Annotation of loncom/auth/lonlogin.pm, revision 1.158.2.13.2.8
1.1 albertel 1: # The LearningOnline Network
2: # Login Screen
1.11 www 3: #
1.158.2.13.2. (raeburn 4:): # $Id: lonlogin.pm,v 1.158.2.13.2.7 2022/08/30 12:28:08 raeburn Exp $
1.11 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: #
1.14 albertel 28:
1.1 albertel 29: package Apache::lonlogin;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::File ();
1.63 albertel 34: use Apache::lonnet;
1.12 albertel 35: use Apache::loncommon();
1.49 www 36: use Apache::lonauth();
1.50 www 37: use Apache::lonlocal;
1.71 albertel 38: use Apache::migrateuser();
1.75 www 39: use lib '/home/httpd/lib/perl/';
1.158.2.8 raeburn 40: use LONCAPA qw(:DEFAULT :match);
1.158.2.13 raeburn 41: use URI::Escape;
42: use HTML::Entities();
1.158.2.7 raeburn 43: use CGI::Cookie();
1.75 www 44:
1.1 albertel 45: sub handler {
46: my $r = shift;
1.71 albertel 47:
48: &Apache::loncommon::get_unprocessed_cgi
1.79 albertel 49: (join('&',$ENV{'QUERY_STRING'},$env{'request.querystring'},
50: $ENV{'REDIRECT_QUERY_STRING'}),
1.71 albertel 51: ['interface','username','domain','firsturl','localpath','localres',
1.158.2.13.2. (raeburn 52:): 'token','role','symb','iptoken','btoken','ltoken','ttoken','linkkey',
53:): 'saml','sso','retry','display']);
1.71 albertel 54:
55: # -- check if they are a migrating user
56: if (defined($env{'form.token'})) {
57: return &Apache::migrateuser::handler($r);
58: }
59:
1.158.2.13 raeburn 60: my $lonhost = $r->dir_config('lonHostID');
1.158.2.13.2. (raeburn 61:): if ($env{'form.ttoken'}) {
62:): my %info = &Apache::lonnet::tmpget($env{'form.ttoken'});
63:): &Apache::lonnet::tmpdel($env{'form.ttoken'});
64:): if ($info{'origurl'}) {
65:): $env{'form.firsturl'} = $info{'origurl'};
66:): }
67:): if ($info{'ltoken'}) {
68:): $env{'form.ltoken'} = $info{'ltoken'};
69:): } elsif ($info{'linkprot'}) {
70:): $env{'form.linkprot'} = $info{'linkprot'};
71:): foreach my $item ('linkprotuser','linkprotexit') {
72:): if ($info{$item} ne '') {
73:): $env{'form.'.$item} = $info{$item};
74:): }
75:): }
76:): } elsif ($info{'linkkey'} ne '') {
77:): $env{'form.linkkey'} = $info{'linkkey'};
78:): }
79:): } elsif (($env{'form.sso'}) || ($env{'form.retry'})) {
1.158.2.13 raeburn 80: my $infotoken;
81: if ($env{'form.sso'}) {
82: $infotoken = $env{'form.sso'};
83: } else {
84: $infotoken = $env{'form.retry'};
85: }
86: my $data = &Apache::lonnet::reply('tmpget:'.$infotoken,$lonhost);
87: unless (($data=~/^error/) || ($data eq 'con_lost') ||
88: ($data eq 'no_such_host')) {
89: my %info = &decode_token($data);
90: foreach my $item (keys(%info)) {
91: $env{'form.'.$item} = $info{$item};
92: }
93: &Apache::lonnet::tmpdel($infotoken);
94: }
95: } else {
96: if (!defined($env{'form.firsturl'})) {
97: &Apache::lonacc::get_posted_cgi($r,['firsturl']);
98: }
1.158.2.13.2. (raeburn 99:): if (!defined($env{'form.firsturl'})) {
100:): if ($ENV{'REDIRECT_URL'} =~ m{^/+tiny/+$LONCAPA::match_domain/+\w+$}) {
101:): $env{'form.firsturl'} = $ENV{'REDIRECT_URL'};
102:): }
103:): }
104:): if (($env{'form.firsturl'} =~ m{^/+tiny/+$LONCAPA::match_domain/+\w+$}) &&
105:): (!$env{'form.ltoken'}) && (!$env{'form.linkprot'}) && (!$env{'form.linkkey'})) {
106:): &Apache::lonacc::get_posted_cgi($r,['linkkey']);
107:): }
1.158.2.13 raeburn 108: if ($env{'form.firsturl'} eq '/adm/logout') {
109: delete($env{'form.firsturl'});
110: }
111: }
112:
1.158.2.7 raeburn 113: # For "public user" - remove any exising "public" cookie, as user really wants to log-in
114: my ($handle,$lonidsdir,$expirepub,$userdom);
1.158.2.8 raeburn 115: $lonidsdir=$r->dir_config('lonIDsDir');
1.158.2.7 raeburn 116: unless ($r->header_only) {
117: $handle = &Apache::lonnet::check_for_valid_session($r,'lonID',undef,\$userdom);
118: if ($handle ne '') {
119: if ($handle=~/^publicuser\_/) {
120: unlink($r->dir_config('lonIDsDir')."/$handle.id");
121: undef($handle);
122: undef($userdom);
123: $expirepub = 1;
124: }
125: }
126: }
127:
1.53 www 128: &Apache::loncommon::no_cache($r);
129: &Apache::lonlocal::get_language_handle($r);
1.54 www 130: &Apache::loncommon::content_type($r,'text/html');
1.158.2.7 raeburn 131: if ($expirepub) {
1.158.2.9 raeburn 132: my $c = new CGI::Cookie(-name => 'lonPubID',
1.158.2.7 raeburn 133: -value => '',
134: -expires => '-10y',);
135: $r->header_out('Set-cookie' => $c);
136: } elsif (($handle eq '') && ($userdom ne '')) {
1.158.2.9 raeburn 137: my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
138: foreach my $name (keys(%cookies)) {
139: next unless ($name =~ /^lon(|S|Link|Pub)ID$/);
140: my $c = new CGI::Cookie(-name => $name,
141: -value => '',
142: -expires => '-10y',);
143: $r->headers_out->add('Set-cookie' => $c);
144: }
1.158.2.7 raeburn 145: }
1.1 albertel 146: $r->send_http_header;
147: return OK if $r->header_only;
148:
1.49 www 149:
150: # Are we re-routing?
