Annotation of loncom/auth/lonlogin.pm, revision 1.210
1.160 kruse 1: # The LearningOnline Network
2: # Login Screen
3: #
1.210 ! raeburn 4: # $Id: lonlogin.pm,v 1.209 2025/02/09 22:42:12 raeburn Exp $
1.160 kruse 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: #
28:
29: package Apache::lonlogin;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::File ();
34: use Apache::lonnet;
35: use Apache::loncommon();
36: use Apache::lonauth();
37: use Apache::lonlocal;
38: use Apache::migrateuser();
39: use lib '/home/httpd/lib/perl/';
1.176 raeburn 40: use LONCAPA qw(:DEFAULT :match);
1.188 raeburn 41: use URI::Escape;
42: use HTML::Entities();
1.169 raeburn 43: use CGI::Cookie();
1.160 kruse 44:
45: sub handler {
46: my $r = shift;
47:
48: &Apache::loncommon::get_unprocessed_cgi
49: (join('&',$ENV{'QUERY_STRING'},$env{'request.querystring'},
50: $ENV{'REDIRECT_QUERY_STRING'}),
51: ['interface','username','domain','firsturl','localpath','localres',
1.193 raeburn 52: 'token','role','symb','iptoken','btoken','ltoken','ttoken','linkkey',
1.204 raeburn 53: 'saml','sso','retry','display']);
1.193 raeburn 54:
55: # -- check if they are a migrating user
56: if (defined($env{'form.token'})) {
57: return &Apache::migrateuser::handler($r);
58: }
59:
1.192 raeburn 60: my $lonhost = $r->dir_config('lonHostID');
1.193 raeburn 61: if ($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'};
1.206 raeburn 71: foreach my $item ('linkprotuser','linkprotexit','linkprotpbid','linkprotpburl') {
1.201 raeburn 72: if ($info{$item} ne '') {
73: $env{'form.'.$item} = $info{$item};
74: }
1.199 raeburn 75: }
1.193 raeburn 76: } elsif ($info{'linkkey'} ne '') {
77: $env{'form.linkkey'} = $info{'linkkey'};
78: }
79: } elsif (($env{'form.sso'}) || ($env{'form.retry'})) {
1.192 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($r,['firsturl']);
98: }
99: if (!defined($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/+$LONCAPA::match_domain/+\w+$}) &&
1.193 raeburn 105: (!$env{'form.ltoken'}) && (!$env{'form.linkprot'}) && (!$env{'form.linkkey'})) {
1.192 raeburn 106: &Apache::lonacc::get_posted_cgi($r,['linkkey']);
107: }
108: if ($env{'form.firsturl'} eq '/adm/logout') {
109: delete($env{'form.firsturl'});
1.172 raeburn 110: }
111: }
1.160 kruse 112:
1.169 raeburn 113: # For "public user" - remove any exising "public" cookie, as user really wants to log-in
1.171 raeburn 114: my ($handle,$lonidsdir,$expirepub,$userdom);
1.176 raeburn 115: $lonidsdir=$r->dir_config('lonIDsDir');
1.169 raeburn 116: unless ($r->header_only) {
1.171 raeburn 117: $handle = &Apache::lonnet::check_for_valid_session($r,'lonID',undef,\$userdom);
1.169 raeburn 118: if ($handle ne '') {
119: if ($handle=~/^publicuser\_/) {
120: unlink($r->dir_config('lonIDsDir')."/$handle.id");
121: undef($handle);
1.171 raeburn 122: undef($userdom);
123: $expirepub = 1;
1.169 raeburn 124: }
125: }
126: }
127:
1.160 kruse 128: &Apache::loncommon::no_cache($r);
129: &Apache::lonlocal::get_language_handle($r);
130: &Apache::loncommon::content_type($r,'text/html');
1.171 raeburn 131: if ($expirepub) {
1.170 raeburn 132: my $c = new CGI::Cookie(-name => 'lonPubID',
1.169 raeburn 133: -value => '',
134: -expires => '-10y',);
135: $r->header_out('Set-cookie' => $c);
1.171 raeburn 136: } elsif (($handle eq '') && ($userdom ne '')) {
1.173 raeburn 137: my %cookies=CGI::Cookie->parse($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: }
1.169 raeburn 145: }
1.160 kruse 146: $r->send_http_header;
147: return OK if $r->header_only;
148:
149:
150: # Are we re-routing?
151: my $londocroot = $r->dir_config('lonDocRoot');
152: if (-e "$londocroot/lon-status/reroute.txt") {
153: &Apache::lonauth::reroute($r);
154: return OK;
155: }
156:
1.174 raeburn 157: # Check if browser sent a LON-CAPA load balancer cookie (and this is a balancer)
158:
159: my ($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 '') {
1.193 raeburn 167: $dest = &HTML::Entities::encode($env{'form.firsturl'},'\'"<>&');
1.174 raeburn 168: }
1.176 raeburn 169: my %info = (
170: balcookie => $lonhost.':'.$balancer_cookie,
171: );
1.193 raeburn 172: if ($env{'form.role'}) {
173: $info{'role'} = $env{'form.role'};
174: }
175: if ($env{'form.symb'}) {
176: $info{'symb'} = $env{'form.symb'};
1.177 raeburn 177: }
1.204 raeburn 178: if (($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'});
1.205 raeburn 187: $info{'mailrecip'} = &escape($env{'form.username'}.':'.$env{'form.domain'});
1.204 raeburn 188: }
189: }
190: }
1.176 raeburn 191: my $balancer_token = &Apache::lonnet::tmpput(\%info,$found_server);
1.193 raeburn 192: unless (($balancer_token eq 'con_lost') || ($balancer_token eq 'refused') ||
193: ($balancer_token eq 'unknown_cmd') || ($balancer_token eq 'no_such_host')) {
1.187 raeburn 194: $dest .= (($dest=~/\?/)?'&':'?') . 'btoken='.$balancer_token;
1.176 raeburn 195: }
1.193 raeburn 196: if ($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'};
1.206 raeburn 202: foreach my $item ('linkprotuser','linkprotexit','linkprotpbid','linkprotpburl') {
1.201 raeburn 203: if ($env{'form.'.$item} ne '') {
204: $link_info{$item} = $env{'form.'.$item};
205: }
1.199 raeburn 206: }
1.193 raeburn 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='.$token;
216: }
217: }
218: }
1.183 raeburn 219: unless ($found_server eq $lonhost) {
220: my $alias = &Apache::lonnet::use_proxy_alias($r,$found_server);
221: $hostname = $alias if ($alias ne '');
222: }
1.174 raeburn 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:
1.171 raeburn 233: #
1.176 raeburn 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:
1.193 raeburn 238: my $balcookie;
1.176 raeburn 239: if ($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($env{'form.btoken'});
1.204 raeburn 244: if (($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: }
1.176 raeburn 249: }
250:
1.209 raeburn 251: (undef,undef,undef,my $clientmathml,my $clientunicode,undef,my $clientmobile) =
252: &Apache::loncommon::decode_user_agent($r);
253:
1.176 raeburn 254: #
1.171 raeburn 255: # If browser sent an old cookie for which the session file had been removed
256: # check if configuration for user's domain has a portal URL set. If so
257: # switch user's log-in to the portal.
