Annotation of loncom/auth/lonlogin.pm, revision 1.127
1.1 albertel 1: # The LearningOnline Network
2: # Login Screen
1.11 www 3: #
1.127 ! raeburn 4: # $Id: lonlogin.pm,v 1.126 2009/10/06 21:58:30 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/';
40: use LONCAPA;
41:
1.1 albertel 42: sub handler {
43: my $r = shift;
1.71 albertel 44:
45: &Apache::loncommon::get_unprocessed_cgi
1.79 albertel 46: (join('&',$ENV{'QUERY_STRING'},$env{'request.querystring'},
47: $ENV{'REDIRECT_QUERY_STRING'}),
1.71 albertel 48: ['interface','username','domain','firsturl','localpath','localres',
1.123 raeburn 49: 'token','role','symb']);
1.102 raeburn 50: if (!defined($env{'form.firsturl'})) {
51: &Apache::lonacc::get_posted_cgi($r,['firsturl']);
52: }
1.71 albertel 53:
54: # -- check if they are a migrating user
55: if (defined($env{'form.token'})) {
56: return &Apache::migrateuser::handler($r);
57: }
58:
1.53 www 59: &Apache::loncommon::no_cache($r);
60: &Apache::lonlocal::get_language_handle($r);
1.54 www 61: &Apache::loncommon::content_type($r,'text/html');
1.1 albertel 62: $r->send_http_header;
63: return OK if $r->header_only;
64:
1.49 www 65:
66: # Are we re-routing?
67: if (-e '/home/httpd/html/lon-status/reroute.txt') {
68: &Apache::lonauth::reroute($r);
69: return OK;
70: }
1.55 www 71:
1.71 albertel 72:
1.55 www 73: # -------------------------------- Prevent users from attempting to login twice
1.95 albertel 74: my $handle = &Apache::lonnet::check_for_valid_session($r);
75: if ($handle=~/^publicuser\_/) {
1.70 www 76: # For "public user" - remove it, we apparently really want to login
1.95 albertel 77: unlink($r->dir_config('lonIDsDir')."/$handle.id");
78: } elsif ($handle ne '') {
1.55 www 79: # Indeed, a valid token is found
1.95 albertel 80: my $start_page =
81: &Apache::loncommon::start_page('Already logged in');
82: my $end_page =
83: &Apache::loncommon::end_page();
1.125 raeburn 84: my $dest = '/adm/roles';
85: if ($env{'form.firsturl'} ne '') {
86: $dest = $env{'form.firsturl'};
87: }
1.100 bisitz 88: $r->print(
89: $start_page
1.103 bisitz 90: .'<h1>'.&mt('You are already logged in!').'</h1>'
1.117 hauer 91: .'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].',
1.125 raeburn 92: '<a href="'.$dest.'">','</a>','<a href="/adm/logout">','</a>').'</p>'
1.100 bisitz 93: .'<p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'
94: .$end_page
95: );
1.95 albertel 96: return OK;
1.55 www 97: }
98:
99: # ---------------------------------------------------- No valid token, continue
1.16 www 100:
1.70 www 101: # ---------------------------- Not possible to really login to domain "public"
102: if ($env{'form.domain'} eq 'public') {
103: $env{'form.domain'}='';
104: $env{'form.username'}='';
105: }
1.32 www 106: # ----------------------------------------------------------- Process Interface
1.63 albertel 107: $env{'form.interface'}=~s/\W//g;
1.16 www 108:
1.32 www 109: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
1.94 albertel 110:
111: my $iconpath=
112: &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
113:
1.126 raeburn 114: my $lonhost = $r->dir_config('lonHostID');
1.87 raeburn 115: my $domain = &Apache::lonnet::default_login_domain();
1.127 ! raeburn 116: my %domconfhash = &Apache::loncommon::get_domainconf($domain);
1.126 raeburn 117: if ($lonhost ne '') {
1.127 ! raeburn 118: my $loginvia = $domconfhash{$domain.'.login.loginvia_'.$lonhost};
! 119: if (($loginvia ne '') && ($loginvia ne $lonhost)) {
! 120: my %servers = &Apache::lonnet::get_servers($domain);
! 121: if ($servers{$loginvia} ne '') {
! 122: $r->print(&redirect_page($loginvia));
! 123: return OK;
1.126 raeburn 124: }
125: }
126: }
127:
1.63 albertel 128: if (($env{'form.domain'}) &&
