1: # The LearningOnline Network
2: # Login Screen
3: #
4: # $Id: lonlogin.pm,v 1.81 2006/09/28 00:59:02 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:
44: sub additional_machine_domains {
45: my @domains;
46: open(my $fh,"<".$Apache::lonnet::perlvar{'lonTabDir'}.'/expected_domains.tab');
47: while( my $line = <$fh>) {
48: $line =~ s/\s//g;
49: push(@domains,$line);
50: }
51: return @domains;
52: }
53:
54: sub handler {
55: my $r = shift;
56:
57: &Apache::loncommon::get_unprocessed_cgi
58: (join('&',$ENV{'QUERY_STRING'},$env{'request.querystring'},
59: $ENV{'REDIRECT_QUERY_STRING'}),
60: ['interface','username','domain','firsturl','localpath','localres',
61: 'token']);
62:
63: # -- check if they are a migrating user
64: if (defined($env{'form.token'})) {
65: return &Apache::migrateuser::handler($r);
66: }
67:
68: &Apache::loncommon::no_cache($r);
69: &Apache::lonlocal::get_language_handle($r);
70: &Apache::loncommon::content_type($r,'text/html');
71: $r->send_http_header;
72: return OK if $r->header_only;
73:
74:
75: # Are we re-routing?
76: if (-e '/home/httpd/html/lon-status/reroute.txt') {
77: &Apache::lonauth::reroute($r);
78: return OK;
79: }
80:
81:
82: # -------------------------------- Prevent users from attempting to login twice
83: my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
84: my $lonid=$cookies{'lonID'};
85: my $cookie;
86: if ($lonid) {
87: my $handle=$lonid->value;
88: $handle=~s/\W//g;
89: my $lonidsdir=$r->dir_config('lonIDsDir');
90: if (-e "$lonidsdir/$handle.id") {
91: # Is there an existing token file?
92: if ($handle=~/^publicuser\_/) {
93: # For "public user" - remove it, we apparently really want to login
94: unlink("$lonidsdir/$handle.id");
95: } elsif ($handle ne '') {
96: # Indeed, a valid token is found
97: my $start_page =
98: &Apache::loncommon::start_page('Already logged in');
99: my $end_page =
100: &Apache::loncommon::end_page();
101: $r->print(<<ENDFAILED);
102: $start_page
103: <h1>You are already logged in</h1>
104: <p>Please either <a href="/adm/roles">continue the current session</a> or
105: <a href="/adm/logout">logout</a>.</p>
106: <p>
107: <a href="/adm/loginproblems.html">Problems?</a></p>
108: $end_page
109: ENDFAILED
110: return OK;
111: }
112: }
113: }
114:
115: # ---------------------------------------------------- No valid token, continue
116:
117: # ---------------------------- Not possible to really login to domain "public"
118: if ($env{'form.domain'} eq 'public') {
119: $env{'form.domain'}='';
120: $env{'form.username'}='';
121: }
122: # ----------------------------------------------------------- Process Interface
123: $env{'form.interface'}=~s/\W//g;
124:
125: my $textbrowsers=$r->dir_config('lonTextBrowsers');
126: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
127:
128: foreach (split(/\:/,$textbrowsers)) {
129: if ($httpbrowser=~/$_/i) {
130: $env{'form.interface'}='textual';
131: }
132: }
133:
134: my $fullgraph=($env{'form.interface'} ne 'textual');
135: my $port_to_use=$r->dir_config('lonhttpdPort');
136: if (!defined($port_to_use)) {
137: $port_to_use='8080';
138: }
139: my $iconpath= 'http://'.$ENV{'HTTP_HOST'}.':'.$port_to_use.