258: #
259:
260: if (($handle eq '') && ($userdom ne '')) {
261: my %domdefaults = &Apache::lonnet::get_domain_defaults($userdom);
262: if ($domdefaults{'portal_def'} =~ /^https?\:/) {
263: my $start_page = &Apache::loncommon::start_page('Switching Server ...',undef,
264: {'redirect' => [0,$domdefaults{'portal_def'}],});
265: my $end_page = &Apache::loncommon::end_page();
266: $r->print($start_page.$end_page);
267: return OK;
268: }
269: }
270:
1.160 kruse 271: # -------------------------------- Prevent users from attempting to login twice
272: if ($handle ne '') {
1.169 raeburn 273: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
1.209 raeburn 274: my $args = {};
275: if ($clientunicode && !$clientmathml) {
276: $args->{'browser.unicode'} = 1;
277: }
1.169 raeburn 278: my $start_page =
1.209 raeburn 279: &Apache::loncommon::start_page('Already logged in','',$args);
1.169 raeburn 280: my $end_page =
281: &Apache::loncommon::end_page();
282: my $dest = '/adm/roles';
283: if ($env{'form.firsturl'} ne '') {
1.193 raeburn 284: $dest = &HTML::Entities::encode($env{'form.firsturl'},'\'"<>&');
1.169 raeburn 285: }
1.193 raeburn 286: if (($env{'form.ltoken'}) || ($env{'form.linkprot'})) {
1.206 raeburn 287: my ($linkprot,$linkprotuser,$linkprotexit,$linkprotpbid,$linkprotpburl);
1.193 raeburn 288: if ($env{'form.ltoken'}) {
1.177 raeburn 289: my %info = &Apache::lonnet::tmpget($env{'form.ltoken'});
290: $linkprot = $info{'linkprot'};
1.199 raeburn 291: if ($info{'linkprotuser'} ne '') {
292: $linkprotuser = $info{'linkprotuser'};
1.201 raeburn 293: }
294: if ($info{'linkprotexit'} ne '') {
295: $linkprotexit = $info{'linkprotexit'};
296: }
1.206 raeburn 297: if ($info{'linkprotpbid'} ne '') {
298: $linkprotpbid = $info{'linkprotpbid'};
299: }
300: if ($info{'linkprotpburl'} ne '') {
301: $linkprotpburl = $info{'linkprotpburl'};
302: }
1.193 raeburn 303: } else {
304: $linkprot = $env{'form.linkprot'};
1.199 raeburn 305: $linkprotuser = $env{'form.linkprotuser'};
1.201 raeburn 306: $linkprotexit = $env{'form.linkprotexit'};
1.206 raeburn 307: $linkprotpbid = $env{'form.linkprotpbid'};
308: $linkprotpburl = $env{'form.linkprotpburl'};
1.177 raeburn 309: }
310: if ($linkprot) {
311: my ($linkprotector,$deeplink) = split(/:/,$linkprot,2);
1.199 raeburn 312: if (($deeplink =~ m{^/tiny/$match_domain/\w+$}) &&
313: ($linkprotuser ne '') && ($linkprotuser ne $env{'user.name'}.':'.$env{'user.domain'})) {
314: my $ip = &Apache::lonnet::get_requestor_ip();
315: my %linkprotinfo = (
316: origurl => $deeplink,
317: linkprot => $linkprot,
318: linkprotuser => $linkprotuser,
1.201 raeburn 319: linkprotexit => $linkprotexit,
1.206 raeburn 320: linkprotpbid => $linkprotpbid,
321: linkprotpburl => $linkprotpburl,
322: );
1.200 raeburn 323: if ($env{'form.ltoken'}) {
324: my $delete = &Apache::lonnet::tmpdel($env{'form.ltoken'});
325: }
1.199 raeburn 326: &Apache::migrateuser::logout($r,$ip,$handle,undef,undef,\%linkprotinfo);
327: return OK;
328: }
1.177 raeburn 329: if ($env{'user.linkprotector'}) {
330: my @protectors = split(/,/,$env{'user.linkprotector'});
331: unless (grep(/^\Q$linkprotector\E$/,@protectors)) {
332: push(@protectors,$linkprotector);
333: @protectors = sort { $a <=> $b } @protectors;
334: &Apache::lonnet::appenv({'user.linkprotector' => join(',',@protectors)});
335: }
336: } else {
337: &Apache::lonnet::appenv({'user.linkprotector' => $linkprotector });
338: }
339: if ($env{'user.linkproturi'}) {
340: my @proturis = split(/,/,$env{'user.linkproturi'});
1.179 raeburn 341: unless (grep(/^\Q$deeplink\E$/,@proturis)) {
1.177 raeburn 342: push(@proturis,$deeplink);
343: @proturis = sort @proturis;
344: &Apache::lonnet::appenv({'user.linkproturi' => join(',',@proturis)});
345: }
346: } else {
347: &Apache::lonnet::appenv({'user.linkproturi' => $deeplink});
348: }
349: }
1.193 raeburn 350: } elsif ($env{'form.linkkey'} ne '') {
1.179 raeburn 351: if ($env{'form.firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
1.193 raeburn 352: my $linkkey = $env{'form.linkkey'};
1.179 raeburn 353: if ($env{'user.deeplinkkey'}) {
354: my @linkkeys = split(/,/,$env{'user.deeplinkkey'});
355: unless (grep(/^\Q$linkkey\E$/,@linkkeys)) {
356: push(@linkkeys,$linkkey);
1.193 raeburn 357: &Apache::lonnet::appenv({'user.deeplinkkey' => join(',',sort(@linkkeys))});
1.179 raeburn 358: }
359: } else {
360: &Apache::lonnet::appenv({'user.deeplinkkey' => $linkkey});
361: }
362: my $deeplink = $env{'form.firsturl'};
363: if ($env{'user.keyedlinkuri'}) {
364: my @keyeduris = split(/,/,$env{'user.keyedlinkuri'});
365: unless (grep(/^\Q$deeplink\E$/,@keyeduris)) {
366: push(@keyeduris,$deeplink);
367: &Apache::lonnet::appenv({'user.keyedlinkuri' => join(',',sort(@keyeduris))});
368: }
369: } else {
370: &Apache::lonnet::appenv({'user.keyedlinkuri' => $deeplink});
371: }
372: }
1.177 raeburn 373: }
1.200 raeburn 374: if ($env{'form.ltoken'}) {
375: my $delete = &Apache::lonnet::tmpdel($env{'form.ltoken'});
376: }
1.204 raeburn 377: if (($env{'form.firsturl'} eq '/adm/email') && ($env{'form.display'})) {
378: if ($env{'form.mailrecip'}) {
379: if ($env{'form.mailrecip'} eq "$env{'user.name'}:$env{'user.domain'}") {
380: $dest .= (($dest=~/\?/)?'&':'?') . 'display='.&escape($env{'form.display'}).
381: '&mailrecip='.&escape($env{'form.mailrecip'});
382: }
383: } elsif (($env{'form.username'} eq $env{'user.name'}) && ($env{'form.domain'} eq $env{'user.domain'})) {
384: $dest .= (($dest=~/\?/)?'&':'?') . 'display='.&escape($env{'form.display'}).
385: '&mailrecip='.&escape("$env{'user.name'}:$env{'form.domain'}");
386: }
387: }
1.169 raeburn 388: $r->print(
1.160 kruse 389: $start_page
1.209 raeburn 390: .'<div role="main">'
1.160 kruse 391: .'<p class="LC_warning">'.&mt('You are already logged in!').'</p>'
392: .'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].',
393: '<a href="'.$dest.'">','</a>','<a href="/adm/logout">','</a>').'</p>'
1.210 ! raeburn 394: .'</div>'
1.160 kruse 395: .$end_page
396: );
1.169 raeburn 397: return OK;
1.160 kruse 398: }
399:
400: # ---------------------------------------------------- No valid token, continue
401:
402: # ---------------------------- Not possible to really login to domain "public"
403: if ($env{'form.domain'} eq 'public') {
404: $env{'form.domain'}='';
405: $env{'form.username'}='';
406: }
407:
408: # ------ Is this page requested because /adm/migrateuser detected an IP change?