1.149 raeburn 151: my $londocroot = $r->dir_config('lonDocRoot');
152: if (-e "$londocroot/lon-status/reroute.txt") {
1.49 www 153: &Apache::lonauth::reroute($r);
154: return OK;
155: }
1.55 www 156:
1.158.2.8 raeburn 157: # Check if browser sent a LON-CAPA load balancer cookie (and this is a balancer)
158:
159: my ($found_server,$balancer_cookie) = &Apache::lonnet::check_for_balancer_cookie($r,1);
160: if ($found_server) {
161: my $hostname = &Apache::lonnet::hostname($found_server);
162: if ($hostname ne '') {
163: my $protocol = $Apache::lonnet::protocol{$found_server};
164: $protocol = 'http' if ($protocol ne 'https');
165: my $dest = '/adm/roles';
166: if ($env{'form.firsturl'} ne '') {
1.158.2.13 raeburn 167: $dest = &HTML::Entities::encode($env{'form.firsturl'},'\'"<>&');
1.158.2.8 raeburn 168: }
169: my %info = (
170: balcookie => $lonhost.':'.$balancer_cookie,
171: );
1.158.2.13 raeburn 172: if ($env{'form.role'}) {
173: $info{'role'} = $env{'form.role'};
174: }
175: if ($env{'form.symb'}) {
176: $info{'symb'} = $env{'form.symb'};
177: }
1.158.2.13.2. (raeburn 178:): if (($env{'form.firsturl'} eq '/adm/email') && ($env{'form.display'} ne '')) {
179:): if ($env{'form.sso'}) {
180:): if ($env{'form.mailrecip'}) {
181:): $info{'display'} = &escape($env{'form.display'});
182:): $info{'mailrecip'} = &escape($env{'form.mailrecip'});
183:): }
184:): } else {
185:): if (($env{'form.username'}) && ($env{'form.domain'})) {
186:): $info{'display'} = &escape($env{'form.display'});
187:): $info{'mailrecipient'} = &escape($env{'form.username'}.':'.$env{'form.domain'});
188:): }
189:): }
190:): }
1.158.2.8 raeburn 191: my $balancer_token = &Apache::lonnet::tmpput(\%info,$found_server);
1.158.2.13 raeburn 192: unless (($balancer_token eq 'con_lost') || ($balancer_token eq 'refused') ||
193: ($balancer_token eq 'unknown_cmd') || ($balancer_token eq 'no_such_host')) {
194: $dest .= (($dest=~/\?/)?'&':'?') . 'btoken='.$balancer_token;
195: }
1.158.2.13.2. (raeburn 196:): if ($env{'form.firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
197:): my %link_info;
198:): if ($env{'form.ltoken'}) {
199:): $link_info{'ltoken'} = $env{'form.ltoken'};
200:): } elsif ($env{'form.linkprot'}) {
201:): $link_info{'linkprot'} = $env{'form.linkprot'};
202:): foreach my $item ('linkprotuser','linkprotexit') {
203:): if ($env{'form.'.$item} ne '') {
204:): $link_info{$item} = $env{'form.'.$item};
205:): }
206:): }
207:): } elsif ($env{'form.linkkey'} ne '') {
208:): $link_info{'linkkey'} = $env{'form.linkkey'};
209:): }
210:): if (keys(%link_info)) {
211:): $link_info{'origurl'} = $env{'form.firsturl'};
212:): my $token = &Apache::lonnet::tmpput(\%link_info,$found_server,'link');
213:): unless (($token eq 'con_lost') || ($token eq 'refused') ||
214:): ($token eq 'unknown_cmd') || ($token eq 'no_such_host')) {
215:): $dest .= (($dest=~/\?/)?'&':'?') . 'ttoken='.$token;
216:): }
217:): }
218:): }
1.158.2.13 raeburn 219: unless ($found_server eq $lonhost) {
220: my $alias = &Apache::lonnet::use_proxy_alias($r,$found_server);
221: $hostname = $alias if ($alias ne '');
1.158.2.8 raeburn 222: }
223: my $url = $protocol.'://'.$hostname.$dest;
224: my $start_page =
225: &Apache::loncommon::start_page('Switching Server ...',undef,
226: {'redirect' => [0,$url],});
227: my $end_page = &Apache::loncommon::end_page();
228: $r->print($start_page.$end_page);
229: return OK;
230: }
231: }
232:
233: #
234: # Check if a LON-CAPA load balancer sent user here because user's browser sent
235: # it a balancer cookie for an active session on this server.
236: #
237:
238: my $balcookie;
239: if ($env{'form.btoken'}) {
240: my %info = &Apache::lonnet::tmpget($env{'form.btoken'});
241: $balcookie = $info{'balcookie'};
242: &Apache::lonnet::tmpdel($env{'form.btoken'});
243: delete($env{'form.btoken'});
1.158.2.13.2. (raeburn 244:): if (($env{'form.firsturl'} eq '/adm/email') &&
245:): (exists($info{'display'})) && (exists($info{'mailrecip'}))) {
246:): $env{'form.display'} = &unescape($info{'display'});
247:): $env{'form.mailrecip'} = &unescape($info{'mailrecip'});
248:): }
1.158.2.8 raeburn 249: }
250:
1.158.2.7 raeburn 251: #
252: # If browser sent an old cookie for which the session file had been removed
253: # check if configuration for user's domain has a portal URL set. If so
254: # switch user's log-in to the portal.
255: #
256:
257: if (($handle eq '') && ($userdom ne '')) {
258: my %domdefaults = &Apache::lonnet::get_domain_defaults($userdom);
259: if ($domdefaults{'portal_def'} =~ /^https?\:/) {
260: my $start_page = &Apache::loncommon::start_page('Switching Server ...',undef,
261: {'redirect' => [0,$domdefaults{'portal_def'}],});
262: my $end_page = &Apache::loncommon::end_page();
263: $r->print($start_page.$end_page);
264: return OK;
265: }
266: }
267:
1.55 www 268: # -------------------------------- Prevent users from attempting to login twice
1.135 raeburn 269: if ($handle ne '') {
1.158.2.7 raeburn 270: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
271: my $start_page =
272: &Apache::loncommon::start_page('Already logged in');
273: my $end_page =
274: &Apache::loncommon::end_page();
275: my $dest = '/adm/roles';
276: if ($env{'form.firsturl'} ne '') {
1.158.2.13 raeburn 277: $dest = &HTML::Entities::encode($env{'form.firsturl'},'\'"<>&');
1.158.2.7 raeburn 278: }
1.158.2.13.2. (raeburn 279:): if (($env{'form.ltoken'}) || ($env{'form.linkprot'})) {
280:): my ($linkprot,$linkprotuser,$linkprotexit);
281:): if ($env{'form.ltoken'}) {
282:): my %info = &Apache::lonnet::tmpget($env{'form.ltoken'});
283:): $linkprot = $info{'linkprot'};
284:): if ($info{'linkprotuser'} ne '') {
285:): $linkprotuser = $info{'linkprotuser'};
286:): }
287:): if ($info{'linkprotexit'} ne '') {
288:): $linkprotexit = $info{'linkprotexit'};
289:): }
290:): } else {
291:): $linkprot = $env{'form.linkprot'};
292:): $linkprotuser = $env{'form.linkprotuser'};
293:): $linkprotexit = $env{'form.linkprotexit'};
294:): }
295:): if ($linkprot) {
296:): my ($linkprotector,$deeplink) = split(/:/,$linkprot,2);
297:): if (($deeplink =~ m{^/tiny/$match_domain/\w+$}) &&
298:): ($linkprotuser ne '') && ($linkprotuser ne $env{'user.name'}.':'.$env{'user.domain'})) {
299:): my $ip = &Apache::lonnet::get_requestor_ip();
300:): my %linkprotinfo = (
301:): origurl => $deeplink,
302:): linkprot => $linkprot,
303:): linkprotuser => $linkprotuser,
304:): linkprotexit => $linkprotexit,
305:): );
306:): if ($env{'form.ltoken'}) {
307:): my $delete = &Apache::lonnet::tmpdel($env{'form.ltoken'});
308:): }
309:): &Apache::migrateuser::logout($r,$ip,$handle,undef,undef,\%linkprotinfo);
310:): return OK;
311:): }
312:): if ($env{'user.linkprotector'}) {
313:): my @protectors = split(/,/,$env{'user.linkprotector'});
314:): unless (grep(/^\Q$linkprotector\E$/,@protectors)) {
315:): push(@protectors,$linkprotector);
316:): @protectors = sort { $a <=> $b } @protectors;
317:): &Apache::lonnet::appenv({'user.linkprotector' => join(',',@protectors)});
318:): }
319:): } else {
320:): &Apache::lonnet::appenv({'user.linkprotector' => $linkprotector });
321:): }
322:): if ($env{'user.linkproturi'}) {
323:): my @proturis = split(/,/,$env{'user.linkproturi'});
324:): unless (grep(/^\Q$deeplink\E$/,@proturis)) {
325:): push(@proturis,$deeplink);
326:): @proturis = sort @proturis;
327:): &Apache::lonnet::appenv({'user.linkproturi' => join(',',@proturis)});
328:): }
329:): } else {
330:): &Apache::lonnet::appenv({'user.linkproturi' => $deeplink});
331:): }
332:): }
333:): } elsif ($env{'form.linkkey'} ne '') {
334:): if ($env{'form.firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
335:): my $linkkey = $env{'form.linkkey'};
336:): if ($env{'user.deeplinkkey'}) {
337:): my @linkkeys = split(/,/,$env{'user.deeplinkkey'});
338:): unless (grep(/^\Q$linkkey\E$/,@linkkeys)) {
339:): push(@linkkeys,$linkkey);
340:): &Apache::lonnet::appenv({'user.deeplinkkey' => join(',',sort(@linkkeys))});
341:): }
342:): } else {
343:): &Apache::lonnet::appenv({'user.deeplinkkey' => $linkkey});
344:): }
345:): my $deeplink = $env{'form.firsturl'};
346:): if ($env{'user.keyedlinkuri'}) {
347:): my @keyeduris = split(/,/,$env{'user.keyedlinkuri'});
348:): unless (grep(/^\Q$deeplink\E$/,@keyeduris)) {
349:): push(@keyeduris,$deeplink);
350:): &Apache::lonnet::appenv({'user.keyedlinkuri' => join(',',sort(@keyeduris))});
351:): }
352:): } else {
353:): &Apache::lonnet::appenv({'user.keyedlinkuri' => $deeplink});
354:): }
355:): }
356:): }
357:): if ($env{'form.ltoken'}) {
358:): my $delete = &Apache::lonnet::tmpdel($env{'form.ltoken'});
359:): }
360:): if (($env{'form.firsturl'} eq '/adm/email') && ($env{'form.display'})) {
361:): if ($env{'form.mailrecip'}) {
362:): if ($env{'form.mailrecip'} eq "$env{'user.name'}:$env{'user.domain'}") {
363:): $dest .= (($dest=~/\?/)?'&':'?') . 'display='.&escape($env{'form.display'}).
