1: # The LearningOnline Network
2: # Login Screen
3: #
4: # $Id: lonlogin.pm,v 1.104 2008/07/08 17:56:21 bisitz 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: $ENV{'REDIRECT_QUERY_STRING'}),
48: ['interface','username','domain','firsturl','localpath','localres',
49: 'token']);
50: if (!defined($env{'form.firsturl'})) {
51: &Apache::lonacc::get_posted_cgi($r,['firsturl']);
52: }
53:
54: # -- check if they are a migrating user
55: if (defined($env{'form.token'})) {
56: return &Apache::migrateuser::handler($r);
57: }
58:
59: &Apache::loncommon::no_cache($r);
60: &Apache::lonlocal::get_language_handle($r);
61: &Apache::loncommon::content_type($r,'text/html');
62: $r->send_http_header;
63: return OK if $r->header_only;
64:
65:
66: # Are we re-routing?
67: if (-e '/home/httpd/html/lon-status/reroute.txt') {
68: &Apache::lonauth::reroute($r);
69: return OK;
70: }
71:
72:
73: # -------------------------------- Prevent users from attempting to login twice
74: my $handle = &Apache::lonnet::check_for_valid_session($r);
75: if ($handle=~/^publicuser\_/) {
76: # For "public user" - remove it, we apparently really want to login
77: unlink($r->dir_config('lonIDsDir')."/$handle.id");
78: } elsif ($handle ne '') {
79: # Indeed, a valid token is found
80: my $start_page =
81: &Apache::loncommon::start_page('Already logged in');
82: my $end_page =
83: &Apache::loncommon::end_page();
84: $r->print(
85: $start_page
86: .'<h1>'.&mt('You are already logged in!').'</h1>'
87: .'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]logout[_4].',
88: '<a href="/adm/roles">','</a>','<a href="/adm/logout">','</a>').'</p>'
89: .'<p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'
90: .$end_page
91: );
92: return OK;
93: }
94:
95: # ---------------------------------------------------- No valid token, continue
96:
97: # ---------------------------- Not possible to really login to domain "public"
98: if ($env{'form.domain'} eq 'public') {
99: $env{'form.domain'}='';
100: $env{'form.username'}='';
101: }
102: # ----------------------------------------------------------- Process Interface
103: $env{'form.interface'}=~s/\W//g;
104:
105: my $textbrowsers=$r->dir_config('lonTextBrowsers');
106: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
107:
108: foreach (split(/\:/,$textbrowsers)) {
109: if ($httpbrowser=~/$_/i) {
110: $env{'form.interface'}='textual';
111: }
112: }
113:
114: my $fullgraph=($env{'form.interface'} ne 'textual');
115:
116: my $iconpath=
117: &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
118:
119: my $domain = &Apache::lonnet::default_login_domain();
120: if (($env{'form.domain'}) &&
121: (&Apache::lonnet::domain($env{'form.domain'},'description'))) {
122: $domain=$env{'form.domain'};
123: }
124: my $role = $r->dir_config('lonRole');
125: my $loadlim = $r->dir_config('lonLoadLim');
126: my $servadm = $r->dir_config('lonAdmEMail');
127: my $lonhost = $r->dir_config('lonHostID');
128: my $tabdir = $r->dir_config('lonTabDir');
129: my $include = $r->dir_config('lonIncludes');
130: my $expire = $r->dir_config('lonExpire');
131: my $version = $r->dir_config('lonVersion');
132: my $host_name = &Apache::lonnet::hostname($lonhost);
133:
134: # --------------------------------------------- Default values for login fields
135:
136: my $authusername=($env{'form.username'}?$env{'form.username'}:'');
137: my $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain);
138:
139: # ---------------------------------------------------------- Determine own load
140: my $loadavg;
141: {
142: my $loadfile=Apache::File->new('/proc/loadavg');
143: $loadavg=<$loadfile>;
144: }
145: $loadavg =~ s/\s.*//g;
146: my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
147: my $userloadpercent=&Apache::lonnet::userload();
148:
149: # ------------------------------------------------------- Do the load balancing
150: my $otherserver= &Apache::lonnet::absolute_url($host_name);
151: my $firsturl=
152: ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'});
153: # ---------------------------------------------------------- Are we overloaded?