409: my %sessiondata;
410: if ($env{'form.iptoken'}) {
411: %sessiondata = &Apache::lonnet::tmpget($env{'form.iptoken'});
1.162 raeburn 412: unless ($sessiondata{'sessionserver'}) {
413: my $delete = &Apache::lonnet::tmpdel($env{'form.iptoken'});
414: delete($env{'form.iptoken'});
415: }
1.160 kruse 416: }
417: # ----------------------------------------------------------- Process Interface
418: $env{'form.interface'}=~s/\W//g;
419:
420: my $iconpath=
421: &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
422:
423: my $domain = &Apache::lonnet::default_login_domain();
1.161 raeburn 424: my $defdom = $domain;
1.160 kruse 425: if ($lonhost ne '') {
426: unless ($sessiondata{'sessionserver'}) {
1.193 raeburn 427: my $redirect = &check_loginvia($domain,$lonhost,$lonidsdir,$balcookie);
1.160 kruse 428: if ($redirect) {
429: $r->print($redirect);
430: return OK;
431: }
432: }
433: }
434:
435: if (($sessiondata{'domain'}) &&
1.175 raeburn 436: (&Apache::lonnet::domain($sessiondata{'domain'},'description'))) {
1.160 kruse 437: $domain=$sessiondata{'domain'};
438: } elsif (($env{'form.domain'}) &&
439: (&Apache::lonnet::domain($env{'form.domain'},'description'))) {
440: $domain=$env{'form.domain'};
441: }
442:
443: my $role = $r->dir_config('lonRole');
444: my $loadlim = $r->dir_config('lonLoadLim');
445: my $uloadlim= $r->dir_config('lonUserLoadLim');
446: my $servadm = $r->dir_config('lonAdmEMail');
447: my $tabdir = $r->dir_config('lonTabDir');
448: my $include = $r->dir_config('lonIncludes');
449: my $expire = $r->dir_config('lonExpire');
450: my $version = $r->dir_config('lonVersion');
451: my $host_name = &Apache::lonnet::hostname($lonhost);
452:
453: # --------------------------------------------- Default values for login fields
454:
455: my ($authusername,$authdomain);
456: if ($sessiondata{'username'}) {
457: $authusername=$sessiondata{'username'};
458: } else {
459: $env{'form.username'} = &Apache::loncommon::cleanup_html($env{'form.username'});
460: $authusername=($env{'form.username'}?$env{'form.username'}:'');
461: }
462: if ($sessiondata{'domain'}) {
463: $authdomain=$sessiondata{'domain'};
464: } else {
465: $env{'form.domain'} = &Apache::loncommon::cleanup_html($env{'form.domain'});
466: $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain);
467: }
468:
469: # ---------------------------------------------------------- Determine own load
470: my $loadavg;
471: {
472: my $loadfile=Apache::File->new('/proc/loadavg');
473: $loadavg=<$loadfile>;
474: }
475: $loadavg =~ s/\s.*//g;
476:
477: my ($loadpercent,$userloadpercent);
478: if ($loadlim) {
479: $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
480: }
481: if ($uloadlim) {
482: $userloadpercent=&Apache::lonnet::userload();
483: }
484:
485: my $firsturl=
486: ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'});
487:
488: # ----------------------------------------------------------- Get announcements
489: my $announcements=&Apache::lonnet::getannounce();
490: # -------------------------------------------------------- Set login parameters
491:
492: my @hexstr=('0','1','2','3','4','5','6','7',
493: '8','9','a','b','c','d','e','f');
494: my $lkey='';
495: for (0..7) {
496: $lkey.=$hexstr[rand(15)];
497: }
498:
499: my $ukey='';
500: for (0..7) {
501: $ukey.=$hexstr[rand(15)];
502: }
503:
504: my $lextkey=hex($lkey);
505: if ($lextkey>2147483647) { $lextkey-=4294967296; }
506:
507: my $uextkey=hex($ukey);
508: if ($uextkey>2147483647) { $uextkey-=4294967296; }
509:
510: # -------------------------------------------------------- Store away log token
1.196 raeburn 511: my ($tokenextras,$tokentype,$linkprot_for_login);
1.206 raeburn 512: my @names = ('role','symb','iptoken','ltoken','linkprotuser','linkprotexit',
513: 'linkprot','linkkey','display','linkprotpbid','linkprotpburl');
1.192 raeburn 514: foreach my $name (@names) {
515: if ($env{'form.'.$name} ne '') {
516: if ($name eq 'ltoken') {
1.193 raeburn 517: my %info = &Apache::lonnet::tmpget($env{'form.'.$name});
1.192 raeburn 518: if ($info{'linkprot'}) {
1.196 raeburn 519: $linkprot_for_login = $info{'linkprot'};
1.192 raeburn 520: $tokenextras .= '&linkprot='.&escape($info{'linkprot'});
1.206 raeburn 521: foreach my $item ('linkprotuser','linkprotexit','linkprotpbid','linkprotpburl') {
1.201 raeburn 522: if ($info{$item}) {
523: $tokenextras .= '&'.$item.'='.&escape($info{$item});
524: }
1.199 raeburn 525: }
1.192 raeburn 526: $tokentype = 'link';
527: last;
528: }
1.204 raeburn 529: } elsif ($env{'form.display'} && ($env{'form.firsturl'} eq '/adm/email')) {
530: if (($env{'form.mailrecip'}) ||
531: ($env{'form.username'} =~ /^$match_username$/) && ($env{'form.domain'} =~ /^$match_domain$/)) {
532: $tokenextras .= '&'.$name.'='.&escape($env{'form.display'});
533: if ($env{'form.mailrecip'}) {
534: $tokenextras .= '&mailrecip='.&escape($env{'form.mailrecip'});
535: } else {
536: $tokenextras .= '&mailrecip='.&escape($env{'form.username'}.':'.$env{'form.domain'});
537: }
538: }
1.192 raeburn 539: } else {
540: $tokenextras .= '&'.$name.'='.&escape($env{'form.'.$name});
1.193 raeburn 541: if (($name eq 'linkkey') || ($name eq 'linkprot')) {
1.198 raeburn 542: if ((($env{'form.retry'}) || ($env{'form.sso'})) &&
543: (!$env{'form.ltoken'}) && ($name eq 'linkprot')) {
1.196 raeburn 544: $linkprot_for_login = $env{'form.linkprot'};
545: }
1.192 raeburn 546: $tokentype = 'link';
547: }
548: }
1.160 kruse 549: }
550: }
1.192 raeburn 551: if ($tokentype) {
552: $tokenextras .= ":$tokentype";
1.177 raeburn 553: }
1.160 kruse 554: my $logtoken=Apache::lonnet::reply(
1.193 raeburn 555: 'tmpput:'.$ukey.$lkey.'&'.&escape($firsturl).$tokenextras,
1.160 kruse 556: $lonhost);
557:
558: # -- If we cannot talk to ourselves, or hostID does not map to a hostname
559: # we are in serious trouble
560:
561: if (($logtoken eq 'con_lost') || ($logtoken eq 'no_such_host')) {
562: if ($logtoken eq 'no_such_host') {
563: &Apache::lonnet::logthis('No valid logtoken for log-in page -- unable to determine hostname for hostID: '.$lonhost.'. Check entry in hosts.tab');
564: }
1.191 raeburn 565: if ($env{'form.ltoken'}) {
566: &Apache::lonnet::tmpdel($env{'form.ltoken'});
567: delete($env{'form.ltoken'});
568: }
1.160 kruse 569: my $spares='';
1.180 raeburn 570: my (@sparehosts,%spareservers);
571: my $sparesref = &Apache::lonnet::this_host_spares($defdom);
572: if (ref($sparesref) eq 'HASH') {
573: foreach my $key (keys(%{$sparesref})) {
574: if (ref($sparesref->{$key}) eq 'ARRAY') {
575: my @sorted = sort { &Apache::lonnet::hostname($a) cmp
576: &Apache::lonnet::hostname($b);
577: } @{$sparesref->{$key}};
578: if (@sorted) {
579: if ($key eq 'primary') {
580: unshift(@sparehosts,@sorted);
581: } elsif ($key eq 'default') {
582: push(@sparehosts,@sorted);
583: }
584: }
585: }
586: }
587: }
588: foreach my $hostid (@sparehosts) {
1.160 kruse 589: next if ($hostid eq $lonhost);
590: my $hostname = &Apache::lonnet::hostname($hostid);
1.180 raeburn 591: next if (($hostname eq '') || ($spareservers{$hostname}));
592: $spareservers{$hostname} = 1;
593: my $protocol = $Apache::lonnet::protocol{$hostid};
594: $protocol = 'http' if ($protocol ne 'https');
595: $spares.='<br /><span style="font-size: larger;"><a href="'.$protocol.'://'.
