1: # The LearningOnline Network
2: # Login Screen
3: #
4: # $Id: lonlogin.pm,v 1.96 2007/10/02 01:09:59 albertel Exp $
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/';
40: use LONCAPA;
41:
42: sub handler {
43: my $r = shift;
44:
45: &Apache::loncommon::get_unprocessed_cgi
46: (join('&',$ENV{'QUERY_STRING'},$env{'request.querystring'},
47: $ENV{'REDIRECT_QUERY_STRING'}),
48: ['interface','username','domain','firsturl','localpath','localres',
49: 'token']);
50:
51: # -- check if they are a migrating user
52: if (defined($env{'form.token'})) {
53: return &Apache::migrateuser::handler($r);
54: }
55:
56: &Apache::loncommon::no_cache($r);
57: &Apache::lonlocal::get_language_handle($r);
58: &Apache::loncommon::content_type($r,'text/html');
59: $r->send_http_header;
60: return OK if $r->header_only;
61:
62:
63: # Are we re-routing?
64: if (-e '/home/httpd/html/lon-status/reroute.txt') {
65: &Apache::lonauth::reroute($r);
66: return OK;
67: }
68:
69:
70: # -------------------------------- Prevent users from attempting to login twice
71: my $handle = &Apache::lonnet::check_for_valid_session($r);
72: if ($handle=~/^publicuser\_/) {
73: # For "public user" - remove it, we apparently really want to login
74: unlink($r->dir_config('lonIDsDir')."/$handle.id");
75: } elsif ($handle ne '') {
76: # Indeed, a valid token is found
77: my $start_page =
78: &Apache::loncommon::start_page('Already logged in');
79: my $end_page =
80: &Apache::loncommon::end_page();
81: $r->print(<<ENDFAILED);
82: $start_page
83: <h1>You are already logged in</h1>
84: <p>Please either <a href="/adm/roles">continue the current session</a> or
85: <a href="/adm/logout">logout</a>.</p>
86: <p>
87: <a href="/adm/loginproblems.html">Problems?</a></p>
88: $end_page
89: ENDFAILED
90: return OK;
91: }
92:
93: # ---------------------------------------------------- No valid token, continue
94:
95: # ---------------------------- Not possible to really login to domain "public"
96: if ($env{'form.domain'} eq 'public') {
97: $env{'form.domain'}='';
98: $env{'form.username'}='';
99: }
100: # ----------------------------------------------------------- Process Interface
101: $env{'form.interface'}=~s/\W//g;
102:
103: my $textbrowsers=$r->dir_config('lonTextBrowsers');
104: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
105:
106: foreach (split(/\:/,$textbrowsers)) {
107: if ($httpbrowser=~/$_/i) {
108: $env{'form.interface'}='textual';
109: }
110: }
111:
112: my $fullgraph=($env{'form.interface'} ne 'textual');
113:
114: my $iconpath=
115: &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
116:
117: my $domain = &Apache::lonnet::default_login_domain();
118: if (($env{'form.domain'}) &&
119: (&Apache::lonnet::domain($env{'form.domain'},'description'))) {
120: $domain=$env{'form.domain'};
121: }
122: my $role = $r->dir_config('lonRole');
123: my $loadlim = $r->dir_config('lonLoadLim');
124: my $servadm = $r->dir_config('lonAdmEMail');
125: my $lonhost = $r->dir_config('lonHostID');
126: my $tabdir = $r->dir_config('lonTabDir');
127: my $include = $r->dir_config('lonIncludes');
128: my $expire = $r->dir_config('lonExpire');
129: my $version = $r->dir_config('lonVersion');
130: my $host_name = &Apache::lonnet::hostname($lonhost);
131:
132: # --------------------------------------------- Default values for login fields
133:
134: my $authusername=($env{'form.username'}?$env{'form.username'}:'');
135: my $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain);
136:
137: # ---------------------------------------------------------- Determine own load
138: my $loadavg;
139: {
140: my $loadfile=Apache::File->new('/proc/loadavg');
141: $loadavg=<$loadfile>;
142: }
143: $loadavg =~ s/\s.*//g;
144: my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
145: my $userloadpercent=&Apache::lonnet::userload();
146:
147: # ------------------------------------------------------- Do the load balancing
148: my $otherserver= &Apache::lonnet::absolute_url($host_name);
149: my $firsturl=
150: ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'});
151: # ---------------------------------------- Are we access server and overloaded?