1.89 albertel 129: (&Apache::lonnet::domain($env{'form.domain'},'description'))) {
1.63 albertel 130: $domain=$env{'form.domain'};
1.46 www 131: }
1.1 albertel 132: my $role = $r->dir_config('lonRole');
133: my $loadlim = $r->dir_config('lonLoadLim');
1.90 raeburn 134: my $servadm = $r->dir_config('lonAdmEMail');
1.1 albertel 135: my $tabdir = $r->dir_config('lonTabDir');
1.6 www 136: my $include = $r->dir_config('lonIncludes');
1.37 www 137: my $expire = $r->dir_config('lonExpire');
1.44 www 138: my $version = $r->dir_config('lonVersion');
1.88 albertel 139: my $host_name = &Apache::lonnet::hostname($lonhost);
1.1 albertel 140:
1.30 www 141: # --------------------------------------------- Default values for login fields
142:
1.63 albertel 143: my $authusername=($env{'form.username'}?$env{'form.username'}:'');
144: my $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain);
1.30 www 145:
146: # ---------------------------------------------------------- Determine own load
1.1 albertel 147: my $loadavg;
1.41 albertel 148: {
149: my $loadfile=Apache::File->new('/proc/loadavg');
150: $loadavg=<$loadfile>;
151: }
1.1 albertel 152: $loadavg =~ s/\s.*//g;
1.57 matthew 153: my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
1.41 albertel 154: my $userloadpercent=&Apache::lonnet::userload();
1.1 albertel 155:
1.30 www 156: # ------------------------------------------------------- Do the load balancing
1.80 albertel 157: my $otherserver= &Apache::lonnet::absolute_url($host_name);
1.31 www 158: my $firsturl=
1.63 albertel 159: ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'});
1.97 albertel 160: # ---------------------------------------------------------- Are we overloaded?
161: if ((($userloadpercent>100.0)||($loadpercent>100.0))) {
1.47 albertel 162: my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent);
163: if ($unloaded) { $otherserver=$unloaded; }
1.1 albertel 164: }
1.6 www 165:
1.45 www 166: # ----------------------------------------------------------- Get announcements
167: my $announcements=&Apache::lonnet::getannounce();
1.6 www 168: # -------------------------------------------------------- Set login parameters
169:
170: my @hexstr=('0','1','2','3','4','5','6','7',
171: '8','9','a','b','c','d','e','f');
172: my $lkey='';
173: for (0..7) {
174: $lkey.=$hexstr[rand(15)];
175: }
176:
177: my $ukey='';
178: for (0..7) {
179: $ukey.=$hexstr[rand(15)];
180: }
181:
182: my $lextkey=hex($lkey);
1.15 www 183: if ($lextkey>2147483647) { $lextkey-=4294967296; }
184:
1.6 www 185: my $uextkey=hex($ukey);
1.15 www 186: if ($uextkey>2147483647) { $uextkey-=4294967296; }
187:
1.31 www 188: # -------------------------------------------------------- Store away log token
1.123 raeburn 189: my $tokenextras;
190: if ($env{'form.role'}) {
191: $tokenextras = '&role='.&escape($env{'form.role'});
192: }
193: if ($env{'form.symb'}) {
1.124 raeburn 194: if (!$tokenextras) {
195: $tokenextras = '&';
196: }
1.123 raeburn 197: $tokenextras .= '&symb='.&escape($env{'form.symb'});
198: }
1.6 www 199: my $logtoken=Apache::lonnet::reply(
1.123 raeburn 200: 'tmpput:'.$ukey.$lkey.'&'.$firsturl.$tokenextras,
1.6 www 201: $lonhost);
1.31 www 202:
203: # ------------------- If we cannot talk to ourselves, we are in serious trouble
204:
205: if ($logtoken eq 'con_lost') {
206: my $spares='';
1.64 albertel 207: my $last;
208: foreach my $hostid (sort
209: {
1.88 albertel 210: &Apache::lonnet::hostname($a) cmp
211: &Apache::lonnet::hostname($b);
1.64 albertel 212: }
213: keys(%Apache::lonnet::spareid)) {
1.58 matthew 214: next if ($hostid eq $lonhost);
1.88 albertel 215: my $hostname = &Apache::lonnet::hostname($hostid);
216: next if ($last eq $hostname);
1.58 matthew 217: $spares.='<br /><font size="+1"><a href="http://'.
1.88 albertel 218: $hostname.