1.160 kruse 596: $hostname.
597: '/adm/login?domain='.$authdomain.'">'.
598: $hostname.'</a>'.
1.180 raeburn 599: ' '.&mt('(preferred)').'</span>'.$/;
1.160 kruse 600: }
601: if ($spares) {
602: $spares.= '<br />';
603: }
604: my %all_hostnames = &Apache::lonnet::all_hostnames();
605: foreach my $hostid (sort
606: {
607: &Apache::lonnet::hostname($a) cmp
608: &Apache::lonnet::hostname($b);
609: }
610: keys(%all_hostnames)) {
1.180 raeburn 611: next if ($hostid eq $lonhost);
1.160 kruse 612: my $hostname = &Apache::lonnet::hostname($hostid);
1.180 raeburn 613: next if (($hostname eq '') || ($spareservers{$hostname}));
1.181 raeburn 614: $spareservers{$hostname} = 1;
1.180 raeburn 615: my $protocol = $Apache::lonnet::protocol{$hostid};
616: $protocol = 'http' if ($protocol ne 'https');
617: $spares.='<br /><a href="'.$protocol.'://'.
1.160 kruse 618: $hostname.
619: '/adm/login?domain='.$authdomain.'">'.
620: $hostname.'</a>';
621: }
622: $r->print(
1.180 raeburn 623: '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">'
624: .'<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">'
625: .'<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>'
1.160 kruse 626: .&mt('The LearningOnline Network with CAPA')
1.209 raeburn 627: .'</title>'
628: .'<style type="text/css">
629: body {
630: background-color:"#FFFFFF";
631: }
632: h2 {
633: display: block;
634: font-size: 1.17em;
635: margin-top: 1em;
636: margin-bottom: 1em;
637: margin-left: 0;
638: margin-right: 0;
639: font-weight: bold;
640: }
641: </style></head>'
1.160 kruse 642: .'<body bgcolor="#FFFFFF">'
1.209 raeburn 643: .'<div role="banner">'
1.160 kruse 644: .'<h1>'.&mt('The LearningOnline Network with CAPA').'</h1>'
1.180 raeburn 645: .'<img src="/adm/lonKaputt/lonlogo_broken.gif" alt="broken icon" align="right" />'
1.209 raeburn 646: .'</div>'
647: .'<div role="main">'
648: .'<h2>'.&mt('This LON-CAPA server is temporarily not available for login.').'</h2>');
1.160 kruse 649: if ($spares) {
650: $r->print('<p>'.&mt('Please attempt to login to one of the following servers:')
651: .'</p>'
652: .$spares);
653: }
1.209 raeburn 654: $r->print('</div></body>'
1.160 kruse 655: .'</html>'
656: );
657: return OK;
658: }
659:
660: # ----------------------------------------------- Apparently we are in business
661: $servadm=~s/\,/\<br \/\>/g;
662:
663: # ----------------------------------------------------------- Front page design
664: my $pgbg=&Apache::loncommon::designparm('login.pgbg',$domain);
665: my $font=&Apache::loncommon::designparm('login.font',$domain);
666: my $link=&Apache::loncommon::designparm('login.link',$domain);
667: my $vlink=&Apache::loncommon::designparm('login.vlink',$domain);
668: my $alink=&Apache::loncommon::designparm('login.alink',$domain);
669: my $mainbg=&Apache::loncommon::designparm('login.mainbg',$domain);
670: my $loginbox_bg=&Apache::loncommon::designparm('login.sidebg',$domain);
671: my $loginbox_header_bgcol=&Apache::loncommon::designparm('login.bgcol',$domain);
672: my $loginbox_header_textcol=&Apache::loncommon::designparm('login.textcol',$domain);
673: my $logo=&Apache::loncommon::designparm('login.logo',$domain);
674: my $img=&Apache::loncommon::designparm('login.img',$domain);
675: my $domainlogo=&Apache::loncommon::domainlogo($domain);
676: my $showbanner = 1;
677: my $showmainlogo = 1;
678: if (defined(&Apache::loncommon::designparm('login.showlogo_img',$domain))) {
679: $showbanner = &Apache::loncommon::designparm('login.showlogo_img',$domain);
680: }
681: if (defined(&Apache::loncommon::designparm('login.showlogo_logo',$domain))) {
682: $showmainlogo = &Apache::loncommon::designparm('login.showlogo_logo',$domain);
683: }
684: my $showadminmail;
685: my @possdoms = &Apache::lonnet::current_machine_domains();
686: if (grep(/^\Q$domain\E$/,@possdoms)) {
687: $showadminmail=&Apache::loncommon::designparm('login.adminmail',$domain);
688: }
689: my $showcoursecat =
690: &Apache::loncommon::designparm('login.coursecatalog',$domain);
691: my $shownewuserlink =
692: &Apache::loncommon::designparm('login.newuser',$domain);
693: my $showhelpdesk =
694: &Apache::loncommon::designparm('login.helpdesk',$domain);
695: my $now=time;
696: my $js = (<<ENDSCRIPT);
697:
698: <script type="text/javascript" language="JavaScript">
699: // <![CDATA[
700: function send()
701: {
702: this.document.server.elements.uname.value
703: =this.document.client.elements.uname.value;
704:
705: this.document.server.elements.udom.value
706: =this.document.client.elements.udom.value;
707:
708: uextkey=this.document.client.elements.uextkey.value;
709: lextkey=this.document.client.elements.lextkey.value;
710: initkeys();
711:
712: if(this.document.server.action.substr(0,5) === 'http:'){
1.165 raeburn 713: this.document.server.elements.upass0.value
714: =getCrypted(this.document.client.elements.upass$now.value);
1.166 raeburn 715: } else {
716: this.document.server.elements.upass0.value
717: =this.document.client.elements.upass$now.value;
1.167 raeburn 718: }
1.160 kruse 719:
720: this.document.client.elements.uname.value='';
721: this.document.client.elements.upass$now.value='';
722:
723: this.document.server.submit();
724: return false;
725: }
726:
727: function enableInput() {
728: this.document.client.elements.upass$now.removeAttribute("readOnly");
729: this.document.client.elements.uname.removeAttribute("readOnly");
730: this.document.client.elements.udom.removeAttribute("readOnly");
731: return;
732: }
733:
734: // ]]>
735: </script>
736:
737: ENDSCRIPT
738:
1.184 raeburn 739: my ($lonhost_in_use,@hosts,%defaultdomconf,$saml_prefix,$saml_landing,
1.202 raeburn 740: $samlssotext,$samlnonsso,$samlssoimg,$samlssoalt,$samlssourl,$samltooltip,
1.203 raeburn 741: $samlwindow);
1.184 raeburn 742: %defaultdomconf = &Apache::loncommon::get_domainconf($defdom);
743: @hosts = &Apache::lonnet::current_machine_ids();
744: $lonhost_in_use = $lonhost;
745: if (@hosts > 1) {
746: foreach my $hostid (@hosts) {
747: if (&Apache::lonnet::host_domain($hostid) eq $defdom) {
748: $lonhost_in_use = $hostid;
749: last;
750: }
751: }
752: }
753: $saml_prefix = $defdom.'.login.saml_';
754: if ($defaultdomconf{$saml_prefix.$lonhost_in_use}) {
755: $saml_landing = 1;
756: $samlssotext = $defaultdomconf{$saml_prefix.'text_'.$lonhost_in_use};