152: if (($role eq 'access') &&
153: (($userloadpercent>100.0)||($loadpercent>100.0))) {
154: my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent);
155: if ($unloaded) { $otherserver=$unloaded; }
156: }
157:
158: # ----------------------------------------------------------- Get announcements
159: my $announcements=&Apache::lonnet::getannounce();
160: # -------------------------------------------------------- Set login parameters
161:
162: my @hexstr=('0','1','2','3','4','5','6','7',
163: '8','9','a','b','c','d','e','f');
164: my $lkey='';
165: for (0..7) {
166: $lkey.=$hexstr[rand(15)];
167: }
168:
169: my $ukey='';
170: for (0..7) {
171: $ukey.=$hexstr[rand(15)];
172: }
173:
174: my $lextkey=hex($lkey);
175: if ($lextkey>2147483647) { $lextkey-=4294967296; }
176:
177: my $uextkey=hex($ukey);
178: if ($uextkey>2147483647) { $uextkey-=4294967296; }
179:
180: # -------------------------------------------------------- Store away log token
181: my $logtoken=Apache::lonnet::reply(
182: 'tmpput:'.$ukey.$lkey.'&'.$firsturl,
183: $lonhost);
184:
185: # ------------------- If we cannot talk to ourselves, we are in serious trouble
186:
187: if ($logtoken eq 'con_lost') {
188: my $spares='';
189: my $last;
190: foreach my $hostid (sort
191: {
192: &Apache::lonnet::hostname($a) cmp
193: &Apache::lonnet::hostname($b);
194: }
195: keys(%Apache::lonnet::spareid)) {
196: next if ($hostid eq $lonhost);
197: my $hostname = &Apache::lonnet::hostname($hostid);
198: next if ($last eq $hostname);
199: $spares.='<br /><font size="+1"><a href="http://'.
200: $hostname.
201: '/adm/login?domain='.$authdomain.'">'.
202: $hostname.'</a>'.
203: ' (preferred)</font>'.$/;
204: $last=$hostname;
205: }
206: $spares.= '<br />';
207: my %all_hostnames = &Apache::lonnet::all_hostnames();
208: foreach my $hostid (sort
209: {
210: &Apache::lonnet::hostname($a) cmp
211: &Apache::lonnet::hostname($b);
212: }
213: keys(%all_hostnames)) {
214: next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid});
215: my $hostname = &Apache::lonnet::hostname($hostid);
216: next if ($last eq $hostname);
217: $spares.='<br /><a href="http://'.
218: $hostname.
219: '/adm/login?domain='.$authdomain.'">'.
220: $hostname.'</a>';
221: $last=$hostname;
222: }
223: $r->print(<<ENDTROUBLE);
224: <html>
225: <head><title>The LearningOnline Network with CAPA</title></head>
226: <body bgcolor="#FFFFFF">
227: <img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />
228: <h3>This LON-CAPA server is temporarily not available for login</h3>
229: <p>Please attempt to login to one of the following servers:</p>$spares
230: </body>
231: </html>
232: ENDTROUBLE
233: return OK;
234: }
235:
236: # ----------------------------------------------- Apparently we are in business
237: $servadm=~s/\,/\<br \/\>/g;
238:
239: # --------------------------------------------------- Print login screen header
240: $r->print(<<ENDHEADER);
241: <html>
242: <head>
243: <meta HTTP-EQUIV="Refresh" CONTENT="$expire; url=/adm/roles" />
244: <title>The LearningOnline Network with CAPA Login</title>
245: </head>
246: ENDHEADER
247: # ---------------------------------------------------- Serve out DES JavaScript
248: {
249: my $jsh=Apache::File->new($include."/londes.js");
250: $r->print(<$jsh>);
251: }
252:
253: # ----------------------------------------------------------- Front page design
254: my $pgbg=
255: ($fullgraph?&Apache::loncommon::designparm('login.pgbg',$domain):'#FFFFFF');
256: my $font=
257: ($fullgraph?&Apache::loncommon::designparm('login.font',$domain):'#000000');
258: my $link=
259: ($fullgraph?&Apache::loncommon::designparm('login.link',$domain):'#0000FF');