364:): '&mailrecip='.&escape($env{'form.mailrecip'});
365:): }
366:): } elsif (($env{'form.username'} eq $env{'user.name'}) && ($env{'form.domain'} eq $env{'user.domain'})) {
367:): $dest .= (($dest=~/\?/)?'&':'?') . 'display='.&escape($env{'form.display'}).
368:): '&mailrecip='.&escape("$env{'user.name'}:$env{'form.domain'}");
369:): }
370:): }
1.158.2.7 raeburn 371: $r->print(
372: $start_page
373: .'<p class="LC_warning">'.&mt('You are already logged in!').'</p>'
374: .'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].',
375: '<a href="'.$dest.'">','</a>','<a href="/adm/logout">','</a>').'</p>'
376: .$end_page
377: );
378: return OK;
1.55 www 379: }
380:
381: # ---------------------------------------------------- No valid token, continue
1.16 www 382:
1.157 raeburn 383: # ---------------------------- Not possible to really login to domain "public"
1.70 www 384: if ($env{'form.domain'} eq 'public') {
385: $env{'form.domain'}='';
386: $env{'form.username'}='';
387: }
1.157 raeburn 388:
389: # ------ Is this page requested because /adm/migrateuser detected an IP change?
390: my %sessiondata;
391: if ($env{'form.iptoken'}) {
392: %sessiondata = &Apache::lonnet::tmpget($env{'form.iptoken'});
1.158.2.2 raeburn 393: unless ($sessiondata{'sessionserver'}) {
394: my $delete = &Apache::lonnet::tmpdel($env{'form.iptoken'});
395: delete($env{'form.iptoken'});
396: }
1.157 raeburn 397: }
1.32 www 398: # ----------------------------------------------------------- Process Interface
1.63 albertel 399: $env{'form.interface'}=~s/\W//g;
1.16 www 400:
1.156 raeburn 401: (undef,undef,undef,undef,undef,undef,my $clientmobile) =
1.158.2.13 raeburn 402: &Apache::loncommon::decode_user_agent($r);
1.94 albertel 403:
404: my $iconpath=
405: &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
406:
1.87 raeburn 407: my $domain = &Apache::lonnet::default_login_domain();
1.158.2.3 raeburn 408: my $defdom = $domain;
1.126 raeburn 409: if ($lonhost ne '') {
1.157 raeburn 410: unless ($sessiondata{'sessionserver'}) {
1.158.2.8 raeburn 411: my $redirect = &check_loginvia($domain,$lonhost,$lonidsdir,$balcookie);
1.157 raeburn 412: if ($redirect) {
413: $r->print($redirect);
414: return OK;
415: }
416: }
1.126 raeburn 417: }
418:
1.157 raeburn 419: if (($sessiondata{'domain'}) &&
1.158.2.8 raeburn 420: (&Apache::lonnet::domain($sessiondata{'domain'},'description'))) {
1.157 raeburn 421: $domain=$sessiondata{'domain'};
422: } elsif (($env{'form.domain'}) &&
1.89 albertel 423: (&Apache::lonnet::domain($env{'form.domain'},'description'))) {
1.63 albertel 424: $domain=$env{'form.domain'};
1.46 www 425: }
1.157 raeburn 426:
1.1 albertel 427: my $role = $r->dir_config('lonRole');
428: my $loadlim = $r->dir_config('lonLoadLim');
1.145 www 429: my $uloadlim= $r->dir_config('lonUserLoadLim');
1.90 raeburn 430: my $servadm = $r->dir_config('lonAdmEMail');
1.1 albertel 431: my $tabdir = $r->dir_config('lonTabDir');
1.6 www 432: my $include = $r->dir_config('lonIncludes');
1.37 www 433: my $expire = $r->dir_config('lonExpire');
1.44 www 434: my $version = $r->dir_config('lonVersion');
1.88 albertel 435: my $host_name = &Apache::lonnet::hostname($lonhost);
1.1 albertel 436:
1.30 www 437: # --------------------------------------------- Default values for login fields
1.157 raeburn 438:
439: my ($authusername,$authdomain);
440: if ($sessiondata{'username'}) {
441: $authusername=$sessiondata{'username'};
442: } else {
1.158 raeburn 443: $env{'form.username'} = &Apache::loncommon::cleanup_html($env{'form.username'});
1.157 raeburn 444: $authusername=($env{'form.username'}?$env{'form.username'}:'');
445: }
446: if ($sessiondata{'domain'}) {
447: $authdomain=$sessiondata{'domain'};
1.158 raeburn 448: } else {
449: $env{'form.domain'} = &Apache::loncommon::cleanup_html($env{'form.domain'});
1.157 raeburn 450: $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain);
451: }
1.30 www 452:
453: # ---------------------------------------------------------- Determine own load
1.1 albertel 454: my $loadavg;
1.41 albertel 455: {
456: my $loadfile=Apache::File->new('/proc/loadavg');
457: $loadavg=<$loadfile>;
458: }
1.1 albertel 459: $loadavg =~ s/\s.*//g;
1.147 raeburn 460:
461: my ($loadpercent,$userloadpercent);
462: if ($loadlim) {
463: $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
464: }
465: if ($uloadlim) {
466: $userloadpercent=&Apache::lonnet::userload();
467: }
1.1 albertel 468:
1.31 www 469: my $firsturl=
1.63 albertel 470: ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'});
1.141 raeburn 471:
1.45 www 472: # ----------------------------------------------------------- Get announcements
473: my $announcements=&Apache::lonnet::getannounce();
1.6 www 474: # -------------------------------------------------------- Set login parameters
475:
476: my @hexstr=('0','1','2','3','4','5','6','7',
477: '8','9','a','b','c','d','e','f');
478: my $lkey='';
479: for (0..7) {
480: $lkey.=$hexstr[rand(15)];
481: }
482:
483: my $ukey='';
484: for (0..7) {
485: $ukey.=$hexstr[rand(15)];
486: }
487:
488: my $lextkey=hex($lkey);
1.15 www 489: if ($lextkey>2147483647) { $lextkey-=4294967296; }
490:
1.6 www 491: my $uextkey=hex($ukey);
1.15 www 492: if ($uextkey>2147483647) { $uextkey-=4294967296; }
493:
1.31 www 494: # -------------------------------------------------------- Store away log token
1.158.2.13.2. (raeburn 495:): my ($tokenextras,$tokentype,$linkprot_for_login);
496:): my @names = ('role','symb','iptoken','ltoken','linkprotuser','linkprotexit','linkprot','linkkey','display');
1.158.2.13 raeburn 497: foreach my $name (@names) {
498: if ($env{'form.'.$name} ne '') {
1.158.2.13.2. (raeburn 499:): if ($name eq 'ltoken') {
500:): my %info = &Apache::lonnet::tmpget($env{'form.'.$name});
501:): if ($info{'linkprot'}) {
502:): $linkprot_for_login = $info{'linkprot'};
503:): $tokenextras .= '&linkprot='.&escape($info{'linkprot'});
504:): foreach my $item ('linkprotuser','linkprotexit') {
505:): if ($info{$item}) {
506:): $tokenextras .= '&'.$item.'='.&escape($info{$item});
507:): }
508:): }
509:): $tokentype = 'link';
510:): last;
511:): }
512:): } elsif ($env{'form.display'} && ($env{'form.firsturl'} eq '/adm/email')) {
513:): if (($env{'form.mailrecip'}) ||
514:): ($env{'form.username'} =~ /^$match_username$/) && ($env{'form.domain'} =~ /^$match_domain$/)) {
515:): $tokenextras .= '&'.$name.'='.&escape($env{'form.display'});
516:): if ($env{'form.mailrecip'}) {
517:): $tokenextras .= '&mailrecip='.&escape($env{'form.mailrecip'});
518:): } else {
519:): $tokenextras .= '&mailrecip='.&escape($env{'form.username'}.':'.$env{'form.domain'});
520:): }
521:): }
522:): } else {
523:): $tokenextras .= '&'.$name.'='.&escape($env{'form.'.$name});
524:): if (($name eq 'linkkey') || ($name eq 'linkprot')) {
525:): if ((($env{'form.retry'}) || ($env{'form.sso'})) &&
526:): (!$env{'form.ltoken'}) && ($name eq 'linkprot')) {
527:): $linkprot_for_login = $env{'form.linkprot'};
528:): }
529:): $tokentype = 'link';
530:): }
531:): }
1.158.2.2 raeburn 532: }
533: }