757: $samlnonsso = $defaultdomconf{$saml_prefix.'notsso_'.$lonhost_in_use};
758: $samlssoimg = $defaultdomconf{$saml_prefix.'img_'.$lonhost_in_use};
759: $samlssoalt = $defaultdomconf{$saml_prefix.'alt_'.$lonhost_in_use};
760: $samlssourl = $defaultdomconf{$saml_prefix.'url_'.$lonhost_in_use};
761: $samltooltip = $defaultdomconf{$saml_prefix.'title_'.$lonhost_in_use};
1.202 raeburn 762: $samlwindow = $defaultdomconf{$saml_prefix.'window_'.$lonhost_in_use};
1.184 raeburn 763: }
764: if ($saml_landing) {
765: if ($samlssotext eq '') {
766: $samlssotext = 'SSO Login';
767: }
768: if ($samlnonsso eq '') {
769: $samlnonsso = 'Non-SSO Login';
770: }
771: $js .= <<"ENDSAMLJS";
772:
773: <script type="text/javascript">
774: // <![CDATA[
775: function toggleLClogin() {
776: if (document.getElementById('LC_standard_login')) {
777: if (document.getElementById('LC_standard_login').style.display == 'none') {
778: document.getElementById('LC_standard_login').style.display = 'inline-block';
779: if (document.getElementById('LC_login_text')) {
780: document.getElementById('LC_login_text').innerHTML = '$samlnonsso';
781: }
1.195 raeburn 782: if ( document.client.uname ) { document.client.uname.focus(); }
1.184 raeburn 783: if (document.getElementById('LC_SSO_login')) {
784: document.getElementById('LC_SSO_login').style.display = 'none';
785: }
786: } else {
787: document.getElementById('LC_standard_login').style.display = 'none';
788: if (document.getElementById('LC_login_text')) {
789: document.getElementById('LC_login_text').innerHTML = '$samlssotext';
790: }
791: if (document.getElementById('LC_SSO_login')) {
792: document.getElementById('LC_SSO_login').style.display = 'inline-block';
793: }
794: }
795: }
796: return;
797: }
798:
799: // ]]>
800: </script>
801:
802: ENDSAMLJS
803: }
804:
1.160 kruse 805: # --------------------------------------------------- Print login screen header
806:
807: my %add_entries = (
808: bgcolor => "$mainbg",
809: text => "$font",
810: link => "$link",
811: vlink => "$vlink",
812: alink => "$alink",
813: onload => 'javascript:enableInput();',);
814:
1.186 raeburn 815: my ($headextra,$headextra_exempt);
1.164 raeburn 816: $headextra = $defaultdomconf{$defdom.'.login.headtag_'.$lonhost_in_use};
817: $headextra_exempt = $defaultdomconf{$domain.'.login.headtag_exempt_'.$lonhost_in_use};
1.161 raeburn 818: if ($headextra) {
819: my $omitextra;
820: if ($headextra_exempt ne '') {
821: my @exempt = split(',',$headextra_exempt);
1.182 raeburn 822: my $ip = &Apache::lonnet::get_requestor_ip();
1.161 raeburn 823: if (grep(/^\Q$ip\E$/,@exempt)) {
824: $omitextra = 1;
825: }
826: }
827: unless ($omitextra) {
828: my $confname = $defdom.'-domainconfig';
1.163 raeburn 829: if ($headextra =~ m{^\Q/res/$defdom/$confname/login/headtag/$lonhost_in_use/\E}) {
1.161 raeburn 830: my $extra = &Apache::lonnet::getfile(&Apache::lonnet::filelocation("",$headextra));
831: unless ($extra eq '-1') {
832: $js .= "\n".$extra."\n";
833: }
834: }
835: }
836: }
837:
1.209 raeburn 838: my $args = {
839: 'redirect' => [$expire,'/adm/roles'],
840: 'add_entries' => \%add_entries,
841: 'only_body' => 1,
842: };
843: if ($clientunicode && !$clientmathml) {
844: $args->{'browser.unicode'} = 1;
845: }
846: $r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',
847: $js,$args));
1.160 kruse 848:
849: # ----------------------------------------------------------------------- Texts
850:
851: my %lt=&Apache::lonlocal::texthash(
852: 'un' => 'Username',
853: 'pw' => 'Password',
854: 'dom' => 'Domain',
855: 'perc' => 'percent',
856: 'load' => 'Server Load',
857: 'userload' => 'User Load',
858: 'catalog' => 'Course/Community Catalog',
859: 'log' => 'Log in',
860: 'help' => 'Log-in Help',
861: 'serv' => 'Server',
862: 'servadm' => 'Server Administration',
863: 'helpdesk' => 'Contact Helpdesk',
864: 'forgotpw' => 'Forgot password?',
865: 'newuser' => 'New User?',
1.184 raeburn 866: 'change' => 'Change?',
1.160 kruse 867: );
868: # -------------------------------------------------- Change password field name
869:
870: my $forgotpw = &forgotpwdisplay(%lt);
871: $forgotpw .= '<br />' if $forgotpw;
872: my $loginhelp = &Apache::lonauth::loginhelpdisplay($authdomain);
873: if ($loginhelp) {
874: $loginhelp = '<a href="'.$loginhelp.'">'.$lt{'help'}.'</a><br />';
875: }
876:
877: # ---------------------------------------------------- Serve out DES JavaScript
878: {
879: my $jsh=Apache::File->new($include."/londes.js");
880: $r->print(<$jsh>);
881: }
882: # ---------------------------------------------------------- Serve rest of page
883:
884: $r->print(
885: '<div class="LC_Box"'
886: .' style="margin:0 auto; padding:10px; width:90%; height: auto; background-color:#FFFFFF;">'
887: );
888:
1.208 raeburn 889: my $target = '_top';
890: if ($sessiondata{'linkprot'}) {
891: my ($linkprotector,$deeplink) = split(/:/,$sessiondata{'linkprot'},2);
892: if (($deeplink eq $sessiondata{'origurl'}) &&
893: (($sessiondata{'linkprotuser'} eq $sessiondata{'username'}.':'.$sessiondata{'domain'}) ||
894: ($sessiondata{'linkprotuser'} eq $sessiondata{'username'}))) {
895: $target = '_self';
896: }
897: }
1.160 kruse 898: $r->print(<<ENDSERVERFORM);
1.208 raeburn 899: <form name="server" action="/adm/authenticate" method="post" target="$target">
1.160 kruse 900: <input type="hidden" name="logtoken" value="$logtoken" />
901: <input type="hidden" name="serverid" value="$lonhost" />
902: <input type="hidden" name="uname" value="" />
903: <input type="hidden" name="upass0" value="" />
904: <input type="hidden" name="udom" value="" />
905: <input type="hidden" name="localpath" value="$env{'form.localpath'}" />
906: <input type="hidden" name="localres" value="$env{'form.localres'}" />
907: </form>
908: ENDSERVERFORM
909: my $coursecatalog;
910: if (($showcoursecat eq '') || ($showcoursecat)) {
911: $coursecatalog = &coursecatalog_link($lt{'catalog'}).'<br />';
912: }
913: my $newuserlink;
914: if ($shownewuserlink) {
915: $newuserlink = &newuser_link($lt{'newuser'}).'<br />';
916: }
917: my $logintitle =
918: '<h2 class="LC_hcell"'
919: .' style="background:'.$loginbox_header_bgcol.';'
920: .' color:'.$loginbox_header_textcol.'">'
921: .$lt{'log'}
922: .'</h2>';
923:
924: my $noscript_warning='<noscript><span class="LC_warning"><b>'
925: .&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.')