140: $r->dir_config('lonIconsURL');
141: my $domain = $r->dir_config('lonDefDomain');
142: my $testdomain=(split(/\./,$ENV{'HTTP_HOST'}))[0];
143: foreach my $posdom (&Apache::lonnet::current_machine_domains(),
144: &additional_machine_domains()) {
145: if (lc($posdom) eq lc($testdomain)) { $domain=$posdom; }
146: }
147: if (($env{'form.domain'}) &&
148: ($Apache::lonnet::domaindescription{$env{'form.domain'}})) {
149: $domain=$env{'form.domain'};
150: }
151: my $role = $r->dir_config('lonRole');
152: my $loadlim = $r->dir_config('lonLoadLim');
153: my $servadm = $r->dir_config('lonAdmEMail');
154: my $sysadm = $r->dir_config('lonSysEMail');
155: my $lonhost = $r->dir_config('lonHostID');
156: my $tabdir = $r->dir_config('lonTabDir');
157: my $include = $r->dir_config('lonIncludes');
158: my $expire = $r->dir_config('lonExpire');
159: my $version = $r->dir_config('lonVersion');
160: my $host_name = $Apache::lonnet::hostname{$lonhost};
161:
162: # --------------------------------------------- Default values for login fields
163:
164: my $authusername=($env{'form.username'}?$env{'form.username'}:'');
165: my $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain);
166:
167: # ---------------------------------------------------------- Determine own load
168: my $loadavg;
169: {
170: my $loadfile=Apache::File->new('/proc/loadavg');
171: $loadavg=<$loadfile>;
172: }
173: $loadavg =~ s/\s.*//g;
174: my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
175: my $userloadpercent=&Apache::lonnet::userload();
176:
177: # ------------------------------------------------------- Do the load balancing
178: my $otherserver= &Apache::lonnet::absolute_url($host_name);
179: my $firsturl=
180: ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'});
181: # ---------------------------------------- Are we access server and overloaded?
182: if (($role eq 'access') &&
183: (($userloadpercent>100.0)||($loadpercent>100.0))) {
184: my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent);
185: if ($unloaded) { $otherserver=$unloaded; }
186: }
187:
188: # ----------------------------------------------------------- Get announcements
189: my $announcements=&Apache::lonnet::getannounce();
190: # -------------------------------------------------------- Set login parameters
191:
192: my @hexstr=('0','1','2','3','4','5','6','7',
193: '8','9','a','b','c','d','e','f');
194: my $lkey='';
195: for (0..7) {
196: $lkey.=$hexstr[rand(15)];
197: }
198:
199: my $ukey='';
200: for (0..7) {
201: $ukey.=$hexstr[rand(15)];
202: }
203:
204: my $lextkey=hex($lkey);
205: if ($lextkey>2147483647) { $lextkey-=4294967296; }
206:
207: my $uextkey=hex($ukey);
208: if ($uextkey>2147483647) { $uextkey-=4294967296; }
209:
210: # -------------------------------------------------------- Store away log token
211: my $logtoken=Apache::lonnet::reply(
212: 'tmpput:'.$ukey.$lkey.'&'.$firsturl,
213: $lonhost);
214:
215: # ------------------- If we cannot talk to ourselves, we are in serious trouble
216:
217: if ($logtoken eq 'con_lost') {
218: my $spares='';
219: my $last;
220: foreach my $hostid (sort
221: {
222: $Apache::lonnet::hostname{$a} cmp
223: $Apache::lonnet::hostname{$b};
224: }
225: keys(%Apache::lonnet::spareid)) {
226: next if ($hostid eq $lonhost);
227: next if ($last eq $Apache::lonnet::hostname{$hostid});
228: $spares.='<br /><font size="+1"><a href="http://'.
229: $Apache::lonnet::hostname{$hostid}.
230: '/adm/login?domain='.$authdomain.'">'.
231: $Apache::lonnet::hostname{$hostid}.'</a>'.
232: ' (preferred)</font>'.$/;
233: $last=$Apache::lonnet::hostname{$hostid};
234: }
235: $spares.= '<br />';
236: foreach my $hostid (sort
237: {
238: $Apache::lonnet::hostname{$a} cmp
239: $Apache::lonnet::hostname{$b};
240: }
241: keys(%Apache::lonnet::hostname)) {
242: next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid});
243: next if ($last eq $Apache::lonnet::hostname{$hostid});
244: $spares.='<br /><a href="http://'.
245: $Apache::lonnet::hostname{$hostid}.
246: '/adm/login?domain='.$authdomain.'">'.
