cdomain);
1.302 albertel 5437: my $normalid=$cdomain.'_'.$cnum;
5438: # need to always cache even if we get errors otherwise we keep
5439: # trying and trying and trying to get the course description.
5440: my %envhash=();
5441: my %returnhash=();
1.731 albertel 5442:
5443: my $expiretime=600;
5444: if ($env{'request.course.id'} eq $normalid) {
5445: $expiretime=120;
5446: }
5447:
5448: my $prefix='course.'.$cdomain.'_'.$cnum.'.';
5449: if (!$args->{'freshen_cache'}
5450: && ((time-$env{$prefix.'last_cache'}) < $expiretime) ) {
5451: foreach my $key (keys(%env)) {
5452: next if ($key !~ /^\Q$prefix\E(.*)/);
5453: my ($setting) = $1;
5454: $returnhash{$setting} = $env{$key};
5455: }
5456: return %returnhash;
5457: }
5458:
1.1118 foxr 5459: # get the data again
5460:
1.731 albertel 5461: if (!$args->{'one_time'}) {
5462: $envhash{'course.'.$normalid.'.last_cache'}=time;
5463: }
1.811 albertel 5464:
1.34 www 5465: if ($chome ne 'no_host') {
1.302 albertel 5466: %returnhash=&dump('environment',$cdomain,$cnum);
1.129 albertel 5467: if (!exists($returnhash{'con_lost'})) {
1.1118 foxr 5468: my $username = $env{'user.name'}; # Defult username
5469: if(defined $args->{'user'}) {
5470: $username = $args->{'user'};
5471: }
1.129 albertel 5472: $returnhash{'home'}= $chome;
5473: $returnhash{'domain'} = $cdomain;
5474: $returnhash{'num'} = $cnum;
1.741 raeburn 5475: if (!defined($returnhash{'type'})) {
5476: $returnhash{'type'} = 'Course';
5477: }
1.130 albertel 5478: while (my ($name,$value) = each %returnhash) {
1.53 www 5479: $envhash{'course.'.$normalid.'.'.$name}=$value;
1.129 albertel 5480: }
1.270 www 5481: $returnhash{'url'}=&clutter($returnhash{'url'});
1.1117 foxr 5482: $returnhash{'fn'}=LONCAPA::tempdir() .
1.1118 foxr 5483: $username.'_'.$cdomain.'_'.$cnum;
1.60 www 5484: $envhash{'course.'.$normalid.'.home'}=$chome;
5485: $envhash{'course.'.$normalid.'.domain'}=$cdomain;
5486: $envhash{'course.'.$normalid.'.num'}=$cnum;
1.34 www 5487: }
5488: }
1.731 albertel 5489: if (!$args->{'one_time'}) {
1.949 raeburn 5490: &appenv(\%envhash);
1.731 albertel 5491: }
1.302 albertel 5492: return %returnhash;
1.461 www 5493: }
5494:
1.1080 raeburn 5495: sub update_released_required {
5496: my ($needsrelease,$cdom,$cnum,$chome,$cid) = @_;
5497: if ($cdom eq '' || $cnum eq '' || $chome eq '' || $cid eq '') {
5498: $cid = $env{'request.course.id'};
5499: $cdom = $env{'course.'.$cid.'.domain'};
5500: $cnum = $env{'course.'.$cid.'.num'};
5501: $chome = $env{'course.'.$cid.'.home'};
5502: }
5503: if ($needsrelease) {
5504: my %curr_reqd_hash = &userenvironment($cdom,$cnum,'internal.releaserequired');
5505: my $needsupdate;
5506: if ($curr_reqd_hash{'internal.releaserequired'} eq '') {
5507: $needsupdate = 1;
5508: } else {
5509: my ($currmajor,$currminor) = split(/\./,$curr_reqd_hash{'internal.releaserequired'});
5510: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
5511: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
5512: $needsupdate = 1;
5513: }
5514: }
5515: if ($needsupdate) {
5516: my %needshash = (
5517: 'internal.releaserequired' => $needsrelease,
5518: );
5519: my $putresult = &put('environment',\%needshash,$cdom,$cnum);
5520: if ($putresult eq 'ok') {
5521: &appenv({'course.'.$cid.'.internal.releaserequired' => $needsrelease});
5522: my %crsinfo = &courseiddump($cdom,'.',1,'.','.',$cnum,undef,undef,'.');
5523: if (ref($crsinfo{$cid}) eq 'HASH') {
5524: $crsinfo{$cid}{'releaserequired'} = $needsrelease;
5525: &courseidput($cdom,\%crsinfo,$chome,'notime');
5526: }
5527: }
5528: }
5529: }
5530: return;
5531: }
5532:
1.461 www 5533: # -------------------------------------------------See if a user is privileged
5534:
5535: sub privileged {
1.1172.2.23 raeburn 5536: my ($username,$domain,$possdomains,$possroles)=@_;
1.1170 droeschl 5537: my $now = time;
1.1172.2.23 raeburn 5538: my $roles;
5539: if (ref($possroles) eq 'ARRAY') {
5540: $roles = $possroles;
5541: } else {
5542: $roles = ['dc','su'];
5543: }
5544: if (ref($possdomains) eq 'ARRAY') {
5545: my %privileged = &privileged_by_domain($possdomains,$roles);
5546: foreach my $dom (@{$possdomains}) {
5547: if (($username =~ /^$match_username$/) && ($domain =~ /^$match_domain$/) &&
5548: (ref($privileged{$dom}) eq 'HASH')) {
5549: foreach my $role (@{$roles}) {
5550: if (ref($privileged{$dom}{$role}) eq 'HASH') {
5551: if (exists($privileged{$dom}{$role}{$username.':'.$domain})) {
5552: my ($end,$start) = split(/:/,$privileged{$dom}{$role}{$username.':'.$domain});
5553: return 1 unless (($end && $end < $now) ||
5554: ($start && $start > $now));
5555: }
5556: }
5557: }
5558: }
5559: }
5560: } else {
5561: my %rolesdump = &dump("roles", $domain, $username) or return 0;
5562: my $now = time;
1.1170 droeschl 5563:
1.1172.2.58 raeburn 5564: for my $role (@rolesdump{grep { ! /^rolesdef_/ } keys(%rolesdump)}) {
1.1170 droeschl 5565: my ($trole, $tend, $tstart) = split(/_/, $role);
1.1172.2.23 raeburn 5566: if (grep(/^\Q$trole\E$/,@{$roles})) {
5567: return 1 unless ($tend && $tend < $now)
5568: or ($tstart && $tstart > $now);
1.1170 droeschl 5569: }
1.1172.2.23 raeburn 5570: }
5571: }
1.461 www 5572: return 0;
1.9 www 5573: }
1.1 albertel 5574:
1.1172.2.23 raeburn 5575: sub privileged_by_domain {
5576: my ($domains,$roles) = @_;
5577: my %privileged = ();
5578: my $cachetime = 60*60*24;
5579: my $now = time;
5580: unless ((ref($domains) eq 'ARRAY') && (ref($roles) eq 'ARRAY')) {
5581: return %privileged;
5582: }
5583: foreach my $dom (@{$domains}) {
5584: next if (ref($privileged{$dom}) eq 'HASH');
5585: my $needroles;
5586: foreach my $role (@{$roles}) {
5587: my ($result,$cached)=&is_cached_new('priv_'.$role,$dom);
5588: if (defined($cached)) {
5589: if (ref($result) eq 'HASH') {
5590: $privileged{$dom}{$role} = $result;
5591: }
5592: } else {
5593: $needroles = 1;
5594: }
5595: }
5596: if ($needroles) {
5597: my %dompersonnel = &get_domain_roles($dom,$roles);
5598: $privileged{$dom} = {};
5599: foreach my $server (keys(%dompersonnel)) {
5600: if (ref($dompersonnel{$server}) eq 'HASH') {
5601: foreach my $item (keys(%{$dompersonnel{$server}})) {
5602: my ($trole,$uname,$udom,$rest) = split(/:/,$item,4);
5603: my ($end,$start) = split(/:/,$dompersonnel{$server}{$item});
5604: next if ($end && $end < $now);
5605: $privileged{$dom}{$trole}{$uname.':'.$udom} =
5606: $dompersonnel{$server}{$item};
5607: }
5608: }
5609: }
5610: if (ref($privileged{$dom}) eq 'HASH') {
5611: foreach my $role (@{$roles}) {
5612: if (ref($privileged{$dom}{$role}) eq 'HASH') {
5613: &do_cache_new('priv_'.$role,$dom,$privileged{$dom}{$role},$cachetime);
5614: } else {
5615: my %hash = ();
5616: &do_cache_new('priv_'.$role,$dom,\%hash,$cachetime);
5617: }
5618: }
5619: }
5620: }
5621: }
5622: return %privileged;
5623: }
5624:
1.103 harris41 5625: # -------------------------------------------------------- Get user privileges
1.11 www 5626:
5627: sub rolesinit {
1.1169 droeschl 5628: my ($domain, $username) = @_;
5629: my %userroles = ('user.login.time' => time);
5630: my %rolesdump = &dump("roles", $domain, $username) or return \%userroles;
5631:
5632: # firstaccess and timerinterval are related to timed maps/resources.
5633: # also, blocking can be triggered by an activating timer
5634: # it's saved in the user's %env.
5635: my %firstaccess = &dump('firstaccesstimes', $domain, $username);
5636: my %timerinterval = &dump('timerinterval', $domain, $username);
5637: my (%coursetimerstarts, %firstaccchk, %firstaccenv, %coursetimerintervals,
5638: %timerintchk, %timerintenv);
5639:
1.1162 raeburn 5640: foreach my $key (keys(%firstaccess)) {
1.1169 droeschl 5641: my ($cid, $rest) = split(/\0/, $key);
1.1162 raeburn 5642: $coursetimerstarts{$cid}{$rest} = $firstaccess{$key};
5643: }
1.1169 droeschl 5644:
1.1162 raeburn 5645: foreach my $key (keys(%timerinterval)) {
5646: my ($cid,$rest) = split(/\0/,$key);
5647: $coursetimerintervals{$cid}{$rest} = $timerinterval{$key};
5648: }
1.1169 droeschl 5649:
1.11 www 5650: my %allroles=();
1.1162 raeburn 5651: my %allgroups=();
1.11 www 5652:
1.1172.2.58 raeburn 5653: for my $area (grep { ! /^rolesdef_/ } keys(%rolesdump)) {
1.1169 droeschl 5654: my $role = $rolesdump{$area};
5655: $area =~ s/\_\w\w$//;
5656:
5657: my ($trole, $tend, $tstart, $group_privs);
5658:
5659: if ($role =~ /^cr/) {
5660: # Custom role, defined by a user
5661: # e.g., user.role.cr/msu/smith/mynewrole
5662: if ($role =~ m|^(cr/$match_domain/$match_username/[a-zA-Z0-9]+)_(.*)$|) {
5663: $trole = $1;
5664: ($tend, $tstart) = split('_', $2);
5665: } else {
5666: $trole = $role;
5667: }
5668: } elsif ($role =~ m|^gr/|) {
5669: # Role of member in a group, defined within a course/community
5670: # e.g., user.role.gr/msu/04935610a19ee4a5fmsul1/leopards
5671: ($trole, $tend, $tstart) = split(/_/, $role);
5672: next if $tstart eq '-1';
5673: ($trole, $group_privs) = split(/\//, $trole);
5674: $group_privs = &unescape($group_privs);
5675: } else {
5676: # Just a normal role, defined in roles.tab
5677: ($trole, $tend, $tstart) = split(/_/,$role);
5678: }
5679:
5680: my %new_role = &set_arearole($trole,$area,$tstart,$tend,$domain,
5681: $username);
5682: @userroles{keys(%new_role)} = @new_role{keys(%new_role)};
5683:
5684: # role expired or not available yet?
5685: $trole = '' if ($tend != 0 && $tend < $userroles{'user.login.time'}) or
5686: ($tstart != 0 && $tstart > $userroles{'user.login.time'});
5687:
5688: next if $area eq '' or $trole eq '';
5689:
5690: my $spec = "$trole.$area";
5691: my ($tdummy, $tdomain, $trest) = split(/\//, $area);
5692:
5693: if ($trole =~ /^cr\//) {
5694: # Custom role, defined by a user
5695: &custom_roleprivs(\%allroles,$trole,$tdomain,$trest,$spec,$area);
5696: } elsif ($trole eq 'gr') {
5697: # Role of a member in a group, defined within a course/community
5698: &group_roleprivs(\%allgroups,$area,$group_privs,$tend,$tstart);
5699: next;
5700: } else {
5701: # Normal role, defined in roles.tab
5702: &standard_roleprivs(\%allroles,$trole,$tdomain,$spec,$trest,$area);
5703: }
5704:
5705: my $cid = $tdomain.'_'.$trest;
5706: unless ($firstaccchk{$cid}) {
5707: if (ref($coursetimerstarts{$cid}) eq 'HASH') {
5708: foreach my $item (keys(%{$coursetimerstarts{$cid}})) {
5709: $firstaccenv{'course.'.$cid.'.firstaccess.'.$item} =
5710: $coursetimerstarts{$cid}{$item};
5711: }
5712: }
5713: $firstaccchk{$cid} = 1;
5714: }
5715: unless ($timerintchk{$cid}) {
5716: if (ref($coursetimerintervals{$cid}) eq 'HASH') {
5717: foreach my $item (keys(%{$coursetimerintervals{$cid}})) {
5718: $timerintenv{'course.'.$cid.'.timerinterval.'.$item} =
5719: $coursetimerintervals{$cid}{$item};
1.1162 raeburn 5720: }
1.12 www 5721: }
1.1169 droeschl 5722: $timerintchk{$cid} = 1;
1.191 harris41 5723: }
1.11 www 5724: }
1.1169 droeschl 5725:
1.1172.2.91 raeburn 5726: @userroles{'user.author','user.adv','user.rar'} = &set_userprivs(\%userroles,
5727: \%allroles, \%allgroups);
1.1169 droeschl 5728: $env{'user.adv'} = $userroles{'user.adv'};
1.1172.2.91 raeburn 5729: $env{'user.rar'} = $userroles{'user.rar'};
1.1169 droeschl 5730:
1.1162 raeburn 5731: return (\%userroles,\%firstaccenv,\%timerintenv);
1.11 www 5732: }
5733:
1.567 raeburn 5734: sub set_arearole {
1.1172.2.19 raeburn 5735: my ($trole,$area,$tstart,$tend,$domain,$username,$nolog) = @_;
5736: unless ($nolog) {
1.567 raeburn 5737: # log the associated role with the area
1.1172.2.19 raeburn 5738: &userrolelog($trole,$username,$domain,$area,$tstart,$tend);
5739: }
1.743 albertel 5740: return ('user.role.'.$trole.'.'.$area => $tstart.'.'.$tend);
1.567 raeburn 5741: }
5742:
5743: sub custom_roleprivs {
5744: my ($allroles,$trole,$tdomain,$trest,$spec,$area) = @_;
5745: my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$trole);
1.1172.2.40 raeburn 5746: my $homsvr = &homeserver($rauthor,$rdomain);
1.838 albertel 5747: if (&hostname($homsvr) ne '') {
1.567 raeburn 5748: my ($rdummy,$roledef)=
5749: &get('roles',["rolesdef_$rrole"],$rdomain,$rauthor);
5750: if (($rdummy ne 'con_lost') && ($roledef ne '')) {
5751: my ($syspriv,$dompriv,$coursepriv)=split(/\_/,$roledef);
5752: if (defined($syspriv)) {
1.1043 raeburn 5753: if ($trest =~ /^$match_community$/) {
5754: $syspriv =~ s/bre\&S//;
5755: }
1.567 raeburn 5756: $$allroles{'cm./'}.=':'.$syspriv;
5757: $$allroles{$spec.'./'}.=':'.$syspriv;
5758: }
5759: if ($tdomain ne '') {
5760: if (defined($dompriv)) {
5761: $$allroles{'cm./'.$tdomain.'/'}.=':'.$dompriv;
5762: $$allroles{$spec.'./'.$tdomain.'/'}.=':'.$dompriv;
5763: }
5764: if (($trest ne '') && (defined($coursepriv))) {
1.1172.2.89 raeburn 5765: if ($trole =~ m{^cr/$tdomain/$tdomain\Q-domainconfig\E/([^/]+)$}) {
5766: my $rolename = $1;
5767: $coursepriv = &course_adhocrole_privs($rolename,$tdomain,$trest,$coursepriv);
5768: }
1.567 raeburn 5769: $$allroles{'cm.'.$area}.=':'.$coursepriv;
5770: $$allroles{$spec.'.'.$area}.=':'.$coursepriv;
5771: }
5772: }
5773: }
5774: }
5775: }
5776:
1.1172.2.89 raeburn 5777: sub course_adhocrole_privs {
5778: my ($rolename,$cdom,$cnum,$coursepriv) = @_;
5779: my %overrides = &get('environment',["internal.adhocpriv.$rolename"],$cdom,$cnum);
5780: if ($overrides{"internal.adhocpriv.$rolename"}) {
5781: my (%currprivs,%storeprivs);
5782: foreach my $item (split(/:/,$coursepriv)) {
5783: my ($priv,$restrict) = split(/\&/,$item);
5784: $currprivs{$priv} = $restrict;
5785: }
5786: my (%possadd,%possremove,%full);
5787: foreach my $item (split(/\:/,$Apache::lonnet::pr{'cr:c'})) {
5788: my ($priv,$restrict)=split(/\&/,$item);
5789: $full{$priv} = $restrict;
5790: }
5791: foreach my $item (split(/,/,$overrides{"internal.adhocpriv.$rolename"})) {
5792: next if ($item eq '');
5793: my ($rule,$rest) = split(/=/,$item);
5794: next unless (($rule eq 'off') || ($rule eq 'on'));
5795: foreach my $priv (split(/:/,$rest)) {
5796: if ($priv ne '') {
5797: if ($rule eq 'off') {
5798: $possremove{$priv} = 1;
5799: } else {
5800: $possadd{$priv} = 1;
5801: }
5802: }
5803: }
5804: }
5805: foreach my $priv (sort(keys(%full))) {
5806: if (exists($currprivs{$priv})) {
5807: unless (exists($possremove{$priv})) {
5808: $storeprivs{$priv} = $currprivs{$priv};
5809: }
5810: } elsif (exists($possadd{$priv})) {
5811: $storeprivs{$priv} = $full{$priv};
5812: }
5813: }
5814: $coursepriv = ':'.join(':',map { $_.'&'.$storeprivs{$_}; } sort(keys(%storeprivs)));
5815: }
5816: return $coursepriv;
5817: }
5818:
1.678 raeburn 5819: sub group_roleprivs {
5820: my ($allgroups,$area,$group_privs,$tend,$tstart) = @_;
5821: my $access = 1;
5822: my $now = time;
5823: if (($tend!=0) && ($tend<$now)) { $access = 0; }
5824: if (($tstart!=0) && ($tstart>$now)) { $access=0; }
5825: if ($access) {
1.811 albertel 5826: my ($course,$group) = ($area =~ m|(/$match_domain/$match_courseid)/([^/]+)$|);
1.678 raeburn 5827: $$allgroups{$course}{$group} .=':'.$group_privs;
5828: }
5829: }
1.567 raeburn 5830:
5831: sub standard_roleprivs {
5832: my ($allroles,$trole,$tdomain,$spec,$trest,$area) = @_;
5833: if (defined($pr{$trole.':s'})) {
5834: $$allroles{'cm./'}.=':'.$pr{$trole.':s'};
5835: $$allroles{$spec.'./'}.=':'.$pr{$trole.':s'};
5836: }
5837: if ($tdomain ne '') {
5838: if (defined($pr{$trole.':d'})) {
5839: $$allroles{'cm./'.$tdomain.'/'}.=':'.$pr{$trole.':d'};
5840: $$allroles{$spec.'./'.$tdomain.'/'}.=':'.$pr{$trole.':d'};
5841: }
5842: if (($trest ne '') && (defined($pr{$trole.':c'}))) {
5843: $$allroles{'cm.'.$area}.=':'.$pr{$trole.':c'};
5844: $$allroles{$spec.'.'.$area}.=':'.$pr{$trole.':c'};
5845: }
5846: }
5847: }
5848:
5849: sub set_userprivs {
1.1064 raeburn 5850: my ($userroles,$allroles,$allgroups,$groups_roles) = @_;
1.567 raeburn 5851: my $author=0;
5852: my $adv=0;
1.1172.2.91 raeburn 5853: my $rar=0;
1.678 raeburn 5854: my %grouproles = ();
5855: if (keys(%{$allgroups}) > 0) {
1.1064 raeburn 5856: my @groupkeys;
1.1000 raeburn 5857: foreach my $role (keys(%{$allroles})) {
1.1064 raeburn 5858: push(@groupkeys,$role);
5859: }
5860: if (ref($groups_roles) eq 'HASH') {
5861: foreach my $key (keys(%{$groups_roles})) {
5862: unless (grep(/^\Q$key\E$/,@groupkeys)) {
5863: push(@groupkeys,$key);
5864: }
5865: }
5866: }
5867: if (@groupkeys > 0) {
5868: foreach my $role (@groupkeys) {
5869: my ($trole,$area,$sec,$extendedarea);
5870: if ($role =~ m-^(\w+|cr/$match_domain/$match_username/\w+)\.(/$match_domain/$match_courseid)(/?\w*)\.-) {
5871: $trole = $1;
5872: $area = $2;
5873: $sec = $3;
5874: $extendedarea = $area.$sec;
5875: if (exists($$allgroups{$area})) {
5876: foreach my $group (keys(%{$$allgroups{$area}})) {
5877: my $spec = $trole.'.'.$extendedarea;
5878: $grouproles{$spec.'.'.$area.'/'.$group} =
1.681 raeburn 5879: $$allgroups{$area}{$group};
1.1064 raeburn 5880: }
1.678 raeburn 5881: }
5882: }
5883: }
5884: }
5885: }
1.800 albertel 5886: foreach my $group (keys(%grouproles)) {
5887: $$allroles{$group} = $grouproles{$group};
1.678 raeburn 5888: }
1.800 albertel 5889: foreach my $role (keys(%{$allroles})) {
5890: my %thesepriv;
1.941 raeburn 5891: if (($role=~/^au/) || ($role=~/^ca/) || ($role=~/^aa/)) { $author=1; }
1.800 albertel 5892: foreach my $item (split(/:/,$$allroles{$role})) {
5893: if ($item ne '') {
5894: my ($privilege,$restrictions)=split(/&/,$item);
1.567 raeburn 5895: if ($restrictions eq '') {
5896: $thesepriv{$privilege}='F';
5897: } elsif ($thesepriv{$privilege} ne 'F') {
5898: $thesepriv{$privilege}.=$restrictions;
5899: }
5900: if ($thesepriv{'adv'} eq 'F') { $adv=1; }
1.1172.2.91 raeburn 5901: if ($thesepriv{'rar'} eq 'F') { $rar=1; }
1.567 raeburn 5902: }
5903: }
5904: my $thesestr='';
1.1104 raeburn 5905: foreach my $priv (sort(keys(%thesepriv))) {
1.800 albertel 5906: $thesestr.=':'.$priv.'&'.$thesepriv{$priv};
5907: }
5908: $userroles->{'user.priv.'.$role} = $thesestr;
1.567 raeburn 5909: }
1.1172.2.91 raeburn 5910: return ($author,$adv,$rar);
1.567 raeburn 5911: }
5912:
1.994 raeburn 5913: sub role_status {
1.1104 raeburn 5914: my ($rolekey,$update,$refresh,$now,$role,$where,$trolecode,$tstatus,$tstart,$tend) = @_;
1.994 raeburn 5915: if (exists($env{$rolekey}) && $env{$rolekey} ne '') {
1.1172.2.40 raeburn 5916: my ($one,$two) = split(m{\./},$rolekey,2);
5917: (undef,undef,$$role) = split(/\./,$one,3);
1.994 raeburn 5918: unless (!defined($$role) || $$role eq '') {
1.1172.2.40 raeburn 5919: $$where = '/'.$two;
1.994 raeburn 5920: $$trolecode=$$role.'.'.$$where;
5921: ($$tstart,$$tend)=split(/\./,$env{$rolekey});
5922: $$tstatus='is';
1.1104 raeburn 5923: if ($$tstart && $$tstart>$update) {
1.994 raeburn 5924: $$tstatus='future';
1.1034 raeburn 5925: if ($$tstart<$now) {
5926: if ($$tstart && $$tstart>$refresh) {
1.1002 raeburn 5927: if (($$where ne '') && ($$role ne '')) {
1.1064 raeburn 5928: my (%allroles,%allgroups,$group_privs,
5929: %groups_roles,@rolecodes);
1.1002 raeburn 5930: my %userroles = (
5931: 'user.role.'.$$role.'.'.$$where => $$tstart.'.'.$$tend
5932: );
1.1064 raeburn 5933: @rolecodes = ('cm');
1.1002 raeburn 5934: my $spec=$$role.'.'.$$where;
5935: my ($tdummy,$tdomain,$trest)=split(/\//,$$where);
5936: if ($$role =~ /^cr\//) {
5937: &custom_roleprivs(\%allroles,$$role,$tdomain,$trest,$spec,$$where);
1.1064 raeburn 5938: push(@rolecodes,'cr');
1.1002 raeburn 5939: } elsif ($$role eq 'gr') {
1.1064 raeburn 5940: push(@rolecodes,$$role);
1.1002 raeburn 5941: my %rolehash = &get('roles',[$$where.'_'.$$role],$env{'user.domain'},
5942: $env{'user.name'});
1.1064 raeburn 5943: my ($trole) = split('_',$rolehash{$$where.'_'.$$role},2);
1.1002 raeburn 5944: (undef,my $group_privs) = split(/\//,$trole);
5945: $group_privs = &unescape($group_privs);
5946: &group_roleprivs(\%allgroups,$$where,$group_privs,$$tend,$$tstart);
1.1064 raeburn 5947: my %course_roles = &get_my_roles($env{'user.name'},$env{'user.domain'},'userroles',['active'],['cc','co','in','ta','ep','ad','st','cr'],[$tdomain],1);
1.1104 raeburn 5948: &get_groups_roles($tdomain,$trest,
5949: \%course_roles,\@rolecodes,
5950: \%groups_roles);
1.1002 raeburn 5951: } else {
1.1064 raeburn 5952: push(@rolecodes,$$role);
1.1002 raeburn 5953: &standard_roleprivs(\%allroles,$$role,$tdomain,$spec,$trest,$$where);
5954: }
1.1172.2.91 raeburn 5955: my ($author,$adv,$rar)= &set_userprivs(\%userroles,\%allroles,\%allgroups,
5956: \%groups_roles);
1.1064 raeburn 5957: &appenv(\%userroles,\@rolecodes);
1.1172.2.92 raeburn 5958: &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},"Role ".$spec);
1.1002 raeburn 5959: }
5960: }
1.1034 raeburn 5961: $$tstatus = 'is';
1.1002 raeburn 5962: }
1.994 raeburn 5963: }
5964: if ($$tend) {
1.1104 raeburn 5965: if ($$tend<$update) {
1.994 raeburn 5966: $$tstatus='expired';
5967: } elsif ($$tend<$now) {
5968: $$tstatus='will_not';
5969: }
5970: }
5971: }
5972: }
5973: }
5974:
1.1104 raeburn 5975: sub get_groups_roles {
5976: my ($cdom,$rest,$cdom_courseroles,$rolecodes,$groups_roles) = @_;
5977: return unless((ref($cdom_courseroles) eq 'HASH') &&
5978: (ref($rolecodes) eq 'ARRAY') &&
5979: (ref($groups_roles) eq 'HASH'));
5980: if (keys(%{$cdom_courseroles}) > 0) {
5981: my ($cnum) = ($rest =~ /^($match_courseid)/);
5982: if ($cdom ne '' && $cnum ne '') {
5983: foreach my $key (keys(%{$cdom_courseroles})) {
5984: if ($key =~ /^\Q$cnum\E:\Q$cdom\E:([^:]+):?([^:]*)/) {
5985: my $crsrole = $1;
5986: my $crssec = $2;
5987: if ($crsrole =~ /^cr/) {
5988: unless (grep(/^cr$/,@{$rolecodes})) {
5989: push(@{$rolecodes},'cr');
5990: }
5991: } else {
5992: unless(grep(/^\Q$crsrole\E$/,@{$rolecodes})) {
5993: push(@{$rolecodes},$crsrole);
5994: }
5995: }
5996: my $rolekey = "$crsrole./$cdom/$cnum";
5997: if ($crssec ne '') {
5998: $rolekey .= "/$crssec";
5999: }
6000: $rolekey .= './';
6001: $groups_roles->{$rolekey} = $rolecodes;
6002: }
6003: }
6004: }
6005: }
6006: return;
6007: }
6008:
6009: sub delete_env_groupprivs {
6010: my ($where,$courseroles,$possroles) = @_;
6011: return unless((ref($courseroles) eq 'HASH') && (ref($possroles) eq 'ARRAY'));
6012: my ($dummy,$udom,$uname,$group) = split(/\//,$where);
6013: unless (ref($courseroles->{$udom}) eq 'HASH') {
6014: %{$courseroles->{$udom}} =
6015: &get_my_roles('','','userroles',['active'],
6016: $possroles,[$udom],1);
6017: }
6018: if (ref($courseroles->{$udom}) eq 'HASH') {
6019: foreach my $item (keys(%{$courseroles->{$udom}})) {
6020: my ($cnum,$cdom,$crsrole,$crssec) = split(/:/,$item);
6021: my $area = '/'.$cdom.'/'.$cnum;
6022: my $privkey = "user.priv.$crsrole.$area";
6023: if ($crssec ne '') {
6024: $privkey .= '/'.$crssec;
6025: }
6026: $privkey .= ".$area/$group";
6027: &Apache::lonnet::delenv($privkey,undef,[$crsrole]);
6028: }
6029: }
6030: return;
6031: }
6032:
1.994 raeburn 6033: sub check_adhoc_privs {
1.1172.2.86 raeburn 6034: my ($cdom,$cnum,$update,$refresh,$now,$checkrole,$caller,$sec) = @_;
1.994 raeburn 6035: my $cckey = 'user.role.'.$checkrole.'./'.$cdom.'/'.$cnum;
1.1172.2.86 raeburn 6036: if ($sec) {
6037: $cckey .= '/'.$sec;
6038: }
1.1172.2.9 raeburn 6039: my $setprivs;
1.994 raeburn 6040: if ($env{$cckey}) {
6041: my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus,$tpstart,$tpend);
1.1104 raeburn 6042: &role_status($cckey,$update,$refresh,$now,\$role,\$where,\$trolecode,\$tstatus,\$tstart,\$tend);
1.994 raeburn 6043: unless (($tstatus eq 'is') || ($tstatus eq 'will_not')) {
1.1172.2.86 raeburn 6044: &set_adhoc_privileges($cdom,$cnum,$checkrole,$caller,$sec);
1.1172.2.9 raeburn 6045: $setprivs = 1;
1.994 raeburn 6046: }
6047: } else {
1.1172.2.87 raeburn 6048: &set_adhoc_privileges($cdom,$cnum,$checkrole,$caller,$sec);
1.1172.2.9 raeburn 6049: $setprivs = 1;
1.994 raeburn 6050: }
1.1172.2.9 raeburn 6051: return $setprivs;
1.994 raeburn 6052: }
6053:
6054: sub set_adhoc_privileges {
1.1172.2.84 raeburn 6055: # role can be cc, ca, or cr/<dom>/<dom>-domainconfig/role
1.1172.2.86 raeburn 6056: my ($dcdom,$pickedcourse,$role,$caller,$sec) = @_;
1.994 raeburn 6057: my $area = '/'.$dcdom.'/'.$pickedcourse;
1.1172.2.86 raeburn 6058: if ($sec ne '') {
6059: $area .= '/'.$sec;
6060: }
1.994 raeburn 6061: my $spec = $role.'.'.$area;
6062: my %userroles = &set_arearole($role,$area,'','',$env{'user.domain'},
1.1172.2.19 raeburn 6063: $env{'user.name'},1);
1.1172.2.84 raeburn 6064: my %rolehash = ();
1.1172.2.89 raeburn 6065: if ($role =~ m{^\Qcr/$dcdom/$dcdom\E\-domainconfig/(\w+)$}) {
6066: my $rolename = $1;
1.1172.2.84 raeburn 6067: &custom_roleprivs(\%rolehash,$role,$dcdom,$pickedcourse,$spec,$area);
1.1172.2.89 raeburn 6068: my %domdef = &get_domain_defaults($dcdom);
6069: if (ref($domdef{'adhocroles'}) eq 'HASH') {
6070: if (ref($domdef{'adhocroles'}{$rolename}) eq 'HASH') {
6071: &appenv({'request.role.desc' => $domdef{'adhocroles'}{$rolename}{'desc'},});
6072: }
6073: }
1.1172.2.84 raeburn 6074: } else {
6075: &standard_roleprivs(\%rolehash,$role,$dcdom,$spec,$pickedcourse,$area);
6076: }
1.1172.2.91 raeburn 6077: my ($author,$adv,$rar)= &set_userprivs(\%userroles,\%rolehash);
1.994 raeburn 6078: &appenv(\%userroles,[$role,'cm']);
1.1172.2.92 raeburn 6079: &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},"Role ".$spec);
1.1088 raeburn 6080: unless ($caller eq 'constructaccess' && $env{'request.course.id'}) {
6081: &appenv( {'request.role' => $spec,
6082: 'request.role.domain' => $dcdom,
1.1172.2.89 raeburn 6083: 'request.course.sec' => $sec,
1.1088 raeburn 6084: }
6085: );
6086: my $tadv=0;
6087: if (&allowed('adv') eq 'F') { $tadv=1; }
6088: &appenv({'request.role.adv' => $tadv});
6089: }
1.994 raeburn 6090: }
6091:
1.12 www 6092: # --------------------------------------------------------------- get interface
6093:
6094: sub get {
1.131 albertel 6095: my ($namespace,$storearr,$udomain,$uname)=@_;
1.12 www 6096: my $items='';
1.800 albertel 6097: foreach my $item (@$storearr) {
6098: $items.=&escape($item).'&';
1.191 harris41 6099: }
1.12 www 6100: $items=~s/\&$//;
1.620 albertel 6101: if (!$udomain) { $udomain=$env{'user.domain'}; }
6102: if (!$uname) { $uname=$env{'user.name'}; }
1.131 albertel 6103: my $uhome=&homeserver($uname,$udomain);
6104:
1.133 albertel 6105: my $rep=&reply("get:$udomain:$uname:$namespace:$items",$uhome);
1.15 www 6106: my @pairs=split(/\&/,$rep);
1.273 albertel 6107: if ( $#pairs==0 && $pairs[0] =~ /^(con_lost|error|no_such_host)/i) {
6108: return @pairs;
6109: }
1.15 www 6110: my %returnhash=();
1.42 www 6111: my $i=0;
1.800 albertel 6112: foreach my $item (@$storearr) {
6113: $returnhash{$item}=&thaw_unescape($pairs[$i]);
1.42 www 6114: $i++;
1.191 harris41 6115: }
1.15 www 6116: return %returnhash;
1.27 www 6117: }
6118:
6119: # --------------------------------------------------------------- del interface
6120:
6121: sub del {
1.133 albertel 6122: my ($namespace,$storearr,$udomain,$uname)=@_;
1.27 www 6123: my $items='';
1.800 albertel 6124: foreach my $item (@$storearr) {
6125: $items.=&escape($item).'&';
1.191 harris41 6126: }
1.984 neumanie 6127:
1.27 www 6128: $items=~s/\&$//;
1.620 albertel 6129: if (!$udomain) { $udomain=$env{'user.domain'}; }
6130: if (!$uname) { $uname=$env{'user.name'}; }
1.133 albertel 6131: my $uhome=&homeserver($uname,$udomain);
6132: return &reply("del:$udomain:$uname:$namespace:$items",$uhome);
1.15 www 6133: }
6134:
6135: # -------------------------------------------------------------- dump interface
6136:
1.1172.2.22 raeburn 6137: sub unserialize {
6138: my ($rep, $escapedkeys) = @_;
6139:
6140: return {} if $rep =~ /^error/;
6141:
6142: my %returnhash=();
6143: foreach my $item (split(/\&/,$rep)) {
6144: my ($key, $value) = split(/=/, $item, 2);
6145: $key = unescape($key) unless $escapedkeys;
6146: next if $key =~ /^error: 2 /;
6147: $returnhash{$key} = &thaw_unescape($value);
6148: }
6149: return \%returnhash;
6150: }
6151:
6152: # see Lond::dump_with_regexp
6153: # if $escapedkeys hash keys won't get unescaped.
1.15 www 6154: sub dump {
1.1172.2.22 raeburn 6155: my ($namespace,$udomain,$uname,$regexp,$range,$escapedkeys)=@_;
1.755 albertel 6156: if (!$udomain) { $udomain=$env{'user.domain'}; }
6157: if (!$uname) { $uname=$env{'user.name'}; }
6158: my $uhome=&homeserver($uname,$udomain);
1.1167 droeschl 6159:
1.1172.2.55 raeburn 6160: if ($regexp) {
6161: $regexp=&escape($regexp);
6162: } else {
6163: $regexp='.';
6164: }
1.1172.2.22 raeburn 6165: if (grep { $_ eq $uhome } ¤t_machine_ids()) {
6166: # user is hosted on this machine
1.1172.2.55 raeburn 6167: my $reply = LONCAPA::Lond::dump_with_regexp(join(':', ($udomain,
1.1172.2.27 raeburn 6168: $uname, $namespace, $regexp, $range)), $perlvar{'lonVersion'});
1.1172.2.22 raeburn 6169: return %{&unserialize($reply, $escapedkeys)};
6170: }
1.1166 raeburn 6171: my $rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range",$uhome);
1.755 albertel 6172: my @pairs=split(/\&/,$rep);
6173: my %returnhash=();
1.1098 foxr 6174: if (!($rep =~ /^error/ )) {
6175: foreach my $item (@pairs) {
6176: my ($key,$value)=split(/=/,$item,2);
1.1172.2.22 raeburn 6177: $key = &unescape($key) unless ($escapedkeys);
1.1098 foxr 6178: next if ($key =~ /^error: 2 /);
6179: $returnhash{$key}=&thaw_unescape($value);
6180: }
1.755 albertel 6181: }
6182: return %returnhash;
1.407 www 6183: }
6184:
1.1098 foxr 6185:
1.717 albertel 6186: # --------------------------------------------------------- dumpstore interface
6187:
6188: sub dumpstore {
6189: my ($namespace,$udomain,$uname,$regexp,$range)=@_;
1.1172.2.22 raeburn 6190: # same as dump but keys must be escaped. They may contain colon separated
6191: # lists of values that may themself contain colons (e.g. symbs).
6192: return &dump($namespace, $udomain, $uname, $regexp, $range, 1);
1.717 albertel 6193: }
6194:
1.407 www 6195: # -------------------------------------------------------------- keys interface
6196:
6197: sub getkeys {
6198: my ($namespace,$udomain,$uname)=@_;
1.620 albertel 6199: if (!$udomain) { $udomain=$env{'user.domain'}; }
6200: if (!$uname) { $uname=$env{'user.name'}; }
1.407 www 6201: my $uhome=&homeserver($uname,$udomain);
6202: my $rep=reply("keys:$udomain:$uname:$namespace",$uhome);
6203: my @keyarray=();
1.800 albertel 6204: foreach my $key (split(/\&/,$rep)) {
1.812 raeburn 6205: next if ($key =~ /^error: 2 /);
1.800 albertel 6206: push(@keyarray,&unescape($key));
1.407 www 6207: }
6208: return @keyarray;
1.318 matthew 6209: }
6210:
1.319 matthew 6211: # --------------------------------------------------------------- currentdump
6212: sub currentdump {
1.328 matthew 6213: my ($courseid,$sdom,$sname)=@_;
1.620 albertel 6214: $courseid = $env{'request.course.id'} if (! defined($courseid));
6215: $sdom = $env{'user.domain'} if (! defined($sdom));
6216: $sname = $env{'user.name'} if (! defined($sname));
1.326 matthew 6217: my $uhome = &homeserver($sname,$sdom);
1.1172.2.50 raeburn 6218: my $rep;
6219:
6220: if (grep { $_ eq $uhome } current_machine_ids()) {
6221: $rep = LONCAPA::Lond::dump_profile_database(join(":", ($sdom, $sname,
6222: $courseid)));
6223: } else {
6224: $rep = reply('currentdump:'.$sdom.':'.$sname.':'.$courseid,$uhome);
6225: }
6226:
1.318 matthew 6227: return if ($rep =~ /^(error:|no_such_host)/);
1.319 matthew 6228: #
1.318 matthew 6229: my %returnhash=();
1.319 matthew 6230: #
1.1172.2.93.4 2(raebur 6231:7): if ($rep eq 'unknown_cmd') {
1.319 matthew 6232: # an old lond will not know currentdump
6233: # Do a dump and make it look like a currentdump
1.822 albertel 6234: my @tmp = &dumpstore($courseid,$sdom,$sname,'.');
1.319 matthew 6235: return if ($tmp[0] =~ /^(error:|no_such_host)/);
6236: my %hash = @tmp;
6237: @tmp=();
1.424 matthew 6238: %returnhash = %{&convert_dump_to_currentdump(\%hash)};
1.319 matthew 6239: } else {
6240: my @pairs=split(/\&/,$rep);
1.800 albertel 6241: foreach my $pair (@pairs) {
6242: my ($key,$value)=split(/=/,$pair,2);
1.319 matthew 6243: my ($symb,$param) = split(/:/,$key);
6244: $returnhash{&unescape($symb)}->{&unescape($param)} =
1.557 albertel 6245: &thaw_unescape($value);
1.319 matthew 6246: }
1.191 harris41 6247: }
1.12 www 6248: return %returnhash;
1.424 matthew 6249: }
6250:
6251: sub convert_dump_to_currentdump{
6252: my %hash = %{shift()};
6253: my %returnhash;
6254: # Code ripped from lond, essentially. The only difference
6255: # here is the unescaping done by lonnet::dump(). Conceivably
6256: # we might run in to problems with parameter names =~ /^v\./
6257: while (my ($key,$value) = each(%hash)) {
6258: my ($v,$symb,$param) = split(/:/,$key);
1.822 albertel 6259: $symb = &unescape($symb);
6260: $param = &unescape($param);
1.424 matthew 6261: next if ($v eq 'version' || $symb eq 'keys');
6262: next if (exists($returnhash{$symb}) &&
6263: exists($returnhash{$symb}->{$param}) &&
6264: $returnhash{$symb}->{'v.'.$param} > $v);
6265: $returnhash{$symb}->{$param}=$value;
6266: $returnhash{$symb}->{'v.'.$param}=$v;
6267: }
6268: #
6269: # Remove all of the keys in the hashes which keep track of
6270: # the version of the parameter.
6271: while (my ($symb,$param_hash) = each(%returnhash)) {
6272: # use a foreach because we are going to delete from the hash.
6273: foreach my $key (keys(%$param_hash)) {
6274: delete($param_hash->{$key}) if ($key =~ /^v\./);
6275: }
6276: }
6277: return \%returnhash;
1.12 www 6278: }
6279:
1.627 albertel 6280: # ------------------------------------------------------ critical inc interface
6281:
6282: sub cinc {
6283: return &inc(@_,'critical');
6284: }
6285:
1.449 matthew 6286: # --------------------------------------------------------------- inc interface
6287:
6288: sub inc {
1.627 albertel 6289: my ($namespace,$store,$udomain,$uname,$critical) = @_;
1.620 albertel 6290: if (!$udomain) { $udomain=$env{'user.domain'}; }
6291: if (!$uname) { $uname=$env{'user.name'}; }
1.449 matthew 6292: my $uhome=&homeserver($uname,$udomain);
6293: my $items='';
6294: if (! ref($store)) {
6295: # got a single value, so use that instead
6296: $items = &escape($store).'=&';
6297: } elsif (ref($store) eq 'SCALAR') {
6298: $items = &escape($$store).'=&';
6299: } elsif (ref($store) eq 'ARRAY') {
6300: $items = join('=&',map {&escape($_);} @{$store});
6301: } elsif (ref($store) eq 'HASH') {
6302: while (my($key,$value) = each(%{$store})) {
6303: $items.= &escape($key).'='.&escape($value).'&';
6304: }
6305: }
6306: $items=~s/\&$//;
1.627 albertel 6307: if ($critical) {
6308: return &critical("inc:$udomain:$uname:$namespace:$items",$uhome);
6309: } else {
6310: return &reply("inc:$udomain:$uname:$namespace:$items",$uhome);
6311: }
1.449 matthew 6312: }
6313:
1.12 www 6314: # --------------------------------------------------------------- put interface
6315:
6316: sub put {
1.134 albertel 6317: my ($namespace,$storehash,$udomain,$uname)=@_;
1.620 albertel 6318: if (!$udomain) { $udomain=$env{'user.domain'}; }
6319: if (!$uname) { $uname=$env{'user.name'}; }
1.134 albertel 6320: my $uhome=&homeserver($uname,$udomain);
1.12 www 6321: my $items='';
1.800 albertel 6322: foreach my $item (keys(%$storehash)) {
6323: $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';
1.191 harris41 6324: }
1.12 www 6325: $items=~s/\&$//;
1.134 albertel 6326: return &reply("put:$udomain:$uname:$namespace:$items",$uhome);
1.47 www 6327: }
6328:
1.631 albertel 6329: # ------------------------------------------------------------ newput interface
6330:
6331: sub newput {
6332: my ($namespace,$storehash,$udomain,$uname)=@_;
6333: if (!$udomain) { $udomain=$env{'user.domain'}; }
6334: if (!$uname) { $uname=$env{'user.name'}; }
6335: my $uhome=&homeserver($uname,$udomain);
6336: my $items='';
6337: foreach my $key (keys(%$storehash)) {
6338: $items.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&';
6339: }
6340: $items=~s/\&$//;
6341: return &reply("newput:$udomain:$uname:$namespace:$items",$uhome);
6342: }
6343:
6344: # --------------------------------------------------------- putstore interface
6345:
1.524 raeburn 6346: sub putstore {
1.1172.2.59 raeburn 6347: my ($namespace,$symb,$version,$storehash,$udomain,$uname,$tolog)=@_;
1.620 albertel 6348: if (!$udomain) { $udomain=$env{'user.domain'}; }
6349: if (!$uname) { $uname=$env{'user.name'}; }
1.524 raeburn 6350: my $uhome=&homeserver($uname,$udomain);
6351: my $items='';
1.715 albertel 6352: foreach my $key (keys(%$storehash)) {
6353: $items.= &escape($key).'='.&freeze_escape($storehash->{$key}).'&';
1.524 raeburn 6354: }
1.715 albertel 6355: $items=~s/\&$//;
1.716 albertel 6356: my $esc_symb=&escape($symb);
6357: my $esc_v=&escape($version);
1.715 albertel 6358: my $reply =
1.716 albertel 6359: &reply("putstore:$udomain:$uname:$namespace:$esc_symb:$esc_v:$items",
1.715 albertel 6360: $uhome);
1.1172.2.59 raeburn 6361: if (($tolog) && ($reply eq 'ok')) {
6362: my $namevalue='';
6363: foreach my $key (keys(%{$storehash})) {
6364: $namevalue.=&escape($key).'='.&freeze_escape($storehash->{$key}).'&';
6365: }
6366: $namevalue .= 'ip='.&escape($ENV{'REMOTE_ADDR'}).
6367: '&host='.&escape($perlvar{'lonHostID'}).
6368: '&version='.$esc_v.