926: .'</b></span></noscript>';
927: my $helpdeskscript;
928: my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail,
929: $authdomain,\$helpdeskscript,
930: $showhelpdesk,\@possdoms);
931:
932: my $mobileargs;
933: if ($clientmobile) {
934: $mobileargs = 'autocapitalize="off" autocorrect="off"';
935: }
936: my $loginform=(<<LFORM);
1.184 raeburn 937: <form name="client" action="" onsubmit="return(send())" id="lclogin">
1.160 kruse 938: <input type="hidden" name="lextkey" value="$lextkey" />
939: <input type="hidden" name="uextkey" value="$uextkey" />
940: <b><label for="uname">$lt{'un'}</label>:</b><br />
941: <input type="text" name="uname" id="uname" size="15" value="$authusername" readonly="readonly" $mobileargs /><br />
942: <b><label for="upass$now">$lt{'pw'}</label>:</b><br />
943: <input type="password" name="upass$now" id="upass$now" size="15" readonly="readonly" /><br />
944: <b><label for="udom">$lt{'dom'}</label>:</b><br />
945: <input type="text" name="udom" id="udom" size="15" value="$authdomain" readonly="readonly" $mobileargs /><br />
946: <input type="submit" value="$lt{'log'}" />
947: </form>
948: LFORM
949:
950: if ($showbanner) {
1.194 raeburn 951: my $alttext = &Apache::loncommon::designparm('login.alttext_img',$domain);
952: if ($alttext eq '') {
953: $alttext = 'The Learning Online Network with CAPA';
954: }
1.160 kruse 955: $r->print(<<HEADER);
956: <!-- The LON-CAPA Header -->
1.209 raeburn 957: <div style="background:$pgbg;margin:0;width:100%;" role="banner">
958: <h1 style="padding:0;margin:0">
1.194 raeburn 959: <img src="$img" border="0" alt="$alttext" class="LC_maxwidth" id="lcloginbanner" />
1.209 raeburn 960: </h1>
1.160 kruse 961: </div>
962: HEADER
1.209 raeburn 963: } else {
964: $r->print('<div role="banner" class="LC_visually_hidden" tabindex="-1">'.
965: '<h1>'.&mt('LON-CAPA Login Page').'</h1></div>');
1.160 kruse 966: }
1.184 raeburn 967:
968: my $stdauthformstyle = 'inline-block';
969: my $ssoauthstyle = 'none';
1.202 raeburn 970: my $sso_onclick;
1.184 raeburn 971: my $logintype;
1.209 raeburn 972: $r->print('<div style="float:left;margin-top:0;" role="main">');
1.184 raeburn 973: if ($saml_landing) {
974: $ssoauthstyle = 'inline-block';
975: $stdauthformstyle = 'none';
976: $logintype = $samlssotext;
977: my $ssologin = '/adm/sso';
978: if ($samlssourl ne '') {
979: $ssologin = $samlssourl;
980: }
1.202 raeburn 981: my $ssologin_for_js = &js_escape($ssologin);
982: my $querystr_for_js;
1.192 raeburn 983: if (($logtoken eq 'con_lost') || ($logtoken eq 'no_such_host')) {
984: my $querystring;
985: if ($env{'form.firsturl'} ne '') {
986: $querystring = 'origurl=';
987: if ($env{'form.firsturl'} =~ /[^\x00-\xFF]/) {
988: $querystring .= &uri_escape_utf8($env{'form.firsturl'});
989: } else {
990: $querystring .= &uri_escape($env{'form.firsturl'});
991: }
992: $querystring = &HTML::Entities::encode($querystring,"'");
993: }
994: if ($env{'form.ltoken'} ne '') {
995: $querystring .= (($querystring eq '')?'':'&') . 'ltoken='.
996: &HTML::Entities::encode(&uri_escape($env{'form.ltoken'}));
997: } elsif ($env{'form.linkkey'}) {
998: $querystring .= (($querystring eq '')?'':'&') . 'linkkey='.
999: &HTML::Entities::encode(&uri_escape($env{'form.linkkey'}));
1000: }
1001: if ($querystring ne '') {
1002: $ssologin .= (($ssologin=~/\?/)?'&':'?') . $querystring;
1.202 raeburn 1003: $querystr_for_js = &js_escape($querystring);
1.188 raeburn 1004: }
1.192 raeburn 1005: } elsif ($logtoken ne '') {
1006: $ssologin .= (($ssologin=~/\?/)?'&':'?') . 'logtoken='.$logtoken;
1.202 raeburn 1007: $querystr_for_js = &js_escape('logtoken='.$logtoken);
1.191 raeburn 1008: }
1.184 raeburn 1009: my $ssohref;
1.202 raeburn 1010: if ($samlwindow) {
1011: $sso_onclick = <<"ENDJS";
1012: if (document.getElementById('LC_sso_login_link')) {
1013: var ssoelem = document.getElementById('LC_sso_login_link')
1014: ssoelem.addEventListener('click',samlWinFunction,false);
1015: var windows = {};
1016: function samlWinFunction(evt) {
1017: evt.preventDefault();
1018: var url = '$ssologin_for_js';
1019: var name = 'lcssowin';
1020: var querystr = '$querystr_for_js';
1021: if (querystr) {
1022: url += '?'+querystr+'&lcssowin=1';
1023: } else {
1024: url += '?lcssowin=1';
1025: }
1026: if ((typeof windows[name] !== 'undefined') && (!windows[name].closed)) {
1027: windows[name].close();
1028: }
1029: windows[name]=window.open(url,name,'width=350,height=600');
1030: windows[name].focus();
1031: return false;
1032: }
1033: }
1034: ENDJS
1035: }
1.184 raeburn 1036: if ($samlssoimg ne '') {
1.202 raeburn 1037: $ssohref = '<a href="'.$ssologin.'" title="'.$samltooltip.'" id="LC_sso_login_link">'.
1.194 raeburn 1038: '<img src="'.$samlssoimg.'" alt="'.$samlssoalt.'" id="lcssobutton" /></a>';
1.184 raeburn 1039: } else {
1.202 raeburn 1040: $ssohref = '<a href="'.$ssologin.'" id="LC_sso_login_link">'.$samlssotext.'</a>';
1.184 raeburn 1041: }
1042: if (($env{'form.saml'} eq 'no') ||
1043: (($env{'form.username'} ne '') && ($env{'form.domain'} ne ''))) {
1044: $ssoauthstyle = 'none';
1045: $stdauthformstyle = 'inline-block';
1046: $logintype = $samlnonsso;
1047: }
1048: $r->print(<<ENDSAML);
1049: <p>
1050: Log-in type:
1051: <span style="font-weight:bold" id="LC_login_text">$logintype</span><br />
1052: <span><a href="javascript:toggleLClogin();" style="color:#000000">$lt{'change'}</a></span>
1053: </p>
1054: <div style="display:$ssoauthstyle" id="LC_SSO_login">
1055: <div class="LC_Box" style="padding-top: 10px;">
1056: $ssohref
1057: $noscript_warning
1058: </div>
1059: <div class="LC_Box" style="padding-top: 10px;">
1060: $loginhelp
1061: $contactblock
1062: $coursecatalog
1063: </div>
1064: </div>
1065: ENDSAML
1.191 raeburn 1066: } else {
1067: if ($env{'form.ltoken'}) {
1068: &Apache::lonnet::tmpdel($env{'form.ltoken'});
1069: delete($env{'form.ltoken'});
1070: }
1.184 raeburn 1071: }
1.196 raeburn 1072: my $in_frame_js;
1073: if ($linkprot_for_login) {
1074: my ($linkprotector,$linkproturi) = split(/:/,$linkprot_for_login,2);
1075: if (($linkprotector =~ /^\d+(c|d)$/) && ($linkproturi =~ m{^/+tiny/+$LONCAPA::match_domain/+\w+$})) {
1076: my $set_target;
