1: # The LearningOnline Network
2: # Login Screen
3: #
4: # $Id: lonlogin.pm,v 1.89 2007/03/08 01:58:48 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 CGI::Cookie();
34: use Apache::File ();
35: use Apache::lonnet;
36: use Apache::loncommon();
37: use Apache::lonauth();
38: use Apache::lonlocal;
39: use Apache::migrateuser();
40: use lib '/home/httpd/lib/perl/';
41: use LONCAPA;
42:
43: sub handler {
44: my $r = shift;
45:
46: &Apache::loncommon::get_unprocessed_cgi
47: (join('&',$ENV{'QUERY_STRING'},$env{'request.querystring'},
48: $ENV{'REDIRECT_QUERY_STRING'}),
49: ['interface','username','domain','firsturl','localpath','localres',
50: 'token']);
51:
52: # -- check if they are a migrating user
53: if (defined($env{'form.token'})) {
54: return &Apache::migrateuser::handler($r);
55: }
56:
57: &Apache::loncommon::no_cache($r);
58: &Apache::lonlocal::get_language_handle($r);
59: &Apache::loncommon::content_type($r,'text/html');
60: $r->send_http_header;
61: return OK if $r->header_only;
62:
63:
64: # Are we re-routing?
65: if (-e '/home/httpd/html/lon-status/reroute.txt') {
66: &Apache::lonauth::reroute($r);
67: return OK;
68: }
69:
70:
71: # -------------------------------- Prevent users from attempting to login twice
72: my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
73: my $lonid=$cookies{'lonID'};
74: my $cookie;
75: if ($lonid) {
76: my $handle=&LONCAPA::clean_handle($lonid->value);
77: my $lonidsdir=$r->dir_config('lonIDsDir');
78: if (-e "$lonidsdir/$handle.id") {
79: # Is there an existing token file?
80: if ($handle=~/^publicuser\_/) {
81: # For "public user" - remove it, we apparently really want to login
82: unlink("$lonidsdir/$handle.id");
83: } elsif ($handle ne '') {
84: # Indeed, a valid token is found
85: my $start_page =
86: &Apache::loncommon::start_page('Already logged in');
87: my $end_page =
88: &Apache::loncommon::end_page();
89: $r->print(<<ENDFAILED);
90: $start_page
91: <h1>You are already logged in</h1>
92: <p>Please either <a href="/adm/roles">continue the current session</a> or
93: <a href="/adm/logout">logout</a>.</p>
94: <p>
95: <a href="/adm/loginproblems.html">Problems?</a></p>
96: $end_page
97: ENDFAILED
98: return OK;
99: }
100: }
101: }
102:
103: # ---------------------------------------------------- No valid token, continue
104:
105: # ---------------------------- Not possible to really login to domain "public"
106: if ($env{'form.domain'} eq 'public') {
107: $env{'form.domain'}='';
108: $env{'form.username'}='';
109: }
110: # ----------------------------------------------------------- Process Interface
111: $env{'form.interface'}=~s/\W//g;
112:
113: my $textbrowsers=$r->dir_config('lonTextBrowsers');
114: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
115:
116: foreach (split(/\:/,$textbrowsers)) {
117: if ($httpbrowser=~/$_/i) {
118: $env{'form.interface'}='textual';
119: }
120: }
121:
122: my $fullgraph=($env{'form.interface'} ne 'textual');
123: my $port_to_use=$r->dir_config('lonhttpdPort');
124: if (!defined($port_to_use)) {
125: $port_to_use='8080';
126: }
127: my $iconpath= 'http://'.$ENV{'HTTP_HOST'}.':'.$port_to_use.
