Annotation of loncom/auth/lonlogin.pm, revision 1.158.2.13.2.1
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 2021/12/12 11:47:03 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: $ENV{'REDIRECT_QUERY_STRING'}),
1.71 albertel 51: ['interface','username','domain','firsturl','localpath','localres',
1.158.2.13.2. (raeburn 52:): 'token','role','symb','iptoken','btoken','ltoken','ttoken','linkkey',
53:): 'saml','sso','retry']);
1.71 albertel 54:
55: # -- check if they are a migrating user
56: if (defined($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'} = $info{'linkprot'};
71:): } elsif ($info{'linkkey'} ne '') {
72:): $env{'form.linkkey'} = $info{'linkkey'};
73:): }
74:): } elsif (($env{'form.sso'}) || ($env{'form.retry'})) {
1.158.2.13 raeburn 75: my $infotoken;
76: if ($env{'form.sso'}) {
77: $infotoken = $env{'form.sso'};
78: } else {
79: $infotoken = $env{'form.retry'};
80: }
81: my $data = &Apache::lonnet::reply('tmpget:'.$infotoken,$lonhost);
82: unless (($data=~/^error/) || ($data eq 'con_lost') ||
83: ($data eq 'no_such_host')) {
84: my %info = &decode_token($data);
85: foreach my $item (keys(%info)) {
86: $env{'form.'.$item} = $info{$item};
87: }
88: &Apache::lonnet::tmpdel($infotoken);
89: }
90: } else {
91: if (!defined($env{'form.firsturl'})) {
92: &Apache::lonacc::get_posted_cgi($r,['firsturl']);
93: }
1.158.2.13.2. (raeburn 94:): if (!defined($env{'form.firsturl'})) {
95:): if ($ENV{'REDIRECT_URL'} =~ m{^/+tiny/+$LONCAPA::match_domain/+\w+$}) {
96:): $env{'form.firsturl'} = $ENV{'REDIRECT_URL'};
97:): }
98:): }
99:): if (($env{'form.firsturl'} =~ m{^/+tiny/+$LONCAPA::match_domain/+\w+$}) &&
100:): (!$env{'form.ltoken'}) && (!$env{'form.linkprot'}) && (!$env{'form.linkkey'})) {
101:): &Apache::lonacc::get_posted_cgi($r,['linkkey']);
102:): }
1.158.2.13 raeburn 103: if ($env{'form.firsturl'} eq '/adm/logout') {
104: delete($env{'form.firsturl'});
105: }
106: }
107:
1.158.2.7 raeburn 108: # For "public user" - remove any exising "public" cookie, as user really wants to log-in
109: my ($handle,$lonidsdir,$expirepub,$userdom);
1.158.2.8 raeburn 110: $lonidsdir=$r->dir_config('lonIDsDir');
1.158.2.7 raeburn 111: unless ($r->header_only) {
112: $handle = &Apache::lonnet::check_for_valid_session($r,'lonID',undef,\$userdom);
113: if ($handle ne '') {
114: if ($handle=~/^publicuser\_/) {
115: unlink($r->dir_config('lonIDsDir')."/$handle.id");
116: undef($handle);
117: undef($userdom);
118: $expirepub = 1;
119: }
120: }
121: }
122:
1.53 www 123: &Apache::loncommon::no_cache($r);
124: &Apache::lonlocal::get_language_handle($r);
1.54 www 125: &Apache::loncommon::content_type($r,'text/html');
1.158.2.7 raeburn 126: if ($expirepub) {
1.158.2.9 raeburn 127: my $c = new CGI::Cookie(-name => 'lonPubID',
1.158.2.7 raeburn 128: -value => '',
129: -expires => '-10y',);
130: $r->header_out('Set-cookie' => $c);
131: } elsif (($handle eq '') && ($userdom ne '')) {
1.158.2.9 raeburn 132: my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
133: foreach my $name (keys(%cookies)) {
134: next unless ($name =~ /^lon(|S|Link|Pub)ID$/);
135: my $c = new CGI::Cookie(-name => $name,
136: -value => '',
137: -expires => '-10y',);
138: $r->headers_out->add('Set-cookie' => $c);
139: }
1.158.2.7 raeburn 140: }
1.1 albertel 141: $r->send_http_header;
142: return OK if $r->header_only;
143:
1.49 www 144:
145: # Are we re-routing?
1.149 raeburn 146: my $londocroot = $r->dir_config('lonDocRoot');
147: if (-e "$londocroot/lon-status/reroute.txt") {
1.49 www 148: &Apache::lonauth::reroute($r);
149: return OK;
150: }
1.55 www 151:
1.158.2.8 raeburn 152: # Check if browser sent a LON-CAPA load balancer cookie (and this is a balancer)
153:
154: my ($found_server,$balancer_cookie) = &Apache::lonnet::check_for_balancer_cookie($r,1);
155: if ($found_server) {
156: my $hostname = &Apache::lonnet::hostname($found_server);
157: if ($hostname ne '') {
158: my $protocol = $Apache::lonnet::protocol{$found_server};
159: $protocol = 'http' if ($protocol ne 'https');
160: my $dest = '/adm/roles';
161: if ($env{'form.firsturl'} ne '') {
1.158.2.13 raeburn 162: $dest = &HTML::Entities::encode($env{'form.firsturl'},'\'"<>&');
1.158.2.8 raeburn 163: }
164: my %info = (
165: balcookie => $lonhost.':'.$balancer_cookie,
166: );
1.158.2.13 raeburn 167: if ($env{'form.role'}) {
168: $info{'role'} = $env{'form.role'};
169: }
170: if ($env{'form.symb'}) {
171: $info{'symb'} = $env{'form.symb'};
172: }
1.158.2.8 raeburn 173: my $balancer_token = &Apache::lonnet::tmpput(\%info,$found_server);
1.158.2.13 raeburn 174: unless (($balancer_token eq 'con_lost') || ($balancer_token eq 'refused') ||
175: ($balancer_token eq 'unknown_cmd') || ($balancer_token eq 'no_such_host')) {
176: $dest .= (($dest=~/\?/)?'&':'?') . 'btoken='.$balancer_token;
177: }
1.158.2.13.2. (raeburn 178:): if ($env{'form.firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
179:): my %link_info;
180:): if ($env{'form.ltoken'}) {
181:): $link_info{'ltoken'} = $env{'form.ltoken'};
182:): } elsif ($env{'form.linkprot'}) {
183:): $link_info{'linkprot'} = $env{'form.linkprot'};
184:): } elsif ($env{'form.linkkey'} ne '') {
185:): $link_info{'linkkey'} = $env{'form.linkkey'};
186:): }
187:): if (keys(%link_info)) {
188:): $link_info{'origurl'} = $env{'form.firsturl'};
189:): my $token = &Apache::lonnet::tmpput(\%link_info,$found_server,'link');
190:): unless (($token eq 'con_lost') || ($token eq 'refused') ||
191:): ($token eq 'unknown_cmd') || ($token eq 'no_such_host')) {
192:): $dest .= (($dest=~/\?/)?'&':'?') . 'ttoken='.$token;
193:): }
194:): }
195:): }
1.158.2.13 raeburn 196: unless ($found_server eq $lonhost) {
197: my $alias = &Apache::lonnet::use_proxy_alias($r,$found_server);
198: $hostname = $alias if ($alias ne '');
1.158.2.8 raeburn 199: }
200: my $url = $protocol.'://'.$hostname.$dest;
201: my $start_page =
202: &Apache::loncommon::start_page('Switching Server ...',undef,
203: {'redirect' => [0,$url],});
204: my $end_page = &Apache::loncommon::end_page();
205: $r->print($start_page.$end_page);
206: return OK;
207: }
208: }
209:
210: #
211: # Check if a LON-CAPA load balancer sent user here because user's browser sent
212: # it a balancer cookie for an active session on this server.