6369: '&by='.&escape($env{'user.name'}.':'.$env{'user.domain'});
6370: &Apache::lonnet::courselog($symb.':'.$uname.':'.$udomain.':PUTSTORE:'.$namevalue);
6371: }
1.715 albertel 6372: if ($reply eq 'unknown_cmd') {
1.716 albertel 6373: # gfall back to way things use to be done
1.715 albertel 6374: return &old_putstore($namespace,$symb,$version,$storehash,$udomain,
6375: $uname);
1.524 raeburn 6376: }
1.715 albertel 6377: return $reply;
6378: }
6379:
6380: sub old_putstore {
1.716 albertel 6381: my ($namespace,$symb,$version,$storehash,$udomain,$uname)=@_;
6382: if (!$udomain) { $udomain=$env{'user.domain'}; }
6383: if (!$uname) { $uname=$env{'user.name'}; }
6384: my $uhome=&homeserver($uname,$udomain);
6385: my %newstorehash;
1.800 albertel 6386: foreach my $item (keys(%$storehash)) {
6387: my $key = $version.':'.&escape($symb).':'.$item;
6388: $newstorehash{$key} = $storehash->{$item};
1.716 albertel 6389: }
6390: my $items='';
6391: my %allitems = ();
1.800 albertel 6392: foreach my $item (keys(%newstorehash)) {
6393: if ($item =~ m/^([^\:]+):([^\:]+):([^\:]+)$/) {
1.716 albertel 6394: my $key = $1.':keys:'.$2;
6395: $allitems{$key} .= $3.':';
6396: }
1.800 albertel 6397: $items.=$item.'='.&freeze_escape($newstorehash{$item}).'&';
1.716 albertel 6398: }
1.800 albertel 6399: foreach my $item (keys(%allitems)) {
6400: $allitems{$item} =~ s/\:$//;
6401: $items.= $item.'='.$allitems{$item}.'&';
1.716 albertel 6402: }
6403: $items=~s/\&$//;
6404: return &reply("put:$udomain:$uname:$namespace:$items",$uhome);
1.524 raeburn 6405: }
6406:
1.47 www 6407: # ------------------------------------------------------ critical put interface
6408:
6409: sub cput {
1.134 albertel 6410: my ($namespace,$storehash,$udomain,$uname)=@_;
1.620 albertel 6411: if (!$udomain) { $udomain=$env{'user.domain'}; }
6412: if (!$uname) { $uname=$env{'user.name'}; }
1.134 albertel 6413: my $uhome=&homeserver($uname,$udomain);
1.47 www 6414: my $items='';
1.800 albertel 6415: foreach my $item (keys(%$storehash)) {
6416: $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';
1.191 harris41 6417: }
1.47 www 6418: $items=~s/\&$//;
1.134 albertel 6419: return &critical("put:$udomain:$uname:$namespace:$items",$uhome);
1.12 www 6420: }
6421:
6422: # -------------------------------------------------------------- eget interface
6423:
6424: sub eget {
1.133 albertel 6425: my ($namespace,$storearr,$udomain,$uname)=@_;
1.12 www 6426: my $items='';
1.800 albertel 6427: foreach my $item (@$storearr) {
6428: $items.=&escape($item).'&';
1.191 harris41 6429: }
1.12 www 6430: $items=~s/\&$//;
1.620 albertel 6431: if (!$udomain) { $udomain=$env{'user.domain'}; }
6432: if (!$uname) { $uname=$env{'user.name'}; }
1.133 albertel 6433: my $uhome=&homeserver($uname,$udomain);
6434: my $rep=&reply("eget:$udomain:$uname:$namespace:$items",$uhome);
1.12 www 6435: my @pairs=split(/\&/,$rep);
6436: my %returnhash=();
1.42 www 6437: my $i=0;
1.800 albertel 6438: foreach my $item (@$storearr) {
6439: $returnhash{$item}=&thaw_unescape($pairs[$i]);
1.42 www 6440: $i++;
1.191 harris41 6441: }
1.12 www 6442: return %returnhash;
6443: }
6444:
1.667 albertel 6445: # ------------------------------------------------------------ tmpput interface
6446: sub tmpput {
1.802 raeburn 6447: my ($storehash,$server,$context)=@_;
1.667 albertel 6448: my $items='';
1.800 albertel 6449: foreach my $item (keys(%$storehash)) {
6450: $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';
1.667 albertel 6451: }
6452: $items=~s/\&$//;
1.802 raeburn 6453: if (defined($context)) {
6454: $items .= ':'.&escape($context);
6455: }
1.667 albertel 6456: return &reply("tmpput:$items",$server);
6457: }
6458:
6459: # ------------------------------------------------------------ tmpget interface
6460: sub tmpget {
1.688 albertel 6461: my ($token,$server)=@_;
6462: if (!defined($server)) { $server = $perlvar{'lonHostID'}; }
6463: my $rep=&reply("tmpget:$token",$server);
1.667 albertel 6464: my %returnhash;
1.1172.2.85 raeburn 6465: if ($rep =~ /^(con_lost|error|no_such_host)/i) {
6466: return %returnhash;
6467: }
1.667 albertel 6468: foreach my $item (split(/\&/,$rep)) {
6469: my ($key,$value)=split(/=/,$item);
6470: $returnhash{&unescape($key)}=&thaw_unescape($value);
6471: }
6472: return %returnhash;
6473: }
6474:
1.1113 raeburn 6475: # ------------------------------------------------------------ tmpdel interface
1.688 albertel 6476: sub tmpdel {
6477: my ($token,$server)=@_;
6478: if (!defined($server)) { $server = $perlvar{'lonHostID'}; }
6479: return &reply("tmpdel:$token",$server);
6480: }
6481:
1.1172.2.13 raeburn 6482: # ------------------------------------------------------------ get_timebased_id
6483:
6484: sub get_timebased_id {
6485: my ($prefix,$keyid,$namespace,$cdom,$cnum,$idtype,$who,$locktries,
6486: $maxtries) = @_;
6487: my ($newid,$error,$dellock);
6488: unless (($prefix =~ /^\w+$/) && ($keyid =~ /^\w+$/) && ($namespace ne '')) {
6489: return ('','ok','invalid call to get suffix');
6490: }
6491:
6492: # set defaults for any optional args for which values were not supplied
6493: if ($who eq '') {
6494: $who = $env{'user.name'}.':'.$env{'user.domain'};
6495: }
6496: if (!$locktries) {
6497: $locktries = 3;
6498: }
6499: if (!$maxtries) {
6500: $maxtries = 10;
6501: }
6502:
6503: if (($cdom eq '') || ($cnum eq '')) {
6504: if ($env{'request.course.id'}) {
6505: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
6506: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
6507: }
6508: if (($cdom eq '') || ($cnum eq '')) {
6509: return ('','ok','call to get suffix not in course context');
6510: }
6511: }
6512:
6513: # construct locking item
6514: my $lockhash = {
6515: $prefix."\0".'locked_'.$keyid => $who,
6516: };
6517: my $tries = 0;
6518:
6519: # attempt to get lock on nohist_$namespace file
6520: my $gotlock = &Apache::lonnet::newput('nohist_'.$namespace,$lockhash,$cdom,$cnum);
6521: while (($gotlock ne 'ok') && $tries <$locktries) {
6522: $tries ++;
6523: sleep 1;
6524: $gotlock = &Apache::lonnet::newput('nohist_'.$namespace,$lockhash,$cdom,$cnum);
6525: }
6526:
6527: # attempt to get unique identifier, based on current timestamp
6528: if ($gotlock eq 'ok') {
6529: my %inuse = &Apache::lonnet::dump('nohist_'.$namespace,$cdom,$cnum,$prefix);
6530: my $id = time;
6531: $newid = $id;
1.1172.2.56 raeburn 6532: if ($idtype eq 'addcode') {
6533: $newid .= &sixnum_code();
6534: }
1.1172.2.13 raeburn 6535: my $idtries = 0;
6536: while (exists($inuse{$prefix."\0".$newid}) && $idtries < $maxtries) {
6537: if ($idtype eq 'concat') {
6538: $newid = $id.$idtries;
1.1172.2.56 raeburn 6539: } elsif ($idtype eq 'addcode') {
6540: $newid = $newid.&sixnum_code();
1.1172.2.13 raeburn 6541: } else {
6542: $newid ++;
6543: }
6544: $idtries ++;
6545: }
6546: if (!exists($inuse{$prefix."\0".$newid})) {
6547: my %new_item = (
6548: $prefix."\0".$newid => $who,
6549: );
6550: my $putresult = &Apache::lonnet::put('nohist_'.$namespace,\%new_item,
6551: $cdom,$cnum);
6552: if ($putresult ne 'ok') {
6553: undef($newid);
6554: $error = 'error saving new item: '.$putresult;
6555: }
6556: } else {
1.1172.2.56 raeburn 6557: undef($newid);
1.1172.2.13 raeburn 6558: $error = ('error: no unique suffix available for the new item ');
6559: }
6560: # remove lock
6561: my @del_lock = ($prefix."\0".'locked_'.$keyid);
6562: $dellock = &Apache::lonnet::del('nohist_'.$namespace,\@del_lock,$cdom,$cnum);
6563: } else {
6564: $error = "error: could not obtain lockfile\n";
6565: $dellock = 'ok';
1.1172.2.58 raeburn 6566: if (($prefix eq 'paste') && ($namespace eq 'courseeditor') && ($keyid eq 'num')) {
6567: $dellock = 'nolock';
6568: }
1.1172.2.13 raeburn 6569: }
6570: return ($newid,$dellock,$error);
6571: }
6572:
1.1172.2.56 raeburn 6573: sub sixnum_code {
6574: my $code;
6575: for (0..6) {
6576: $code .= int( rand(9) );
6577: }
6578: return $code;
6579: }
6580:
1.765 albertel 6581: # -------------------------------------------------- portfolio access checking
6582:
6583: sub portfolio_access {
1.1172.2.77 raeburn 6584: my ($requrl,$clientip) = @_;
1.765 albertel 6585: my (undef,$udom,$unum,$file_name,$group) = &parse_portfolio_url($requrl);
1.1172.2.77 raeburn 6586: my $result = &get_portfolio_access($udom,$unum,$file_name,$group,$clientip);
1.814 raeburn 6587: if ($result) {
6588: my %setters;
6589: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
6590: my ($startblock,$endblock) =
6591: &Apache::loncommon::blockcheck(\%setters,'port',$unum,$udom);
6592: if ($startblock && $endblock) {
6593: return 'B';
6594: }
6595: } else {
6596: my ($startblock,$endblock) =
6597: &Apache::loncommon::blockcheck(\%setters,'port');
6598: if ($startblock && $endblock) {
6599: return 'B';
6600: }
6601: }
6602: }
1.765 albertel 6603: if ($result eq 'ok') {
1.766 albertel 6604: return 'F';
1.765 albertel 6605: } elsif ($result =~ /^[^:]+:guest_/) {
1.766 albertel 6606: return 'A';
1.765 albertel 6607: }
1.766 albertel 6608: return '';
1.765 albertel 6609: }
6610:
6611: sub get_portfolio_access {
1.1172.2.77 raeburn 6612: my ($udom,$unum,$file_name,$group,$clientip,$access_hash) = @_;
1.767 albertel 6613:
6614: if (!ref($access_hash)) {
6615: my $current_perms = &get_portfile_permissions($udom,$unum);
6616: my %access_controls = &get_access_controls($current_perms,$group,
6617: $file_name);
6618: $access_hash = $access_controls{$file_name};
6619: }
6620:
1.1172.2.77 raeburn 6621: my ($public,$guest,@domains,@users,@courses,@groups,@ips);
1.765 albertel 6622: my $now = time;
6623: if (ref($access_hash) eq 'HASH') {
6624: foreach my $key (keys(%{$access_hash})) {
6625: my ($num,$scope,$end,$start) = ($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/);
6626: if ($start > $now) {
6627: next;
6628: }
6629: if ($end && $end<$now) {
6630: next;
6631: }
6632: if ($scope eq 'public') {
6633: $public = $key;
6634: last;
6635: } elsif ($scope eq 'guest') {
6636: $guest = $key;
6637: } elsif ($scope eq 'domains') {
6638: push(@domains,$key);
6639: } elsif ($scope eq 'users') {
6640: push(@users,$key);
6641: } elsif ($scope eq 'course') {
6642: push(@courses,$key);
6643: } elsif ($scope eq 'group') {
6644: push(@groups,$key);
1.1172.2.77 raeburn 6645: } elsif ($scope eq 'ip') {
6646: push(@ips,$key);
1.765 albertel 6647: }
6648: }
6649: if ($public) {
6650: return 'ok';
1.1172.2.77 raeburn 6651: } elsif (@ips > 0) {
6652: my $allowed;
6653: foreach my $ipkey (@ips) {
6654: if (ref($access_hash->{$ipkey}{'ip'}) eq 'ARRAY') {
6655: if (&Apache::loncommon::check_ip_acc(join(',',@{$access_hash->{$ipkey}{'ip'}}),$clientip)) {
6656: $allowed = 1;
6657: last;
6658: }
6659: }
6660: }
6661: if ($allowed) {
6662: return 'ok';
6663: }
1.765 albertel 6664: }
6665: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
6666: if ($guest) {
6667: return $guest;
6668: }
6669: } else {
6670: if (@domains > 0) {
6671: foreach my $domkey (@domains) {
6672: if (ref($access_hash->{$domkey}{'dom'}) eq 'ARRAY') {
6673: if (grep(/^\Q$env{'user.domain'}\E$/,@{$access_hash->{$domkey}{'dom'}})) {
6674: return 'ok';
6675: }
6676: }
6677: }
6678: }
6679: if (@users > 0) {
6680: foreach my $userkey (@users) {
1.865 raeburn 6681: if (ref($access_hash->{$userkey}{'users'}) eq 'ARRAY') {
6682: foreach my $item (@{$access_hash->{$userkey}{'users'}}) {
6683: if (ref($item) eq 'HASH') {
6684: if (($item->{'uname'} eq $env{'user.name'}) &&
6685: ($item->{'udom'} eq $env{'user.domain'})) {
6686: return 'ok';
6687: }
6688: }
6689: }
6690: }
1.765 albertel 6691: }
6692: }
6693: my %roleshash;
6694: my @courses_and_groups = @courses;
6695: push(@courses_and_groups,@groups);
6696: if (@courses_and_groups > 0) {
6697: my (%allgroups,%allroles);
6698: my ($start,$end,$role,$sec,$group);
6699: foreach my $envkey (%env) {
1.1060 raeburn 6700: if ($envkey =~ m-^user\.role\.(gr|cc|co|in|ta|ep|ad|st)\./($match_domain)/($match_courseid)/?([^/]*)$-) {
1.765 albertel 6701: my $cid = $2.'_'.$3;
6702: if ($1 eq 'gr') {
6703: $group = $4;
6704: $allgroups{$cid}{$group} = $env{$envkey};
6705: } else {
6706: if ($4 eq '') {
6707: $sec = 'none';
6708: } else {
6709: $sec = $4;
6710: }
6711: $allroles{$cid}{$1}{$sec} = $env{$envkey};
6712: }
1.811 albertel 6713: } elsif ($envkey =~ m-^user\.role\./cr/($match_domain/$match_username/\w*)./($match_domain)/($match_courseid)/?([^/]*)$-) {
1.765 albertel 6714: my $cid = $2.'_'.$3;
6715: if ($4 eq '') {
6716: $sec = 'none';
6717: } else {
6718: $sec = $4;
6719: }
6720: $allroles{$cid}{$1}{$sec} = $env{$envkey};
6721: }
6722: }
6723: if (keys(%allroles) == 0) {
6724: return;
6725: }
6726: foreach my $key (@courses_and_groups) {
6727: my %content = %{$$access_hash{$key}};
6728: my $cnum = $content{'number'};
6729: my $cdom = $content{'domain'};
6730: my $cid = $cdom.'_'.$cnum;
6731: if (!exists($allroles{$cid})) {
6732: next;
6733: }
6734: foreach my $role_id (keys(%{$content{'roles'}})) {
6735: my @sections = @{$content{'roles'}{$role_id}{'section'}};
6736: my @groups = @{$content{'roles'}{$role_id}{'group'}};
6737: my @status = @{$content{'roles'}{$role_id}{'access'}};
6738: my @roles = @{$content{'roles'}{$role_id}{'role'}};
6739: foreach my $role (keys(%{$allroles{$cid}})) {
6740: if ((grep/^all$/,@roles) || (grep/^\Q$role\E$/,@roles)) {
6741: foreach my $sec (keys(%{$allroles{$cid}{$role}})) {
6742: if (&course_group_datechecker($allroles{$cid}{$role}{$sec},$now,\@status) eq 'ok') {
6743: if (grep/^all$/,@sections) {
6744: return 'ok';
6745: } else {
6746: if (grep/^$sec$/,@sections) {
6747: return 'ok';
6748: }
6749: }
6750: }
6751: }
6752: if (keys(%{$allgroups{$cid}}) == 0) {
6753: if (grep/^none$/,@groups) {
6754: return 'ok';
6755: }
6756: } else {
6757: if (grep/^all$/,@groups) {
6758: return 'ok';
6759: }
6760: foreach my $group (keys(%{$allgroups{$cid}})) {
6761: if (grep/^$group$/,@groups) {
6762: return 'ok';
6763: }
6764: }
6765: }
6766: }
6767: }
6768: }
6769: }
6770: }
6771: if ($guest) {
6772: return $guest;
6773: }
6774: }
6775: }
6776: return;
6777: }
6778:
6779: sub course_group_datechecker {
6780: my ($dates,$now,$status) = @_;
6781: my ($start,$end) = split(/\./,$dates);
6782: if (!$start && !$end) {
6783: return 'ok';
6784: }
6785: if (grep/^active$/,@{$status}) {
6786: if (((!$start) || ($start && $start <= $now)) && ((!$end) || ($end && $end >= $now))) {
6787: return 'ok';
6788: }
6789: }
6790: if (grep/^previous$/,@{$status}) {
6791: if ($end > $now ) {
6792: return 'ok';
6793: }
6794: }
6795: if (grep/^future$/,@{$status}) {
6796: if ($start > $now) {
6797: return 'ok';
6798: }
6799: }
6800: return;
6801: }
6802:
6803: sub parse_portfolio_url {
6804: my ($url) = @_;
6805:
6806: my ($type,$udom,$unum,$group,$file_name);
6807:
1.823 albertel 6808: if ($url =~ m-^/*(?:uploaded|editupload)/($match_domain)/($match_username)/portfolio(/.+)$-) {
1.765 albertel 6809: $type = 1;
6810: $udom = $1;
6811: $unum = $2;
6812: $file_name = $3;
1.823 albertel 6813: } elsif ($url =~ m-^/*(?:uploaded|editupload)/($match_domain)/($match_courseid)/groups/([^/]+)/portfolio/(.+)$-) {
1.765 albertel 6814: $type = 2;
6815: $udom = $1;
6816: $unum = $2;
6817: $group = $3;
6818: $file_name = $3.'/'.$4;
6819: }
6820: if (wantarray) {
6821: return ($type,$udom,$unum,$file_name,$group);
6822: }
6823: return $type;
6824: }
6825:
6826: sub is_portfolio_url {
6827: my ($url) = @_;
6828: return scalar(&parse_portfolio_url($url));
6829: }
6830:
1.798 raeburn 6831: sub is_portfolio_file {
6832: my ($file) = @_;
1.820 raeburn 6833: if (($file =~ /^portfolio/) || ($file =~ /^groups\/\w+\/portfolio/)) {
1.798 raeburn 6834: return 1;
6835: }
6836: return;
6837: }
6838:
1.976 raeburn 6839: sub usertools_access {
1.1084 raeburn 6840: my ($uname,$udom,$tool,$action,$context,$userenvref,$domdefref,$is_advref)=@_;
1.985 raeburn 6841: my ($access,%tools);
6842: if ($context eq '') {
6843: $context = 'tools';
6844: }
6845: if ($context eq 'requestcourses') {
6846: %tools = (
6847: official => 1,
6848: unofficial => 1,
1.1006 raeburn 6849: community => 1,
1.1172.2.37 raeburn 6850: textbook => 1,
1.985 raeburn 6851: );
1.1172.2.9 raeburn 6852: } elsif ($context eq 'requestauthor') {
6853: %tools = (
6854: requestauthor => 1,
6855: );
1.985 raeburn 6856: } else {
6857: %tools = (
6858: aboutme => 1,
6859: blog => 1,
1.1172.2.6 raeburn 6860: webdav => 1,
1.985 raeburn 6861: portfolio => 1,
6862: );
6863: }
1.976 raeburn 6864: return if (!defined($tools{$tool}));
6865:
1.1172.2.35 raeburn 6866: if (($udom eq '') || ($uname eq '')) {
1.976 raeburn 6867: $udom = $env{'user.domain'};
6868: $uname = $env{'user.name'};
6869: }
6870:
1.978 raeburn 6871: if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) {
6872: if ($action ne 'reload') {
1.985 raeburn 6873: if ($context eq 'requestcourses') {
6874: return $env{'environment.canrequest.'.$tool};
1.1172.2.9 raeburn 6875: } elsif ($context eq 'requestauthor') {
6876: return $env{'environment.canrequest.author'};
1.985 raeburn 6877: } else {
6878: return $env{'environment.availabletools.'.$tool};
6879: }
6880: }
1.976 raeburn 6881: }
6882:
1.1172.2.9 raeburn 6883: my ($toolstatus,$inststatus,$envkey);
6884: if ($context eq 'requestauthor') {
6885: $envkey = $context;
6886: } else {
6887: $envkey = $context.'.'.$tool;
6888: }
1.976 raeburn 6889:
1.985 raeburn 6890: if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'}) &&
6891: ($action ne 'reload')) {
1.1172.2.9 raeburn 6892: $toolstatus = $env{'environment.'.$envkey};
1.976 raeburn 6893: $inststatus = $env{'environment.inststatus'};
6894: } else {
1.1084 raeburn 6895: if (ref($userenvref) eq 'HASH') {
1.1172.2.9 raeburn 6896: $toolstatus = $userenvref->{$envkey};
1.1084 raeburn 6897: $inststatus = $userenvref->{'inststatus'};
6898: } else {
1.1172.2.9 raeburn 6899: my %userenv = &userenvironment($udom,$uname,$envkey,'inststatus');
6900: $toolstatus = $userenv{$envkey};
1.1084 raeburn 6901: $inststatus = $userenv{'inststatus'};
6902: }
1.976 raeburn 6903: }
6904:
6905: if ($toolstatus ne '') {
6906: if ($toolstatus) {
6907: $access = 1;
6908: } else {
6909: $access = 0;
6910: }
6911: return $access;
6912: }
6913:
1.1084 raeburn 6914: my ($is_adv,%domdef);
6915: if (ref($is_advref) eq 'HASH') {
6916: $is_adv = $is_advref->{'is_adv'};
6917: } else {
6918: $is_adv = &is_advanced_user($udom,$uname);
6919: }
6920: if (ref($domdefref) eq 'HASH') {
6921: %domdef = %{$domdefref};
6922: } else {
6923: %domdef = &get_domain_defaults($udom);
6924: }
1.976 raeburn 6925: if (ref($domdef{$tool}) eq 'HASH') {
6926: if ($is_adv) {
6927: if ($domdef{$tool}{'_LC_adv'} ne '') {
6928: if ($domdef{$tool}{'_LC_adv'}) {
6929: $access = 1;
6930: } else {
6931: $access = 0;
6932: }
6933: return $access;
6934: }
6935: }
6936: if ($inststatus ne '') {
6937: my ($hasaccess,$hasnoaccess);
6938: foreach my $affiliation (split(/:/,$inststatus)) {
6939: if ($domdef{$tool}{$affiliation} ne '') {
6940: if ($domdef{$tool}{$affiliation}) {
6941: $hasaccess = 1;
6942: } else {
6943: $hasnoaccess = 1;
6944: }
6945: }
6946: }
6947: if ($hasaccess || $hasnoaccess) {
6948: if ($hasaccess) {
6949: $access = 1;
6950: } elsif ($hasnoaccess) {
6951: $access = 0;
6952: }
6953: return $access;
6954: }
6955: } else {
6956: if ($domdef{$tool}{'default'} ne '') {
6957: if ($domdef{$tool}{'default'}) {
6958: $access = 1;
6959: } elsif ($domdef{$tool}{'default'} == 0) {
6960: $access = 0;
6961: }
6962: return $access;
6963: }
6964: }
6965: } else {
1.1172.2.6 raeburn 6966: if (($context eq 'tools') && ($tool ne 'webdav')) {
1.985 raeburn 6967: $access = 1;
6968: } else {
6969: $access = 0;
6970: }
1.976 raeburn 6971: return $access;
6972: }
6973: }
6974:
1.1050 raeburn 6975: sub is_course_owner {
6976: my ($cdom,$cnum,$udom,$uname) = @_;
6977: if (($udom eq '') || ($uname eq '')) {
6978: $udom = $env{'user.domain'};
6979: $uname = $env{'user.name'};
6980: }
6981: unless (($udom eq '') || ($uname eq '')) {
6982: if (exists($env{'course.'.$cdom.'_'.$cnum.'.internal.courseowner'})) {
6983: if ($env{'course.'.$cdom.'_'.$cnum.'.internal.courseowner'} eq $uname.':'.$udom) {
6984: return 1;
6985: } else {
6986: my %courseinfo = &Apache::lonnet::coursedescription($cdom.'/'.$cnum);
6987: if ($courseinfo{'internal.courseowner'} eq $uname.':'.$udom) {
6988: return 1;
6989: }
6990: }
6991: }
6992: }
6993: return;
6994: }
6995:
1.976 raeburn 6996: sub is_advanced_user {
6997: my ($udom,$uname) = @_;
1.1085 raeburn 6998: if ($udom ne '' && $uname ne '') {
6999: if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) {
1.1128 raeburn 7000: if (wantarray) {
7001: return ($env{'user.adv'},$env{'user.author'});
7002: } else {
7003: return $env{'user.adv'};
7004: }
1.1085 raeburn 7005: }
7006: }
1.976 raeburn 7007: my %roleshash = &get_my_roles($uname,$udom,'userroles',undef,undef,undef,1);
7008: my %allroles;
1.1128 raeburn 7009: my ($is_adv,$is_author);
1.976 raeburn 7010: foreach my $role (keys(%roleshash)) {
7011: my ($trest,$tdomain,$trole,$sec) = split(/:/,$role);
7012: my $area = '/'.$tdomain.'/'.$trest;
7013: if ($sec ne '') {
7014: $area .= '/'.$sec;
7015: }
7016: if (($area ne '') && ($trole ne '')) {
7017: my $spec=$trole.'.'.$area;
7018: if ($trole =~ /^cr\//) {
7019: &custom_roleprivs(\%allroles,$trole,$tdomain,$trest,$spec,$area);
7020: } elsif ($trole ne 'gr') {
7021: &standard_roleprivs(\%allroles,$trole,$tdomain,$spec,$trest,$area);
7022: }
1.1128 raeburn 7023: if ($trole eq 'au') {
7024: $is_author = 1;
7025: }
1.976 raeburn 7026: }
7027: }
7028: foreach my $role (keys(%allroles)) {
7029: last if ($is_adv);
7030: foreach my $item (split(/:/,$allroles{$role})) {
7031: if ($item ne '') {
7032: my ($privilege,$restrictions)=split(/&/,$item);
7033: if ($privilege eq 'adv') {
7034: $is_adv = 1;
7035: last;
7036: }
7037: }
7038: }
7039: }
1.1128 raeburn 7040: if (wantarray) {
7041: return ($is_adv,$is_author);
7042: }
1.976 raeburn 7043: return $is_adv;
7044: }
1.798 raeburn 7045:
1.1035 raeburn 7046: sub check_can_request {
1.1036 raeburn 7047: my ($dom,$can_request,$request_domains) = @_;
1.1035 raeburn 7048: my $canreq = 0;
7049: my ($types,$typename) = &Apache::loncommon::course_types();
7050: my @options = ('approval','validate','autolimit');
7051: my $optregex = join('|',@options);
7052: if ((ref($can_request) eq 'HASH') && (ref($types) eq 'ARRAY')) {
7053: foreach my $type (@{$types}) {
7054: if (&usertools_access($env{'user.name'},
7055: $env{'user.domain'},
7056: $type,undef,'requestcourses')) {
7057: $canreq ++;
1.1036 raeburn 7058: if (ref($request_domains) eq 'HASH') {
7059: push(@{$request_domains->{$type}},$env{'user.domain'});
7060: }
1.1035 raeburn 7061: if ($dom eq $env{'user.domain'}) {
7062: $can_request->{$type} = 1;
7063: }
7064: }
7065: if ($env{'environment.reqcrsotherdom.'.$type} ne '') {
7066: my @curr = split(',',$env{'environment.reqcrsotherdom.'.$type});
7067: if (@curr > 0) {
1.1036 raeburn 7068: foreach my $item (@curr) {
7069: if (ref($request_domains) eq 'HASH') {
7070: my ($otherdom) = ($item =~ /^($match_domain):($optregex)(=?\d*)$/);
7071: if ($otherdom ne '') {
7072: if (ref($request_domains->{$type}) eq 'ARRAY') {
7073: unless (grep(/^\Q$otherdom\E$/,@{$request_domains->{$type}})) {
7074: push(@{$request_domains->{$type}},$otherdom);
7075: }
7076: } else {
7077: push(@{$request_domains->{$type}},$otherdom);
7078: }
7079: }
7080: }
7081: }
7082: unless($dom eq $env{'user.domain'}) {
7083: $canreq ++;
1.1035 raeburn 7084: if (grep(/^\Q$dom\E:($optregex)(=?\d*)$/,@curr)) {
7085: $can_request->{$type} = 1;
7086: }
7087: }
7088: }
7089: }
7090: }
7091: }
7092: return $canreq;
7093: }
7094:
1.341 www 7095: # ---------------------------------------------- Custom access rule evaluation
7096:
7097: sub customaccess {
7098: my ($priv,$uri)=@_;
1.807 albertel 7099: my ($urole,$urealm)=split(/\./,$env{'request.role'},2);
1.819 www 7100: my (undef,$udom,$ucrs,$usec)=split(/\//,$urealm);
1.807 albertel 7101: $udom = &LONCAPA::clean_domain($udom);
7102: $ucrs = &LONCAPA::clean_username($ucrs);
1.341 www 7103: my $access=0;
1.800 albertel 7104: foreach my $right (split(/\s*\,\s*/,&metadata($uri,'rule_rights'))) {
1.893 albertel 7105: my ($effect,$realm,$role,$type)=split(/\:/,$right);
7106: if ($type eq 'user') {
7107: foreach my $scope (split(/\s*\,\s*/,$realm)) {
1.896 albertel 7108: my ($tdom,$tuname)=split(m{/},$scope);
1.893 albertel 7109: if ($tdom) {
7110: if ($tdom ne $env{'user.domain'}) { next; }
7111: }
1.896 albertel 7112: if ($tuname) {
7113: if ($tuname ne $env{'user.name'}) { next; }
1.893 albertel 7114: }
7115: $access=($effect eq 'allow');
7116: last;
7117: }
7118: } else {
7119: if ($role) {
7120: if ($role ne $urole) { next; }
7121: }
7122: foreach my $scope (split(/\s*\,\s*/,$realm)) {
7123: my ($tdom,$tcrs,$tsec)=split(/\_/,$scope);
7124: if ($tdom) {
7125: if ($tdom ne $udom) { next; }
7126: }
7127: if ($tcrs) {
7128: if ($tcrs ne $ucrs) { next; }
7129: }
7130: if ($tsec) {
7131: if ($tsec ne $usec) { next; }
7132: }
7133: $access=($effect eq 'allow');
7134: last;
7135: }
7136: if ($realm eq '' && $role eq '') {
7137: $access=($effect eq 'allow');
7138: }
1.402 bowersj2 7139: }
1.341 www 7140: }
7141: return $access;
7142: }
7143:
1.103 harris41 7144: # ------------------------------------------------- Check for a user privilege
1.12 www 7145:
7146: sub allowed {
1.1172.2.65 raeburn 7147: my ($priv,$uri,$symb,$role,$clientip,$noblockcheck)=@_;
1.705 albertel 7148: my $ver_orguri=$uri;
1.439 www 7149: $uri=&deversion($uri);
1.152 www 7150: my $orguri=$uri;
1.52 www 7151: $uri=&declutter($uri);
1.809 raeburn 7152:
1.810 raeburn 7153: if ($priv eq 'evb') {
7154: # Evade communication block restrictions for specified role in a course
7155: if ($env{'user.priv.'.$role} =~/evb\&([^\:]*)/) {
7156: return $1;
7157: } else {
7158: return;
7159: }
7160: }
7161:
1.620 albertel 7162: if (defined($env{'allowed.'.$priv})) { return $env{'allowed.'.$priv}; }
1.54 www 7163: # Free bre access to adm and meta resources
1.1172.2.93.4 2(raebur 7164:7): if (((($uri=~/^adm\//) && ($uri !~ m{/(?:smppg|bulletinboard|ext\.tool)$}))
1.769 albertel 7165: || (($uri=~/\.meta$/) && ($uri!~m|^uploaded/|) ))
7166: && ($priv eq 'bre')) {
1.14 www 7167: return 'F';
1.159 www 7168: }
7169:
1.545 banghart 7170: # Free bre access to user's own portfolio contents
1.714 raeburn 7171: my ($space,$domain,$name,@dir)=split('/',$uri);
1.647 raeburn 7172: if (($space=~/^(uploaded|editupload)$/) && ($env{'user.name'} eq $name) &&
1.714 raeburn 7173: ($env{'user.domain'} eq $domain) && ('portfolio' eq $dir[0])) {
1.814 raeburn 7174: my %setters;
7175: my ($startblock,$endblock) =
7176: &Apache::loncommon::blockcheck(\%setters,'port');
7177: if ($startblock && $endblock) {
7178: return 'B';
7179: } else {
7180: return 'F';
7181: }
1.545 banghart 7182: }
7183:
1.762 raeburn 7184: # bre access to group portfolio for rgf priv in group, or mdg or vcg in course.
1.714 raeburn 7185: if (($space=~/^(uploaded|editupload)$/) && ($dir[0] eq 'groups')
7186: && ($dir[2] eq 'portfolio') && ($priv eq 'bre')) {
7187: if (exists($env{'request.course.id'})) {
7188: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
7189: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
7190: if (($domain eq $cdom) && ($name eq $cnum)) {
7191: my $courseprivid=$env{'request.course.id'};
7192: $courseprivid=~s/\_/\//;
7193: if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid
7194: .'/'.$dir[1]} =~/rgf\&([^\:]*)/) {
7195: return $1;
1.762 raeburn 7196: } else {
7197: if ($env{'request.course.sec'}) {
7198: $courseprivid.='/'.$env{'request.course.sec'};
7199: }
7200: if ($env{'user.priv.'.$env{'request.role'}.'./'.
7201: $courseprivid} =~/(mdg|vcg)\&([^\:]*)/) {
7202: return $2;
7203: }
1.714 raeburn 7204: }
7205: }
7206: }
7207: }
7208:
1.159 www 7209: # Free bre to public access
7210:
7211: if ($priv eq 'bre') {
1.238 www 7212: my $copyright=&metadata($uri,'copyright');
1.620 albertel 7213: if (($copyright eq 'public') && (!$env{'request.course.id'})) {
1.301 www 7214: return 'F';
7215: }
1.238 www 7216: if ($copyright eq 'priv') {
7217: $uri=~/([^\/]+)\/([^\/]+)\//;
1.620 albertel 7218: unless (($env{'user.name'} eq $2) && ($env{'user.domain'} eq $1)) {
1.238 www 7219: return '';
7220: }
7221: }
7222: if ($copyright eq 'domain') {
7223: $uri=~/([^\/]+)\/([^\/]+)\//;
1.620 albertel 7224: unless (($env{'user.domain'} eq $1) ||
7225: ($env{'course.'.$env{'request.course.id'}.'.domain'} eq $1)) {
1.238 www 7226: return '';
7227: }
1.262 matthew 7228: }
1.620 albertel 7229: if ($env{'request.role'}=~ /li\.\//) {
1.262 matthew 7230: # Library role, so allow browsing of resources in this domain.
7231: return 'F';
1.238 www 7232: }
1.341 www 7233: if ($copyright eq 'custom') {
7234: unless (&customaccess($priv,$uri)) { return ''; }
7235: }
1.14 www 7236: }
1.264 matthew 7237: # Domain coordinator is trying to create a course
1.620 albertel 7238: if (($priv eq 'ccc') && ($env{'request.role'} =~ /^dc\./)) {
1.264 matthew 7239: # uri is the requested domain in this case.
7240: # comparison to 'request.role.domain' shows if the user has selected
1.678 raeburn 7241: # a role of dc for the domain in question.
1.620 albertel 7242: return 'F' if ($uri eq $env{'request.role.domain'});
1.264 matthew 7243: }
1.29 www 7244:
1.52 www 7245: my $thisallowed='';
7246: my $statecond=0;
7247: my $courseprivid='';
7248:
1.1039 raeburn 7249: my $ownaccess;
1.1043 raeburn 7250: # Community Coordinator or Assistant Co-author browsing resource space.
1.1039 raeburn 7251: if (($priv eq 'bro') && ($env{'user.author'})) {
7252: if ($uri eq '') {
7253: $ownaccess = 1;
7254: } else {
7255: if (($env{'user.domain'} ne '') && ($env{'user.name'} ne '')) {
7256: my $udom = $env{'user.domain'};
7257: my $uname = $env{'user.name'};
7258: if ($uri =~ m{^\Q$udom\E/?$}) {
7259: $ownaccess = 1;
1.1040 raeburn 7260: } elsif ($uri =~ m{^\Q$udom\E/\Q$uname\E/?}) {
1.1039 raeburn 7261: unless ($uri =~ m{\.\./}) {
7262: $ownaccess = 1;
7263: }
7264: } elsif (($udom ne 'public') && ($uname ne 'public')) {
7265: my $now = time;
7266: if ($uri =~ m{^([^/]+)/?$}) {
7267: my $adom = $1;
7268: foreach my $key (keys(%env)) {
1.1042 raeburn 7269: if ($key =~ m{^user\.role\.(ca|aa)/\Q$adom\E}) {
1.1039 raeburn 7270: my ($start,$end) = split('.',$env{$key});
7271: if (($now >= $start) && (!$end || $end < $now)) {
7272: $ownaccess = 1;
7273: last;
7274: }
7275: }
7276: }
7277: } elsif ($uri =~ m{^([^/]+)/([^/]+)/?}) {
7278: my $adom = $1;
7279: my $aname = $2;
1.1042 raeburn 7280: foreach my $role ('ca','aa') {
7281: if ($env{"user.role.$role./$adom/$aname"}) {
7282: my ($start,$end) =
7283: split('.',$env{"user.role.$role./$adom/$aname"});
7284: if (($now >= $start) && (!$end || $end < $now)) {
7285: $ownaccess = 1;
7286: last;
7287: }
1.1039 raeburn 7288: }
7289: }
7290: }
7291: }
7292: }
7293: }
7294: }
7295:
1.52 www 7296: # Course
7297:
1.620 albertel 7298: if ($env{'user.priv.'.$env{'request.role'}.'./'}=~/\Q$priv\E\&([^\:]*)/) {
1.1043 raeburn 7299: unless (($priv eq 'bro') && (!$ownaccess)) {
1.1039 raeburn 7300: $thisallowed.=$1;
7301: }
1.52 www 7302: }
1.29 www 7303:
1.52 www 7304: # Domain
7305:
1.620 albertel 7306: if ($env{'user.priv.'.$env{'request.role'}.'./'.(split(/\//,$uri))[0].'/'}
1.479 albertel 7307: =~/\Q$priv\E\&([^\:]*)/) {
1.1043 raeburn 7308: unless (($priv eq 'bro') && (!$ownaccess)) {
1.1039 raeburn 7309: $thisallowed.=$1;
7310: }
1.12 www 7311: }
1.52 www 7312:
1.1141 raeburn 7313: # User who is not author or co-author might still be able to edit
7314: # resource of an author in the domain (e.g., if Domain Coordinator).
7315: if (($priv eq 'eco') && ($thisallowed eq '') && ($env{'request.course.id'}) &&
7316: (&allowed('mdc',$env{'request.course.id'}))) {
7317: if ($env{"user.priv.cm./$uri/"}=~/\Q$priv\E\&([^\:]*)/) {
7318: $thisallowed.=$1;
7319: }
7320: }
7321:
1.52 www 7322: # Course: uri itself is a course
1.66 www 7323: my $courseuri=$uri;
7324: $courseuri=~s/\_(\d)/\/$1/;
1.83 www 7325: $courseuri=~s/^([^\/])/\/$1/;
1.81 www 7326:
1.620 albertel 7327: if ($env{'user.priv.'.$env{'request.role'}.'.'.$courseuri}
1.479 albertel 7328: =~/\Q$priv\E\&([^\:]*)/) {
1.1043 raeburn 7329: unless (($priv eq 'bro') && (!$ownaccess)) {
1.1039 raeburn 7330: $thisallowed.=$1;
7331: }
1.12 www 7332: }
1.29 www 7333:
1.665 albertel 7334: # URI is an uploaded document for this course, default permissions don't matter
1.611 albertel 7335: # not allowing 'edit' access (editupload) to uploaded course docs
1.492 albertel 7336: if (($priv eq 'bre') && ($uri=~m|^uploaded/|)) {
1.665 albertel 7337: $thisallowed='';
1.671 raeburn 7338: my ($match)=&is_on_map($uri);
7339: if ($match) {
7340: if ($env{'user.priv.'.$env{'request.role'}.'./'}
7341: =~/\Q$priv\E\&([^\:]*)/) {
1.1172.2.65 raeburn 7342: my $value = $1;
7343: if ($noblockcheck) {
7344: $thisallowed.=$value;
1.1162 raeburn 7345: } else {
1.1172.2.65 raeburn 7346: my @blockers = &has_comm_blocking($priv,$symb,$uri);
7347: if (@blockers > 0) {
7348: $thisallowed = 'B';
7349: } else {
7350: $thisallowed.=$value;
7351: }
1.1162 raeburn 7352: }
1.671 raeburn 7353: }
7354: } else {
1.705 albertel 7355: my $refuri = $env{'httpref.'.$orguri} || $env{'httpref.'.$ver_orguri};
1.671 raeburn 7356: if ($refuri) {
7357: if ($refuri =~ m|^/adm/|) {
1.669 raeburn 7358: $thisallowed='F';
1.671 raeburn 7359: } else {
7360: $refuri=&declutter($refuri);
7361: my ($match) = &is_on_map($refuri);
7362: if ($match) {
1.1172.2.65 raeburn 7363: if ($noblockcheck) {
1.1162 raeburn 7364: $thisallowed='F';
1.1172.2.65 raeburn 7365: } else {
7366: my @blockers = &has_comm_blocking($priv,$symb,$refuri);
7367: if (@blockers > 0) {
7368: $thisallowed = 'B';
7369: } else {
7370: $thisallowed='F';
7371: }
1.1162 raeburn 7372: }
1.671 raeburn 7373: }
1.669 raeburn 7374: }
1.671 raeburn 7375: }
7376: }
1.314 www 7377: }
1.492 albertel 7378:
1.766 albertel 7379: if ($priv eq 'bre'
7380: && $thisallowed ne 'F'
7381: && $thisallowed ne '2'
7382: && &is_portfolio_url($uri)) {
1.1172.2.77 raeburn 7383: $thisallowed = &portfolio_access($uri,$clientip);
1.766 albertel 7384: }
7385:
1.52 www 7386: # Full access at system, domain or course-wide level? Exit.
1.29 www 7387: if ($thisallowed=~/F/) {
7388: return 'F';
7389: }
7390:
1.52 www 7391: # If this is generating or modifying users, exit with special codes
1.29 www 7392:
1.643 www 7393: if (':csu:cdc:ccc:cin:cta:cep:ccr:cst:cad:cli:cau:cdg:cca:caa:'=~/\:\Q$priv\E\:/) {
7394: if (($priv eq 'cca') || ($priv eq 'caa')) {
1.642 albertel 7395: my ($audom,$auname)=split('/',$uri);
1.643 www 7396: # no author name given, so this just checks on the general right to make a co-author in this domain
7397: unless ($auname) { return $thisallowed; }
7398: # an author name is given, so we are about to actually make a co-author for a certain account
1.642 albertel 7399: if (($auname ne $env{'user.name'} && $env{'request.role'} !~ /^dc\./) ||
7400: (($audom ne $env{'user.domain'} && $env{'request.role'} !~ /^dc\./) &&
7401: ($audom ne $env{'request.role.domain'}))) { return ''; }
7402: }
1.52 www 7403: return $thisallowed;
7404: }
7405: #
1.103 harris41 7406: # Gathered so far: system, domain and course wide privileges
1.52 www 7407: #
7408: # Course: See if uri or referer is an individual resource that is part of
7409: # the course
7410:
1.620 albertel 7411: if ($env{'request.course.id'}) {
1.232 www 7412:
1.620 albertel 7413: $courseprivid=$env{'request.course.id'};
7414: if ($env{'request.course.sec'}) {
7415: $courseprivid.='/'.$env{'request.course.sec'};
1.52 www 7416: }
7417: $courseprivid=~s/\_/\//;
7418: my $checkreferer=1;
1.232 www 7419: my ($match,$cond)=&is_on_map($uri);
7420: if ($match) {
7421: $statecond=$cond;
1.620 albertel 7422: if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid}
1.479 albertel 7423: =~/\Q$priv\E\&([^\:]*)/) {
1.1162 raeburn 7424: my $value = $1;
7425: if ($priv eq 'bre') {
1.1172.2.65 raeburn 7426: if ($noblockcheck) {
1.1162 raeburn 7427: $thisallowed.=$value;
1.1172.2.65 raeburn 7428: } else {
7429: my @blockers = &has_comm_blocking($priv,$symb,$uri);
7430: if (@blockers > 0) {
7431: $thisallowed = 'B';
7432: } else {
7433: $thisallowed.=$value;
7434: }
1.1162 raeburn 7435: }
7436: } else {
7437: $thisallowed.=$value;
7438: }
1.52 www 7439: $checkreferer=0;
7440: }
1.29 www 7441: }
1.83 www 7442:
1.148 www 7443: if ($checkreferer) {
1.620 albertel 7444: my $refuri=$env{'httpref.'.$orguri};
1.148 www 7445: unless ($refuri) {
1.800 albertel 7446: foreach my $key (keys(%env)) {
7447: if ($key=~/^httpref\..*\*/) {
7448: my $pattern=$key;
1.156 www 7449: $pattern=~s/^httpref\.\/res\///;
1.148 www 7450: $pattern=~s/\*/\[\^\/\]\+/g;
7451: $pattern=~s/\//\\\//g;
1.152 www 7452: if ($orguri=~/$pattern/) {
1.800 albertel 7453: $refuri=$env{$key};
1.148 www 7454: }
7455: }
1.191 harris41 7456: }
1.148 www 7457: }
1.232 www 7458:
1.148 www 7459: if ($refuri) {
1.152 www 7460: $refuri=&declutter($refuri);
1.232 www 7461: my ($match,$cond)=&is_on_map($refuri);
7462: if ($match) {
7463: my $refstatecond=$cond;
1.620 albertel 7464: if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid}
1.479 albertel 7465: =~/\Q$priv\E\&([^\:]*)/) {
1.1162 raeburn 7466: my $value = $1;
7467: if ($priv eq 'bre') {
1.1172.2.65 raeburn 7468: if ($noblockcheck) {
1.1162 raeburn 7469: $thisallowed.=$value;
1.1172.2.65 raeburn 7470: } else {
7471: my @blockers = &has_comm_blocking($priv,$symb,$refuri);
7472: if (@blockers > 0) {
7473: $thisallowed = 'B';
7474: } else {
7475: $thisallowed.=$value;
7476: }
1.1162 raeburn 7477: }
7478: } else {
7479: $thisallowed.=$value;
7480: }
1.53 www 7481: $uri=$refuri;
7482: $statecond=$refstatecond;
1.52 www 7483: }
7484: }
1.148 www 7485: }
1.29 www 7486: }
1.52 www 7487: }
1.29 www 7488:
1.52 www 7489: #
1.103 harris41 7490: # Gathered now: all privileges that could apply, and condition number
1.52 www 7491: #
7492: #
7493: # Full or no access?
7494: #
1.29 www 7495:
1.52 www 7496: if ($thisallowed=~/F/) {
7497: return 'F';
7498: }
1.29 www 7499:
1.52 www 7500: unless ($thisallowed) {
7501: return '';
7502: }
1.29 www 7503:
1.52 www 7504: # Restrictions exist, deal with them
7505: #
7506: # C:according to course preferences
7507: # R:according to resource settings
7508: # L:unless locked
7509: # X:according to user session state
7510: #
7511:
7512: # Possibly locked functionality, check all courses
1.54 www 7513: # Locks might take effect only after 10 minutes cache expiration for other
7514: # courses, and 2 minutes for current course
1.52 www 7515:
7516: my $envkey;
7517: if ($thisallowed=~/L/) {
1.1000 raeburn 7518: foreach $envkey (keys(%env)) {
1.54 www 7519: if ($envkey=~/^user\.role\.(st|ta)\.([^\.]*)/) {
7520: my $courseid=$2;
7521: my $roleid=$1.'.'.$2;
1.92 www 7522: $courseid=~s/^\///;
1.54 www 7523: my $expiretime=600;
1.620 albertel 7524: if ($env{'request.role'} eq $roleid) {
1.54 www 7525: $expiretime=120;
7526: }
7527: my ($cdom,$cnum,$csec)=split(/\//,$courseid);
7528: my $prefix='course.'.$cdom.'_'.$cnum.'.';
1.620 albertel 7529: if ((time-$env{$prefix.'last_cache'})>$expiretime) {
1.731 albertel 7530: &coursedescription($courseid,{'freshen_cache' => 1});
1.54 www 7531: }
1.620 albertel 7532: if (($env{$prefix.'res.'.$uri.'.lock.sections'}=~/\,\Q$csec\E\,/)
7533: || ($env{$prefix.'res.'.$uri.'.lock.sections'} eq 'all')) {
7534: if ($env{$prefix.'res.'.$uri.'.lock.expire'}>time) {
7535: &log($env{'user.domain'},$env{'user.name'},
7536: $env{'user.home'},
1.57 www 7537: 'Locked by res: '.$priv.' for '.$uri.' due to '.
1.52 www 7538: $cdom.'/'.$cnum.'/'.$csec.' expire '.
1.620 albertel 7539: $env{$prefix.'priv.'.$priv.'.lock.expire'});
1.52 www 7540: return '';
7541: }
7542: }
1.620 albertel 7543: if (($env{$prefix.'priv.'.$priv.'.lock.sections'}=~/\,\Q$csec\E\,/)
7544: || ($env{$prefix.'priv.'.$priv.'.lock.sections'} eq 'all')) {
7545: if ($env{'priv.'.$priv.'.lock.expire'}>time) {
7546: &log($env{'user.domain'},$env{'user.name'},
7547: $env{'user.home'},
1.57 www 7548: 'Locked by priv: '.$priv.' for '.$uri.' due to '.
1.52 www 7549: $cdom.'/'.$cnum.'/'.$csec.' expire '.
1.620 albertel 7550: $env{$prefix.'priv.'.$priv.'.lock.expire'});
1.52 www 7551: return '';
7552: }
7553: }
7554: }
1.29 www 7555: }
1.52 www 7556: }
7557:
7558: #
7559: # Rest of the restrictions depend on selected course
7560: #
7561:
1.620 albertel 7562: unless ($env{'request.course.id'}) {
1.766 albertel 7563: if ($thisallowed eq 'A') {
7564: return 'A';
1.814 raeburn 7565: } elsif ($thisallowed eq 'B') {
7566: return 'B';
1.766 albertel 7567: } else {
7568: return '1';
7569: }
1.52 www 7570: }
1.29 www 7571:
1.52 www 7572: #
7573: # Now user is definitely in a course
7574: #
1.53 www 7575:
7576:
7577: # Course preferences
7578:
7579: if ($thisallowed=~/C/) {
1.620 albertel 7580: my $rolecode=(split(/\./,$env{'request.role'}))[0];
7581: my $unamedom=$env{'user.name'}.':'.$env{'user.domain'};
7582: if ($env{'course.'.$env{'request.course.id'}.'.'.$priv.'.roles.denied'}
1.479 albertel 7583: =~/\Q$rolecode\E/) {
1.1103 raeburn 7584: if (($priv ne 'pch') && ($priv ne 'plc')) {
1.689 albertel 7585: &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.':'.
7586: 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode.' in '.
7587: $env{'request.course.id'});
7588: }
1.237 www 7589: return '';
7590: }
7591:
1.620 albertel 7592: if ($env{'course.'.$env{'request.course.id'}.'.'.$priv.'.users.denied'}
1.479 albertel 7593: =~/\Q$unamedom\E/) {
1.1103 raeburn 7594: if (($priv ne 'pch') && ($priv ne 'plc')) {
1.689 albertel 7595: &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.
7596: 'Denied by user: '.$priv.' for '.$uri.' as '.$unamedom.' in '.
7597: $env{'request.course.id'});
7598: }
1.54 www 7599: return '';
7600: }
1.53 www 7601: }
7602:
7603: # Resource preferences
7604:
7605: if ($thisallowed=~/R/) {
1.620 albertel 7606: my $rolecode=(split(/\./,$env{'request.role'}))[0];
1.479 albertel 7607: if (&metadata($uri,'roledeny')=~/\Q$rolecode\E/) {
1.1103 raeburn 7608: if (($priv ne 'pch') && ($priv ne 'plc')) {
1.689 albertel 7609: &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.':'.
7610: 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode);
7611: }
7612: return '';
1.54 www 7613: }
1.53 www 7614: }
1.30 www 7615:
1.246 www 7616: # Restricted by state or randomout?
1.30 www 7617:
1.52 www 7618: if ($thisallowed=~/X/) {
1.620 albertel 7619: if ($env{'acc.randomout'}) {
1.579 albertel 7620: if (!$symb) { $symb=&symbread($uri,1); }
1.620 albertel 7621: if (($symb) && ($env{'acc.randomout'}=~/\&\Q$symb\E\&/)) {
1.248 www 7622: return '';
7623: }
1.247 www 7624: }
7625: if (&condval($statecond)) {
1.52 www 7626: return '2';
7627: } else {
7628: return '';
7629: }
7630: }
1.30 www 7631:
1.766 albertel 7632: if ($thisallowed eq 'A') {
7633: return 'A';
1.814 raeburn 7634: } elsif ($thisallowed eq 'B') {
7635: return 'B';
1.766 albertel 7636: }
1.52 www 7637: return 'F';
1.232 www 7638: }
1.1162 raeburn 7639:
1.1172.2.13 raeburn 7640: # ------------------------------------------- Check construction space access
7641:
7642: sub constructaccess {
7643: my ($url,$setpriv)=@_;
7644:
7645: # We do not allow editing of previous versions of files
7646: if ($url=~/\.(\d+)\.(\w+)$/) { return ''; }
7647:
7648: # Get username and domain from URL
7649: my ($ownername,$ownerdomain,$ownerhome);
7650:
7651: ($ownerdomain,$ownername) =
1.1172.2.83 raeburn 7652: ($url=~ m{^(?:\Q$perlvar{'lonDocRoot'}\E|)/priv/($match_domain)/($match_username)(?:/|$)});
1.1172.2.13 raeburn 7653:
7654: # The URL does not really point to any authorspace, forget it
7655: unless (($ownername) && ($ownerdomain)) { return ''; }
7656:
7657: # Now we need to see if the user has access to the authorspace of
7658: # $ownername at $ownerdomain
7659:
7660: if (($ownername eq $env{'user.name'}) && ($ownerdomain eq $env{'user.domain'})) {
7661: # Real author for this?
7662: $ownerhome = $env{'user.home'};
7663: if (exists($env{'user.priv.au./'.$ownerdomain.'/./'})) {
7664: return ($ownername,$ownerdomain,$ownerhome);
7665: }
7666: } else {
7667: # Co-author for this?
7668: if (exists($env{'user.priv.ca./'.$ownerdomain.'/'.$ownername.'./'}) ||
7669: exists($env{'user.priv.aa./'.$ownerdomain.'/'.$ownername.'./'}) ) {
7670: $ownerhome = &homeserver($ownername,$ownerdomain);
7671: return ($ownername,$ownerdomain,$ownerhome);
7672: }
7673: }
7674:
7675: # We don't have any access right now. If we are not possibly going to do anything about this,
7676: # we might as well leave
7677: unless ($setpriv) { return ''; }
7678:
7679: # Backdoor access?
7680: my $allowed=&allowed('eco',$ownerdomain);
7681: # Nope
7682: unless ($allowed) { return ''; }
7683: # Looks like we may have access, but could be locked by the owner of the construction space
7684: if ($allowed eq 'U') {
7685: my %blocked=&get('environment',['domcoord.author'],
7686: $ownerdomain,$ownername);
7687: # Is blocked by owner
7688: if ($blocked{'domcoord.author'} eq 'blocked') { return ''; }
7689: }
7690: if (($allowed eq 'F') || ($allowed eq 'U')) {
7691: # Grant temporary access
7692: my $then=$env{'user.login.time'};
1.1172.2.16 raeburn 7693: my $update=$env{'user.update.time'};
1.1172.2.13 raeburn 7694: if (!$update) { $update = $then; }
7695: my $refresh=$env{'user.refresh.time'};
7696: if (!$refresh) { $refresh = $update; }
7697: my $now = time;
7698: &check_adhoc_privs($ownerdomain,$ownername,$update,$refresh,
7699: $now,'ca','constructaccess');
7700: $ownerhome = &homeserver($ownername,$ownerdomain);
7701: return($ownername,$ownerdomain,$ownerhome);
7702: }
7703: # No business here
7704: return '';
7705: }
7706:
1.1172.2.66 raeburn 7707: # ----------------------------------------------------------- Content Blocking
7708:
7709: {
7710: # Caches for faster Course Contents display where content blocking
7711: # is in operation (i.e., interval param set) for timed quiz.
7712: #
7713: # User for whom data are being temporarily cached.
7714: my $cacheduser='';
7715: # Cached blockers for this user (a hash of blocking items).
7716: my %cachedblockers=();
7717: # When the data were last cached.