1.158.2.13.2. (raeburn 534:): if ($tokentype) {
535:): $tokenextras .= ":$tokentype";
536:): }
1.6 www 537: my $logtoken=Apache::lonnet::reply(
1.158.2.13 raeburn 538: 'tmpput:'.$ukey.$lkey.'&'.&escape($firsturl).$tokenextras,
1.6 www 539: $lonhost);
1.31 www 540:
1.148 raeburn 541: # -- If we cannot talk to ourselves, or hostID does not map to a hostname
542: # we are in serious trouble
1.31 www 543:
1.148 raeburn 544: if (($logtoken eq 'con_lost') || ($logtoken eq 'no_such_host')) {
545: if ($logtoken eq 'no_such_host') {
546: &Apache::lonnet::logthis('No valid logtoken for log-in page -- unable to determine hostname for hostID: '.$lonhost.'. Check entry in hosts.tab');
547: }
1.158.2.13.2. (raeburn 548:): if ($env{'form.ltoken'}) {
549:): &Apache::lonnet::tmpdel($env{'form.ltoken'});
550:): delete($env{'form.ltoken'});
551:): }
1.31 www 552: my $spares='';
1.158.2.10 raeburn 553: my (@sparehosts,%spareservers);
554: my $sparesref = &Apache::lonnet::this_host_spares($defdom);
555: if (ref($sparesref) eq 'HASH') {
556: foreach my $key (keys(%{$sparesref})) {
557: if (ref($sparesref->{$key}) eq 'ARRAY') {
558: my @sorted = sort { &Apache::lonnet::hostname($a) cmp
559: &Apache::lonnet::hostname($b);
560: } @{$sparesref->{$key}};
561: if (@sorted) {
562: if ($key eq 'primary') {
563: unshift(@sparehosts,@sorted);
564: } elsif ($key eq 'default') {
565: push(@sparehosts,@sorted);
566: }
567: }
568: }
569: }
570: }
571: foreach my $hostid (@sparehosts) {
1.58 matthew 572: next if ($hostid eq $lonhost);
1.88 albertel 573: my $hostname = &Apache::lonnet::hostname($hostid);
1.158.2.10 raeburn 574: next if (($hostname eq '') || ($spareservers{$hostname}));
575: $spareservers{$hostname} = 1;
576: my $protocol = $Apache::lonnet::protocol{$hostid};
577: $protocol = 'http' if ($protocol ne 'https');
578: $spares.='<br /><span style="font-size: larger;"><a href="'.$protocol.'://'.
1.88 albertel 579: $hostname.
1.58 matthew 580: '/adm/login?domain='.$authdomain.'">'.
1.88 albertel 581: $hostname.'</a>'.
1.158.2.10 raeburn 582: ' '.&mt('(preferred)').'</span>'.$/;
1.58 matthew 583: }
1.148 raeburn 584: if ($spares) {
585: $spares.= '<br />';
586: }
1.151 raeburn 587: my %all_hostnames = &Apache::lonnet::all_hostnames();
588: foreach my $hostid (sort
1.107 tempelho 589: {
590: &Apache::lonnet::hostname($a) cmp
591: &Apache::lonnet::hostname($b);
592: }
593: keys(%all_hostnames)) {
1.158.2.10 raeburn 594: next if ($hostid eq $lonhost);
1.151 raeburn 595: my $hostname = &Apache::lonnet::hostname($hostid);
1.158.2.10 raeburn 596: next if (($hostname eq '') || ($spareservers{$hostname}));
1.158.2.11 raeburn 597: $spareservers{$hostname} = 1;
1.158.2.10 raeburn 598: my $protocol = $Apache::lonnet::protocol{$hostid};
599: $protocol = 'http' if ($protocol ne 'https');
600: $spares.='<br /><a href="'.$protocol.'://'.
1.151 raeburn 601: $hostname.
602: '/adm/login?domain='.$authdomain.'">'.
603: $hostname.'</a>';
604: }
605: $r->print(
1.158.2.10 raeburn 606: '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">'
607: .'<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">'
608: .'<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>'
1.107 tempelho 609: .&mt('The LearningOnline Network with CAPA')
610: .'</title></head>'
611: .'<body bgcolor="#FFFFFF">'
612: .'<h1>'.&mt('The LearningOnline Network with CAPA').'</h1>'
1.158.2.10 raeburn 613: .'<img src="/adm/lonKaputt/lonlogo_broken.gif" alt="broken icon" align="right" />'
1.148 raeburn 614: .'<h3>'.&mt('This LON-CAPA server is temporarily not available for login.').'</h3>');
1.151 raeburn 615: if ($spares) {
616: $r->print('<p>'.&mt('Please attempt to login to one of the following servers:')
617: .'</p>'
618: .$spares);
619: }
620: $r->print('</body>'
621: .'</html>'
622: );
623: return OK;
624: }
1.31 www 625:
626: # ----------------------------------------------- Apparently we are in business
1.151 raeburn 627: $servadm=~s/\,/\<br \/\>/g;
1.38 www 628:
1.21 www 629: # ----------------------------------------------------------- Front page design
1.151 raeburn 630: my $pgbg=&Apache::loncommon::designparm('login.pgbg',$domain);
631: my $font=&Apache::loncommon::designparm('login.font',$domain);
632: my $link=&Apache::loncommon::designparm('login.link',$domain);
633: my $vlink=&Apache::loncommon::designparm('login.vlink',$domain);
634: my $alink=&Apache::loncommon::designparm('login.alink',$domain);
635: my $mainbg=&Apache::loncommon::designparm('login.mainbg',$domain);
636: my $loginbox_bg=&Apache::loncommon::designparm('login.sidebg',$domain);
637: my $loginbox_header_bgcol=&Apache::loncommon::designparm('login.bgcol',$domain);
638: my $loginbox_header_textcol=&Apache::loncommon::designparm('login.textcol',$domain);
639: my $logo=&Apache::loncommon::designparm('login.logo',$domain);
640: my $img=&Apache::loncommon::designparm('login.img',$domain);
641: my $domainlogo=&Apache::loncommon::domainlogo($domain);
642: my $showbanner = 1;
643: my $showmainlogo = 1;
644: if (defined(&Apache::loncommon::designparm('login.showlogo_img',$domain))) {
645: $showbanner = &Apache::loncommon::designparm('login.showlogo_img',$domain);
646: }
647: if (defined(&Apache::loncommon::designparm('login.showlogo_logo',$domain))) {
648: $showmainlogo = &Apache::loncommon::designparm('login.showlogo_logo',$domain);
649: }
1.153 raeburn 650: my $showadminmail;
651: my @possdoms = &Apache::lonnet::current_machine_domains();
652: if (grep(/^\Q$domain\E$/,@possdoms)) {
653: $showadminmail=&Apache::loncommon::designparm('login.adminmail',$domain);
654: }
1.151 raeburn 655: my $showcoursecat =
656: &Apache::loncommon::designparm('login.coursecatalog',$domain);
657: my $shownewuserlink =
658: &Apache::loncommon::designparm('login.newuser',$domain);
1.153 raeburn 659: my $showhelpdesk =
660: &Apache::loncommon::designparm('login.helpdesk',$domain);
1.151 raeburn 661: my $now=time;
662: my $js = (<<ENDSCRIPT);
1.107 tempelho 663:
1.116 bisitz 664: <script type="text/javascript" language="JavaScript">
1.122 bisitz 665: // <![CDATA[
1.107 tempelho 666: function send()
667: {
668: this.document.server.elements.uname.value
669: =this.document.client.elements.uname.value;
670:
671: this.document.server.elements.udom.value
672: =this.document.client.elements.udom.value;
673:
674: uextkey=this.document.client.elements.uextkey.value;
675: lextkey=this.document.client.elements.lextkey.value;
676: initkeys();
677:
678: this.document.server.elements.upass0.value
1.158.2.5 raeburn 679: =getCrypted(this.document.client.elements.upass$now.value);
1.6 www 680:
1.107 tempelho 681: this.document.client.elements.uname.value='';
682: this.document.client.elements.upass$now.value='';
1.6 www 683:
1.107 tempelho 684: this.document.server.submit();
685: return false;
686: }
1.139 raeburn 687:
688: function enableInput() {
1.144 bisitz 689: this.document.client.elements.upass$now.removeAttribute("readOnly");
690: this.document.client.elements.uname.removeAttribute("readOnly");
691: this.document.client.elements.udom.removeAttribute("readOnly");