213: #
214:
215: my $balcookie;
216: if ($env{'form.btoken'}) {
217: my %info = &Apache::lonnet::tmpget($env{'form.btoken'});
218: $balcookie = $info{'balcookie'};
219: &Apache::lonnet::tmpdel($env{'form.btoken'});
220: delete($env{'form.btoken'});
221: }
222:
1.158.2.7 raeburn 223: #
224: # If browser sent an old cookie for which the session file had been removed
225: # check if configuration for user's domain has a portal URL set. If so
226: # switch user's log-in to the portal.
227: #
228:
229: if (($handle eq '') && ($userdom ne '')) {
230: my %domdefaults = &Apache::lonnet::get_domain_defaults($userdom);
231: if ($domdefaults{'portal_def'} =~ /^https?\:/) {
232: my $start_page = &Apache::loncommon::start_page('Switching Server ...',undef,
233: {'redirect' => [0,$domdefaults{'portal_def'}],});
234: my $end_page = &Apache::loncommon::end_page();
235: $r->print($start_page.$end_page);
236: return OK;
237: }
238: }
239:
1.55 www 240: # -------------------------------- Prevent users from attempting to login twice
1.135 raeburn 241: if ($handle ne '') {
1.158.2.7 raeburn 242: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
243: my $start_page =
244: &Apache::loncommon::start_page('Already logged in');
245: my $end_page =
246: &Apache::loncommon::end_page();
247: my $dest = '/adm/roles';
248: if ($env{'form.firsturl'} ne '') {
1.158.2.13 raeburn 249: $dest = &HTML::Entities::encode($env{'form.firsturl'},'\'"<>&');
1.158.2.7 raeburn 250: }
1.158.2.13.2. (raeburn 251:): if (($env{'form.ltoken'}) || ($env{'form.linkprot'})) {
252:): my $linkprot;
253:): if ($env{'form.ltoken'}) {
254:): my %info = &Apache::lonnet::tmpget($env{'form.ltoken'});
255:): $linkprot = $info{'linkprot'};
256:): my $delete = &Apache::lonnet::tmpdel($env{'form.ltoken'});
257:): } else {
258:): $linkprot = $env{'form.linkprot'};
259:): }
260:): if ($linkprot) {
261:): my ($linkprotector,$deeplink) = split(/:/,$linkprot,2);
262:): if ($env{'user.linkprotector'}) {
263:): my @protectors = split(/,/,$env{'user.linkprotector'});
264:): unless (grep(/^\Q$linkprotector\E$/,@protectors)) {
265:): push(@protectors,$linkprotector);
266:): @protectors = sort { $a <=> $b } @protectors;
267:): &Apache::lonnet::appenv({'user.linkprotector' => join(',',@protectors)});
268:): }
269:): } else {
270:): &Apache::lonnet::appenv({'user.linkprotector' => $linkprotector });
271:): }
272:): if ($env{'user.linkproturi'}) {
273:): my @proturis = split(/,/,$env{'user.linkproturi'});
274:): unless (grep(/^\Q$deeplink\E$/,@proturis)) {
275:): push(@proturis,$deeplink);
276:): @proturis = sort @proturis;
277:): &Apache::lonnet::appenv({'user.linkproturi' => join(',',@proturis)});
278:): }
279:): } else {
280:): &Apache::lonnet::appenv({'user.linkproturi' => $deeplink});
281:): }
282:): }
283:): } elsif ($env{'form.linkkey'} ne '') {
284:): if ($env{'form.firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
285:): my $linkkey = $env{'form.linkkey'};
286:): if ($env{'user.deeplinkkey'}) {
287:): my @linkkeys = split(/,/,$env{'user.deeplinkkey'});
288:): unless (grep(/^\Q$linkkey\E$/,@linkkeys)) {
289:): push(@linkkeys,$linkkey);
290:): &Apache::lonnet::appenv({'user.deeplinkkey' => join(',',sort(@linkkeys))});
291:): }
292:): } else {
293:): &Apache::lonnet::appenv({'user.deeplinkkey' => $linkkey});
294:): }
295:): my $deeplink = $env{'form.firsturl'};
296:): if ($env{'user.keyedlinkuri'}) {
297:): my @keyeduris = split(/,/,$env{'user.keyedlinkuri'});
298:): unless (grep(/^\Q$deeplink\E$/,@keyeduris)) {
299:): push(@keyeduris,$deeplink);
300:): &Apache::lonnet::appenv({'user.keyedlinkuri' => join(',',sort(@keyeduris))});
301:): }
302:): } else {
303:): &Apache::lonnet::appenv({'user.keyedlinkuri' => $deeplink});
304:): }
305:): }
306:): }
1.158.2.7 raeburn 307: $r->print(
308: $start_page
309: .'<p class="LC_warning">'.&mt('You are already logged in!').'</p>'
310: .'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].',
311: '<a href="'.$dest.'">','</a>','<a href="/adm/logout">','</a>').'</p>'
312: .$end_page
313: );
314: return OK;
1.55 www 315: }
316:
317: # ---------------------------------------------------- No valid token, continue
1.16 www 318:
1.157 raeburn 319: # ---------------------------- Not possible to really login to domain "public"
1.70 www 320: if ($env{'form.domain'} eq 'public') {
321: $env{'form.domain'}='';
322: $env{'form.username'}='';
323: }
1.157 raeburn 324:
325: # ------ Is this page requested because /adm/migrateuser detected an IP change?
