1: # The LearningOnline Network
2: # Login Screen
3: #
4: # $Id: lonlogin.pm,v 1.106.2.3 2009/01/05 17:39:43 raeburn 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: $hostname.'</a>'.
204: ' '.&mt('(preferred)').'</font>'.$/;
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 $showbanner = 1;
270: my $showmainlogo = 1;
271: if (defined(&Apache::loncommon::designparm('login.showlogo_img',$domain))) {
272: $showbanner = &Apache::loncommon::designparm('login.showlogo_img',$domain);
273: }
274: if (defined(&Apache::loncommon::designparm('login.showlogo_logo',$domain))) {
275: $showmainlogo = &Apache::loncommon::designparm('login.showlogo_logo',$domain);
276: }
277: my $showadminmail=&Apache::loncommon::designparm('login.adminmail',$domain);
278: my $showcoursecat =
279: &Apache::loncommon::designparm('login.coursecatalog',$domain);
280: my $loginheader =&Apache::loncommon::designparm('login.loginheader',$domain);
281: my $shownewuserlink =
282: &Apache::loncommon::designparm('login.newuser',$domain);
283: my $now=time;
284: my $js = (<<ENDSCRIPT);
285:
286: <script language="JavaScript">
287: function send()
288: {
289: this.document.server.elements.uname.value
290: =this.document.client.elements.uname.value;
291:
292: this.document.server.elements.udom.value
293: =this.document.client.elements.udom.value;
294:
295: this.document.server.elements.imagesuppress.value
296: =this.document.client.elements.imagesuppress.checked;
297:
298: this.document.server.elements.embedsuppress.value
299: =this.document.client.elements.embedsuppress.checked;
300:
301: this.document.server.elements.appletsuppress.value
302: =this.document.client.elements.appletsuppress.checked;
303:
304: this.document.server.elements.fontenhance.value
305: =this.document.client.elements.fontenhance.checked;
306:
307: this.document.server.elements.blackwhite.value
308: =this.document.client.elements.blackwhite.checked;
309:
310: this.document.server.elements.remember.value
311: =this.document.client.elements.remember.checked;
312:
313: uextkey=this.document.client.elements.uextkey.value;
314: lextkey=this.document.client.elements.lextkey.value;
315: initkeys();
316:
317: this.document.server.elements.upass0.value
318: =crypted(this.document.client.elements.upass$now.value.substr(0,15));
319: this.document.server.elements.upass1.value
320: =crypted(this.document.client.elements.upass$now.value.substr(15,15));
321: this.document.server.elements.upass2.value
322: =crypted(this.document.client.elements.upass$now.value.substr(30,15));
323:
324: this.document.client.elements.uname.value='';
325: this.document.client.elements.upass$now.value='';
326:
327: this.document.server.submit();
328: return false;
329: }
330: </script>
331:
332: ENDSCRIPT
333:
334: # --------------------------------------------------- Print login screen header
335:
336: my %add_entries = (topmargin => "0",
337: leftmargin => "0",
338: marginheight => "0",
339: marginwidth => "0",
340: bgcolor => "$pgbg",
341: text => "$font",
342: link => "$link",
343: vlink => "$vlink",
344: alink => "$alink",);
345:
346: $r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',$js,
347: { 'redirect' => [$expire,'/adm/roles'],
348: 'add_entries' => \%add_entries,
349: 'only_body' => 1,}));
350:
351: # ----------------------------------------------------------------------- Texts
352:
353: my %lt=&Apache::lonlocal::texthash(
354: 'un' => 'Username',
355: 'pw' => 'Password',
356: 'dom' => 'Domain',
357: 'load' => 'Server Load',
358: 'userload' => 'User Load',
359: 'about' => 'About LON-CAPA',
360: 'access' => 'Accessibility Options',
361: 'catalog' => 'Course Catalog',
362: 'log' => 'Log in',
363: 'help' => 'Log-in Help',
364: 'serv' => 'Server',
365: 'servadm' => 'Server Administration',
366: 'helpdesk' => 'Contact Helpdesk',
367: 'forgotpw' => 'Forgot password?',
368: 'newuser' => 'New User?',
369: 'options_headline' => 'Select Accessibility Options',
370: 'sprs_img' => 'Suppress rendering of images',
371: 'sprs_applet' => 'Suppress Java applets',
372: 'sprs_embed' => 'Suppress rendering of embedded multimedia',
373: 'sprs_font' => 'Increase font size',
374: 'sprs_blackwhite' => 'Switch to black and white mode',
375: 'remember' => 'Remember these settings for next login');
376: # -------------------------------------------------- Change password field name
377: my $forgotpw = &forgotpwdisplay(%lt);
378: my $loginhelp = &loginhelpdisplay(%lt);
379:
380: # ---------------------------------------------------- Serve out DES JavaScript
381: {
382: my $jsh=Apache::File->new($include."/londes.js");
383: $r->print(<$jsh>);
384: }