128: $r->dir_config('lonIconsURL');
129: my $domain = &Apache::lonnet::default_login_domain();
130: if (($env{'form.domain'}) &&
131: (&Apache::lonnet::domain($env{'form.domain'},'description'))) {
132: $domain=$env{'form.domain'};
133: }
134: my $role = $r->dir_config('lonRole');
135: my $loadlim = $r->dir_config('lonLoadLim');
136: my $lonhost = $r->dir_config('lonHostID');
137: my $tabdir = $r->dir_config('lonTabDir');
138: my $include = $r->dir_config('lonIncludes');
139: my $expire = $r->dir_config('lonExpire');
140: my $version = $r->dir_config('lonVersion');
141: my $host_name = &Apache::lonnet::hostname($lonhost);
142:
143: # --------------------------------------------- Default values for login fields
144:
145: my $authusername=($env{'form.username'}?$env{'form.username'}:'');
146: my $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain);
147:
148: # ---------------------------------------------------------- Determine own load
149: my $loadavg;
150: {
151: my $loadfile=Apache::File->new('/proc/loadavg');
152: $loadavg=<$loadfile>;
153: }
154: $loadavg =~ s/\s.*//g;
155: my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
156: my $userloadpercent=&Apache::lonnet::userload();
157:
158: # ------------------------------------------------------- Do the load balancing
159: my $otherserver= &Apache::lonnet::absolute_url($host_name);
160: my $firsturl=
161: ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'});
162: # ---------------------------------------- Are we access server and overloaded?
163: if (($role eq 'access') &&
164: (($userloadpercent>100.0)||($loadpercent>100.0))) {
165: my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent);
166: if ($unloaded) { $otherserver=$unloaded; }
167: }
168:
169: # ----------------------------------------------------------- Get announcements
170: my $announcements=&Apache::lonnet::getannounce();
171: # -------------------------------------------------------- Set login parameters
172:
173: my @hexstr=('0','1','2','3','4','5','6','7',
174: '8','9','a','b','c','d','e','f');
175: my $lkey='';
176: for (0..7) {
177: $lkey.=$hexstr[rand(15)];
178: }
179:
180: my $ukey='';
181: for (0..7) {
182: $ukey.=$hexstr[rand(15)];
183: }
184:
185: my $lextkey=hex($lkey);
186: if ($lextkey>2147483647) { $lextkey-=4294967296; }
187:
188: my $uextkey=hex($ukey);
189: if ($uextkey>2147483647) { $uextkey-=4294967296; }
190:
191: # -------------------------------------------------------- Store away log token
192: my $logtoken=Apache::lonnet::reply(
193: 'tmpput:'.$ukey.$lkey.'&'.$firsturl,
194: $lonhost);
195:
196: # ------------------- If we cannot talk to ourselves, we are in serious trouble
197:
198: if ($logtoken eq 'con_lost') {
199: my $spares='';
200: my $last;
201: foreach my $hostid (sort
202: {
203: &Apache::lonnet::hostname($a) cmp
204: &Apache::lonnet::hostname($b);
205: }
206: keys(%Apache::lonnet::spareid)) {
207: next if ($hostid eq $lonhost);
208: my $hostname = &Apache::lonnet::hostname($hostid);
209: next if ($last eq $hostname);
210: $spares.='<br /><font size="+1"><a href="http://'.
211: $hostname.
212: '/adm/login?domain='.$authdomain.'">'.
213: $hostname.'</a>'.
214: ' (preferred)</font>'.$/;
215: $last=$hostname;
216: }
217: $spares.= '<br />';
218: my %all_hostnames = &Apache::lonnet::all_hostnames();
219: foreach my $hostid (sort
220: {
221: &Apache::lonnet::hostname($a) cmp
222: &Apache::lonnet::hostname($b);
223: }
224: keys(%all_hostnames)) {
225: next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid});
226: my $hostname = &Apache::lonnet::hostname($hostid);
227: next if ($last eq $hostname);
228: $spares.='<br /><a href="http://'.
229: $hostname.
230: '/adm/login?domain='.$authdomain.'">'.