7718: my $cachedlast='';
7719:
7720: sub load_all_blockers {
7721: my ($uname,$udom,$blocks)=@_;
7722: if (($uname ne '') && ($udom ne '')) {
7723: if (($cacheduser eq $uname.':'.$udom) &&
7724: (abs($cachedlast-time)<5)) {
7725: return;
7726: }
7727: }
7728: $cachedlast=time;
7729: $cacheduser=$uname.':'.$udom;
7730: %cachedblockers = &get_commblock_resources($blocks);
7731: }
7732:
1.1162 raeburn 7733: sub get_comm_blocks {
7734: my ($cdom,$cnum) = @_;
7735: if ($cdom eq '' || $cnum eq '') {
7736: return unless ($env{'request.course.id'});
7737: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
7738: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
7739: }
7740: my %commblocks;
7741: my $hashid=$cdom.'_'.$cnum;
7742: my ($blocksref,$cached)=&is_cached_new('comm_block',$hashid);
7743: if ((defined($cached)) && (ref($blocksref) eq 'HASH')) {
7744: %commblocks = %{$blocksref};
7745: } else {
7746: %commblocks = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
7747: my $cachetime = 600;
7748: &do_cache_new('comm_block',$hashid,\%commblocks,$cachetime);
7749: }
7750: return %commblocks;
7751: }
7752:
1.1172.2.66 raeburn 7753: sub get_commblock_resources {
7754: my ($blocks) = @_;
7755: my %blockers = ();
7756: return %blockers unless ($env{'request.course.id'});
7757: return %blockers if ($env{'user.priv.'.$env{'request.role'}} =~/evb\&([^\:]*)/);
1.1162 raeburn 7758: my %commblocks;
7759: if (ref($blocks) eq 'HASH') {
7760: %commblocks = %{$blocks};
7761: } else {
7762: %commblocks = &get_comm_blocks();
7763: }
1.1172.2.66 raeburn 7764: return %blockers unless (keys(%commblocks) > 0);
1.1163 raeburn 7765: my $navmap = Apache::lonnavmaps::navmap->new();
1.1172.2.66 raeburn 7766: return %blockers unless (ref($navmap));
7767: my $now = time;
1.1162 raeburn 7768: foreach my $block (keys(%commblocks)) {
7769: if ($block =~ /^(\d+)____(\d+)$/) {
7770: my ($start,$end) = ($1,$2);
7771: if ($start <= $now && $end >= $now) {
7772: if (ref($commblocks{$block}{'blocks'}) eq 'HASH') {
7773: if (ref($commblocks{$block}{'blocks'}{'docs'}) eq 'HASH') {
7774: if (ref($commblocks{$block}{'blocks'}{'docs'}{'maps'}) eq 'HASH') {
1.1172.2.66 raeburn 7775: if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'maps'}})) {
7776: $blockers{$block}{maps} = $commblocks{$block}{'blocks'}{'docs'}{'maps'};
1.1162 raeburn 7777: }
7778: }
7779: if (ref($commblocks{$block}{'blocks'}{'docs'}{'resources'}) eq 'HASH') {
1.1172.2.66 raeburn 7780: if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'resources'}})) {
7781: $blockers{$block}{'resources'} = $commblocks{$block}{'blocks'}{'docs'}{'resources'};
1.1162 raeburn 7782: }
7783: }
7784: }
7785: }
7786: }
7787: } elsif ($block =~ /^firstaccess____(.+)$/) {
7788: my $item = $1;
1.1163 raeburn 7789: my @to_test;
1.1162 raeburn 7790: if (ref($commblocks{$block}{'blocks'}) eq 'HASH') {
7791: if (ref($commblocks{$block}{'blocks'}{'docs'}) eq 'HASH') {
1.1172.2.66 raeburn 7792: my @interval;
7793: my $type = 'map';
7794: if ($item eq 'course') {
7795: $type = 'course';
7796: @interval=&EXT("resource.0.interval");
7797: } else {
7798: if ($item =~ /___\d+___/) {
7799: $type = 'resource';
7800: @interval=&EXT("resource.0.interval",$item);
7801: if (ref($navmap)) {
7802: my $res = $navmap->getBySymb($item);
7803: push(@to_test,$res);
7804: }
1.1162 raeburn 7805: } else {
1.1172.2.66 raeburn 7806: my $mapsymb = &symbread($item,1);
7807: if ($mapsymb) {
7808: if (ref($navmap)) {
7809: my $mapres = $navmap->getBySymb($mapsymb);
7810: @to_test = $mapres->retrieveResources($mapres,undef,0,0,0,1);
7811: foreach my $res (@to_test) {
7812: my $symb = $res->symb();
7813: next if ($symb eq $mapsymb);
7814: if ($symb ne '') {
7815: @interval=&EXT("resource.0.interval",$symb);
7816: if ($interval[1] eq 'map') {
7817: last;
1.1162 raeburn 7818: }
7819: }
7820: }
7821: }
7822: }
7823: }
1.1172.2.66 raeburn 7824: }
1.1172.2.93.4 1(raebur 7825:7): if ($interval[0] =~ /^(\d+)/) {
7826:7): my $timelimit = $1;
1.1172.2.66 raeburn 7827: my $first_access;
7828: if ($type eq 'resource') {
7829: $first_access=&get_first_access($interval[1],$item);
7830: } elsif ($type eq 'map') {
7831: $first_access=&get_first_access($interval[1],undef,$item);
7832: } else {
7833: $first_access=&get_first_access($interval[1]);
7834: }
7835: if ($first_access) {
1.1172.2.93.4 1(raebur 7836:7): my $timesup = $first_access+$timelimit;
1.1172.2.66 raeburn 7837: if ($timesup > $now) {
7838: my $activeblock;
7839: foreach my $res (@to_test) {
7840: if ($res->answerable()) {
7841: $activeblock = 1;
7842: last;
7843: }
7844: }
7845: if ($activeblock) {
7846: if (ref($commblocks{$block}{'blocks'}{'docs'}{'maps'}) eq 'HASH') {
7847: if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'maps'}})) {
7848: $blockers{$block}{'maps'} = $commblocks{$block}{'blocks'}{'docs'}{'maps'};
7849: }
7850: }
7851: if (ref($commblocks{$block}{'blocks'}{'docs'}{'resources'}) eq 'HASH') {
7852: if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'resources'}})) {
7853: $blockers{$block}{'resources'} = $commblocks{$block}{'blocks'}{'docs'}{'resources'};
1.1163 raeburn 7854: }
1.1162 raeburn 7855: }
7856: }
7857: }
7858: }
7859: }
7860: }
7861: }
7862: }
7863: }
1.1172.2.66 raeburn 7864: return %blockers;
1.1162 raeburn 7865: }
7866:
1.1172.2.66 raeburn 7867: sub has_comm_blocking {
7868: my ($priv,$symb,$uri,$blocks) = @_;
7869: my @blockers;
7870: return unless ($env{'request.course.id'});
7871: return unless ($priv eq 'bre');
7872: return if ($env{'user.priv.'.$env{'request.role'}} =~/evb\&([^\:]*)/);
7873: return if ($env{'request.state'} eq 'construct');
7874: &load_all_blockers($env{'user.name'},$env{'user.domain'},$blocks);
7875: return unless (keys(%cachedblockers) > 0);
7876: my (%possibles,@symbs);
7877: if (!$symb) {
7878: $symb = &symbread($uri,1,1,1,\%possibles);
1.1162 raeburn 7879: }
1.1172.2.66 raeburn 7880: if ($symb) {
7881: @symbs = ($symb);
7882: } elsif (keys(%possibles)) {
7883: @symbs = keys(%possibles);
7884: }
7885: my $noblock;
7886: foreach my $symb (@symbs) {
7887: last if ($noblock);
7888: my ($map,$resid,$resurl)=&decode_symb($symb);
7889: foreach my $block (keys(%cachedblockers)) {
7890: if ($block =~ /^firstaccess____(.+)$/) {
7891: my $item = $1;
7892: if (($item eq $map) || ($item eq $symb)) {
7893: $noblock = 1;
7894: last;
7895: }
1.1162 raeburn 7896: }
1.1172.2.66 raeburn 7897: if (ref($cachedblockers{$block}) eq 'HASH') {
7898: if (ref($cachedblockers{$block}{'resources'}) eq 'HASH') {
7899: if ($cachedblockers{$block}{'resources'}{$symb}) {
7900: unless (grep(/^\Q$block\E$/,@blockers)) {
7901: push(@blockers,$block);
7902: }
7903: }
7904: }
7905: }
7906: if (ref($cachedblockers{$block}{'maps'}) eq 'HASH') {
7907: if ($cachedblockers{$block}{'maps'}{$map}) {
7908: unless (grep(/^\Q$block\E$/,@blockers)) {
7909: push(@blockers,$block);
7910: }
7911: }
1.1162 raeburn 7912: }
7913: }
7914: }
1.1172.2.66 raeburn 7915: return if ($noblock);
7916: return @blockers;
7917: }
1.1162 raeburn 7918: }
7919:
1.1172.2.66 raeburn 7920: # -------------------------------- Deversion and split uri into path an filename
7921:
1.1133 foxr 7922: #
1.1172.2.66 raeburn 7923: # Removes the version from a URI and
1.1133 foxr 7924: # splits it in to its filename and path to the filename.
7925: # Seems like File::Basename could have done this more clearly.
7926: # Parameters:
7927: # $uri - input URI
7928: # Returns:
7929: # Two element list consisting of
7930: # $pathname - the URI up to and excluding the trailing /
7931: # $filename - The part of the URI following the last /
7932: # NOTE:
7933: # Another realization of this is simply:
7934: # use File::Basename;
7935: # ...
7936: # $uri = shift;
7937: # $filename = basename($uri);
7938: # $path = dirname($uri);
7939: # return ($filename, $path);
7940: #
7941: # The implementation below is probably faster however.
7942: #
1.710 albertel 7943: sub split_uri_for_cond {
7944: my $uri=&deversion(&declutter(shift));
7945: my @uriparts=split(/\//,$uri);
7946: my $filename=pop(@uriparts);
7947: my $pathname=join('/',@uriparts);
7948: return ($pathname,$filename);
7949: }
1.232 www 7950: # --------------------------------------------------- Is a resource on the map?
7951:
7952: sub is_on_map {
1.710 albertel 7953: my ($pathname,$filename) = &split_uri_for_cond(shift);
1.289 bowersj2 7954: #Trying to find the conditional for the file
1.620 albertel 7955: my $match=($env{'acc.res.'.$env{'request.course.id'}.'.'.$pathname}=~
1.289 bowersj2 7956: /\&\Q$filename\E\:([\d\|]+)\&/);
1.232 www 7957: if ($match) {
1.289 bowersj2 7958: return (1,$1);
7959: } else {
1.434 www 7960: return (0,0);
1.289 bowersj2 7961: }
1.12 www 7962: }
7963:
1.427 www 7964: # --------------------------------------------------------- Get symb from alias
7965:
7966: sub get_symb_from_alias {
7967: my $symb=shift;
7968: my ($map,$resid,$url)=&decode_symb($symb);
7969: # Already is a symb
7970: if ($url) { return $symb; }
7971: # Must be an alias
7972: my $aliassymb='';
7973: my %bighash;
1.620 albertel 7974: if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
1.427 www 7975: &GDBM_READER(),0640)) {
7976: my $rid=$bighash{'mapalias_'.$symb};
7977: if ($rid) {
7978: my ($mapid,$resid)=split(/\./,$rid);
1.429 albertel 7979: $aliassymb=&encode_symb($bighash{'map_id_'.$mapid},
7980: $resid,$bighash{'src_'.$rid});
1.427 www 7981: }
7982: untie %bighash;
7983: }
7984: return $aliassymb;
7985: }
7986:
1.12 www 7987: # ----------------------------------------------------------------- Define Role
7988:
7989: sub definerole {
7990: if (allowed('mcr','/')) {
1.1172.2.84 raeburn 7991: my ($rolename,$sysrole,$domrole,$courole,$uname,$udom)=@_;
1.800 albertel 7992: foreach my $role (split(':',$sysrole)) {
7993: my ($crole,$cqual)=split(/\&/,$role);
1.479 albertel 7994: if ($pr{'cr:s'}!~/\Q$crole\E/) { return "refused:s:$crole"; }
7995: if ($pr{'cr:s'}=~/\Q$crole\E\&/) {
7996: if ($pr{'cr:s'}!~/\Q$crole\E\&\w*\Q$cqual\E/) {
1.21 www 7997: return "refused:s:$crole&$cqual";
7998: }
7999: }
1.191 harris41 8000: }
1.800 albertel 8001: foreach my $role (split(':',$domrole)) {
8002: my ($crole,$cqual)=split(/\&/,$role);
1.479 albertel 8003: if ($pr{'cr:d'}!~/\Q$crole\E/) { return "refused:d:$crole"; }
8004: if ($pr{'cr:d'}=~/\Q$crole\E\&/) {
8005: if ($pr{'cr:d'}!~/\Q$crole\W\&\w*\Q$cqual\E/) {
1.21 www 8006: return "refused:d:$crole&$cqual";
8007: }
8008: }
1.191 harris41 8009: }
1.800 albertel 8010: foreach my $role (split(':',$courole)) {
8011: my ($crole,$cqual)=split(/\&/,$role);
1.479 albertel 8012: if ($pr{'cr:c'}!~/\Q$crole\E/) { return "refused:c:$crole"; }
8013: if ($pr{'cr:c'}=~/\Q$crole\E\&/) {
8014: if ($pr{'cr:c'}!~/\Q$crole\E\&\w*\Q$cqual\E/) {
1.21 www 8015: return "refused:c:$crole&$cqual";
8016: }
8017: }
1.191 harris41 8018: }
1.1172.2.84 raeburn 8019: my $uhome;
8020: if (($uname ne '') && ($udom ne '')) {
8021: $uhome = &homeserver($uname,$udom);
8022: return $uhome if ($uhome eq 'no_host');
8023: } else {
8024: $uname = $env{'user.name'};
8025: $udom = $env{'user.domain'};
8026: $uhome = $env{'user.home'};
8027: }
1.620 albertel 8028: my $command="encrypt:rolesput:$env{'user.domain'}:$env{'user.name'}:".
1.1172.2.84 raeburn 8029: "$udom:$uname:rolesdef_$rolename=".
1.21 www 8030: escape($sysrole.'_'.$domrole.'_'.$courole);
1.1172.2.84 raeburn 8031: return reply($command,$uhome);
1.12 www 8032: } else {
8033: return 'refused';
8034: }
1.105 harris41 8035: }
8036:
8037: # ---------------- Make a metadata query against the network of library servers
8038:
8039: sub metadata_query {
1.1172.2.33 raeburn 8040: my ($query,$custom,$customshow,$server_array,$domains_hash)=@_;
1.120 harris41 8041: my %rhash;
1.845 albertel 8042: my %libserv = &all_library();
1.244 matthew 8043: my @server_list = (defined($server_array) ? @$server_array
8044: : keys(%libserv) );
8045: for my $server (@server_list) {
1.1172.2.33 raeburn 8046: my $domains = '';
8047: if (ref($domains_hash) eq 'HASH') {
8048: $domains = $domains_hash->{$server};
8049: }
1.118 harris41 8050: unless ($custom or $customshow) {
1.1172.2.33 raeburn 8051: my $reply=&reply("querysend:".&escape($query).':::'.&escape($domains),$server);
1.118 harris41 8052: $rhash{$server}=$reply;
8053: }
8054: else {
8055: my $reply=&reply("querysend:".&escape($query).':'.
1.1172.2.33 raeburn 8056: &escape($custom).':'.&escape($customshow).':'.&escape($domains),
1.118 harris41 8057: $server);
8058: $rhash{$server}=$reply;
8059: }
1.112 harris41 8060: }
1.118 harris41 8061: return \%rhash;
1.240 www 8062: }
8063:
8064: # ----------------------------------------- Send log queries and wait for reply
8065:
8066: sub log_query {
8067: my ($uname,$udom,$query,%filters)=@_;
8068: my $uhome=&homeserver($uname,$udom);
8069: if ($uhome eq 'no_host') { return 'error: no_host'; }
1.838 albertel 8070: my $uhost=&hostname($uhome);
1.800 albertel 8071: my $command=&escape(join(':',map{$_.'='.$filters{$_}} keys(%filters)));
1.240 www 8072: my $queryid=&reply("querysend:".$query.':'.$udom.':'.$uname.':'.$command,
8073: $uhome);
1.479 albertel 8074: unless ($queryid=~/^\Q$uhost\E\_/) { return 'error: '.$queryid; }
1.242 www 8075: return get_query_reply($queryid);
8076: }
8077:
1.818 raeburn 8078: # -------------------------- Update MySQL table for portfolio file
8079:
8080: sub update_portfolio_table {
1.821 raeburn 8081: my ($uname,$udom,$file_name,$query,$group,$action) = @_;
1.970 raeburn 8082: if ($group ne '') {
8083: $file_name =~s /^\Q$group\E//;
8084: }
1.818 raeburn 8085: my $homeserver = &homeserver($uname,$udom);
8086: my $queryid=
1.821 raeburn 8087: &reply("querysend:".$query.':'.&escape($uname.':'.$udom.':'.$group).
8088: ':'.&escape($file_name).':'.$action,$homeserver);
1.818 raeburn 8089: my $reply = &get_query_reply($queryid);
8090: return $reply;
8091: }
8092:
1.899 raeburn 8093: # -------------------------- Update MySQL allusers table
8094:
8095: sub update_allusers_table {
8096: my ($uname,$udom,$names) = @_;
8097: my $homeserver = &homeserver($uname,$udom);
8098: my $queryid=
8099: &reply('querysend:allusers:'.&escape($uname).':'.&escape($udom).':'.
8100: 'lastname='.&escape($names->{'lastname'}).'%%'.
8101: 'firstname='.&escape($names->{'firstname'}).'%%'.
8102: 'middlename='.&escape($names->{'middlename'}).'%%'.
8103: 'generation='.&escape($names->{'generation'}).'%%'.
8104: 'permanentemail='.&escape($names->{'permanentemail'}).'%%'.
8105: 'id='.&escape($names->{'id'}),$homeserver);
1.1075 raeburn 8106: return;
1.899 raeburn 8107: }
8108:
1.508 raeburn 8109: # ------- Request retrieval of institutional classlists for course(s)
1.506 raeburn 8110:
8111: sub fetch_enrollment_query {
1.511 raeburn 8112: my ($context,$affiliatesref,$replyref,$dom,$cnum) = @_;
1.1172.2.79 raeburn 8113: my ($homeserver,$sleep,$loopmax);
1.547 raeburn 8114: my $maxtries = 1;
1.508 raeburn 8115: if ($context eq 'automated') {
8116: $homeserver = $perlvar{'lonHostID'};
1.1172.2.79 raeburn 8117: $sleep = 2;
8118: $loopmax = 100;
1.547 raeburn 8119: $maxtries = 10; # will wait for up to 2000s for retrieval of classlist data before timeout
1.508 raeburn 8120: } else {
8121: $homeserver = &homeserver($cnum,$dom);
8122: }
1.838 albertel 8123: my $host=&hostname($homeserver);
1.506 raeburn 8124: my $cmd = '';
1.1000 raeburn 8125: foreach my $affiliate (keys(%{$affiliatesref})) {
1.800 albertel 8126: $cmd .= $affiliate.'='.join(",",@{$$affiliatesref{$affiliate}}).'%%';
1.506 raeburn 8127: }
8128: $cmd =~ s/%%$//;
8129: $cmd = &escape($cmd);
8130: my $query = 'fetchenrollment';
1.620 albertel 8131: my $queryid=&reply("querysend:".$query.':'.$dom.':'.$env{'user.name'}.':'.$cmd,$homeserver);
1.526 raeburn 8132: unless ($queryid=~/^\Q$host\E\_/) {
8133: &logthis('fetch_enrollment_query: invalid queryid: '.$queryid.' for host: '.$host.' and homeserver: '.$homeserver.' context: '.$context.' '.$cnum);
8134: return 'error: '.$queryid;
8135: }
1.1172.2.93 raeburn 8136: my $reply = &get_query_reply($queryid,$sleep,$loopmax);
1.547 raeburn 8137: my $tries = 1;
8138: while (($reply=~/^timeout/) && ($tries < $maxtries)) {
1.1172.2.79 raeburn 8139: $reply = &get_query_reply($queryid,$sleep,$loopmax);
1.547 raeburn 8140: $tries ++;
8141: }
1.526 raeburn 8142: if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) {
1.620 albertel 8143: &logthis('fetch_enrollment_query error: '.$reply.' for '.$dom.' '.$env{'user.name'}.' for '.$queryid.' context: '.$context.' '.$cnum.' maxtries: '.$maxtries.' tries: '.$tries);
1.526 raeburn 8144: } else {
1.901 albertel 8145: my @responses = split(/:/,$reply);
1.1172.2.82 raeburn 8146: if (grep { $_ eq $homeserver } ¤t_machine_ids()) {
1.800 albertel 8147: foreach my $line (@responses) {
8148: my ($key,$value) = split(/=/,$line,2);
1.515 raeburn 8149: $$replyref{$key} = $value;
8150: }
8151: } else {
1.1117 foxr 8152: my $pathname = LONCAPA::tempdir();
1.800 albertel 8153: foreach my $line (@responses) {
8154: my ($key,$value) = split(/=/,$line);
1.506 raeburn 8155: $$replyref{$key} = $value;
8156: if ($value > 0) {
1.800 albertel 8157: foreach my $item (@{$$affiliatesref{$key}}) {
8158: my $filename = $dom.'_'.$key.'_'.$item.'_classlist.xml';
1.506 raeburn 8159: my $destname = $pathname.'/'.$filename;
8160: my $xml_classlist = &reply("autoretrieve:".$filename,$homeserver);
1.526 raeburn 8161: if ($xml_classlist =~ /^error/) {
8162: &logthis('fetch_enrollment_query - autoretrieve error: '.$xml_classlist.' for '.$filename.' from server: '.$homeserver.' '.$context.' '.$cnum);
8163: } else {
1.506 raeburn 8164: if ( open(FILE,">$destname") ) {
8165: print FILE &unescape($xml_classlist);
8166: close(FILE);
1.526 raeburn 8167: } else {
8168: &logthis('fetch_enrollment_query - error opening classlist file '.$destname.' '.$context.' '.$cnum);
1.506 raeburn 8169: }
8170: }
8171: }
8172: }
8173: }
8174: }
8175: return 'ok';
8176: }
8177: return 'error';
8178: }
8179:
1.242 www 8180: sub get_query_reply {
1.1172.2.79 raeburn 8181: my ($queryid,$sleep,$loopmax) = @_;
8182: if (($sleep eq '') || ($sleep !~ /^\d+\.?\d*$/)) {
8183: $sleep = 0.2;
8184: }
8185: if (($loopmax eq '') || ($loopmax =~ /\D/)) {
8186: $loopmax = 100;
8187: }
1.1117 foxr 8188: my $replyfile=LONCAPA::tempdir().$queryid;
1.240 www 8189: my $reply='';
1.1172.2.79 raeburn 8190: for (1..$loopmax) {
8191: sleep($sleep);
1.240 www 8192: if (-e $replyfile.'.end') {
1.448 albertel 8193: if (open(my $fh,$replyfile)) {
1.904 albertel 8194: $reply = join('',<$fh>);
8195: close($fh);
1.240 www 8196: } else { return 'error: reply_file_error'; }
1.242 www 8197: return &unescape($reply);
8198: }
1.240 www 8199: }
1.242 www 8200: return 'timeout:'.$queryid;
1.240 www 8201: }
8202:
8203: sub courselog_query {
1.241 www 8204: #
8205: # possible filters:
8206: # url: url or symb
8207: # username
8208: # domain
8209: # action: view, submit, grade
8210: # start: timestamp
8211: # end: timestamp
8212: #
1.240 www 8213: my (%filters)=@_;
1.620 albertel 8214: unless ($env{'request.course.id'}) { return 'no_course'; }
1.241 www 8215: if ($filters{'url'}) {
8216: $filters{'url'}=&symbclean(&declutter($filters{'url'}));
8217: $filters{'url'}=~s/\.(\w+)$/(\\.\\d+)*\\.$1/;
8218: $filters{'url'}=~s/\.(\w+)\_\_\_/(\\.\\d+)*\\.$1/;
8219: }
1.620 albertel 8220: my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
8221: my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.240 www 8222: return &log_query($cname,$cdom,'courselog',%filters);
8223: }
8224:
8225: sub userlog_query {
1.858 raeburn 8226: #
8227: # possible filters:
8228: # action: log check role
8229: # start: timestamp
8230: # end: timestamp
8231: #
1.240 www 8232: my ($uname,$udom,%filters)=@_;
8233: return &log_query($uname,$udom,'userlog',%filters);
1.12 www 8234: }
8235:
1.506 raeburn 8236: #--------- Call auto-enrollment subs in localenroll.pm for homeserver for course
8237:
8238: sub auto_run {
1.508 raeburn 8239: my ($cnum,$cdom) = @_;
1.876 raeburn 8240: my $response = 0;
8241: my $settings;
8242: my %domconfig = &get_dom('configuration',['autoenroll'],$cdom);
8243: if (ref($domconfig{'autoenroll'}) eq 'HASH') {
8244: $settings = $domconfig{'autoenroll'};
8245: if ($settings->{'run'} eq '1') {
8246: $response = 1;
8247: }
8248: } else {
1.934 raeburn 8249: my $homeserver;
8250: if (&is_course($cdom,$cnum)) {
8251: $homeserver = &homeserver($cnum,$cdom);
8252: } else {
8253: $homeserver = &domain($cdom,'primary');
8254: }
8255: if ($homeserver ne 'no_host') {
8256: $response = &reply('autorun:'.$cdom,$homeserver);
8257: }
1.876 raeburn 8258: }
1.506 raeburn 8259: return $response;
8260: }
1.776 albertel 8261:
1.506 raeburn 8262: sub auto_get_sections {
1.508 raeburn 8263: my ($cnum,$cdom,$inst_coursecode) = @_;
1.1007 raeburn 8264: my $homeserver;
8265: if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) {
8266: $homeserver = &homeserver($cnum,$cdom);
8267: }
8268: if (!defined($homeserver)) {
8269: if ($cdom =~ /^$match_domain$/) {
8270: $homeserver = &domain($cdom,'primary');
8271: }
8272: }
8273: my @secs;
8274: if (defined($homeserver)) {
8275: my $response=&unescape(&reply('autogetsections:'.$inst_coursecode.':'.$cdom,$homeserver));
8276: unless ($response eq 'refused') {
8277: @secs = split(/:/,$response);
8278: }
1.506 raeburn 8279: }
8280: return @secs;
8281: }
1.776 albertel 8282:
1.506 raeburn 8283: sub auto_new_course {
1.1099 raeburn 8284: my ($cnum,$cdom,$inst_course_id,$owner,$coowners) = @_;
1.508 raeburn 8285: my $homeserver = &homeserver($cnum,$cdom);
1.1099 raeburn 8286: my $response=&unescape(&reply('autonewcourse:'.$inst_course_id.':'.&escape($owner).':'.$cdom.':'.&escape($coowners),$homeserver));
1.506 raeburn 8287: return $response;
8288: }
1.776 albertel 8289:
1.506 raeburn 8290: sub auto_validate_courseID {
1.508 raeburn 8291: my ($cnum,$cdom,$inst_course_id) = @_;
8292: my $homeserver = &homeserver($cnum,$cdom);
1.511 raeburn 8293: my $response=&unescape(&reply('autovalidatecourse:'.$inst_course_id.':'.$cdom,$homeserver));
1.506 raeburn 8294: return $response;
8295: }
1.776 albertel 8296:
1.1007 raeburn 8297: sub auto_validate_instcode {
1.1020 raeburn 8298: my ($cnum,$cdom,$instcode,$owner) = @_;
1.1007 raeburn 8299: my ($homeserver,$response);
8300: if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) {
8301: $homeserver = &homeserver($cnum,$cdom);
8302: }
8303: if (!defined($homeserver)) {
8304: if ($cdom =~ /^$match_domain$/) {
8305: $homeserver = &domain($cdom,'primary');
8306: }
8307: }
1.1065 raeburn 8308: $response=&unescape(&reply('autovalidateinstcode:'.$cdom.':'.
8309: &escape($instcode).':'.&escape($owner),$homeserver));
1.1172.2.19 raeburn 8310: my ($outcome,$description,$defaultcredits) = map { &unescape($_); } split('&',$response,3);
8311: return ($outcome,$description,$defaultcredits);
1.1007 raeburn 8312: }
8313:
1.506 raeburn 8314: sub auto_create_password {
1.873 raeburn 8315: my ($cnum,$cdom,$authparam,$udom) = @_;
8316: my ($homeserver,$response);
1.506 raeburn 8317: my $create_passwd = 0;
8318: my $authchk = '';
1.873 raeburn 8319: if ($udom =~ /^$match_domain$/) {
8320: $homeserver = &domain($udom,'primary');
8321: }
8322: if ($homeserver eq '') {
8323: if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) {
8324: $homeserver = &homeserver($cnum,$cdom);
8325: }
8326: }
8327: if ($homeserver eq '') {
8328: $authchk = 'nodomain';
1.506 raeburn 8329: } else {
1.873 raeburn 8330: $response=&unescape(&reply('autocreatepassword:'.$authparam.':'.$cdom,$homeserver));
8331: if ($response eq 'refused') {
8332: $authchk = 'refused';
8333: } else {
1.901 albertel 8334: ($authparam,$create_passwd,$authchk) = split(/:/,$response);
1.873 raeburn 8335: }
1.506 raeburn 8336: }
8337: return ($authparam,$create_passwd,$authchk);
8338: }
8339:
1.706 raeburn 8340: sub auto_photo_permission {
8341: my ($cnum,$cdom,$students) = @_;
8342: my $homeserver = &homeserver($cnum,$cdom);
1.707 albertel 8343: my ($outcome,$perm_reqd,$conditions) =
8344: split(/:/,&unescape(&reply('autophotopermission:'.$cdom,$homeserver)),3);
1.709 albertel 8345: if ($outcome =~ /^(con_lost|unknown_cmd|no_such_host)$/) {
8346: return (undef,undef);
8347: }
1.706 raeburn 8348: return ($outcome,$perm_reqd,$conditions);
8349: }
8350:
8351: sub auto_checkphotos {
8352: my ($uname,$udom,$pid) = @_;
8353: my $homeserver = &homeserver($uname,$udom);
8354: my ($result,$resulttype);
8355: my $outcome = &unescape(&reply('autophotocheck:'.&escape($udom).':'.
1.707 albertel 8356: &escape($uname).':'.&escape($pid),
8357: $homeserver));
1.709 albertel 8358: if ($outcome =~ /^(con_lost|unknown_cmd|no_such_host)$/) {
8359: return (undef,undef);
8360: }
1.706 raeburn 8361: if ($outcome) {
8362: ($result,$resulttype) = split(/:/,$outcome);
8363: }
8364: return ($result,$resulttype);
8365: }
8366:
8367: sub auto_photochoice {
8368: my ($cnum,$cdom) = @_;
8369: my $homeserver = &homeserver($cnum,$cdom);
8370: my ($update,$comment) = split(/:/,&unescape(&reply('autophotochoice:'.
1.707 albertel 8371: &escape($cdom),
8372: $homeserver)));
1.709 albertel 8373: if ($update =~ /^(con_lost|unknown_cmd|no_such_host)$/) {
8374: return (undef,undef);
8375: }
1.706 raeburn 8376: return ($update,$comment);
8377: }
8378:
8379: sub auto_photoupdate {
8380: my ($affiliatesref,$dom,$cnum,$photo) = @_;
8381: my $homeserver = &homeserver($cnum,$dom);
1.838 albertel 8382: my $host=&hostname($homeserver);
1.706 raeburn 8383: my $cmd = '';
8384: my $maxtries = 1;
1.800 albertel 8385: foreach my $affiliate (keys(%{$affiliatesref})) {
8386: $cmd .= $affiliate.'='.join(",",@{$$affiliatesref{$affiliate}}).'%%';
1.706 raeburn 8387: }
8388: $cmd =~ s/%%$//;
8389: $cmd = &escape($cmd);
8390: my $query = 'institutionalphotos';
8391: my $queryid=&reply("querysend:".$query.':'.$dom.':'.$cnum.':'.$cmd,$homeserver);
8392: unless ($queryid=~/^\Q$host\E\_/) {
8393: &logthis('institutionalphotos: invalid queryid: '.$queryid.' for host: '.$host.' and homeserver: '.$homeserver.' and course: '.$cnum);
8394: return 'error: '.$queryid;
8395: }
8396: my $reply = &get_query_reply($queryid);
8397: my $tries = 1;
8398: while (($reply=~/^timeout/) && ($tries < $maxtries)) {
8399: $reply = &get_query_reply($queryid);
8400: $tries ++;
8401: }
8402: if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) {
8403: &logthis('institutionalphotos error: '.$reply.' for '.$dom.' '.$env{'user.name'}.' for '.$queryid.' course: '.$cnum.' maxtries: '.$maxtries.' tries: '.$tries);
8404: } else {
8405: my @responses = split(/:/,$reply);
8406: my $outcome = shift(@responses);
8407: foreach my $item (@responses) {
8408: my ($key,$value) = split(/=/,$item);
8409: $$photo{$key} = $value;
8410: }
8411: return $outcome;
8412: }
8413: return 'error';
8414: }
8415:
1.521 raeburn 8416: sub auto_instcode_format {
1.793 albertel 8417: my ($caller,$codedom,$instcodes,$codes,$codetitles,$cat_titles,
8418: $cat_order) = @_;
1.521 raeburn 8419: my $courses = '';
1.772 raeburn 8420: my @homeservers;
1.521 raeburn 8421: if ($caller eq 'global') {
1.841 albertel 8422: my %servers = &get_servers($codedom,'library');
8423: foreach my $tryserver (keys(%servers)) {
8424: if (!grep(/^\Q$tryserver\E$/,@homeservers)) {
8425: push(@homeservers,$tryserver);
8426: }
1.584 raeburn 8427: }
1.1022 raeburn 8428: } elsif ($caller eq 'requests') {
8429: if ($codedom =~ /^$match_domain$/) {
8430: my $chome = &domain($codedom,'primary');
8431: unless ($chome eq 'no_host') {
8432: push(@homeservers,$chome);
8433: }
8434: }
1.521 raeburn 8435: } else {
1.772 raeburn 8436: push(@homeservers,&homeserver($caller,$codedom));
1.521 raeburn 8437: }
1.793 albertel 8438: foreach my $code (keys(%{$instcodes})) {
8439: $courses .= &escape($code).'='.&escape($$instcodes{$code}).'&';
1.521 raeburn 8440: }
8441: chop($courses);
1.772 raeburn 8442: my $ok_response = 0;
8443: my $response;
8444: while (@homeservers > 0 && $ok_response == 0) {
8445: my $server = shift(@homeservers);
8446: $response=&reply('autoinstcodeformat:'.$codedom.':'.$courses,$server);
8447: if ($response !~ /(con_lost|error|no_such_host|refused)/) {
8448: my ($codes_str,$codetitles_str,$cat_titles_str,$cat_order_str) =
1.901 albertel 8449: split(/:/,$response);
1.772 raeburn 8450: %{$codes} = (%{$codes},&str2hash($codes_str));
8451: push(@{$codetitles},&str2array($codetitles_str));
8452: %{$cat_titles} = (%{$cat_titles},&str2hash($cat_titles_str));
8453: %{$cat_order} = (%{$cat_order},&str2hash($cat_order_str));
8454: $ok_response = 1;
8455: }
8456: }
8457: if ($ok_response) {
1.521 raeburn 8458: return 'ok';
1.772 raeburn 8459: } else {
8460: return $response;
1.521 raeburn 8461: }
8462: }
8463:
1.792 raeburn 8464: sub auto_instcode_defaults {
8465: my ($domain,$returnhash,$code_order) = @_;
8466: my @homeservers;
1.841 albertel 8467:
8468: my %servers = &get_servers($domain,'library');
8469: foreach my $tryserver (keys(%servers)) {
8470: if (!grep(/^\Q$tryserver\E$/,@homeservers)) {
8471: push(@homeservers,$tryserver);
8472: }
1.792 raeburn 8473: }
1.841 albertel 8474:
1.792 raeburn 8475: my $response;
1.841 albertel 8476: foreach my $server (@homeservers) {
1.792 raeburn 8477: $response=&reply('autoinstcodedefaults:'.$domain,$server);
1.841 albertel 8478: next if ($response =~ /(con_lost|error|no_such_host|refused)/);
8479:
8480: foreach my $pair (split(/\&/,$response)) {
8481: my ($name,$value)=split(/\=/,$pair);
8482: if ($name eq 'code_order') {
8483: @{$code_order} = split(/\&/,&unescape($value));
8484: } else {
8485: $returnhash->{&unescape($name)}=&unescape($value);
8486: }
8487: }
8488: return 'ok';
1.792 raeburn 8489: }
1.841 albertel 8490:
8491: return $response;
1.1003 raeburn 8492: }
8493:
8494: sub auto_possible_instcodes {
1.1007 raeburn 8495: my ($domain,$codetitles,$cat_titles,$cat_orders,$code_order) = @_;
8496: unless ((ref($codetitles) eq 'ARRAY') && (ref($cat_titles) eq 'HASH') &&
8497: (ref($cat_orders) eq 'HASH') && (ref($code_order) eq 'ARRAY')) {
8498: return;
8499: }
1.1003 raeburn 8500: my (@homeservers,$uhome);
8501: if (defined(&domain($domain,'primary'))) {
8502: $uhome=&domain($domain,'primary');
8503: push(@homeservers,&domain($domain,'primary'));
8504: } else {
8505: my %servers = &get_servers($domain,'library');
8506: foreach my $tryserver (keys(%servers)) {
8507: if (!grep(/^\Q$tryserver\E$/,@homeservers)) {
8508: push(@homeservers,$tryserver);
8509: }
8510: }
8511: }
8512: my $response;
8513: foreach my $server (@homeservers) {
8514: $response=&reply('autopossibleinstcodes:'.$domain,$server);
8515: next if ($response =~ /(con_lost|error|no_such_host|refused)/);
1.1007 raeburn 8516: my ($codetitlestr,$codeorderstr,$cat_title,$cat_order) =
8517: split(':',$response);
8518: @{$codetitles} = map { &unescape($_); } (split('&',$codetitlestr));
8519: @{$code_order} = map { &unescape($_); } (split('&',$codeorderstr));
1.1003 raeburn 8520: foreach my $item (split('&',$cat_title)) {
1.1005 raeburn 8521: my ($name,$value)=split('=',$item);
8522: $cat_titles->{&unescape($name)}=&thaw_unescape($value);
1.1003 raeburn 8523: }
8524: foreach my $item (split('&',$cat_order)) {
1.1005 raeburn 8525: my ($name,$value)=split('=',$item);
8526: $cat_orders->{&unescape($name)}=&thaw_unescape($value);
1.1003 raeburn 8527: }
8528: return 'ok';
8529: }
8530: return $response;
8531: }
1.792 raeburn 8532:
1.1010 raeburn 8533: sub auto_courserequest_checks {
8534: my ($dom) = @_;
1.1020 raeburn 8535: my ($homeserver,%validations);
8536: if ($dom =~ /^$match_domain$/) {
8537: $homeserver = &domain($dom,'primary');
8538: }
8539: unless ($homeserver eq 'no_host') {
8540: my $response=&reply('autocrsreqchecks:'.$dom,$homeserver);
8541: unless ($response =~ /(con_lost|error|no_such_host|refused)/) {
8542: my @items = split(/&/,$response);
8543: foreach my $item (@items) {
8544: my ($key,$value) = split('=',$item);
8545: $validations{&unescape($key)} = &thaw_unescape($value);
8546: }
8547: }
8548: }
1.1010 raeburn 8549: return %validations;
8550: }
8551:
1.1020 raeburn 8552: sub auto_courserequest_validation {
1.1172.2.43 raeburn 8553: my ($dom,$owner,$crstype,$inststatuslist,$instcode,$instseclist,$custominfo) = @_;
1.1020 raeburn 8554: my ($homeserver,$response);
8555: if ($dom =~ /^$match_domain$/) {
8556: $homeserver = &domain($dom,'primary');
8557: }
1.1172.2.43 raeburn 8558: unless ($homeserver eq 'no_host') {
8559: my $customdata;
8560: if (ref($custominfo) eq 'HASH') {
8561: $customdata = &freeze_escape($custominfo);
8562: }
1.1020 raeburn 8563: $response=&unescape(&reply('autocrsreqvalidation:'.$dom.':'.&escape($owner).
1.1021 raeburn 8564: ':'.&escape($crstype).':'.&escape($inststatuslist).
1.1172.2.43 raeburn 8565: ':'.&escape($instcode).':'.&escape($instseclist).':'.
8566: $customdata,$homeserver));
1.1020 raeburn 8567: }
8568: return $response;
8569: }
8570:
1.777 albertel 8571: sub auto_validate_class_sec {
1.918 raeburn 8572: my ($cdom,$cnum,$owners,$inst_class) = @_;
1.773 raeburn 8573: my $homeserver = &homeserver($cnum,$cdom);
1.918 raeburn 8574: my $ownerlist;
8575: if (ref($owners) eq 'ARRAY') {
8576: $ownerlist = join(',',@{$owners});
8577: } else {
8578: $ownerlist = $owners;
8579: }
1.773 raeburn 8580: my $response=&reply('autovalidateclass_sec:'.$inst_class.':'.
1.918 raeburn 8581: &escape($ownerlist).':'.$cdom,$homeserver);
1.773 raeburn 8582: return $response;
8583: }
8584:
1.1172.2.38 raeburn 8585: sub auto_crsreq_update {
8586: my ($cdom,$cnum,$crstype,$action,$ownername,$ownerdomain,$fullname,$title,
1.1172.2.45 raeburn 8587: $code,$accessstart,$accessend,$inbound) = @_;
1.1172.2.38 raeburn 8588: my ($homeserver,%crsreqresponse);
8589: if ($cdom =~ /^$match_domain$/) {
8590: $homeserver = &domain($cdom,'primary');
8591: }
8592: unless (($homeserver eq 'no_host') || ($homeserver eq '')) {
8593: my $info;
8594: if (ref($inbound) eq 'HASH') {
8595: $info = &freeze_escape($inbound);
8596: }
8597: my $response=&reply('autocrsrequpdate:'.$cdom.':'.$cnum.':'.&escape($crstype).
8598: ':'.&escape($action).':'.&escape($ownername).':'.
8599: &escape($ownerdomain).':'.&escape($fullname).':'.
1.1172.2.45 raeburn 8600: &escape($title).':'.&escape($code).':'.
8601: &escape($accessstart).':'.&escape($accessend).':'.$info,$homeserver);
1.1172.2.38 raeburn 8602: unless ($response =~ /(con_lost|error|no_such_host|refused)/) {
8603: my @items = split(/&/,$response);
8604: foreach my $item (@items) {
8605: my ($key,$value) = split('=',$item);
8606: $crsreqresponse{&unescape($key)} = &thaw_unescape($value);
8607: }
8608: }
8609: }
8610: return \%crsreqresponse;
8611: }
8612:
1.1172.2.78 raeburn 8613: sub auto_export_grades {
8614: my ($cdom,$cnum,$inforef,$gradesref) = @_;
8615: my ($homeserver,%exportresponse);
8616: if ($cdom =~ /^$match_domain$/) {
8617: $homeserver = &domain($cdom,'primary');
8618: }
8619: unless (($homeserver eq 'no_host') || ($homeserver eq '')) {
8620: my $info;
8621: if (ref($inforef) eq 'HASH') {
8622: $info = &freeze_escape($inforef);
8623: }
8624: if (ref($gradesref) eq 'HASH') {
8625: my $grades = &freeze_escape($gradesref);
8626: my $response=&reply('encrypt:autoexportgrades:'.$cdom.':'.$cnum.':'.
8627: $info.':'.$grades,$homeserver);
8628: unless ($response =~ /(con_lost|error|no_such_host|refused|unknown_command)/) {
8629: my @items = split(/&/,$response);
8630: foreach my $item (@items) {
8631: my ($key,$value) = split('=',$item);
8632: $exportresponse{&unescape($key)} = &thaw_unescape($value);
8633: }
8634: }
8635: }
8636: }
8637: return \%exportresponse;
8638: }
8639:
1.1172.2.68 raeburn 8640: sub check_instcode_cloning {
8641: my ($codedefaults,$code_order,$cloner,$clonefromcode,$clonetocode) = @_;
8642: unless ((ref($codedefaults) eq 'HASH') && (ref($code_order) eq 'ARRAY')) {
8643: return;
8644: }
8645: my $canclone;
8646: if (@{$code_order} > 0) {
8647: my $instcoderegexp ='^';
8648: my @clonecodes = split(/\&/,$cloner);
8649: foreach my $item (@{$code_order}) {
8650: if (grep(/^\Q$item\E=/,@clonecodes)) {
8651: foreach my $pair (@clonecodes) {
8652: my ($key,$val) = split(/\=/,$pair,2);
8653: $val = &unescape($val);
8654: if ($key eq $item) {
8655: $instcoderegexp .= '('.$val.')';
8656: last;
8657: }
8658: }
8659: } else {
8660: $instcoderegexp .= $codedefaults->{$item};
8661: }
8662: }
8663: $instcoderegexp .= '$';
8664: my (@from,@to);
8665: eval {
8666: (@from) = ($clonefromcode =~ /$instcoderegexp/);
8667: (@to) = ($clonetocode =~ /$instcoderegexp/);
8668: };
8669: if ((@from > 0) && (@to > 0)) {
8670: my @diffs = &Apache::loncommon::compare_arrays(\@from,\@to);
8671: if (!@diffs) {
8672: $canclone = 1;
8673: }
8674: }
8675: }
8676: return $canclone;
8677: }
8678:
8679: sub default_instcode_cloning {
8680: my ($clonedom,$domdefclone,$clonefromcode,$clonetocode,$codedefaultsref,$codeorderref) = @_;
8681: my (%codedefaults,@code_order,$canclone);
8682: if ((ref($codedefaultsref) eq 'HASH') && (ref($codeorderref) eq 'ARRAY')) {
8683: %codedefaults = %{$codedefaultsref};
8684: @code_order = @{$codeorderref};
8685: } elsif ($clonedom) {
8686: &auto_instcode_defaults($clonedom,\%codedefaults,\@code_order);
8687: }
8688: if (($domdefclone) && (@code_order)) {
8689: my @clonecodes = split(/\+/,$domdefclone);
8690: my $instcoderegexp ='^';
8691: foreach my $item (@code_order) {
8692: if (grep(/^\Q$item\E$/,@clonecodes)) {
8693: $instcoderegexp .= '('.$codedefaults{$item}.')';
8694: } else {
8695: $instcoderegexp .= $codedefaults{$item};
8696: }
8697: }
8698: $instcoderegexp .= '$';
8699: my (@from,@to);
8700: eval {
8701: (@from) = ($clonefromcode =~ /$instcoderegexp/);
8702: (@to) = ($clonetocode =~ /$instcoderegexp/);
8703: };
8704: if ((@from > 0) && (@to > 0)) {
8705: my @diffs = &Apache::loncommon::compare_arrays(\@from,\@to);
8706: if (!@diffs) {
8707: $canclone = 1;
8708: }
8709: }
8710: }
8711: return $canclone;
8712: }
8713:
1.679 raeburn 8714: # ------------------------------------------------------- Course Group routines
8715:
8716: sub get_coursegroups {
1.809 raeburn 8717: my ($cdom,$cnum,$group,$namespace) = @_;
8718: return(&dump($namespace,$cdom,$cnum,$group));
1.805 raeburn 8719: }
8720:
1.679 raeburn 8721: sub modify_coursegroup {
8722: my ($cdom,$cnum,$groupsettings) = @_;
8723: return(&put('coursegroups',$groupsettings,$cdom,$cnum));
8724: }
8725:
1.809 raeburn 8726: sub toggle_coursegroup_status {
8727: my ($cdom,$cnum,$group,$action) = @_;
8728: my ($from_namespace,$to_namespace);
8729: if ($action eq 'delete') {
8730: $from_namespace = 'coursegroups';
8731: $to_namespace = 'deleted_groups';
8732: } else {
8733: $from_namespace = 'deleted_groups';
8734: $to_namespace = 'coursegroups';
8735: }
8736: my %curr_group = &get_coursegroups($cdom,$cnum,$group,$from_namespace);
1.805 raeburn 8737: if (my $tmp = &error(%curr_group)) {
8738: &Apache::lonnet::logthis('Error retrieving group: '.$tmp.' in '.$cnum.':'.$cdom);
8739: return ('read error',$tmp);
8740: } else {
8741: my %savedsettings = %curr_group;
1.809 raeburn 8742: my $result = &put($to_namespace,\%savedsettings,$cdom,$cnum);
1.805 raeburn 8743: my $deloutcome;
8744: if ($result eq 'ok') {
1.809 raeburn 8745: $deloutcome = &del($from_namespace,[$group],$cdom,$cnum);
1.805 raeburn 8746: } else {
8747: return ('write error',$result);
8748: }
8749: if ($deloutcome eq 'ok') {
8750: return 'ok';
8751: } else {
8752: return ('delete error',$deloutcome);
8753: }
8754: }
8755: }
8756:
1.679 raeburn 8757: sub modify_group_roles {
1.957 raeburn 8758: my ($cdom,$cnum,$group_id,$user,$end,$start,$userprivs,$selfenroll,$context) = @_;
1.679 raeburn 8759: my $url = '/'.$cdom.'/'.$cnum.'/'.$group_id;
8760: my $role = 'gr/'.&escape($userprivs);
8761: my ($uname,$udom) = split(/:/,$user);
1.957 raeburn 8762: my $result = &assignrole($udom,$uname,$url,$role,$end,$start,'',$selfenroll,$context);
1.684 raeburn 8763: if ($result eq 'ok') {
8764: &devalidate_getgroups_cache($udom,$uname,$cdom,$cnum);
8765: }
1.679 raeburn 8766: return $result;
8767: }
8768:
8769: sub modify_coursegroup_membership {
8770: my ($cdom,$cnum,$membership) = @_;
8771: my $result = &put('groupmembership',$membership,$cdom,$cnum);
8772: return $result;
8773: }
8774:
1.682 raeburn 8775: sub get_active_groups {
8776: my ($udom,$uname,$cdom,$cnum) = @_;
8777: my $now = time;
8778: my %groups = ();
8779: foreach my $key (keys(%env)) {
1.811 albertel 8780: if ($key =~ m-user\.role\.gr\./($match_domain)/($match_courseid)/(\w+)$-) {
1.682 raeburn 8781: my ($start,$end) = split(/\./,$env{$key});
8782: if (($end!=0) && ($end<$now)) { next; }
8783: if (($start!=0) && ($start>$now)) { next; }
8784: if ($1 eq $cdom && $2 eq $cnum) {
8785: $groups{$3} = $env{$key} ;
8786: }
8787: }
8788: }
8789: return %groups;
8790: }
8791:
1.683 raeburn 8792: sub get_group_membership {
8793: my ($cdom,$cnum,$group) = @_;
8794: return(&dump('groupmembership',$cdom,$cnum,$group));
8795: }
8796:
8797: sub get_users_groups {
8798: my ($udom,$uname,$courseid) = @_;
1.733 raeburn 8799: my @usersgroups;
1.683 raeburn 8800: my $cachetime=1800;
8801:
8802: my $hashid="$udom:$uname:$courseid";
1.733 raeburn 8803: my ($grouplist,$cached)=&is_cached_new('getgroups',$hashid);
8804: if (defined($cached)) {
1.734 albertel 8805: @usersgroups = split(/:/,$grouplist);
1.733 raeburn 8806: } else {
8807: $grouplist = '';
1.816 raeburn 8808: my $courseurl = &courseid_to_courseurl($courseid);
1.1166 raeburn 8809: my %roleshash = &dump('roles',$udom,$uname,$courseurl);
1.817 raeburn 8810: my $access_end = $env{'course.'.$courseid.
8811: '.default_enrollment_end_date'};
8812: my $now = time;
8813: foreach my $key (keys(%roleshash)) {
8814: if ($key =~ /^\Q$courseurl\E\/(\w+)\_gr$/) {
8815: my $group = $1;
8816: if ($roleshash{$key} =~ /_(\d+)_(\d+)$/) {
8817: my $start = $2;
8818: my $end = $1;
8819: if ($start == -1) { next; } # deleted from group
8820: if (($start!=0) && ($start>$now)) { next; }
8821: if (($end!=0) && ($end<$now)) {
8822: if ($access_end && $access_end < $now) {
8823: if ($access_end - $end < 86400) {
8824: push(@usersgroups,$group);
1.733 raeburn 8825: }
8826: }
1.817 raeburn 8827: next;
1.733 raeburn 8828: }
1.817 raeburn 8829: push(@usersgroups,$group);
1.683 raeburn 8830: }
8831: }
8832: }
1.817 raeburn 8833: @usersgroups = &sort_course_groups($courseid,@usersgroups);
8834: $grouplist = join(':',@usersgroups);
8835: &do_cache_new('getgroups',$hashid,$grouplist,$cachetime);
1.683 raeburn 8836: }
1.733 raeburn 8837: return @usersgroups;
1.683 raeburn 8838: }
8839:
8840: sub devalidate_getgroups_cache {
8841: my ($udom,$uname,$cdom,$cnum)=@_;
8842: my $courseid = $cdom.'_'.$cnum;
1.807 albertel 8843:
1.683 raeburn 8844: my $hashid="$udom:$uname:$courseid";
8845: &devalidate_cache_new('getgroups',$hashid);
8846: }
8847:
1.12 www 8848: # ------------------------------------------------------------------ Plain Text
8849:
8850: sub plaintext {
1.988 raeburn 8851: my ($short,$type,$cid,$forcedefault) = @_;
1.1046 raeburn 8852: if ($short =~ m{^cr/}) {
1.758 albertel 8853: return (split('/',$short))[-1];
8854: }
1.742 raeburn 8855: if (!defined($cid)) {
8856: $cid = $env{'request.course.id'};
8857: }
8858: my %rolenames = (
1.1008 raeburn 8859: Course => 'std',
8860: Community => 'alt1',
1.742 raeburn 8861: );
1.1037 raeburn 8862: if ($cid ne '') {
8863: if ($env{'course.'.$cid.'.'.$short.'.plaintext'} ne '') {
8864: unless ($forcedefault) {
8865: my $roletext = $env{'course.'.$cid.'.'.$short.'.plaintext'};
8866: &Apache::lonlocal::mt_escape(\$roletext);
8867: return &Apache::lonlocal::mt($roletext);
8868: }
8869: }
8870: }
8871: if ((defined($type)) && (defined($rolenames{$type})) &&
8872: (defined($rolenames{$type})) &&
8873: (defined($prp{$short}{$rolenames{$type}}))) {
1.742 raeburn 8874: return &Apache::lonlocal::mt($prp{$short}{$rolenames{$type}});
1.1037 raeburn 8875: } elsif ($cid ne '') {
8876: my $crstype = $env{'course.'.$cid.'.type'};
8877: if (($crstype ne '') && (defined($rolenames{$crstype})) &&
8878: (defined($prp{$short}{$rolenames{$crstype}}))) {
8879: return &Apache::lonlocal::mt($prp{$short}{$rolenames{$crstype}});
8880: }
1.742 raeburn 8881: }
1.1037 raeburn 8882: return &Apache::lonlocal::mt($prp{$short}{'std'});
1.12 www 8883: }
8884:
8885: # ----------------------------------------------------------------- Assign Role
8886:
8887: sub assignrole {
1.957 raeburn 8888: my ($udom,$uname,$url,$role,$end,$start,$deleteflag,$selfenroll,
8889: $context)=@_;
1.21 www 8890: my $mrole;
8891: if ($role =~ /^cr\//) {
1.393 www 8892: my $cwosec=$url;
1.811 albertel 8893: $cwosec=~s/^\/($match_domain)\/($match_courseid)\/.*/$1\/$2/;
1.393 www 8894: unless (&allowed('ccr',$cwosec)) {
1.1026 raeburn 8895: my $refused = 1;
8896: if ($context eq 'requestcourses') {
8897: if (($env{'user.name'} ne '') && ($env{'user.domain'} ne '')) {
8898: if ($role =~ m{^cr/($match_domain)/($match_username)/([^/]+)$}) {
8899: if (($1 eq $env{'user.domain'}) && ($2 eq $env{'user.name'})) {
8900: my ($cdom,$cnum) = ($cwosec =~ m{^/?($match_domain)/($match_courseid)$});
8901: my %crsenv = &userenvironment($cdom,$cnum,('internal.courseowner'));
8902: if ($crsenv{'internal.courseowner'} eq
8903: $env{'user.name'}.':'.$env{'user.domain'}) {
8904: $refused = '';
8905: }
8906: }
8907: }
8908: }
8909: }
8910: if ($refused) {
8911: &logthis('Refused custom assignrole: '.