154: if ((($userloadpercent>100.0)||($loadpercent>100.0))) {
155: my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent);
156: if ($unloaded) { $otherserver=$unloaded; }
157: }
158:
159: # ----------------------------------------------------------- Get announcements
160: my $announcements=&Apache::lonnet::getannounce();
161: # -------------------------------------------------------- Set login parameters
162:
163: my @hexstr=('0','1','2','3','4','5','6','7',
164: '8','9','a','b','c','d','e','f');
165: my $lkey='';
166: for (0..7) {
167: $lkey.=$hexstr[rand(15)];
168: }
169:
170: my $ukey='';
171: for (0..7) {
172: $ukey.=$hexstr[rand(15)];
173: }
174:
175: my $lextkey=hex($lkey);
176: if ($lextkey>2147483647) { $lextkey-=4294967296; }
177:
178: my $uextkey=hex($ukey);
179: if ($uextkey>2147483647) { $uextkey-=4294967296; }
180:
181: # -------------------------------------------------------- Store away log token
182: my $logtoken=Apache::lonnet::reply(
183: 'tmpput:'.$ukey.$lkey.'&'.$firsturl,
184: $lonhost);
185:
186: # ------------------- If we cannot talk to ourselves, we are in serious trouble
187:
188: if ($logtoken eq 'con_lost') {
189: my $spares='';
190: my $last;
191: foreach my $hostid (sort
192: {
193: &Apache::lonnet::hostname($a) cmp
194: &Apache::lonnet::hostname($b);
195: }
196: keys(%Apache::lonnet::spareid)) {
197: next if ($hostid eq $lonhost);
198: my $hostname = &Apache::lonnet::hostname($hostid);
199: next if ($last eq $hostname);
200: $spares.='<br /><font size="+1"><a href="http://'.
201: $hostname.
202: '/adm/login?domain='.$authdomain.'">'.
203: $hostname.'</a>'.
204: ' (preferred)</font>'.$/;
205: $last=$hostname;
206: }
207: $spares.= '<br />';
208: my %all_hostnames = &Apache::lonnet::all_hostnames();
209: foreach my $hostid (sort
210: {
211: &Apache::lonnet::hostname($a) cmp
212: &Apache::lonnet::hostname($b);
213: }
214: keys(%all_hostnames)) {
215: next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid});
216: my $hostname = &Apache::lonnet::hostname($hostid);
217: next if ($last eq $hostname);
218: $spares.='<br /><a href="http://'.
219: $hostname.
220: '/adm/login?domain='.$authdomain.'">'.