247: $Apache::lonnet::hostname{$hostid}.'</a>';
248: $last=$Apache::lonnet::hostname{$hostid};
249: }
250: $r->print(<<ENDTROUBLE);
251: <html>
252: <head><title>The LearningOnline Network with CAPA</title></head>
253: <body bgcolor="#FFFFFF">
254: <img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />
255: <h3>This LON-CAPA server is temporarily not available for login</h3>
256: <p>Please attempt to login to one of the following servers:</p>$spares
257: <p>If the problem persists, please contact <tt>$servadm</tt>.</p>
258: </body>
259: </html>
260: ENDTROUBLE
261: return OK;
262: }
263:
264: # ----------------------------------------------- Apparently we are in business
265:
266: my $domainlogo=&Apache::loncommon::domainlogo($domain);
267: $servadm=~s/\,/\<br \/\>/g;
268: $sysadm=~s/\,/\<br \/\>/g;
269:
270: # --------------------------------------------------- Print login screen header
271: $r->print(<<ENDHEADER);
272: <html>
273: <head>
274: <meta HTTP-EQUIV="Refresh" CONTENT="$expire; url=/adm/roles" />
275: <title>The LearningOnline Network with CAPA Login</title>
276: </head>
277: ENDHEADER
278: # ---------------------------------------------------- Serve out DES JavaScript
279: {
280: my $jsh=Apache::File->new($include."/londes.js");
281: $r->print(<$jsh>);
282: }
283:
284: # ----------------------------------------------------------- Front page design
285: my $pgbg=
286: ($fullgraph?&Apache::loncommon::designparm('login.pgbg',$domain):'#FFFFFF');
287: my $font=
288: ($fullgraph?&Apache::loncommon::designparm('login.font',$domain):'#000000');
289: my $link=
290: ($fullgraph?&Apache::loncommon::designparm('login.link',$domain):'#0000FF');
291: my $vlink=
292: ($fullgraph?&Apache::loncommon::designparm('login.vlink',$domain):'#0000FF');
293: my $alink=&Apache::loncommon::designparm('login.alink',$domain);
294: my $mainbg=
295: ($fullgraph?&Apache::loncommon::designparm('login.mainbg',$domain):'#FFFFFF');
296: my $sidebg=
297: ($fullgraph?&Apache::loncommon::designparm('login.sidebg',$domain):'#FFFFFF');
298: my $logo=&Apache::loncommon::designparm('login.logo',$domain);
299: my $img=&Apache::loncommon::designparm('login.img',$domain);
300:
301: # ----------------------------------------------------------------------- Texts
302:
303: my %lt=&Apache::lonlocal::texthash(
304: 'un' => 'Username',
305: 'pw' => 'Password',
306: 'dom' => 'Domain',
307: 'perc' => 'percent',
308: 'load' => 'Load',
309: 'userload' => 'User Load',
310: 'about' => 'aboutlon.gif',
311: 'access' => 'accessbutton.gif',
312: 'auth' => 'userauthentication.gif',
313: 'log' => 'Log in',
314: 'help' => 'Help',
315: 'serv' => 'Server',
316: 'servadm' => 'Server Administration',
317: 'sysadm' => 'System Administration',
318: 'helpdesk' => 'Contact Helpdesk');
319: # -------------------------------------------------- Change password field name
320: my $now=time;
321: # ---------------------------------------------------------- Serve rest of page
322: $r->print(<<ENDSCRIPT);
323:
324: <body bgcolor="$pgbg" text="$font" link="$link" vlink="$vlink" alink="$alink"
325: topmargin=0 leftmargin=0 marginwidth=0 marginheight=0>
326:
327: <script language="JavaScript">
328: function send()
329: {
330: this.document.server.elements.uname.value
331: =this.document.client.elements.uname.value;
332:
333: this.document.server.elements.udom.value
334: =this.document.client.elements.udom.value;
335:
336: this.document.server.elements.imagesuppress.value
337: =this.document.client.elements.imagesuppress.checked;
338:
339: this.document.server.elements.embedsuppress.value
340: =this.document.client.elements.embedsuppress.checked;
341:
342: this.document.server.elements.appletsuppress.value
343: =this.document.client.elements.appletsuppress.checked;