8912: $udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start.
8913: ' by '.$env{'user.name'}.' at '.$env{'user.domain'});
8914: return 'refused';
8915: }
1.104 www 8916: }
1.21 www 8917: $mrole='cr';
1.678 raeburn 8918: } elsif ($role =~ /^gr\//) {
8919: my $cwogrp=$url;
1.811 albertel 8920: $cwogrp=~s{^/($match_domain)/($match_courseid)/.*}{$1/$2};
1.678 raeburn 8921: unless (&allowed('mdg',$cwogrp)) {
8922: &logthis('Refused group assignrole: '.
8923: $udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start.' by '.
8924: $env{'user.name'}.' at '.$env{'user.domain'});
8925: return 'refused';
8926: }
8927: $mrole='gr';
1.21 www 8928: } else {
1.82 www 8929: my $cwosec=$url;
1.811 albertel 8930: $cwosec=~s/^\/($match_domain)\/($match_courseid)\/.*/$1\/$2/;
1.932 raeburn 8931: if (!(&allowed('c'.$role,$cwosec)) && !(&allowed('c'.$role,$udom))) {
8932: my $refused;
8933: if (($env{'request.course.sec'} ne '') && ($role eq 'st')) {
8934: if (!(&allowed('c'.$role,$url))) {
8935: $refused = 1;
8936: }
8937: } else {
8938: $refused = 1;
8939: }
1.947 raeburn 8940: if ($refused) {
1.1045 raeburn 8941: my ($cdom,$cnum) = ($cwosec =~ m{^/?($match_domain)/($match_courseid)$});
8942: if (!$selfenroll && $context eq 'course') {
8943: my %crsenv;
8944: if ($role eq 'cc' || $role eq 'co') {
8945: %crsenv = &userenvironment($cdom,$cnum,('internal.courseowner'));
8946: if (($role eq 'cc') && ($cnum !~ /^$match_community$/)) {
8947: if ($env{'request.role'} eq 'cc./'.$cdom.'/'.$cnum) {
8948: if ($crsenv{'internal.courseowner'} eq
8949: $env{'user.name'}.':'.$env{'user.domain'}) {
8950: $refused = '';
8951: }
8952: }
8953: } elsif (($role eq 'co') && ($cnum =~ /^$match_community$/)) {
8954: if ($env{'request.role'} eq 'co./'.$cdom.'/'.$cnum) {
8955: if ($crsenv{'internal.courseowner'} eq
8956: $env{'user.name'}.':'.$env{'user.domain'}) {
8957: $refused = '';
8958: }
8959: }
8960: }
8961: }
8962: } elsif (($selfenroll == 1) && ($role eq 'st') && ($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) {
1.947 raeburn 8963: $refused = '';
1.1017 raeburn 8964: } elsif ($context eq 'requestcourses') {
1.1041 raeburn 8965: my @possroles = ('st','ta','ep','in','cc','co');
1.1026 raeburn 8966: if ((grep(/^\Q$role\E$/,@possroles)) && ($env{'user.name'} ne '' && $env{'user.domain'} ne '')) {
1.1041 raeburn 8967: my $wrongcc;
8968: if ($cnum =~ /^$match_community$/) {
8969: $wrongcc = 1 if ($role eq 'cc');
8970: } else {
8971: $wrongcc = 1 if ($role eq 'co');
8972: }
8973: unless ($wrongcc) {
8974: my %crsenv = &userenvironment($cdom,$cnum,('internal.courseowner'));
8975: if ($crsenv{'internal.courseowner'} eq
8976: $env{'user.name'}.':'.$env{'user.domain'}) {
8977: $refused = '';
8978: }
1.1017 raeburn 8979: }
8980: }
1.1172.2.9 raeburn 8981: } elsif ($context eq 'requestauthor') {
8982: if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'}) &&
8983: ($url eq '/'.$udom.'/') && ($role eq 'au')) {
8984: if ($env{'environment.requestauthor'} eq 'automatic') {
8985: $refused = '';
8986: } else {
8987: my %domdefaults = &get_domain_defaults($udom);
8988: if (ref($domdefaults{'requestauthor'}) eq 'HASH') {
8989: my $checkbystatus;
8990: if ($env{'user.adv'}) {
8991: my $disposition = $domdefaults{'requestauthor'}{'_LC_adv'};
8992: if ($disposition eq 'automatic') {
8993: $refused = '';
8994: } elsif ($disposition eq '') {
8995: $checkbystatus = 1;
8996: }
8997: } else {
8998: $checkbystatus = 1;
8999: }
9000: if ($checkbystatus) {
9001: if ($env{'environment.inststatus'}) {
9002: my @inststatuses = split(/,/,$env{'environment.inststatus'});
9003: foreach my $type (@inststatuses) {
9004: if (($type ne '') &&
9005: ($domdefaults{'requestauthor'}{$type} eq 'automatic')) {
9006: $refused = '';
9007: }
9008: }
9009: } elsif ($domdefaults{'requestauthor'}{'default'} eq 'automatic') {
9010: $refused = '';
9011: }
9012: }
9013: }
9014: }
9015: }
1.1017 raeburn 9016: }
9017: if ($refused) {
1.947 raeburn 9018: &logthis('Refused assignrole: '.$udom.' '.$uname.' '.$url.
9019: ' '.$role.' '.$end.' '.$start.' by '.
9020: $env{'user.name'}.' at '.$env{'user.domain'});
9021: return 'refused';
9022: }
1.932 raeburn 9023: }
1.1131 raeburn 9024: } elsif ($role eq 'au') {
9025: if ($url ne '/'.$udom.'/') {
9026: &logthis('Attempt by '.$env{'user.name'}.':'.$env{'user.domain'}.
9027: ' to assign author role for '.$uname.':'.$udom.
9028: ' in domain: '.$url.' refused (wrong domain).');
9029: return 'refused';
9030: }
1.104 www 9031: }
1.21 www 9032: $mrole=$role;
9033: }
1.620 albertel 9034: my $command="encrypt:rolesput:$env{'user.domain'}:$env{'user.name'}:".
1.21 www 9035: "$udom:$uname:$url".'_'."$mrole=$role";
1.81 www 9036: if ($end) { $command.='_'.$end; }
1.21 www 9037: if ($start) {
9038: if ($end) {
1.81 www 9039: $command.='_'.$start;
1.21 www 9040: } else {
1.81 www 9041: $command.='_0_'.$start;
1.21 www 9042: }
9043: }
1.739 raeburn 9044: my $origstart = $start;
9045: my $origend = $end;
1.957 raeburn 9046: my $delflag;
1.357 www 9047: # actually delete
9048: if ($deleteflag) {
1.373 www 9049: if ((&allowed('dro',$udom)) || (&allowed('dro',$url))) {
1.357 www 9050: # modify command to delete the role
1.620 albertel 9051: $command="encrypt:rolesdel:$env{'user.domain'}:$env{'user.name'}:".
1.357 www 9052: "$udom:$uname:$url".'_'."$mrole";
1.620 albertel 9053: &logthis("$env{'user.name'} at $env{'user.domain'} deletes $mrole in $url for $uname at $udom");
1.357 www 9054: # set start and finish to negative values for userrolelog
9055: $start=-1;
9056: $end=-1;
1.957 raeburn 9057: $delflag = 1;
1.357 www 9058: }
9059: }
9060: # send command
1.349 www 9061: my $answer=&reply($command,&homeserver($uname,$udom));
1.357 www 9062: # log new user role if status is ok
1.349 www 9063: if ($answer eq 'ok') {
1.663 raeburn 9064: &userrolelog($role,$uname,$udom,$url,$start,$end);
1.1172.2.9 raeburn 9065: if (($role eq 'cc') || ($role eq 'in') ||
9066: ($role eq 'ep') || ($role eq 'ad') ||
9067: ($role eq 'ta') || ($role eq 'st') ||
9068: ($role=~/^cr/) || ($role eq 'gr') ||
9069: ($role eq 'co')) {
1.1172.2.13 raeburn 9070: # for course roles, perform group memberships changes triggered by role change.
9071: unless ($role =~ /^gr/) {
9072: &Apache::longroup::group_changes($udom,$uname,$url,$role,$origend,
9073: $origstart,$selfenroll,$context);
9074: }
1.1172.2.9 raeburn 9075: &courserolelog($role,$uname,$udom,$url,$origstart,$origend,$delflag,
9076: $selfenroll,$context);
9077: } elsif (($role eq 'li') || ($role eq 'dg') || ($role eq 'sc') ||
1.1172.2.90 raeburn 9078: ($role eq 'au') || ($role eq 'dc') || ($role eq 'dh') ||
9079: ($role eq 'da')) {
1.1172.2.9 raeburn 9080: &domainrolelog($role,$uname,$udom,$url,$origstart,$origend,$delflag,
9081: $context);
9082: } elsif (($role eq 'ca') || ($role eq 'aa')) {
9083: &coauthorrolelog($role,$uname,$udom,$url,$origstart,$origend,$delflag,
9084: $context);
9085: }
1.1053 raeburn 9086: if ($role eq 'cc') {
9087: &autoupdate_coowners($url,$end,$start,$uname,$udom);
9088: }
1.349 www 9089: }
9090: return $answer;
1.169 harris41 9091: }
9092:
1.1053 raeburn 9093: sub autoupdate_coowners {
9094: my ($url,$end,$start,$uname,$udom) = @_;
9095: my ($cdom,$cnum) = ($url =~ m{^/($match_domain)/($match_courseid)});
9096: if (($cdom ne '') && ($cnum ne '')) {
9097: my $now = time;
9098: my %domdesign = &Apache::loncommon::get_domainconf($cdom);
9099: if ($domdesign{$cdom.'.autoassign.co-owners'}) {
9100: my %coursehash = &coursedescription($cdom.'_'.$cnum);
9101: my $instcode = $coursehash{'internal.coursecode'};
9102: if ($instcode ne '') {
1.1056 raeburn 9103: if (($start && $start <= $now) && ($end == 0) || ($end > $now)) {
9104: unless ($coursehash{'internal.courseowner'} eq $uname.':'.$udom) {
1.1053 raeburn 9105: my ($delcoowners,@newcoowners,$putresult,$delresult,$coowners);
1.1056 raeburn 9106: my ($result,$desc) = &auto_validate_instcode($cnum,$cdom,$instcode,$uname.':'.$udom);
9107: if ($result eq 'valid') {
9108: if ($coursehash{'internal.co-owners'}) {
1.1053 raeburn 9109: foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) {
9110: push(@newcoowners,$coowner);
9111: }
9112: unless (grep(/^\Q$uname\E:\Q$udom\E$/,@newcoowners)) {
9113: push(@newcoowners,$uname.':'.$udom);
9114: }
9115: @newcoowners = sort(@newcoowners);
9116: } else {
9117: push(@newcoowners,$uname.':'.$udom);
9118: }
9119: } else {
9120: if ($coursehash{'internal.co-owners'}) {
9121: foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) {
9122: unless ($coowner eq $uname.':'.$udom) {
9123: push(@newcoowners,$coowner);
9124: }
9125: }
9126: unless (@newcoowners > 0) {
9127: $delcoowners = 1;
9128: $coowners = '';
9129: }
9130: }
9131: }
9132: if (@newcoowners || $delcoowners) {
9133: &store_coowners($cdom,$cnum,$coursehash{'home'},
9134: $delcoowners,@newcoowners);
9135: }
9136: }
9137: }
9138: }
9139: }
9140: }
9141: }
9142:
9143: sub store_coowners {
9144: my ($cdom,$cnum,$chome,$delcoowners,@newcoowners) = @_;
9145: my $cid = $cdom.'_'.$cnum;
9146: my ($coowners,$delresult,$putresult);
9147: if (@newcoowners) {
9148: $coowners = join(',',@newcoowners);
9149: my %coownershash = (
9150: 'internal.co-owners' => $coowners,
9151: );
9152: $putresult = &put('environment',\%coownershash,$cdom,$cnum);
9153: if ($putresult eq 'ok') {
9154: if ($env{'course.'.$cid.'.num'} eq $cnum) {
9155: &appenv({'course.'.$cid.'.internal.co-owners' => $coowners});
9156: }
9157: }
9158: }
9159: if ($delcoowners) {
9160: $delresult = &Apache::lonnet::del('environment',['internal.co-owners'],$cdom,$cnum);
9161: if ($delresult eq 'ok') {
9162: if ($env{'course.'.$cid.'.internal.co-owners'}) {
9163: &Apache::lonnet::delenv('course.'.$cid.'.internal.co-owners');
9164: }
9165: }
9166: }
9167: if (($putresult eq 'ok') || ($delresult eq 'ok')) {
9168: my %crsinfo =
9169: &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,undef,undef,'.');
9170: if (ref($crsinfo{$cid}) eq 'HASH') {
9171: $crsinfo{$cid}{'co-owners'} = \@newcoowners;
9172: my $cidput = &Apache::lonnet::courseidput($cdom,\%crsinfo,$chome,'notime');
9173: }
9174: }
9175: }
9176:
1.169 harris41 9177: # -------------------------------------------------- Modify user authentication
1.197 www 9178: # Overrides without validation
9179:
1.169 harris41 9180: sub modifyuserauth {
9181: my ($udom,$uname,$umode,$upass)=@_;
9182: my $uhome=&homeserver($uname,$udom);
1.197 www 9183: unless (&allowed('mau',$udom)) { return 'refused'; }
9184: &logthis('Call to modify user authentication '.$udom.', '.$uname.', '.
1.620 albertel 9185: $umode.' by '.$env{'user.name'}.' at '.$env{'user.domain'}.
9186: ' in domain '.$env{'request.role.domain'});
1.169 harris41 9187: my $reply=&reply('encrypt:changeuserauth:'.$udom.':'.$uname.':'.$umode.':'.
9188: &escape($upass),$uhome);
1.620 albertel 9189: &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},
1.197 www 9190: 'Authentication changed for '.$udom.', '.$uname.', '.$umode.
9191: '(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply);
9192: &log($udom,,$uname,$uhome,
1.620 albertel 9193: 'Authentication changed by '.$env{'user.domain'}.', '.
9194: $env{'user.name'}.', '.$umode.
1.197 www 9195: '(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply);
1.169 harris41 9196: unless ($reply eq 'ok') {
1.197 www 9197: &logthis('Authentication mode error: '.$reply);
1.169 harris41 9198: return 'error: '.$reply;
9199: }
1.170 harris41 9200: return 'ok';
1.80 www 9201: }
9202:
1.81 www 9203: # --------------------------------------------------------------- Modify a user
1.80 www 9204:
1.81 www 9205: sub modifyuser {
1.206 matthew 9206: my ($udom, $uname, $uid,
9207: $umode, $upass, $first,
9208: $middle, $last, $gene,
1.1058 raeburn 9209: $forceid, $desiredhome, $email, $inststatus, $candelete)=@_;
1.807 albertel 9210: $udom= &LONCAPA::clean_domain($udom);
9211: $uname=&LONCAPA::clean_username($uname);
1.1059 raeburn 9212: my $showcandelete = 'none';
9213: if (ref($candelete) eq 'ARRAY') {
9214: if (@{$candelete} > 0) {
9215: $showcandelete = join(', ',@{$candelete});
9216: }
9217: }
1.81 www 9218: &logthis('Call to modify user '.$udom.', '.$uname.', '.$uid.', '.
1.80 www 9219: $umode.', '.$first.', '.$middle.', '.
1.1059 raeburn 9220: $last.', '.$gene.'(forceid: '.$forceid.'; candelete: '.$showcandelete.')'.
1.206 matthew 9221: (defined($desiredhome) ? ' desiredhome = '.$desiredhome :
9222: ' desiredhome not specified').
1.620 albertel 9223: ' by '.$env{'user.name'}.' at '.$env{'user.domain'}.
9224: ' in domain '.$env{'request.role.domain'});
1.230 stredwic 9225: my $uhome=&homeserver($uname,$udom,'true');
1.1075 raeburn 9226: my $newuser;
9227: if ($uhome eq 'no_host') {
9228: $newuser = 1;
9229: }
1.80 www 9230: # ----------------------------------------------------------------- Create User
1.406 albertel 9231: if (($uhome eq 'no_host') &&
9232: (($umode && $upass) || ($umode eq 'localauth'))) {
1.80 www 9233: my $unhome='';
1.844 albertel 9234: if (defined($desiredhome) && &host_domain($desiredhome) eq $udom) {
1.209 matthew 9235: $unhome = $desiredhome;
1.620 albertel 9236: } elsif($env{'course.'.$env{'request.course.id'}.'.domain'} eq $udom) {
9237: $unhome=$env{'course.'.$env{'request.course.id'}.'.home'};
1.209 matthew 9238: } else { # load balancing routine for determining $unhome
1.81 www 9239: my $loadm=10000000;
1.841 albertel 9240: my %servers = &get_servers($udom,'library');
9241: foreach my $tryserver (keys(%servers)) {
9242: my $answer=reply('load',$tryserver);
9243: if (($answer=~/\d+/) && ($answer<$loadm)) {
9244: $loadm=$answer;
9245: $unhome=$tryserver;
9246: }
1.80 www 9247: }
9248: }
9249: if (($unhome eq '') || ($unhome eq 'no_host')) {
1.206 matthew 9250: return 'error: unable to find a home server for '.$uname.
9251: ' in domain '.$udom;
1.80 www 9252: }
9253: my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':'.$umode.':'.
9254: &escape($upass),$unhome);
9255: unless ($reply eq 'ok') {
9256: return 'error: '.$reply;
9257: }
1.230 stredwic 9258: $uhome=&homeserver($uname,$udom,'true');
1.80 www 9259: if (($uhome eq '') || ($uhome eq 'no_host') || ($uhome ne $unhome)) {
1.386 matthew 9260: return 'error: unable verify users home machine.';
1.80 www 9261: }
1.209 matthew 9262: } # End of creation of new user
1.80 www 9263: # ---------------------------------------------------------------------- Add ID
9264: if ($uid) {
9265: $uid=~tr/A-Z/a-z/;
9266: my %uidhash=&idrget($udom,$uname);
1.196 www 9267: if (($uidhash{$uname}) && ($uidhash{$uname}!~/error\:/)
9268: && (!$forceid)) {
1.80 www 9269: unless ($uid eq $uidhash{$uname}) {
1.386 matthew 9270: return 'error: user id "'.$uid.'" does not match '.
9271: 'current user id "'.$uidhash{$uname}.'".';
1.80 www 9272: }
9273: } else {
9274: &idput($udom,($uname => $uid));
9275: }
9276: }
9277: # -------------------------------------------------------------- Add names, etc
1.313 matthew 9278: my @tmp=&get('environment',
1.899 raeburn 9279: ['firstname','middlename','lastname','generation','id',
1.963 raeburn 9280: 'permanentemail','inststatus'],
1.134 albertel 9281: $udom,$uname);
1.1075 raeburn 9282: my (%names,%oldnames);
1.313 matthew 9283: if ($tmp[0] =~ m/^error:.*/) {
9284: %names=();
9285: } else {
9286: %names = @tmp;
1.1075 raeburn 9287: %oldnames = %names;
1.313 matthew 9288: }
1.388 www 9289: #
1.1058 raeburn 9290: # If name, email and/or uid are blank (e.g., because an uploaded file
9291: # of users did not contain them), do not overwrite existing values
9292: # unless field is in $candelete array ref.
9293: #
9294:
9295: my @fields = ('firstname','middlename','lastname','generation',
9296: 'permanentemail','id');
9297: my %newvalues;
9298: if (ref($candelete) eq 'ARRAY') {
9299: foreach my $field (@fields) {
9300: if (grep(/^\Q$field\E$/,@{$candelete})) {
9301: if ($field eq 'firstname') {
9302: $names{$field} = $first;
9303: } elsif ($field eq 'middlename') {
9304: $names{$field} = $middle;
9305: } elsif ($field eq 'lastname') {
9306: $names{$field} = $last;
9307: } elsif ($field eq 'generation') {
9308: $names{$field} = $gene;
9309: } elsif ($field eq 'permanentemail') {
9310: $names{$field} = $email;
9311: } elsif ($field eq 'id') {
9312: $names{$field} = $uid;
9313: }
9314: }
9315: }
9316: }
1.388 www 9317: if ($first) { $names{'firstname'} = $first; }
1.385 matthew 9318: if (defined($middle)) { $names{'middlename'} = $middle; }
1.388 www 9319: if ($last) { $names{'lastname'} = $last; }
1.385 matthew 9320: if (defined($gene)) { $names{'generation'} = $gene; }
1.592 www 9321: if ($email) {
9322: $email=~s/[^\w\@\.\-\,]//gs;
1.963 raeburn 9323: if ($email=~/\@/) { $names{'permanentemail'} = $email; }
1.592 www 9324: }
1.899 raeburn 9325: if ($uid) { $names{'id'} = $uid; }
1.989 raeburn 9326: if (defined($inststatus)) {
9327: $names{'inststatus'} = '';
9328: my ($usertypes,$typesorder) = &retrieve_inst_usertypes($udom);
9329: if (ref($usertypes) eq 'HASH') {
9330: my @okstatuses;
9331: foreach my $item (split(/:/,$inststatus)) {
9332: if (defined($usertypes->{$item})) {
9333: push(@okstatuses,$item);
9334: }
9335: }
9336: if (@okstatuses) {
9337: $names{'inststatus'} = join(':', map { &escape($_); } @okstatuses);
9338: }
9339: }
9340: }
1.1075 raeburn 9341: my $logmsg = $udom.', '.$uname.', '.$uid.', '.
1.963 raeburn 9342: $umode.', '.$first.', '.$middle.', '.
1.1075 raeburn 9343: $last.', '.$gene.', '.$email.', '.$inststatus;
1.963 raeburn 9344: if ($env{'user.name'} ne '' && $env{'user.domain'}) {
9345: $logmsg .= ' by '.$env{'user.name'}.' at '.$env{'user.domain'};
9346: } else {
9347: $logmsg .= ' during self creation';
9348: }
1.1075 raeburn 9349: my $changed;
9350: if ($newuser) {
9351: $changed = 1;
9352: } else {
9353: foreach my $field (@fields) {
9354: if ($names{$field} ne $oldnames{$field}) {
9355: $changed = 1;
9356: last;
9357: }
9358: }
9359: }
9360: unless ($changed) {
9361: $logmsg = 'No changes in user information needed for: '.$logmsg;
9362: &logthis($logmsg);
9363: return 'ok';
9364: }
9365: my $reply = &put('environment', \%names, $udom,$uname);
9366: if ($reply ne 'ok') {
9367: return 'error: '.$reply;
9368: }
1.1087 raeburn 9369: if ($names{'permanentemail'} ne $oldnames{'permanentemail'}) {
9370: &Apache::lonnet::devalidate_cache_new('emailscache',$uname.':'.$udom);
9371: }
1.1075 raeburn 9372: my $sqlresult = &update_allusers_table($uname,$udom,\%names);
9373: &devalidate_cache_new('namescache',$uname.':'.$udom);
9374: $logmsg = 'Success modifying user '.$logmsg;
1.963 raeburn 9375: &logthis($logmsg);
1.134 albertel 9376: return 'ok';
1.80 www 9377: }
9378:
1.81 www 9379: # -------------------------------------------------------------- Modify student
1.80 www 9380:
1.81 www 9381: sub modifystudent {
9382: my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec,
1.957 raeburn 9383: $end,$start,$forceid,$desiredhome,$email,$type,$locktype,$cid,
1.1172.2.76 raeburn 9384: $selfenroll,$context,$inststatus,$credits,$instsec)=@_;
1.455 albertel 9385: if (!$cid) {
1.620 albertel 9386: unless ($cid=$env{'request.course.id'}) {
1.455 albertel 9387: return 'not_in_class';
9388: }
1.80 www 9389: }
9390: # --------------------------------------------------------------- Make the user
1.81 www 9391: my $reply=&modifyuser
1.209 matthew 9392: ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$forceid,
1.990 raeburn 9393: $desiredhome,$email,$inststatus);
1.80 www 9394: unless ($reply eq 'ok') { return $reply; }
1.297 matthew 9395: # This will cause &modify_student_enrollment to get the uid from the
1.1172.2.31 raeburn 9396: # student's environment
1.297 matthew 9397: $uid = undef if (!$forceid);
1.455 albertel 9398: $reply = &modify_student_enrollment($udom,$uname,$uid,$first,$middle,$last,
1.1172.2.19 raeburn 9399: $gene,$usec,$end,$start,$type,$locktype,
1.1172.2.76 raeburn 9400: $cid,$selfenroll,$context,$credits,$instsec);
1.297 matthew 9401: return $reply;
9402: }
9403:
9404: sub modify_student_enrollment {
1.1172.2.23 raeburn 9405: my ($udom,$uname,$uid,$first,$middle,$last,$gene,$usec,$end,$start,$type,
1.1172.2.76 raeburn 9406: $locktype,$cid,$selfenroll,$context,$credits,$instsec) = @_;
1.455 albertel 9407: my ($cdom,$cnum,$chome);
9408: if (!$cid) {
1.620 albertel 9409: unless ($cid=$env{'request.course.id'}) {
1.455 albertel 9410: return 'not_in_class';
9411: }
1.620 albertel 9412: $cdom=$env{'course.'.$cid.'.domain'};
9413: $cnum=$env{'course.'.$cid.'.num'};
1.455 albertel 9414: } else {
9415: ($cdom,$cnum)=split(/_/,$cid);
9416: }
1.620 albertel 9417: $chome=$env{'course.'.$cid.'.home'};
1.455 albertel 9418: if (!$chome) {
1.457 raeburn 9419: $chome=&homeserver($cnum,$cdom);
1.297 matthew 9420: }
1.455 albertel 9421: if (!$chome) { return 'unknown_course'; }
1.297 matthew 9422: # Make sure the user exists
1.81 www 9423: my $uhome=&homeserver($uname,$udom);
9424: if (($uhome eq '') || ($uhome eq 'no_host')) {
9425: return 'error: no such user';
9426: }
1.297 matthew 9427: # Get student data if we were not given enough information
9428: if (!defined($first) || $first eq '' ||
9429: !defined($last) || $last eq '' ||
9430: !defined($uid) || $uid eq '' ||
9431: !defined($middle) || $middle eq '' ||
9432: !defined($gene) || $gene eq '') {
1.294 matthew 9433: # They did not supply us with enough data to enroll the student, so
9434: # we need to pick up more information.
1.297 matthew 9435: my %tmp = &get('environment',
1.294 matthew 9436: ['firstname','middlename','lastname', 'generation','id']
1.297 matthew 9437: ,$udom,$uname);
9438:
1.800 albertel 9439: #foreach my $key (keys(%tmp)) {
9440: # &logthis("key $key = ".$tmp{$key});
1.455 albertel 9441: #}
1.294 matthew 9442: $first = $tmp{'firstname'} if (!defined($first) || $first eq '');
9443: $middle = $tmp{'middlename'} if (!defined($middle) || $middle eq '');
9444: $last = $tmp{'lastname'} if (!defined($last) || $last eq '');
1.297 matthew 9445: $gene = $tmp{'generation'} if (!defined($gene) || $gene eq '');
1.294 matthew 9446: $uid = $tmp{'id'} if (!defined($uid) || $uid eq '');
9447: }
1.556 albertel 9448: my $fullname = &format_name($first,$middle,$last,$gene,'lastname');
1.1148 raeburn 9449: my $user = "$uname:$udom";
9450: my %old_entry = &Apache::lonnet::get('classlist',[$user],$cdom,$cnum);
1.487 albertel 9451: my $reply=cput('classlist',
1.1148 raeburn 9452: {$user =>
1.1172.2.76 raeburn 9453: join(':',$end,$start,$uid,$usec,$fullname,$type,$locktype,$credits,$instsec) },
1.487 albertel 9454: $cdom,$cnum);
1.1148 raeburn 9455: if (($reply eq 'ok') || ($reply eq 'delayed')) {
9456: &devalidate_getsection_cache($udom,$uname,$cid);
9457: } else {
1.81 www 9458: return 'error: '.$reply;
9459: }
1.297 matthew 9460: # Add student role to user
1.83 www 9461: my $uurl='/'.$cid;
1.81 www 9462: $uurl=~s/\_/\//g;
9463: if ($usec) {
9464: $uurl.='/'.$usec;
9465: }
1.1148 raeburn 9466: my $result = &assignrole($udom,$uname,$uurl,'st',$end,$start,undef,
9467: $selfenroll,$context);
9468: if ($result ne 'ok') {
9469: if ($old_entry{$user} ne '') {
9470: $reply = &cput('classlist',\%old_entry,$cdom,$cnum);
9471: } else {
9472: $reply = &del('classlist',[$user],$cdom,$cnum);
9473: }
9474: }
9475: return $result;
1.21 www 9476: }
9477:
1.556 albertel 9478: sub format_name {
9479: my ($firstname,$middlename,$lastname,$generation,$first)=@_;
9480: my $name;
9481: if ($first ne 'lastname') {
9482: $name=$firstname.' '.$middlename.' '.$lastname.' '.$generation;
9483: } else {
9484: if ($lastname=~/\S/) {
9485: $name.= $lastname.' '.$generation.', '.$firstname.' '.$middlename;
9486: $name=~s/\s+,/,/;
9487: } else {
9488: $name.= $firstname.' '.$middlename.' '.$generation;
9489: }
9490: }
9491: $name=~s/^\s+//;
9492: $name=~s/\s+$//;
9493: $name=~s/\s+/ /g;
9494: return $name;
9495: }
9496:
1.84 www 9497: # ------------------------------------------------- Write to course preferences
9498:
9499: sub writecoursepref {
9500: my ($courseid,%prefs)=@_;
9501: $courseid=~s/^\///;
9502: $courseid=~s/\_/\//g;
9503: my ($cdomain,$cnum)=split(/\//,$courseid);
9504: my $chome=homeserver($cnum,$cdomain);
9505: if (($chome eq '') || ($chome eq 'no_host')) {
9506: return 'error: no such course';
9507: }
9508: my $cstring='';
1.800 albertel 9509: foreach my $pref (keys(%prefs)) {
9510: $cstring.=&escape($pref).'='.&escape($prefs{$pref}).'&';
1.191 harris41 9511: }
1.84 www 9512: $cstring=~s/\&$//;
9513: return reply('put:'.$cdomain.':'.$cnum.':environment:'.$cstring,$chome);
9514: }
9515:
9516: # ---------------------------------------------------------- Make/modify course
9517:
9518: sub createcourse {
1.741 raeburn 9519: my ($udom,$description,$url,$course_server,$nonstandard,$inst_code,
1.1017 raeburn 9520: $course_owner,$crstype,$cnum,$context,$category)=@_;
1.84 www 9521: $url=&declutter($url);
9522: my $cid='';
1.1028 raeburn 9523: if ($context eq 'requestcourses') {
9524: my $can_create = 0;
9525: my ($ownername,$ownerdom) = split(':',$course_owner);
9526: if ($udom eq $ownerdom) {
9527: if (&usertools_access($ownername,$ownerdom,$category,undef,
9528: $context)) {
9529: $can_create = 1;
9530: }
9531: } else {
9532: my %userenv = &userenvironment($ownerdom,$ownername,'reqcrsotherdom.'.
9533: $category);
9534: if ($userenv{'reqcrsotherdom.'.$category} ne '') {
9535: my @curr = split(',',$userenv{'reqcrsotherdom.'.$category});
9536: if (@curr > 0) {
9537: my @options = qw(approval validate autolimit);
9538: my $optregex = join('|',@options);
9539: if (grep(/^\Q$udom\E:($optregex)(=?\d*)$/,@curr)) {
9540: $can_create = 1;
9541: }
9542: }
9543: }
9544: }
9545: if ($can_create) {
9546: unless ($ownername eq $env{'user.name'} && $ownerdom eq $env{'user.domain'}) {
9547: unless (&allowed('ccc',$udom)) {
9548: return 'refused';
9549: }
1.1017 raeburn 9550: }
9551: } else {
9552: return 'refused';
9553: }
1.1028 raeburn 9554: } elsif (!&allowed('ccc',$udom)) {
9555: return 'refused';
1.84 www 9556: }
1.1011 raeburn 9557: # --------------------------------------------------------------- Get Unique ID
9558: my $uname;
9559: if ($cnum =~ /^$match_courseid$/) {
9560: my $chome=&homeserver($cnum,$udom,'true');
9561: if (($chome eq '') || ($chome eq 'no_host')) {
9562: $uname = $cnum;
9563: } else {
1.1038 raeburn 9564: $uname = &generate_coursenum($udom,$crstype);
1.1011 raeburn 9565: }
9566: } else {
1.1038 raeburn 9567: $uname = &generate_coursenum($udom,$crstype);
1.1011 raeburn 9568: }
9569: return $uname if ($uname =~ /^error/);
9570: # -------------------------------------------------- Check supplied server name
1.1052 raeburn 9571: if (!defined($course_server)) {
9572: if (defined(&domain($udom,'primary'))) {
9573: $course_server = &domain($udom,'primary');
9574: } else {
9575: $course_server = $env{'user.home'};
9576: }
9577: }
9578: my %host_servers =
9579: &Apache::lonnet::get_servers($udom,'library');
9580: unless ($host_servers{$course_server}) {
9581: return 'error: invalid home server for course: '.$course_server;
1.264 matthew 9582: }
1.84 www 9583: # ------------------------------------------------------------- Make the course
9584: my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':none::',
1.264 matthew 9585: $course_server);
1.84 www 9586: unless ($reply eq 'ok') { return 'error: '.$reply; }
1.1011 raeburn 9587: my $uhome=&homeserver($uname,$udom,'true');
1.84 www 9588: if (($uhome eq '') || ($uhome eq 'no_host')) {
9589: return 'error: no such course';
9590: }
1.271 www 9591: # ----------------------------------------------------------------- Course made
1.516 raeburn 9592: # log existence
1.1029 raeburn 9593: my $now = time;
1.918 raeburn 9594: my $newcourse = {
9595: $udom.'_'.$uname => {
1.921 raeburn 9596: description => $description,
9597: inst_code => $inst_code,
9598: owner => $course_owner,
9599: type => $crstype,
1.1029 raeburn 9600: creator => $env{'user.name'}.':'.
9601: $env{'user.domain'},
9602: created => $now,
9603: context => $context,
1.918 raeburn 9604: },
9605: };
1.921 raeburn 9606: &courseidput($udom,$newcourse,$uhome,'notime');
1.358 www 9607: # set toplevel url
1.271 www 9608: my $topurl=$url;
9609: unless ($nonstandard) {
9610: # ------------------------------------------ For standard courses, make top url
9611: my $mapurl=&clutter($url);
1.278 www 9612: if ($mapurl eq '/res/') { $mapurl=''; }
1.620 albertel 9613: $env{'form.initmap'}=(<<ENDINITMAP);
1.271 www 9614: <map>
9615: <resource id="1" type="start"></resource>
9616: <resource id="2" src="$mapurl"></resource>
9617: <resource id="3" type="finish"></resource>
9618: <link index="1" from="1" to="2"></link>
9619: <link index="2" from="2" to="3"></link>
9620: </map>
9621: ENDINITMAP
9622: $topurl=&declutter(
1.638 albertel 9623: &finishuserfileupload($uname,$udom,'initmap','default.sequence')
1.271 www 9624: );
9625: }
9626: # ----------------------------------------------------------- Write preferences
1.84 www 9627: &writecoursepref($udom.'_'.$uname,
1.1056 raeburn 9628: ('description' => $description,
9629: 'url' => $topurl,
9630: 'internal.creator' => $env{'user.name'}.':'.
9631: $env{'user.domain'},
9632: 'internal.created' => $now,
9633: 'internal.creationcontext' => $context)
9634: );
1.84 www 9635: return '/'.$udom.'/'.$uname;
9636: }
9637:
1.1011 raeburn 9638: # ------------------------------------------------------------------- Create ID
9639: sub generate_coursenum {
1.1038 raeburn 9640: my ($udom,$crstype) = @_;
1.1011 raeburn 9641: my $domdesc = &domain($udom);
9642: return 'error: invalid domain' if ($domdesc eq '');
1.1038 raeburn 9643: my $first;
9644: if ($crstype eq 'Community') {
9645: $first = '0';
9646: } else {
9647: $first = int(1+rand(9));
9648: }
9649: my $uname=$first.
1.1011 raeburn 9650: ('a'..'z','A'..'Z','0'..'9')[int(rand(62))].
9651: substr($$.time,0,5).unpack("H8",pack("I32",time)).
9652: unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
9653: # ----------------------------------------------- Make sure that does not exist
9654: my $uhome=&homeserver($uname,$udom,'true');
9655: unless (($uhome eq '') || ($uhome eq 'no_host')) {
1.1038 raeburn 9656: if ($crstype eq 'Community') {
9657: $first = '0';
9658: } else {
9659: $first = int(1+rand(9));
9660: }
9661: $uname=$first.
1.1011 raeburn 9662: ('a'..'z','A'..'Z','0'..'9')[int(rand(62))].
9663: substr($$.time,0,5).unpack("H8",pack("I32",time)).
9664: unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
9665: $uhome=&homeserver($uname,$udom,'true');
9666: unless (($uhome eq '') || ($uhome eq 'no_host')) {
9667: return 'error: unable to generate unique course-ID';
9668: }
9669: }
9670: return $uname;
9671: }
9672:
1.813 albertel 9673: sub is_course {
1.1167 droeschl 9674: my ($cdom, $cnum) = scalar(@_) == 1 ?
9675: ($_[0] =~ /^($match_domain)_($match_courseid)$/) : @_;
9676:
9677: return unless $cdom and $cnum;
9678:
9679: my %courses = &courseiddump($cdom, '.', 1, '.', '.', $cnum, undef, undef,
9680: '.');
9681:
1.1172.2.23 raeburn 9682: return unless(exists($courses{$cdom.'_'.$cnum}));
1.1167 droeschl 9683: return wantarray ? ($cdom, $cnum) : $cdom.'_'.$cnum;
1.813 albertel 9684: }
9685:
1.1015 raeburn 9686: sub store_userdata {
9687: my ($storehash,$datakey,$namespace,$udom,$uname) = @_;
1.1013 raeburn 9688: my $result;
1.1016 raeburn 9689: if ($datakey ne '') {
1.1013 raeburn 9690: if (ref($storehash) eq 'HASH') {
1.1017 raeburn 9691: if ($udom eq '' || $uname eq '') {
9692: $udom = $env{'user.domain'};
9693: $uname = $env{'user.name'};
9694: }
9695: my $uhome=&homeserver($uname,$udom);
1.1013 raeburn 9696: if (($uhome eq '') || ($uhome eq 'no_host')) {
9697: $result = 'error: no_host';
9698: } else {
9699: $storehash->{'ip'} = $ENV{'REMOTE_ADDR'};
9700: $storehash->{'host'} = $perlvar{'lonHostID'};
9701:
9702: my $namevalue='';
9703: foreach my $key (keys(%{$storehash})) {
9704: $namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&';
9705: }
9706: $namevalue=~s/\&$//;
1.1172.2.26 raeburn 9707: unless ($namespace eq 'courserequests') {
9708: $datakey = &escape($datakey);
9709: }
1.1105 raeburn 9710: $result = &reply("store:$udom:$uname:$namespace:$datakey:".
9711: $namevalue,$uhome);
1.1013 raeburn 9712: }
9713: } else {
9714: $result = 'error: data to store was not a hash reference';
9715: }
9716: } else {
9717: $result= 'error: invalid requestkey';
9718: }
9719: return $result;
9720: }
9721:
1.21 www 9722: # ---------------------------------------------------------- Assign Custom Role
9723:
9724: sub assigncustomrole {
1.957 raeburn 9725: my ($udom,$uname,$url,$rdom,$rnam,$rolename,$end,$start,$deleteflag,$selfenroll,$context)=@_;
1.21 www 9726: return &assignrole($udom,$uname,$url,'cr/'.$rdom.'/'.$rnam.'/'.$rolename,
1.957 raeburn 9727: $end,$start,$deleteflag,$selfenroll,$context);
1.21 www 9728: }
9729:
9730: # ----------------------------------------------------------------- Revoke Role
9731:
9732: sub revokerole {
1.957 raeburn 9733: my ($udom,$uname,$url,$role,$deleteflag,$selfenroll,$context)=@_;
1.21 www 9734: my $now=time;
1.965 raeburn 9735: return &assignrole($udom,$uname,$url,$role,$now,undef,$deleteflag,$selfenroll,$context);
1.21 www 9736: }
9737:
9738: # ---------------------------------------------------------- Revoke Custom Role
9739:
9740: sub revokecustomrole {
1.957 raeburn 9741: my ($udom,$uname,$url,$rdom,$rnam,$rolename,$deleteflag,$selfenroll,$context)=@_;
1.21 www 9742: my $now=time;
1.357 www 9743: return &assigncustomrole($udom,$uname,$url,$rdom,$rnam,$rolename,$now,
1.957 raeburn 9744: $deleteflag,$selfenroll,$context);
1.17 www 9745: }
9746:
1.533 banghart 9747: # ------------------------------------------------------------ Disk usage
1.535 albertel 9748: sub diskusage {
1.955 raeburn 9749: my ($udom,$uname,$directorypath,$getpropath)=@_;
9750: $directorypath =~ s/\/$//;
9751: my $listing=&reply('du2:'.&escape($directorypath).':'
9752: .&escape($getpropath).':'.&escape($uname).':'
9753: .&escape($udom),homeserver($uname,$udom));
9754: if ($listing eq 'unknown_cmd') {
9755: if ($getpropath) {
9756: $directorypath = &propath($udom,$uname).'/'.$directorypath;
9757: }
9758: $listing = &reply('du:'.$directorypath,homeserver($uname,$udom));
9759: }
1.514 albertel 9760: return $listing;
1.512 banghart 9761: }
9762:
1.566 banghart 9763: sub is_locked {
1.1096 raeburn 9764: my ($file_name, $domain, $user, $which) = @_;
1.566 banghart 9765: my @check;
9766: my $is_locked;
1.1093 raeburn 9767: push (@check,$file_name);
1.613 albertel 9768: my %locked = &get('file_permissions',\@check,
1.620 albertel 9769: $env{'user.domain'},$env{'user.name'});
1.615 albertel 9770: my ($tmp)=keys(%locked);
9771: if ($tmp=~/^error:/) { undef(%locked); }
1.745 raeburn 9772:
1.566 banghart 9773: if (ref($locked{$file_name}) eq 'ARRAY') {
1.745 raeburn 9774: $is_locked = 'false';
9775: foreach my $entry (@{$locked{$file_name}}) {
1.1096 raeburn 9776: if (ref($entry) eq 'ARRAY') {
1.746 raeburn 9777: $is_locked = 'true';
1.1096 raeburn 9778: if (ref($which) eq 'ARRAY') {
9779: push(@{$which},$entry);
9780: } else {
9781: last;
9782: }
1.745 raeburn 9783: }
9784: }
1.566 banghart 9785: } else {
9786: $is_locked = 'false';
9787: }
1.1093 raeburn 9788: return $is_locked;
1.566 banghart 9789: }
9790:
1.759 albertel 9791: sub declutter_portfile {
9792: my ($file) = @_;
1.833 albertel 9793: $file =~ s{^(/portfolio/|portfolio/)}{/};
1.759 albertel 9794: return $file;
9795: }
9796:
1.559 banghart 9797: # ------------------------------------------------------------- Mark as Read Only
9798:
9799: sub mark_as_readonly {
9800: my ($domain,$user,$files,$what) = @_;
1.613 albertel 9801: my %current_permissions = &dump('file_permissions',$domain,$user);
1.615 albertel 9802: my ($tmp)=keys(%current_permissions);
9803: if ($tmp=~/^error:/) { undef(%current_permissions); }
1.560 banghart 9804: foreach my $file (@{$files}) {
1.759 albertel 9805: $file = &declutter_portfile($file);
1.561 banghart 9806: push(@{$current_permissions{$file}},$what);
1.559 banghart 9807: }
1.613 albertel 9808: &put('file_permissions',\%current_permissions,$domain,$user);
1.559 banghart 9809: return;
9810: }
9811:
1.572 banghart 9812: # ------------------------------------------------------------Save Selected Files
9813:
9814: sub save_selected_files {
9815: my ($user, $path, @files) = @_;
9816: my $filename = $user."savedfiles";
1.573 banghart 9817: my @other_files = &files_not_in_path($user, $path);
1.871 albertel 9818: open (OUT, '>'.$tmpdir.$filename);
1.573 banghart 9819: foreach my $file (@files) {
1.620 albertel 9820: print (OUT $env{'form.currentpath'}.$file."\n");
1.573 banghart 9821: }
9822: foreach my $file (@other_files) {
1.574 banghart 9823: print (OUT $file."\n");
1.572 banghart 9824: }
1.574 banghart 9825: close (OUT);
1.572 banghart 9826: return 'ok';
9827: }
9828:
1.574 banghart 9829: sub clear_selected_files {
9830: my ($user) = @_;
9831: my $filename = $user."savedfiles";
1.1117 foxr 9832: open (OUT, '>'.LONCAPA::tempdir().$filename);
1.574 banghart 9833: print (OUT undef);
9834: close (OUT);
9835: return ("ok");
9836: }
9837:
1.572 banghart 9838: sub files_in_path {
9839: my ($user, $path) = @_;
9840: my $filename = $user."savedfiles";
9841: my %return_files;
1.1117 foxr 9842: open (IN, '<'.LONCAPA::tempdir().$filename);
1.573 banghart 9843: while (my $line_in = <IN>) {
1.574 banghart 9844: chomp ($line_in);
9845: my @paths_and_file = split (m!/!, $line_in);
9846: my $file_part = pop (@paths_and_file);
9847: my $path_part = join ('/', @paths_and_file);
1.573 banghart 9848: $path_part.='/';
9849: my $path_and_file = $path_part.$file_part;
9850: if ($path_part eq $path) {
9851: $return_files{$file_part}= 'selected';
9852: }
9853: }
1.574 banghart 9854: close (IN);
9855: return (\%return_files);
1.572 banghart 9856: }
9857:
9858: # called in portfolio select mode, to show files selected NOT in current directory
9859: sub files_not_in_path {
9860: my ($user, $path) = @_;
9861: my $filename = $user."savedfiles";
9862: my @return_files;
9863: my $path_part;
1.1117 foxr 9864: open(IN, '<'.LONCAPA::.$filename);
1.800 albertel 9865: while (my $line = <IN>) {
1.572 banghart 9866: #ok, I know it's clunky, but I want it to work
1.800 albertel 9867: my @paths_and_file = split(m|/|, $line);
9868: my $file_part = pop(@paths_and_file);
9869: chomp($file_part);
9870: my $path_part = join('/', @paths_and_file);
1.572 banghart 9871: $path_part .= '/';
9872: my $path_and_file = $path_part.$file_part;
9873: if ($path_part ne $path) {
1.800 albertel 9874: push(@return_files, ($path_and_file));
1.572 banghart 9875: }
9876: }
1.800 albertel 9877: close(OUT);
1.574 banghart 9878: return (@return_files);
1.572 banghart 9879: }
9880:
1.745 raeburn 9881: #----------------------------------------------Get portfolio file permissions
1.629 banghart 9882:
1.745 raeburn 9883: sub get_portfile_permissions {
9884: my ($domain,$user) = @_;
1.613 albertel 9885: my %current_permissions = &dump('file_permissions',$domain,$user);
1.615 albertel 9886: my ($tmp)=keys(%current_permissions);
9887: if ($tmp=~/^error:/) { undef(%current_permissions); }
1.745 raeburn 9888: return \%current_permissions;
9889: }
9890:
9891: #---------------------------------------------Get portfolio file access controls
9892:
1.749 raeburn 9893: sub get_access_controls {
1.745 raeburn 9894: my ($current_permissions,$group,$file) = @_;
1.769 albertel 9895: my %access;
9896: my $real_file = $file;
9897: $file =~ s/\.meta$//;
1.745 raeburn 9898: if (defined($file)) {
1.749 raeburn 9899: if (ref($$current_permissions{$file."\0".'accesscontrol'}) eq 'HASH') {
9900: foreach my $control (keys(%{$$current_permissions{$file."\0".'accesscontrol'}})) {
1.769 albertel 9901: $access{$real_file}{$control} = $$current_permissions{$file."\0".$control};
1.749 raeburn 9902: }
9903: }
1.745 raeburn 9904: } else {
1.749 raeburn 9905: foreach my $key (keys(%{$current_permissions})) {
9906: if ($key =~ /\0accesscontrol$/) {
9907: if (defined($group)) {
9908: if ($key !~ m-^\Q$group\E/-) {
9909: next;
9910: }
9911: }
9912: my ($fullpath) = split(/\0/,$key);
9913: if (ref($$current_permissions{$key}) eq 'HASH') {
9914: foreach my $control (keys(%{$$current_permissions{$key}})) {
9915: $access{$fullpath}{$control}=$$current_permissions{$fullpath."\0".$control};
9916: }
9917: }
9918: }
9919: }
9920: }
9921: return %access;
9922: }
9923:
9924: sub modify_access_controls {
9925: my ($file_name,$changes,$domain,$user)=@_;
9926: my ($outcome,$deloutcome);
9927: my %store_permissions;
9928: my %new_values;
9929: my %new_control;
9930: my %translation;
9931: my @deletions = ();
9932: my $now = time;
9933: if (exists($$changes{'activate'})) {
9934: if (ref($$changes{'activate'}) eq 'HASH') {
9935: my @newitems = sort(keys(%{$$changes{'activate'}}));
9936: my $numnew = scalar(@newitems);
9937: for (my $i=0; $i<$numnew; $i++) {
9938: my $newkey = $newitems[$i];
9939: my $newid = &Apache::loncommon::get_cgi_id();
1.797 raeburn 9940: if ($newkey =~ /^\d+:/) {
9941: $newkey =~ s/^(\d+)/$newid/;
9942: $translation{$1} = $newid;
9943: } elsif ($newkey =~ /^\d+_\d+_\d+:/) {
9944: $newkey =~ s/^(\d+_\d+_\d+)/$newid/;
9945: $translation{$1} = $newid;
9946: }
1.749 raeburn 9947: $new_values{$file_name."\0".$newkey} =
9948: $$changes{'activate'}{$newitems[$i]};
9949: $new_control{$newkey} = $now;
9950: }
9951: }
9952: }
9953: my %todelete;
9954: my %changed_items;
9955: foreach my $action ('delete','update') {
9956: if (exists($$changes{$action})) {
9957: if (ref($$changes{$action}) eq 'HASH') {
9958: foreach my $key (keys(%{$$changes{$action}})) {
9959: my ($itemnum) = ($key =~ /^([^:]+):/);
9960: if ($action eq 'delete') {
9961: $todelete{$itemnum} = 1;
9962: } else {
9963: $changed_items{$itemnum} = $key;
9964: }
9965: }
1.745 raeburn 9966: }
9967: }
1.749 raeburn 9968: }
9969: # get lock on access controls for file.
9970: my $lockhash = {
9971: $file_name."\0".'locked_access_records' => $env{'user.name'}.