221: $hostname.'</a>';
222: $last=$hostname;
223: }
224: $r->print(
225: '<html>'
226: .'<head><title>'
227: .&mt('The LearningOnline Network with CAPA')
228: .'</title></head>'
229: .'<body bgcolor="#FFFFFF">'
230: .'<h1>'.&mt('The LearningOnline Network with CAPA').'</h1>'
231: .'<img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />'
232: .'<h3>'.&mt('This LON-CAPA server is temporarily not available for login.').'</h3>'
233: .'<p>'.&mt('Please attempt to login to one of the following servers:').'</p>'
234: .$spares
235: .'</body>'
236: .'</html>'
237: );
238: return OK;
239: }
240:
241: # ----------------------------------------------- Apparently we are in business
242: $servadm=~s/\,/\<br \/\>/g;
243:
244: # ----------------------------------------------------------- Front page design
245: my $pgbg=
246: ($fullgraph?&Apache::loncommon::designparm('login.pgbg',$domain):'#FFFFFF');
247: my $font=
248: ($fullgraph?&Apache::loncommon::designparm('login.font',$domain):'#000000');
249: my $link=
250: ($fullgraph?&Apache::loncommon::designparm('login.link',$domain):'#0000FF');
251: my $vlink=
252: ($fullgraph?&Apache::loncommon::designparm('login.vlink',$domain):'#0000FF');
253: my $alink=&Apache::loncommon::designparm('login.alink',$domain);
254: my $mainbg=
255: ($fullgraph?&Apache::loncommon::designparm('login.mainbg',$domain):'#FFFFFF');
256: my $sidebg=
257: ($fullgraph?&Apache::loncommon::designparm('login.sidebg',$domain):'#FFFFFF');
258: my $textcol =
259: ($fullgraph?&Apache::loncommon::designparm('login.textcol',$domain):'#000000');
260: my $bgcol =
261: ($fullgraph?&Apache::loncommon::designparm('login.bgcol',$domain):'#FFFFFF');
262: my $logo=&Apache::loncommon::designparm('login.logo',$domain);
263: my $img=&Apache::loncommon::designparm('login.img',$domain);
264: my $domainlogo=&Apache::loncommon::domainlogo($domain);
265: my $login=&Apache::loncommon::designparm('login.login',$domain);
266: if ($login eq '') {
267: $login = $iconpath.'/'.&mt('userauthentication.gif');
268: }
269: my $showadminmail=&Apache::loncommon::designparm('login.adminmail',$domain);
270: my $showcoursecat =
271: &Apache::loncommon::designparm('login.coursecatalog',$domain);
272: my $loginheader =&Apache::loncommon::designparm('login.loginheader',$domain);
273: my $shownewuserlink =
274: &Apache::loncommon::designparm('login.newuser',$domain);
275: my $now=time;
276: my $js = (<<ENDSCRIPT);
277:
278: <script language="JavaScript">
279: function send()
280: {
281: this.document.server.elements.uname.value
282: =this.document.client.elements.uname.value;
283:
284: this.document.server.elements.udom.value
285: =this.document.client.elements.udom.value;
286:
287: this.document.server.elements.imagesuppress.value
288: =this.document.client.elements.imagesuppress.checked;
289:
290: this.document.server.elements.embedsuppress.value
291: =this.document.client.elements.embedsuppress.checked;
292:
293: this.document.server.elements.appletsuppress.value
294: =this.document.client.elements.appletsuppress.checked;
295:
296: this.document.server.elements.fontenhance.value
297: =this.document.client.elements.fontenhance.checked;
298:
299: this.document.server.elements.blackwhite.value
300: =this.document.client.elements.blackwhite.checked;
301:
302: this.document.server.elements.remember.value
303: =this.document.client.elements.remember.checked;
304:
305: uextkey=this.document.client.elements.uextkey.value;
306: lextkey=this.document.client.elements.lextkey.value;
307: initkeys();
308:
309: this.document.server.elements.upass0.value
310: =crypted(this.document.client.elements.upass$now.value.substr(0,15));
311: this.document.server.elements.upass1.value
312: =crypted(this.document.client.elements.upass$now.value.substr(15,15));