326: my %sessiondata;
327: if ($env{'form.iptoken'}) {
328: %sessiondata = &Apache::lonnet::tmpget($env{'form.iptoken'});
1.158.2.2 raeburn 329: unless ($sessiondata{'sessionserver'}) {
330: my $delete = &Apache::lonnet::tmpdel($env{'form.iptoken'});
331: delete($env{'form.iptoken'});
332: }
1.157 raeburn 333: }
1.32 www 334: # ----------------------------------------------------------- Process Interface
1.63 albertel 335: $env{'form.interface'}=~s/\W//g;
1.16 www 336:
1.156 raeburn 337: (undef,undef,undef,undef,undef,undef,my $clientmobile) =
1.158.2.13 raeburn 338: &Apache::loncommon::decode_user_agent($r);
1.94 albertel 339:
340: my $iconpath=
341: &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
342:
1.87 raeburn 343: my $domain = &Apache::lonnet::default_login_domain();
1.158.2.3 raeburn 344: my $defdom = $domain;
1.126 raeburn 345: if ($lonhost ne '') {
1.157 raeburn 346: unless ($sessiondata{'sessionserver'}) {
1.158.2.8 raeburn 347: my $redirect = &check_loginvia($domain,$lonhost,$lonidsdir,$balcookie);
1.157 raeburn 348: if ($redirect) {
349: $r->print($redirect);
350: return OK;
351: }
352: }
1.126 raeburn 353: }
354:
1.157 raeburn 355: if (($sessiondata{'domain'}) &&
1.158.2.8 raeburn 356: (&Apache::lonnet::domain($sessiondata{'domain'},'description'))) {
1.157 raeburn 357: $domain=$sessiondata{'domain'};
358: } elsif (($env{'form.domain'}) &&
1.89 albertel 359: (&Apache::lonnet::domain($env{'form.domain'},'description'))) {
1.63 albertel 360: $domain=$env{'form.domain'};
1.46 www 361: }
1.157 raeburn 362:
1.1 albertel 363: my $role = $r->dir_config('lonRole');
364: my $loadlim = $r->dir_config('lonLoadLim');
1.145 www 365: my $uloadlim= $r->dir_config('lonUserLoadLim');
1.90 raeburn 366: my $servadm = $r->dir_config('lonAdmEMail');
1.1 albertel 367: my $tabdir = $r->dir_config('lonTabDir');
1.6 www 368: my $include = $r->dir_config('lonIncludes');
1.37 www 369: my $expire = $r->dir_config('lonExpire');
1.44 www 370: my $version = $r->dir_config('lonVersion');
1.88 albertel 371: my $host_name = &Apache::lonnet::hostname($lonhost);
1.1 albertel 372:
1.30 www 373: # --------------------------------------------- Default values for login fields
1.157 raeburn 374:
375: my ($authusername,$authdomain);
376: if ($sessiondata{'username'}) {
377: $authusername=$sessiondata{'username'};
378: } else {
1.158 raeburn 379: $env{'form.username'} = &Apache::loncommon::cleanup_html($env{'form.username'});
1.157 raeburn 380: $authusername=($env{'form.username'}?$env{'form.username'}:'');
381: }
382: if ($sessiondata{'domain'}) {
383: $authdomain=$sessiondata{'domain'};
1.158 raeburn 384: } else {
385: $env{'form.domain'} = &Apache::loncommon::cleanup_html($env{'form.domain'});
1.157 raeburn 386: $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain);
387: }
1.30 www 388:
389: # ---------------------------------------------------------- Determine own load
1.1 albertel 390: my $loadavg;
1.41 albertel 391: {
392: my $loadfile=Apache::File->new('/proc/loadavg');
393: $loadavg=<$loadfile>;
394: }
1.1 albertel 395: $loadavg =~ s/\s.*//g;
1.147 raeburn 396:
397: my ($loadpercent,$userloadpercent);
398: if ($loadlim) {
399: $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
400: }
401: if ($uloadlim) {
402: $userloadpercent=&Apache::lonnet::userload();
403: }
1.1 albertel 404:
1.31 www 405: my $firsturl=
1.63 albertel 406: ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'});
1.141 raeburn 407:
1.45 www 408: # ----------------------------------------------------------- Get announcements
409: my $announcements=&Apache::lonnet::getannounce();
1.6 www 410: # -------------------------------------------------------- Set login parameters
411:
412: my @hexstr=('0','1','2','3','4','5','6','7',
413: '8','9','a','b','c','d','e','f');
414: my $lkey='';
415: for (0..7) {
416: $lkey.=$hexstr[rand(15)];
417: }
418:
419: my $ukey='';
420: for (0..7) {
421: $ukey.=$hexstr[rand(15)];
422: }
423:
424: my $lextkey=hex($lkey);
1.15 www 425: if ($lextkey>2147483647) { $lextkey-=4294967296; }
426:
1.6 www 427: my $uextkey=hex($ukey);
1.15 www 428: if ($uextkey>2147483647) { $uextkey-=4294967296; }
429:
1.31 www 430: # -------------------------------------------------------- Store away log token
1.158.2.13.2. (raeburn 431:): my ($tokenextras,$tokentype);
432:): my @names = ('role','symb','iptoken','ltoken','linkprot','linkkey');
1.158.2.13 raeburn 433: foreach my $name (@names) {
434: if ($env{'form.'.$name} ne '') {
1.158.2.13.2. (raeburn 435:): if ($name eq 'ltoken') {
436:): my %info = &Apache::lonnet::tmpget($env{'form.'.$name});
437:): if ($info{'linkprot'}) {
438:): $tokenextras .= '&linkprot='.&escape($info{'linkprot'});
439:): $tokentype = 'link';
440:): last;
441:): }
442:): } else {
443:): $tokenextras .= '&'.$name.'='.&escape($env{'form.'.$name});
444:): if (($name eq 'linkkey') || ($name eq 'linkprot')) {
445:): $tokentype = 'link';
446:): }
447:): }
1.158.2.2 raeburn 448: }
449: }
1.158.2.13.2. (raeburn 450:): if ($tokentype) {
451:): $tokenextras .= ":$tokentype";
452:): }
1.6 www 453: my $logtoken=Apache::lonnet::reply(
1.158.2.13 raeburn 454: 'tmpput:'.$ukey.$lkey.'&'.&escape($firsturl).$tokenextras,
1.6 www 455: $lonhost);
1.31 www 456:
1.148 raeburn 457: # -- If we cannot talk to ourselves, or hostID does not map to a hostname
458: # we are in serious trouble
1.31 www 459:
1.148 raeburn 460: if (($logtoken eq 'con_lost') || ($logtoken eq 'no_such_host')) {
461: if ($logtoken eq 'no_such_host') {
462: &Apache::lonnet::logthis('No valid logtoken for log-in page -- unable to determine hostname for hostID: '.$lonhost.'. Check entry in hosts.tab');
463: }
1.158.2.13.2. (raeburn 464:): if ($env{'form.ltoken'}) {
465:): &Apache::lonnet::tmpdel($env{'form.ltoken'});
466:): delete($env{'form.ltoken'});
467:): }
1.31 www 468: my $spares='';
1.158.2.10 raeburn 469: my (@sparehosts,%spareservers);
470: my $sparesref = &Apache::lonnet::this_host_spares($defdom);
471: if (ref($sparesref) eq 'HASH') {
472: foreach my $key (keys(%{$sparesref})) {
473: if (ref($sparesref->{$key}) eq 'ARRAY') {
474: my @sorted = sort { &Apache::lonnet::hostname($a) cmp
475: &Apache::lonnet::hostname($b);
476: } @{$sparesref->{$key}};
477: if (@sorted) {
478: if ($key eq 'primary') {
479: unshift(@sparehosts,@sorted);
480: } elsif ($key eq 'default') {
481: push(@sparehosts,@sorted);
482: }
483: }
484: }
485: }
486: }
487: foreach my $hostid (@sparehosts) {
1.58 matthew 488: next if ($hostid eq $lonhost);
1.88 albertel 489: my $hostname = &Apache::lonnet::hostname($hostid);
1.158.2.10 raeburn 490: next if (($hostname eq '') || ($spareservers{$hostname}));
491: $spareservers{$hostname} = 1;
492: my $protocol = $Apache::lonnet::protocol{$hostid};
493: $protocol = 'http' if ($protocol ne 'https');
494: $spares.='<br /><span style="font-size: larger;"><a href="'.$protocol.'://'.