9972: ':'.$env{'user.domain'},
9973: };
9974: my $tries = 0;
9975: my $gotlock = &newput('file_permissions',$lockhash,$domain,$user);
9976:
1.1172.2.79 raeburn 9977: while (($gotlock ne 'ok') && $tries < 10) {
1.749 raeburn 9978: $tries ++;
1.1172.2.79 raeburn 9979: sleep(0.1);
1.749 raeburn 9980: $gotlock = &newput('file_permissions',$lockhash,$domain,$user);
9981: }
9982: if ($gotlock eq 'ok') {
9983: my %curr_permissions = &dump('file_permissions',$domain,$user,$file_name);
9984: my ($tmp)=keys(%curr_permissions);
9985: if ($tmp=~/^error:/) { undef(%curr_permissions); }
9986: if (exists($curr_permissions{$file_name."\0".'accesscontrol'})) {
9987: my $curr_controls = $curr_permissions{$file_name."\0".'accesscontrol'};
9988: if (ref($curr_controls) eq 'HASH') {
9989: foreach my $control_item (keys(%{$curr_controls})) {
9990: my ($itemnum) = ($control_item =~ /^([^:]+):/);
9991: if (defined($todelete{$itemnum})) {
9992: push(@deletions,$file_name."\0".$control_item);
9993: } else {
9994: if (defined($changed_items{$itemnum})) {
9995: $new_control{$changed_items{$itemnum}} = $now;
9996: push(@deletions,$file_name."\0".$control_item);
9997: $new_values{$file_name."\0".$changed_items{$itemnum}} = $$changes{'update'}{$changed_items{$itemnum}};
9998: } else {
9999: $new_control{$control_item} = $$curr_controls{$control_item};
10000: }
10001: }
1.745 raeburn 10002: }
10003: }
10004: }
1.970 raeburn 10005: my ($group);
10006: if (&is_course($domain,$user)) {
10007: ($group,my $file) = split(/\//,$file_name,2);
10008: }
1.749 raeburn 10009: $deloutcome = &del('file_permissions',\@deletions,$domain,$user);
10010: $new_values{$file_name."\0".'accesscontrol'} = \%new_control;
10011: $outcome = &put('file_permissions',\%new_values,$domain,$user);
10012: # remove lock
10013: my @del_lock = ($file_name."\0".'locked_access_records');
10014: my $dellockoutcome = &del('file_permissions',\@del_lock,$domain,$user);
1.818 raeburn 10015: my $sqlresult =
1.970 raeburn 10016: &update_portfolio_table($user,$domain,$file_name,'portfolio_access',
1.818 raeburn 10017: $group);
1.749 raeburn 10018: } else {
10019: $outcome = "error: could not obtain lockfile\n";
1.745 raeburn 10020: }
1.749 raeburn 10021: return ($outcome,$deloutcome,\%new_values,\%translation);
1.745 raeburn 10022: }
10023:
1.827 raeburn 10024: sub make_public_indefinitely {
10025: my ($requrl) = @_;
10026: my $now = time;
10027: my $action = 'activate';
10028: my $aclnum = 0;
10029: if (&is_portfolio_url($requrl)) {
10030: my (undef,$udom,$unum,$file_name,$group) =
10031: &parse_portfolio_url($requrl);
10032: my $current_perms = &get_portfile_permissions($udom,$unum);
10033: my %access_controls = &get_access_controls($current_perms,
10034: $group,$file_name);
10035: foreach my $key (keys(%{$access_controls{$file_name}})) {
10036: my ($num,$scope,$end,$start) =
10037: ($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/);
10038: if ($scope eq 'public') {
10039: if ($start <= $now && $end == 0) {
10040: $action = 'none';
10041: } else {
10042: $action = 'update';
10043: $aclnum = $num;
10044: }
10045: last;
10046: }
10047: }
10048: if ($action eq 'none') {
10049: return 'ok';
10050: } else {
10051: my %changes;
10052: my $newend = 0;
10053: my $newstart = $now;
10054: my $newkey = $aclnum.':public_'.$newend.'_'.$newstart;
10055: $changes{$action}{$newkey} = {
10056: type => 'public',
10057: time => {
10058: start => $newstart,
10059: end => $newend,
10060: },
10061: };
10062: my ($outcome,$deloutcome,$new_values,$translation) =
10063: &modify_access_controls($file_name,\%changes,$udom,$unum);
10064: return $outcome;
10065: }
10066: } else {
10067: return 'invalid';
10068: }
10069: }
10070:
1.745 raeburn 10071: #------------------------------------------------------Get Marked as Read Only
10072:
10073: sub get_marked_as_readonly {
10074: my ($domain,$user,$what,$group) = @_;
10075: my $current_permissions = &get_portfile_permissions($domain,$user);
1.563 banghart 10076: my @readonly_files;
1.629 banghart 10077: my $cmp1=$what;
10078: if (ref($what)) { $cmp1=join('',@{$what}) };
1.745 raeburn 10079: while (my ($file_name,$value) = each(%{$current_permissions})) {
10080: if (defined($group)) {
10081: if ($file_name !~ m-^\Q$group\E/-) {
10082: next;
10083: }
10084: }
1.561 banghart 10085: if (ref($value) eq "ARRAY"){
10086: foreach my $stored_what (@{$value}) {
1.629 banghart 10087: my $cmp2=$stored_what;
1.759 albertel 10088: if (ref($stored_what) eq 'ARRAY') {
1.746 raeburn 10089: $cmp2=join('',@{$stored_what});
1.745 raeburn 10090: }
1.629 banghart 10091: if ($cmp1 eq $cmp2) {
1.561 banghart 10092: push(@readonly_files, $file_name);
1.745 raeburn 10093: last;
1.563 banghart 10094: } elsif (!defined($what)) {
10095: push(@readonly_files, $file_name);
1.745 raeburn 10096: last;
1.561 banghart 10097: }
10098: }
1.745 raeburn 10099: }
1.561 banghart 10100: }
10101: return @readonly_files;
10102: }
1.577 banghart 10103: #-----------------------------------------------------------Get Marked as Read Only Hash
1.561 banghart 10104:
1.577 banghart 10105: sub get_marked_as_readonly_hash {
1.745 raeburn 10106: my ($current_permissions,$group,$what) = @_;
1.577 banghart 10107: my %readonly_files;
1.745 raeburn 10108: while (my ($file_name,$value) = each(%{$current_permissions})) {
10109: if (defined($group)) {
10110: if ($file_name !~ m-^\Q$group\E/-) {
10111: next;
10112: }
10113: }
1.577 banghart 10114: if (ref($value) eq "ARRAY"){
10115: foreach my $stored_what (@{$value}) {
1.745 raeburn 10116: if (ref($stored_what) eq 'ARRAY') {
1.750 banghart 10117: foreach my $lock_descriptor(@{$stored_what}) {
10118: if ($lock_descriptor eq 'graded') {
10119: $readonly_files{$file_name} = 'graded';
10120: } elsif ($lock_descriptor eq 'handback') {
10121: $readonly_files{$file_name} = 'handback';
10122: } else {
10123: if (!exists($readonly_files{$file_name})) {
10124: $readonly_files{$file_name} = 'locked';
10125: }
10126: }
1.745 raeburn 10127: }
1.750 banghart 10128: }
1.577 banghart 10129: }
10130: }
10131: }
10132: return %readonly_files;
10133: }
1.559 banghart 10134: # ------------------------------------------------------------ Unmark as Read Only
10135:
10136: sub unmark_as_readonly {
1.629 banghart 10137: # unmarks $file_name (if $file_name is defined), or all files locked by $what
10138: # for portfolio submissions, $what contains [$symb,$crsid]
1.745 raeburn 10139: my ($domain,$user,$what,$file_name,$group) = @_;
1.759 albertel 10140: $file_name = &declutter_portfile($file_name);
1.634 albertel 10141: my $symb_crs = $what;
10142: if (ref($what)) { $symb_crs=join('',@$what); }
1.745 raeburn 10143: my %current_permissions = &dump('file_permissions',$domain,$user,$group);
1.615 albertel 10144: my ($tmp)=keys(%current_permissions);
10145: if ($tmp=~/^error:/) { undef(%current_permissions); }
1.745 raeburn 10146: my @readonly_files = &get_marked_as_readonly($domain,$user,$what,$group);
1.650 albertel 10147: foreach my $file (@readonly_files) {
1.759 albertel 10148: my $clean_file = &declutter_portfile($file);
10149: if (defined($file_name) && ($file_name ne $clean_file)) { next; }
1.650 albertel 10150: my $current_locks = $current_permissions{$file};
1.563 banghart 10151: my @new_locks;
10152: my @del_keys;
10153: if (ref($current_locks) eq "ARRAY"){
10154: foreach my $locker (@{$current_locks}) {
1.632 albertel 10155: my $compare=$locker;
1.749 raeburn 10156: if (ref($locker) eq 'ARRAY') {
1.745 raeburn 10157: $compare=join('',@{$locker});
1.746 raeburn 10158: if ($compare ne $symb_crs) {
10159: push(@new_locks, $locker);
10160: }
1.563 banghart 10161: }
10162: }
1.650 albertel 10163: if (scalar(@new_locks) > 0) {
1.563 banghart 10164: $current_permissions{$file} = \@new_locks;
10165: } else {
10166: push(@del_keys, $file);
1.613 albertel 10167: &del('file_permissions',\@del_keys, $domain, $user);
1.650 albertel 10168: delete($current_permissions{$file});
1.563 banghart 10169: }
10170: }
1.561 banghart 10171: }
1.613 albertel 10172: &put('file_permissions',\%current_permissions,$domain,$user);
1.559 banghart 10173: return;
10174: }
1.512 banghart 10175:
1.17 www 10176: # ------------------------------------------------------------ Directory lister
10177:
10178: sub dirlist {
1.955 raeburn 10179: my ($uri,$userdomain,$username,$getpropath,$getuserdir,$alternateRoot)=@_;
1.18 www 10180: $uri=~s/^\///;
10181: $uri=~s/\/$//;
1.253 stredwic 10182: my ($udom, $uname);
1.955 raeburn 10183: if ($getuserdir) {
1.253 stredwic 10184: $udom = $userdomain;
10185: $uname = $username;
1.955 raeburn 10186: } else {
10187: (undef,$udom,$uname)=split(/\//,$uri);
10188: if(defined($userdomain)) {
10189: $udom = $userdomain;
10190: }
10191: if(defined($username)) {
10192: $uname = $username;
10193: }
1.253 stredwic 10194: }
1.955 raeburn 10195: my ($dirRoot,$listing,@listing_results);
1.253 stredwic 10196:
1.955 raeburn 10197: $dirRoot = $perlvar{'lonDocRoot'};
10198: if (defined($getpropath)) {
10199: $dirRoot = &propath($udom,$uname);
1.253 stredwic 10200: $dirRoot =~ s/\/$//;
1.955 raeburn 10201: } elsif (defined($getuserdir)) {
10202: my $subdir=$uname.'__';
10203: $subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/;
10204: $dirRoot = $Apache::lonnet::perlvar{'lonUsersDir'}
10205: ."/$udom/$subdir/$uname";
10206: } elsif (defined($alternateRoot)) {
10207: $dirRoot = $alternateRoot;
1.751 banghart 10208: }
1.253 stredwic 10209:
10210: if($udom) {
10211: if($uname) {
1.1135 raeburn 10212: my $uhome = &homeserver($uname,$udom);
1.1136 raeburn 10213: if ($uhome eq 'no_host') {
10214: return ([],'no_host');
10215: }
1.955 raeburn 10216: $listing = &reply('ls3:'.&escape('/'.$uri).':'.$getpropath.':'
1.956 raeburn 10217: .$getuserdir.':'.&escape($dirRoot)
1.1135 raeburn 10218: .':'.&escape($uname).':'.&escape($udom),$uhome);
1.955 raeburn 10219: if ($listing eq 'unknown_cmd') {
1.1135 raeburn 10220: $listing = &reply('ls2:'.$dirRoot.'/'.$uri,$uhome);
1.955 raeburn 10221: } else {
10222: @listing_results = map { &unescape($_); } split(/:/,$listing);
10223: }
1.605 matthew 10224: if ($listing eq 'unknown_cmd') {
1.1135 raeburn 10225: $listing = &reply('ls:'.$dirRoot.'/'.$uri,$uhome);
1.605 matthew 10226: @listing_results = split(/:/,$listing);
10227: } else {
10228: @listing_results = map { &unescape($_); } split(/:/,$listing);
10229: }
1.1135 raeburn 10230: if (($listing eq 'no_such_host') || ($listing eq 'con_lost') ||
1.1136 raeburn 10231: ($listing eq 'rejected') || ($listing eq 'refused') ||
10232: ($listing eq 'no_such_dir') || ($listing eq 'empty')) {
10233: return ([],$listing);
10234: } else {
10235: return (\@listing_results);
1.1135 raeburn 10236: }
1.955 raeburn 10237: } elsif(!$alternateRoot) {
1.1136 raeburn 10238: my (%allusers,%listerror);
1.841 albertel 10239: my %servers = &get_servers($udom,'library');
1.955 raeburn 10240: foreach my $tryserver (keys(%servers)) {
10241: $listing = &reply('ls3:'.&escape("/res/$udom").':::::'.
10242: &escape($udom),$tryserver);
10243: if ($listing eq 'unknown_cmd') {
10244: $listing = &reply('ls2:'.$perlvar{'lonDocRoot'}.'/res/'.
10245: $udom, $tryserver);
10246: } else {
10247: @listing_results = map { &unescape($_); } split(/:/,$listing);
10248: }
1.841 albertel 10249: if ($listing eq 'unknown_cmd') {
10250: $listing = &reply('ls:'.$perlvar{'lonDocRoot'}.'/res/'.
10251: $udom, $tryserver);
10252: @listing_results = split(/:/,$listing);
10253: } else {
10254: @listing_results =
10255: map { &unescape($_); } split(/:/,$listing);
10256: }
1.1136 raeburn 10257: if (($listing eq 'no_such_host') || ($listing eq 'con_lost') ||
10258: ($listing eq 'rejected') || ($listing eq 'refused') ||
10259: ($listing eq 'no_such_dir') || ($listing eq 'empty')) {
10260: $listerror{$tryserver} = $listing;
10261: } else {
1.841 albertel 10262: foreach my $line (@listing_results) {
10263: my ($entry) = split(/&/,$line,2);
10264: $allusers{$entry} = 1;
10265: }
10266: }
1.253 stredwic 10267: }
1.1136 raeburn 10268: my @alluserslist=();
1.800 albertel 10269: foreach my $user (sort(keys(%allusers))) {
1.1136 raeburn 10270: push(@alluserslist,$user.'&user');
1.253 stredwic 10271: }
1.1172.2.80 raeburn 10272: if (!%listerror) {
10273: # no errors
10274: return (\@alluserslist);
10275: } elsif (scalar(keys(%servers)) == 1) {
10276: # one library server, one error
10277: my ($key) = keys(%listerror);
10278: return (\@alluserslist, $listerror{$key});
10279: } elsif ( grep { $_ eq 'con_lost' } values(%listerror) ) {
10280: # con_lost indicates that we might miss data from at least one
10281: # library server
10282: return (\@alluserslist, 'con_lost');
10283: } else {
10284: # multiple library servers and no con_lost -> data should be
10285: # complete.
10286: return (\@alluserslist);
10287: }
10288:
1.253 stredwic 10289: } else {
1.1136 raeburn 10290: return ([],'missing username');
1.253 stredwic 10291: }
1.955 raeburn 10292: } elsif(!defined($getpropath)) {
1.1136 raeburn 10293: my $path = $perlvar{'lonDocRoot'}.'/res/';
10294: my @all_domains = map { $path.$_.'/&domain'; } (sort(&all_domains()));
10295: return (\@all_domains);
1.955 raeburn 10296: } else {
1.1136 raeburn 10297: return ([],'missing domain');
1.275 stredwic 10298: }
10299: }
10300:
10301: # --------------------------------------------- GetFileTimestamp
10302: # This function utilizes dirlist and returns the date stamp for
10303: # when it was last modified. It will also return an error of -1
10304: # if an error occurs
10305:
10306: sub GetFileTimestamp {
1.955 raeburn 10307: my ($studentDomain,$studentName,$filename,$getuserdir)=@_;
1.807 albertel 10308: $studentDomain = &LONCAPA::clean_domain($studentDomain);
10309: $studentName = &LONCAPA::clean_username($studentName);
1.1136 raeburn 10310: my ($fileref,$error) = &dirlist($filename,$studentDomain,$studentName,
10311: undef,$getuserdir);
10312: if (($error eq 'empty') || ($error eq 'no_such_dir')) {
10313: return -1;
10314: }
10315: if (ref($fileref) eq 'ARRAY') {
10316: my @stats = split('&',$fileref->[0]);
1.375 matthew 10317: # @stats contains first the filename, then the stat output
10318: return $stats[10]; # so this is 10 instead of 9.
1.275 stredwic 10319: } else {
10320: return -1;
1.253 stredwic 10321: }
1.26 www 10322: }
10323:
1.712 albertel 10324: sub stat_file {
10325: my ($uri) = @_;
1.787 albertel 10326: $uri = &clutter_with_no_wrapper($uri);
1.722 albertel 10327:
1.955 raeburn 10328: my ($udom,$uname,$file);
1.712 albertel 10329: if ($uri =~ m-^/(uploaded|editupload)/-) {
10330: ($udom,$uname,$file) =
1.811 albertel 10331: ($uri =~ m-/(?:uploaded|editupload)/?($match_domain)/?($match_name)/?(.*)-);
1.712 albertel 10332: $file = 'userfiles/'.$file;
10333: }
10334: if ($uri =~ m-^/res/-) {
10335: ($udom,$uname) =
1.807 albertel 10336: ($uri =~ m-/(?:res)/?($match_domain)/?($match_username)/-);
1.712 albertel 10337: $file = $uri;
10338: }
10339:
10340: if (!$udom || !$uname || !$file) {
10341: # unable to handle the uri
10342: return ();
10343: }
1.956 raeburn 10344: my $getpropath;
10345: if ($file =~ /^userfiles\//) {
10346: $getpropath = 1;
10347: }
1.1136 raeburn 10348: my ($listref,$error) = &dirlist($file,$udom,$uname,$getpropath);
10349: if (($error eq 'empty') || ($error eq 'no_such_dir')) {
10350: return ();
10351: } else {
10352: if (ref($listref) eq 'ARRAY') {
10353: my @stats = split('&',$listref->[0]);
10354: shift(@stats); #filename is first
10355: return @stats;
10356: }
1.712 albertel 10357: }
10358: return ();
10359: }
10360:
1.26 www 10361: # -------------------------------------------------------- Value of a Condition
10362:
1.713 albertel 10363: # gets the value of a specific preevaluated condition
10364: # stored in the string $env{user.state.<cid>}
10365: # or looks up a condition reference in the bighash and if if hasn't
10366: # already been evaluated recurses into docondval to get the value of
10367: # the condition, then memoizing it to
10368: # $env{user.state.<cid>.<condition>}
1.40 www 10369: sub directcondval {
10370: my $number=shift;
1.620 albertel 10371: if (!defined($env{'user.state.'.$env{'request.course.id'}})) {
1.555 albertel 10372: &Apache::lonuserstate::evalstate();
10373: }
1.713 albertel 10374: if (exists($env{'user.state.'.$env{'request.course.id'}.".$number"})) {
10375: return $env{'user.state.'.$env{'request.course.id'}.".$number"};
10376: } elsif ($number =~ /^_/) {
10377: my $sub_condition;
10378: if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
10379: &GDBM_READER(),0640)) {
10380: $sub_condition=$bighash{'conditions'.$number};
10381: untie(%bighash);
10382: }
10383: my $value = &docondval($sub_condition);
1.949 raeburn 10384: &appenv({'user.state.'.$env{'request.course.id'}.".$number" => $value});
1.713 albertel 10385: return $value;
10386: }
1.620 albertel 10387: if ($env{'user.state.'.$env{'request.course.id'}}) {
10388: return substr($env{'user.state.'.$env{'request.course.id'}},$number,1);
1.40 www 10389: } else {
10390: return 2;
10391: }
10392: }
10393:
1.713 albertel 10394: # get the collection of conditions for this resource
1.26 www 10395: sub condval {
10396: my $condidx=shift;
1.54 www 10397: my $allpathcond='';
1.713 albertel 10398: foreach my $cond (split(/\|/,$condidx)) {
10399: if (defined($env{'acc.cond.'.$env{'request.course.id'}.'.'.$cond})) {
10400: $allpathcond.=
10401: '('.$env{'acc.cond.'.$env{'request.course.id'}.'.'.$cond}.')|';
10402: }
1.191 harris41 10403: }
1.54 www 10404: $allpathcond=~s/\|$//;
1.713 albertel 10405: return &docondval($allpathcond);
10406: }
10407:
10408: #evaluates an expression of conditions
10409: sub docondval {
10410: my ($allpathcond) = @_;
10411: my $result=0;
10412: if ($env{'request.course.id'}
10413: && defined($allpathcond)) {
10414: my $operand='|';
10415: my @stack;
10416: foreach my $chunk ($allpathcond=~/(\d+|_\d+\.\d+|\(|\)|\&|\|)/g) {
10417: if ($chunk eq '(') {
10418: push @stack,($operand,$result);
10419: } elsif ($chunk eq ')') {
10420: my $before=pop @stack;
10421: if (pop @stack eq '&') {
10422: $result=$result>$before?$before:$result;
10423: } else {
10424: $result=$result>$before?$result:$before;
10425: }
10426: } elsif (($chunk eq '&') || ($chunk eq '|')) {
10427: $operand=$chunk;
10428: } else {
10429: my $new=directcondval($chunk);
10430: if ($operand eq '&') {
10431: $result=$result>$new?$new:$result;
10432: } else {
10433: $result=$result>$new?$result:$new;
10434: }
10435: }
10436: }
1.26 www 10437: }
10438: return $result;
1.421 albertel 10439: }
10440:
10441: # ---------------------------------------------------- Devalidate courseresdata
10442:
10443: sub devalidatecourseresdata {
10444: my ($coursenum,$coursedomain)=@_;
10445: my $hashid=$coursenum.':'.$coursedomain;
1.599 albertel 10446: &devalidate_cache_new('courseres',$hashid);
1.28 www 10447: }
10448:
1.763 www 10449:
1.200 www 10450: # --------------------------------------------------- Course Resourcedata Query
1.878 foxr 10451: #
10452: # Parameters:
10453: # $coursenum - Number of the course.
10454: # $coursedomain - Domain at which the course was created.
10455: # Returns:
10456: # A hash of the course parameters along (I think) with timestamps
10457: # and version info.
1.877 foxr 10458:
1.624 albertel 10459: sub get_courseresdata {
10460: my ($coursenum,$coursedomain)=@_;
1.200 www 10461: my $coursehom=&homeserver($coursenum,$coursedomain);
10462: my $hashid=$coursenum.':'.$coursedomain;
1.599 albertel 10463: my ($result,$cached)=&is_cached_new('courseres',$hashid);
1.624 albertel 10464: my %dumpreply;
1.417 albertel 10465: unless (defined($cached)) {
1.624 albertel 10466: %dumpreply=&dump('resourcedata',$coursedomain,$coursenum);
1.417 albertel 10467: $result=\%dumpreply;
1.251 albertel 10468: my ($tmp) = keys(%dumpreply);
10469: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
1.599 albertel 10470: &do_cache_new('courseres',$hashid,$result,600);
1.306 albertel 10471: } elsif ($tmp =~ /^(con_lost|no_such_host)/) {
10472: return $tmp;
1.416 albertel 10473: } elsif ($tmp =~ /^(error)/) {
1.417 albertel 10474: $result=undef;
1.599 albertel 10475: &do_cache_new('courseres',$hashid,$result,600);
1.250 albertel 10476: }
10477: }
1.624 albertel 10478: return $result;
10479: }
10480:
1.633 albertel 10481: sub devalidateuserresdata {
10482: my ($uname,$udom)=@_;
10483: my $hashid="$udom:$uname";
10484: &devalidate_cache_new('userres',$hashid);
10485: }
10486:
1.624 albertel 10487: sub get_userresdata {
10488: my ($uname,$udom)=@_;
10489: #most student don\'t have any data set, check if there is some data
10490: if (&EXT_cache_status($udom,$uname)) { return undef; }
10491:
10492: my $hashid="$udom:$uname";
10493: my ($result,$cached)=&is_cached_new('userres',$hashid);
10494: if (!defined($cached)) {
10495: my %resourcedata=&dump('resourcedata',$udom,$uname);
10496: $result=\%resourcedata;
10497: &do_cache_new('userres',$hashid,$result,600);
10498: }
10499: my ($tmp)=keys(%$result);
10500: if (($tmp!~/^error\:/) && ($tmp!~/^con_lost/)) {
10501: return $result;
10502: }
10503: #error 2 occurs when the .db doesn't exist
10504: if ($tmp!~/error: 2 /) {
1.1172.2.71 raeburn 10505: if ((!defined($cached)) || ($tmp ne 'con_lost')) {
10506: &logthis("<font color=\"blue\">WARNING:".
10507: " Trying to get resource data for ".
10508: $uname." at ".$udom.": ".
10509: $tmp."</font>");
10510: }
1.624 albertel 10511: } elsif ($tmp=~/error: 2 /) {
1.633 albertel 10512: #&EXT_cache_set($udom,$uname);
10513: &do_cache_new('userres',$hashid,undef,600);
1.636 albertel 10514: undef($tmp); # not really an error so don't send it back
1.624 albertel 10515: }
10516: return $tmp;
10517: }
1.879 foxr 10518: #----------------------------------------------- resdata - return resource data
10519: # Purpose:
10520: # Return resource data for either users or for a course.
10521: # Parameters:
10522: # $name - Course/user name.
10523: # $domain - Name of the domain the user/course is registered on.
1.1172.2.93.4 1(raebur 10524:7): # $type - Type of thing $name is (must be 'course' or 'user')
1.879 foxr 10525: # @which - Array of names of resources desired.
10526: # Returns:
10527: # The value of the first reasource in @which that is found in the
10528: # resource hash.
10529: # Exceptional Conditions:
10530: # If the $type passed in is not valid (not the string 'course' or
10531: # 'user', an undefined reference is returned.
10532: # If none of the resources are found, an undef is returned
1.624 albertel 10533: sub resdata {
10534: my ($name,$domain,$type,@which)=@_;
10535: my $result;
10536: if ($type eq 'course') {
10537: $result=&get_courseresdata($name,$domain);
10538: } elsif ($type eq 'user') {
10539: $result=&get_userresdata($name,$domain);
10540: }
10541: if (!ref($result)) { return $result; }
1.251 albertel 10542: foreach my $item (@which) {
1.1172.2.93.4 1(raebur 10543:7): if (ref($item) eq 'ARRAY') {
10544:7): if (defined($result->{$item->[0]})) {
10545:7): return [$result->{$item->[0]},$item->[1]];
10546:7): }
10547:7): }
1.250 albertel 10548: }
1.291 albertel 10549: return undef;
1.200 www 10550: }
10551:
1.1172.2.93.4 2(raebur 10552:7): sub get_domain_ltitools {
10553:7): my ($cdom) = @_;
10554:7): my %ltitools;
10555:7): my ($result,$cached)=&is_cached_new('ltitools',$cdom);
10556:7): if (defined($cached)) {
10557:7): if (ref($result) eq 'HASH') {
10558:7): %ltitools = %{$result};
10559:7): }
10560:7): } else {
10561:7): my %domconfig = &get_dom('configuration',['ltitools'],$cdom);
10562:7): if (ref($domconfig{'ltitools'}) eq 'HASH') {
10563:7): %ltitools = %{$domconfig{'ltitools'}};
10564:7): my %encdomconfig = &get_dom('encconfig',['ltitools'],$cdom);
10565:7): if (ref($encdomconfig{'ltitools'}) eq 'HASH') {
10566:7): foreach my $id (keys(%ltitools)) {
10567:7): if (ref($encdomconfig{'ltitools'}{$id}) eq 'HASH') {
10568:7): foreach my $item ('key','secret') {
10569:7): $ltitools{$id}{$item} = $encdomconfig{'ltitools'}{$id}{$item};
10570:7): }
10571:7): }
10572:7): }
10573:7): }
10574:7): }
10575:7): my $cachetime = 24*60*60;
10576:7): &do_cache_new('ltitools',$cdom,\%ltitools,$cachetime);
10577:7): }
10578:7): return %ltitools;
10579:7): }
10580:7):
1.1172.2.31 raeburn 10581: sub get_numsuppfiles {
10582: my ($cnum,$cdom,$ignorecache)=@_;
10583: my $hashid=$cnum.':'.$cdom;
10584: my ($suppcount,$cached);
10585: unless ($ignorecache) {
10586: ($suppcount,$cached) = &is_cached_new('suppcount',$hashid);
10587: }
10588: unless (defined($cached)) {
10589: my $chome=&homeserver($cnum,$cdom);
10590: unless ($chome eq 'no_host') {
10591: ($suppcount,my $errors) = (0,0);
10592: my $suppmap = 'supplemental.sequence';
10593: ($suppcount,$errors) =
10594: &Apache::loncommon::recurse_supplemental($cnum,$cdom,$suppmap,$suppcount,$errors);
10595: }
10596: &do_cache_new('suppcount',$hashid,$suppcount,600);
10597: }
10598: return $suppcount;
10599: }
10600:
1.379 matthew 10601: #
10602: # EXT resource caching routines
10603: #
10604:
10605: sub clear_EXT_cache_status {
1.383 albertel 10606: &delenv('cache.EXT.');
1.379 matthew 10607: }
10608:
10609: sub EXT_cache_status {
10610: my ($target_domain,$target_user) = @_;
1.383 albertel 10611: my $cachename = 'cache.EXT.'.$target_user.'.'.$target_domain;
1.620 albertel 10612: if (exists($env{$cachename}) && ($env{$cachename}+600) > time) {
1.379 matthew 10613: # We know already the user has no data
10614: return 1;
10615: } else {
10616: return 0;
10617: }
10618: }
10619:
10620: sub EXT_cache_set {
10621: my ($target_domain,$target_user) = @_;
1.383 albertel 10622: my $cachename = 'cache.EXT.'.$target_user.'.'.$target_domain;
1.949 raeburn 10623: #&appenv({$cachename => time});
1.379 matthew 10624: }
10625:
1.28 www 10626: # --------------------------------------------------------- Value of a Variable
1.58 www 10627: sub EXT {
1.715 albertel 10628:
1.1172.2.28 raeburn 10629: my ($varname,$symbparm,$udom,$uname,$usection,$recurse,$cid)=@_;
1.68 www 10630: unless ($varname) { return ''; }
1.218 albertel 10631: #get real user name/domain, courseid and symb
10632: my $courseid;
1.359 albertel 10633: my $publicuser;
1.427 www 10634: if ($symbparm) {
10635: $symbparm=&get_symb_from_alias($symbparm);
10636: }
1.218 albertel 10637: if (!($uname && $udom)) {
1.790 albertel 10638: (my $cursymb,$courseid,$udom,$uname,$publicuser)= &whichuser($symbparm);
1.218 albertel 10639: if (!$symbparm) { $symbparm=$cursymb; }
10640: } else {
1.620 albertel 10641: $courseid=$env{'request.course.id'};
1.218 albertel 10642: }
1.48 www 10643: my ($realm,$space,$qualifier,@therest)=split(/\./,$varname);
10644: my $rest;
1.320 albertel 10645: if (defined($therest[0])) {
1.48 www 10646: $rest=join('.',@therest);
10647: } else {
10648: $rest='';
10649: }
1.320 albertel 10650:
1.57 www 10651: my $qualifierrest=$qualifier;
10652: if ($rest) { $qualifierrest.='.'.$rest; }
10653: my $spacequalifierrest=$space;
10654: if ($qualifierrest) { $spacequalifierrest.='.'.$qualifierrest; }
1.28 www 10655: if ($realm eq 'user') {
1.48 www 10656: # --------------------------------------------------------------- user.resource
10657: if ($space eq 'resource') {
1.651 albertel 10658: if ( (defined($Apache::lonhomework::parsing_a_problem)
10659: || defined($Apache::lonhomework::parsing_a_task))
10660: &&
1.744 albertel 10661: ($symbparm eq &symbread()) ) {
10662: # if we are in the middle of processing the resource the
10663: # get the value we are planning on committing
10664: if (defined($Apache::lonhomework::results{$qualifierrest})) {
10665: return $Apache::lonhomework::results{$qualifierrest};
10666: } else {
10667: return $Apache::lonhomework::history{$qualifierrest};
10668: }
1.335 albertel 10669: } else {
1.359 albertel 10670: my %restored;
1.620 albertel 10671: if ($publicuser || $env{'request.state'} eq 'construct') {
1.359 albertel 10672: %restored=&tmprestore($symbparm,$courseid,$udom,$uname);
10673: } else {
10674: %restored=&restore($symbparm,$courseid,$udom,$uname);
10675: }
1.335 albertel 10676: return $restored{$qualifierrest};
10677: }
1.48 www 10678: # ----------------------------------------------------------------- user.access
10679: } elsif ($space eq 'access') {
1.218 albertel 10680: # FIXME - not supporting calls for a specific user
1.48 www 10681: return &allowed($qualifier,$rest);
10682: # ------------------------------------------ user.preferences, user.environment
10683: } elsif (($space eq 'preferences') || ($space eq 'environment')) {
1.620 albertel 10684: if (($uname eq $env{'user.name'}) &&
10685: ($udom eq $env{'user.domain'})) {
10686: return $env{join('.',('environment',$qualifierrest))};
1.218 albertel 10687: } else {
1.359 albertel 10688: my %returnhash;
10689: if (!$publicuser) {
10690: %returnhash=&userenvironment($udom,$uname,
10691: $qualifierrest);
10692: }
1.218 albertel 10693: return $returnhash{$qualifierrest};
10694: }
1.48 www 10695: # ----------------------------------------------------------------- user.course
10696: } elsif ($space eq 'course') {
1.218 albertel 10697: # FIXME - not supporting calls for a specific user
1.620 albertel 10698: return $env{join('.',('request.course',$qualifier))};
1.48 www 10699: # ------------------------------------------------------------------- user.role
10700: } elsif ($space eq 'role') {
1.218 albertel 10701: # FIXME - not supporting calls for a specific user
1.620 albertel 10702: my ($role,$where)=split(/\./,$env{'request.role'});
1.48 www 10703: if ($qualifier eq 'value') {
10704: return $role;
10705: } elsif ($qualifier eq 'extent') {
10706: return $where;
10707: }
10708: # ----------------------------------------------------------------- user.domain
10709: } elsif ($space eq 'domain') {
1.218 albertel 10710: return $udom;
1.48 www 10711: # ------------------------------------------------------------------- user.name
10712: } elsif ($space eq 'name') {
1.218 albertel 10713: return $uname;
1.48 www 10714: # ---------------------------------------------------- Any other user namespace
1.29 www 10715: } else {
1.359 albertel 10716: my %reply;
10717: if (!$publicuser) {
10718: %reply=&get($space,[$qualifierrest],$udom,$uname);
10719: }
10720: return $reply{$qualifierrest};
1.48 www 10721: }
1.236 www 10722: } elsif ($realm eq 'query') {
10723: # ---------------------------------------------- pull stuff out of query string
1.384 albertel 10724: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
10725: [$spacequalifierrest]);
1.620 albertel 10726: return $env{'form.'.$spacequalifierrest};
1.236 www 10727: } elsif ($realm eq 'request') {
1.48 www 10728: # ------------------------------------------------------------- request.browser
10729: if ($space eq 'browser') {
1.1145 bisitz 10730: return $env{'browser.'.$qualifier};
1.57 www 10731: # ------------------------------------------------------------ request.filename
10732: } else {
1.620 albertel 10733: return $env{'request.'.$spacequalifierrest};
1.29 www 10734: }
1.28 www 10735: } elsif ($realm eq 'course') {
1.48 www 10736: # ---------------------------------------------------------- course.description
1.620 albertel 10737: return $env{'course.'.$courseid.'.'.$spacequalifierrest};
1.57 www 10738: } elsif ($realm eq 'resource') {
1.165 www 10739:
1.620 albertel 10740: if (defined($courseid) && $courseid eq $env{'request.course.id'}) {
1.539 albertel 10741: if (!$symbparm) { $symbparm=&symbread(); }
10742: }
1.693 albertel 10743:
1.1172.2.30 raeburn 10744: if ($qualifier eq '') {
10745: if ($space eq 'title') {
10746: if (!$symbparm) { $symbparm = $env{'request.filename'}; }
10747: return &gettitle($symbparm);
10748: }
1.693 albertel 10749:
1.1172.2.30 raeburn 10750: if ($space eq 'map') {
10751: my ($map) = &decode_symb($symbparm);
10752: return &symbread($map);
10753: }
10754: if ($space eq 'maptitle') {
10755: my ($map) = &decode_symb($symbparm);
10756: return &gettitle($map);
10757: }
10758: if ($space eq 'filename') {
10759: if ($symbparm) {
10760: return &clutter((&decode_symb($symbparm))[2]);
10761: }
10762: return &hreflocation('',$env{'request.filename'});
1.905 albertel 10763: }
1.1172.2.30 raeburn 10764:
10765: if ((defined($courseid)) && ($courseid eq $env{'request.course.id'}) && $symbparm) {
10766: if ($space eq 'visibleparts') {
10767: my $navmap = Apache::lonnavmaps::navmap->new();
10768: my $item;
10769: if (ref($navmap)) {
10770: my $res = $navmap->getBySymb($symbparm);
10771: my $parts = $res->parts();
10772: if (ref($parts) eq 'ARRAY') {
10773: $item = join(',',@{$parts});
10774: }
10775: undef($navmap);
10776: }
10777: return $item;
10778: }
10779: }
10780: }
1.693 albertel 10781:
10782: my ($section, $group, @groups);
1.593 albertel 10783: my ($courselevelm,$courselevel);
1.1172.2.28 raeburn 10784: if (($courseid eq '') && ($cid)) {
10785: $courseid = $cid;
10786: }
10787: if (($symbparm && $courseid) &&
10788: (($courseid eq $env{'request.course.id'}) || ($courseid eq $cid))) {
1.165 www 10789:
1.218 albertel 10790: #print '<br>'.$space.' - '.$qualifier.' - '.$spacequalifierrest;
1.165 www 10791:
1.60 www 10792: # ----------------------------------------------------- Cascading lookup scheme
1.218 albertel 10793: my $symbp=$symbparm;
1.735 albertel 10794: my $mapp=&deversion((&decode_symb($symbp))[0]);
1.218 albertel 10795:
10796: my $symbparm=$symbp.'.'.$spacequalifierrest;
10797: my $mapparm=$mapp.'___(all).'.$spacequalifierrest;
10798:
1.620 albertel 10799: if (($env{'user.name'} eq $uname) &&
10800: ($env{'user.domain'} eq $udom)) {
10801: $section=$env{'request.course.sec'};
1.733 raeburn 10802: @groups = split(/:/,$env{'request.course.groups'});
10803: @groups=&sort_course_groups($courseid,@groups);
1.218 albertel 10804: } else {
1.539 albertel 10805: if (! defined($usection)) {
1.551 albertel 10806: $section=&getsection($udom,$uname,$courseid);
1.539 albertel 10807: } else {
10808: $section = $usection;
10809: }
1.733 raeburn 10810: @groups = &get_users_groups($udom,$uname,$courseid);
1.218 albertel 10811: }
10812:
10813: my $seclevel=$courseid.'.['.$section.'].'.$spacequalifierrest;
10814: my $seclevelr=$courseid.'.['.$section.'].'.$symbparm;
10815: my $seclevelm=$courseid.'.['.$section.'].'.$mapparm;
10816:
1.593 albertel 10817: $courselevel=$courseid.'.'.$spacequalifierrest;
1.218 albertel 10818: my $courselevelr=$courseid.'.'.$symbparm;
1.593 albertel 10819: $courselevelm=$courseid.'.'.$mapparm;
1.69 www 10820:
1.60 www 10821: # ----------------------------------------------------------- first, check user
1.624 albertel 10822:
10823: my $userreply=&resdata($uname,$udom,'user',
1.927 albertel 10824: ([$courselevelr,'resource'],
10825: [$courselevelm,'map' ],
10826: [$courselevel, 'course' ]));
1.931 albertel 10827: if (defined($userreply)) { return &get_reply($userreply); }
1.95 www 10828:
1.594 albertel 10829: # ------------------------------------------------ second, check some of course
1.684 raeburn 10830: my $coursereply;
1.691 raeburn 10831: if (@groups > 0) {
10832: $coursereply = &check_group_parms($courseid,\@groups,$symbparm,
10833: $mapparm,$spacequalifierrest);
1.927 albertel 10834: if (defined($coursereply)) { return &get_reply($coursereply); }
1.684 raeburn 10835: }
1.96 www 10836:
1.684 raeburn 10837: $coursereply=&resdata($env{'course.'.$courseid.'.num'},
1.927 albertel 10838: $env{'course.'.$courseid.'.domain'},
10839: 'course',
10840: ([$seclevelr, 'resource'],
10841: [$seclevelm, 'map' ],
10842: [$seclevel, 'course' ],
10843: [$courselevelr,'resource']));
10844: if (defined($coursereply)) { return &get_reply($coursereply); }
1.200 www 10845:
1.60 www 10846: # ------------------------------------------------------ third, check map parms
1.218 albertel 10847: my %parmhash=();
10848: my $thisparm='';
10849: if (tie(%parmhash,'GDBM_File',
1.620 albertel 10850: $env{'request.course.fn'}.'_parms.db',
1.256 albertel 10851: &GDBM_READER(),0640)) {
1.218 albertel 10852: $thisparm=$parmhash{$symbparm};
10853: untie(%parmhash);
10854: }
1.927 albertel 10855: if ($thisparm) { return &get_reply([$thisparm,'resource']); }
1.218 albertel 10856: }
1.594 albertel 10857: # ------------------------------------------ fourth, look in resource metadata
1.71 www 10858:
1.218 albertel 10859: $spacequalifierrest=~s/\./\_/;
1.282 albertel 10860: my $filename;
10861: if (!$symbparm) { $symbparm=&symbread(); }
10862: if ($symbparm) {
1.409 www 10863: $filename=(&decode_symb($symbparm))[2];
1.282 albertel 10864: } else {
1.620 albertel 10865: $filename=$env{'request.filename'};
1.282 albertel 10866: }
10867: my $metadata=&metadata($filename,$spacequalifierrest);
1.927 albertel 10868: if (defined($metadata)) { return &get_reply([$metadata,'resource']); }
1.282 albertel 10869: $metadata=&metadata($filename,'parameter_'.$spacequalifierrest);
1.927 albertel 10870: if (defined($metadata)) { return &get_reply([$metadata,'resource']); }
1.142 www 10871:
1.927 albertel 10872: # ---------------------------------------------- fourth, look in rest of course
1.593 albertel 10873: if ($symbparm && defined($courseid) &&
1.620 albertel 10874: $courseid eq $env{'request.course.id'}) {
1.624 albertel 10875: my $coursereply=&resdata($env{'course.'.$courseid.'.num'},
10876: $env{'course.'.$courseid.'.domain'},
10877: 'course',
1.927 albertel 10878: ([$courselevelm,'map' ],
10879: [$courselevel, 'course']));
10880: if (defined($coursereply)) { return &get_reply($coursereply); }
1.593 albertel 10881: }
1.145 www 10882: # ------------------------------------------------------------------ Cascade up
1.218 albertel 10883: unless ($space eq '0') {
1.336 albertel 10884: my @parts=split(/_/,$space);
10885: my $id=pop(@parts);
10886: my $part=join('_',@parts);
10887: if ($part eq '') { $part='0'; }
1.927 albertel 10888: my @partgeneral=&EXT('resource.'.$part.'.'.$qualifierrest,
1.395 albertel 10889: $symbparm,$udom,$uname,$section,1);
1.938 raeburn 10890: if (defined($partgeneral[0])) { return &get_reply(\@partgeneral); }
1.218 albertel 10891: }
1.395 albertel 10892: if ($recurse) { return undef; }
10893: my $pack_def=&packages_tab_default($filename,$varname);
1.927 albertel 10894: if (defined($pack_def)) { return &get_reply([$pack_def,'resource']); }
1.48 www 10895: # ---------------------------------------------------- Any other user namespace
10896: } elsif ($realm eq 'environment') {
10897: # ----------------------------------------------------------------- environment
1.620 albertel 10898: if (($uname eq $env{'user.name'})&&($udom eq $env{'user.domain'})) {
10899: return $env{'environment.'.$spacequalifierrest};
1.219 albertel 10900: } else {
1.770 albertel 10901: if ($uname eq 'anonymous' && $udom eq '') {
10902: return '';
10903: }
1.219 albertel 10904: my %returnhash=&userenvironment($udom,$uname,
10905: $spacequalifierrest);
10906: return $returnhash{$spacequalifierrest};
10907: }
1.28 www 10908: } elsif ($realm eq 'system') {
1.48 www 10909: # ----------------------------------------------------------------- system.time
10910: if ($space eq 'time') {
10911: return time;
10912: }
1.696 albertel 10913: } elsif ($realm eq 'server') {
10914: # ----------------------------------------------------------------- system.time
10915: if ($space eq 'name') {
10916: return $ENV{'SERVER_NAME'};
10917: }
1.28 www 10918: }
1.48 www 10919: return '';
1.61 www 10920: }
10921:
1.927 albertel 10922: sub get_reply {
10923: my ($reply_value) = @_;
1.940 raeburn 10924: if (ref($reply_value) eq 'ARRAY') {
10925: if (wantarray) {
10926: return @$reply_value;
10927: }
10928: return $reply_value->[0];
10929: } else {
10930: return $reply_value;
1.927 albertel 10931: }
10932: }
10933:
1.691 raeburn 10934: sub check_group_parms {
10935: my ($courseid,$groups,$symbparm,$mapparm,$what) = @_;
10936: my @groupitems = ();
10937: my $resultitem;
1.927 albertel 10938: my @levels = ([$symbparm,'resource'],[$mapparm,'map'],[$what,'course']);
1.691 raeburn 10939: foreach my $group (@{$groups}) {
10940: foreach my $level (@levels) {
1.927 albertel 10941: my $item = $courseid.'.['.$group.'].'.$level->[0];
10942: push(@groupitems,[$item,$level->[1]]);
1.691 raeburn 10943: }
10944: }
10945: my $coursereply = &resdata($env{'course.'.$courseid.'.num'},
10946: $env{'course.'.$courseid.'.domain'},
10947: 'course',@groupitems);
10948: return $coursereply;
10949: }
10950:
10951: sub sort_course_groups { # Sort groups based on defined rankings. Default is sort().
1.733 raeburn 10952: my ($courseid,@groups) = @_;
10953: @groups = sort(@groups);
1.691 raeburn 10954: return @groups;
10955: }
10956:
1.395 albertel 10957: sub packages_tab_default {
10958: my ($uri,$varname)=@_;
10959: my (undef,$part,$name)=split(/\./,$varname);
1.738 albertel 10960:
10961: my (@extension,@specifics,$do_default);
10962: foreach my $package (split(/,/,&metadata($uri,'packages'))) {
1.395 albertel 10963: my ($pack_type,$pack_part)=split(/_/,$package,2);
1.738 albertel 10964: if ($pack_type eq 'default') {
10965: $do_default=1;
10966: } elsif ($pack_type eq 'extension') {
10967: push(@extension,[$package,$pack_type,$pack_part]);
1.885 albertel 10968: } elsif ($pack_part eq $part || $pack_type eq 'part') {
1.848 albertel 10969: # only look at packages defaults for packages that this id is
1.738 albertel 10970: push(@specifics,[$package,$pack_type,$pack_part]);
10971: }
10972: }
10973: # first look for a package that matches the requested part id
10974: foreach my $package (@specifics) {
10975: my (undef,$pack_type,$pack_part)=@{$package};
10976: next if ($pack_part ne $part);
10977: if (defined($packagetab{"$pack_type&$name&default"})) {
10978: return $packagetab{"$pack_type&$name&default"};
10979: }
10980: }
10981: # look for any possible matching non extension_ package
10982: foreach my $package (@specifics) {
10983: my (undef,$pack_type,$pack_part)=@{$package};
1.468 albertel 10984: if (defined($packagetab{"$pack_type&$name&default"})) {
10985: return $packagetab{"$pack_type&$name&default"};
10986: }
1.585 albertel 10987: if ($pack_type eq 'part') { $pack_part='0'; }
1.468 albertel 10988: if (defined($packagetab{$pack_type."_".$pack_part."&$name&default"})) {
10989: return $packagetab{$pack_type."_".$pack_part."&$name&default"};
1.395 albertel 10990: }
10991: }
1.738 albertel 10992: # look for any posible extension_ match
10993: foreach my $package (@extension) {
10994: my ($package,$pack_type)=@{$package};
10995: if (defined($packagetab{"$pack_type&$name&default"})) {
10996: return $packagetab{"$pack_type&$name&default"};
10997: }
10998: if (defined($packagetab{$package."&$name&default"})) {
10999: return $packagetab{$package."&$name&default"};
11000: }
11001: }
11002: # look for a global default setting
11003: if ($do_default && defined($packagetab{"default&$name&default"})) {
11004: return $packagetab{"default&$name&default"};
11005: }
1.395 albertel 11006: return undef;
11007: }
11008:
1.334 albertel 11009: sub add_prefix_and_part {
11010: my ($prefix,$part)=@_;
11011: my $keyroot;
11012: if (defined($prefix) && $prefix !~ /^__/) {
11013: # prefix that has a part already
11014: $keyroot=$prefix;
11015: } elsif (defined($prefix)) {
11016: # prefix that is missing a part
11017: if (defined($part)) { $keyroot='_'.$part.substr($prefix,1); }
11018: } else {
11019: # no prefix at all
11020: if (defined($part)) { $keyroot='_'.$part; }
11021: }
11022: return $keyroot;
11023: }
11024:
1.71 www 11025: # ---------------------------------------------------------------- Get metadata
11026:
1.599 albertel 11027: my %metaentry;
1.1070 www 11028: my %importedpartids;
1.71 www 11029: sub metadata {
1.176 www 11030: my ($uri,$what,$liburi,$prefix,$depthcount)=@_;
1.71 www 11031: $uri=&declutter($uri);
1.288 albertel 11032: # if it is a non metadata possible uri return quickly
1.529 albertel 11033: if (($uri eq '') ||
11034: (($uri =~ m|^/*adm/|) &&
1.1172.2.93.4 2(raebur 11035:7): ($uri !~ m|^adm/includes|) && ($uri !~ m{/(smppg|bulletinboard|ext\.tool)$})) ||
1.1108 raeburn 11036: ($uri =~ m|/$|) || ($uri =~ m|/.meta$|) || ($uri =~ m{^/*uploaded/.+\.sequence$})) {
1.924 albertel 11037: return undef;
11038: }
1.1172.2.49 raeburn 11039: if (($uri =~ /^priv/ || $uri=~m{^home/httpd/html/priv})
1.924 albertel 11040: && &Apache::lonxml::get_state('target') =~ /^(|meta)$/) {
1.468 albertel 11041: return undef;
1.288 albertel 11042: }
1.73 www 11043: my $filename=$uri;
11044: $uri=~s/\.meta$//;
1.172 www 11045: #
11046: # Is the metadata already cached?
1.177 www 11047: # Look at timestamp of caching
1.172 www 11048: # Everything is cached by the main uri, libraries are never directly cached
11049: #
1.428 albertel 11050: if (!defined($liburi)) {
1.599 albertel 11051: my ($result,$cached)=&is_cached_new('meta',$uri);
1.428 albertel 11052: if (defined($cached)) { return $result->{':'.$what}; }
11053: }
11054: {
1.1069 www 11055: # Imported parts would go here
1.1070 www 11056: my %importedids=();
11057: my @origfileimportpartids=();
1.1069 www 11058: my $importedparts=0;
1.172 www 11059: #
11060: # Is this a recursive call for a library?