313: this.document.server.elements.upass2.value
314: =crypted(this.document.client.elements.upass$now.value.substr(30,15));
315:
316: this.document.client.elements.uname.value='';
317: this.document.client.elements.upass$now.value='';
318:
319: this.document.server.submit();
320: return false;
321: }
322: </script>
323:
324: ENDSCRIPT
325:
326: # --------------------------------------------------- Print login screen header
327:
328: my %add_entries = (topmargin => "0",
329: leftmargin => "0",
330: marginheight => "0",
331: marginwidth => "0",
332: bgcolor => "$pgbg",
333: text => "$font",
334: link => "$link",
335: vlink => "$vlink",
336: alink => "$alink",);
337:
338: $r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',$js,
339: { 'redirect' => [$expire,'/adm/roles'],
340: 'add_entries' => \%add_entries,
341: 'only_body' => 1,}));
342:
343: # ----------------------------------------------------------------------- Texts
344:
345: my %lt=&Apache::lonlocal::texthash(
346: 'un' => 'Username',
347: 'pw' => 'Password',
348: 'dom' => 'Domain',
349: 'perc' => 'percent',
350: 'load' => 'Load',
351: 'userload' => 'User Load',
352: 'about' => 'About LON-CAPA',
353: 'access' => 'Accessibility Options',
354: 'catalog' => 'Course Catalog',
355: 'log' => 'Log in',
356: 'help' => 'Log-in Help',
357: 'serv' => 'Server',
358: 'servadm' => 'Server Administration',
359: 'helpdesk' => 'Contact Helpdesk',
360: 'forgotpw' => 'Forgot password?',
361: 'newuser' => 'New User?',
362: 'options_headline' => 'Select Accessibility Options',
363: 'sprs_img' => 'Suppress rendering of images',
364: 'sprs_applet' => 'Suppress Java applets',
365: 'sprs_embed' => 'Suppress rendering of embedded multimedia',
366: 'sprs_font' => 'Increase font size',
367: 'sprs_blackwhite' => 'Switch to black and white mode',
368: 'remember' => 'Remember these settings for next login');
369: # -------------------------------------------------- Change password field name
370: my $forgotpw = &forgotpwdisplay(%lt);
371: my $loginhelp = &loginhelpdisplay(%lt);
372:
373: # ---------------------------------------------------- Serve out DES JavaScript
374: {
375: my $jsh=Apache::File->new($include."/londes.js");
376: $r->print(<$jsh>);
377: }
378: # ---------------------------------------------------------- Serve rest of page
379:
380: if ($fullgraph) {
381: $r->print(
382: '<table width="100%" cellpadding=0 cellspacing=0 border=0>');
383: }
384:
385: $r->print(<<ENDSERVERFORM);
386: <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">
387: <input type="hidden" name="logtoken" value="$logtoken" />
388: <input type="hidden" name="serverid" value="$lonhost" />
389: <input type="hidden" name="interface" value="$env{'form.interface'}" />
390: <input type="hidden" name="uname" value="" />
391: <input type="hidden" name="upass0" value="" />
392: <input type="hidden" name="upass1" value="" />
393: <input type="hidden" name="upass2" value="" />
394: <input type="hidden" name="udom" value="" />
395: <input type="hidden" name="imagesuppress" value="" />
396: <input type="hidden" name="appletsuppress" value="" />
397: <input type="hidden" name="embedsuppress" value="" />
398: <input type="hidden" name="fontenhance" value="" />
399: <input type="hidden" name="blackwhite" value="" />
400: <input type="hidden" name="remember" value="" />
401: <input type="hidden" name="localpath" value="$env{'form.localpath'}" />
402: <input type="hidden" name="localres" value="$env{'form.localres'}" />
403: </form>
404: ENDSERVERFORM
405: my $coursecatalog;
406: if (($showcoursecat eq '') || ($showcoursecat)) {
407: $coursecatalog = &coursecatalog_link($lt{'catalog'});
408: }
409: my $newuserlink;
410: if ($shownewuserlink) {
411: $newuserlink = &newuser_link($lt{'newuser'});