260: my $vlink=
261: ($fullgraph?&Apache::loncommon::designparm('login.vlink',$domain):'#0000FF');
262: my $alink=&Apache::loncommon::designparm('login.alink',$domain);
263: my $mainbg=
264: ($fullgraph?&Apache::loncommon::designparm('login.mainbg',$domain):'#FFFFFF');
265: my $sidebg=
266: ($fullgraph?&Apache::loncommon::designparm('login.sidebg',$domain):'#FFFFFF');
267: my $logo=&Apache::loncommon::designparm('login.logo',$domain);
268: my $img=&Apache::loncommon::designparm('login.img',$domain);
269: my $domainlogo=&Apache::loncommon::domainlogo($domain);
270: my $showadminmail=&Apache::loncommon::designparm('login.adminmail', $domain);
271: my $showcoursecat =
272: &Apache::loncommon::designparm('login.coursecatalog',$domain);
273:
274:
275: # ----------------------------------------------------------------------- Texts
276:
277: my %lt=&Apache::lonlocal::texthash(
278: 'un' => 'Username',
279: 'pw' => 'Password',
280: 'dom' => 'Domain',
281: 'perc' => 'percent',
282: 'load' => 'Load',
283: 'userload' => 'User Load',
284: 'about' => 'About LON-CAPA',
285: 'access' => 'Accessibility Options',
286: 'catalog' => 'Course Catalog',
287: 'auth' => 'userauthentication.gif',
288: 'log' => 'Log in',
289: 'help' => 'Log-in Help',
290: 'serv' => 'Server',
291: 'servadm' => 'Server Administration',
292: 'helpdesk' => 'Contact Helpdesk',
293: 'forgotpw' => 'Forgot password?');
294: # -------------------------------------------------- Change password field name
295: my $now=time;
296: my $forgotpw = &forgotpwdisplay(%lt);
297: my $loginhelp = &loginhelpdisplay(%lt);
298: # ---------------------------------------------------------- Serve rest of page
299: $r->print(<<ENDSCRIPT);
300:
301: <body bgcolor="$pgbg" text="$font" link="$link" vlink="$vlink" alink="$alink"
302: topmargin=0 leftmargin=0 marginwidth=0 marginheight=0>
303:
304: <script language="JavaScript">
305: function send()
306: {
307: this.document.server.elements.uname.value
308: =this.document.client.elements.uname.value;
309:
310: this.document.server.elements.udom.value
311: =this.document.client.elements.udom.value;
312:
313: this.document.server.elements.imagesuppress.value
314: =this.document.client.elements.imagesuppress.checked;
315:
316: this.document.server.elements.embedsuppress.value
317: =this.document.client.elements.embedsuppress.checked;
318:
319: this.document.server.elements.appletsuppress.value
320: =this.document.client.elements.appletsuppress.checked;
321:
322: this.document.server.elements.fontenhance.value
323: =this.document.client.elements.fontenhance.checked;
324:
325: this.document.server.elements.blackwhite.value
326: =this.document.client.elements.blackwhite.checked;
327:
328: this.document.server.elements.remember.value
329: =this.document.client.elements.remember.checked;
330:
331: uextkey=this.document.client.elements.uextkey.value;
332: lextkey=this.document.client.elements.lextkey.value;
333: initkeys();
334:
335: this.document.server.elements.upass0.value
336: =crypted(this.document.client.elements.upass$now.value.substr(0,15));
337: this.document.server.elements.upass1.value
338: =crypted(this.document.client.elements.upass$now.value.substr(15,15));
339: this.document.server.elements.upass2.value
340: =crypted(this.document.client.elements.upass$now.value.substr(30,15));
341:
342: this.document.client.elements.uname.value='';
343: this.document.client.elements.upass$now.value='';
344:
345: this.document.server.submit();
346: return false;
347: }
348: </script>
349: ENDSCRIPT
350:
351: if ($fullgraph) {
352: $r->print(