11061: #
1.599 albertel 11062: # if (! exists($metacache{$uri})) {
11063: # $metacache{$uri}={};
11064: # }
1.924 albertel 11065: my $cachetime = 60*60;
1.171 www 11066: if ($liburi) {
11067: $liburi=&declutter($liburi);
11068: $filename=$liburi;
1.401 bowersj2 11069: } else {
1.599 albertel 11070: &devalidate_cache_new('meta',$uri);
11071: undef(%metaentry);
1.401 bowersj2 11072: }
1.140 www 11073: my %metathesekeys=();
1.73 www 11074: unless ($filename=~/\.meta$/) { $filename.='.meta'; }
1.489 albertel 11075: my $metastring;
1.1140 www 11076: if ($uri =~ /^priv/ || $uri=~/home\/httpd\/html\/priv/) {
1.929 albertel 11077: my $which = &hreflocation('','/'.($liburi || $uri));
1.924 albertel 11078: $metastring =
1.929 albertel 11079: &Apache::lonnet::ssi_body($which,
1.924 albertel 11080: ('grade_target' => 'meta'));
11081: $cachetime = 1; # only want this cached in the child not long term
1.1108 raeburn 11082: } elsif (($uri !~ m -^(editupload)/-) &&
11083: ($uri !~ m{^/*uploaded/$match_domain/$match_courseid/docs/})) {
1.543 albertel 11084: my $file=&filelocation('',&clutter($filename));
1.599 albertel 11085: #push(@{$metaentry{$uri.'.file'}},$file);
1.543 albertel 11086: $metastring=&getfile($file);
1.489 albertel 11087: }
1.208 albertel 11088: my $parser=HTML::LCParser->new(\$metastring);
1.71 www 11089: my $token;
1.140 www 11090: undef %metathesekeys;
1.71 www 11091: while ($token=$parser->get_token) {
1.339 albertel 11092: if ($token->[0] eq 'S') {
11093: if (defined($token->[2]->{'package'})) {
1.172 www 11094: #
11095: # This is a package - get package info
11096: #
1.339 albertel 11097: my $package=$token->[2]->{'package'};
11098: my $keyroot=&add_prefix_and_part($prefix,$token->[2]->{'part'});
11099: if (defined($token->[2]->{'id'})) {
11100: $keyroot.='_'.$token->[2]->{'id'};
11101: }
1.599 albertel 11102: if ($metaentry{':packages'}) {
11103: $metaentry{':packages'}.=','.$package.$keyroot;
1.339 albertel 11104: } else {
1.599 albertel 11105: $metaentry{':packages'}=$package.$keyroot;
1.339 albertel 11106: }
1.736 albertel 11107: foreach my $pack_entry (keys(%packagetab)) {
1.432 albertel 11108: my $part=$keyroot;
11109: $part=~s/^\_//;
1.736 albertel 11110: if ($pack_entry=~/^\Q$package\E\&/ ||
11111: $pack_entry=~/^\Q$package\E_0\&/) {
11112: my ($pack,$name,$subp)=split(/\&/,$pack_entry);
1.395 albertel 11113: # ignore package.tab specified default values
11114: # here &package_tab_default() will fetch those
11115: if ($subp eq 'default') { next; }
1.736 albertel 11116: my $value=$packagetab{$pack_entry};
1.432 albertel 11117: my $unikey;
11118: if ($pack =~ /_0$/) {
11119: $unikey='parameter_0_'.$name;
11120: $part=0;
11121: } else {
11122: $unikey='parameter'.$keyroot.'_'.$name;
11123: }
1.339 albertel 11124: if ($subp eq 'display') {
11125: $value.=' [Part: '.$part.']';
11126: }
1.599 albertel 11127: $metaentry{':'.$unikey.'.part'}=$part;
1.395 albertel 11128: $metathesekeys{$unikey}=1;
1.599 albertel 11129: unless (defined($metaentry{':'.$unikey.'.'.$subp})) {
11130: $metaentry{':'.$unikey.'.'.$subp}=$value;
1.339 albertel 11131: }
1.599 albertel 11132: if (defined($metaentry{':'.$unikey.'.default'})) {
11133: $metaentry{':'.$unikey}=
11134: $metaentry{':'.$unikey.'.default'};
1.356 albertel 11135: }
1.339 albertel 11136: }
11137: }
11138: } else {
1.172 www 11139: #
11140: # This is not a package - some other kind of start tag
1.339 albertel 11141: #
11142: my $entry=$token->[1];
1.1068 www 11143: my $unikey='';
1.175 www 11144:
1.339 albertel 11145: if ($entry eq 'import') {
1.175 www 11146: #
11147: # Importing a library here
1.339 albertel 11148: #
1.1067 www 11149: my $location=$parser->get_text('/import');
11150: my $dir=$filename;
11151: $dir=~s|[^/]*$||;
11152: $location=&filelocation($dir,$location);
1.1069 www 11153:
1.1068 www 11154: my $importmode=$token->[2]->{'importmode'};
11155: if ($importmode eq 'problem') {
1.1069 www 11156: # Import as problem/response
1.1068 www 11157: $unikey=&add_prefix_and_part($prefix,$token->[2]->{'part'});
11158: } elsif ($importmode eq 'part') {
11159: # Import as part(s)
1.1069 www 11160: $importedparts=1;
11161: # We need to get the original file and the imported file to get the part order correct
11162: # Good news: we do not need to worry about nested libraries, since parts cannot be nested
11163: # Load and inspect original file
1.1070 www 11164: if ($#origfileimportpartids<0) {
11165: undef(%importedpartids);
11166: my $origfilelocation=$perlvar{'lonDocRoot'}.&clutter($uri);
11167: my $origfile=&getfile($origfilelocation);
11168: @origfileimportpartids=($origfile=~/<(part|import)[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs);
11169: }
11170:
1.1069 www 11171: # Load and inspect imported file
11172: my $impfile=&getfile($location);
11173: my @impfilepartids=($impfile=~/<part[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs);
11174: if ($#impfilepartids>=0) {
11175: # This problem had parts
1.1070 www 11176: $importedpartids{$token->[2]->{'id'}}=join(',',@impfilepartids);
1.1069 www 11177: } else {
11178: # Importing by turning a single problem into a problem part
11179: # It gets the import-tags ID as part-ID
11180: $unikey=&add_prefix_and_part($prefix,$token->[2]->{'id'});
1.1070 www 11181: $importedpartids{$token->[2]->{'id'}}=$token->[2]->{'id'};
1.1069 www 11182: }
1.1068 www 11183: } else {
11184: # Normal import
11185: $unikey=&add_prefix_and_part($prefix,$token->[2]->{'part'});
11186: if (defined($token->[2]->{'id'})) {
11187: $unikey.='_'.$token->[2]->{'id'};
11188: }
1.1067 www 11189: }
11190:
1.339 albertel 11191: if ($depthcount<20) {
1.736 albertel 11192: my $metadata =
11193: &metadata($uri,'keys', $location,$unikey,
11194: $depthcount+1);
11195: foreach my $meta (split(',',$metadata)) {
11196: $metaentry{':'.$meta}=$metaentry{':'.$meta};
11197: $metathesekeys{$meta}=1;
1.339 albertel 11198: }
1.1068 www 11199:
11200: }
1.1067 www 11201: } else {
11202: #
11203: # Not importing, some other kind of non-package, non-library start tag
11204: #
11205: $unikey=$entry.&add_prefix_and_part($prefix,$token->[2]->{'part'});
11206: if (defined($token->[2]->{'id'})) {
11207: $unikey.='_'.$token->[2]->{'id'};
11208: }
1.339 albertel 11209: if (defined($token->[2]->{'name'})) {
11210: $unikey.='_'.$token->[2]->{'name'};
11211: }
11212: $metathesekeys{$unikey}=1;
1.736 albertel 11213: foreach my $param (@{$token->[3]}) {
11214: $metaentry{':'.$unikey.'.'.$param} =
11215: $token->[2]->{$param};
1.339 albertel 11216: }
11217: my $internaltext=&HTML::Entities::decode($parser->get_text('/'.$entry));
1.599 albertel 11218: my $default=$metaentry{':'.$unikey.'.default'};
1.339 albertel 11219: if ( $internaltext =~ /^\s*$/ && $default !~ /^\s*$/) {
11220: # only ws inside the tag, and not in default, so use default
11221: # as value
1.599 albertel 11222: $metaentry{':'.$unikey}=$default;
1.908 albertel 11223: } elsif ( $internaltext =~ /\S/ ) {
11224: # something interesting inside the tag
11225: $metaentry{':'.$unikey}=$internaltext;
1.339 albertel 11226: } else {
1.908 albertel 11227: # no interesting values, don't set a default
1.339 albertel 11228: }
1.172 www 11229: # end of not-a-package not-a-library import
1.339 albertel 11230: }
1.172 www 11231: # end of not-a-package start tag
1.339 albertel 11232: }
1.172 www 11233: # the next is the end of "start tag"
1.339 albertel 11234: }
11235: }
1.483 albertel 11236: my ($extension) = ($uri =~ /\.(\w+)$/);
1.883 albertel 11237: $extension = lc($extension);
11238: if ($extension eq 'htm') { $extension='html'; }
11239:
1.737 albertel 11240: foreach my $key (keys(%packagetab)) {
1.483 albertel 11241: #no specific packages #how's our extension
11242: if ($key!~/^extension_\Q$extension\E&/) { next; }
1.488 albertel 11243: &metadata_create_package_def($uri,$key,'extension_'.$extension,
1.483 albertel 11244: \%metathesekeys);
11245: }
1.883 albertel 11246:
11247: if (!exists($metaentry{':packages'})
11248: || $packagetab{"import_defaults&extension_$extension"}) {
1.737 albertel 11249: foreach my $key (keys(%packagetab)) {
1.483 albertel 11250: #no specific packages well let's get default then
11251: if ($key!~/^default&/) { next; }
1.488 albertel 11252: &metadata_create_package_def($uri,$key,'default',
1.483 albertel 11253: \%metathesekeys);
11254: }
11255: }
1.338 www 11256: # are there custom rights to evaluate
1.599 albertel 11257: if ($metaentry{':copyright'} eq 'custom') {
1.339 albertel 11258:
1.338 www 11259: #
11260: # Importing a rights file here
1.339 albertel 11261: #
11262: unless ($depthcount) {
1.599 albertel 11263: my $location=$metaentry{':customdistributionfile'};
1.339 albertel 11264: my $dir=$filename;
11265: $dir=~s|[^/]*$||;
11266: $location=&filelocation($dir,$location);
1.736 albertel 11267: my $rights_metadata =
11268: &metadata($uri,'keys',$location,'_rights',
11269: $depthcount+1);
11270: foreach my $rights (split(',',$rights_metadata)) {
11271: #$metaentry{':'.$rights}=$metacache{$uri}->{':'.$rights};
11272: $metathesekeys{$rights}=1;
1.339 albertel 11273: }
11274: }
11275: }
1.737 albertel 11276: # uniqifiy package listing
11277: my %seen;
11278: my @uniq_packages =
11279: grep { ! $seen{$_} ++ } (split(',',$metaentry{':packages'}));
11280: $metaentry{':packages'} = join(',',@uniq_packages);
11281:
1.1070 www 11282: if ($importedparts) {
11283: # We had imported parts and need to rebuild partorder
11284: $metaentry{':partorder'}='';
11285: $metathesekeys{'partorder'}=1;
11286: for (my $index=0;$index<$#origfileimportpartids;$index+=2) {
11287: if ($origfileimportpartids[$index] eq 'part') {
11288: # original part, part of the problem
11289: $metaentry{':partorder'}.=','.$origfileimportpartids[$index+1];
11290: } else {
11291: # we have imported parts at this position
11292: $metaentry{':partorder'}.=','.$importedpartids{$origfileimportpartids[$index+1]};
11293: }
11294: }
11295: $metaentry{':partorder'}=~s/^\,//;
11296: }
11297:
1.737 albertel 11298: $metaentry{':keys'} = join(',',keys(%metathesekeys));
1.599 albertel 11299: &metadata_generate_part0(\%metathesekeys,\%metaentry,$uri);
1.1172.2.58 raeburn 11300: $metaentry{':allpossiblekeys'}=join(',',keys(%metathesekeys));
1.924 albertel 11301: &do_cache_new('meta',$uri,\%metaentry,$cachetime);
1.177 www 11302: # this is the end of "was not already recently cached
1.71 www 11303: }
1.599 albertel 11304: return $metaentry{':'.$what};
1.261 albertel 11305: }
11306:
1.488 albertel 11307: sub metadata_create_package_def {
1.483 albertel 11308: my ($uri,$key,$package,$metathesekeys)=@_;
11309: my ($pack,$name,$subp)=split(/\&/,$key);
11310: if ($subp eq 'default') { next; }
11311:
1.599 albertel 11312: if (defined($metaentry{':packages'})) {
11313: $metaentry{':packages'}.=','.$package;
1.483 albertel 11314: } else {
1.599 albertel 11315: $metaentry{':packages'}=$package;
1.483 albertel 11316: }
11317: my $value=$packagetab{$key};
11318: my $unikey;
11319: $unikey='parameter_0_'.$name;
1.599 albertel 11320: $metaentry{':'.$unikey.'.part'}=0;
1.483 albertel 11321: $$metathesekeys{$unikey}=1;
1.599 albertel 11322: unless (defined($metaentry{':'.$unikey.'.'.$subp})) {
11323: $metaentry{':'.$unikey.'.'.$subp}=$value;
1.483 albertel 11324: }
1.599 albertel 11325: if (defined($metaentry{':'.$unikey.'.default'})) {
11326: $metaentry{':'.$unikey}=
11327: $metaentry{':'.$unikey.'.default'};
1.483 albertel 11328: }
11329: }
11330:
1.261 albertel 11331: sub metadata_generate_part0 {
11332: my ($metadata,$metacache,$uri) = @_;
11333: my %allnames;
1.737 albertel 11334: foreach my $metakey (keys(%$metadata)) {
1.261 albertel 11335: if ($metakey=~/^parameter\_(.*)/) {
1.428 albertel 11336: my $part=$$metacache{':'.$metakey.'.part'};
11337: my $name=$$metacache{':'.$metakey.'.name'};
1.356 albertel 11338: if (! exists($$metadata{'parameter_0_'.$name.'.name'})) {
1.261 albertel 11339: $allnames{$name}=$part;
11340: }
11341: }
11342: }
11343: foreach my $name (keys(%allnames)) {
11344: $$metadata{"parameter_0_$name"}=1;
1.428 albertel 11345: my $key=":parameter_0_$name";
1.261 albertel 11346: $$metacache{"$key.part"}='0';
11347: $$metacache{"$key.name"}=$name;
1.428 albertel 11348: $$metacache{"$key.type"}=$$metacache{':parameter_'.
1.261 albertel 11349: $allnames{$name}.'_'.$name.
11350: '.type'};
1.428 albertel 11351: my $olddis=$$metacache{':parameter_'.$allnames{$name}.'_'.$name.
1.261 albertel 11352: '.display'};
1.644 www 11353: my $expr='[Part: '.$allnames{$name}.']';
1.479 albertel 11354: $olddis=~s/\Q$expr\E/\[Part: 0\]/;
1.261 albertel 11355: $$metacache{"$key.display"}=$olddis;
11356: }
1.71 www 11357: }
11358:
1.764 albertel 11359: # ------------------------------------------------------ Devalidate title cache
11360:
11361: sub devalidate_title_cache {
11362: my ($url)=@_;
11363: if (!$env{'request.course.id'}) { return; }
11364: my $symb=&symbread($url);
11365: if (!$symb) { return; }
11366: my $key=$env{'request.course.id'}."\0".$symb;
11367: &devalidate_cache_new('title',$key);
11368: }
11369:
1.1014 droeschl 11370: # ------------------------------------------------- Get the title of a course
11371:
11372: sub current_course_title {
11373: return $env{ 'course.' . $env{'request.course.id'} . '.description' };
11374: }
1.301 www 11375: # ------------------------------------------------- Get the title of a resource
11376:
11377: sub gettitle {
11378: my $urlsymb=shift;
11379: my $symb=&symbread($urlsymb);
1.534 albertel 11380: if ($symb) {
1.620 albertel 11381: my $key=$env{'request.course.id'}."\0".$symb;
1.599 albertel 11382: my ($result,$cached)=&is_cached_new('title',$key);
1.575 albertel 11383: if (defined($cached)) {
11384: return $result;
11385: }
1.534 albertel 11386: my ($map,$resid,$url)=&decode_symb($symb);
11387: my $title='';
1.907 albertel 11388: if (!$map && $resid == 0 && $url =~/default\.sequence$/) {
11389: $title = $env{'course.'.$env{'request.course.id'}.'.description'};
11390: } else {
11391: if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
11392: &GDBM_READER(),0640)) {
11393: my $mapid=$bighash{'map_pc_'.&clutter($map)};
11394: $title=$bighash{'title_'.$mapid.'.'.$resid};
11395: untie(%bighash);
11396: }
1.534 albertel 11397: }
11398: $title=~s/\&colon\;/\:/gs;
11399: if ($title) {
1.1159 www 11400: # Remember both $symb and $title for dynamic metadata
11401: $accesshash{$symb.'___crstitle'}=$title;
1.1161 www 11402: $accesshash{&declutter($map).'___'.&declutter($url).'___usage'}=time;
1.1159 www 11403: # Cache this title and then return it
1.599 albertel 11404: return &do_cache_new('title',$key,$title,600);
1.534 albertel 11405: }
11406: $urlsymb=$url;
11407: }
11408: my $title=&metadata($urlsymb,'title');
11409: if (!$title) { $title=(split('/',$urlsymb))[-1]; }
11410: return $title;
1.301 www 11411: }
1.613 albertel 11412:
1.614 albertel 11413: sub get_slot {
11414: my ($which,$cnum,$cdom)=@_;
11415: if (!$cnum || !$cdom) {
1.790 albertel 11416: (undef,my $courseid)=&whichuser();
1.620 albertel 11417: $cdom=$env{'course.'.$courseid.'.domain'};
11418: $cnum=$env{'course.'.$courseid.'.num'};
1.614 albertel 11419: }
1.703 albertel 11420: my $key=join("\0",'slots',$cdom,$cnum,$which);
11421: my %slotinfo;
11422: if (exists($remembered{$key})) {
11423: $slotinfo{$which} = $remembered{$key};
11424: } else {
11425: %slotinfo=&get('slots',[$which],$cdom,$cnum);
11426: &Apache::lonhomework::showhash(%slotinfo);
11427: my ($tmp)=keys(%slotinfo);
11428: if ($tmp=~/^error:/) { return (); }
11429: $remembered{$key} = $slotinfo{$which};
11430: }
1.616 albertel 11431: if (ref($slotinfo{$which}) eq 'HASH') {
11432: return %{$slotinfo{$which}};
11433: }
11434: return $slotinfo{$which};
1.614 albertel 11435: }
1.1150 raeburn 11436:
11437: sub get_reservable_slots {
11438: my ($cnum,$cdom,$uname,$udom) = @_;
11439: my $now = time;
11440: my $reservable_info;
11441: my $key=join("\0",'reservableslots',$cdom,$cnum,$uname,$udom);
11442: if (exists($remembered{$key})) {
11443: $reservable_info = $remembered{$key};
11444: } else {
11445: my %resv;
11446: ($resv{'now_order'},$resv{'now'},$resv{'future_order'},$resv{'future'}) =
11447: &Apache::loncommon::get_future_slots($cnum,$cdom,$now);
11448: $reservable_info = \%resv;
11449: $remembered{$key} = $reservable_info;
11450: }
11451: return $reservable_info;
11452: }
11453:
11454: sub get_course_slots {
11455: my ($cnum,$cdom) = @_;
11456: my $hashid=$cnum.':'.$cdom;
11457: my ($result,$cached) = &Apache::lonnet::is_cached_new('allslots',$hashid);
11458: if (defined($cached)) {
11459: if (ref($result) eq 'HASH') {
11460: return %{$result};
11461: }
11462: } else {
11463: my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
11464: my ($tmp) = keys(%slots);
11465: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
1.1172.2.23 raeburn 11466: &do_cache_new('allslots',$hashid,\%slots,600);
1.1150 raeburn 11467: return %slots;
11468: }
11469: }
11470: return;
11471: }
11472:
11473: sub devalidate_slots_cache {
11474: my ($cnum,$cdom)=@_;
11475: my $hashid=$cnum.':'.$cdom;
11476: &devalidate_cache_new('allslots',$hashid);
11477: }
11478:
1.1172.2.8 raeburn 11479: sub get_coursechange {
11480: my ($cdom,$cnum) = @_;
11481: if ($cdom eq '' || $cnum eq '') {
11482: return unless ($env{'request.course.id'});
11483: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
11484: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
11485: }
11486: my $hashid=$cdom.'_'.$cnum;
11487: my ($change,$cached)=&is_cached_new('crschange',$hashid);
11488: if ((defined($cached)) && ($change ne '')) {
11489: return $change;
11490: } else {
11491: my %crshash;
11492: %crshash = &get('environment',['internal.contentchange'],$cdom,$cnum);
11493: if ($crshash{'internal.contentchange'} eq '') {
11494: $change = $env{'course.'.$cdom.'_'.$cnum.'.internal.created'};
11495: if ($change eq '') {
11496: %crshash = &get('environment',['internal.created'],$cdom,$cnum);
11497: $change = $crshash{'internal.created'};
11498: }
11499: } else {
11500: $change = $crshash{'internal.contentchange'};
11501: }
11502: my $cachetime = 600;
11503: &do_cache_new('crschange',$hashid,$change,$cachetime);
11504: }
11505: return $change;
11506: }
11507:
11508: sub devalidate_coursechange_cache {
11509: my ($cnum,$cdom)=@_;
11510: my $hashid=$cnum.':'.$cdom;
11511: &devalidate_cache_new('crschange',$hashid);
11512: }
11513:
1.31 www 11514: # ------------------------------------------------- Update symbolic store links
11515:
11516: sub symblist {
11517: my ($mapname,%newhash)=@_;
1.438 www 11518: $mapname=&deversion(&declutter($mapname));
1.31 www 11519: my %hash;
1.620 albertel 11520: if (($env{'request.course.fn'}) && (%newhash)) {
11521: if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
1.256 albertel 11522: &GDBM_WRCREAT(),0640)) {
1.1000 raeburn 11523: foreach my $url (keys(%newhash)) {
1.711 albertel 11524: next if ($url eq 'last_known'
11525: && $env{'form.no_update_last_known'});
11526: $hash{declutter($url)}=&encode_symb($mapname,
11527: $newhash{$url}->[1],
11528: $newhash{$url}->[0]);
1.191 harris41 11529: }
1.31 www 11530: if (untie(%hash)) {
11531: return 'ok';
11532: }
11533: }
11534: }
11535: return 'error';
1.212 www 11536: }
11537:
11538: # --------------------------------------------------------------- Verify a symb
11539:
11540: sub symbverify {
1.1172.2.11 raeburn 11541: my ($symb,$thisurl,$encstate)=@_;
1.510 www 11542: my $thisfn=$thisurl;
1.439 www 11543: $thisfn=&declutter($thisfn);
1.215 www 11544: # direct jump to resource in page or to a sequence - will construct own symbs
11545: if ($thisfn=~/\.(page|sequence)$/) { return 1; }
11546: # check URL part
1.409 www 11547: my ($map,$resid,$url)=&decode_symb($symb);
1.439 www 11548:
1.431 www 11549: unless ($url eq $thisfn) { return 0; }
1.213 www 11550:
1.216 www 11551: $symb=&symbclean($symb);
1.510 www 11552: $thisurl=&deversion($thisurl);
1.439 www 11553: $thisfn=&deversion($thisfn);
1.213 www 11554:
11555: my %bighash;
11556: my $okay=0;
1.431 www 11557:
1.620 albertel 11558: if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
1.256 albertel 11559: &GDBM_READER(),0640)) {
1.1172.2.13 raeburn 11560: my $noclutter;
1.1032 raeburn 11561: if (($thisurl =~ m{^/adm/wrapper/ext/}) || ($thisurl =~ m{^ext/})) {
11562: $thisurl =~ s/\?.+$//;
1.1172.2.13 raeburn 11563: if ($map =~ m{^uploaded/.+\.page$}) {
11564: $thisurl =~ s{^(/adm/wrapper|)/ext/}{http://};
11565: $thisurl =~ s{^\Qhttp://https://\E}{https://};
11566: $noclutter = 1;
11567: }
11568: }
11569: my $ids;
11570: if ($noclutter) {
11571: $ids=$bighash{'ids_'.$thisurl};
11572: } else {
11573: $ids=$bighash{'ids_'.&clutter($thisurl)};
1.1032 raeburn 11574: }
1.1102 raeburn 11575: unless ($ids) {
1.1172.2.13 raeburn 11576: my $idkey = 'ids_'.($thisurl =~ m{^/}? '' : '/').$thisurl;
1.1102 raeburn 11577: $ids=$bighash{$idkey};
1.216 www 11578: }
11579: if ($ids) {
11580: # ------------------------------------------------------------------- Has ID(s)
1.1172.2.13 raeburn 11581: if ($thisfn =~ m{^/adm/wrapper/ext/}) {
11582: $symb =~ s/\?.+$//;
11583: }
1.800 albertel 11584: foreach my $id (split(/\,/,$ids)) {
11585: my ($mapid,$resid)=split(/\./,$id);
1.216 www 11586: if (
11587: &symbclean(&declutter($bighash{'map_id_'.$mapid}).'___'.$resid.'___'.$thisfn)
1.1172.2.13 raeburn 11588: eq $symb) {
1.1172.2.11 raeburn 11589: if (ref($encstate)) {
11590: $$encstate = $bighash{'encrypted_'.$id};
11591: }
1.1172.2.13 raeburn 11592: if (($env{'request.role.adv'}) ||
11593: ($bighash{'encrypted_'.$id} eq $env{'request.enc'}) ||
1.1101 raeburn 11594: ($thisurl eq '/adm/navmaps')) {
1.1172.2.13 raeburn 11595: $okay=1;
11596: last;
11597: }
11598: }
11599: }
1.216 www 11600: }
1.213 www 11601: untie(%bighash);
11602: }
11603: return $okay;
1.31 www 11604: }
11605:
1.210 www 11606: # --------------------------------------------------------------- Clean-up symb
11607:
11608: sub symbclean {
11609: my $symb=shift;
1.568 albertel 11610: if ($symb=~m|^/enc/|) { $symb=&Apache::lonenc::unencrypted($symb); }
1.210 www 11611: # remove version from map
11612: $symb=~s/\.(\d+)\.(\w+)\_\_\_/\.$2\_\_\_/;
1.215 www 11613:
1.210 www 11614: # remove version from URL
11615: $symb=~s/\.(\d+)\.(\w+)$/\.$2/;
1.213 www 11616:
1.507 www 11617: # remove wrapper
11618:
1.510 www 11619: $symb=~s/(\_\_\_\d+\_\_\_)adm\/wrapper\/(res\/)*/$1/;
1.694 albertel 11620: $symb=~s/(\_\_\_\d+\_\_\_)adm\/coursedocs\/showdoc\/(res\/)*/$1/;
1.210 www 11621: return $symb;
1.409 www 11622: }
11623:
11624: # ---------------------------------------------- Split symb to find map and url
1.429 albertel 11625:
11626: sub encode_symb {
11627: my ($map,$resid,$url)=@_;
11628: return &symbclean(&declutter($map).'___'.$resid.'___'.&declutter($url));
11629: }
1.409 www 11630:
11631: sub decode_symb {
1.568 albertel 11632: my $symb=shift;
11633: if ($symb=~m|^/enc/|) { $symb=&Apache::lonenc::unencrypted($symb); }
11634: my ($map,$resid,$url)=split(/___/,$symb);
1.413 www 11635: return (&fixversion($map),$resid,&fixversion($url));
11636: }
11637:
11638: sub fixversion {
11639: my $fn=shift;
1.609 banghart 11640: if ($fn=~/^(adm|uploaded|editupload|public)/) { return $fn; }
1.435 www 11641: my %bighash;
11642: my $uri=&clutter($fn);
1.620 albertel 11643: my $key=$env{'request.course.id'}.'_'.$uri;
1.440 www 11644: # is this cached?
1.599 albertel 11645: my ($result,$cached)=&is_cached_new('courseresversion',$key);
1.440 www 11646: if (defined($cached)) { return $result; }
11647: # unfortunately not cached, or expired
1.620 albertel 11648: if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
1.440 www 11649: &GDBM_READER(),0640)) {
11650: if ($bighash{'version_'.$uri}) {
11651: my $version=$bighash{'version_'.$uri};
1.444 www 11652: unless (($version eq 'mostrecent') ||
11653: ($version==&getversion($uri))) {
1.440 www 11654: $uri=~s/\.(\w+)$/\.$version\.$1/;
11655: }
11656: }
11657: untie %bighash;
1.413 www 11658: }
1.599 albertel 11659: return &do_cache_new('courseresversion',$key,&declutter($uri),600);
1.438 www 11660: }
11661:
11662: sub deversion {
11663: my $url=shift;
11664: $url=~s/\.\d+\.(\w+)$/\.$1/;
11665: return $url;
1.210 www 11666: }
11667:
1.31 www 11668: # ------------------------------------------------------ Return symb list entry
11669:
11670: sub symbread {
1.1172.2.66 raeburn 11671: my ($thisfn,$donotrecurse,$ignorecachednull,$checkforblock,$possibles)=@_;
1.1172.2.54 raeburn 11672: my $cache_str='request.symbread.cached.'.$thisfn;
1.1172.2.66 raeburn 11673: if (defined($env{$cache_str})) {
11674: if ($ignorecachednull) {
11675: return $env{$cache_str} unless ($env{$cache_str} eq '');
11676: } else {
11677: return $env{$cache_str};
11678: }
11679: }
1.242 www 11680: # no filename provided? try from environment
1.1172.2.54 raeburn 11681: unless ($thisfn) {
1.620 albertel 11682: if ($env{'request.symb'}) {
1.1172.2.13 raeburn 11683: return $env{$cache_str}=&symbclean($env{'request.symb'});
11684: }
11685: $thisfn=$env{'request.filename'};
1.44 www 11686: }
1.569 albertel 11687: if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); }
1.242 www 11688: # is that filename actually a symb? Verify, clean, and return
11689: if ($thisfn=~/\_\_\_\d+\_\_\_(.*)$/) {
1.539 albertel 11690: if (&symbverify($thisfn,$1)) {
1.620 albertel 11691: return $env{$cache_str}=&symbclean($thisfn);
1.539 albertel 11692: }
1.242 www 11693: }
1.44 www 11694: $thisfn=declutter($thisfn);
1.31 www 11695: my %hash;
1.37 www 11696: my %bighash;
11697: my $syval='';
1.620 albertel 11698: if (($env{'request.course.fn'}) && ($thisfn)) {
1.481 raeburn 11699: my $targetfn = $thisfn;
1.609 banghart 11700: if ( ($thisfn =~ m/^(uploaded|editupload)\//) && ($thisfn !~ m/\.(page|sequence)$/) ) {
1.481 raeburn 11701: $targetfn = 'adm/wrapper/'.$thisfn;
11702: }
1.687 albertel 11703: if ($targetfn =~ m|^adm/wrapper/(ext/.*)|) {
11704: $targetfn=$1;
11705: }
1.620 albertel 11706: if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
1.256 albertel 11707: &GDBM_READER(),0640)) {
1.481 raeburn 11708: $syval=$hash{$targetfn};
1.37 www 11709: untie(%hash);
11710: }
11711: # ---------------------------------------------------------- There was an entry
11712: if ($syval) {
1.601 albertel 11713: #unless ($syval=~/\_\d+$/) {
1.620 albertel 11714: #unless ($env{'form.request.prefix'}=~/\.(\d+)\_$/) {
1.949 raeburn 11715: #&appenv({'request.ambiguous' => $thisfn});
1.620 albertel 11716: #return $env{$cache_str}='';
1.601 albertel 11717: #}
11718: #$syval.=$1;
11719: #}
1.37 www 11720: } else {
11721: # ------------------------------------------------------- Was not in symb table
1.620 albertel 11722: if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
1.256 albertel 11723: &GDBM_READER(),0640)) {
1.37 www 11724: # ---------------------------------------------- Get ID(s) for current resource
1.280 www 11725: my $ids=$bighash{'ids_'.&clutter($thisfn)};
1.65 www 11726: unless ($ids) {
11727: $ids=$bighash{'ids_/'.$thisfn};
1.242 www 11728: }
11729: unless ($ids) {
11730: # alias?
11731: $ids=$bighash{'mapalias_'.$thisfn};
1.65 www 11732: }
1.37 www 11733: if ($ids) {
11734: # ------------------------------------------------------------------- Has ID(s)
11735: my @possibilities=split(/\,/,$ids);
1.39 www 11736: if ($#possibilities==0) {
11737: # ----------------------------------------------- There is only one possibility
1.37 www 11738: my ($mapid,$resid)=split(/\./,$ids);
1.626 albertel 11739: $syval=&encode_symb($bighash{'map_id_'.$mapid},
11740: $resid,$thisfn);
1.1172.2.66 raeburn 11741: if (ref($possibles) eq 'HASH') {
11742: $possibles->{$syval} = 1;
11743: }
11744: if ($checkforblock) {
11745: my @blockers = &has_comm_blocking('bre',$syval,$bighash{'src_'.$ids});
11746: if (@blockers) {
11747: $syval = '';
11748: return;
11749: }
11750: }
11751: } elsif ((!$donotrecurse) || ($checkforblock) || (ref($possibles) eq 'HASH')) {
1.39 www 11752: # ------------------------------------------ There is more than one possibility
11753: my $realpossible=0;
1.800 albertel 11754: foreach my $id (@possibilities) {
11755: my $file=$bighash{'src_'.$id};
1.1172.2.66 raeburn 11756: my $canaccess;
11757: if (($donotrecurse) || ($checkforblock) || (ref($possibles) eq 'HASH')) {
11758: $canaccess = 1;
11759: } else {
11760: $canaccess = &allowed('bre',$file);
11761: }
11762: if ($canaccess) {
11763: my ($mapid,$resid)=split(/\./,$id);
11764: if ($bighash{'map_type_'.$mapid} ne 'page') {
11765: my $poss_syval=&encode_symb($bighash{'map_id_'.$mapid},
11766: $resid,$thisfn);
11767: if (ref($possibles) eq 'HASH') {
11768: $possibles->{$syval} = 1;
11769: }
11770: if ($checkforblock) {
11771: my @blockers = &has_comm_blocking('bre',$poss_syval,$file);
11772: unless (@blockers > 0) {
11773: $syval = $poss_syval;
11774: $realpossible++;
11775: }
11776: } else {
11777: $syval = $poss_syval;
11778: $realpossible++;
11779: }
11780: }
1.39 www 11781: }
1.191 harris41 11782: }
1.39 www 11783: if ($realpossible!=1) { $syval=''; }
1.249 www 11784: } else {
11785: $syval='';
1.37 www 11786: }
11787: }
1.1172.2.66 raeburn 11788: untie(%bighash);
1.481 raeburn 11789: }
1.31 www 11790: }
1.62 www 11791: if ($syval) {
1.620 albertel 11792: return $env{$cache_str}=$syval;
1.62 www 11793: }
1.31 www 11794: }
1.949 raeburn 11795: &appenv({'request.ambiguous' => $thisfn});
1.620 albertel 11796: return $env{$cache_str}='';
1.31 www 11797: }
11798:
11799: # ---------------------------------------------------------- Return random seed
11800:
1.32 www 11801: sub numval {
11802: my $txt=shift;
11803: $txt=~tr/A-J/0-9/;
11804: $txt=~tr/a-j/0-9/;
11805: $txt=~tr/K-T/0-9/;
11806: $txt=~tr/k-t/0-9/;
11807: $txt=~tr/U-Z/0-5/;
11808: $txt=~tr/u-z/0-5/;
11809: $txt=~s/\D//g;
1.564 albertel 11810: if ($_64bit) { if ($txt > 2**32) { return -1; } }
1.32 www 11811: return int($txt);
1.368 albertel 11812: }
11813:
1.484 albertel 11814: sub numval2 {
11815: my $txt=shift;
11816: $txt=~tr/A-J/0-9/;
11817: $txt=~tr/a-j/0-9/;
11818: $txt=~tr/K-T/0-9/;
11819: $txt=~tr/k-t/0-9/;
11820: $txt=~tr/U-Z/0-5/;
11821: $txt=~tr/u-z/0-5/;
11822: $txt=~s/\D//g;
11823: my @txts=split(/(\d\d\d\d\d\d\d\d\d)/,$txt);
11824: my $total;
11825: foreach my $val (@txts) { $total+=$val; }
1.564 albertel 11826: if ($_64bit) { if ($total > 2**32) { return -1; } }
1.484 albertel 11827: return int($total);
11828: }
11829:
1.575 albertel 11830: sub numval3 {
11831: use integer;
11832: my $txt=shift;
11833: $txt=~tr/A-J/0-9/;
11834: $txt=~tr/a-j/0-9/;
11835: $txt=~tr/K-T/0-9/;
11836: $txt=~tr/k-t/0-9/;
11837: $txt=~tr/U-Z/0-5/;
11838: $txt=~tr/u-z/0-5/;
11839: $txt=~s/\D//g;
11840: my @txts=split(/(\d\d\d\d\d\d\d\d\d)/,$txt);
11841: my $total;
11842: foreach my $val (@txts) { $total+=$val; }
11843: if ($_64bit) { $total=(($total<<32)>>32); }
11844: return $total;
11845: }
11846:
1.675 albertel 11847: sub digest {
11848: my ($data)=@_;
11849: my $digest=&Digest::MD5::md5($data);
11850: my ($a,$b,$c,$d)=unpack("iiii",$digest);
11851: my ($e,$f);
11852: {
11853: use integer;
11854: $e=($a+$b);
11855: $f=($c+$d);
11856: if ($_64bit) {
11857: $e=(($e<<32)>>32);
11858: $f=(($f<<32)>>32);
11859: }
11860: }
11861: if (wantarray) {
11862: return ($e,$f);
11863: } else {
11864: my $g;
11865: {
11866: use integer;
11867: $g=($e+$f);
11868: if ($_64bit) {
11869: $g=(($g<<32)>>32);
11870: }
11871: }
11872: return $g;
11873: }
11874: }
11875:
1.368 albertel 11876: sub latest_rnd_algorithm_id {
1.675 albertel 11877: return '64bit5';
1.366 albertel 11878: }
1.32 www 11879:
1.503 albertel 11880: sub get_rand_alg {
11881: my ($courseid)=@_;
1.790 albertel 11882: if (!$courseid) { $courseid=(&whichuser())[1]; }
1.503 albertel 11883: if ($courseid) {
1.620 albertel 11884: return $env{"course.$courseid.rndseed"};
1.503 albertel 11885: }
11886: return &latest_rnd_algorithm_id();
11887: }
11888:
1.562 albertel 11889: sub validCODE {
11890: my ($CODE)=@_;
11891: if (defined($CODE) && $CODE ne '' && $CODE =~ /^\w+$/) { return 1; }
11892: return 0;
11893: }
11894:
1.491 albertel 11895: sub getCODE {
1.620 albertel 11896: if (&validCODE($env{'form.CODE'})) { return $env{'form.CODE'}; }
1.618 albertel 11897: if ( (defined($Apache::lonhomework::parsing_a_problem) ||
11898: defined($Apache::lonhomework::parsing_a_task) ) &&
11899: &validCODE($Apache::lonhomework::history{'resource.CODE'})) {
1.491 albertel 11900: return $Apache::lonhomework::history{'resource.CODE'};
11901: }
11902: return undef;
11903: }
1.1133 foxr 11904: #
11905: # Determines the random seed for a specific context:
11906: #
11907: # parameters:
11908: # symb - in course context the symb for the seed.
11909: # course_id - The course id of the form domain_coursenum.
11910: # domain - Domain for the user.
11911: # course - Course for the user.
11912: # cenv - environment of the course.
11913: #
11914: # NOTE:
11915: # All parameters are picked out of the environment if missing
11916: # or not defined.
11917: # If a symb cannot be determined the current time is used instead.
11918: #
11919: # For a given well defined symb, courside, domain, username,
11920: # and course environment, the seed is reproducible.
11921: #
1.31 www 11922: sub rndseed {
1.1133 foxr 11923: my ($symb,$courseid,$domain,$username, $cenv)=@_;
1.790 albertel 11924: my ($wsymb,$wcourseid,$wdomain,$wusername)=&whichuser();
1.896 albertel 11925: if (!defined($symb)) {
1.366 albertel 11926: unless ($symb=$wsymb) { return time; }
11927: }
1.1146 foxr 11928: if (!defined $courseid) {
11929: $courseid=$wcourseid;
11930: }
11931: if (!defined $domain) { $domain=$wdomain; }
11932: if (!defined $username) { $username=$wusername }
1.1133 foxr 11933:
11934: my $which;
11935: if (defined($cenv->{'rndseed'})) {
11936: $which = $cenv->{'rndseed'};
11937: } else {
11938: $which =&get_rand_alg($courseid);
11939: }
1.491 albertel 11940: if (defined(&getCODE())) {
1.675 albertel 11941: if ($which eq '64bit5') {
11942: return &rndseed_CODE_64bit5($symb,$courseid,$domain,$username);
11943: } elsif ($which eq '64bit4') {
1.575 albertel 11944: return &rndseed_CODE_64bit4($symb,$courseid,$domain,$username);
11945: } else {
11946: return &rndseed_CODE_64bit($symb,$courseid,$domain,$username);
11947: }
1.675 albertel 11948: } elsif ($which eq '64bit5') {
11949: return &rndseed_64bit5($symb,$courseid,$domain,$username);
1.575 albertel 11950: } elsif ($which eq '64bit4') {
11951: return &rndseed_64bit4($symb,$courseid,$domain,$username);
1.501 albertel 11952: } elsif ($which eq '64bit3') {
11953: return &rndseed_64bit3($symb,$courseid,$domain,$username);
1.443 albertel 11954: } elsif ($which eq '64bit2') {
11955: return &rndseed_64bit2($symb,$courseid,$domain,$username);
1.366 albertel 11956: } elsif ($which eq '64bit') {
11957: return &rndseed_64bit($symb,$courseid,$domain,$username);
11958: }
11959: return &rndseed_32bit($symb,$courseid,$domain,$username);
11960: }
11961:
11962: sub rndseed_32bit {
11963: my ($symb,$courseid,$domain,$username)=@_;
11964: {
11965: use integer;
11966: my $symbchck=unpack("%32C*",$symb) << 27;
11967: my $symbseed=numval($symb) << 22;
11968: my $namechck=unpack("%32C*",$username) << 17;
11969: my $nameseed=numval($username) << 12;
11970: my $domainseed=unpack("%32C*",$domain) << 7;
11971: my $courseseed=unpack("%32C*",$courseid);
11972: my $num=$symbseed+$nameseed+$domainseed+$courseseed+$namechck+$symbchck;
1.790 albertel 11973: #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
11974: #&logthis("rndseed :$num:$symb");
1.564 albertel 11975: if ($_64bit) { $num=(($num<<32)>>32); }
1.366 albertel 11976: return $num;
11977: }
11978: }
11979:
11980: sub rndseed_64bit {
11981: my ($symb,$courseid,$domain,$username)=@_;
11982: {
11983: use integer;
11984: my $symbchck=unpack("%32S*",$symb) << 21;
11985: my $symbseed=numval($symb) << 10;
11986: my $namechck=unpack("%32S*",$username);
11987:
11988: my $nameseed=numval($username) << 21;
11989: my $domainseed=unpack("%32S*",$domain) << 10;
11990: my $courseseed=unpack("%32S*",$courseid);
11991:
11992: my $num1=$symbchck+$symbseed+$namechck;
11993: my $num2=$nameseed+$domainseed+$courseseed;
1.790 albertel 11994: #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
11995: #&logthis("rndseed :$num:$symb");
1.564 albertel 11996: if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
1.366 albertel 11997: return "$num1,$num2";
1.155 albertel 11998: }
1.366 albertel 11999: }
12000:
1.443 albertel 12001: sub rndseed_64bit2 {
12002: my ($symb,$courseid,$domain,$username)=@_;
12003: {
12004: use integer;
12005: # strings need to be an even # of cahracters long, it it is odd the
12006: # last characters gets thrown away
12007: my $symbchck=unpack("%32S*",$symb.' ') << 21;
12008: my $symbseed=numval($symb) << 10;
12009: my $namechck=unpack("%32S*",$username.' ');
12010:
12011: my $nameseed=numval($username) << 21;
1.501 albertel 12012: my $domainseed=unpack("%32S*",$domain.' ') << 10;
12013: my $courseseed=unpack("%32S*",$courseid.' ');
12014:
12015: my $num1=$symbchck+$symbseed+$namechck;
12016: my $num2=$nameseed+$domainseed+$courseseed;
1.790 albertel 12017: #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
12018: #&logthis("rndseed :$num:$symb");
1.803 albertel 12019: if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
1.501 albertel 12020: return "$num1,$num2";
12021: }
12022: }
12023:
12024: sub rndseed_64bit3 {
12025: my ($symb,$courseid,$domain,$username)=@_;
12026: {
12027: use integer;
12028: # strings need to be an even # of cahracters long, it it is odd the
12029: # last characters gets thrown away
12030: my $symbchck=unpack("%32S*",$symb.' ') << 21;
12031: my $symbseed=numval2($symb) << 10;
12032: my $namechck=unpack("%32S*",$username.' ');
12033:
12034: my $nameseed=numval2($username) << 21;
1.443 albertel 12035: my $domainseed=unpack("%32S*",$domain.' ') << 10;
12036: my $courseseed=unpack("%32S*",$courseid.' ');
12037:
12038: my $num1=$symbchck+$symbseed+$namechck;
12039: my $num2=$nameseed+$domainseed+$courseseed;
1.790 albertel 12040: #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
12041: #&logthis("rndseed :$num1:$num2:$_64bit");
1.564 albertel 12042: if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
1.1110 www 12043:
1.503 albertel 12044: return "$num1:$num2";
1.443 albertel 12045: }
12046: }
12047:
1.575 albertel 12048: sub rndseed_64bit4 {
12049: my ($symb,$courseid,$domain,$username)=@_;
12050: {
12051: use integer;
12052: # strings need to be an even # of cahracters long, it it is odd the
12053: # last characters gets thrown away
12054: my $symbchck=unpack("%32S*",$symb.' ') << 21;
12055: my $symbseed=numval3($symb) << 10;
12056: my $namechck=unpack("%32S*",$username.' ');
12057:
12058: my $nameseed=numval3($username) << 21;
12059: my $domainseed=unpack("%32S*",$domain.' ') << 10;
12060: my $courseseed=unpack("%32S*",$courseid.' ');
12061:
12062: my $num1=$symbchck+$symbseed+$namechck;
12063: my $num2=$nameseed+$domainseed+$courseseed;
1.790 albertel 12064: #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
12065: #&logthis("rndseed :$num1:$num2:$_64bit");
1.575 albertel 12066: if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
1.1110 www 12067:
1.575 albertel 12068: return "$num1:$num2";
12069: }
12070: }
12071:
1.675 albertel 12072: sub rndseed_64bit5 {
12073: my ($symb,$courseid,$domain,$username)=@_;
12074: my ($num1,$num2)=&digest("$symb,$courseid,$domain,$username");
12075: return "$num1:$num2";
12076: }
12077:
1.366 albertel 12078: sub rndseed_CODE_64bit {
12079: my ($symb,$courseid,$domain,$username)=@_;
1.155 albertel 12080: {
1.366 albertel 12081: use integer;
1.443 albertel 12082: my $symbchck=unpack("%32S*",$symb.' ') << 16;
1.484 albertel 12083: my $symbseed=numval2($symb);
1.491 albertel 12084: my $CODEchck=unpack("%32S*",&getCODE().' ') << 16;
12085: my $CODEseed=numval(&getCODE());
1.443 albertel 12086: my $courseseed=unpack("%32S*",$courseid.' ');
1.484 albertel 12087: my $num1=$symbseed+$CODEchck;
12088: my $num2=$CODEseed+$courseseed+$symbchck;
1.790 albertel 12089: #&logthis("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck");
12090: #&logthis("rndseed :$num1:$num2:$symb");
1.564 albertel 12091: if ($_64bit) { $num1=(($num1<<32)>>32); }
12092: if ($_64bit) { $num2=(($num2<<32)>>32); }
1.503 albertel 12093: return "$num1:$num2";
1.366 albertel 12094: }
12095: }
12096:
1.575 albertel 12097: sub rndseed_CODE_64bit4 {
12098: my ($symb,$courseid,$domain,$username)=@_;
12099: {
12100: use integer;
12101: my $symbchck=unpack("%32S*",$symb.' ') << 16;
12102: my $symbseed=numval3($symb);
12103: my $CODEchck=unpack("%32S*",&getCODE().' ') << 16;
12104: my $CODEseed=numval3(&getCODE());
12105: my $courseseed=unpack("%32S*",$courseid.' ');
12106: my $num1=$symbseed+$CODEchck;
12107: my $num2=$CODEseed+$courseseed+$symbchck;
1.790 albertel 12108: #&logthis("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck");
12109: #&logthis("rndseed :$num1:$num2:$symb");
1.575 albertel 12110: if ($_64bit) { $num1=(($num1<<32)>>32); }
12111: if ($_64bit) { $num2=(($num2<<32)>>32); }
12112: return "$num1:$num2";
12113: }
12114: }
12115:
1.675 albertel 12116: sub rndseed_CODE_64bit5 {
12117: my ($symb,$courseid,$domain,$username)=@_;
12118: my $code = &getCODE();
12119: my ($num1,$num2)=&digest("$symb,$courseid,$code");
12120: return "$num1:$num2";
12121: }
12122:
1.366 albertel 12123: sub setup_random_from_rndseed {
12124: my ($rndseed)=@_;
1.503 albertel 12125: if ($rndseed =~/([,:])/) {
1.1172.2.51 raeburn 12126: my ($num1,$num2) = map { abs($_); } (split(/[,:]/,$rndseed));
12127: if ((!$num1) || (!$num2) || ($num1 > 2147483562) || ($num2 > 2147483398)) {
12128: &Math::Random::random_set_seed_from_phrase($rndseed);
12129: } else {
12130: &Math::Random::random_set_seed($num1,$num2);
12131: }
1.366 albertel 12132: } else {
12133: &Math::Random::random_set_seed_from_phrase($rndseed);
1.98 albertel 12134: }
1.36 albertel 12135: }
12136:
1.474 albertel 12137: sub latest_receipt_algorithm_id {
1.835 albertel 12138: return 'receipt3';
1.474 albertel 12139: }
12140:
1.480 www 12141: sub recunique {
12142: my $fucourseid=shift;
12143: my $unique;
1.835 albertel 12144: if ($env{"course.$fucourseid.receiptalg"} eq 'receipt2' ||
12145: $env{"course.$fucourseid.receiptalg"} eq 'receipt3' ) {
1.620 albertel 12146: $unique=$env{"course.$fucourseid.internal.encseed"};
1.480 www 12147: } else {
12148: $unique=$perlvar{'lonReceipt'};
12149: }
12150: return unpack("%32C*",$unique);
12151: }
12152:
12153: sub recprefix {
12154: my $fucourseid=shift;
12155: my $prefix;
1.835 albertel 12156: if ($env{"course.$fucourseid.receiptalg"} eq 'receipt2'||
12157: $env{"course.$fucourseid.receiptalg"} eq 'receipt3' ) {
1.620 albertel 12158: $prefix=$env{"course.$fucourseid.internal.encpref"};
1.480 www 12159: } else {
12160: $prefix=$perlvar{'lonHostID'};
12161: }
12162: return unpack("%32C*",$prefix);
12163: }
12164:
1.76 www 12165: sub ireceipt {
1.474 albertel 12166: my ($funame,$fudom,$fucourseid,$fusymb,$part)=@_;
1.835 albertel 12167:
12168: my $return =&recprefix($fucourseid).'-';
12169:
12170: if ($env{"course.$fucourseid.receiptalg"} eq 'receipt3' ||
12171: $env{'request.state'} eq 'construct') {
12172: $return .= (&digest("$funame,$fudom,$fucourseid,$fusymb,$part")%10000);
12173: return $return;
12174: }
12175:
1.76 www 12176: my $cuname=unpack("%32C*",$funame);
12177: my $cudom=unpack("%32C*",$fudom);
12178: my $cucourseid=unpack("%32C*",$fucourseid);
12179: my $cusymb=unpack("%32C*",$fusymb);
1.480 www 12180: my $cunique=&recunique($fucourseid);
1.474 albertel 12181: my $cpart=unpack("%32S*",$part);
1.835 albertel 12182: if ($env{"course.$fucourseid.receiptalg"} eq 'receipt2') {
12183:
1.790 albertel 12184: #&logthis("doing receipt2 using parts $cpart, uname $cuname and udom $cudom gets ".($cpart%$cuname)." and ".($cpart%$cudom));
1.474 albertel 12185:
12186: $return.= ($cunique%$cuname+
12187: $cunique%$cudom+
12188: $cusymb%$cuname+
12189: $cusymb%$cudom+
12190: $cucourseid%$cuname+
12191: $cucourseid%$cudom+
12192: $cpart%$cuname+
12193: $cpart%$cudom);
12194: } else {
12195: $return.= ($cunique%$cuname+
12196: $cunique%$cudom+
12197: $cusymb%$cuname+
12198: $cusymb%$cudom+
12199: $cucourseid%$cuname+
12200: $cucourseid%$cudom);
12201: }
12202: return $return;
1.76 www 12203: }
12204:
12205: sub receipt {
1.474 albertel 12206: my ($part)=@_;
1.790 albertel 12207: my ($symb,$courseid,$domain,$name) = &whichuser();
1.474 albertel 12208: return &ireceipt($name,$domain,$courseid,$symb,$part);
1.76 www 12209: }
1.260 ng 12210:
1.790 albertel 12211: sub whichuser {
12212: my ($passedsymb)=@_;
12213: my ($symb,$courseid,$domain,$name,$publicuser);
12214: if (defined($env{'form.grade_symb'})) {
12215: my ($tmp_courseid)=&get_env_multiple('form.grade_courseid');
12216: my $allowed=&allowed('vgr',$tmp_courseid);
12217: if (!$allowed &&
12218: exists($env{'request.course.sec'}) &&
12219: $env{'request.course.sec'} !~ /^\s*$/) {
12220: $allowed=&allowed('vgr',$tmp_courseid.