344:
345: this.document.server.elements.fontenhance.value
346: =this.document.client.elements.fontenhance.checked;
347:
348: this.document.server.elements.blackwhite.value
349: =this.document.client.elements.blackwhite.checked;
350:
351: this.document.server.elements.remember.value
352: =this.document.client.elements.remember.checked;
353:
354: uextkey=this.document.client.elements.uextkey.value;
355: lextkey=this.document.client.elements.lextkey.value;
356: initkeys();
357:
358: this.document.server.elements.upass0.value
359: =crypted(this.document.client.elements.upass$now.value.substr(0,15));
360: this.document.server.elements.upass1.value
361: =crypted(this.document.client.elements.upass$now.value.substr(15,15));
362: this.document.server.elements.upass2.value
363: =crypted(this.document.client.elements.upass$now.value.substr(30,15));
364:
365: this.document.client.elements.uname.value='';
366: this.document.client.elements.upass$now.value='';
367:
368: this.document.server.submit();
369: return false;
370: }
371: </script>
372: ENDSCRIPT
373:
374: if ($fullgraph) {
375: $r->print(
376: '<table width="100%" cellpadding=0 cellspacing=0 border=0>');
377: }
378:
379: $r->print(<<ENDSERVERFORM);
380: <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">
381: <input type="hidden" name="logtoken" value="$logtoken" />
382: <input type="hidden" name="serverid" value="$lonhost" />
383: <input type="hidden" name="interface" value="$env{'form.interface'}" />
384: <input type="hidden" name="uname" value="" />
385: <input type="hidden" name="upass0" value="" />
386: <input type="hidden" name="upass1" value="" />
387: <input type="hidden" name="upass2" value="" />
388: <input type="hidden" name="udom" value="" />
389: <input type="hidden" name="imagesuppress" value="" />
390: <input type="hidden" name="appletsuppress" value="" />
391: <input type="hidden" name="embedsuppress" value="" />
392: <input type="hidden" name="fontenhance" value="" />
393: <input type="hidden" name="blackwhite" value="" />
394: <input type="hidden" name="remember" value="" />
395: <input type="hidden" name="localpath" value="$env{'form.localpath'}" />
396: <input type="hidden" name="localres" value="$env{'form.localres'}" />
397: </form>
398: ENDSERVERFORM
399: if ($fullgraph) { $r->print(<<ENDTOP);
400: <!-- The LON-CAPA Header -->
401: <tr>
402:
403: <!-- Row 1 Columns 2-4 -->
404: <td width="100%" height=75 colspan=4 align="left" valign="top" bgcolor="$pgbg"><img src="$img" border=0 alt="The Learning Online Network with CAPA" /></td>
405: </tr>
406:
407: <!-- The gray bar that starts the two table frames -->
408: <tr>
409:
410: <!-- Row 2 Column 1 -->
411: <td width=182 height=27 bgcolor="$sidebg"> </td>
412:
413: <!-- Row 2 Column 2 -->
414: <td width=27 height=27 align="left" background="$iconpath/filltop.gif"><img src="$iconpath/upperleft.gif" border=0 alt="" /></td>
415:
416: <!-- Row 2 Column 3 -->
417: <td height=27 background="$iconpath/filltop.gif"><img src="$iconpath/filltop.gif" alt="" /></td>
418:
419: <!-- Row 2 Column 4 -->
420: <td width=27 height=27 align="right" background="$iconpath/filltop.gif"><img src="$iconpath/upperright.gif" border=0 alt="" /></td>
421: </tr>
422: <tr>
423:
424: <!-- A cell that will hold the 'access' and 'about' buttons -->
425: <!-- Row 3 Column 1 -->
426: <td valign="top" height=60 align="center" bgcolor="$sidebg">
427: <a href="/adm/login?interface=textual"><img src="$iconpath/$lt{'access'}" border=0 alt="Accessibility Options" /></a>
428: <br />
429: <a href="/adm/about.html"><img src="$iconpath/$lt{'about'}" border=0 alt="About LON-CAPA" /></a>
430: </td>
431:
432: <!-- The shaded space between the two main columns -->
433: <!-- Row 3 Column 2 -->