231: $hostname.'</a>';
232: $last=$hostname;
233: }
234: $r->print(<<ENDTROUBLE);
235: <html>
236: <head><title>The LearningOnline Network with CAPA</title></head>
237: <body bgcolor="#FFFFFF">
238: <img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />
239: <h3>This LON-CAPA server is temporarily not available for login</h3>
240: <p>Please attempt to login to one of the following servers:</p>$spares
241: </body>
242: </html>
243: ENDTROUBLE
244: return OK;
245: }
246:
247: # ----------------------------------------------- Apparently we are in business
248:
249: my $domainlogo=&Apache::loncommon::domainlogo($domain);
250:
251: # --------------------------------------------------- Print login screen header
252: $r->print(<<ENDHEADER);
253: <html>
254: <head>
255: <meta HTTP-EQUIV="Refresh" CONTENT="$expire; url=/adm/roles" />
256: <title>The LearningOnline Network with CAPA Login</title>
257: </head>
258: ENDHEADER
259: # ---------------------------------------------------- Serve out DES JavaScript
260: {
261: my $jsh=Apache::File->new($include."/londes.js");
262: $r->print(<$jsh>);
263: }
264:
265: # ----------------------------------------------------------- Front page design
266: my $pgbg=
267: ($fullgraph?&Apache::loncommon::designparm('login.pgbg',$domain):'#FFFFFF');
268: my $font=
269: ($fullgraph?&Apache::loncommon::designparm('login.font',$domain):'#000000');
270: my $link=
271: ($fullgraph?&Apache::loncommon::designparm('login.link',$domain):'#0000FF');
272: my $vlink=
273: ($fullgraph?&Apache::loncommon::designparm('login.vlink',$domain):'#0000FF');
274: my $alink=&Apache::loncommon::designparm('login.alink',$domain);
275: my $mainbg=
276: ($fullgraph?&Apache::loncommon::designparm('login.mainbg',$domain):'#FFFFFF');
277: my $sidebg=
278: ($fullgraph?&Apache::loncommon::designparm('login.sidebg',$domain):'#FFFFFF');
279: my $logo=&Apache::loncommon::designparm('login.logo',$domain);
280: my $img=&Apache::loncommon::designparm('login.img',$domain);
281:
282: # ----------------------------------------------------------------------- Texts
283:
284: my %lt=&Apache::lonlocal::texthash(
285: 'un' => 'Username',
286: 'pw' => 'Password',
287: 'dom' => 'Domain',
288: 'perc' => 'percent',
289: 'load' => 'Load',
290: 'userload' => 'User Load',
291: 'about' => 'About LON-CAPA',
292: 'access' => 'Accessibility Options',
293: 'catalog' => 'Course Catalog',
294: 'auth' => 'userauthentication.gif',
295: 'log' => 'Log in',
296: 'help' => 'Log-in Help',
297: 'serv' => 'Server',
298: 'helpdesk' => 'Contact Helpdesk',
299: 'forgotpw' => 'Forgot password?');
300: # -------------------------------------------------- Change password field name
301: my $now=time;
302: my $forgotpw = &forgotpwdisplay(%lt);
303: my $loginhelp = &loginhelpdisplay(%lt);
304: # ---------------------------------------------------------- Serve rest of page
305: $r->print(<<ENDSCRIPT);
306:
307: <body bgcolor="$pgbg" text="$font" link="$link" vlink="$vlink" alink="$alink"
308: topmargin=0 leftmargin=0 marginwidth=0 marginheight=0>
309:
310: <script language="JavaScript">
311: function send()
312: {
313: this.document.server.elements.uname.value
314: =this.document.client.elements.uname.value;
315:
316: this.document.server.elements.udom.value
317: =this.document.client.elements.udom.value;
318:
319: this.document.server.elements.imagesuppress.value
320: =this.document.client.elements.imagesuppress.checked;
321:
322: this.document.server.elements.embedsuppress.value
323: =this.document.client.elements.embedsuppress.checked;
324:
325: this.document.server.elements.appletsuppress.value
326: =this.document.client.elements.appletsuppress.checked;
327:
328: this.document.server.elements.fontenhance.value
329: =this.document.client.elements.fontenhance.checked;