1.139 raeburn 692: return;
693: }
694:
1.122 bisitz 695: // ]]>
1.107 tempelho 696: </script>
1.98 raeburn 697:
1.16 www 698: ENDSCRIPT
1.6 www 699:
1.158.2.13 raeburn 700: my ($lonhost_in_use,@hosts,%defaultdomconf,$saml_prefix,$saml_landing,
1.158.2.13.2. (raeburn 701:): $samlssotext,$samlnonsso,$samlssoimg,$samlssoalt,$samlssourl,$samltooltip,
702:): $samlwindow);
1.158.2.13 raeburn 703: %defaultdomconf = &Apache::loncommon::get_domainconf($defdom);
1.158.2.4 raeburn 704: @hosts = &Apache::lonnet::current_machine_ids();
705: $lonhost_in_use = $lonhost;
706: if (@hosts > 1) {
707: foreach my $hostid (@hosts) {
708: if (&Apache::lonnet::host_domain($hostid) eq $defdom) {
709: $lonhost_in_use = $hostid;
710: last;
711: }
712: }
713: }
1.158.2.13 raeburn 714: $saml_prefix = $defdom.'.login.saml_';
715: if ($defaultdomconf{$saml_prefix.$lonhost_in_use}) {
716: $saml_landing = 1;
717: $samlssotext = $defaultdomconf{$saml_prefix.'text_'.$lonhost_in_use};
718: $samlnonsso = $defaultdomconf{$saml_prefix.'notsso_'.$lonhost_in_use};
719: $samlssoimg = $defaultdomconf{$saml_prefix.'img_'.$lonhost_in_use};
720: $samlssoalt = $defaultdomconf{$saml_prefix.'alt_'.$lonhost_in_use};
721: $samlssourl = $defaultdomconf{$saml_prefix.'url_'.$lonhost_in_use};
722: $samltooltip = $defaultdomconf{$saml_prefix.'title_'.$lonhost_in_use};
1.158.2.13.2. (raeburn 723:): $samlwindow = $defaultdomconf{$saml_prefix.'window_'.$lonhost_in_use};
1.158.2.13 raeburn 724: }
725: if ($saml_landing) {
726: if ($samlssotext eq '') {
727: $samlssotext = 'SSO Login';
728: }
729: if ($samlnonsso eq '') {
730: $samlnonsso = 'Non-SSO Login';
731: }
732: $js .= <<"ENDSAMLJS";
733:
734: <script type="text/javascript">
735: // <![CDATA[
736: function toggleLClogin() {
737: if (document.getElementById('LC_standard_login')) {
738: if (document.getElementById('LC_standard_login').style.display == 'none') {
739: document.getElementById('LC_standard_login').style.display = 'inline-block';
740: if (document.getElementById('LC_login_text')) {
741: document.getElementById('LC_login_text').innerHTML = '$samlnonsso';
742: }
1.158.2.13.2. (raeburn 743:): if ( document.client.uname ) { document.client.uname.focus(); }
1.158.2.13 raeburn 744: if (document.getElementById('LC_SSO_login')) {
745: document.getElementById('LC_SSO_login').style.display = 'none';
746: }
747: } else {
748: document.getElementById('LC_standard_login').style.display = 'none';
749: if (document.getElementById('LC_login_text')) {
750: document.getElementById('LC_login_text').innerHTML = '$samlssotext';
751: }
752: if (document.getElementById('LC_SSO_login')) {
753: document.getElementById('LC_SSO_login').style.display = 'inline-block';
754: }
755: }
756: }
757: return;
758: }
759:
760: // ]]>
761: </script>
762:
763: ENDSAMLJS
764: }
765:
766: # --------------------------------------------------- Print login screen header
767:
768: my %add_entries = (
769: bgcolor => "$mainbg",
770: text => "$font",
771: link => "$link",
772: vlink => "$vlink",
773: alink => "$alink",
774: onload => 'javascript:enableInput();',);
775:
776: my ($headextra,$headextra_exempt);
1.158.2.4 raeburn 777: $headextra = $defaultdomconf{$defdom.'.login.headtag_'.$lonhost_in_use};
778: $headextra_exempt = $defaultdomconf{$domain.'.login.headtag_exempt_'.$lonhost_in_use};
1.158.2.1 raeburn 779: if ($headextra) {
780: my $omitextra;
781: if ($headextra_exempt ne '') {
782: my @exempt = split(',',$headextra_exempt);
1.158.2.12 raeburn 783: my $ip = &Apache::lonnet::get_requestor_ip();
1.158.2.1 raeburn 784: if (grep(/^\Q$ip\E$/,@exempt)) {
785: $omitextra = 1;
786: }
787: }
788: unless ($omitextra) {
789: my $confname = $defdom.'-domainconfig';
1.158.2.4 raeburn 790: if ($headextra =~ m{^\Q/res/$defdom/$confname/login/headtag/$lonhost_in_use/\E}) {
1.158.2.1 raeburn 791: my $extra = &Apache::lonnet::getfile(&Apache::lonnet::filelocation("",$headextra));
792: unless ($extra eq '-1') {
793: $js .= "\n".$extra."\n";
794: }
795: }
796: }
797: }
798:
1.151 raeburn 799: $r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',$js,
1.107 tempelho 800: { 'redirect' => [$expire,'/adm/roles'],
801: 'add_entries' => \%add_entries,
802: 'only_body' => 1,}));
1.98 raeburn 803:
804: # ----------------------------------------------------------------------- Texts
805:
1.151 raeburn 806: my %lt=&Apache::lonlocal::texthash(
1.129 bisitz 807: 'un' => 'Username',
808: 'pw' => 'Password',
809: 'dom' => 'Domain',
810: 'perc' => 'percent',
811: 'load' => 'Server Load',
812: 'userload' => 'User Load',
813: 'catalog' => 'Course/Community Catalog',
814: 'log' => 'Log in',
815: 'help' => 'Log-in Help',
816: 'serv' => 'Server',
817: 'servadm' => 'Server Administration',
818: 'helpdesk' => 'Contact Helpdesk',
819: 'forgotpw' => 'Forgot password?',
820: 'newuser' => 'New User?',
1.158.2.13 raeburn 821: 'change' => 'Change?',
1.129 bisitz 822: );
1.98 raeburn 823: # -------------------------------------------------- Change password field name
1.131 jms 824:
1.151 raeburn 825: my $forgotpw = &forgotpwdisplay(%lt);
826: $forgotpw .= '<br />' if $forgotpw;
1.152 raeburn 827: my $loginhelp = &Apache::lonauth::loginhelpdisplay($authdomain);
828: if ($loginhelp) {
829: $loginhelp = '<a href="'.$loginhelp.'">'.$lt{'help'}.'</a><br />';
830: }
1.98 raeburn 831:
832: # ---------------------------------------------------- Serve out DES JavaScript
1.151 raeburn 833: {
834: my $jsh=Apache::File->new($include."/londes.js");
835: $r->print(<$jsh>);
836: }
1.98 raeburn 837: # ---------------------------------------------------------- Serve rest of page
838:
1.151 raeburn 839: $r->print(
1.137 bisitz 840: '<div class="LC_Box"'
841: .' style="margin:0 auto; padding:10px; width:90%; height: auto; background-color:#FFFFFF;">'
842: );
1.6 www 843:
1.151 raeburn 844: $r->print(<<ENDSERVERFORM);
1.140 raeburn 845: <form name="server" action="/adm/authenticate" method="post" target="_top">
1.33 www 846: <input type="hidden" name="logtoken" value="$logtoken" />
847: <input type="hidden" name="serverid" value="$lonhost" />
848: <input type="hidden" name="uname" value="" />
1.65 www 849: <input type="hidden" name="upass0" value="" />
1.33 www 850: <input type="hidden" name="udom" value="" />
1.63 albertel 851: <input type="hidden" name="localpath" value="$env{'form.localpath'}" />
852: <input type="hidden" name="localres" value="$env{'form.localres'}" />
1.14 albertel 853: </form>
1.16 www 854: ENDSERVERFORM
1.151 raeburn 855: my $coursecatalog;
856: if (($showcoursecat eq '') || ($showcoursecat)) {
857: $coursecatalog = &coursecatalog_link($lt{'catalog'}).'<br />';
858: }
859: my $newuserlink;
860: if ($shownewuserlink) {
861: $newuserlink = &newuser_link($lt{'newuser'}).'<br />';
862: }
863: my $logintitle =
864: '<h2 class="LC_hcell"'
865: .' style="background:'.$loginbox_header_bgcol.';'
866: .' color:'.$loginbox_header_textcol.'">'
867: .$lt{'log'}
868: .'</h2>';
869:
870: my $noscript_warning='<noscript><span class="LC_warning"><b>'
871: .&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.')