1.88 albertel 495: $hostname.
1.58 matthew 496: '/adm/login?domain='.$authdomain.'">'.
1.88 albertel 497: $hostname.'</a>'.
1.158.2.10 raeburn 498: ' '.&mt('(preferred)').'</span>'.$/;
1.58 matthew 499: }
1.148 raeburn 500: if ($spares) {
501: $spares.= '<br />';
502: }
1.151 raeburn 503: my %all_hostnames = &Apache::lonnet::all_hostnames();
504: foreach my $hostid (sort
1.107 tempelho 505: {
506: &Apache::lonnet::hostname($a) cmp
507: &Apache::lonnet::hostname($b);
508: }
509: keys(%all_hostnames)) {
1.158.2.10 raeburn 510: next if ($hostid eq $lonhost);
1.151 raeburn 511: my $hostname = &Apache::lonnet::hostname($hostid);
1.158.2.10 raeburn 512: next if (($hostname eq '') || ($spareservers{$hostname}));
1.158.2.11 raeburn 513: $spareservers{$hostname} = 1;
1.158.2.10 raeburn 514: my $protocol = $Apache::lonnet::protocol{$hostid};
515: $protocol = 'http' if ($protocol ne 'https');
516: $spares.='<br /><a href="'.$protocol.'://'.
1.151 raeburn 517: $hostname.
518: '/adm/login?domain='.$authdomain.'">'.
519: $hostname.'</a>';
520: }
521: $r->print(
1.158.2.10 raeburn 522: '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">'
523: .'<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">'
524: .'<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>'
1.107 tempelho 525: .&mt('The LearningOnline Network with CAPA')
526: .'</title></head>'
527: .'<body bgcolor="#FFFFFF">'
528: .'<h1>'.&mt('The LearningOnline Network with CAPA').'</h1>'
1.158.2.10 raeburn 529: .'<img src="/adm/lonKaputt/lonlogo_broken.gif" alt="broken icon" align="right" />'
1.148 raeburn 530: .'<h3>'.&mt('This LON-CAPA server is temporarily not available for login.').'</h3>');
1.151 raeburn 531: if ($spares) {
532: $r->print('<p>'.&mt('Please attempt to login to one of the following servers:')
533: .'</p>'
534: .$spares);
535: }
536: $r->print('</body>'
537: .'</html>'
538: );
539: return OK;
540: }
1.31 www 541:
542: # ----------------------------------------------- Apparently we are in business
1.151 raeburn 543: $servadm=~s/\,/\<br \/\>/g;
1.38 www 544:
1.21 www 545: # ----------------------------------------------------------- Front page design
1.151 raeburn 546: my $pgbg=&Apache::loncommon::designparm('login.pgbg',$domain);
547: my $font=&Apache::loncommon::designparm('login.font',$domain);
548: my $link=&Apache::loncommon::designparm('login.link',$domain);
549: my $vlink=&Apache::loncommon::designparm('login.vlink',$domain);
550: my $alink=&Apache::loncommon::designparm('login.alink',$domain);
551: my $mainbg=&Apache::loncommon::designparm('login.mainbg',$domain);
552: my $loginbox_bg=&Apache::loncommon::designparm('login.sidebg',$domain);
553: my $loginbox_header_bgcol=&Apache::loncommon::designparm('login.bgcol',$domain);
554: my $loginbox_header_textcol=&Apache::loncommon::designparm('login.textcol',$domain);
555: my $logo=&Apache::loncommon::designparm('login.logo',$domain);
556: my $img=&Apache::loncommon::designparm('login.img',$domain);
557: my $domainlogo=&Apache::loncommon::domainlogo($domain);
558: my $showbanner = 1;
559: my $showmainlogo = 1;
560: if (defined(&Apache::loncommon::designparm('login.showlogo_img',$domain))) {
561: $showbanner = &Apache::loncommon::designparm('login.showlogo_img',$domain);
562: }
563: if (defined(&Apache::loncommon::designparm('login.showlogo_logo',$domain))) {
564: $showmainlogo = &Apache::loncommon::designparm('login.showlogo_logo',$domain);
565: }
1.153 raeburn 566: my $showadminmail;
567: my @possdoms = &Apache::lonnet::current_machine_domains();
568: if (grep(/^\Q$domain\E$/,@possdoms)) {
569: $showadminmail=&Apache::loncommon::designparm('login.adminmail',$domain);
570: }
1.151 raeburn 571: my $showcoursecat =
572: &Apache::loncommon::designparm('login.coursecatalog',$domain);
573: my $shownewuserlink =
574: &Apache::loncommon::designparm('login.newuser',$domain);
1.153 raeburn 575: my $showhelpdesk =
576: &Apache::loncommon::designparm('login.helpdesk',$domain);
1.151 raeburn 577: my $now=time;
578: my $js = (<<ENDSCRIPT);
1.107 tempelho 579:
1.116 bisitz 580: <script type="text/javascript" language="JavaScript">
1.122 bisitz 581: // <![CDATA[
1.107 tempelho 582: function send()
583: {
584: this.document.server.elements.uname.value
585: =this.document.client.elements.uname.value;
586:
587: this.document.server.elements.udom.value
588: =this.document.client.elements.udom.value;
589:
590: uextkey=this.document.client.elements.uextkey.value;
591: lextkey=this.document.client.elements.lextkey.value;
592: initkeys();
593:
594: this.document.server.elements.upass0.value
1.158.2.5 raeburn 595: =getCrypted(this.document.client.elements.upass$now.value);
1.6 www 596:
1.107 tempelho 597: this.document.client.elements.uname.value='';
598: this.document.client.elements.upass$now.value='';
1.6 www 599:
1.107 tempelho 600: this.document.server.submit();
601: return false;
602: }
1.139 raeburn 603:
604: function enableInput() {
1.144 bisitz 605: this.document.client.elements.upass$now.removeAttribute("readOnly");
606: this.document.client.elements.uname.removeAttribute("readOnly");
607: this.document.client.elements.udom.removeAttribute("readOnly");
1.139 raeburn 608: return;
609: }
610:
1.122 bisitz 611: // ]]>
1.107 tempelho 612: </script>
1.98 raeburn 613:
1.16 www 614: ENDSCRIPT
1.6 www 615:
1.158.2.13 raeburn 616: my ($lonhost_in_use,@hosts,%defaultdomconf,$saml_prefix,$saml_landing,
617: $samlssotext,$samlnonsso,$samlssoimg,$samlssoalt,$samlssourl,$samltooltip);
618: %defaultdomconf = &Apache::loncommon::get_domainconf($defdom);
1.158.2.4 raeburn 619: @hosts = &Apache::lonnet::current_machine_ids();
620: $lonhost_in_use = $lonhost;
621: if (@hosts > 1) {
622: foreach my $hostid (@hosts) {
623: if (&Apache::lonnet::host_domain($hostid) eq $defdom) {
624: $lonhost_in_use = $hostid;
625: last;
626: }
627: }
628: }
1.158.2.13 raeburn 629: $saml_prefix = $defdom.'.login.saml_';
630: if ($defaultdomconf{$saml_prefix.$lonhost_in_use}) {