12221: '/'.$env{'request.course.sec'});
12222: }
12223: if ($allowed) {
12224: ($symb)=&get_env_multiple('form.grade_symb');
12225: $courseid=$tmp_courseid;
12226: ($domain)=&get_env_multiple('form.grade_domain');
12227: ($name)=&get_env_multiple('form.grade_username');
12228: return ($symb,$courseid,$domain,$name,$publicuser);
12229: }
12230: }
12231: if (!$passedsymb) {
12232: $symb=&symbread();
12233: } else {
12234: $symb=$passedsymb;
12235: }
12236: $courseid=$env{'request.course.id'};
12237: $domain=$env{'user.domain'};
12238: $name=$env{'user.name'};
12239: if ($name eq 'public' && $domain eq 'public') {
12240: if (!defined($env{'form.username'})) {
12241: $env{'form.username'}.=time.rand(10000000);
12242: }
12243: $name.=$env{'form.username'};
12244: }
12245: return ($symb,$courseid,$domain,$name,$publicuser);
12246:
12247: }
12248:
1.36 albertel 12249: # ------------------------------------------------------------ Serves up a file
1.472 albertel 12250: # returns either the contents of the file or
12251: # -1 if the file doesn't exist
1.481 raeburn 12252: #
12253: # if the target is a file that was uploaded via DOCS,
12254: # a check will be made to see if a current copy exists on the local server,
12255: # if it does this will be served, otherwise a copy will be retrieved from
12256: # the home server for the course and stored in /home/httpd/html/userfiles on
12257: # the local server.
1.472 albertel 12258:
1.36 albertel 12259: sub getfile {
1.538 albertel 12260: my ($file) = @_;
1.609 banghart 12261: if ($file =~ m -^/*(uploaded|editupload)/-) { $file=&filelocation("",$file); }
1.538 albertel 12262: &repcopy($file);
12263: return &readfile($file);
12264: }
12265:
12266: sub repcopy_userfile {
12267: my ($file)=@_;
1.1142 raeburn 12268: my $londocroot = $perlvar{'lonDocRoot'};
12269: if ($file =~ m{^/*(uploaded|editupload)/}) { $file=&filelocation("",$file); }
1.1164 raeburn 12270: if ($file =~ m{^\Q/home/httpd/lonUsers/\E}) { return 'ok'; }
1.538 albertel 12271: my ($cdom,$cnum,$filename) =
1.811 albertel 12272: ($file=~m|^\Q$perlvar{'lonDocRoot'}\E/+userfiles/+($match_domain)/+($match_name)/+(.*)|);
1.538 albertel 12273: my $uri="/uploaded/$cdom/$cnum/$filename";
12274: if (-e "$file") {
1.828 www 12275: # we already have a local copy, check it out
1.538 albertel 12276: my @fileinfo = stat($file);
1.828 www 12277: my $rtncode;
12278: my $info;
1.538 albertel 12279: my $lwpresp = &getuploaded('HEAD',$uri,$cdom,$cnum,\$info,\$rtncode);
1.482 albertel 12280: if ($lwpresp ne 'ok') {
1.828 www 12281: # there is no such file anymore, even though we had a local copy
1.482 albertel 12282: if ($rtncode eq '404') {
1.538 albertel 12283: unlink($file);
1.482 albertel 12284: }
12285: return -1;
12286: }
12287: if ($info < $fileinfo[9]) {
1.828 www 12288: # nice, the file we have is up-to-date, just say okay
1.607 raeburn 12289: return 'ok';
1.828 www 12290: } else {
12291: # the file is outdated, get rid of it
12292: unlink($file);
1.482 albertel 12293: }
1.828 www 12294: }
12295: # one way or the other, at this point, we don't have the file
12296: # construct the correct path for the file
12297: my @parts = ($cdom,$cnum);
12298: if ($filename =~ m|^(.+)/[^/]+$|) {
12299: push @parts, split(/\//,$1);
12300: }
12301: my $path = $perlvar{'lonDocRoot'}.'/userfiles';
12302: foreach my $part (@parts) {
12303: $path .= '/'.$part;
12304: if (!-e $path) {
12305: mkdir($path,0770);
1.482 albertel 12306: }
12307: }
1.828 www 12308: # now the path exists for sure
12309: # get a user agent
12310: my $ua=new LWP::UserAgent;
12311: my $transferfile=$file.'.in.transfer';
12312: # FIXME: this should flock
12313: if (-e $transferfile) { return 'ok'; }
12314: my $request;
12315: $uri=~s/^\///;
1.980 raeburn 12316: my $homeserver = &homeserver($cnum,$cdom);
12317: my $protocol = $protocol{$homeserver};
12318: $protocol = 'http' if ($protocol ne 'https');
12319: $request=new HTTP::Request('GET',$protocol.'://'.&hostname($homeserver).'/raw/'.$uri);
1.828 www 12320: my $response=$ua->request($request,$transferfile);
12321: # did it work?
12322: if ($response->is_error()) {
12323: unlink($transferfile);
12324: &logthis("Userfile repcopy failed for $uri");
12325: return -1;
12326: }
12327: # worked, rename the transfer file
12328: rename($transferfile,$file);
1.607 raeburn 12329: return 'ok';
1.481 raeburn 12330: }
12331:
1.517 albertel 12332: sub tokenwrapper {
12333: my $uri=shift;
1.980 raeburn 12334: $uri=~s|^https?\://([^/]+)||;
1.552 albertel 12335: $uri=~s|^/||;
1.620 albertel 12336: $env{'user.environment'}=~/\/([^\/]+)\.id/;
1.517 albertel 12337: my $token=$1;
1.552 albertel 12338: my (undef,$udom,$uname,$file)=split('/',$uri,4);
12339: if ($udom && $uname && $file) {
12340: $file=~s|(\?\.*)*$||;
1.949 raeburn 12341: &appenv({"userfile.$udom/$uname/$file" => $env{'request.course.id'}});
1.980 raeburn 12342: my $homeserver = &homeserver($uname,$udom);
12343: my $protocol = $protocol{$homeserver};
12344: $protocol = 'http' if ($protocol ne 'https');
12345: return $protocol.'://'.&hostname($homeserver).'/'.$uri.
1.517 albertel 12346: (($uri=~/\?/)?'&':'?').'token='.$token.
12347: '&tokenissued='.$perlvar{'lonHostID'};
12348: } else {
12349: return '/adm/notfound.html';
12350: }
12351: }
12352:
1.828 www 12353: # call with reqtype HEAD: get last modification time
12354: # call with reqtype GET: get the file contents
12355: # Do not call this with reqtype GET for large files! It loads everything into memory
12356: #
1.481 raeburn 12357: sub getuploaded {
12358: my ($reqtype,$uri,$cdom,$cnum,$info,$rtncode) = @_;
12359: $uri=~s/^\///;
1.980 raeburn 12360: my $homeserver = &homeserver($cnum,$cdom);
12361: my $protocol = $protocol{$homeserver};
12362: $protocol = 'http' if ($protocol ne 'https');
12363: $uri = $protocol.'://'.&hostname($homeserver).'/raw/'.$uri;
1.481 raeburn 12364: my $ua=new LWP::UserAgent;
12365: my $request=new HTTP::Request($reqtype,$uri);
12366: my $response=$ua->request($request);
12367: $$rtncode = $response->code;
1.482 albertel 12368: if (! $response->is_success()) {
12369: return 'failed';
12370: }
12371: if ($reqtype eq 'HEAD') {
1.486 www 12372: $$info = &HTTP::Date::str2time( $response->header('Last-modified') );
1.482 albertel 12373: } elsif ($reqtype eq 'GET') {
12374: $$info = $response->content;
1.472 albertel 12375: }
1.482 albertel 12376: return 'ok';
1.36 albertel 12377: }
12378:
1.481 raeburn 12379: sub readfile {
12380: my $file = shift;
12381: if ( (! -e $file ) || ($file eq '') ) { return -1; };
12382: my $fh;
12383: open($fh,"<$file");
12384: my $a='';
1.800 albertel 12385: while (my $line = <$fh>) { $a .= $line; }
1.481 raeburn 12386: return $a;
12387: }
12388:
1.36 albertel 12389: sub filelocation {
1.590 banghart 12390: my ($dir,$file) = @_;
12391: my $location;
12392: $file=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces
1.700 albertel 12393:
12394: if ($file =~ m-^/adm/-) {
12395: $file=~s-^/adm/wrapper/-/-;
12396: $file=~s-^/adm/coursedocs/showdoc/-/-;
12397: }
1.882 albertel 12398:
1.1139 www 12399: if ($file =~ m-^\Q$Apache::lonnet::perlvar{'lonTabDir'}\E/-) {
1.956 raeburn 12400: $location = $file;
1.609 banghart 12401: } elsif ($file=~/^\/*(uploaded|editupload)/) { # is an uploaded file
1.590 banghart 12402: my ($udom,$uname,$filename)=
1.811 albertel 12403: ($file=~m -^/+(?:uploaded|editupload)/+($match_domain)/+($match_name)/+(.*)$-);
1.590 banghart 12404: my $home=&homeserver($uname,$udom);
12405: my $is_me=0;
12406: my @ids=¤t_machine_ids();
12407: foreach my $id (@ids) { if ($id eq $home) { $is_me=1; } }
12408: if ($is_me) {
1.1117 foxr 12409: $location=propath($udom,$uname).'/userfiles/'.$filename;
1.590 banghart 12410: } else {
12411: $location=$Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles/'.
12412: $udom.'/'.$uname.'/'.$filename;
12413: }
1.882 albertel 12414: } elsif ($file =~ m-^/adm/-) {
12415: $location = $perlvar{'lonDocRoot'}.'/'.$file;
1.590 banghart 12416: } else {
12417: $file=~s/^\Q$perlvar{'lonDocRoot'}\E//;
1.1139 www 12418: $file=~s:^/(res|priv)/:/:;
12419: my $space=$1;
1.590 banghart 12420: if ( !( $file =~ m:^/:) ) {
12421: $location = $dir. '/'.$file;
12422: } else {
1.1142 raeburn 12423: $location = $perlvar{'lonDocRoot'}.'/'.$space.$file;
1.590 banghart 12424: }
1.59 albertel 12425: }
1.590 banghart 12426: $location=~s://+:/:g; # remove duplicate /
1.930 albertel 12427: while ($location=~m{/\.\./}) {
12428: if ($location =~ m{/[^/]+/\.\./}) {
12429: $location=~ s{/[^/]+/\.\./}{/}g;
12430: } else {
12431: $location=~ s{/\.\./}{/}g;
12432: }
12433: } #remove dir/..
1.590 banghart 12434: while ($location=~m:/\./:) {$location=~ s:/\./:/:g;} #remove /./
12435: return $location;
1.46 www 12436: }
1.36 albertel 12437:
1.46 www 12438: sub hreflocation {
12439: my ($dir,$file)=@_;
1.980 raeburn 12440: unless (($file=~m-^https?\://-i) || ($file=~m-^/-)) {
1.666 albertel 12441: $file=filelocation($dir,$file);
1.700 albertel 12442: } elsif ($file=~m-^/adm/-) {
12443: $file=~s-^/adm/wrapper/-/-;
12444: $file=~s-^/adm/coursedocs/showdoc/-/-;
1.666 albertel 12445: }
12446: if ($file=~m-^\Q$perlvar{'lonDocRoot'}\E-) {
12447: $file=~s-^\Q$perlvar{'lonDocRoot'}\E--;
12448: } elsif ($file=~m-^\Q$perlvar{'lonUsersDir'}\E-) {
1.1143 raeburn 12449: $file=~s{^/home/httpd/lonUsers/($match_domain)/./././($match_name)/userfiles/}
12450: {/uploaded/$1/$2/}x;
1.46 www 12451: }
1.913 albertel 12452: if ($file=~ m{^/userfiles/}) {
12453: $file =~ s{^/userfiles/}{/uploaded/};
12454: }
1.462 albertel 12455: return $file;
1.465 albertel 12456: }
12457:
1.1139 www 12458:
12459:
12460:
12461:
1.465 albertel 12462: sub current_machine_domains {
1.853 albertel 12463: return &machine_domains(&hostname($perlvar{'lonHostID'}));
12464: }
12465:
12466: sub machine_domains {
12467: my ($hostname) = @_;
1.465 albertel 12468: my @domains;
1.838 albertel 12469: my %hostname = &all_hostnames();
1.465 albertel 12470: while( my($id, $name) = each(%hostname)) {
1.467 matthew 12471: # &logthis("-$id-$name-$hostname-");
1.465 albertel 12472: if ($hostname eq $name) {
1.844 albertel 12473: push(@domains,&host_domain($id));
1.465 albertel 12474: }
12475: }
12476: return @domains;
12477: }
12478:
12479: sub current_machine_ids {
1.853 albertel 12480: return &machine_ids(&hostname($perlvar{'lonHostID'}));
12481: }
12482:
12483: sub machine_ids {
12484: my ($hostname) = @_;
12485: $hostname ||= &hostname($perlvar{'lonHostID'});
1.465 albertel 12486: my @ids;
1.888 albertel 12487: my %name_to_host = &all_names();
1.889 albertel 12488: if (ref($name_to_host{$hostname}) eq 'ARRAY') {
12489: return @{ $name_to_host{$hostname} };
12490: }
12491: return;
1.31 www 12492: }
12493:
1.824 raeburn 12494: sub additional_machine_domains {
12495: my @domains;
12496: open(my $fh,"<$perlvar{'lonTabDir'}/expected_domains.tab");
12497: while( my $line = <$fh>) {
12498: $line =~ s/\s//g;
12499: push(@domains,$line);
12500: }
12501: return @domains;
12502: }
12503:
12504: sub default_login_domain {
12505: my $domain = $perlvar{'lonDefDomain'};
12506: my $testdomain=(split(/\./,$ENV{'HTTP_HOST'}))[0];
12507: foreach my $posdom (¤t_machine_domains(),
12508: &additional_machine_domains()) {
12509: if (lc($posdom) eq lc($testdomain)) {
12510: $domain=$posdom;
12511: last;
12512: }
12513: }
12514: return $domain;
12515: }
12516:
1.31 www 12517: # ------------------------------------------------------------- Declutters URLs
12518:
12519: sub declutter {
12520: my $thisfn=shift;
1.569 albertel 12521: if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); }
1.1172.2.49 raeburn 12522: unless ($thisfn=~m{^/home/httpd/html/priv/}) {
12523: $thisfn=~s{^/home/httpd/html}{};
12524: }
1.31 www 12525: $thisfn=~s/^\///;
1.697 albertel 12526: $thisfn=~s|^adm/wrapper/||;
12527: $thisfn=~s|^adm/coursedocs/showdoc/||;
1.31 www 12528: $thisfn=~s/^res\///;
1.1172 bisitz 12529: $thisfn=~s/^priv\///;
1.1032 raeburn 12530: unless (($thisfn =~ /^ext/) || ($thisfn =~ /\.(page|sequence)___\d+___ext/)) {
12531: $thisfn=~s/\?.+$//;
12532: }
1.268 www 12533: return $thisfn;
12534: }
12535:
12536: # ------------------------------------------------------------- Clutter up URLs
12537:
12538: sub clutter {
12539: my $thisfn='/'.&declutter(shift);
1.887 albertel 12540: if ($thisfn !~ m{^/(uploaded|editupload|adm|userfiles|ext|raw|priv|public)/}
1.884 albertel 12541: || $thisfn =~ m{^/adm/(includes|pages)} ) {
1.270 www 12542: $thisfn='/res'.$thisfn;
12543: }
1.1031 raeburn 12544: if ($thisfn !~m|^/adm|) {
12545: if ($thisfn =~ m|^/ext/|) {
1.694 albertel 12546: $thisfn='/adm/wrapper'.$thisfn;
1.695 albertel 12547: } else {
12548: my ($ext) = ($thisfn =~ /\.(\w+)$/);
12549: my $embstyle=&Apache::loncommon::fileembstyle($ext);
1.698 albertel 12550: if ($embstyle eq 'ssi'
12551: || ($embstyle eq 'hdn')
12552: || ($embstyle eq 'rat')
12553: || ($embstyle eq 'prv')
12554: || ($embstyle eq 'ign')) {
12555: #do nothing with these
12556: } elsif (($embstyle eq 'img')
1.695 albertel 12557: || ($embstyle eq 'emb')
12558: || ($embstyle eq 'wrp')) {
12559: $thisfn='/adm/wrapper'.$thisfn;
1.698 albertel 12560: } elsif ($embstyle eq 'unk'
12561: && $thisfn!~/\.(sequence|page)$/) {
1.695 albertel 12562: $thisfn='/adm/coursedocs/showdoc'.$thisfn;
1.698 albertel 12563: } else {
1.718 www 12564: # &logthis("Got a blank emb style");
1.695 albertel 12565: }
1.694 albertel 12566: }
1.1172.2.93.4 2(raebur 12567:7): } elsif ($thisfn =~ m{^/adm/$match_domain/$match_courseid/\d+/ext\.tool$}) {
12568:7): $thisfn='/adm/wrapper'.$thisfn;
1.694 albertel 12569: }
1.31 www 12570: return $thisfn;
1.12 www 12571: }
12572:
1.787 albertel 12573: sub clutter_with_no_wrapper {
12574: my $uri = &clutter(shift);
12575: if ($uri =~ m-^/adm/-) {
12576: $uri =~ s-^/adm/wrapper/-/-;
12577: $uri =~ s-^/adm/coursedocs/showdoc/-/-;
12578: }
12579: return $uri;
12580: }
12581:
1.557 albertel 12582: sub freeze_escape {
12583: my ($value)=@_;
12584: if (ref($value)) {
12585: $value=&nfreeze($value);
12586: return '__FROZEN__'.&escape($value);
12587: }
12588: return &escape($value);
12589: }
12590:
1.11 www 12591:
1.557 albertel 12592: sub thaw_unescape {
12593: my ($value)=@_;
12594: if ($value =~ /^__FROZEN__/) {
12595: substr($value,0,10,undef);
12596: $value=&unescape($value);
12597: return &thaw($value);
12598: }
12599: return &unescape($value);
12600: }
12601:
1.436 albertel 12602: sub correct_line_ends {
12603: my ($result)=@_;
12604: $$result =~s/\r\n/\n/mg;
12605: $$result =~s/\r/\n/mg;
1.415 albertel 12606: }
1.1 albertel 12607: # ================================================================ Main Program
12608:
1.184 www 12609: sub goodbye {
1.204 albertel 12610: &logthis("Starting Shut down");
1.443 albertel 12611: #not converted to using infrastruture and probably shouldn't be
1.870 albertel 12612: &logthis(sprintf("%-20s is %s",'%badServerCache',length(&nfreeze(\%badServerCache))));
1.443 albertel 12613: #converted
1.599 albertel 12614: # &logthis(sprintf("%-20s is %s",'%metacache',scalar(%metacache)));
1.870 albertel 12615: &logthis(sprintf("%-20s is %s",'%homecache',length(&nfreeze(\%homecache))));
12616: # &logthis(sprintf("%-20s is %s",'%titlecache',length(&nfreeze(\%titlecache))));
12617: # &logthis(sprintf("%-20s is %s",'%courseresdatacache',length(&nfreeze(\%courseresdatacache))));
1.425 albertel 12618: #1.1 only
1.870 albertel 12619: # &logthis(sprintf("%-20s is %s",'%userresdatacache',length(&nfreeze(\%userresdatacache))));
12620: # &logthis(sprintf("%-20s is %s",'%getsectioncache',length(&nfreeze(\%getsectioncache))));
12621: # &logthis(sprintf("%-20s is %s",'%courseresversioncache',length(&nfreeze(\%courseresversioncache))));
12622: # &logthis(sprintf("%-20s is %s",'%resversioncache',length(&nfreeze(\%resversioncache))));
12623: &logthis(sprintf("%-20s is %s",'%remembered',length(&nfreeze(\%remembered))));
1.599 albertel 12624: &logthis(sprintf("%-20s is %s",'kicks',$kicks));
12625: &logthis(sprintf("%-20s is %s",'hits',$hits));
1.184 www 12626: &flushcourselogs();
12627: &logthis("Shutting down");
12628: }
12629:
1.852 albertel 12630: sub get_dns {
1.1172.2.17 raeburn 12631: my ($url,$func,$ignore_cache,$nocache,$hashref) = @_;
1.869 albertel 12632: if (!$ignore_cache) {
12633: my ($content,$cached)=
12634: &Apache::lonnet::is_cached_new('dns',$url);
12635: if ($cached) {
1.1172.2.17 raeburn 12636: &$func($content,$hashref);
1.869 albertel 12637: return;
12638: }
12639: }
12640:
12641: my %alldns;
1.852 albertel 12642: open(my $config,"<$perlvar{'lonTabDir'}/hosts.tab");
12643: foreach my $dns (<$config>) {
12644: next if ($dns !~ /^\^(\S*)/x);
1.979 raeburn 12645: my $line = $1;
12646: my ($host,$protocol) = split(/:/,$line);
12647: if ($protocol ne 'https') {
12648: $protocol = 'http';
12649: }
12650: $alldns{$host} = $protocol;
1.869 albertel 12651: }
12652: while (%alldns) {
1.1172.2.52 raeburn 12653: my ($dns) = sort { $b cmp $a } keys(%alldns);
1.852 albertel 12654: my $ua=new LWP::UserAgent;
1.1134 raeburn 12655: $ua->timeout(30);
1.979 raeburn 12656: my $request=new HTTP::Request('GET',"$alldns{$dns}://$dns$url");
1.852 albertel 12657: my $response=$ua->request($request);
1.979 raeburn 12658: delete($alldns{$dns});
1.852 albertel 12659: next if ($response->is_error());
12660: my @content = split("\n",$response->content);
1.1172.2.17 raeburn 12661: unless ($nocache) {
1.1172.2.23 raeburn 12662: &do_cache_new('dns',$url,\@content,30*24*60*60);
1.1172.2.17 raeburn 12663: }
12664: &$func(\@content,$hashref);
1.869 albertel 12665: return;
1.852 albertel 12666: }
12667: close($config);
1.871 albertel 12668: my $which = (split('/',$url))[3];
12669: &logthis("unable to contact DNS defaulting to on disk file dns_$which.tab\n");
12670: open($config,"<$perlvar{'lonTabDir'}/dns_$which.tab");
1.869 albertel 12671: my @content = <$config>;
1.1172.2.17 raeburn 12672: &$func(\@content,$hashref);
12673: return;
12674: }
12675:
12676: # ------------------------------------------------------Get DNS checksums file
12677: sub parse_dns_checksums_tab {
12678: my ($lines,$hashref) = @_;
1.1172.2.53 raeburn 12679: my $lonhost = $perlvar{'lonHostID'};
12680: my $machine_dom = &Apache::lonnet::host_domain($lonhost);
1.1172.2.17 raeburn 12681: my $loncaparev = &get_server_loncaparev($machine_dom);
1.1172.2.53 raeburn 12682: my $distro = (split(/\:/,&get_server_distarch($lonhost)))[0];
12683: my $webconfdir = '/etc/httpd/conf';
12684: if ($distro =~ /^(ubuntu|debian)(\d+)$/) {
12685: $webconfdir = '/etc/apache2';
12686: } elsif ($distro =~ /^sles(\d+)$/) {
12687: if ($1 >= 10) {
12688: $webconfdir = '/etc/apache2';
12689: }
12690: } elsif ($distro =~ /^suse(\d+\.\d+)$/) {
12691: if ($1 >= 10.0) {
12692: $webconfdir = '/etc/apache2';
12693: }
12694: }
1.1172.2.17 raeburn 12695: my ($release,$timestamp) = split(/\-/,$loncaparev);
12696: my (%chksum,%revnum);
12697: if (ref($lines) eq 'ARRAY') {
12698: chomp(@{$lines});
1.1172.2.34 raeburn 12699: my $version = shift(@{$lines});
12700: if ($version eq $release) {
1.1172.2.17 raeburn 12701: foreach my $line (@{$lines}) {
1.1172.2.34 raeburn 12702: my ($file,$version,$shasum) = split(/,/,$line);
1.1172.2.53 raeburn 12703: if ($file =~ m{^/etc/httpd/conf}) {
12704: if ($webconfdir eq '/etc/apache2') {
12705: $file =~ s{^\Q/etc/httpd/conf/\E}{$webconfdir/};
12706: }
12707: }
1.1172.2.34 raeburn 12708: $chksum{$file} = $shasum;
12709: $revnum{$file} = $version;
1.1172.2.17 raeburn 12710: }
12711: if (ref($hashref) eq 'HASH') {
12712: %{$hashref} = (
12713: sums => \%chksum,
12714: versions => \%revnum,
12715: );
12716: }
12717: }
12718: }
1.869 albertel 12719: return;
1.852 albertel 12720: }
1.1172.2.17 raeburn 12721:
12722: sub fetch_dns_checksums {
12723: my %checksums;
1.1172.2.34 raeburn 12724: my $machine_dom = &Apache::lonnet::host_domain($perlvar{'lonHostID'});
1.1172.2.48 raeburn 12725: my $loncaparev = &get_server_loncaparev($machine_dom,$perlvar{'lonHostID'});
1.1172.2.34 raeburn 12726: my ($release,$timestamp) = split(/\-/,$loncaparev);
12727: &get_dns("/adm/dns/checksums/$release",\&parse_dns_checksums_tab,1,1,
1.1172.2.17 raeburn 12728: \%checksums);
12729: return \%checksums;
12730: }
12731:
1.327 albertel 12732: # ------------------------------------------------------------ Read domain file
12733: {
1.852 albertel 12734: my $loaded;
1.846 albertel 12735: my %domain;
12736:
1.852 albertel 12737: sub parse_domain_tab {
12738: my ($lines) = @_;
12739: foreach my $line (@$lines) {
12740: next if ($line =~ /^(\#|\s*$ )/x);
1.403 www 12741:
1.846 albertel 12742: chomp($line);
1.852 albertel 12743: my ($name,@elements) = split(/:/,$line,9);
1.846 albertel 12744: my %this_domain;
12745: foreach my $field ('description', 'auth_def', 'auth_arg_def',
12746: 'lang_def', 'city', 'longi', 'lati',
12747: 'primary') {
12748: $this_domain{$field} = shift(@elements);
12749: }
12750: $domain{$name} = \%this_domain;
1.852 albertel 12751: }
12752: }
1.864 albertel 12753:
12754: sub reset_domain_info {
12755: undef($loaded);
12756: undef(%domain);
12757: }
12758:
1.852 albertel 12759: sub load_domain_tab {
1.1172.2.70 raeburn 12760: my ($ignore_cache,$nocache) = @_;
12761: &get_dns('/adm/dns/domain',\&parse_domain_tab,$ignore_cache,$nocache);
1.852 albertel 12762: my $fh;
12763: if (open($fh,"<".$perlvar{'lonTabDir'}.'/domain.tab')) {
12764: my @lines = <$fh>;
12765: &parse_domain_tab(\@lines);
1.448 albertel 12766: }
1.852 albertel 12767: close($fh);
12768: $loaded = 1;
1.327 albertel 12769: }
1.846 albertel 12770:
12771: sub domain {
1.852 albertel 12772: &load_domain_tab() if (!$loaded);
12773:
1.846 albertel 12774: my ($name,$what) = @_;
12775: return if ( !exists($domain{$name}) );
12776:
12777: if (!$what) {
12778: return $domain{$name}{'description'};
12779: }
12780: return $domain{$name}{$what};
12781: }
1.974 raeburn 12782:
12783: sub domain_info {
12784: &load_domain_tab() if (!$loaded);
12785: return %domain;
12786: }
12787:
1.327 albertel 12788: }
12789:
12790:
1.1 albertel 12791: # ------------------------------------------------------------- Read hosts file
12792: {
1.838 albertel 12793: my %hostname;
1.844 albertel 12794: my %hostdom;
1.845 albertel 12795: my %libserv;
1.852 albertel 12796: my $loaded;
1.888 albertel 12797: my %name_to_host;
1.1074 raeburn 12798: my %internetdom;
1.1107 raeburn 12799: my %LC_dns_serv;
1.852 albertel 12800:
12801: sub parse_hosts_tab {
12802: my ($file) = @_;
12803: foreach my $configline (@$file) {
12804: next if ($configline =~ /^(\#|\s*$ )/x);
1.1107 raeburn 12805: chomp($configline);
12806: if ($configline =~ /^\^/) {
12807: if ($configline =~ /^\^([\w.\-]+)/) {
12808: $LC_dns_serv{$1} = 1;
12809: }
12810: next;
12811: }
1.1074 raeburn 12812: my ($id,$domain,$role,$name,$protocol,$intdom)=split(/:/,$configline);
1.852 albertel 12813: $name=~s/\s//g;
12814: if ($id && $domain && $role && $name) {
12815: $hostname{$id}=$name;
1.888 albertel 12816: push(@{$name_to_host{$name}}, $id);
1.852 albertel 12817: $hostdom{$id}=$domain;
12818: if ($role eq 'library') { $libserv{$id}=$name; }
1.969 raeburn 12819: if (defined($protocol)) {
12820: if ($protocol eq 'https') {
12821: $protocol{$id} = $protocol;
12822: } else {
12823: $protocol{$id} = 'http';
12824: }
1.968 raeburn 12825: } else {
1.969 raeburn 12826: $protocol{$id} = 'http';
1.968 raeburn 12827: }
1.1074 raeburn 12828: if (defined($intdom)) {
12829: $internetdom{$id} = $intdom;
12830: }
1.852 albertel 12831: }
12832: }
12833: }
1.864 albertel 12834:
12835: sub reset_hosts_info {
1.897 albertel 12836: &purge_remembered();
1.864 albertel 12837: &reset_domain_info();
12838: &reset_hosts_ip_info();
1.892 albertel 12839: undef(%name_to_host);
1.864 albertel 12840: undef(%hostname);
12841: undef(%hostdom);
12842: undef(%libserv);
12843: undef($loaded);
12844: }
1.1 albertel 12845:
1.852 albertel 12846: sub load_hosts_tab {
1.1172.2.70 raeburn 12847: my ($ignore_cache,$nocache) = @_;
12848: &get_dns('/adm/dns/hosts',\&parse_hosts_tab,$ignore_cache,$nocache);
1.852 albertel 12849: open(my $config,"<$perlvar{'lonTabDir'}/hosts.tab");
12850: my @config = <$config>;
12851: &parse_hosts_tab(\@config);
12852: close($config);
12853: $loaded=1;
1.1 albertel 12854: }
1.852 albertel 12855:
1.838 albertel 12856: sub hostname {
1.852 albertel 12857: &load_hosts_tab() if (!$loaded);
12858:
1.838 albertel 12859: my ($lonid) = @_;
12860: return $hostname{$lonid};
12861: }
1.845 albertel 12862:
1.838 albertel 12863: sub all_hostnames {
1.852 albertel 12864: &load_hosts_tab() if (!$loaded);
12865:
1.838 albertel 12866: return %hostname;
12867: }
1.845 albertel 12868:
1.888 albertel 12869: sub all_names {
1.1172.2.70 raeburn 12870: my ($ignore_cache,$nocache) = @_;
12871: &load_hosts_tab($ignore_cache,$nocache) if (!$loaded);
1.888 albertel 12872:
12873: return %name_to_host;
12874: }
12875:
1.974 raeburn 12876: sub all_host_domain {
12877: &load_hosts_tab() if (!$loaded);
12878: return %hostdom;
12879: }
12880:
1.845 albertel 12881: sub is_library {
1.852 albertel 12882: &load_hosts_tab() if (!$loaded);
12883:
1.845 albertel 12884: return exists($libserv{$_[0]});
12885: }
12886:
12887: sub all_library {
1.852 albertel 12888: &load_hosts_tab() if (!$loaded);
12889:
1.845 albertel 12890: return %libserv;
12891: }
12892:
1.1062 droeschl 12893: sub unique_library {
12894: #2x reverse removes all hostnames that appear more than once
12895: my %unique = reverse &all_library();
12896: return reverse %unique;
12897: }
12898:
1.841 albertel 12899: sub get_servers {
1.852 albertel 12900: &load_hosts_tab() if (!$loaded);
12901:
1.841 albertel 12902: my ($domain,$type) = @_;
12903: my %possible_hosts = ($type eq 'library') ? %libserv
12904: : %hostname;
12905: my %result;
1.842 albertel 12906: if (ref($domain) eq 'ARRAY') {
12907: while ( my ($host,$hostname) = each(%possible_hosts)) {
1.843 albertel 12908: if (grep(/^\Q$hostdom{$host}\E$/,@$domain)) {
1.842 albertel 12909: $result{$host} = $hostname;
12910: }
12911: }
12912: } else {
12913: while ( my ($host,$hostname) = each(%possible_hosts)) {
12914: if ($hostdom{$host} eq $domain) {
12915: $result{$host} = $hostname;
12916: }
1.841 albertel 12917: }
12918: }
12919: return %result;
12920: }
1.845 albertel 12921:
1.1062 droeschl 12922: sub get_unique_servers {
12923: my %unique = reverse &get_servers(@_);
12924: return reverse %unique;
12925: }
12926:
1.844 albertel 12927: sub host_domain {
1.852 albertel 12928: &load_hosts_tab() if (!$loaded);
12929:
1.844 albertel 12930: my ($lonid) = @_;
12931: return $hostdom{$lonid};
12932: }
12933:
1.841 albertel 12934: sub all_domains {
1.852 albertel 12935: &load_hosts_tab() if (!$loaded);
12936:
1.841 albertel 12937: my %seen;
12938: my @uniq = grep(!$seen{$_}++, values(%hostdom));
12939: return @uniq;
12940: }
1.1074 raeburn 12941:
12942: sub internet_dom {
12943: &load_hosts_tab() if (!$loaded);
12944:
12945: my ($lonid) = @_;
12946: return $internetdom{$lonid};
12947: }
1.1107 raeburn 12948:
12949: sub is_LC_dns {
12950: &load_hosts_tab() if (!$loaded);
12951:
12952: my ($hostname) = @_;
12953: return exists($LC_dns_serv{$hostname});
12954: }
12955:
1.1 albertel 12956: }
12957:
1.847 albertel 12958: {
12959: my %iphost;
1.856 albertel 12960: my %name_to_ip;
12961: my %lonid_to_ip;
1.869 albertel 12962:
1.847 albertel 12963: sub get_hosts_from_ip {
12964: my ($ip) = @_;
12965: my %iphosts = &get_iphost();
12966: if (ref($iphosts{$ip})) {
12967: return @{$iphosts{$ip}};
12968: }
12969: return;
1.839 albertel 12970: }
1.864 albertel 12971:
12972: sub reset_hosts_ip_info {
12973: undef(%iphost);
12974: undef(%name_to_ip);
12975: undef(%lonid_to_ip);
12976: }
1.856 albertel 12977:
12978: sub get_host_ip {
12979: my ($lonid) = @_;
12980: if (exists($lonid_to_ip{$lonid})) {
12981: return $lonid_to_ip{$lonid};
12982: }
12983: my $name=&hostname($lonid);
12984: my $ip = gethostbyname($name);
12985: return if (!$ip || length($ip) ne 4);
12986: $ip=inet_ntoa($ip);
12987: $name_to_ip{$name} = $ip;
12988: $lonid_to_ip{$lonid} = $ip;
12989: return $ip;
12990: }
1.847 albertel 12991:
12992: sub get_iphost {
1.1172.2.70 raeburn 12993: my ($ignore_cache,$nocache) = @_;
1.894 albertel 12994:
1.869 albertel 12995: if (!$ignore_cache) {
12996: if (%iphost) {
12997: return %iphost;
12998: }
12999: my ($ip_info,$cached)=
13000: &Apache::lonnet::is_cached_new('iphost','iphost');
13001: if ($cached) {
13002: %iphost = %{$ip_info->[0]};
13003: %name_to_ip = %{$ip_info->[1]};
13004: %lonid_to_ip = %{$ip_info->[2]};
13005: return %iphost;
13006: }
13007: }
1.894 albertel 13008:
13009: # get yesterday's info for fallback
13010: my %old_name_to_ip;
13011: my ($ip_info,$cached)=
13012: &Apache::lonnet::is_cached_new('iphost','iphost');
13013: if ($cached) {
13014: %old_name_to_ip = %{$ip_info->[1]};
13015: }
13016:
1.1172.2.70 raeburn 13017: my %name_to_host = &all_names($ignore_cache,$nocache);
1.888 albertel 13018: foreach my $name (keys(%name_to_host)) {
1.847 albertel 13019: my $ip;
13020: if (!exists($name_to_ip{$name})) {
13021: $ip = gethostbyname($name);
13022: if (!$ip || length($ip) ne 4) {
1.894 albertel 13023: if (defined($old_name_to_ip{$name})) {
13024: $ip = $old_name_to_ip{$name};
13025: &logthis("Can't find $name defaulting to old $ip");
13026: } else {
13027: &logthis("Name $name no IP found");
13028: next;
13029: }
13030: } else {
13031: $ip=inet_ntoa($ip);
1.847 albertel 13032: }
13033: $name_to_ip{$name} = $ip;
13034: } else {
13035: $ip = $name_to_ip{$name};
1.653 albertel 13036: }
1.888 albertel 13037: foreach my $id (@{ $name_to_host{$name} }) {
13038: $lonid_to_ip{$id} = $ip;
13039: }
13040: push(@{$iphost{$ip}},@{$name_to_host{$name}});
1.598 albertel 13041: }
1.1172.2.70 raeburn 13042: unless ($nocache) {
13043: &do_cache_new('iphost','iphost',
13044: [\%iphost,\%name_to_ip,\%lonid_to_ip],
13045: 48*60*60);
13046: }
1.869 albertel 13047:
1.847 albertel 13048: return %iphost;
1.598 albertel 13049: }
13050:
1.992 raeburn 13051: #
13052: # Given a DNS returns the loncapa host name for that DNS
13053: #
13054: sub host_from_dns {
13055: my ($dns) = @_;
13056: my @hosts;
13057: my $ip;
13058:
1.993 raeburn 13059: if (exists($name_to_ip{$dns})) {
1.992 raeburn 13060: $ip = $name_to_ip{$dns};
13061: }
13062: if (!$ip) {
13063: $ip = gethostbyname($dns); # Initial translation to IP is in net order.
13064: if (length($ip) == 4) {
13065: $ip = &IO::Socket::inet_ntoa($ip);
13066: }
13067: }
13068: if ($ip) {
13069: @hosts = get_hosts_from_ip($ip);
13070: return $hosts[0];
13071: }
13072: return undef;
1.986 foxr 13073: }
1.992 raeburn 13074:
1.1074 raeburn 13075: sub get_internet_names {
13076: my ($lonid) = @_;
13077: return if ($lonid eq '');
13078: my ($idnref,$cached)=
13079: &Apache::lonnet::is_cached_new('internetnames',$lonid);
13080: if ($cached) {
13081: return $idnref;
13082: }
13083: my $ip = &get_host_ip($lonid);
13084: my @hosts = &get_hosts_from_ip($ip);
13085: my %iphost = &get_iphost();
13086: my (@idns,%seen);
13087: foreach my $id (@hosts) {
13088: my $dom = &host_domain($id);
13089: my $prim_id = &domain($dom,'primary');
13090: my $prim_ip = &get_host_ip($prim_id);
13091: next if ($seen{$prim_ip});
13092: if (ref($iphost{$prim_ip}) eq 'ARRAY') {
13093: foreach my $id (@{$iphost{$prim_ip}}) {
13094: my $intdom = &internet_dom($id);
13095: unless (grep(/^\Q$intdom\E$/,@idns)) {
13096: push(@idns,$intdom);
13097: }
13098: }
13099: }
13100: $seen{$prim_ip} = 1;
13101: }
1.1172.2.23 raeburn 13102: return &do_cache_new('internetnames',$lonid,\@idns,12*60*60);
1.1074 raeburn 13103: }
13104:
1.986 foxr 13105: }
13106:
1.1079 raeburn 13107: sub all_loncaparevs {
1.1172.2.39 raeburn 13108: return qw(1.1 1.2 1.3 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11);
1.1079 raeburn 13109: }
13110:
1.1172.2.27 raeburn 13111: # ------------------------------------------------------- Read loncaparev table
13112: {
13113: sub load_loncaparevs {
13114: if (-e "$perlvar{'lonTabDir'}/loncaparevs.tab") {
13115: if (open(my $config,"<$perlvar{'lonTabDir'}/loncaparevs.tab")) {
13116: while (my $configline=<$config>) {
13117: chomp($configline);
13118: my ($hostid,$loncaparev)=split(/:/,$configline);
13119: $loncaparevs{$hostid}=$loncaparev;
13120: }
13121: close($config);
13122: }
13123: }
13124: }
13125: }
13126:
13127: # ----------------------------------------------------- Read serverhostID table
13128: {
13129: sub load_serverhomeIDs {
13130: if (-e "$perlvar{'lonTabDir'}/serverhomeIDs.tab") {
13131: if (open(my $config,"<$perlvar{'lonTabDir'}/serverhomeIDs.tab")) {
13132: while (my $configline=<$config>) {
13133: chomp($configline);
13134: my ($name,$id)=split(/:/,$configline);
13135: $serverhomeIDs{$name}=$id;
13136: }
13137: close($config);
13138: }
13139: }
13140: }
13141: }
13142:
13143:
1.862 albertel 13144: BEGIN {
13145:
13146: # ----------------------------------- Read loncapa.conf and loncapa_apache.conf
13147: unless ($readit) {
13148: {
13149: my $configvars = LONCAPA::Configuration::read_conf('loncapa.conf');
13150: %perlvar = (%perlvar,%{$configvars});
13151: }
13152:
13153:
1.1 albertel 13154: # ------------------------------------------------------ Read spare server file
13155: {
1.448 albertel 13156: open(my $config,"<$perlvar{'lonTabDir'}/spare.tab");
1.1 albertel 13157:
13158: while (my $configline=<$config>) {
13159: chomp($configline);
1.284 matthew 13160: if ($configline) {
1.784 albertel 13161: my ($host,$type) = split(':',$configline,2);
1.785 albertel 13162: if (!defined($type) || $type eq '') { $type = 'default' };
1.784 albertel 13163: push(@{ $spareid{$type} }, $host);
1.1 albertel 13164: }
13165: }
1.448 albertel 13166: close($config);
1.1 albertel 13167: }
1.11 www 13168: # ------------------------------------------------------------ Read permissions
13169: {
1.448 albertel 13170: open(my $config,"<$perlvar{'lonTabDir'}/roles.tab");
1.11 www 13171:
13172: while (my $configline=<$config>) {
1.448 albertel 13173: chomp($configline);
13174: if ($configline) {
13175: my ($role,$perm)=split(/ /,$configline);
13176: if ($perm ne '') { $pr{$role}=$perm; }
13177: }
1.11 www 13178: }
1.448 albertel 13179: close($config);
1.11 www 13180: }
13181:
13182: # -------------------------------------------- Read plain texts for permissions
13183: {
1.448 albertel 13184: open(my $config,"<$perlvar{'lonTabDir'}/rolesplain.tab");
1.11 www 13185:
13186: while (my $configline=<$config>) {
1.448 albertel 13187: chomp($configline);
13188: if ($configline) {
1.742 raeburn 13189: my ($short,@plain)=split(/:/,$configline);
13190: %{$prp{$short}} = ();
13191: if (@plain > 0) {
13192: $prp{$short}{'std'} = $plain[0];
13193: for (my $i=1; $i<@plain; $i++) {
13194: $prp{$short}{'alt'.$i} = $plain[$i];
13195: }
13196: }
1.448 albertel 13197: }
1.135 www 13198: }
1.448 albertel 13199: close($config);
1.135 www 13200: }
13201:
13202: # ---------------------------------------------------------- Read package table
13203: {
1.448 albertel 13204: open(my $config,"<$perlvar{'lonTabDir'}/packages.tab");
1.135 www 13205:
13206: while (my $configline=<$config>) {
1.483 albertel 13207: if ($configline !~ /\S/ || $configline=~/^#/) { next; }
1.448 albertel 13208: chomp($configline);
13209: my ($short,$plain)=split(/:/,$configline);
13210: my ($pack,$name)=split(/\&/,$short);
13211: if ($plain ne '') {
13212: $packagetab{$pack.'&'.$name.'&name'}=$name;
13213: $packagetab{$short}=$plain;
13214: }
1.11 www 13215: }
1.448 albertel 13216: close($config);
1.329 matthew 13217: }
13218:
1.1172.2.27 raeburn 13219: # --------------------------------------------------------- Read loncaparev table
1.1073 raeburn 13220:
1.1172.2.27 raeburn 13221: &load_loncaparevs();
13222:
13223: # ------------------------------------------------------- Read serverhostID table
13224:
13225: &load_serverhomeIDs();
1.1074 raeburn 13226:
1.1172.2.27 raeburn 13227: # ---------------------------------------------------------- Read releaseslist XML
1.1079 raeburn 13228: {
13229: my $file = $Apache::lonnet::perlvar{'lonTabDir'}.'/releaseslist.xml';
13230: if (-e $file) {
13231: my $parser = HTML::LCParser->new($file);
13232: while (my $token = $parser->get_token()) {
13233: if ($token->[0] eq 'S') {
13234: my $item = $token->[1];
13235: my $name = $token->[2]{'name'};
13236: my $value = $token->[2]{'value'};
13237: if ($item ne '' && $name ne '' && $value ne '') {
13238: my $release = $parser->get_text();
13239: $release =~ s/(^\s*|\s*$ )//gx;
13240: $needsrelease{$item.':'.$name.':'.$value} = $release;
13241: }
13242: }
13243: }
13244: }
1.1073 raeburn 13245: }
13246:
1.1138 raeburn 13247: # ---------------------------------------------------------- Read managers table
13248: {
13249: if (-e "$perlvar{'lonTabDir'}/managers.tab") {
13250: if (open(my $config,"<$perlvar{'lonTabDir'}/managers.tab")) {
13251: while (my $configline=<$config>) {
13252: chomp($configline);
13253: next if ($configline =~ /^\#/);
13254: if (($configline =~ /^[\w\-]+$/) || ($configline =~ /^[\w\-]+\:[\w\-]+$/)) {
13255: $managerstab{$configline} = 1;
13256: }
13257: }
13258: close($config);
13259: }
13260: }
13261: }
13262:
1.329 matthew 13263: # ------------- set up temporary directory
13264: {
1.1117 foxr 13265: $tmpdir = LONCAPA::tempdir();
1.329 matthew 13266:
1.11 www 13267: }
13268:
1.794 albertel 13269: $memcache=new Cache::Memcached({'servers' => ['127.0.0.1:11211'],
13270: 'compress_threshold'=> 20_000,
13271: });
1.185 www 13272:
1.281 www 13273: $processmarker='_'.time.'_'.$perlvar{'lonHostID'};
1.186 www 13274: $dumpcount=0;
1.958 www 13275: $locknum=0;
1.22 www 13276:
1.163 harris41 13277: &logtouch();
1.672 albertel 13278: &logthis('<font color="yellow">INFO: Read configuration</font>');
1.195 www 13279: $readit=1;
1.564 albertel 13280: {
13281: use integer;
13282: my $test=(2**32)+1;
1.568 albertel 13283: if ($test != 0) { $_64bit=1; } else { $_64bit=0; }
1.564 albertel 13284: &logthis(" Detected 64bit platform ($_64bit)");
13285: }
1.195 www 13286: }
1.1 albertel 13287: }
1.179 www 13288:
1.1 albertel 13289: 1;
1.191 harris41 13290: __END__
13291:
1.243 albertel 13292: =pod
13293:
1.191 harris41 13294: =head1 NAME
13295:
1.243 albertel 13296: Apache::lonnet - Subroutines to ask questions about things in the network.
1.191 harris41 13297:
13298: =head1 SYNOPSIS
13299:
1.243 albertel 13300: Invoked by other LON-CAPA modules, when they need to talk to or about objects in the network.
1.191 harris41 13301:
13302: &Apache::lonnet::SUBROUTINENAME(ARGUMENTS);
13303:
1.243 albertel 13304: Common parameters:
13305:
13306: =over 4
13307:
13308: =item *
13309:
13310: $uname : an internal username (if $cname expecting a course Id specifically)
13311:
13312: =item *
13313:
13314: $udom : a domain (if $cdom expecting a course's domain specifically)
13315:
13316: =item *
13317:
13318: $symb : a resource instance identifier
13319:
13320: =item *
13321:
13322: $namespace : the name of a .db file that contains the data needed or
13323: being set.
13324:
13325: =back
13326:
1.394 bowersj2 13327: =head1 OVERVIEW
1.191 harris41 13328:
1.394 bowersj2 13329: lonnet provides subroutines which interact with the
13330: lonc/lond (TCP) network layer of LON-CAPA. They can be used to ask
13331: about classes, users, and resources.
1.243 albertel 13332:
13333: For many of these objects you can also use this to store data about
13334: them or modify them in various ways.
1.191 harris41 13335:
1.394 bowersj2 13336: =head2 Symbs
1.191 harris41 13337:
1.394 bowersj2 13338: To identify a specific instance of a resource, LON-CAPA uses symbols
13339: or "symbs"X<symb>. These identifiers are built from the URL of the
13340: map, the resource number of the resource in the map, and the URL of
13341: the resource itself. The latter is somewhat redundant, but might help
13342: if maps change.
13343:
13344: An example is
13345:
13346: msu/korte/parts/part1.sequence___19___msu/korte/tests/part12.problem
13347:
13348: The respective map entry is
13349:
13350: <resource id="19" src="/res/msu/korte/tests/part12.problem"
13351: title="Problem 2">
13352: </resource>
13353:
13354: Symbs are used by the random number generator, as well as to store and
13355: restore data specific to a certain instance of for example a problem.
13356:
13357: =head2 Storing And Retrieving Data
13358:
13359: X<store()>X<cstore()>X<restore()>Three of the most important functions
13360: in C<lonnet.pm> are C<&Apache::lonnet::cstore()>,
13361: C<&Apache::lonnet:restore()>, and C<&Apache::lonnet::store()>, which
13362: is is the non-critical message twin of cstore. These functions are for
13363: handlers to store a perl hash to a user's permanent data space in an
13364: easy manner, and to retrieve it again on another call. It is expected
13365: that a handler would use this once at the beginning to retrieve data,
13366: and then again once at the end to send only the new data back.
13367:
13368: The data is stored in the user's data directory on the user's
13369: homeserver under the ID of the course.
13370:
13371: The hash that is returned by restore will have all of the previous
13372: value for all of the elements of the hash.
13373:
13374: Example:
13375:
13376: #creating a hash
13377: my %hash;
13378: $hash{'foo'}='bar';
13379:
13380: #storing it
13381: &Apache::lonnet::cstore(\%hash);
13382:
13383: #changing a value
13384: $hash{'foo'}='notbar';
13385:
13386: #adding a new value
13387: $hash{'bar'}='foo';
13388: &Apache::lonnet::cstore(\%hash);
13389:
13390: #retrieving the hash
13391: my %history=&Apache::lonnet::restore();
13392:
13393: #print the hash
13394: foreach my $key (sort(keys(%history))) {
13395: print("\%history{$key} = $history{$key}");
13396: }
13397:
13398: Will print out:
1.191 harris41 13399:
1.394 bowersj2 13400: %history{1:foo} = bar
13401: %history{1:keys} = foo:timestamp
13402: %history{1:timestamp} = 990455579
13403: %history{2:bar} = foo
13404: %history{2:foo} = notbar
13405: %history{2:keys} = foo:bar:timestamp
13406: %history{2:timestamp} = 990455580
13407: %history{bar} = foo
13408: %history{foo} = notbar
13409: %history{timestamp} = 990455580
13410: %history{version} = 2
13411:
13412: Note that the special hash entries C<keys>, C<version> and
13413: C<timestamp> were added to the hash. C<version> will be equal to the
13414: total number of versions of the data that have been stored. The
13415: C<timestamp> attribute will be the UNIX time the hash was
13416: stored. C<keys> is available in every historical section to list which
13417: keys were added or changed at a specific historical revision of a
13418: hash.
13419:
13420: B<Warning>: do not store the hash that restore returns directly. This
13421: will cause a mess since it will restore the historical keys as if the
13422: were new keys. I.E. 1:foo will become 1:1:foo etc.
1.191 harris41 13423:
1.394 bowersj2 13424: Calling convention:
1.191 harris41 13425:
1.1172.2.27 raeburn 13426: my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$uname);
1.1172.2.64 raeburn 13427: &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$uname,$laststore);
1.191 harris41 13428:
1.394 bowersj2 13429: For more detailed information, see lonnet specific documentation.
1.191 harris41 13430:
1.394 bowersj2 13431: =head1 RETURN MESSAGES
1.191 harris41 13432:
1.394 bowersj2 13433: =over 4
1.191 harris41 13434:
1.394 bowersj2 13435: =item * B<con_lost>: unable to contact remote host
1.191 harris41 13436:
1.394 bowersj2 13437: =item * B<con_delayed>: unable to contact remote host, message will be delivered
13438: when the connection is brought back up
1.191 harris41 13439:
1.394 bowersj2 13440: =item * B<con_failed>: unable to contact remote host and unable to save message
13441: for later delivery
1.191 harris41 13442:
1.967 bisitz 13443: =item * B<error:>: an error a occurred, a description of the error follows the :
1.191 harris41 13444:
1.394 bowersj2 13445: =item * B<no_such_host>: unable to fund a host associated with the user/domain
1.243 albertel 13446: that was requested
1.191 harris41 13447:
1.243 albertel 13448: =back
1.191 harris41 13449:
1.243 albertel 13450: =head1 PUBLIC SUBROUTINES
1.191 harris41 13451:
1.243 albertel 13452: =head2 Session Environment Functions
1.191 harris41 13453:
1.243 albertel 13454: =over 4
1.191 harris41 13455:
1.394 bowersj2 13456: =item *
13457: X<appenv()>
1.949 raeburn 13458: B<appenv($hashref,$rolesarrayref)>: the value of %{$hashref} is written to
1.394 bowersj2 13459: the user envirnoment file, and will be restored for each access this
1.620 albertel 13460: user makes during this session, also modifies the %env for the current
1.949 raeburn 13461: process. Optional rolesarrayref - if defined contains a reference to an array
13462: of roles which are exempt from the restriction on modifying user.role entries
13463: in the user's environment.db and in %env.