412: }
413: if ($fullgraph) { $r->print(<<ENDTOP);
414: <!-- The LON-CAPA Header -->
415: <tr>
416:
417: <!-- Row 1 Columns 2-4 -->
418: <td width="100%" height=75 colspan=4 align="left" valign="top" bgcolor="$pgbg"><img src="$img" border=0 alt="The Learning Online Network with CAPA" /></td>
419: </tr>
420:
421: <!-- The gray bar that starts the two table frames -->
422: <tr>
423:
424: <!-- Row 2 Column 1 -->
425: <td width=182 height=27 bgcolor="$sidebg"> </td>
426:
427: <!-- Row 2 Column 2 -->
428: <td width=27 height=27 align="left" background="$iconpath/filltop.gif"><img src="$iconpath/upperleft.gif" border=0 alt="" /></td>
429:
430: <!-- Row 2 Column 3 -->
431: <td height=27 background="$iconpath/filltop.gif"><img src="$iconpath/filltop.gif" alt="" /></td>
432:
433: <!-- Row 2 Column 4 -->
434: <td width=27 height=27 align="right" background="$iconpath/filltop.gif"><img src="$iconpath/upperright.gif" border=0 alt="" /></td>
435: </tr>
436: <tr>
437:
438: <!-- A cell that will hold the 'access', 'about', and 'catalog' links -->
439: <!-- Row 3 Column 1 -->
440: <td valign="top" height="60" align="left" bgcolor="$sidebg">
441: <table cellpadding="0" cellspacing="2" border="0">
442: <tr>
443: <td> </td>
444: <td><a href="/adm/login?interface=textual"><b>$lt{'access'}</b></a></td>
445: </tr>
446: <tr>
447: <td> </td>
448: <td><a href="/adm/about.html"><b>$lt{'about'}</b></a></td>
449: </tr>$coursecatalog
450: <tr>
451: <td colspan="2"> </td>
452: </tr>
453: </table>
454: </td>
455: <!-- The shaded space between the two main columns -->
456: <!-- Row 3 Column 2 -->
457: <td width=27 height=60 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
458:
459: <!-- The right main column holding the large LON-CAPA logo-->
460: <!-- Rows 3-4 Column 3 -->
461: <td align="center" valign="top" width="100%" height="100%" bgcolor="$mainbg">
462: <center>
463: <img src="$logo" alt="" />
464: </center>
465: </td>
466:
467: <!-- Row 3 Column 4 -->
468: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
469: </tr>
470: <tr>
471:
472: <!-- The entry form -->
473: <!-- Row 4 Column 1 -->
474: <td align="center" valign="middle" bgcolor="$sidebg">
475: ENDTOP
476: } else {
477: $r->print('<h1>The Learning<i>Online</i> Network with CAPA</h1>'
478: .'<h2>'.&mt('Text-based Interface Login').'</h2>'
479: .$announcements);
480: }
481: $r->print('<form name="client" onsubmit="return(send())">');
482: unless ($fullgraph) {
483: $r->print(<<ENDACCESSOPTIONS);
484: <h3>$lt{'options_headline'}</h3>
485: <label><input type="checkbox" name="imagesuppress" /> $lt{'sprs_img'}</label><br />
486: <label><input type="checkbox" name="appletsuppress" /> $lt{'sprs_applet'}</label><br />
487: <label><input type="checkbox" name="embedsuppress" /> $lt{'sprs_embed'}</label><br />
488: <label><input type="checkbox" name="fontenhance" /> $lt{'sprs_font'}</label><br />
489: <label><input type="checkbox" name="blackwhite" /> $lt{'sprs_blackwhite'}</label><br />
490: <br />
491: <input type="checkbox" name="remember" /> $lt{'remember'}<hr />
492: ENDACCESSOPTIONS
493: } else {
494: $r->print(<<ENDNOOPT);
495: <input type="hidden" name="imagesuppress" value="" />
496: <input type="hidden" name="embedsuppress" value="" />
497: <input type="hidden" name="appletsuppress" value="" />
498: <input type="hidden" name="fontenhance" value="" />
499: <input type="hidden" name="blackwhite" value="" />
500: <input type="hidden" name="remember" value="" />
501: ENDNOOPT
502: }
503: my $logintitle;
504: if ($loginheader eq 'text') {
505: $logintitle = '<td bgcolor="'.$bgcol.'" colspan="2"> <b><font size="+1" color="'.$textcol.'">'.$lt{'log'}.'</font></b></td>';
506: } else {
507: $logintitle = '<td bgcolor="'.$sidebg.'" colspan="2"><img src="'.$login.'" alt="'.