434: <td width=27 height=60 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
435:
436: <!-- The right main column holding the large LON-CAPA logo-->
437: <!-- Rows 3-4 Column 3 -->
438: <td align="center" valign="top" width="100%" height="100%" bgcolor="$mainbg">
439: <center>
440: <img src="$logo" alt="" />
441: </center>
442: </td>
443:
444: <!-- Row 3 Column 4 -->
445: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
446: </tr>
447: <tr>
448:
449: <!-- The entry form -->
450: <!-- Row 4 Column 1 -->
451: <td align="center" valign="middle" bgcolor="$sidebg">
452: ENDTOP
453: } else {
454: $r->print('<h1>The Learning<i>Online</i> Network with CAPA</h1><h2>Text-based Interface Login</h2>'.$announcements);
455: }
456: $r->print('<form name="client" onsubmit="return(send())">');
457: unless ($fullgraph) {
458: $r->print(<<ENDACCESSOPTIONS);
459: <h3>Select Accessibility Options</h3>
460: <label><input type="checkbox" name="imagesuppress" /> Suppress rendering of images</label><br />
461: <label><input type="checkbox" name="appletsuppress" /> Suppress Java applets</label><br />
462: <label><input type="checkbox" name="embedsuppress" /> Suppress rendering of embedded multimedia</label><br />
463: <label><input type="checkbox" name="fontenhance" /> Increase font size</label><br />
464: <label><input type="checkbox" name="blackwhite" /> Switch to black and white mode</label><br />
465: <p>If you have accessibility needs that are not addressed by this interface,
466: please
467: contact the system administrator at <tt>$sysadm</tt>.</p><br />
468: <input type="checkbox" name="remember" /> Remember these settings for next login<hr />
469: ENDACCESSOPTIONS
470: } else {
471: $r->print(<<ENDNOOPT);
472: <input type="hidden" name="imagesuppress" value="" />
473: <input type="hidden" name="embedsuppress" value="" />
474: <input type="hidden" name="appletsuppress" value="" />
475: <input type="hidden" name="fontenhance" value="" />
476: <input type="hidden" name="blackwhite" value="" />
477: <input type="hidden" name="remember" value="" />
478: ENDNOOPT
479: }
480: $r->print(<<ENDLOGIN);
481: <input type="hidden" name="lextkey" value="$lextkey">
482: <input type="hidden" name="uextkey" value="$uextkey">
483:
484: <!-- Start the sub-table for text and input alignment -->
485: <table border=0 cellspacing=0 cellpadding=0>
486: <tr><td bgcolor="$sidebg" colspan=2><img src="$iconpath/$lt{'auth'}" alt="User Authentication" /></td></tr>
487: <tr>
488: <td bgcolor="$mainbg"><br /><font size=-1><b> $lt{'un'}:</b></font></td>
489: <td bgcolor="$mainbg"><br /><input type="text" name="uname" size="10" value="$authusername" /></td>
490: </tr>
491: <tr>
492: <td bgcolor="$mainbg"><font size=-1><b> $lt{'pw'}:</b></font></td>
493: <td bgcolor="$mainbg"><input type="password" name="upass$now" size="10" /></td>
494: </tr>
495: <tr>
496: <td bgcolor="$mainbg"><font size=-1><b> $lt{'dom'}:</b></font></td>
497: <td bgcolor="$mainbg"><input type="text" name="udom" size="10" value="$authdomain" /></td>
498: </tr>
499: <tr>
500: <td bgcolor="$mainbg"> <a href="/adm/loginproblems.html">$lt{'help'}</a></td>
501: <td bgcolor="$mainbg" valign="bottom" align="center">
502: <br />
503: <input type="submit" value="$lt{'log'}" />
504: </td>
505: </tr>
506: </table>
507: <!-- End sub-table -->
508: </form>
509: ENDLOGIN
510: if ($fullgraph) {
511: my $helpdeskscript;
512: my $contactblock = &contactdisplay(\%lt,$sysadm,$servadm,$version,$authdomain,\$helpdeskscript);
513: $r->print(<<ENDDOCUMENT);
514: </td>
515:
516: <!-- Row 4 Column 2 -->
517: <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
518:
519: <!-- Row 4 Column 3 -->
520: <td bgcolor="$mainbg">$announcements</td>
521:
522: <!-- Row 4 Column 4 -->