1.58 matthew 219: '/adm/login?domain='.$authdomain.'">'.
1.88 albertel 220: $hostname.'</a>'.
1.106 bisitz 221: ' '.&mt('(preferred)').'</font>'.$/;
1.88 albertel 222: $last=$hostname;
1.58 matthew 223: }
1.107 tempelho 224: $spares.= '<br />';
225: my %all_hostnames = &Apache::lonnet::all_hostnames();
226: foreach my $hostid (sort
227: {
228: &Apache::lonnet::hostname($a) cmp
229: &Apache::lonnet::hostname($b);
230: }
231: keys(%all_hostnames)) {
232: next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid});
233: my $hostname = &Apache::lonnet::hostname($hostid);
234: next if ($last eq $hostname);
235: $spares.='<br /><a href="http://'.
236: $hostname.
237: '/adm/login?domain='.$authdomain.'">'.
238: $hostname.'</a>';
239: $last=$hostname;
240: }
241: $r->print(
242: '<html>'
243: .'<head><title>'
244: .&mt('The LearningOnline Network with CAPA')
245: .'</title></head>'
246: .'<body bgcolor="#FFFFFF">'
247: .'<h1>'.&mt('The LearningOnline Network with CAPA').'</h1>'
248: .'<img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />'
249: .'<h3>'.&mt('This LON-CAPA server is temporarily not available for login.').'</h3>'
250: .'<p>'.&mt('Please attempt to login to one of the following servers:').'</p>'
251: .$spares
252: .'</body>'
253: .'</html>'
254: );
255: return OK;
256: }
1.31 www 257:
258: # ----------------------------------------------- Apparently we are in business
1.107 tempelho 259: $servadm=~s/\,/\<br \/\>/g;
1.38 www 260:
1.21 www 261: # ----------------------------------------------------------- Front page design
1.119 tempelho 262: my $pgbg=&Apache::loncommon::designparm('login.pgbg',$domain);
263: my $font=&Apache::loncommon::designparm('login.font',$domain);
264: my $link=&Apache::loncommon::designparm('login.link',$domain);
265: my $vlink=&Apache::loncommon::designparm('login.vlink',$domain);
1.107 tempelho 266: my $alink=&Apache::loncommon::designparm('login.alink',$domain);
1.119 tempelho 267: my $mainbg=&Apache::loncommon::designparm('login.mainbg',$domain);
1.107 tempelho 268: my $logo=&Apache::loncommon::designparm('login.logo',$domain);
269: my $img=&Apache::loncommon::designparm('login.img',$domain);
270: my $domainlogo=&Apache::loncommon::domainlogo($domain);
271: my $login=&Apache::loncommon::designparm('login.login',$domain);
272: if ($login eq '') {
273: $login = $iconpath.'/'.&mt('userauthentication.gif');
274: }
1.109 raeburn 275: my $showbanner = 1;
276: my $showmainlogo = 1;
277: if (defined(&Apache::loncommon::designparm('login.showlogo_img',$domain))) {
278: $showbanner = &Apache::loncommon::designparm('login.showlogo_img',$domain);
279: }
280: if (defined(&Apache::loncommon::designparm('login.showlogo_logo',$domain))) {
281: $showmainlogo = &Apache::loncommon::designparm('login.showlogo_logo',$domain);
282: }
1.107 tempelho 283: my $showadminmail=&Apache::loncommon::designparm('login.adminmail',$domain);
284: my $showcoursecat =
285: &Apache::loncommon::designparm('login.coursecatalog',$domain);
286: my $loginheader =&Apache::loncommon::designparm('login.loginheader',$domain);
287: my $shownewuserlink =
288: &Apache::loncommon::designparm('login.newuser',$domain);
289: my $now=time;
290: my $js = (<<ENDSCRIPT);
291:
1.116 bisitz 292: <script type="text/javascript" language="JavaScript">
1.122 bisitz 293: // <![CDATA[
1.107 tempelho 294: function send()
295: {
296: this.document.server.elements.uname.value
297: =this.document.client.elements.uname.value;
298:
299: this.document.server.elements.udom.value
300: =this.document.client.elements.udom.value;
301:
302: uextkey=this.document.client.elements.uextkey.value;
303: lextkey=this.document.client.elements.lextkey.value;
304: initkeys();
305:
306: this.document.server.elements.upass0.value
307: =crypted(this.document.client.elements.upass$now.value.substr(0,15));
308: this.document.server.elements.upass1.value