353: '<table width="100%" cellpadding=0 cellspacing=0 border=0>');
354: }
355:
356: $r->print(<<ENDSERVERFORM);
357: <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">
358: <input type="hidden" name="logtoken" value="$logtoken" />
359: <input type="hidden" name="serverid" value="$lonhost" />
360: <input type="hidden" name="interface" value="$env{'form.interface'}" />
361: <input type="hidden" name="uname" value="" />
362: <input type="hidden" name="upass0" value="" />
363: <input type="hidden" name="upass1" value="" />
364: <input type="hidden" name="upass2" value="" />
365: <input type="hidden" name="udom" value="" />
366: <input type="hidden" name="imagesuppress" value="" />
367: <input type="hidden" name="appletsuppress" value="" />
368: <input type="hidden" name="embedsuppress" value="" />
369: <input type="hidden" name="fontenhance" value="" />
370: <input type="hidden" name="blackwhite" value="" />
371: <input type="hidden" name="remember" value="" />
372: <input type="hidden" name="localpath" value="$env{'form.localpath'}" />
373: <input type="hidden" name="localres" value="$env{'form.localres'}" />
374: </form>
375: ENDSERVERFORM
376: my $coursecatalog;
377: if (($showcoursecat eq '') || ($showcoursecat)) {
378: $coursecatalog = &coursecatalog_link($lt{'catalog'});
379: }
380: if ($fullgraph) { $r->print(<<ENDTOP);
381: <!-- The LON-CAPA Header -->
382: <tr>
383:
384: <!-- Row 1 Columns 2-4 -->
385: <td width="100%" height=75 colspan=4 align="left" valign="top" bgcolor="$pgbg"><img src="$img" border=0 alt="The Learning Online Network with CAPA" /></td>
386: </tr>
387:
388: <!-- The gray bar that starts the two table frames -->
389: <tr>
390:
391: <!-- Row 2 Column 1 -->
392: <td width=182 height=27 bgcolor="$sidebg"> </td>
393:
394: <!-- Row 2 Column 2 -->
395: <td width=27 height=27 align="left" background="$iconpath/filltop.gif"><img src="$iconpath/upperleft.gif" border=0 alt="" /></td>
396:
397: <!-- Row 2 Column 3 -->
398: <td height=27 background="$iconpath/filltop.gif"><img src="$iconpath/filltop.gif" alt="" /></td>
399:
400: <!-- Row 2 Column 4 -->
401: <td width=27 height=27 align="right" background="$iconpath/filltop.gif"><img src="$iconpath/upperright.gif" border=0 alt="" /></td>
402: </tr>
403: <tr>
404:
405: <!-- A cell that will hold the 'access', 'about', and 'catalog' links -->
406: <!-- Row 3 Column 1 -->
407: <td valign="top" height="60" align="left" bgcolor="$sidebg">
408: <table cellpadding="0" cellspacing="2" border="0">
409: <tr>
410: <td> </td>
411: <td><a href="/adm/login?interface=textual"><b>$lt{'access'}</b></a></td>
412: </tr>
413: <tr>
414: <td> </td>
415: <td><a href="/adm/about.html"><b>$lt{'about'}</b></a></td>
416: </tr>$coursecatalog
417: <tr>
418: <td colspan="2"> </td>
419: </tr>
420: </table>
421: </td>
422: <!-- The shaded space between the two main columns -->
423: <!-- Row 3 Column 2 -->
424: <td width=27 height=60 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
425:
426: <!-- The right main column holding the large LON-CAPA logo-->
427: <!-- Rows 3-4 Column 3 -->
428: <td align="center" valign="top" width="100%" height="100%" bgcolor="$mainbg">
429: <center>
430: <img src="$logo" alt="" />
431: </center>
432: </td>
433:
434: <!-- Row 3 Column 4 -->
435: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
436: </tr>
437: <tr>
438:
439: <!-- The entry form -->
440: <!-- Row 4 Column 1 -->
441: <td align="center" valign="middle" bgcolor="$sidebg">
442: ENDTOP
443: } else {
444: $r->print('<h1>The Learning<i>Online</i> Network with CAPA</h1><h2>Text-based Interface Login</h2>'.$announcements);
445: }