631: $saml_landing = 1;
632: $samlssotext = $defaultdomconf{$saml_prefix.'text_'.$lonhost_in_use};
633: $samlnonsso = $defaultdomconf{$saml_prefix.'notsso_'.$lonhost_in_use};
634: $samlssoimg = $defaultdomconf{$saml_prefix.'img_'.$lonhost_in_use};
635: $samlssoalt = $defaultdomconf{$saml_prefix.'alt_'.$lonhost_in_use};
636: $samlssourl = $defaultdomconf{$saml_prefix.'url_'.$lonhost_in_use};
637: $samltooltip = $defaultdomconf{$saml_prefix.'title_'.$lonhost_in_use};
638: }
639: if ($saml_landing) {
640: if ($samlssotext eq '') {
641: $samlssotext = 'SSO Login';
642: }
643: if ($samlnonsso eq '') {
644: $samlnonsso = 'Non-SSO Login';
645: }
646: $js .= <<"ENDSAMLJS";
647:
648: <script type="text/javascript">
649: // <![CDATA[
650: function toggleLClogin() {
651: if (document.getElementById('LC_standard_login')) {
652: if (document.getElementById('LC_standard_login').style.display == 'none') {
653: document.getElementById('LC_standard_login').style.display = 'inline-block';
654: if (document.getElementById('LC_login_text')) {
655: document.getElementById('LC_login_text').innerHTML = '$samlnonsso';
656: }
657: if (document.getElementById('LC_SSO_login')) {
658: document.getElementById('LC_SSO_login').style.display = 'none';
659: }
660: } else {
661: document.getElementById('LC_standard_login').style.display = 'none';
662: if (document.getElementById('LC_login_text')) {
663: document.getElementById('LC_login_text').innerHTML = '$samlssotext';
664: }
665: if (document.getElementById('LC_SSO_login')) {
666: document.getElementById('LC_SSO_login').style.display = 'inline-block';
667: }
668: }
669: }
670: return;
671: }
672:
673: // ]]>
674: </script>
675:
676: ENDSAMLJS
677: }
678:
679: # --------------------------------------------------- Print login screen header
680:
681: my %add_entries = (
682: bgcolor => "$mainbg",
683: text => "$font",
684: link => "$link",
685: vlink => "$vlink",
686: alink => "$alink",
687: onload => 'javascript:enableInput();',);
688:
689: my ($headextra,$headextra_exempt);
1.158.2.4 raeburn 690: $headextra = $defaultdomconf{$defdom.'.login.headtag_'.$lonhost_in_use};
691: $headextra_exempt = $defaultdomconf{$domain.'.login.headtag_exempt_'.$lonhost_in_use};
1.158.2.1 raeburn 692: if ($headextra) {
693: my $omitextra;
694: if ($headextra_exempt ne '') {
695: my @exempt = split(',',$headextra_exempt);
1.158.2.12 raeburn 696: my $ip = &Apache::lonnet::get_requestor_ip();
1.158.2.1 raeburn 697: if (grep(/^\Q$ip\E$/,@exempt)) {
698: $omitextra = 1;
699: }
700: }
701: unless ($omitextra) {
702: my $confname = $defdom.'-domainconfig';
1.158.2.4 raeburn 703: if ($headextra =~ m{^\Q/res/$defdom/$confname/login/headtag/$lonhost_in_use/\E}) {
1.158.2.1 raeburn 704: my $extra = &Apache::lonnet::getfile(&Apache::lonnet::filelocation("",$headextra));
705: unless ($extra eq '-1') {
706: $js .= "\n".$extra."\n";
707: }
708: }
709: }
710: }
711:
1.151 raeburn 712: $r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',$js,
1.107 tempelho 713: { 'redirect' => [$expire,'/adm/roles'],
714: 'add_entries' => \%add_entries,
715: 'only_body' => 1,}));
1.98 raeburn 716:
717: # ----------------------------------------------------------------------- Texts
718:
1.151 raeburn 719: my %lt=&Apache::lonlocal::texthash(
1.129 bisitz 720: 'un' => 'Username',
721: 'pw' => 'Password',
722: 'dom' => 'Domain',
723: 'perc' => 'percent',
724: 'load' => 'Server Load',
725: 'userload' => 'User Load',
726: 'catalog' => 'Course/Community Catalog',
727: 'log' => 'Log in',
728: 'help' => 'Log-in Help',
729: 'serv' => 'Server',
730: 'servadm' => 'Server Administration',
731: 'helpdesk' => 'Contact Helpdesk',
732: 'forgotpw' => 'Forgot password?',
733: 'newuser' => 'New User?',
1.158.2.13 raeburn 734: 'change' => 'Change?',
1.129 bisitz 735: );
1.98 raeburn 736: # -------------------------------------------------- Change password field name
1.131 jms 737:
1.151 raeburn 738: my $forgotpw = &forgotpwdisplay(%lt);
739: $forgotpw .= '<br />' if $forgotpw;
1.152 raeburn 740: my $loginhelp = &Apache::lonauth::loginhelpdisplay($authdomain);
741: if ($loginhelp) {
742: $loginhelp = '<a href="'.$loginhelp.'">'.$lt{'help'}.'</a><br />';
743: }
1.98 raeburn 744:
745: # ---------------------------------------------------- Serve out DES JavaScript
1.151 raeburn 746: {
747: my $jsh=Apache::File->new($include."/londes.js");
748: $r->print(<$jsh>);
749: }
1.98 raeburn 750: # ---------------------------------------------------------- Serve rest of page
751:
1.151 raeburn 752: $r->print(
1.137 bisitz 753: '<div class="LC_Box"'
754: .' style="margin:0 auto; padding:10px; width:90%; height: auto; background-color:#FFFFFF;">'
755: );
1.6 www 756:
1.151 raeburn 757: $r->print(<<ENDSERVERFORM);
1.140 raeburn 758: <form name="server" action="/adm/authenticate" method="post" target="_top">
1.33 www 759: <input type="hidden" name="logtoken" value="$logtoken" />
760: <input type="hidden" name="serverid" value="$lonhost" />
761: <input type="hidden" name="uname" value="" />
1.65 www 762: <input type="hidden" name="upass0" value="" />
1.33 www 763: <input type="hidden" name="udom" value="" />
1.63 albertel 764: <input type="hidden" name="localpath" value="$env{'form.localpath'}" />
765: <input type="hidden" name="localres" value="$env{'form.localres'}" />
1.14 albertel 766: </form>
1.16 www 767: ENDSERVERFORM
1.151 raeburn 768: my $coursecatalog;
769: if (($showcoursecat eq '') || ($showcoursecat)) {
770: $coursecatalog = &coursecatalog_link($lt{'catalog'}).'<br />';
771: }
772: my $newuserlink;
773: if ($shownewuserlink) {
774: $newuserlink = &newuser_link($lt{'newuser'}).'<br />';
775: }
776: my $logintitle =
777: '<h2 class="LC_hcell"'
778: .' style="background:'.$loginbox_header_bgcol.';'
779: .' color:'.$loginbox_header_textcol.'">'
780: .$lt{'log'}
781: .'</h2>';
782:
783: my $noscript_warning='<noscript><span class="LC_warning"><b>'
784: .&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.')