309: =crypted(this.document.client.elements.upass$now.value.substr(15,15));
310: this.document.server.elements.upass2.value
311: =crypted(this.document.client.elements.upass$now.value.substr(30,15));
1.6 www 312:
1.107 tempelho 313: this.document.client.elements.uname.value='';
314: this.document.client.elements.upass$now.value='';
1.6 www 315:
1.107 tempelho 316: this.document.server.submit();
317: return false;
318: }
1.122 bisitz 319: // ]]>
1.107 tempelho 320: </script>
1.98 raeburn 321:
1.16 www 322: ENDSCRIPT
1.6 www 323:
1.98 raeburn 324: # --------------------------------------------------- Print login screen header
325:
1.118 tempelho 326: my %add_entries = (
1.108 tempelho 327: bgcolor => "$mainbg",
1.107 tempelho 328: text => "$font",
329: link => "$link",
330: vlink => "$vlink",
331: alink => "$alink",);
332:
333: $r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',$js,
334: { 'redirect' => [$expire,'/adm/roles'],
335: 'add_entries' => \%add_entries,
336: 'only_body' => 1,}));
1.98 raeburn 337:
338: # ----------------------------------------------------------------------- Texts
339:
340: my %lt=&Apache::lonlocal::texthash(
1.107 tempelho 341: 'un' => 'Username',
342: 'pw' => 'Password',
343: 'dom' => 'Domain',
344: 'perc' => 'percent',
345: 'load' => 'Server Load',
346: 'userload' => 'User Load',
347: 'catalog' => 'Course Catalog',
348: 'log' => 'Log in',
349: 'help' => 'Log-in Help',
350: 'serv' => 'Server',
351: 'servadm' => 'Server Administration',
352: 'helpdesk' => 'Contact Helpdesk',
353: 'forgotpw' => 'Forgot password?',
354: 'newuser' => 'New User?',
1.111 muellerd 355: );
1.98 raeburn 356: # -------------------------------------------------- Change password field name
1.107 tempelho 357: my $forgotpw = &forgotpwdisplay(%lt);
358: my $loginhelp = &loginhelpdisplay(%lt);
1.98 raeburn 359:
360: # ---------------------------------------------------- Serve out DES JavaScript
1.107 tempelho 361: {
362: my $jsh=Apache::File->new($include."/londes.js");
363: $r->print(<$jsh>);
364: }
1.98 raeburn 365: # ---------------------------------------------------------- Serve rest of page
366:
1.107 tempelho 367: $r->print(
368: '<div class="LC_loginpage_container">');
1.6 www 369:
1.120 foxr 370: #
371: # If the loadbalancing yielded just http:// because perhaps there's no loadbalancing?
372: # then just us a relative link to authenticate:
373: #
374:
1.107 tempelho 375: $r->print(<<ENDSERVERFORM);
376: <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">
1.33 www 377: <input type="hidden" name="logtoken" value="$logtoken" />
378: <input type="hidden" name="serverid" value="$lonhost" />
379: <input type="hidden" name="uname" value="" />
1.65 www 380: <input type="hidden" name="upass0" value="" />
381: <input type="hidden" name="upass1" value="" />
382: <input type="hidden" name="upass2" value="" />
1.33 www 383: <input type="hidden" name="udom" value="" />
1.63 albertel 384: <input type="hidden" name="localpath" value="$env{'form.localpath'}" />
385: <input type="hidden" name="localres" value="$env{'form.localres'}" />
1.14 albertel 386: </form>
1.16 www 387: ENDSERVERFORM
1.108 tempelho 388: my $coursecatalog;
389: if (($showcoursecat eq '') || ($showcoursecat)) {
390: $coursecatalog = &coursecatalog_link($lt{'catalog'});
391: }
392: my $newuserlink;
393: if ($shownewuserlink) {
1.114 tempelho 394: $newuserlink = &newuser_link($lt{'newuser'}).'<br />';
1.108 tempelho 395: }
396: my $logintitle;
397: if ($loginheader eq 'text') {
1.113 tempelho 398: $logintitle ='<h2>'.$lt{'log'}.'</h2>';
1.108 tempelho 399: } else {
400: $logintitle = '<img src="'.$login.'" alt="'.
401: &mt('User Authentication').'" />';
402: }
403:
404: my $noscript_warning='<noscript><span class="LC_warning"><b>'
405: .&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.')