508: &mt('User Authentication').'" /></td>';
509: }
510: my $noscript_warning='<td colspan="2" bgcolor="'.$mainbg.'">'
511: .'<noscript><div class="LC_warning"><font size="-1">'
512: .&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.')
513: .'</font></div></noscript></td>';
514: $r->print(<<ENDLOGIN);
515: <input type="hidden" name="lextkey" value="$lextkey">
516: <input type="hidden" name="uextkey" value="$uextkey">
517:
518: <!-- Start the sub-table for text and input alignment -->
519: <table border=0 cellspacing=0 cellpadding=0>
520: <tr>$logintitle</tr>
521: <tr>$noscript_warning</tr>
522: <tr>
523: <td bgcolor="$mainbg"><br /><font size=-1><b> <label for="uname">$lt{'un'}</label>:</b></font></td>
524: <td bgcolor="$mainbg"><br /><input type="text" name="uname" size="10" value="$authusername" /></td>
525: </tr>
526: <tr>
527: <td bgcolor="$mainbg"><font size=-1><b> <label for="upass$now">$lt{'pw'}</label>:</b></font></td>
528: <td bgcolor="$mainbg"><input type="password" name="upass$now" size="10" /></td>
529: </tr>
530: <tr>
531: <td bgcolor="$mainbg"><font size=-1><b> <label for="udom">$lt{'dom'}</label>:</b></font></td>
532: <td bgcolor="$mainbg"><input type="text" name="udom" size="10" value="$authdomain" /></td>
533: </tr>
534: <tr>
535: <td bgcolor="$mainbg"> </td>
536: <td bgcolor="$mainbg" valign="bottom" align="center">
537: <br />
538: <input type="submit" value="$lt{'log'}" />
539: </td>
540: </tr>
541: <tr>
542: <td bgcolor="$mainbg" valign="bottom" align="left" colspan="2">
543: $loginhelp
544: $forgotpw
545: $newuserlink
546: <br />
547: </td>
548: </tr>
549: </table>
550: <!-- End sub-table -->
551: </form>
552: ENDLOGIN
553: if ($fullgraph) {
554: my $helpdeskscript;
555: my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail,
556: $version,$authdomain,\$helpdeskscript);
557: $r->print(<<ENDDOCUMENT);
558: </td>
559:
560: <!-- Row 4 Column 2 -->
561: <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
562:
563: <!-- Row 4 Column 3 -->
564: <td bgcolor="$mainbg">$announcements</td>
565:
566: <!-- Row 4 Column 4 -->
567: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
568: </tr>
569: <tr>
570:
571: <!-- Row 5 Column 1 -->
572: <td bgcolor="$sidebg" valign="middle" align="left">
573: <br />
574: <table border=0 cellspacing=0 cellpadding=0>
575: <tr>
576: <td bgcolor="$sidebg" align="left" valign="top">
577: <small><b> $lt{'dom'}: </b></small>
578: </td>
579: <td bgcolor="$sidebg" align="left" valign="top">
580: <small><tt> $domain</tt></small>
581: </td>
582: </tr>
583: <tr>
584: <td bgcolor="$sidebg" align="left" valign="top">
585: <small><b> $lt{'serv'}: </b></small>
586: </td>
587: <td bgcolor="$sidebg" align="left" valign="top">
588: <small><tt> $lonhost ($role)</tt></small>
589: </td>
590: </tr>
591: <tr>
592: <td bgcolor="$sidebg" align="left" valign="top">
593: <small><b> $lt{'load'}: </b></small>
594: </td>
595: <td bgcolor="$sidebg" align="left" valign="top">
596: <small><tt> $loadpercent $lt{'perc'}</tt></small>
597: </td>
598: </tr>
599: <tr>
600: <td bgcolor="$sidebg" align="left" valign="top">
601: <small><b> $lt{'userload'}: </b></small>
602: </td>
603: <td bgcolor="$sidebg" align="left" valign="top">
604: <small><tt> $userloadpercent $lt{'perc'}</tt></small>