785: .'</b></span></noscript>';
786: my $helpdeskscript;
787: my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail,
1.153 raeburn 788: $authdomain,\$helpdeskscript,
789: $showhelpdesk,\@possdoms);
1.107 tempelho 790:
1.156 raeburn 791: my $mobileargs;
792: if ($clientmobile) {
793: $mobileargs = 'autocapitalize="off" autocorrect="off"';
794: }
1.151 raeburn 795: my $loginform=(<<LFORM);
1.158.2.13 raeburn 796: <form name="client" action="" onsubmit="return(send())" id="lclogin">
1.115 bisitz 797: <input type="hidden" name="lextkey" value="$lextkey" />
798: <input type="hidden" name="uextkey" value="$uextkey" />
1.108 tempelho 799: <b><label for="uname">$lt{'un'}</label>:</b><br />
1.156 raeburn 800: <input type="text" name="uname" id="uname" size="15" value="$authusername" readonly="readonly" $mobileargs /><br />
1.108 tempelho 801: <b><label for="upass$now">$lt{'pw'}</label>:</b><br />
1.139 raeburn 802: <input type="password" name="upass$now" id="upass$now" size="15" readonly="readonly" /><br />
1.108 tempelho 803: <b><label for="udom">$lt{'dom'}</label>:</b><br />
1.156 raeburn 804: <input type="text" name="udom" id="udom" size="15" value="$authdomain" readonly="readonly" $mobileargs /><br />
1.108 tempelho 805: <input type="submit" value="$lt{'log'}" />
806: </form>
807: LFORM
808:
1.109 raeburn 809: if ($showbanner) {
810: $r->print(<<HEADER);
811: <!-- The LON-CAPA Header -->
1.132 bisitz 812: <div style="background:$pgbg;margin:0;width:100%;">
1.158.2.6 raeburn 813: <img src="$img" border="0" alt="The Learning Online Network with CAPA" class="LC_maxwidth" />
1.132 bisitz 814: </div>
1.109 raeburn 815: HEADER
816: }
1.158.2.13 raeburn 817:
818: my $stdauthformstyle = 'inline-block';
819: my $ssoauthstyle = 'none';
820: my $logintype;
821: $r->print('<div style="float:left;margin-top:0;">');
822: if ($saml_landing) {
823: $ssoauthstyle = 'inline-block';
824: $stdauthformstyle = 'none';
825: $logintype = $samlssotext;
826: my $ssologin = '/adm/sso';
827: if ($samlssourl ne '') {
828: $ssologin = $samlssourl;
829: }
830: if (($logtoken eq 'con_lost') || ($logtoken eq 'no_such_host')) {
831: my $querystring;
832: if ($env{'form.firsturl'} ne '') {
833: $querystring = 'origurl=';
834: if ($env{'form.firsturl'} =~ /[^\x00-\xFF]/) {
835: $querystring .= &uri_escape_utf8($env{'form.firsturl'});
836: } else {
837: $querystring .= &uri_escape($env{'form.firsturl'});
838: }
839: $querystring = &HTML::Entities::encode($querystring,"'");
840: }
1.158.2.13.2. (raeburn 841:): if ($env{'form.ltoken'} ne '') {
842:): $querystring .= (($querystring eq '')?'':'&') . 'ltoken='.
843:): &HTML::Entities::encode(&uri_escape($env{'form.ltoken'}));
844:): } elsif ($env{'form.linkkey'}) {
845:): $querystring .= (($querystring eq '')?'':'&') . 'linkkey='.
846:): &HTML::Entities::encode(&uri_escape($env{'form.linkkey'}));
847:): }
1.158.2.13 raeburn 848: if ($querystring ne '') {
849: $ssologin .= (($ssologin=~/\?/)?'&':'?') . $querystring;
850: }
851: } elsif ($logtoken ne '') {
852: $ssologin .= (($ssologin=~/\?/)?'&':'?') . 'logtoken='.$logtoken;
853: }
854: my $ssohref;
855: if ($samlssoimg ne '') {
856: $ssohref = '<a href="'.$ssologin.'" title="'.$samltooltip.'"><img src="'.$samlssoimg.'" alt="'.$samlssoalt.'" /></a>';
857: } else {
858: $ssohref = '<a href="'.$ssologin.'">'.$samlssotext.'</a>';
859: }
860: if (($env{'form.saml'} eq 'no') ||
861: (($env{'form.username'} ne '') && ($env{'form.domain'} ne ''))) {
862: $ssoauthstyle = 'none';
863: $stdauthformstyle = 'inline-block';
864: $logintype = $samlnonsso;
865: }
866: $r->print(<<ENDSAML);
867: <p>
868: Log-in type:
869: <span style="font-weight:bold" id="LC_login_text">$logintype</span><br />
870: <span><a href="javascript:toggleLClogin();" style="color:#000000">$lt{'change'}</a></span>
871: </p>
872: <div style="display:$ssoauthstyle" id="LC_SSO_login">
873: <div class="LC_Box" style="padding-top: 10px;">
874: $ssohref
875: $noscript_warning
876: </div>
877: <div class="LC_Box" style="padding-top: 10px;">
878: $loginhelp
879: $contactblock
880: $coursecatalog
881: </div>
882: </div>
883: ENDSAML
1.158.2.13.2. (raeburn 884:): } else {
885:): if ($env{'form.ltoken'}) {
886:): &Apache::lonnet::tmpdel($env{'form.ltoken'});
887:): delete($env{'form.ltoken'});
888:): }
1.158.2.13 raeburn 889: }
890:
891: $r->print(<<ENDLOGIN);
892: <div style="display:$stdauthformstyle;" id="LC_standard_login">
1.137 bisitz 893: <div class="LC_Box" style="background:$loginbox_bg;">
1.112 muellerd 894: $logintitle
1.137 bisitz 895: $loginform
896: $noscript_warning
1.108 tempelho 897: </div>
1.107 tempelho 898:
1.137 bisitz 899: <div class="LC_Box" style="padding-top: 10px;">
1.132 bisitz 900: $loginhelp
901: $forgotpw
902: $contactblock
903: $newuserlink
1.130 bisitz 904: $coursecatalog
1.107 tempelho 905: </div>
1.118 tempelho 906: </div>
1.137 bisitz 907:
1.158.2.13 raeburn 908: ENDLOGIN
909: $r->print('</div><div>'."\n");