446: $r->print('<form name="client" onsubmit="return(send())">');
447: unless ($fullgraph) {
448: $r->print(<<ENDACCESSOPTIONS);
449: <h3>Select Accessibility Options</h3>
450: <label><input type="checkbox" name="imagesuppress" /> Suppress rendering of images</label><br />
451: <label><input type="checkbox" name="appletsuppress" /> Suppress Java applets</label><br />
452: <label><input type="checkbox" name="embedsuppress" /> Suppress rendering of embedded multimedia</label><br />
453: <label><input type="checkbox" name="fontenhance" /> Increase font size</label><br />
454: <label><input type="checkbox" name="blackwhite" /> Switch to black and white mode</label><br />
455: <input type="checkbox" name="remember" /> Remember these settings for next login<hr />
456: ENDACCESSOPTIONS
457: } else {
458: $r->print(<<ENDNOOPT);
459: <input type="hidden" name="imagesuppress" value="" />
460: <input type="hidden" name="embedsuppress" value="" />
461: <input type="hidden" name="appletsuppress" value="" />
462: <input type="hidden" name="fontenhance" value="" />
463: <input type="hidden" name="blackwhite" value="" />
464: <input type="hidden" name="remember" value="" />
465: ENDNOOPT
466: }
467: $r->print(<<ENDLOGIN);
468: <input type="hidden" name="lextkey" value="$lextkey">
469: <input type="hidden" name="uextkey" value="$uextkey">
470:
471: <!-- Start the sub-table for text and input alignment -->
472: <table border=0 cellspacing=0 cellpadding=0>
473: <tr><td bgcolor="$sidebg" colspan=2><img src="$iconpath/$lt{'auth'}" alt="User Authentication" /></td></tr>
474: <tr>
475: <td bgcolor="$mainbg"><br /><font size=-1><b> <label for="uname">$lt{'un'}</label>:</b></font></td>
476: <td bgcolor="$mainbg"><br /><input type="text" name="uname" size="10" value="$authusername" /></td>
477: </tr>
478: <tr>
479: <td bgcolor="$mainbg"><font size=-1><b> <label for="upass$now">$lt{'pw'}</label>:</b></font></td>
480: <td bgcolor="$mainbg"><input type="password" name="upass$now" size="10" /></td>
481: </tr>
482: <tr>
483: <td bgcolor="$mainbg"><font size=-1><b> <label for="udom">$lt{'dom'}</label>:</b></font></td>
484: <td bgcolor="$mainbg"><input type="text" name="udom" size="10" value="$authdomain" /></td>
485: </tr>
486: <tr>
487: <td bgcolor="$mainbg"> </td>
488: <td bgcolor="$mainbg" valign="bottom" align="center">
489: <br />
490: <input type="submit" value="$lt{'log'}" />
491: </td>
492: </tr>
493: <tr>
494: <td bgcolor="$mainbg" valign="bottom" align="left" colspan="2">
495: $loginhelp
496: $forgotpw
497: </td>
498: </tr>
499: </table>
500: <!-- End sub-table -->
501: </form>
502: ENDLOGIN
503: if ($fullgraph) {
504: my $helpdeskscript;
505: my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail,
506: $version,$authdomain,\$helpdeskscript);
507: $r->print(<<ENDDOCUMENT);
508: </td>
509:
510: <!-- Row 4 Column 2 -->
511: <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
512:
513: <!-- Row 4 Column 3 -->
514: <td bgcolor="$mainbg">$announcements</td>
515:
516: <!-- Row 4 Column 4 -->
517: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
518: </tr>
519: <tr>
520:
521: <!-- Row 5 Column 1 -->
522: <td bgcolor="$sidebg" valign="middle" align="left">
523: <br />
524: <table border=0 cellspacing=0 cellpadding=0>
525: <tr>
526: <td bgcolor="$sidebg" align="left" valign="top">
527: <small><b> $lt{'dom'}: </b></small>
528: </td>
529: <td bgcolor="$sidebg" align="left" valign="top">
530: <small><tt> $domain</tt></small>
531: </td>
532: </tr>
533: <tr>
534: <td bgcolor="$sidebg" align="left" valign="top">
535: <small><b> $lt{'serv'}: </b></small>
536: </td>
537: <td bgcolor="$sidebg" align="left" valign="top">