872: .'</b></span></noscript>';
873: my $helpdeskscript;
874: my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail,
1.153 raeburn 875: $authdomain,\$helpdeskscript,
876: $showhelpdesk,\@possdoms);
1.107 tempelho 877:
1.156 raeburn 878: my $mobileargs;
879: if ($clientmobile) {
880: $mobileargs = 'autocapitalize="off" autocorrect="off"';
881: }
1.151 raeburn 882: my $loginform=(<<LFORM);
1.158.2.13 raeburn 883: <form name="client" action="" onsubmit="return(send())" id="lclogin">
1.115 bisitz 884: <input type="hidden" name="lextkey" value="$lextkey" />
885: <input type="hidden" name="uextkey" value="$uextkey" />
1.108 tempelho 886: <b><label for="uname">$lt{'un'}</label>:</b><br />
1.156 raeburn 887: <input type="text" name="uname" id="uname" size="15" value="$authusername" readonly="readonly" $mobileargs /><br />
1.108 tempelho 888: <b><label for="upass$now">$lt{'pw'}</label>:</b><br />
1.139 raeburn 889: <input type="password" name="upass$now" id="upass$now" size="15" readonly="readonly" /><br />
1.108 tempelho 890: <b><label for="udom">$lt{'dom'}</label>:</b><br />
1.156 raeburn 891: <input type="text" name="udom" id="udom" size="15" value="$authdomain" readonly="readonly" $mobileargs /><br />
1.108 tempelho 892: <input type="submit" value="$lt{'log'}" />
893: </form>
894: LFORM
895:
1.109 raeburn 896: if ($showbanner) {
1.158.2.13.2. (raeburn 897:): my $alttext = &Apache::loncommon::designparm('login.alttext_img',$domain);
898:): if ($alttext eq '') {
899:): $alttext = 'The Learning Online Network with CAPA';
900:): }
1.109 raeburn 901: $r->print(<<HEADER);
902: <!-- The LON-CAPA Header -->
1.132 bisitz 903: <div style="background:$pgbg;margin:0;width:100%;">
1.158.2.13.2. (raeburn 904:): <img src="$img" border="0" alt="$alttext" class="LC_maxwidth" id="lcloginbanner" />
1.132 bisitz 905: </div>
1.109 raeburn 906: HEADER
907: }
1.158.2.13 raeburn 908:
909: my $stdauthformstyle = 'inline-block';
910: my $ssoauthstyle = 'none';
1.158.2.13.2. (raeburn 911:): my $sso_onclick;
1.158.2.13 raeburn 912: my $logintype;
913: $r->print('<div style="float:left;margin-top:0;">');
914: if ($saml_landing) {
915: $ssoauthstyle = 'inline-block';
916: $stdauthformstyle = 'none';
917: $logintype = $samlssotext;
918: my $ssologin = '/adm/sso';
919: if ($samlssourl ne '') {
920: $ssologin = $samlssourl;
921: }
1.158.2.13.2. (raeburn 922:): my $ssologin_for_js = &js_escape($ssologin);
923:): my $querystr_for_js;
1.158.2.13 raeburn 924: if (($logtoken eq 'con_lost') || ($logtoken eq 'no_such_host')) {
925: my $querystring;
926: if ($env{'form.firsturl'} ne '') {
927: $querystring = 'origurl=';
928: if ($env{'form.firsturl'} =~ /[^\x00-\xFF]/) {
929: $querystring .= &uri_escape_utf8($env{'form.firsturl'});
930: } else {
931: $querystring .= &uri_escape($env{'form.firsturl'});
932: }
933: $querystring = &HTML::Entities::encode($querystring,"'");
934: }
1.158.2.13.2. (raeburn 935:): if ($env{'form.ltoken'} ne '') {
936:): $querystring .= (($querystring eq '')?'':'&') . 'ltoken='.
937:): &HTML::Entities::encode(&uri_escape($env{'form.ltoken'}));
938:): } elsif ($env{'form.linkkey'}) {
939:): $querystring .= (($querystring eq '')?'':'&') . 'linkkey='.
940:): &HTML::Entities::encode(&uri_escape($env{'form.linkkey'}));
941:): }
1.158.2.13 raeburn 942: if ($querystring ne '') {
943: $ssologin .= (($ssologin=~/\?/)?'&':'?') . $querystring;
1.158.2.13.2. (raeburn 944:): $querystr_for_js = &js_escape($querystring);
1.158.2.13 raeburn 945: }
946: } elsif ($logtoken ne '') {
947: $ssologin .= (($ssologin=~/\?/)?'&':'?') . 'logtoken='.$logtoken;
1.158.2.13.2. (raeburn 948:): $querystr_for_js = &js_escape('logtoken='.$logtoken);
1.158.2.13 raeburn 949: }
950: my $ssohref;
1.158.2.13.2. (raeburn 951:): if ($samlwindow) {
952:): $sso_onclick = <<"ENDJS";
953:): if (document.getElementById('LC_sso_login_link')) {
954:): var ssoelem = document.getElementById('LC_sso_login_link')
955:): ssoelem.addEventListener('click',samlWinFunction,false);
956:): var windows = {};
957:): function samlWinFunction(evt) {
958:): evt.preventDefault();
959:): var url = '$ssologin_for_js';
960:): var name = 'lcssowin';
961:): var querystr = '$querystr_for_js';
962:): if (querystr) {
963:): url += '?'+querystr+'&lcssowin=1';
964:): } else {
965:): url += '?lcssowin=1';
966:): }
967:): if ((typeof windows[name] !== 'undefined') && (!windows[name].closed)) {
968:): windows[name].close();
969:): }
970:): windows[name]=window.open(url,name,'width=350,height=600');
971:): windows[name].focus();
972:): return false;
973:): }
974:): }
975:): ENDJS
976:): }
1.158.2.13 raeburn 977: if ($samlssoimg ne '') {
1.158.2.13.2. (raeburn 978:): $ssohref = '<a href="'.$ssologin.'" title="'.$samltooltip.'" id="LC_sso_login_link">'.