1.118 tempelho 910: if ($showmainlogo) {
1.158.2.6 raeburn 911: $r->print(' <img src="'.$logo.'" alt="" class="LC_maxwidth" />'."\n");
1.118 tempelho 912: }
913: $r->print(<<ENDTOP);
914: $announcements
1.137 bisitz 915: </div>
916: <hr style="clear:both;" />
1.108 tempelho 917: ENDTOP
1.147 raeburn 918: my ($domainrow,$serverrow,$loadrow,$userloadrow,$versionrow);
919: $domainrow = <<"END";
1.14 albertel 920: <tr>
1.110 muellerd 921: <td align="left" valign="top">
1.132 bisitz 922: <small><b>$lt{'dom'}: </b></small>
1.14 albertel 923: </td>
1.110 muellerd 924: <td align="left" valign="top">
1.14 albertel 925: <small><tt> $domain</tt></small>
926: </td>
927: </tr>
1.147 raeburn 928: END
929: $serverrow = <<"END";
1.14 albertel 930: <tr>
1.110 muellerd 931: <td align="left" valign="top">
1.132 bisitz 932: <small><b>$lt{'serv'}: </b></small>
1.14 albertel 933: </td>
1.110 muellerd 934: <td align="left" valign="top">
1.14 albertel 935: <small><tt> $lonhost ($role)</tt></small>
936: </td>
937: </tr>
1.147 raeburn 938: END
939: if ($loadlim) {
940: $loadrow = <<"END";
1.14 albertel 941: <tr>
1.110 muellerd 942: <td align="left" valign="top">
1.132 bisitz 943: <small><b>$lt{'load'}: </b></small>
1.14 albertel 944: </td>
1.110 muellerd 945: <td align="left" valign="top">
1.51 www 946: <small><tt> $loadpercent $lt{'perc'}</tt></small>
1.42 albertel 947: </td>
948: </tr>
1.147 raeburn 949: END
950: }
951: if ($uloadlim) {
952: $userloadrow = <<"END";
1.42 albertel 953: <tr>
1.110 muellerd 954: <td align="left" valign="top">
1.132 bisitz 955: <small><b>$lt{'userload'}: </b></small>
1.42 albertel 956: </td>
1.110 muellerd 957: <td align="left" valign="top">
1.51 www 958: <small><tt> $userloadpercent $lt{'perc'}</tt></small>
1.14 albertel 959: </td>
960: </tr>
1.147 raeburn 961: END
962: }
963: if (($version ne '') && ($version ne '<!-- VERSION -->')) {
964: $versionrow = <<"END";
1.132 bisitz 965: <tr>
966: <td colspan="2" align="left">
967: <small>$version</small>
968: </td>
969: </tr>
1.147 raeburn 970: END
971: }
972:
1.151 raeburn 973: $r->print(<<ENDDOCUMENT);
1.147 raeburn 974: <div style="float: left;">
975: <table border="0" cellspacing="0" cellpadding="0">
976: $domainrow
977: $serverrow
978: $loadrow
979: $userloadrow
980: $versionrow
1.14 albertel 981: </table>
1.141 raeburn 982: </div>
983: <div style="float: right;">
984: $domainlogo
985: </div>
986: <br style="clear:both;" />
1.107 tempelho 987: </div>
1.25 bowersj2 988:
1.59 albertel 989: <script type="text/javascript">
1.122 bisitz 990: // <![CDATA[
1.59 albertel 991: // the if prevents the script error if the browser can not handle this
1.25 bowersj2 992: if ( document.client.uname ) { document.client.uname.focus(); }
1.122 bisitz 993: // ]]>
1.25 bowersj2 994: </script>
1.62 raeburn 995: $helpdeskscript
1.14 albertel 996:
1.1 albertel 997: ENDDOCUMENT
1.98 raeburn 998: my %endargs = ( 'noredirectlink' => 1, );
999: $r->print(&Apache::loncommon::end_page(\%endargs));
1.1 albertel 1000: return OK;
1.60 raeburn 1001: }
1002:
1.133 raeburn 1003: sub check_loginvia {
1.158.2.8 raeburn 1004: my ($domain,$lonhost,$lonidsdir,$balcookie) = @_;
1005: if ($domain eq '' || $lonhost eq '' || $lonidsdir eq '') {
1.133 raeburn 1006: return;
1007: }
1008: my %domconfhash = &Apache::loncommon::get_domainconf($domain);
1009: my $loginvia = $domconfhash{$domain.'.login.loginvia_'.$lonhost};
1010: my $loginvia_exempt = $domconfhash{$domain.'.login.loginvia_exempt_'.$lonhost};
1011: my $output;
1012: if ($loginvia ne '') {
1013: my $noredirect;
1.158.2.12 raeburn 1014: my $ip = &Apache::lonnet::get_requestor_ip();
1.133 raeburn 1015: if ($ip eq '127.0.0.1') {
1016: $noredirect = 1;
1017: } else {
1018: if ($loginvia_exempt ne '') {
1019: my @exempt = split(',',$loginvia_exempt);
1020: if (grep(/^\Q$ip\E$/,@exempt)) {
1021: $noredirect = 1;
1022: }
1023: }
1024: }
1025: unless ($noredirect) {
1026: my ($newhost,$path);
1027: if ($loginvia =~ /:/) {
1028: ($newhost,$path) = split(':',$loginvia);
1029: } else {
1030: $newhost = $loginvia;
1031: }
1032: if ($newhost ne $lonhost) {
1033: if (&Apache::lonnet::hostname($newhost) ne '') {
1.158.2.8 raeburn 1034: if ($balcookie) {
1035: my ($balancer,$cookie) = split(/:/,$balcookie);
1036: if ($cookie =~ /^($match_domain)_($match_username)_([a-f0-9]+)$/) {
1037: my ($udom,$uname,$cookieid) = ($1,$2,$3);
1038: unless (&Apache::lonnet::delbalcookie($cookie,$balancer) eq 'ok') {
1039: if ((-d $lonidsdir) && (opendir(my $dh,$lonidsdir))) {
1040: while (my $filename=readdir($dh)) {
1041: if ($filename=~/^(\Q$uname\E_\d+_\Q$udom\E_$match_lonid)\.id$/) {
1042: my $handle = $1;
1043: my %hash =
1044: &Apache::lonnet::get_sessionfile_vars($handle,$lonidsdir,
1045: ['request.balancercookie',
1046: 'user.linkedenv']);
1047: if ($hash{'request.balancercookie'} eq "$balancer:$cookieid") {
1048: if (unlink("$lonidsdir/$filename")) {
1049: if (($hash{'user.linkedenv'} =~ /^[a-f0-9]+_linked$/) &&