330:
331: this.document.server.elements.blackwhite.value
332: =this.document.client.elements.blackwhite.checked;
333:
334: this.document.server.elements.remember.value
335: =this.document.client.elements.remember.checked;
336:
337: uextkey=this.document.client.elements.uextkey.value;
338: lextkey=this.document.client.elements.lextkey.value;
339: initkeys();
340:
341: this.document.server.elements.upass0.value
342: =crypted(this.document.client.elements.upass$now.value.substr(0,15));
343: this.document.server.elements.upass1.value
344: =crypted(this.document.client.elements.upass$now.value.substr(15,15));
345: this.document.server.elements.upass2.value
346: =crypted(this.document.client.elements.upass$now.value.substr(30,15));
347:
348: this.document.client.elements.uname.value='';
349: this.document.client.elements.upass$now.value='';
350:
351: this.document.server.submit();
352: return false;
353: }
354: </script>
355: ENDSCRIPT
356:
357: if ($fullgraph) {
358: $r->print(
359: '<table width="100%" cellpadding=0 cellspacing=0 border=0>');
360: }
361:
362: $r->print(<<ENDSERVERFORM);
363: <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">
364: <input type="hidden" name="logtoken" value="$logtoken" />
365: <input type="hidden" name="serverid" value="$lonhost" />
366: <input type="hidden" name="interface" value="$env{'form.interface'}" />
367: <input type="hidden" name="uname" value="" />
368: <input type="hidden" name="upass0" value="" />
369: <input type="hidden" name="upass1" value="" />
370: <input type="hidden" name="upass2" value="" />
371: <input type="hidden" name="udom" value="" />
372: <input type="hidden" name="imagesuppress" value="" />
373: <input type="hidden" name="appletsuppress" value="" />
374: <input type="hidden" name="embedsuppress" value="" />
375: <input type="hidden" name="fontenhance" value="" />
376: <input type="hidden" name="blackwhite" value="" />
377: <input type="hidden" name="remember" value="" />
378: <input type="hidden" name="localpath" value="$env{'form.localpath'}" />
379: <input type="hidden" name="localres" value="$env{'form.localres'}" />
380: </form>
381: ENDSERVERFORM
382: if ($fullgraph) { $r->print(<<ENDTOP);
383: <!-- The LON-CAPA Header -->
384: <tr>
385:
386: <!-- Row 1 Columns 2-4 -->
387: <td width="100%" height=75 colspan=4 align="left" valign="top" bgcolor="$pgbg"><img src="$img" border=0 alt="The Learning Online Network with CAPA" /></td>
388: </tr>
389:
390: <!-- The gray bar that starts the two table frames -->
391: <tr>
392:
393: <!-- Row 2 Column 1 -->
394: <td width=182 height=27 bgcolor="$sidebg"> </td>
395:
396: <!-- Row 2 Column 2 -->
397: <td width=27 height=27 align="left" background="$iconpath/filltop.gif"><img src="$iconpath/upperleft.gif" border=0 alt="" /></td>
398:
399: <!-- Row 2 Column 3 -->
400: <td height=27 background="$iconpath/filltop.gif"><img src="$iconpath/filltop.gif" alt="" /></td>
401:
402: <!-- Row 2 Column 4 -->
403: <td width=27 height=27 align="right" background="$iconpath/filltop.gif"><img src="$iconpath/upperright.gif" border=0 alt="" /></td>
404: </tr>
405: <tr>
406:
407: <!-- A cell that will hold the 'access', 'about', and 'catalog' links -->
408: <!-- Row 3 Column 1 -->
409: <td valign="top" height="60" align="left" bgcolor="$sidebg">
410: <table cellpadding="0" cellspacing="2" border="0">
411: <tr>
412: <td> </td>
413: <td><a href="/adm/login?interface=textual"><b>$lt{'access'}</b></a></td>
414: </tr>
415: <tr>
416: <td> </td>
417: <td><a href="/adm/about.html"><b>$lt{'about'}</b></a></td>
418: </tr>
419: <tr>
420: <td> </td>
421: <td><a href="/adm/coursecatalog"><b>$lt{'catalog'}</b></a></td>
422: </tr>
423: <tr>
424: <td colspan="2"> </td>
425: </tr>
426: </table>
427: </td>
428: <!-- The shaded space between the two main columns -->