979:): '<img src="'.$samlssoimg.'" alt="'.$samlssoalt.'" id="lcssobutton" /></a>';
1.158.2.13 raeburn 980: } else {
1.158.2.13.2. (raeburn 981:): $ssohref = '<a href="'.$ssologin.'" id="LC_sso_login_link">'.$samlssotext.'</a>';
1.158.2.13 raeburn 982: }
983: if (($env{'form.saml'} eq 'no') ||
984: (($env{'form.username'} ne '') && ($env{'form.domain'} ne ''))) {
985: $ssoauthstyle = 'none';
986: $stdauthformstyle = 'inline-block';
987: $logintype = $samlnonsso;
988: }
989: $r->print(<<ENDSAML);
990: <p>
991: Log-in type:
992: <span style="font-weight:bold" id="LC_login_text">$logintype</span><br />
993: <span><a href="javascript:toggleLClogin();" style="color:#000000">$lt{'change'}</a></span>
994: </p>
995: <div style="display:$ssoauthstyle" id="LC_SSO_login">
996: <div class="LC_Box" style="padding-top: 10px;">
997: $ssohref
998: $noscript_warning
999: </div>
1000: <div class="LC_Box" style="padding-top: 10px;">
1001: $loginhelp
1002: $contactblock
1003: $coursecatalog
1004: </div>
1005: </div>
1006: ENDSAML
1.158.2.13.2. (raeburn 1007:): } else {
1008:): if ($env{'form.ltoken'}) {
1009:): &Apache::lonnet::tmpdel($env{'form.ltoken'});
1010:): delete($env{'form.ltoken'});
1011:): }
1.158.2.13 raeburn 1012: }
1.158.2.13.2. (raeburn 1013:): my $in_frame_js;
1014:): if ($linkprot_for_login) {
1015:): my ($linkprotector,$linkproturi) = split(/:/,$linkprot_for_login,2);
1016:): if (($linkprotector =~ /^\d+(c|d)$/) && ($linkproturi =~ m{^/+tiny/+$LONCAPA::match_domain/+\w+$})) {
1017:): my $set_target;
1018:): if (($env{'form.retry'}) || ($env{'form.sso'})) {
1019:): if ($linkproturi eq $env{'form.firsturl'}) {
1020:): $set_target = " document.server.target = '_self';";
1021:): }
1022:): } else {
1023:): $set_target = <<ENDTARG;
1024:): var linkproturi = '$linkproturi';
1025:): var path = document.location.pathname.replace( new RegExp('^/adm/launch'),'');
1026:): if (linkproturi == path) {
1027:): document.server.target = '_self';
1028:): }
1029:): ENDTARG
1030:): }
1031:): $in_frame_js = <<ENDJS;
1032:): <script type="text/javascript">
1033:): // <![CDATA[
1034:): if ((window.self !== window.top) && (document.server.target != '_self')) {
1035:): $set_target
1036:): $sso_onclick
1037:): }
1038:): // ]]>
1039:): </script>
1040:): ENDJS
1041:): }
1042:): } elsif ($samlwindow) {
1043:): $in_frame_js = <<ENDJS;
1044:): <script type="text/javascript">
1045:): // <![CDATA[
1046:): if ((window.self !== window.top) && (document.server.target != '_self')) {
1047:): $sso_onclick
1048:): }
1049:): // ]]>
1050:): </script>
1051:): ENDJS
1052:): }
1.158.2.13 raeburn 1053:
1054: $r->print(<<ENDLOGIN);
1055: <div style="display:$stdauthformstyle;" id="LC_standard_login">
1.137 bisitz 1056: <div class="LC_Box" style="background:$loginbox_bg;">
1.112 muellerd 1057: $logintitle
1.137 bisitz 1058: $loginform
1059: $noscript_warning
1.108 tempelho 1060: </div>
1.107 tempelho 1061:
1.137 bisitz 1062: <div class="LC_Box" style="padding-top: 10px;">
1.132 bisitz 1063: $loginhelp
1064: $forgotpw
1065: $contactblock
1066: $newuserlink
1.130 bisitz 1067: $coursecatalog
1.107 tempelho 1068: </div>
1.118 tempelho 1069: </div>
1.137 bisitz 1070:
1.158.2.13 raeburn 1071: ENDLOGIN
1072: $r->print('</div><div>'."\n");
1.118 tempelho 1073: if ($showmainlogo) {
1.158.2.13.2. (raeburn 1074:): my $alttext = &Apache::loncommon::designparm('login.alttext_logo',$domain);
1075:): $r->print(' <img src="'.$logo.'" alt="'.$alttext.'" class="LC_maxwidth" id="lcloginmainlogo" />'."\n");
1.118 tempelho 1076: }
1077: $r->print(<<ENDTOP);
1078: $announcements
1.137 bisitz 1079: </div>
1080: <hr style="clear:both;" />
1.108 tempelho 1081: ENDTOP
1.147 raeburn 1082: my ($domainrow,$serverrow,$loadrow,$userloadrow,$versionrow);
1083: $domainrow = <<"END";
1.14 albertel 1084: <tr>
1.110 muellerd 1085: <td align="left" valign="top">
1.132 bisitz 1086: <small><b>$lt{'dom'}: </b></small>
1.14 albertel 1087: </td>
1.110 muellerd 1088: <td align="left" valign="top">
1.14 albertel 1089: <small><tt> $domain</tt></small>
1090: </td>
1091: </tr>
1.147 raeburn 1092: END
1093: $serverrow = <<"END";
1.14 albertel 1094: <tr>
1.110 muellerd 1095: <td align="left" valign="top">
1.132 bisitz 1096: <small><b>$lt{'serv'}: </b></small>
1.14 albertel 1097: </td>
1.110 muellerd 1098: <td align="left" valign="top">
1.14 albertel 1099: <small><tt> $lonhost ($role)</tt></small>
1100: </td>
1101: </tr>
1.147 raeburn 1102: END
1103: if ($loadlim) {
1104: $loadrow = <<"END";
1.14 albertel 1105: <tr>
1.110 muellerd 1106: <td align="left" valign="top">
1.132 bisitz 1107: <small><b>$lt{'load'}: </b></small>
1.14 albertel 1108: </td>
1.110 muellerd 1109: <td align="left" valign="top">
1.51 www 1110: <small><tt> $loadpercent $lt{'perc'}</tt></small>
1.42 albertel 1111: </td>
1112: </tr>
1.147 raeburn 1113: END
1114: }
1115: if ($uloadlim) {
1116: $userloadrow = <<"END";
1.42 albertel 1117: <tr>
1.110 muellerd 1118: <td align="left" valign="top">
1.132 bisitz 1119: <small><b>$lt{'userload'}: </b></small>
1.42 albertel 1120: </td>
1.110 muellerd 1121: <td align="left" valign="top">
1.51 www 1122: <small><tt> $userloadpercent $lt{'perc'}</tt></small>
1.14 albertel 1123: </td>
1124: </tr>
1.147 raeburn 1125: END
1126: }
1127: if (($version ne '') && ($version ne '<!-- VERSION -->')) {
1128: $versionrow = <<"END";
1.132 bisitz 1129: <tr>
1130: <td colspan="2" align="left">
1131: <small>$version</small>
1132: </td>
1133: </tr>
1.147 raeburn 1134: END
1135: }
1136:
1.151 raeburn 1137: $r->print(<<ENDDOCUMENT);
1.147 raeburn 1138: <div style="float: left;">
1139: <table border="0" cellspacing="0" cellpadding="0">
1140: $domainrow
1141: $serverrow
1142: $loadrow
1143: $userloadrow
1144: $versionrow
1.14 albertel 1145: </table>
1.141 raeburn 1146: </div>
1147: <div style="float: right;">
1148: $domainlogo
1149: </div>
1150: <br style="clear:both;" />
1.107 tempelho 1151: </div>
1.25 bowersj2 1152:
1.158.2.13.2. (raeburn 1153:): $in_frame_js
1.59 albertel 1154: <script type="text/javascript">
1.122 bisitz 1155: // <![CDATA[
1.59 albertel 1156: // the if prevents the script error if the browser can not handle this
1.25 bowersj2 1157: if ( document.client.uname ) { document.client.uname.focus(); }
1.122 bisitz 1158: // ]]>
1.25 bowersj2 1159: </script>
1.62 raeburn 1160: $helpdeskscript
1.14 albertel 1161:
1.1 albertel 1162: ENDDOCUMENT
1.98 raeburn 1163: my %endargs = ( 'noredirectlink' => 1, );
1164: $r->print(&Apache::loncommon::end_page(\%endargs));
1.1 albertel 1165: return OK;
1.60 raeburn 1166: }
1167:
1.133 raeburn 1168: sub check_loginvia {
1.158.2.8 raeburn 1169: my ($domain,$lonhost,$lonidsdir,$balcookie) = @_;
1170: if ($domain eq '' || $lonhost eq '' || $lonidsdir eq '') {
1.133 raeburn 1171: return;
1172: }
1173: my %domconfhash = &Apache::loncommon::get_domainconf($domain);
1174: my $loginvia = $domconfhash{$domain.'.login.loginvia_'.$lonhost};
1175: my $loginvia_exempt = $domconfhash{$domain.'.login.loginvia_exempt_'.$lonhost};
1176: my $output;
1177: if ($loginvia ne '') {
1178: my $noredirect;
1.158.2.12 raeburn 1179: my $ip = &Apache::lonnet::get_requestor_ip();
1.133 raeburn 1180: if ($ip eq '127.0.0.1') {
1181: $noredirect = 1;
1182: } else {
1183: if ($loginvia_exempt ne '') {
1184: my @exempt = split(',',$loginvia_exempt);
1185: if (grep(/^\Q$ip\E$/,@exempt)) {
1186: $noredirect = 1;
1187: }
1188: }
1189: }