605: </td>
606: </tr>
607: </table>
608: <br />
609: $contactblock
610: </td>
611:
612: <!-- Row 5 Column 2 -->
613: <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
614:
615: <!-- Row 5 Column 3 -->
616: <td width="100%" valign="bottom" bgcolor="$mainbg">
617: $domainlogo
618: </td>
619:
620: <!-- Row 5 Column 4 -->
621: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
622: </tr>
623: <tr>
624:
625: <!-- Row 6 Column 1 -->
626: <td bgcolor="$sidebg"> </td>
627:
628: <!-- Row 6 Column 2 -->
629: <td align="left" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerleft.gif" alt="" /></td>
630:
631: <!-- Row 6 Column 3 -->
632: <td background="$iconpath/fillbottom.gif"><img src="$iconpath/fillbottom.gif" alt="" /></td>
633:
634: <!-- Row 6 Column 4 -->
635: <td align="right" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerright.gif" alt="" /></td>
636: </tr>
637: </table>
638:
639: <script type="text/javascript">
640: // the if prevents the script error if the browser can not handle this
641: if ( document.client.uname ) { document.client.uname.focus(); }
642: </script>
643: $helpdeskscript
644:
645: ENDDOCUMENT
646: }
647: my %endargs = ( 'noredirectlink' => 1, );
648: $r->print(&Apache::loncommon::end_page(\%endargs));
649: return OK;
650: }
651:
652: sub contactdisplay {
653: my ($lt,$servadm,$showadminmail,$version,$authdomain,$helpdeskscript) = @_;
654: my $contactblock;
655: my $showhelpdesk = 0;
656: my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
657: if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) {
658: $showhelpdesk = 1;
659: }
660: if ($servadm && $showadminmail) {
661: $contactblock .= '<b> '.$$lt{'servadm'}.':</b><br />'.
662: '<tt> '.$servadm.'</tt><br /> <br />';
663: }
664: if ($showhelpdesk) {
665: $contactblock .= '<b> <a href="javascript:helpdesk()"><font size="+1">'.$lt->{'helpdesk'}.'</font></a></b><br />';
666: my $thisurl = &escape('/adm/login');
667: $$helpdeskscript = <<"ENDSCRIPT";
668: <script type="text/javascript">
669: function helpdesk() {
670: var codedom = document.client.udom.value;
671: if (codedom == '') {
672: codedom = "$authdomain";
673: }
674: var querystr = "origurl=$thisurl&codedom="+codedom;
675: document.location.href = "/adm/helpdesk?"+querystr;
676: return;
677: }
678: </script>
679: ENDSCRIPT
680: }
681: $contactblock .= <<"ENDBLOCK";
682: $version
683: ENDBLOCK
684: return $contactblock;
685: }
686:
687: sub forgotpwdisplay {
688: my (%lt) = @_;
689: my $prompt_for_resetpw = 1;
690: if ($prompt_for_resetpw) {
691: return '<br /> <a href="/adm/resetpw">'.$lt{'forgotpw'}.'</a></b><br />';
692: }
693: return;
694: }
695:
696: sub loginhelpdisplay {
697: my (%lt) = @_;
698: my $login_help = 1;
699: if ($login_help) {
700: return ' <a href="/adm/loginproblems.html">'.$lt{'help'}.'</a></b>';
701: }
702: return;
703: }
704:
705: sub coursecatalog_link {
706: my ($linkname) = @_;
707: return <<"END";
708: <tr>
709: <td> </td>
710: <td><a href="/adm/coursecatalog"><b>$linkname</b></a></td>
711: </tr>
712: END
713: }
714:
715: sub newuser_link {
716: my ($linkname) = @_;
717: return ' <a href="/adm/createaccount"><b>'.$linkname.'</b></a><br />';
718: }
719:
720: 1;
721: __END__
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