406: .'</b></span></noscript>';
407: my $helpdeskscript;
408: my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail,
409: $version,$authdomain,\$helpdeskscript);
1.107 tempelho 410:
1.108 tempelho 411: my $loginform=(<<LFORM);
1.122 bisitz 412: <form name="client" action="" onsubmit="return(send())">
1.115 bisitz 413: <input type="hidden" name="lextkey" value="$lextkey" />
414: <input type="hidden" name="uextkey" value="$uextkey" />
1.108 tempelho 415: <b><label for="uname">$lt{'un'}</label>:</b><br />
1.113 tempelho 416: <input type="text" name="uname" size="15" value="$authusername" /><br />
1.108 tempelho 417: <b><label for="upass$now">$lt{'pw'}</label>:</b><br />
1.113 tempelho 418: <input type="password" name="upass$now" size="15" /><br />
1.108 tempelho 419: <b><label for="udom">$lt{'dom'}</label>:</b><br />
1.113 tempelho 420: <input type="text" name="udom" size="15" value="$authdomain" /><br />
1.108 tempelho 421: <input type="submit" value="$lt{'log'}" />
422: </form>
423: LFORM
424:
1.109 raeburn 425: if ($showbanner) {
426: $r->print(<<HEADER);
427: <!-- The LON-CAPA Header -->
428: <table border="0" align="left" width="100%" cellspacing="0" cellpadding="1">
429: <tr>
430: <td align="left" valign="top" bgcolor="$pgbg">
1.115 bisitz 431: <img src="$img" border="0" alt="The Learning Online Network with CAPA" />
1.109 raeburn 432: </td>
433: </tr>
434: </table>
435: HEADER
436: }
437: $r->print(<<ENDTOP);
1.118 tempelho 438: <div class="LC_loginpage_space"> </div>
439: <div class="LC_loginpage_floatLeft">
1.108 tempelho 440: <div class="LC_loginpage_loginContainer">
1.112 muellerd 441: $logintitle
442: <table border="0" align="left" cellspacing="1" cellpadding="2" width="100%">
1.108 tempelho 443: <tr>
444: <td>
445: $loginform
446: </td>
447: </tr>
448: </table>
449: $noscript_warning
450: </div>
1.107 tempelho 451:
452: <div class="LC_loginpage_loginInfo">
453: $loginhelp<br />
1.114 tempelho 454: $forgotpw<br />
455: $contactblock<br />
456: $newuserlink
1.119 tempelho 457: $coursecatalog
1.107 tempelho 458: </div>
1.118 tempelho 459: </div>
460: ENDTOP
461: if ($showmainlogo) {
462: $r->print(' <img src="'.$logo.'" alt="" />'."\n");
463: }
464: $r->print(<<ENDTOP);
465: $announcements
466: $domainlogo
1.107 tempelho 467: <div class="LC_loginpage_space"> </div>
1.108 tempelho 468: ENDTOP
469:
470: $r->print(<<ENDDOCUMENT);
1.115 bisitz 471: <table border="0" cellspacing="0" cellpadding="0">
1.14 albertel 472: <tr>
1.110 muellerd 473: <td align="left" valign="top">
1.51 www 474: <small><b> $lt{'dom'}: </b></small>
1.14 albertel 475: </td>
1.110 muellerd 476: <td align="left" valign="top">
1.14 albertel 477: <small><tt> $domain</tt></small>
478: </td>
479: </tr>
480: <tr>
1.110 muellerd 481: <td align="left" valign="top">
1.51 www 482: <small><b> $lt{'serv'}: </b></small>
1.14 albertel 483: </td>
1.110 muellerd 484: <td align="left" valign="top">
1.14 albertel 485: <small><tt> $lonhost ($role)</tt></small>
486: </td>
487: </tr>
488: <tr>
1.110 muellerd 489: <td align="left" valign="top">
1.52 www 490: <small><b> $lt{'load'}: </b></small>
1.14 albertel 491: </td>
1.110 muellerd 492: <td align="left" valign="top">
1.51 www 493: <small><tt> $loadpercent $lt{'perc'}</tt></small>
1.42 albertel 494: </td>
495: </tr>
496: <tr>
1.110 muellerd 497: <td align="left" valign="top">
1.52 www 498: <small><b> $lt{'userload'}: </b></small>
1.42 albertel 499: </td>
1.110 muellerd 500: <td align="left" valign="top">