1190: unless ($noredirect) {
1191: my ($newhost,$path);
1192: if ($loginvia =~ /:/) {
1193: ($newhost,$path) = split(':',$loginvia);
1194: } else {
1195: $newhost = $loginvia;
1196: }
1197: if ($newhost ne $lonhost) {
1198: if (&Apache::lonnet::hostname($newhost) ne '') {
1.158.2.8 raeburn 1199: if ($balcookie) {
1200: my ($balancer,$cookie) = split(/:/,$balcookie);
1201: if ($cookie =~ /^($match_domain)_($match_username)_([a-f0-9]+)$/) {
1202: my ($udom,$uname,$cookieid) = ($1,$2,$3);
1203: unless (&Apache::lonnet::delbalcookie($cookie,$balancer) eq 'ok') {
1204: if ((-d $lonidsdir) && (opendir(my $dh,$lonidsdir))) {
1205: while (my $filename=readdir($dh)) {
1206: if ($filename=~/^(\Q$uname\E_\d+_\Q$udom\E_$match_lonid)\.id$/) {
1207: my $handle = $1;
1208: my %hash =
1209: &Apache::lonnet::get_sessionfile_vars($handle,$lonidsdir,
1210: ['request.balancercookie',
1211: 'user.linkedenv']);
1212: if ($hash{'request.balancercookie'} eq "$balancer:$cookieid") {
1213: if (unlink("$lonidsdir/$filename")) {
1214: if (($hash{'user.linkedenv'} =~ /^[a-f0-9]+_linked$/) &&
1215: (-l "$lonidsdir/$hash{'user.linkedenv'}.id") &&
1216: (readlink("$lonidsdir/$hash{'user.linkedenv'}.id") eq "$lonidsdir/$filename")) {
1217: unlink("$lonidsdir/$hash{'user.linkedenv'}.id");
1218: }
1219: }
1220: }
1221: last;
1222: }
1223: }
1224: closedir($dh);
1225: }
1226: }
1227: }
1228: }
1.133 raeburn 1229: $output = &redirect_page($newhost,$path);
1230: }
1231: }
1232: }
1233: }
1234: return $output;
1235: }
1236:
1.126 raeburn 1237: sub redirect_page {
1.133 raeburn 1238: my ($desthost,$path) = @_;
1.158.2.8 raeburn 1239: my $hostname = &Apache::lonnet::hostname($desthost);
1.126 raeburn 1240: my $protocol = $Apache::lonnet::protocol{$desthost};
1241: $protocol = 'http' if ($protocol ne 'https');
1.133 raeburn 1242: unless ($path =~ m{^/}) {
1243: $path = '/'.$path;
1244: }
1.158.2.8 raeburn 1245: my $url = $protocol.'://'.$hostname.$path;
1.158.2.13.2. (raeburn 1246:): my $args = {};
1247:): if ($env{'form.firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
1248:): $url = $protocol.'://'.$hostname.$env{'form.firsturl'};
1249:): if (($env{'form.ltoken'}) || ($env{'form.linkprot'} ne '') ||
1250:): ($env{'form.linkkey'} ne '')) {
1251:): my %link_info;
1252:): if ($env{'form.ltoken'}) {
1253:): %link_info = &Apache::lonnet::tmpget($env{'form.ltoken'});
1254:): &Apache::lonnet::tmpdel($env{'form.ltoken'});
1255:): $args->{'only_body'} = 1;
1256:): } elsif ($env{'form.linkprot'}) {
1257:): $link_info{'linkprot'} = $env{'form.linkprot'};
1258:): foreach my $item ('linkprotuser','linkprotexit') {
1259:): if ($env{'form.'.$item}) {
1260:): $link_info{$item} = $env{'form.'.$item};
1261:): }
1262:): }
1263:): $args->{'only_body'} = 1;
1264:): } elsif ($env{'form.linkkey'} ne '') {
1265:): $link_info{'linkkey'} = $env{'form.linkkey'};
1266:): }
1267:): my $token = &Apache::lonnet::tmpput(\%link_info,$desthost,'link');
1268:): unless (($token eq 'con_lost') || ($token eq 'refused') ||
1269:): ($token eq 'unknown_cmd') || ($token eq 'no_such_host')) {
1270:): $url .= '?ltoken='.$token;
1271:): }
1272:): }
1273:): } else {
1.158.2.13 raeburn 1274: my $querystring;
1.158.2.13.2. (raeburn 1275:): if ($env{'form.firsturl'} ne '') {
1276:): if ($env{'form.firsturl'} =~ /[^\x00-\xFF]/) {
1277:): $querystring = &uri_escape_utf8($env{'form.firsturl'});
1278:): } else {
1279:): $querystring = &uri_escape($env{'form.firsturl'});
1280:): }
1281:): $querystring = &HTML::Entities::encode($querystring,"'");
1282:): $querystring = '?firsturl='.$querystring;
1.158.2.13 raeburn 1283: }
1.158.2.13.2. (raeburn 1284:): if ($env{'form.ltoken'}) {
1285:): my %link_info = &Apache::lonnet::tmpget($env{'form.ltoken'});
1286:): &Apache::lonnet::tmpdel($env{'form.ltoken'});
1287:): my $token = &Apache::lonnet::tmpput(\%link_info,$desthost,'link');
1288:): unless (($token eq 'con_lost') || ($token eq 'refused') || ($token =~ /^error:/) ||
1289:): ($token eq 'unknown_cmd') || ($token eq 'no_such_host')) {
1290:): unless (($path eq '/adm/roles') || ($path eq '/adm/login')) {
1291:): $url = $protocol.'://'.$hostname.'/adm/roles';
1292:): }
1293:): $querystring .= (($querystring =~/^\?/)?'&':'?') . 'ttoken='.$token;
1294:): }
1295:): }
1296:): $url .= $querystring;
1297:): }
1298:): $args->{'redirect'} = [0,$url];
1299:): my $start_page = &Apache::loncommon::start_page('Switching Server ...',undef,$args);
1.126 raeburn 1300: my $end_page = &Apache::loncommon::end_page();
1301: return $start_page.$end_page;
1302: }
1303:
1.60 raeburn 1304: sub contactdisplay {
1.153 raeburn 1305: my ($lt,$servadm,$showadminmail,$authdomain,$helpdeskscript,$showhelpdesk,
1306: $possdoms) = @_;
1.60 raeburn 1307: my $contactblock;
1.153 raeburn 1308: my $origmail;
1309: if (ref($possdoms) eq 'ARRAY') {
1310: if (grep(/^\Q$authdomain\E$/,@{$possdoms})) {
1311: $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
1312: }
1313: }
1314: my $requestmail =
1315: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
1316: $authdomain,$origmail);
1.154 raeburn 1317: unless ($showhelpdesk eq '0') {
1318: if ($requestmail =~ m/[^\@]+\@[^\@]+/) {
1319: $showhelpdesk = 1;
1320: } else {
1.153 raeburn 1321: $showhelpdesk = 0;
1322: }
1.62 raeburn 1323: }
1.90 raeburn 1324: if ($servadm && $showadminmail) {
1.130 bisitz 1325: $contactblock .= $$lt{'servadm'}.':<br />'.
1326: '<tt>'.$servadm.'</tt><br />';
1.90 raeburn 1327: }
1.60 raeburn 1328: if ($showhelpdesk) {
1.114 tempelho 1329: $contactblock .= '<a href="javascript:helpdesk()">'.$lt->{'helpdesk'}.'</a><br />';
1.75 www 1330: my $thisurl = &escape('/adm/login');
1.62 raeburn 1331: $$helpdeskscript = <<"ENDSCRIPT";
1332: <script type="text/javascript">
1.122 bisitz 1333: // <![CDATA[
1.62 raeburn 1334: function helpdesk() {
1.155 raeburn 1335: var possdom = document.client.udom.value;
1336: var codedom = possdom.replace( new RegExp("[^A-Za-z0-9.\\-]","g"),'');
1.62 raeburn 1337: if (codedom == '') {
1338: codedom = "$authdomain";
1339: }
1340: var querystr = "origurl=$thisurl&codedom="+codedom;
1341: document.location.href = "/adm/helpdesk?"+querystr;
1342: return;
1343: }
1.122 bisitz 1344: // ]]>
1.62 raeburn 1345: </script>
1346: ENDSCRIPT
1.60 raeburn 1347: }
1348: return $contactblock;
1349: }
1.83 raeburn 1350:
1351: sub forgotpwdisplay {
1.84 raeburn 1352: my (%lt) = @_;
1.83 raeburn 1353: my $prompt_for_resetpw = 1;
1354: if ($prompt_for_resetpw) {
1.107 tempelho 1355: return '<a href="/adm/resetpw">'.$lt{'forgotpw'}.'</a>';
1.84 raeburn 1356: }
1357: return;
1358: }
1359:
1.90 raeburn 1360: sub coursecatalog_link {
1361: my ($linkname) = @_;
1362: return <<"END";
1.137 bisitz 1363: <a href="/adm/coursecatalog">$linkname</a>
1.90 raeburn 1364: END
1365: }
1366:
1.101 raeburn 1367: sub newuser_link {
1368: my ($linkname) = @_;
1.130 bisitz 1369: return '<a href="/adm/createaccount">'.$linkname.'</a>';
1.101 raeburn 1370: }
1371:
1.158.2.13 raeburn 1372: sub decode_token {
1373: my ($info) = @_;
1374: my ($firsturl,@rest)=split(/\&/,$info);
1375: my %form;
1376: if ($firsturl ne '') {
1377: $form{'firsturl'} = &unescape($firsturl);
1378: }
1379: foreach my $item (@rest) {
1380: my ($key,$value) = split(/=/,$item);
1381: $form{$key} = &unescape($value);
1382: }
1383: return %form;
1384: }
1385:
1.1 albertel 1386: 1;
1387: __END__
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