523: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
524: </tr>
525: <tr>
526:
527: <!-- Row 5 Column 1 -->
528: <td bgcolor="$sidebg" valign="middle" align="left">
529: <br />
530: <table border=0 cellspacing=0 cellpadding=0>
531: <tr>
532: <td bgcolor="$sidebg" align="left" valign="top">
533: <small><b> $lt{'dom'}: </b></small>
534: </td>
535: <td bgcolor="$sidebg" align="left" valign="top">
536: <small><tt> $domain</tt></small>
537: </td>
538: </tr>
539: <tr>
540: <td bgcolor="$sidebg" align="left" valign="top">
541: <small><b> $lt{'serv'}: </b></small>
542: </td>
543: <td bgcolor="$sidebg" align="left" valign="top">
544: <small><tt> $lonhost ($role)</tt></small>
545: </td>
546: </tr>
547: <tr>
548: <td bgcolor="$sidebg" align="left" valign="top">
549: <small><b> $lt{'load'}: </b></small>
550: </td>
551: <td bgcolor="$sidebg" align="left" valign="top">
552: <small><tt> $loadpercent $lt{'perc'}</tt></small>
553: </td>
554: </tr>
555: <tr>
556: <td bgcolor="$sidebg" align="left" valign="top">
557: <small><b> $lt{'userload'}: </b></small>
558: </td>
559: <td bgcolor="$sidebg" align="left" valign="top">
560: <small><tt> $userloadpercent $lt{'perc'}</tt></small>
561: </td>
562: </tr>
563: </table>
564: <br />
565: $contactblock
566: </td>
567:
568: <!-- Row 5 Column 2 -->
569: <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
570:
571: <!-- Row 5 Column 3 -->
572: <td width="100%" valign="bottom" bgcolor="$mainbg">
573: $domainlogo
574: </td>
575:
576: <!-- Row 5 Column 4 -->
577: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
578: </tr>
579: <tr>
580:
581: <!-- Row 6 Column 1 -->
582: <td bgcolor="$sidebg"> </td>
583:
584: <!-- Row 6 Column 2 -->
585: <td align="left" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerleft.gif" alt="" /></td>
586:
587: <!-- Row 6 Column 3 -->
588: <td background="$iconpath/fillbottom.gif"><img src="$iconpath/fillbottom.gif" alt="" /></td>
589:
590: <!-- Row 6 Column 4 -->
591: <td align="right" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerright.gif" alt="" /></td>
592: </tr>
593: </table>
594:
595: <script type="text/javascript">
596: // the if prevents the script error if the browser can not handle this
597: if ( document.client.uname ) { document.client.uname.focus(); }
598: </script>
599: $helpdeskscript
600:
601: ENDDOCUMENT
602: }
603: $r->print('</body></html>');
604: return OK;
605: }
606:
607: sub contactdisplay {
608: my ($lt,$sysadm,$servadm,$version,$authdomain,$helpdeskscript) = @_;
609: my $contactblock;
610: my $showsysadm = 1;
611: my $showservadm = 1;
612: my $showhelpdesk = 0;
613: my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
614: if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) {
615: $showhelpdesk = 1;
616: }
617: if ($showsysadm) {
618: $contactblock .= '<b> '.$$lt{'sysadm'}.':</b><br />'.
619: '<tt> '.$sysadm.'</tt><br />';
620: }
621: if ($showservadm) {
622: $contactblock .= '<b> '.$$lt{'servadm'}.':</b><br />'.
623: '<tt> '.$servadm.'</tt><br /> <br />';
624: }
625: if ($showhelpdesk) {
626: $contactblock .= '<b> <a href="javascript:helpdesk()">'.$$lt{'helpdesk'}.'</a></b><br />';
627: my $thisurl = &escape('/adm/login');
628: $$helpdeskscript = <<"ENDSCRIPT";
629: <script type="text/javascript">
630: function helpdesk() {
631: var codedom = document.client.udom.value;
632: if (codedom == '') {
633: codedom = "$authdomain";
634: }
635: var querystr = "origurl=$thisurl&codedom="+codedom;
636: document.location.href = "/adm/helpdesk?"+querystr;
637: return;
638: }
639: </script>
640: ENDSCRIPT
641: }
642: $contactblock .= <<"ENDBLOCK";
643: $version
644: ENDBLOCK
645: return $contactblock;
646: }
647:
648:
649: 1;
650: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>