1.198 raeburn 1077: if (($env{'form.retry'}) || ($env{'form.sso'})) {
1.196 raeburn 1078: if ($linkproturi eq $env{'form.firsturl'}) {
1079: $set_target = " document.server.target = '_self';";
1080: }
1081: } else {
1082: $set_target = <<ENDTARG;
1083: var linkproturi = '$linkproturi';
1084: var path = document.location.pathname.replace( new RegExp('^/adm/launch'),'');
1085: if (linkproturi == path) {
1086: document.server.target = '_self';
1087: }
1088: ENDTARG
1089: }
1090: $in_frame_js = <<ENDJS;
1091: <script type="text/javascript">
1092: // <![CDATA[
1093: if ((window.self !== window.top) && (document.server.target != '_self')) {
1094: $set_target
1.202 raeburn 1095: $sso_onclick
1.196 raeburn 1096: }
1097: // ]]>
1098: </script>
1099: ENDJS
1100: }
1.202 raeburn 1101: } elsif ($samlwindow) {
1102: $in_frame_js = <<ENDJS;
1103: <script type="text/javascript">
1104: // <![CDATA[
1105: if ((window.self !== window.top) && (document.server.target != '_self')) {
1106: $sso_onclick
1107: }
1108: // ]]>
1109: </script>
1110: ENDJS
1.196 raeburn 1111: }
1.184 raeburn 1112:
1113: $r->print(<<ENDLOGIN);
1114: <div style="display:$stdauthformstyle;" id="LC_standard_login">
1.160 kruse 1115: <div class="LC_Box" style="background:$loginbox_bg;">
1116: $logintitle
1117: $loginform
1118: $noscript_warning
1119: </div>
1120:
1121: <div class="LC_Box" style="padding-top: 10px;">
1122: $loginhelp
1123: $forgotpw
1124: $contactblock
1125: $newuserlink
1126: $coursecatalog
1127: </div>
1128: </div>
1129:
1.184 raeburn 1130: ENDLOGIN
1131: $r->print('</div><div>'."\n");
1.160 kruse 1132: if ($showmainlogo) {
1.194 raeburn 1133: my $alttext = &Apache::loncommon::designparm('login.alttext_logo',$domain);
1134: $r->print(' <img src="'.$logo.'" alt="'.$alttext.'" class="LC_maxwidth" id="lcloginmainlogo" />'."\n");
1.160 kruse 1135: }
1136: $r->print(<<ENDTOP);
1137: $announcements
1138: </div>
1139: <hr style="clear:both;" />
1140: ENDTOP
1.209 raeburn 1141: my ($domainrow,$serverrow,$loadrow,$userloadrow,$versioninfo);
1.160 kruse 1142: $domainrow = <<"END";
1143: <tr>
1.209 raeburn 1144: <th align="left" valign="top">
1.160 kruse 1145: <small><b>$lt{'dom'}: </b></small>
1.209 raeburn 1146: </th>
1.210 ! raeburn 1147: <td align="left" valign="top">
1.160 kruse 1148: <small><tt> $domain</tt></small>
1149: </td>
1150: </tr>
1151: END
1152: $serverrow = <<"END";
1153: <tr>
1.209 raeburn 1154: <th align="left" valign="top">
1.160 kruse 1155: <small><b>$lt{'serv'}: </b></small>
1.209 raeburn 1156: </th>
1.160 kruse 1157: <td align="left" valign="top">
1158: <small><tt> $lonhost ($role)</tt></small>
1159: </td>
1160: </tr>
1161: END
1162: if ($loadlim) {
1163: $loadrow = <<"END";
1164: <tr>
1.209 raeburn 1165: <th align="left" valign="top">
1.160 kruse 1166: <small><b>$lt{'load'}: </b></small>
1.209 raeburn 1167: </th>
1.160 kruse 1168: <td align="left" valign="top">
1169: <small><tt> $loadpercent $lt{'perc'}</tt></small>
1170: </td>
1171: </tr>
1172: END
1173: }
1174: if ($uloadlim) {
1175: $userloadrow = <<"END";
1176: <tr>
1.209 raeburn 1177: <th align="left" valign="top">
1.160 kruse 1178: <small><b>$lt{'userload'}: </b></small>
1.209 raeburn 1179: </th>
1.160 kruse 1180: <td align="left" valign="top">
1181: <small><tt> $userloadpercent $lt{'perc'}</tt></small>
1182: </td>
1183: </tr>
1184: END
1185: }
1186: if (($version ne '') && ($version ne '<!-- VERSION -->')) {
1.209 raeburn 1187: $versioninfo = "<small>$version</small>";
1.160 kruse 1188: }
1189:
1190: $r->print(<<ENDDOCUMENT);
1.209 raeburn 1191: <div role="contentinfo" style="padding:0;clear:both;margin:0;border:0">
1.160 kruse 1192: <div style="float: left;">
1193: <table border="0" cellspacing="0" cellpadding="0">
1194: $domainrow
1195: $serverrow
1196: $loadrow
1197: $userloadrow
1198: </table>
1.209 raeburn 1199: $versioninfo
1.160 kruse 1200: </div>
1201: <div style="float: right;">
1202: $domainlogo
1203: </div>
1.209 raeburn 1204: </div>
1.160 kruse 1205: <br style="clear:both;" />
1206: </div>
1207:
1.197 raeburn 1208: $in_frame_js
1.160 kruse 1209: <script type="text/javascript">
1210: // <![CDATA[
1211: // the if prevents the script error if the browser can not handle this
1212: if ( document.client.uname ) { document.client.uname.focus(); }
1213: // ]]>
1214: </script>
1215: $helpdeskscript
1216:
1217: ENDDOCUMENT
1218: my %endargs = ( 'noredirectlink' => 1, );
1219: $r->print(&Apache::loncommon::end_page(\%endargs));
1220: return OK;
1221: }
1222:
1223: sub check_loginvia {
1.193 raeburn 1224: my ($domain,$lonhost,$lonidsdir,$balcookie) = @_;
1.176 raeburn 1225: if ($domain eq '' || $lonhost eq '' || $lonidsdir eq '') {
1.160 kruse 1226: return;
1227: }
1228: my %domconfhash = &Apache::loncommon::get_domainconf($domain);
1229: my $loginvia = $domconfhash{$domain.'.login.loginvia_'.$lonhost};
1230: my $loginvia_exempt = $domconfhash{$domain.'.login.loginvia_exempt_'.$lonhost};
1231: my $output;
1232: if ($loginvia ne '') {
1233: my $noredirect;
1.182 raeburn 1234: my $ip = &Apache::lonnet::get_requestor_ip();
1.160 kruse 1235: if ($ip eq '127.0.0.1') {
1236: $noredirect = 1;
1237: } else {
1238: if ($loginvia_exempt ne '') {
1239: my @exempt = split(',',$loginvia_exempt);
1240: if (grep(/^\Q$ip\E$/,@exempt)) {
1241: $noredirect = 1;
1242: }
1243: }
1244: }
1245: unless ($noredirect) {
1246: my ($newhost,$path);
1247: if ($loginvia =~ /:/) {
1248: ($newhost,$path) = split(':',$loginvia);
1249: } else {
1250: $newhost = $loginvia;
1251: }
1252: if ($newhost ne $lonhost) {
1253: if (&Apache::lonnet::hostname($newhost) ne '') {
1.176 raeburn 1254: if ($balcookie) {
1255: my ($balancer,$cookie) = split(/:/,$balcookie);
1256: if ($cookie =~ /^($match_domain)_($match_username)_([a-f0-9]+)$/) {
1257: my ($udom,$uname,$cookieid) = ($1,$2,$3);
1258: unless (&Apache::lonnet::delbalcookie($cookie,$balancer) eq 'ok') {
1259: if ((-d $lonidsdir) && (opendir(my $dh,$lonidsdir))) {
1260: while (my $filename=readdir($dh)) {
1261: if ($filename=~/^(\Q$uname\E_\d+_\Q$udom\E_$match_lonid)\.id$/) {
1262: my $handle = $1;
1263: my %hash =
1264: &Apache::lonnet::get_sessionfile_vars($handle,$lonidsdir,
1265: ['request.balancercookie',