1050: (-l "$lonidsdir/$hash{'user.linkedenv'}.id") &&
1051: (readlink("$lonidsdir/$hash{'user.linkedenv'}.id") eq "$lonidsdir/$filename")) {
1052: unlink("$lonidsdir/$hash{'user.linkedenv'}.id");
1053: }
1054: }
1055: }
1056: last;
1057: }
1058: }
1059: closedir($dh);
1060: }
1061: }
1062: }
1063: }
1.133 raeburn 1064: $output = &redirect_page($newhost,$path);
1065: }
1066: }
1067: }
1068: }
1069: return $output;
1070: }
1071:
1.126 raeburn 1072: sub redirect_page {
1.133 raeburn 1073: my ($desthost,$path) = @_;
1.158.2.8 raeburn 1074: my $hostname = &Apache::lonnet::hostname($desthost);
1.126 raeburn 1075: my $protocol = $Apache::lonnet::protocol{$desthost};
1076: $protocol = 'http' if ($protocol ne 'https');
1.133 raeburn 1077: unless ($path =~ m{^/}) {
1078: $path = '/'.$path;
1079: }
1.158.2.8 raeburn 1080: my $url = $protocol.'://'.$hostname.$path;
1.126 raeburn 1081: if ($env{'form.firsturl'} ne '') {
1.158.2.13 raeburn 1082: my $querystring;
1083: if ($env{'form.firsturl'} =~ /[^\x00-\xFF]/) {
1084: $querystring = &uri_escape_utf8($env{'form.firsturl'});
1085: } else {
1086: $querystring = &uri_escape($env{'form.firsturl'});
1087: }
1088: $querystring = &HTML::Entities::encode($querystring,"'");
1089: $url .='?firsturl='.$querystring;
1.126 raeburn 1090: }
1.158.2.13.2. (raeburn 1091:): if (($env{'form.ltoken'}) || ($env{'form.linkkey'} ne '')) {
1092:): my %link_info;
1093:): if ($env{'form.ltoken'}) {
1094:): $link_info{'ltoken'} = $env{'form.ltoken'};
1095:): } elsif ($env{'form.linkkey'} ne '') {
1096:): $link_info{'linkkey'} = $env{'form.linkkey'};
1097:): }
1098:): my $token = &Apache::lonnet::tmpput(\%link_info,$desthost,'link');
1099:): unless (($token eq 'con_lost') || ($token eq 'refused') ||
1100:): ($token eq 'unknown_cmd') || ($token eq 'no_such_host')) {
1101:): $url .= (($url=~/\?/)?'&':'?') . 'ttoken='.$token;
1102:): }
1103:): }
1.136 raeburn 1104: my $start_page = &Apache::loncommon::start_page('Switching Server ...',undef,
1.126 raeburn 1105: {'redirect' => [0,$url],});
1106: my $end_page = &Apache::loncommon::end_page();
1107: return $start_page.$end_page;
1108: }
1109:
1.60 raeburn 1110: sub contactdisplay {
1.153 raeburn 1111: my ($lt,$servadm,$showadminmail,$authdomain,$helpdeskscript,$showhelpdesk,
1112: $possdoms) = @_;
1.60 raeburn 1113: my $contactblock;
1.153 raeburn 1114: my $origmail;
1115: if (ref($possdoms) eq 'ARRAY') {
1116: if (grep(/^\Q$authdomain\E$/,@{$possdoms})) {
1117: $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
1118: }
1119: }
1120: my $requestmail =
1121: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
1122: $authdomain,$origmail);
1.154 raeburn 1123: unless ($showhelpdesk eq '0') {
1124: if ($requestmail =~ m/[^\@]+\@[^\@]+/) {
1125: $showhelpdesk = 1;
1126: } else {
1.153 raeburn 1127: $showhelpdesk = 0;
1128: }
1.62 raeburn 1129: }
1.90 raeburn 1130: if ($servadm && $showadminmail) {
1.130 bisitz 1131: $contactblock .= $$lt{'servadm'}.':<br />'.
1132: '<tt>'.$servadm.'</tt><br />';
1.90 raeburn 1133: }
1.60 raeburn 1134: if ($showhelpdesk) {
1.114 tempelho 1135: $contactblock .= '<a href="javascript:helpdesk()">'.$lt->{'helpdesk'}.'</a><br />';
1.75 www 1136: my $thisurl = &escape('/adm/login');
1.62 raeburn 1137: $$helpdeskscript = <<"ENDSCRIPT";
1138: <script type="text/javascript">
1.122 bisitz 1139: // <![CDATA[
1.62 raeburn 1140: function helpdesk() {
1.155 raeburn 1141: var possdom = document.client.udom.value;
1142: var codedom = possdom.replace( new RegExp("[^A-Za-z0-9.\\-]","g"),'');
1.62 raeburn 1143: if (codedom == '') {
1144: codedom = "$authdomain";
1145: }
1146: var querystr = "origurl=$thisurl&codedom="+codedom;
1147: document.location.href = "/adm/helpdesk?"+querystr;
1148: return;
1149: }
1.122 bisitz 1150: // ]]>
1.62 raeburn 1151: </script>
1152: ENDSCRIPT
1.60 raeburn 1153: }
1154: return $contactblock;
1155: }
1.83 raeburn 1156:
1157: sub forgotpwdisplay {
1.84 raeburn 1158: my (%lt) = @_;
1.83 raeburn 1159: my $prompt_for_resetpw = 1;
1160: if ($prompt_for_resetpw) {
1.107 tempelho 1161: return '<a href="/adm/resetpw">'.$lt{'forgotpw'}.'</a>';
1.84 raeburn 1162: }
1163: return;
1164: }
1165:
1.90 raeburn 1166: sub coursecatalog_link {
1167: my ($linkname) = @_;
1168: return <<"END";
1.137 bisitz 1169: <a href="/adm/coursecatalog">$linkname</a>
1.90 raeburn 1170: END
1171: }
1172:
1.101 raeburn 1173: sub newuser_link {
1174: my ($linkname) = @_;
1.130 bisitz 1175: return '<a href="/adm/createaccount">'.$linkname.'</a>';
1.101 raeburn 1176: }
1177:
1.158.2.13 raeburn 1178: sub decode_token {
1179: my ($info) = @_;
1180: my ($firsturl,@rest)=split(/\&/,$info);
1181: my %form;
1182: if ($firsturl ne '') {
1183: $form{'firsturl'} = &unescape($firsturl);
1184: }
1185: foreach my $item (@rest) {
1186: my ($key,$value) = split(/=/,$item);
1187: $form{$key} = &unescape($value);
1188: }
1189: return %form;
1190: }
1191:
1.1 albertel 1192: 1;
1193: __END__
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