1.191 harris41 13464:
13465: =item *
1.394 bowersj2 13466: X<delenv()>
1.987 raeburn 13467: B<delenv($delthis,$regexp)>: removes all items from the session
13468: environment file that begin with $delthis. If the
13469: optional second arg - $regexp - is true, $delthis is treated as a
13470: regular expression, otherwise \Q$delthis\E is used.
13471: The values are also deleted from the current processes %env.
1.191 harris41 13472:
1.795 albertel 13473: =item * get_env_multiple($name)
13474:
13475: gets $name from the %env hash, it seemlessly handles the cases where multiple
13476: values may be defined and end up as an array ref.
13477:
13478: returns an array of values
13479:
1.243 albertel 13480: =back
13481:
13482: =head2 User Information
1.191 harris41 13483:
1.243 albertel 13484: =over 4
1.191 harris41 13485:
13486: =item *
1.394 bowersj2 13487: X<queryauthenticate()>
13488: B<queryauthenticate($uname,$udom)>: try to determine user's current
1.191 harris41 13489: authentication scheme
13490:
13491: =item *
1.394 bowersj2 13492: X<authenticate()>
1.1073 raeburn 13493: B<authenticate($uname,$upass,$udom,$checkdefauth,$clientcancheckhost)>: try to
1.394 bowersj2 13494: authenticate user from domain's lib servers (first use the current
13495: one). C<$upass> should be the users password.
1.1073 raeburn 13496: $checkdefauth is optional (value is 1 if a check should be made to
13497: authenticate user using default authentication method, and allow
13498: account creation if username does not have account in the domain).
13499: $clientcancheckhost is optional (value is 1 if checking whether the
13500: server can host will occur on the client side in lonauth.pm).
1.191 harris41 13501:
13502: =item *
1.394 bowersj2 13503: X<homeserver()>
13504: B<homeserver($uname,$udom)>: find the server which has
13505: the user's directory and files (there must be only one), this caches
13506: the answer, and also caches if there is a borken connection.
1.191 harris41 13507:
13508: =item *
1.394 bowersj2 13509: X<idget()>
13510: B<idget($udom,@ids)>: find the usernames behind a list of IDs
13511: (IDs are a unique resource in a domain, there must be only 1 ID per
13512: username, and only 1 username per ID in a specific domain) (returns
13513: hash: id=>name,id=>name)
1.191 harris41 13514:
13515: =item *
1.394 bowersj2 13516: X<idrget()>
13517: B<idrget($udom,@unames)>: find the IDs behind a list of
13518: usernames (returns hash: name=>id,name=>id)
1.191 harris41 13519:
13520: =item *
1.394 bowersj2 13521: X<idput()>
13522: B<idput($udom,%ids)>: store away a list of names and associated IDs
1.191 harris41 13523:
13524: =item *
1.394 bowersj2 13525: X<rolesinit()>
1.1169 droeschl 13526: B<rolesinit($udom,$username)>: get user privileges.
13527: returns user role, first access and timer interval hashes
1.243 albertel 13528:
13529: =item *
1.1171 droeschl 13530: X<privileged()>
13531: B<privileged($username,$domain)>: returns a true if user has a
13532: privileged and active role (i.e. su or dc), false otherwise.
13533:
13534: =item *
1.551 albertel 13535: X<getsection()>
13536: B<getsection($udom,$uname,$cname)>: finds the section of student in the
1.243 albertel 13537: course $cname, return section name/number or '' for "not in course"
13538: and '-1' for "no section"
13539:
13540: =item *
1.394 bowersj2 13541: X<userenvironment()>
13542: B<userenvironment($udom,$uname,@what)>: gets the values of the keys
1.243 albertel 13543: passed in @what from the requested user's environment, returns a hash
13544:
1.858 raeburn 13545: =item *
13546: X<userlog_query()>
1.859 albertel 13547: B<userlog_query($uname,$udom,%filters)>: retrieves data from a user's
13548: activity.log file. %filters defines filters applied when parsing the
13549: log file. These can be start or end timestamps, or the type of action
13550: - log to look for Login or Logout events, check for Checkin or
13551: Checkout, role for role selection. The response is in the form
13552: timestamp1:hostid1:event1×tamp2:hostid2:event2 where events are
13553: escaped strings of the action recorded in the activity.log file.
1.858 raeburn 13554:
1.243 albertel 13555: =back
13556:
13557: =head2 User Roles
13558:
13559: =over 4
13560:
13561: =item *
13562:
1.1172.2.65 raeburn 13563: allowed($priv,$uri,$symb,$role,$clientip,$noblockcheck) : check for a user privilege;
13564: returns codes for allowed actions.
13565:
13566: The first argument is required, all others are optional.
13567:
13568: $priv is the privilege being checked.
13569: $uri contains additional information about what is being checked for access (e.g.,
13570: URL, course ID etc.).
13571: $symb is the unique resource instance identifier in a course; if needed,
13572: but not provided, it will be retrieved via a call to &symbread().
13573: $role is the role for which a priv is being checked (only used if priv is evb).
13574: $clientip is the user's IP address (only used when checking for access to portfolio
13575: files).
13576: $noblockcheck, if true, skips calls to &has_comm_blocking() for the bre priv. This
13577: prevents recursive calls to &allowed.
13578:
1.243 albertel 13579: F: full access
13580: U,I,K: authentication modes (cxx only)
13581: '': forbidden
13582: 1: user needs to choose course
13583: 2: browse allowed
1.766 albertel 13584: A: passphrase authentication needed
1.1172.2.65 raeburn 13585: B: access temporarily blocked because of a blocking event in a course.
1.243 albertel 13586:
13587: =item *
13588:
1.1172.2.13 raeburn 13589: constructaccess($url,$setpriv) : check for access to construction space URL
13590:
13591: See if the owner domain and name in the URL match those in the
13592: expected environment. If so, return three element list
13593: ($ownername,$ownerdomain,$ownerhome).
13594:
13595: Otherwise return the null string.
13596:
13597: If second argument 'setpriv' is true, it assigns the privileges,
13598: and returns the same three element list, unless the owner has
13599: blocked "ad hoc" Domain Coordinator access to the Author Space,
13600: in which case the null string is returned.
13601:
13602: =item *
13603:
1.1172.2.84 raeburn 13604: definerole($rolename,$sysrole,$domrole,$courole,$uname,$udom) : define role;
13605: define a custom role rolename set privileges in format of lonTabs/roles.tab
13606: for system, domain, and course level. $uname and $udom are optional (current
13607: user's username and domain will be used when either of $uname or $udom are absent.
1.243 albertel 13608:
13609: =item *
13610:
1.988 raeburn 13611: plaintext($short,$type,$cid,$forcedefault) : return value in %prp hash
13612: (rolesplain.tab); plain text explanation of a user role term.
1.1008 raeburn 13613: $type is Course (default) or Community.
1.988 raeburn 13614: If $forcedefault evaluates to true, text returned will be default
13615: text for $type. Otherwise, if this is a course, the text returned
13616: will be a custom name for the role (if defined in the course's
13617: environment). If no custom name is defined the default is returned.
13618:
1.832 raeburn 13619: =item *
13620:
1.1172.2.23 raeburn 13621: get_my_roles($uname,$udom,$context,$types,$roles,$roledoms,$withsec,$hidepriv) :
1.858 raeburn 13622: All arguments are optional. Returns a hash of a roles, either for
13623: co-author/assistant author roles for a user's Construction Space
1.906 albertel 13624: (default), or if $context is 'userroles', roles for the user himself,
1.933 raeburn 13625: In the hash, keys are set to colon-separated $uname,$udom,$role, and
13626: (optionally) if $withsec is true, a fourth colon-separated item - $section.
13627: For each key, value is set to colon-separated start and end times for
13628: the role. If no username and domain are specified, will default to
1.934 raeburn 13629: current user/domain. Types, roles, and roledoms are references to arrays
1.858 raeburn 13630: of role statuses (active, future or previous), roles
13631: (e.g., cc,in, st etc.) and domains of the roles which can be used
13632: to restrict the list of roles reported. If no array ref is
13633: provided for types, will default to return only active roles.
1.834 albertel 13634:
1.1172.2.13 raeburn 13635: =item *
13636:
13637: in_course($udom,$uname,$cdom,$cnum,$type,$hideprivileged) : determine if
13638: user: $uname:$udom has a role in the course: $cdom_$cnum.
13639:
13640: Additional optional arguments are: $type (if role checking is to be restricted
13641: to certain user status types -- previous (expired roles), active (currently
13642: available roles) or future (roles available in the future), and
13643: $hideprivileged -- if true will not report course roles for users who
1.1172.2.23 raeburn 13644: have active Domain Coordinator role in course's domain or in additional
13645: domains (specified in 'Domains to check for privileged users' in course
13646: environment -- set via: Course Settings -> Classlists and staff listing).
13647:
13648: =item *
13649:
13650: privileged($username,$domain,$possdomains,$possroles) : returns 1 if user
13651: $username:$domain is a privileged user (e.g., Domain Coordinator or Super User)
13652: $possdomains and $possroles are optional array refs -- to domains to check and
13653: roles to check. If $possdomains is not specified, a dump will be done of the
13654: users' roles.db to check for a dc or su role in any domain. This can be
13655: time consuming if &privileged is called repeatedly (e.g., when displaying a
13656: classlist), so in such cases, supplying a $possdomains array is preferred, as
13657: this then allows &privileged_by_domain() to be used, which caches the identity
13658: of privileged users, eliminating the need for repeated calls to &dump().
13659:
13660: =item *
13661:
13662: privileged_by_domain($possdomains,$roles) : returns a hash of a hash of a hash,
13663: where the outer hash keys are domains specified in the $possdomains array ref,
13664: next inner hash keys are privileged roles specified in the $roles array ref,
13665: and the innermost hash contains key = value pairs for username:domain = end:start
13666: for active or future "privileged" users with that role in that domain. To avoid
13667: repeated dumps of domain roles -- via &get_domain_roles() -- contents of the
13668: innerhash are cached using priv_$role and $dom as the identifiers.
1.1172.2.13 raeburn 13669:
1.243 albertel 13670: =back
13671:
13672: =head2 User Modification
13673:
13674: =over 4
13675:
13676: =item *
13677:
1.957 raeburn 13678: assignrole($udom,$uname,$url,$role,$end,$start,$deleteflag,$selfenroll,$context) : assign role; give a role to a
1.243 albertel 13679: user for the level given by URL. Optional start and end dates (leave empty
13680: string or zero for "no date")
1.191 harris41 13681:
13682: =item *
13683:
1.243 albertel 13684: changepass($uname,$udom,$currentpass,$newpass,$server) : attempts to
13685: change a users, password, possible return values are: ok,
13686: pwchange_failure, non_authorized, auth_mode_error, unknown_user,
13687: refused
1.191 harris41 13688:
13689: =item *
13690:
1.243 albertel 13691: modifyuserauth($udom,$uname,$umode,$upass) : modify user authentication
1.191 harris41 13692:
13693: =item *
13694:
1.1058 raeburn 13695: modifyuser($udom,$uname,$uid,$umode,$upass,$first,$middle,$last, $gene,
13696: $forceid,$desiredhome,$email,$inststatus,$candelete) :
13697:
13698: will update user information (firstname,middlename,lastname,generation,
13699: permanentemail), and if forceid is true, student/employee ID also.
13700: A user's institutional affiliation(s) can also be updated.
13701: User information fields will not be overwritten with empty entries
13702: unless the field is included in the $candelete array reference.
13703: This array is included when a single user is modified via "Manage Users",
13704: or when Autoupdate.pl is run by cron in a domain.
1.191 harris41 13705:
13706: =item *
13707:
1.286 matthew 13708: modifystudent
13709:
1.957 raeburn 13710: modify a student's enrollment and identification information.
1.1172.2.31 raeburn 13711: The course id is resolved based on the current user's environment.
13712: This means the invoking user must be a course coordinator or otherwise
1.286 matthew 13713: associated with a course.
13714:
1.297 matthew 13715: This call is essentially a wrapper for lonnet::modifyuser and
13716: lonnet::modify_student_enrollment
1.286 matthew 13717:
13718: Inputs:
13719:
13720: =over 4
13721:
1.957 raeburn 13722: =item B<$udom> Student's loncapa domain
1.286 matthew 13723:
1.957 raeburn 13724: =item B<$uname> Student's loncapa login name
1.286 matthew 13725:
1.964 bisitz 13726: =item B<$uid> Student/Employee ID
1.286 matthew 13727:
1.957 raeburn 13728: =item B<$umode> Student's authentication mode
1.286 matthew 13729:
1.957 raeburn 13730: =item B<$upass> Student's password
1.286 matthew 13731:
1.957 raeburn 13732: =item B<$first> Student's first name
1.286 matthew 13733:
1.957 raeburn 13734: =item B<$middle> Student's middle name
1.286 matthew 13735:
1.957 raeburn 13736: =item B<$last> Student's last name
1.286 matthew 13737:
1.957 raeburn 13738: =item B<$gene> Student's generation
1.286 matthew 13739:
1.957 raeburn 13740: =item B<$usec> Student's section in course
1.286 matthew 13741:
13742: =item B<$end> Unix time of the roles expiration
13743:
13744: =item B<$start> Unix time of the roles start date
13745:
13746: =item B<$forceid> If defined, allow $uid to be changed
13747:
13748: =item B<$desiredhome> server to use as home server for student
13749:
1.957 raeburn 13750: =item B<$email> Student's permanent e-mail address
13751:
13752: =item B<$type> Type of enrollment (auto or manual)
13753:
1.963 raeburn 13754: =item B<$locktype> boolean - enrollment type locked to prevent Autoenroll.pl changing manual to auto
13755:
13756: =item B<$cid> courseID - needed if a course role is assigned by a user whose current role is DC
1.957 raeburn 13757:
1.963 raeburn 13758: =item B<$selfenroll> boolean - 1 if user role change occurred via self-enrollment
1.957 raeburn 13759:
1.963 raeburn 13760: =item B<$context> role change context (shown in User Management Logs display in a course)
1.957 raeburn 13761:
1.1172.2.19 raeburn 13762: =item B<$inststatus> institutional status of user - : separated string of escaped status types
13763:
13764: =item B<$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 13765:
1.286 matthew 13766: =back
1.297 matthew 13767:
13768: =item *
13769:
13770: modify_student_enrollment
13771:
1.1172.2.31 raeburn 13772: Change a student's enrollment status in a class. The environment variable
1.297 matthew 13773: 'role.request.course' must be defined for this function to proceed.
13774:
13775: Inputs:
13776:
13777: =over 4
13778:
1.1172.2.31 raeburn 13779: =item $udom, student's domain
1.297 matthew 13780:
1.1172.2.31 raeburn 13781: =item $uname, student's name
1.297 matthew 13782:
1.1172.2.31 raeburn 13783: =item $uid, student's user id
1.297 matthew 13784:
1.1172.2.31 raeburn 13785: =item $first, student's first name
1.297 matthew 13786:
13787: =item $middle
13788:
13789: =item $last
13790:
13791: =item $gene
13792:
13793: =item $usec
13794:
13795: =item $end
13796:
13797: =item $start
13798:
1.957 raeburn 13799: =item $type
13800:
13801: =item $locktype
13802:
13803: =item $cid
13804:
13805: =item $selfenroll
13806:
13807: =item $context
13808:
1.1172.2.19 raeburn 13809: =item $credits, number of credits student will earn from this class
13810:
1.1172.2.76 raeburn 13811: =item $instsec, institutional course section code for student
13812:
1.297 matthew 13813: =back
13814:
1.191 harris41 13815:
13816: =item *
13817:
1.243 albertel 13818: assigncustomrole($udom,$uname,$url,$rdom,$rnam,$rolename,$end,$start) : assign
13819: custom role; give a custom role to a user for the level given by URL. Specify
13820: name and domain of role author, and role name
1.191 harris41 13821:
13822: =item *
13823:
1.243 albertel 13824: revokerole($udom,$uname,$url,$role) : revoke a role for url
1.191 harris41 13825:
13826: =item *
13827:
1.243 albertel 13828: revokecustomrole($udom,$uname,$url,$role) : revoke a custom role
13829:
13830: =back
13831:
13832: =head2 Course Infomation
13833:
13834: =over 4
1.191 harris41 13835:
13836: =item *
13837:
1.1118 foxr 13838: coursedescription($courseid,$options) : returns a hash of information about the
1.631 albertel 13839: specified course id, including all environment settings for the
13840: course, the description of the course will be in the hash under the
13841: key 'description'
1.191 harris41 13842:
1.1118 foxr 13843: $options is an optional parameter that if supplied is a hash reference that controls
13844: what how this function works. It has the following key/values:
13845:
13846: =over 4
13847:
13848: =item freshen_cache
13849:
13850: If defined, and the environment cache for the course is valid, it is
13851: returned in the returned hash.
13852:
13853: =item one_time
13854:
13855: If defined, the last cache time is set to _now_
13856:
13857: =item user
13858:
13859: If defined, the supplied username is used instead of the current user.
13860:
13861:
13862: =back
13863:
1.191 harris41 13864: =item *
13865:
1.624 albertel 13866: resdata($name,$domain,$type,@which) : request for current parameter
13867: setting for a specific $type, where $type is either 'course' or 'user',
13868: @what should be a list of parameters to ask about. This routine caches
1.1172.2.31 raeburn 13869: answers for 10 minutes.
1.243 albertel 13870:
1.877 foxr 13871: =item *
13872:
13873: get_courseresdata($courseid, $domain) : dump the entire course resource
13874: data base, returning a hash that is keyed by the resource name and has
13875: values that are the resource value. I believe that the timestamps and
13876: versions are also returned.
13877:
1.1172.2.31 raeburn 13878: get_numsuppfiles($cnum,$cdom) : retrieve number of files in a course's
13879: supplemental content area. This routine caches the number of files for
13880: 10 minutes.
13881:
1.243 albertel 13882: =back
13883:
13884: =head2 Course Modification
13885:
13886: =over 4
1.191 harris41 13887:
13888: =item *
13889:
1.243 albertel 13890: writecoursepref($courseid,%prefs) : write preferences (environment
13891: database) for a course
1.191 harris41 13892:
13893: =item *
13894:
1.1011 raeburn 13895: createcourse($udom,$description,$url,$course_server,$nonstandard,$inst_code,$course_owner,$crstype,$cnum) : make course
13896:
13897: =item *
13898:
1.1038 raeburn 13899: generate_coursenum($udom,$crstype) : get a unique (unused) course number in domain $udom for course type $crstype (Course or Community).
1.243 albertel 13900:
1.1167 droeschl 13901: =item *
13902:
13903: is_course($courseid), is_course($cdom, $cnum)
13904:
13905: Accepts either a combined $courseid (in the form of domain_courseid) or the
13906: two component version $cdom, $cnum. It checks if the specified course exists.
13907:
13908: Returns:
13909: undef if the course doesn't exist, otherwise
13910: in scalar context the combined courseid.
13911: in list context the two components of the course identifier, domain and
13912: courseid.
13913:
1.243 albertel 13914: =back
13915:
13916: =head2 Resource Subroutines
13917:
13918: =over 4
1.191 harris41 13919:
13920: =item *
13921:
1.243 albertel 13922: subscribe($fname) : subscribe to a resource, returns URL if possible (probably should use repcopy instead)
1.191 harris41 13923:
13924: =item *
13925:
1.243 albertel 13926: repcopy($filename) : subscribes to the requested file, and attempts to
13927: replicate from the owning library server, Might return
1.607 raeburn 13928: 'unavailable', 'not_found', 'forbidden', 'ok', or
13929: 'bad_request', also attempts to grab the metadata for the
1.243 albertel 13930: resource. Expects the local filesystem pathname
13931: (/home/httpd/html/res/....)
13932:
13933: =back
13934:
13935: =head2 Resource Information
13936:
13937: =over 4
1.191 harris41 13938:
13939: =item *
13940:
1.1172.2.28 raeburn 13941: EXT($varname,$symb,$udom,$uname,$usection,$recurse,$cid) : evaluates
13942: and returns the value of a variety of different possible values,
13943: $varname should be a request string, and the other parameters can be
13944: used to specify who and what one is asking about. Ordinarily, $cid
13945: does not need to be specified, as it is retrived from
13946: $env{'request.course.id'}, but &Apache::lonnet::EXT() is called
13947: within lonuserstate::loadmap() when initializing a course, before
13948: $env{'request.course.id'} has been set, so it needs to be provided
13949: in that one case.
1.243 albertel 13950:
13951: Possible values for $varname are environment.lastname (or other item
13952: from the envirnment hash), user.name (or someother aspect about the
13953: user), resource.0.maxtries (or some other part and parameter of a
13954: resource)
1.204 albertel 13955:
13956: =item *
13957:
1.243 albertel 13958: directcondval($number) : get current value of a condition; reads from a state
13959: string
1.204 albertel 13960:
13961: =item *
13962:
1.243 albertel 13963: condval($condidx) : value of condition index based on state
1.204 albertel 13964:
13965: =item *
13966:
1.243 albertel 13967: metadata($uri,$what,$liburi,$prefix,$depthcount) : request a
13968: resource's metadata, $what should be either a specific key, or either
13969: 'keys' (to get a list of possible keys) or 'packages' to get a list of
13970: packages that this resource currently uses, the last 3 arguments are only used internally for recursive metadata.
13971:
13972: this function automatically caches all requests
1.191 harris41 13973:
13974: =item *
13975:
1.243 albertel 13976: metadata_query($query,$custom,$customshow) : make a metadata query against the
13977: network of library servers; returns file handle of where SQL and regex results
13978: will be stored for query
1.191 harris41 13979:
13980: =item *
13981:
1.1172.2.66 raeburn 13982: symbread($filename,$donotrecurse,$ignorecachednull,$checkforblock,$possibles) :
13983: return symbolic list entry (all arguments optional).
13984:
13985: Args: filename is the filename (including path) for the file for which a symb
13986: is required; donotrecurse, if true will prevent calls to allowed() being made
13987: to check access status if more than one resource was found in the bighash
13988: (see rev. 1.249) to avoid an infinite loop if an ambiguous resource is part of
13989: a randompick); ignorecachednull, if true will prevent a symb of '' being
13990: returned if $env{$cache_str} is defined as ''; checkforblock if true will
13991: cause possible symbs to be checked to determine if they are subject to content
13992: blocking, if so they will not be included as possible symbs; possibles is a
13993: ref to a hash, which, as a side effect, will be populated with all possible
13994: symbs (content blocking not tested).
13995:
1.243 albertel 13996: returns the data handle
1.191 harris41 13997:
13998: =item *
13999:
1.1172.2.17 raeburn 14000: symbverify($symb,$thisfn,$encstate) : verifies that $symb actually exists
1.1172.2.11 raeburn 14001: and is a possible symb for the URL in $thisfn, and if is an encrypted
1.582 albertel 14002: resource that the user accessed using /enc/ returns a 1 on success, 0
1.1172.2.11 raeburn 14003: on failure, user must be in a course, as it assumes the existence of
14004: the course initial hash, and uses $env('request.course.id'}. The third
14005: arg is an optional reference to a scalar. If this arg is passed in the
14006: call to symbverify, it will be set to 1 if the symb has been set to be
14007: encrypted; otherwise it will be null.
1.243 albertel 14008:
1.191 harris41 14009: =item *
14010:
1.243 albertel 14011: symbclean($symb) : removes versions numbers from a symb, returns the
14012: cleaned symb
1.191 harris41 14013:
14014: =item *
14015:
1.243 albertel 14016: is_on_map($uri) : checks if the $uri is somewhere on the current
14017: course map, user must be in a course for it to work.
1.191 harris41 14018:
14019: =item *
14020:
1.243 albertel 14021: numval($salt) : return random seed value (addend for rndseed)
1.191 harris41 14022:
14023: =item *
14024:
1.243 albertel 14025: rndseed($symb,$courseid,$udom,$uname) : create a random sum; returns
14026: a random seed, all arguments are optional, if they aren't sent it uses the
14027: environment to derive them. Note: if symb isn't sent and it can't get one
14028: from &symbread it will use the current time as its return value
1.191 harris41 14029:
14030: =item *
14031:
1.243 albertel 14032: ireceipt($funame,$fudom,$fucourseid,$fusymb) : return unique,
14033: unfakeable, receipt
1.191 harris41 14034:
14035: =item *
14036:
1.620 albertel 14037: receipt() : API to ireceipt working off of env values; given out to users
1.191 harris41 14038:
14039: =item *
14040:
1.243 albertel 14041: countacc($url) : count the number of accesses to a given URL
1.191 harris41 14042:
14043: =item *
14044:
1.243 albertel 14045: checkout($symb,$tuname,$tudom,$tcrsid) : creates a record of a user having looked at an item, most likely printed out or otherwise using a resource
1.191 harris41 14046:
14047: =item *
14048:
1.243 albertel 14049: checkin($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 $tcrsid)
1.191 harris41 14050:
14051: =item *
14052:
1.243 albertel 14053: expirespread($uname,$udom,$stype,$usymb) : set expire date for spreadsheet
1.191 harris41 14054:
14055: =item *
14056:
1.243 albertel 14057: devalidate($symb) : devalidate temporary spreadsheet calculations,
14058: forcing spreadsheet to reevaluate the resource scores next time.
14059:
1.1172.2.13 raeburn 14060: =item *
14061:
14062: can_edit_resource($file,$cnum,$cdom,$resurl,$symb,$group) : determine if current user can edit a particular resource,
14063: when viewing in course context.
14064:
14065: input: six args -- filename (decluttered), course number, course domain,
14066: url, symb (if registered) and group (if this is a
14067: group item -- e.g., bulletin board, group page etc.).
14068:
14069: output: array of five scalars --
14070: $cfile -- url for file editing if editable on current server
14071: $home -- homeserver of resource (i.e., for author if published,
14072: or course if uploaded.).
14073: $switchserver -- 1 if server switch will be needed.
14074: $forceedit -- 1 if icon/link should be to go to edit mode
14075: $forceview -- 1 if icon/link should be to go to view mode
14076:
14077: =item *
14078:
14079: is_course_upload($file,$cnum,$cdom)
14080:
14081: Used in course context to determine if current file was uploaded to
14082: the course (i.e., would be found in /userfiles/docs on the course's
14083: homeserver.
14084:
14085: input: 3 args -- filename (decluttered), course number and course domain.
14086: output: boolean -- 1 if file was uploaded.
14087:
1.243 albertel 14088: =back
14089:
14090: =head2 Storing/Retreiving Data
14091:
14092: =over 4
1.191 harris41 14093:
14094: =item *
14095:
1.1172.2.64 raeburn 14096: store($storehash,$symb,$namespace,$udom,$uname,$laststore) : stores hash
14097: permanently for this url; hashref needs to be given and should be a \%hashname;
14098: the remaining args aren't required and if they aren't passed or are '' they will
14099: be derived from the env (with the exception of $laststore, which is an
14100: optional arg used when a user's submission is stored in grading).
14101: $laststore is $version=$timestamp, where $version is the most recent version
14102: number retrieved for the corresponding $symb in the $namespace db file, and
14103: $timestamp is the timestamp for that transaction (UNIX time).
14104: $laststore is currently only passed when cstore() is called by
14105: structuretags::finalize_storage().
1.191 harris41 14106:
14107: =item *
14108:
1.1172.2.64 raeburn 14109: cstore($storehash,$symb,$namespace,$udom,$uname,$laststore) : same as store
14110: but uses critical subroutine
1.191 harris41 14111:
14112: =item *
14113:
1.243 albertel 14114: restore($symb,$namespace,$udom,$uname) : returns hash for this symb;
14115: all args are optional
1.191 harris41 14116:
14117: =item *
14118:
1.717 albertel 14119: dumpstore($namespace,$udom,$uname,$regexp,$range) :
14120: dumps the complete (or key matching regexp) namespace into a hash
14121: ($udom, $uname, $regexp, $range are optional) for a namespace that is
14122: normally &store()ed into
14123:
14124: $range should be either an integer '100' (give me the first 100
14125: matching records)
14126: or be two integers sperated by a - with no spaces
14127: '30-50' (give me the 30th through the 50th matching
14128: records)
14129:
14130:
14131: =item *
14132:
1.1172.2.59 raeburn 14133: putstore($namespace,$symb,$version,$storehash,$udomain,$uname,$tolog) :
1.717 albertel 14134: replaces a &store() version of data with a replacement set of data
14135: for a particular resource in a namespace passed in the $storehash hash
1.1172.2.59 raeburn 14136: reference. If $tolog is true, the transaction is logged in the courselog
14137: with an action=PUTSTORE.
1.717 albertel 14138:
14139: =item *
14140:
1.243 albertel 14141: tmpstore($storehash,$symb,$namespace,$udom,$uname) : storage that
14142: works very similar to store/cstore, but all data is stored in a
14143: temporary location and can be reset using tmpreset, $storehash should
14144: be a hash reference, returns nothing on success
1.191 harris41 14145:
14146: =item *
14147:
1.243 albertel 14148: tmprestore($symb,$namespace,$udom,$uname) : storage that works very
14149: similar to restore, but all data is stored in a temporary location and
14150: can be reset using tmpreset. Returns a hash of values on success,
14151: error string otherwise.
1.191 harris41 14152:
14153: =item *
14154:
1.243 albertel 14155: tmpreset($symb,$namespace,$udom,$uname) : temporary storage reset,
14156: deltes all keys for $symb form the temporary storage hash.
1.191 harris41 14157:
14158: =item *
14159:
1.243 albertel 14160: get($namespace,$storearr,$udom,$uname) : returns hash with keys from array
14161: reference filled in from namesp ($udom and $uname are optional)
1.191 harris41 14162:
14163: =item *
14164:
1.243 albertel 14165: del($namespace,$storearr,$udom,$uname) : deletes keys out of array from
14166: namesp ($udom and $uname are optional)
1.191 harris41 14167:
14168: =item *
14169:
1.702 albertel 14170: dump($namespace,$udom,$uname,$regexp,$range) :
1.243 albertel 14171: dumps the complete (or key matching regexp) namespace into a hash
1.702 albertel 14172: ($udom, $uname, $regexp, $range are optional)
1.449 matthew 14173:
1.702 albertel 14174: $range should be either an integer '100' (give me the first 100
14175: matching records)
14176: or be two integers sperated by a - with no spaces
14177: '30-50' (give me the 30th through the 50th matching
14178: records)
1.449 matthew 14179: =item *
14180:
14181: inc($namespace,$store,$udom,$uname) : increments $store in $namespace.
14182: $store can be a scalar, an array reference, or if the amount to be
14183: incremented is > 1, a hash reference.
14184:
14185: ($udom and $uname are optional)
1.191 harris41 14186:
14187: =item *
14188:
1.243 albertel 14189: put($namespace,$storehash,$udom,$uname) : stores hash in namesp
14190: ($udom and $uname are optional)
1.191 harris41 14191:
14192: =item *
14193:
1.243 albertel 14194: cput($namespace,$storehash,$udom,$uname) : critical put
14195: ($udom and $uname are optional)
1.191 harris41 14196:
14197: =item *
14198:
1.748 albertel 14199: newput($namespace,$storehash,$udom,$uname) :
14200:
14201: Attempts to store the items in the $storehash, but only if they don't
14202: currently exist, if this succeeds you can be certain that you have
14203: successfully created a new key value pair in the $namespace db.
14204:
14205:
14206: Args:
14207: $namespace: name of database to store values to
14208: $storehash: hashref to store to the db
14209: $udom: (optional) domain of user containing the db
14210: $uname: (optional) name of user caontaining the db
14211:
14212: Returns:
14213: 'ok' -> succeeded in storing all keys of $storehash
14214: 'key_exists: <key>' -> failed to anything out of $storehash, as at
14215: least <key> already existed in the db (other
14216: requested keys may also already exist)
1.967 bisitz 14217: 'error: <msg>' -> unable to tie the DB or other error occurred
1.748 albertel 14218: 'con_lost' -> unable to contact request server
14219: 'refused' -> action was not allowed by remote machine
14220:
14221:
14222: =item *
14223:
1.243 albertel 14224: eget($namespace,$storearr,$udom,$uname) : returns hash with keys from array
14225: reference filled in from namesp (encrypts the return communication)
14226: ($udom and $uname are optional)
1.191 harris41 14227:
14228: =item *
14229:
1.243 albertel 14230: log($udom,$name,$home,$message) : write to permanent log for user; use
14231: critical subroutine
14232:
1.806 raeburn 14233: =item *
14234:
1.860 raeburn 14235: get_dom($namespace,$storearr,$udom,$uhome) : returns hash with keys from
14236: array reference filled in from namespace found in domain level on either
14237: specified domain server ($uhome) or primary domain server ($udom and $uhome are optional).
1.806 raeburn 14238:
14239: =item *
14240:
1.860 raeburn 14241: put_dom($namespace,$storehash,$udom,$uhome) : stores hash in namespace at
14242: domain level either on specified domain server ($uhome) or primary domain
14243: server ($udom and $uhome are optional)
1.806 raeburn 14244:
1.943 raeburn 14245: =item *
14246:
1.1172.2.35 raeburn 14247: get_domain_defaults($target_domain,$ignore_cache) : returns hash with defaults
14248: for: authentication, language, quotas, timezone, date locale, and portal URL in
14249: the target domain.
14250:
14251: May also include additional key => value pairs for the following groups:
14252:
14253: =over
14254:
14255: =item
14256: disk quotas (MB allocated by default to portfolios and authoring spaces).
14257:
14258: =over
14259:
14260: =item defaultquota, authorquota
14261:
14262: =back
14263:
14264: =item
14265: tools (availability of aboutme page, blog, webDAV access for authoring spaces,
14266: portfolio for users).
14267:
14268: =over
14269:
14270: =item
14271: aboutme, blog, webdav, portfolio
14272:
14273: =back
14274:
14275: =item
14276: requestcourses: ability to request courses, and how requests are processed.
14277:
14278: =over
14279:
14280: =item
1.1172.2.37 raeburn 14281: official, unofficial, community, textbook
1.1172.2.35 raeburn 14282:
14283: =back
14284:
14285: =item
14286: inststatus: types of institutional affiliation, and order in which they are displayed.
14287:
14288: =over
14289:
14290: =item
1.1172.2.44 raeburn 14291: inststatustypes, inststatusorder, inststatusguest
1.1172.2.35 raeburn 14292:
14293: =back
14294:
14295: =item
14296: coursedefaults: can PDF forms can be created, default credits for courses, default quotas (MB)
14297: for course's uploaded content.
14298:
14299: =over
14300:
14301: =item
1.1172.2.68 raeburn 14302: canuse_pdfforms, officialcredits, unofficialcredits, textbookcredits, officialquota, unofficialquota,
14303: communityquota, textbookquota
1.1172.2.35 raeburn 14304:
14305: =back
14306:
14307: =item
14308: usersessions: set options for hosting of your users in other domains, and hosting of users from other domains
14309: on your servers.
14310:
14311: =over
14312:
14313: =item
14314: remotesessions, hostedsessions
14315:
14316: =back
14317:
14318: =back
14319:
14320: In cases where a domain coordinator has never used the "Set Domain Configuration"
14321: utility to create a configuration.db file on a domain's primary library server
14322: only the following domain defaults: auth_def, auth_arg_def, lang_def
14323: -- corresponding values are authentication type (internal, krb4, krb5,
14324: or localauth), initial password or a kerberos realm, language (e.g., en-us) --
14325: will be available. Values are retrieved from cache (if current), unless the
14326: optional $ignore_cache arg is true, or from domain's configuration.db (if available),
14327: or lastly from values in lonTabs/dns_domain,tab, or lonTabs/domain.tab.
14328:
14329: Typical usage:
1.943 raeburn 14330:
1.1172.2.35 raeburn 14331: %domdefaults = &get_domain_defaults($target_domain);
1.943 raeburn 14332:
1.243 albertel 14333: =back
14334:
14335: =head2 Network Status Functions
14336:
14337: =over 4
1.191 harris41 14338:
14339: =item *
14340:
1.1137 raeburn 14341: dirlist() : return directory list based on URI (first arg).
14342:
14343: Inputs: 1 required, 5 optional.
14344:
14345: =over
14346:
14347: =item
14348: $uri - path to file in filesystem (starts: /res or /userfiles/). Required.
14349:
14350: =item
14351: $userdomain - domain of user/course to be listed. Extracted from $uri if absent.
14352:
14353: =item
14354: $username - username of user/course to be listed. Extracted from $uri if absent.
14355:
14356: =item
14357: $getpropath - boolean: 1 if prepend path using &propath().
14358:
14359: =item
14360: $getuserdir - boolean: 1 if prepend path for "userfiles".
14361:
14362: =item
14363: $alternateRoot - path to prepend in place of path from $uri.
14364:
14365: =back
14366:
14367: Returns: Array of up to two items.
14368:
14369: =over
14370:
14371: a reference to an array of files/subdirectories
14372:
14373: =over
14374:
14375: Each element in the array of files/subdirectories is a & separated list of
14376: item name and the result of running stat on the item. If dirlist was requested
14377: for a file instead of a directory, the item name will be ''. For a directory
14378: listing, if the item is a metadata file, the element will end &N&M
14379: (where N amd M are either 0 or 1, corresponding to obsolete set (1), or
14380: default copyright set (1).
14381:
14382: =back
14383:
14384: a scalar containing error condition (if encountered).
14385:
14386: =over
14387:
14388: =item
14389: no_host (no homeserver identified for $username:$domain).
14390:
14391: =item
14392: no_such_host (server contacted for listing not identified as valid host).
14393:
14394: =item
14395: con_lost (connection to remote server failed).
14396:
14397: =item
14398: refused (invalid $username:$domain received on lond side).
14399:
14400: =item
14401: no_such_dir (directory at specified path on lond side does not exist).
14402:
14403: =item
14404: empty (directory at specified path on lond side is empty).
14405:
14406: =over
14407:
14408: This is currently not encountered because the &ls3, &ls2,
14409: &ls (_handler) routines on the lond side do not filter out
14410: . and .. from a directory listing.
14411:
14412: =back
14413:
14414: =back
14415:
14416: =back
1.191 harris41 14417:
14418: =item *
14419:
1.243 albertel 14420: spareserver() : find server with least workload from spare.tab
14421:
1.986 foxr 14422:
14423: =item *
14424:
14425: host_from_dns($dns) : Returns the loncapa hostname corresponding to a DNS name or undef
14426: if there is no corresponding loncapa host.
14427:
1.243 albertel 14428: =back
14429:
1.986 foxr 14430:
1.243 albertel 14431: =head2 Apache Request
14432:
14433: =over 4
1.191 harris41 14434:
14435: =item *
14436:
1.243 albertel 14437: ssi($url,%hash) : server side include, does a complete request cycle on url to
14438: localhost, posts hash
14439:
14440: =back
14441:
14442: =head2 Data to String to Data
14443:
14444: =over 4
1.191 harris41 14445:
14446: =item *
14447:
1.243 albertel 14448: hash2str(%hash) : convert a hash into a string complete with escaping and '='
14449: and '&' separators, supports elements that are arrayrefs and hashrefs
1.191 harris41 14450:
14451: =item *
14452:
1.243 albertel 14453: hashref2str($hashref) : convert a hashref into a string complete with
14454: escaping and '=' and '&' separators, supports elements that are
14455: arrayrefs and hashrefs
1.191 harris41 14456:
14457: =item *
14458:
1.243 albertel 14459: arrayref2str($arrayref) : convert an arrayref into a string complete
14460: with escaping and '&' separators, supports elements that are arrayrefs
14461: and hashrefs
1.191 harris41 14462:
14463: =item *
14464:
1.243 albertel 14465: str2hash($string) : convert string to hash using unescaping and
14466: splitting on '=' and '&', supports elements that are arrayrefs and
14467: hashrefs
1.191 harris41 14468:
14469: =item *
14470:
1.243 albertel 14471: str2array($string) : convert string to hash using unescaping and
14472: splitting on '&', supports elements that are arrayrefs and hashrefs
14473:
14474: =back
14475:
14476: =head2 Logging Routines
14477:
14478:
14479: These routines allow one to make log messages in the lonnet.log and
14480: lonnet.perm logfiles.
1.191 harris41 14481:
1.1119 foxr 14482: =over 4
14483:
1.191 harris41 14484: =item *
14485:
1.243 albertel 14486: logtouch() : make sure the logfile, lonnet.log, exists
1.191 harris41 14487:
14488: =item *
14489:
1.243 albertel 14490: logthis() : append message to the normal lonnet.log file, it gets
14491: preiodically rolled over and deleted.
1.191 harris41 14492:
14493: =item *
14494:
1.243 albertel 14495: logperm() : append a permanent message to lonnet.perm.log, this log
14496: file never gets deleted by any automated portion of the system, only
14497: messages of critical importance should go in here.
14498:
1.1119 foxr 14499:
1.243 albertel 14500: =back
14501:
14502: =head2 General File Helper Routines
14503:
14504: =over 4
1.191 harris41 14505:
14506: =item *
14507:
1.481 raeburn 14508: getfile($file,$caller) : two cases - requests for files in /res or in /uploaded.
14509: (a) files in /uploaded
14510: (i) If a local copy of the file exists -
14511: compares modification date of local copy with last-modified date for
14512: definitive version stored on home server for course. If local copy is
14513: stale, requests a new version from the home server and stores it.
14514: If the original has been removed from the home server, then local copy
14515: is unlinked.
14516: (ii) If local copy does not exist -
14517: requests the file from the home server and stores it.
14518:
14519: If $caller is 'uploadrep':
14520: This indicates a call from lonuploadrep.pm (PerlHeaderParserHandler phase)
14521: for request for files originally uploaded via DOCS.
14522: - returns 'ok' if fresh local copy now available, -1 otherwise.
14523:
14524: Otherwise:
14525: This indicates a call from the content generation phase of the request.
14526: - returns the entire contents of the file or -1.
14527:
14528: (b) files in /res
14529: - returns the entire contents of a file or -1;
14530: it properly subscribes to and replicates the file if neccessary.
1.191 harris41 14531:
1.712 albertel 14532:
14533: =item *
14534:
14535: stat_file($url) : $url is expected to be a /res/ or /uploaded/ style file
14536: reference
14537:
14538: returns either a stat() list of data about the file or an empty list
14539: if the file doesn't exist or couldn't find out about it (connection
14540: problems or user unknown)
14541:
1.191 harris41 14542: =item *
14543:
1.243 albertel 14544: filelocation($dir,$file) : returns file system location of a file
14545: based on URI; meant to be "fairly clean" absolute reference, $dir is a
14546: directory that relative $file lookups are to looked in ($dir of /a/dir
14547: and a file of ../bob will become /a/bob)
1.191 harris41 14548:
14549: =item *
14550:
14551: hreflocation($dir,$file) : returns file system location or a URL; same as
14552: filelocation except for hrefs
14553:
14554: =item *
14555:
1.1172.2.49 raeburn 14556: declutter() : declutters URLs -- remove beginning slashes, 'res' etc.
14557: also removes beginning /home/httpd/html unless /priv/ follows it.
1.191 harris41 14558:
1.243 albertel 14559: =back
14560:
1.608 albertel 14561: =head2 Usererfile file routines (/uploaded*)
14562:
14563: =over 4
14564:
14565: =item *
14566:
14567: userfileupload(): main rotine for putting a file in a user or course's
14568: filespace, arguments are,
14569:
1.620 albertel 14570: formname - required - this is the name of the element in $env where the
1.608 albertel 14571: filename, and the contents of the file to create/modifed exist
1.620 albertel 14572: the filename is in $env{'form.'.$formname.'.filename'} and the
14573: contents of the file is located in $env{'form.'.$formname}
1.1090 raeburn 14574: context - if coursedoc, store the file in the course of the active role
14575: of the current user;
14576: if 'existingfile': store in 'overwrites' in /home/httpd/perl/tmp
14577: if 'canceloverwrite': delete file in tmp/overwrites directory
1.608 albertel 14578: subdir - required - subdirectory to put the file in under ../userfiles/
14579: if undefined, it will be placed in "unknown"
14580:
14581: (This routine calls clean_filename() to remove any dangerous
14582: characters from the filename, and then calls finuserfileupload() to
14583: complete the transaction)
14584:
14585: returns either the url of the uploaded file (/uploaded/....) if successful
14586: and /adm/notfound.html if unsuccessful
14587:
14588: =item *
14589:
14590: clean_filename(): routine for cleaing a filename up for storage in
14591: userfile space, argument is:
14592:
14593: filename - proposed filename
14594:
14595: returns: the new clean filename
14596:
14597: =item *
14598:
1.1090 raeburn 14599: finishuserfileupload(): routine that creates and sends the file to
1.608 albertel 14600: userspace, probably shouldn't be called directly
14601:
14602: docuname: username or courseid of destination for the file
14603: docudom: domain of user/course of destination for the file
14604: formname: same as for userfileupload()
1.1090 raeburn 14605: fname: filename (including subdirectories) for the file
14606: parser: if 'parse', will parse (html) file to extract references to objects, links etc.
14607: allfiles: reference to hash used to store objects found by parser
14608: codebase: reference to hash used for codebases of java objects found by parser
14609: thumbwidth: width (pixels) of thumbnail to be created for uploaded image
14610: thumbheight: height (pixels) of thumbnail to be created for uploaded image
14611: resizewidth: width to be used to resize image using resizeImage from ImageMagick
14612: resizeheight: height to be used to resize image using resizeImage from ImageMagick
14613: context: if 'overwrite', will move the uploaded file from its temporary location to
14614: userfiles to facilitate overwriting a previously uploaded file with same name.
1.1095 raeburn 14615: mimetype: reference to scalar to accommodate mime type determined
14616: from File::MMagic if $parser = parse.
1.608 albertel 14617:
14618: returns either the url of the uploaded file (/uploaded/....) if successful
1.1090 raeburn 14619: and /adm/notfound.html if unsuccessful (or an error message if context
14620: was 'overwrite').
14621:
1.608 albertel 14622:
14623: =item *
14624:
14625: renameuserfile(): renames an existing userfile to a new name
14626:
14627: Args:
14628: docuname: username or courseid of destination for the file
14629: docudom: domain of user/course of destination for the file
14630: old: current file name (including any subdirs under userfiles)
14631: new: desired file name (including any subdirs under userfiles)
14632:
14633: =item *
14634:
14635: mkdiruserfile(): creates a directory is a userfiles dir
14636:
14637: Args:
14638: docuname: username or courseid of destination for the file
14639: docudom: domain of user/course of destination for the file
14640: dir: dir to create (including any subdirs under userfiles)
14641:
14642: =item *
14643:
14644: removeuserfile(): removes a file that exists in userfiles
14645:
14646: Args:
14647: docuname: username or courseid of destination for the file
14648: docudom: domain of user/course of destination for the file
14649: fname: filname to delete (including any subdirs under userfiles)
14650:
14651: =item *
14652:
14653: removeuploadedurl(): convience function for removeuserfile()
14654:
14655: Args:
14656: url: a full /uploaded/... url to delete
14657:
1.747 albertel 14658: =item *
14659:
14660: get_portfile_permissions():
14661: Args:
14662: domain: domain of user or course contain the portfolio files
14663: user: name of user or num of course contain the portfolio files
14664: Returns:
14665: hashref of a dump of the proper file_permissions.db
14666:
14667:
14668: =item *
14669:
14670: get_access_controls():
14671:
14672: Args:
14673: current_permissions: the hash ref returned from get_portfile_permissions()
14674: group: (optional) the group you want the files associated with
14675: file: (optional) the file you want access info on
14676:
14677: Returns:
1.749 raeburn 14678: a hash (keys are file names) of hashes containing
14679: keys are: path to file/file_name\0uniqueID:scope_end_start (see below)
14680: values are XML containing access control settings (see below)
1.747 albertel 14681:
14682: Internal notes:
14683:
1.749 raeburn 14684: access controls are stored in file_permissions.db as key=value pairs.
14685: key -> path to file/file_name\0uniqueID:scope_end_start
14686: where scope -> public,guest,course,group,domains or users.
14687: end -> UNIX time for end of access (0 -> no end date)
14688: start -> UNIX time for start of access
14689:
14690: value -> XML description of access control
14691: <scope type=""> (type =1 of: public,guest,course,group,domains,users">
14692: <start></start>
14693: <end></end>
14694:
14695: <password></password> for scope type = guest
14696:
14697: <domain></domain> for scope type = course or group
14698: <number></number>
14699: <roles id="">
14700: <role></role>
14701: <access></access>
14702: <section></section>
14703: <group></group>
14704: </roles>
14705:
14706: <dom></dom> for scope type = domains
14707:
14708: <users> for scope type = users
14709: <user>
14710: <uname></uname>
14711: <udom></udom>
14712: </user>
14713: </users>
14714: </scope>
14715:
14716: Access data is also aggregated for each file in an additional key=value pair:
14717: key -> path to file/file_name\0accesscontrol
14718: value -> reference to hash
14719: hash contains key = value pairs
14720: where key = uniqueID:scope_end_start
14721: value = UNIX time record was last updated
14722:
14723: Used to improve speed of look-ups of access controls for each file.
14724:
14725: Locks on files (resulting from submission of portfolio file to a homework problem stored in array of arrays.
14726:
1.1172.2.13 raeburn 14727: =item *
14728:
1.749 raeburn 14729: modify_access_controls():
14730:
14731: Modifies access controls for a portfolio file
14732: Args
14733: 1. file name
14734: 2. reference to hash of required changes,
14735: 3. domain
14736: 4. username
14737: where domain,username are the domain of the portfolio owner
14738: (either a user or a course)
14739:
14740: Returns:
14741: 1. result of additions or updates ('ok' or 'error', with error message).
14742: 2. result of deletions ('ok' or 'error', with error message).
14743: 3. reference to hash of any new or updated access controls.
14744: 4. reference to hash used to map incoming IDs to uniqueIDs assigned to control.
14745: key = integer (inbound ID)
1.1172.2.13 raeburn 14746: value = uniqueID
14747:
14748: =item *
14749:
14750: get_timebased_id():
14751:
14752: Attempts to get a unique timestamp-based suffix for use with items added to a
14753: course via the Course Editor (e.g., folders, composite pages,
14754: group bulletin boards).
14755:
14756: Args: (first three required; six others optional)
14757:
14758: 1. prefix (alphanumeric): of keys in hash, e.g., suppsequence, docspage,
14759: docssequence, or name of group
14760:
14761: 2. keyid (alphanumeric): name of temporary locking key in hash,
14762: e.g., num, boardids
14763:
14764: 3. namespace: name of gdbm file used to store suffixes already assigned;
14765: file will be named nohist_namespace.db
14766:
14767: 4. cdom: domain of course; default is current course domain from %env
14768:
14769: 5. cnum: course number; default is current course number from %env
14770:
14771: 6. idtype: set to concat if an additional digit is to be appended to the
14772: unix timestamp to form the suffix, if the plain timestamp is already
14773: in use. Default is to not do this, but simply increment the unix
14774: timestamp by 1 until a unique key is obtained.
14775:
14776: 7. who: holder of locking key; defaults to user:domain for user.
14777:
14778: 8. locktries: number of attempts to obtain a lock (sleep of 1s before
14779: retrying); default is 3.
14780:
14781: 9. maxtries: number of attempts to obtain a unique suffix; default is 20.
14782:
14783: Returns:
14784:
14785: 1. suffix obtained (numeric)
14786:
14787: 2. result of deleting locking key (ok if deleted, or lock never obtained)
14788:
14789: 3. error: contains (localized) error message if an error occurred.
14790:
1.747 albertel 14791:
1.608 albertel 14792: =back
14793:
1.243 albertel 14794: =head2 HTTP Helper Routines
14795:
14796: =over 4
14797:
1.191 harris41 14798: =item *
14799:
14800: escape() : unpack non-word characters into CGI-compatible hex codes
14801:
14802: =item *
14803:
14804: unescape() : pack CGI-compatible hex codes into actual non-word ASCII character
14805:
1.243 albertel 14806: =back
14807:
14808: =head1 PRIVATE SUBROUTINES
14809:
14810: =head2 Underlying communication routines (Shouldn't call)
14811:
14812: =over 4
14813:
14814: =item *
14815:
14816: subreply() : tries to pass a message to lonc, returns con_lost if incapable
14817:
14818: =item *
14819:
14820: reply() : uses subreply to send a message to remote machine, logs all failures
14821:
14822: =item *
14823:
14824: critical() : passes a critical message to another server; if cannot
14825: get through then place message in connection buffer directory and
14826: returns con_delayed, if incapable of saving message, returns
14827: con_failed
14828:
14829: =item *
14830:
14831: reconlonc() : tries to reconnect lonc client processes.
14832:
14833: =back
14834:
14835: =head2 Resource Access Logging
14836:
14837: =over 4
14838:
14839: =item *
14840:
14841: flushcourselogs() : flush (save) buffer logs and access logs
14842:
14843: =item *
14844:
14845: courselog($what) : save message for course in hash
14846:
14847: =item *
14848:
14849: courseacclog($what) : save message for course using &courselog(). Perform
14850: special processing for specific resource types (problems, exams, quizzes, etc).
14851:
1.191 harris41 14852: =item *
14853:
14854: goodbye() : flush course logs and log shutting down; it is called in srm.conf
14855: as a PerlChildExitHandler
1.243 albertel 14856:
14857: =back
14858:
14859: =head2 Other
14860:
14861: =over 4
14862:
14863: =item *
14864:
14865: symblist($mapname,%newhash) : update symbolic storage links
1.191 harris41 14866:
14867: =back
14868:
14869: =cut
1.877 foxr 14870:
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