1266: 'user.linkedenv']);
1267: if ($hash{'request.balancercookie'} eq "$balancer:$cookieid") {
1268: if (unlink("$lonidsdir/$filename")) {
1269: if (($hash{'user.linkedenv'} =~ /^[a-f0-9]+_linked$/) &&
1270: (-l "$lonidsdir/$hash{'user.linkedenv'}.id") &&
1271: (readlink("$lonidsdir/$hash{'user.linkedenv'}.id") eq "$lonidsdir/$filename")) {
1272: unlink("$lonidsdir/$hash{'user.linkedenv'}.id");
1273: }
1274: }
1275: }
1276: last;
1277: }
1278: }
1279: closedir($dh);
1280: }
1281: }
1282: }
1283: }
1.193 raeburn 1284: $output = &redirect_page($newhost,$path);
1.160 kruse 1285: }
1286: }
1287: }
1288: }
1289: return $output;
1290: }
1291:
1292: sub redirect_page {
1.193 raeburn 1293: my ($desthost,$path) = @_;
1.178 raeburn 1294: my $hostname = &Apache::lonnet::hostname($desthost);
1.160 kruse 1295: my $protocol = $Apache::lonnet::protocol{$desthost};
1296: $protocol = 'http' if ($protocol ne 'https');
1297: unless ($path =~ m{^/}) {
1298: $path = '/'.$path;
1299: }
1.178 raeburn 1300: my $url = $protocol.'://'.$hostname.$path;
1.200 raeburn 1301: my $args = {};
1.199 raeburn 1302: if ($env{'form.firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
1303: $url = $protocol.'://'.$hostname.$env{'form.firsturl'};
1304: if (($env{'form.ltoken'}) || ($env{'form.linkprot'} ne '') ||
1305: ($env{'form.linkkey'} ne '')) {
1306: my %link_info;
1307: if ($env{'form.ltoken'}) {
1308: %link_info = &Apache::lonnet::tmpget($env{'form.ltoken'});
1309: &Apache::lonnet::tmpdel($env{'form.ltoken'});
1.200 raeburn 1310: $args->{'only_body'} = 1;
1.199 raeburn 1311: } elsif ($env{'form.linkprot'}) {
1312: $link_info{'linkprot'} = $env{'form.linkprot'};
1.206 raeburn 1313: foreach my $item ('linkprotuser','linkprotexit','linkprotpbid','linkprotpburl') {
1.201 raeburn 1314: if ($env{'form.'.$item}) {
1315: $link_info{$item} = $env{'form.'.$item};
1316: }
1.199 raeburn 1317: }
1.200 raeburn 1318: $args->{'only_body'} = 1;
1.199 raeburn 1319: } elsif ($env{'form.linkkey'} ne '') {
1320: $link_info{'linkkey'} = $env{'form.linkkey'};
1321: }
1322: my $token = &Apache::lonnet::tmpput(\%link_info,$desthost,'link');
1323: unless (($token eq 'con_lost') || ($token eq 'refused') ||
1324: ($token eq 'unknown_cmd') || ($token eq 'no_such_host')) {
1325: $url .= '?ltoken='.$token;
1326: }
1327: }
1328: } else {
1.188 raeburn 1329: my $querystring;
1.199 raeburn 1330: if ($env{'form.firsturl'} ne '') {
1331: if ($env{'form.firsturl'} =~ /[^\x00-\xFF]/) {
1332: $querystring = &uri_escape_utf8($env{'form.firsturl'});
1333: } else {
1334: $querystring = &uri_escape($env{'form.firsturl'});
1335: }
1336: $querystring = &HTML::Entities::encode($querystring,"'");
1337: $querystring = '?firsturl='.$querystring;
1.188 raeburn 1338: }
1.193 raeburn 1339: if ($env{'form.ltoken'}) {
1.199 raeburn 1340: my %link_info = &Apache::lonnet::tmpget($env{'form.ltoken'});
1341: &Apache::lonnet::tmpdel($env{'form.ltoken'});
1342: my $token = &Apache::lonnet::tmpput(\%link_info,$desthost,'link');
1343: unless (($token eq 'con_lost') || ($token eq 'refused') || ($token =~ /^error:/) ||
1344: ($token eq 'unknown_cmd') || ($token eq 'no_such_host')) {
1345: unless (($path eq '/adm/roles') || ($path eq '/adm/login')) {
1346: $url = $protocol.'://'.$hostname.'/adm/roles';
1347: }
1348: $querystring .= (($querystring =~/^\?/)?'&':'?') . 'ttoken='.$token;
1349: }
1.177 raeburn 1350: }
1.199 raeburn 1351: $url .= $querystring;
1.177 raeburn 1352: }
1.207 raeburn 1353: $args->{'redirect'} = [0,$url,'','',1];
1.200 raeburn 1354: my $start_page = &Apache::loncommon::start_page('Switching Server ...',undef,$args);
1.160 kruse 1355: my $end_page = &Apache::loncommon::end_page();
1356: return $start_page.$end_page;
1357: }
1358:
1359: sub contactdisplay {
1360: my ($lt,$servadm,$showadminmail,$authdomain,$helpdeskscript,$showhelpdesk,
1361: $possdoms) = @_;
1362: my $contactblock;
1363: my $origmail;
1364: if (ref($possdoms) eq 'ARRAY') {
1365: if (grep(/^\Q$authdomain\E$/,@{$possdoms})) {
1366: $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
1367: }
1368: }
1369: my $requestmail =
1370: &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
1371: $authdomain,$origmail);
1372: unless ($showhelpdesk eq '0') {
1373: if ($requestmail =~ m/[^\@]+\@[^\@]+/) {
1374: $showhelpdesk = 1;
1375: } else {
1376: $showhelpdesk = 0;
1377: }
1378: }
1379: if ($servadm && $showadminmail) {
1380: $contactblock .= $$lt{'servadm'}.':<br />'.
1381: '<tt>'.$servadm.'</tt><br />';
1382: }
1383: if ($showhelpdesk) {
1384: $contactblock .= '<a href="javascript:helpdesk()">'.$lt->{'helpdesk'}.'</a><br />';
1385: my $thisurl = &escape('/adm/login');
1386: $$helpdeskscript = <<"ENDSCRIPT";
1387: <script type="text/javascript">
1388: // <![CDATA[
1389: function helpdesk() {
1390: var possdom = document.client.udom.value;
1391: var codedom = possdom.replace( new RegExp("[^A-Za-z0-9.\\-]","g"),'');
1392: if (codedom == '') {
1393: codedom = "$authdomain";
1394: }
1395: var querystr = "origurl=$thisurl&codedom="+codedom;
1396: document.location.href = "/adm/helpdesk?"+querystr;
1397: return;
1398: }
1399: // ]]>
1400: </script>
1401: ENDSCRIPT
1402: }
1403: return $contactblock;
1404: }
1405:
1406: sub forgotpwdisplay {
1407: my (%lt) = @_;
1408: my $prompt_for_resetpw = 1;
1409: if ($prompt_for_resetpw) {
1410: return '<a href="/adm/resetpw">'.$lt{'forgotpw'}.'</a>';
1411: }
1412: return;
1413: }
1414:
1415: sub coursecatalog_link {
1416: my ($linkname) = @_;
1417: return <<"END";
1418: <a href="/adm/coursecatalog">$linkname</a>
1419: END
1420: }
1421:
1422: sub newuser_link {
1423: my ($linkname) = @_;
1424: return '<a href="/adm/createaccount">'.$linkname.'</a>';
1425: }
1426:
1.192 raeburn 1427: sub decode_token {
1428: my ($info) = @_;
1429: my ($firsturl,@rest)=split(/\&/,$info);
1430: my %form;
1431: if ($firsturl ne '') {
1432: $form{'firsturl'} = &unescape($firsturl);
1433: }
1434: foreach my $item (@rest) {
1435: my ($key,$value) = split(/=/,$item);
1436: $form{$key} = &unescape($value);
1437: }
1438: return %form;
1439: }
1440:
1.160 kruse 1441: 1;
1442: __END__
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