429: <!-- Row 3 Column 2 -->
430: <td width=27 height=60 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
431:
432: <!-- The right main column holding the large LON-CAPA logo-->
433: <!-- Rows 3-4 Column 3 -->
434: <td align="center" valign="top" width="100%" height="100%" bgcolor="$mainbg">
435: <center>
436: <img src="$logo" alt="" />
437: </center>
438: </td>
439:
440: <!-- Row 3 Column 4 -->
441: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
442: </tr>
443: <tr>
444:
445: <!-- The entry form -->
446: <!-- Row 4 Column 1 -->
447: <td align="center" valign="middle" bgcolor="$sidebg">
448: ENDTOP
449: } else {
450: $r->print('<h1>The Learning<i>Online</i> Network with CAPA</h1><h2>Text-based Interface Login</h2>'.$announcements);
451: }
452: $r->print('<form name="client" onsubmit="return(send())">');
453: unless ($fullgraph) {
454: $r->print(<<ENDACCESSOPTIONS);
455: <h3>Select Accessibility Options</h3>
456: <label><input type="checkbox" name="imagesuppress" /> Suppress rendering of images</label><br />
457: <label><input type="checkbox" name="appletsuppress" /> Suppress Java applets</label><br />
458: <label><input type="checkbox" name="embedsuppress" /> Suppress rendering of embedded multimedia</label><br />
459: <label><input type="checkbox" name="fontenhance" /> Increase font size</label><br />
460: <label><input type="checkbox" name="blackwhite" /> Switch to black and white mode</label><br />
461: <input type="checkbox" name="remember" /> Remember these settings for next login<hr />
462: ENDACCESSOPTIONS
463: } else {
464: $r->print(<<ENDNOOPT);
465: <input type="hidden" name="imagesuppress" value="" />
466: <input type="hidden" name="embedsuppress" value="" />
467: <input type="hidden" name="appletsuppress" value="" />
468: <input type="hidden" name="fontenhance" value="" />
469: <input type="hidden" name="blackwhite" value="" />
470: <input type="hidden" name="remember" value="" />
471: ENDNOOPT
472: }
473: $r->print(<<ENDLOGIN);
474: <input type="hidden" name="lextkey" value="$lextkey">
475: <input type="hidden" name="uextkey" value="$uextkey">
476:
477: <!-- Start the sub-table for text and input alignment -->
478: <table border=0 cellspacing=0 cellpadding=0>
479: <tr><td bgcolor="$sidebg" colspan=2><img src="$iconpath/$lt{'auth'}" alt="User Authentication" /></td></tr>
480: <tr>
481: <td bgcolor="$mainbg"><br /><font size=-1><b> $lt{'un'}:</b></font></td>
482: <td bgcolor="$mainbg"><br /><input type="text" name="uname" size="10" value="$authusername" /></td>
483: </tr>
484: <tr>
485: <td bgcolor="$mainbg"><font size=-1><b> $lt{'pw'}:</b></font></td>
486: <td bgcolor="$mainbg"><input type="password" name="upass$now" size="10" /></td>
487: </tr>
488: <tr>
489: <td bgcolor="$mainbg"><font size=-1><b> $lt{'dom'}:</b></font></td>
490: <td bgcolor="$mainbg"><input type="text" name="udom" size="10" value="$authdomain" /></td>
491: </tr>
492: <tr>
493: <td bgcolor="$mainbg"> </td>
494: <td bgcolor="$mainbg" valign="bottom" align="center">
495: <br />
496: <input type="submit" value="$lt{'log'}" />
497: </td>
498: </tr>
499: <tr>
500: <td bgcolor="$mainbg" valign="bottom" align="left" colspan="2">
501: $loginhelp
502: $forgotpw
503: </td>
504: </tr>
505: </table>
506: <!-- End sub-table -->
507: </form>
508: ENDLOGIN
509: if ($fullgraph) {
510: my $helpdeskscript;
511: my $contactblock = &contactdisplay(\%lt,$version,$authdomain,\$helpdeskscript);
512: $r->print(<<ENDDOCUMENT);
513: </td>
514:
515: <!-- Row 4 Column 2 -->
516: <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
517:
518: <!-- Row 4 Column 3 -->
519: <td bgcolor="$mainbg">$announcements</td>
520:
521: <!-- Row 4 Column 4 -->
522: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
523: </tr>
524: <tr>
525:
526: <!-- Row 5 Column 1 -->
527: <td bgcolor="$sidebg" valign="middle" align="left">
528: <br />
529: <table border=0 cellspacing=0 cellpadding=0>
530: <tr>
531: <td bgcolor="$sidebg" align="left" valign="top">
532: <small><b> $lt{'dom'}: </b></small>
533: </td>
534: <td bgcolor="$sidebg" align="left" valign="top">
535: <small><tt> $domain</tt></small>
536: </td>
537: </tr>
538: <tr>
539: <td bgcolor="$sidebg" align="left" valign="top">
540: <small><b> $lt{'serv'}: </b></small>
541: </td>
542: <td bgcolor="$sidebg" align="left" valign="top">
543: <small><tt> $lonhost ($role)</tt></small>
544: </td>
545: </tr>
546: <tr>
547: <td bgcolor="$sidebg" align="left" valign="top">
548: <small><b> $lt{'load'}: </b></small>
549: </td>
550: <td bgcolor="$sidebg" align="left" valign="top">
551: <small><tt> $loadpercent $lt{'perc'}</tt></small>
552: </td>
553: </tr>
554: <tr>
555: <td bgcolor="$sidebg" align="left" valign="top">
556: <small><b> $lt{'userload'}: </b></small>
557: </td>
558: <td bgcolor="$sidebg" align="left" valign="top">
559: <small><tt> $userloadpercent $lt{'perc'}</tt></small>
560: </td>
561: </tr>
562: </table>
563: <br />
564: $contactblock
565: </td>
566:
567: <!-- Row 5 Column 2 -->
568: <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
569:
570: <!-- Row 5 Column 3 -->
571: <td width="100%" valign="bottom" bgcolor="$mainbg">
572: $domainlogo
573: </td>
574:
575: <!-- Row 5 Column 4 -->
576: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
577: </tr>
578: <tr>
579:
580: <!-- Row 6 Column 1 -->
581: <td bgcolor="$sidebg"> </td>
582:
583: <!-- Row 6 Column 2 -->
584: <td align="left" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerleft.gif" alt="" /></td>
585:
586: <!-- Row 6 Column 3 -->
587: <td background="$iconpath/fillbottom.gif"><img src="$iconpath/fillbottom.gif" alt="" /></td>
588:
589: <!-- Row 6 Column 4 -->
590: <td align="right" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerright.gif" alt="" /></td>
591: </tr>
592: </table>
593:
594: <script type="text/javascript">
595: // the if prevents the script error if the browser can not handle this
596: if ( document.client.uname ) { document.client.uname.focus(); }
597: </script>
598: $helpdeskscript
599:
600: ENDDOCUMENT
601: }
602: $r->print('</body></html>');
603: return OK;
604: }
605:
606: sub contactdisplay {
607: my ($lt,$version,$authdomain,$helpdeskscript) = @_;
608: my $contactblock;
609: my $showhelpdesk = 0;
610: my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
611: if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) {
612: $showhelpdesk = 1;
613: }
614: if ($showhelpdesk) {
615: $contactblock .= '<b> <a href="javascript:helpdesk()"><font size="+1">'.$lt->{'helpdesk'}.'</font></a></b><br />';
616: my $thisurl = &escape('/adm/login');
617: $$helpdeskscript = <<"ENDSCRIPT";
618: <script type="text/javascript">
619: function helpdesk() {
620: var codedom = document.client.udom.value;
621: if (codedom == '') {
622: codedom = "$authdomain";
623: }
624: var querystr = "origurl=$thisurl&codedom="+codedom;
625: document.location.href = "/adm/helpdesk?"+querystr;
626: return;
627: }
628: </script>
629: ENDSCRIPT
630: }
631: $contactblock .= <<"ENDBLOCK";
632: $version
633: ENDBLOCK
634: return $contactblock;
635: }
636:
637: sub forgotpwdisplay {
638: my (%lt) = @_;
639: my $prompt_for_resetpw = 1;
640: if ($prompt_for_resetpw) {
641: return '<br /> <a href="/adm/resetpw">'.$lt{'forgotpw'}.'</a></b><br /><br />';
642: }
643: return;
644: }
645:
646: sub loginhelpdisplay {
647: my (%lt) = @_;
648: my $login_help = 1;
649: if ($login_help) {
650: return ' <a href="/adm/loginproblems.html">'.$lt{'help'}.'</a></b>';
651: }
652: return;
653: }
654:
655: 1;
656: __END__
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