1.51 www 501: <small><tt> $userloadpercent $lt{'perc'}</tt></small>
1.14 albertel 502: </td>
503: </tr>
504: </table>
1.107 tempelho 505: </div>
1.25 bowersj2 506:
1.59 albertel 507: <script type="text/javascript">
1.122 bisitz 508: // <![CDATA[
1.59 albertel 509: // the if prevents the script error if the browser can not handle this
1.25 bowersj2 510: if ( document.client.uname ) { document.client.uname.focus(); }
1.122 bisitz 511: // ]]>
1.25 bowersj2 512: </script>
1.62 raeburn 513: $helpdeskscript
1.14 albertel 514:
1.1 albertel 515: ENDDOCUMENT
1.98 raeburn 516: my %endargs = ( 'noredirectlink' => 1, );
517: $r->print(&Apache::loncommon::end_page(\%endargs));
1.1 albertel 518: return OK;
1.60 raeburn 519: }
520:
1.126 raeburn 521: sub redirect_page {
522: my ($desthost) = @_;
523: my $protocol = $Apache::lonnet::protocol{$desthost};
524: $protocol = 'http' if ($protocol ne 'https');
525: my $url = $protocol.'://'.&Apache::lonnet::hostname($desthost).'/';
526: if ($env{'form.firsturl'} ne '') {
527: $url .='?firsturl='.$env{'form.firsturl'};
528: }
529: my $start_page = &Apache::loncommon::start_page('Switching Server',undef,
530: {'redirect' => [0,$url],});
531: my $end_page = &Apache::loncommon::end_page();
532: return $start_page.$end_page;
533: }
534:
1.60 raeburn 535: sub contactdisplay {
1.90 raeburn 536: my ($lt,$servadm,$showadminmail,$version,$authdomain,$helpdeskscript) = @_;
1.60 raeburn 537: my $contactblock;
1.62 raeburn 538: my $showhelpdesk = 0;
539: my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
540: if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) {
541: $showhelpdesk = 1;
542: }
1.90 raeburn 543: if ($servadm && $showadminmail) {
544: $contactblock .= '<b> '.$$lt{'servadm'}.':</b><br />'.
545: '<tt> '.$servadm.'</tt><br /> <br />';
546: }
1.60 raeburn 547: if ($showhelpdesk) {
1.114 tempelho 548: $contactblock .= '<a href="javascript:helpdesk()">'.$lt->{'helpdesk'}.'</a><br />';
1.75 www 549: my $thisurl = &escape('/adm/login');
1.62 raeburn 550: $$helpdeskscript = <<"ENDSCRIPT";
551: <script type="text/javascript">
1.122 bisitz 552: // <![CDATA[
1.62 raeburn 553: function helpdesk() {
554: var codedom = document.client.udom.value;
555: if (codedom == '') {
556: codedom = "$authdomain";
557: }
558: var querystr = "origurl=$thisurl&codedom="+codedom;
559: document.location.href = "/adm/helpdesk?"+querystr;
560: return;
561: }
1.122 bisitz 562: // ]]>
1.62 raeburn 563: </script>
564: ENDSCRIPT
1.60 raeburn 565: }
566: $contactblock .= <<"ENDBLOCK";
567: $version
568: ENDBLOCK
569: return $contactblock;
570: }
1.83 raeburn 571:
572: sub forgotpwdisplay {
1.84 raeburn 573: my (%lt) = @_;
1.83 raeburn 574: my $prompt_for_resetpw = 1;
575: if ($prompt_for_resetpw) {
1.107 tempelho 576: return '<a href="/adm/resetpw">'.$lt{'forgotpw'}.'</a>';
1.84 raeburn 577: }
578: return;
579: }
580:
581: sub loginhelpdisplay {
582: my (%lt) = @_;
583: my $login_help = 1;
584: if ($login_help) {
1.107 tempelho 585: return '<a href="/adm/loginproblems.html">'.$lt{'help'}.'</a>';
1.83 raeburn 586: }
587: return;
588: }
1.1 albertel 589:
1.90 raeburn 590: sub coursecatalog_link {
591: my ($linkname) = @_;
592: return <<"END";
1.107 tempelho 593: <a href="/adm/coursecatalog">$linkname</a>
1.90 raeburn 594: END
595: }
596:
1.101 raeburn 597: sub newuser_link {
598: my ($linkname) = @_;
599: return ' <a href="/adm/createaccount"><b>'.$linkname.'</b></a><br />';
600: }
601:
1.1 albertel 602: 1;
603: __END__
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