538: <small><tt> $lonhost ($role)</tt></small>
539: </td>
540: </tr>
541: <tr>
542: <td bgcolor="$sidebg" align="left" valign="top">
543: <small><b> $lt{'load'}: </b></small>
544: </td>
545: <td bgcolor="$sidebg" align="left" valign="top">
546: <small><tt> $loadpercent $lt{'perc'}</tt></small>
547: </td>
548: </tr>
549: <tr>
550: <td bgcolor="$sidebg" align="left" valign="top">
551: <small><b> $lt{'userload'}: </b></small>
552: </td>
553: <td bgcolor="$sidebg" align="left" valign="top">
554: <small><tt> $userloadpercent $lt{'perc'}</tt></small>
555: </td>
556: </tr>
557: </table>
558: <br />
559: $contactblock
560: </td>
561:
562: <!-- Row 5 Column 2 -->
563: <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
564:
565: <!-- Row 5 Column 3 -->
566: <td width="100%" valign="bottom" bgcolor="$mainbg">
567: $domainlogo
568: </td>
569:
570: <!-- Row 5 Column 4 -->
571: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
572: </tr>
573: <tr>
574:
575: <!-- Row 6 Column 1 -->
576: <td bgcolor="$sidebg"> </td>
577:
578: <!-- Row 6 Column 2 -->
579: <td align="left" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerleft.gif" alt="" /></td>
580:
581: <!-- Row 6 Column 3 -->
582: <td background="$iconpath/fillbottom.gif"><img src="$iconpath/fillbottom.gif" alt="" /></td>
583:
584: <!-- Row 6 Column 4 -->
585: <td align="right" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerright.gif" alt="" /></td>
586: </tr>
587: </table>
588:
589: <script type="text/javascript">
590: // the if prevents the script error if the browser can not handle this
591: if ( document.client.uname ) { document.client.uname.focus(); }
592: </script>
593: $helpdeskscript
594:
595: ENDDOCUMENT
596: }
597: $r->print('</body></html>');
598: return OK;
599: }
600:
601: sub contactdisplay {
602: my ($lt,$servadm,$showadminmail,$version,$authdomain,$helpdeskscript) = @_;
603: my $contactblock;
604: my $showhelpdesk = 0;
605: my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
606: if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) {
607: $showhelpdesk = 1;
608: }
609: if ($servadm && $showadminmail) {
610: $contactblock .= '<b> '.$$lt{'servadm'}.':</b><br />'.
611: '<tt> '.$servadm.'</tt><br /> <br />';
612: }
613: if ($showhelpdesk) {
614: $contactblock .= '<b> <a href="javascript:helpdesk()"><font size="+1">'.$lt->{'helpdesk'}.'</font></a></b><br />';
615: my $thisurl = &escape('/adm/login');
616: $$helpdeskscript = <<"ENDSCRIPT";
617: <script type="text/javascript">
618: function helpdesk() {
619: var codedom = document.client.udom.value;
620: if (codedom == '') {
621: codedom = "$authdomain";
622: }
623: var querystr = "origurl=$thisurl&codedom="+codedom;
624: document.location.href = "/adm/helpdesk?"+querystr;
625: return;
626: }
627: </script>
628: ENDSCRIPT
629: }
630: $contactblock .= <<"ENDBLOCK";
631: $version
632: ENDBLOCK
633: return $contactblock;
634: }
635:
636: sub forgotpwdisplay {
637: my (%lt) = @_;
638: my $prompt_for_resetpw = 1;
639: if ($prompt_for_resetpw) {
640: return '<br /> <a href="/adm/resetpw">'.$lt{'forgotpw'}.'</a></b><br /><br />';
641: }
642: return;
643: }
644:
645: sub loginhelpdisplay {
646: my (%lt) = @_;
647: my $login_help = 1;
648: if ($login_help) {
649: return ' <a href="/adm/loginproblems.html">'.$lt{'help'}.'</a></b>';
650: }
651: return;
652: }
653:
654: sub coursecatalog_link {
655: my ($linkname) = @_;
656: return <<"END";
657: <tr>
658: <td> </td>
659: <td><a href="/adm/coursecatalog"><b>$linkname</b></a></td>
660: </tr>
661: END
662: }
663:
664: 1;
665: __END__
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