385: # ---------------------------------------------------------- Serve rest of page
386:
387: if ($fullgraph) {
388: $r->print(
389: '<table width="100%" cellpadding=0 cellspacing=0 border=0>');
390: }
391:
392: $r->print(<<ENDSERVERFORM);
393: <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">
394: <input type="hidden" name="logtoken" value="$logtoken" />
395: <input type="hidden" name="serverid" value="$lonhost" />
396: <input type="hidden" name="interface" value="$env{'form.interface'}" />
397: <input type="hidden" name="uname" value="" />
398: <input type="hidden" name="upass0" value="" />
399: <input type="hidden" name="upass1" value="" />
400: <input type="hidden" name="upass2" value="" />
401: <input type="hidden" name="udom" value="" />
402: <input type="hidden" name="imagesuppress" value="" />
403: <input type="hidden" name="appletsuppress" value="" />
404: <input type="hidden" name="embedsuppress" value="" />
405: <input type="hidden" name="fontenhance" value="" />
406: <input type="hidden" name="blackwhite" value="" />
407: <input type="hidden" name="remember" value="" />
408: <input type="hidden" name="localpath" value="$env{'form.localpath'}" />
409: <input type="hidden" name="localres" value="$env{'form.localres'}" />
410: </form>
411: ENDSERVERFORM
412: my $coursecatalog;
413: if (($showcoursecat eq '') || ($showcoursecat)) {
414: $coursecatalog = &coursecatalog_link($lt{'catalog'});
415: }
416: my $newuserlink;
417: if ($shownewuserlink) {
418: $newuserlink = &newuser_link($lt{'newuser'});
419: }
420: if ($fullgraph) {
421: $r->print(<<HEADER);
422: <!-- The LON-CAPA Header -->
423: <tr>
424:
425: <!-- Row 1 Columns 2-4 -->
426: <td width="100%" height=75 colspan=4 align="left" valign="top" bgcolor="$pgbg">
427: HEADER
428: if ($showbanner) {
429: $r->print(<<ENDBANNER);
430: <img src="$img" border=0 alt="The Learning Online Network with CAPA" />
431: ENDBANNER
432: }
433: $r->print(<<ENDSTART);
434: </td>
435: </tr>
436:
437: <!-- The gray bar that starts the two table frames -->
438: <tr>
439:
440: <!-- Row 2 Column 1 -->
441: <td width=182 height=27 bgcolor="$sidebg"> </td>
442:
443: <!-- Row 2 Column 2 -->
444: <td width=27 height=27 align="left" background="$iconpath/filltop.gif"><img src="$iconpath/upperleft.gif" border=0 alt="" /></td>
445:
446: <!-- Row 2 Column 3 -->
447: <td height=27 background="$iconpath/filltop.gif"><img src="$iconpath/filltop.gif" alt="" /></td>
448:
449: <!-- Row 2 Column 4 -->
450: <td width=27 height=27 align="right" background="$iconpath/filltop.gif"><img src="$iconpath/upperright.gif" border=0 alt="" /></td>
451: </tr>
452: <tr>
453:
454: <!-- A cell that will hold the 'access', 'about', and 'catalog' links -->
455: <!-- Row 3 Column 1 -->
456: <td valign="top" height="60" align="left" bgcolor="$sidebg">
457: <table cellpadding="0" cellspacing="2" border="0">
458: <tr>
459: <td> </td>
460: <td><a href="/adm/login?interface=textual"><b>$lt{'access'}</b></a></td>
461: </tr>
462: <tr>
463: <td> </td>
464: <td><a href="/adm/about.html"><b>$lt{'about'}</b></a></td>
465: </tr>$coursecatalog
466: <tr>
467: <td colspan="2"> </td>
468: </tr>
469: </table>
470: </td>
471: <!-- The shaded space between the two main columns -->
472: <!-- Row 3 Column 2 -->
473: <td width=27 height=60 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
474:
475: <!-- The right main column holding the large LON-CAPA logo-->
476: <!-- Rows 3-4 Column 3 -->
477: <td align="center" valign="top" width="100%" height="100%" bgcolor="$mainbg">
478: ENDSTART
479: if ($showmainlogo) {
480: $r->print(<<ENDLOGO);
481: <center>
482: <img src="$logo" alt="" />
483: </center>
484: ENDLOGO
485: }
486: $r->print(<<ENDTOP);
487: </td>
488:
489: <!-- Row 3 Column 4 -->
490: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
491: </tr>
492: <tr>
493:
494: <!-- The entry form -->
495: <!-- Row 4 Column 1 -->
496: <td align="center" valign="middle" bgcolor="$sidebg">
497: ENDTOP
498: } else {
499: $r->print('<h1>The Learning<i>Online</i> Network with CAPA</h1>'
500: .'<h2>'.&mt('Text-based Interface Login').'</h2>'
501: .$announcements);
502: }
503: $r->print('<form name="client" onsubmit="return(send())">');
504: unless ($fullgraph) {
505: $r->print(<<ENDACCESSOPTIONS);
506: <h3>$lt{'options_headline'}</h3>
507: <label><input type="checkbox" name="imagesuppress" /> $lt{'sprs_img'}</label><br />
508: <label><input type="checkbox" name="appletsuppress" /> $lt{'sprs_applet'}</label><br />
509: <label><input type="checkbox" name="embedsuppress" /> $lt{'sprs_embed'}</label><br />
510: <label><input type="checkbox" name="fontenhance" /> $lt{'sprs_font'}</label><br />
511: <label><input type="checkbox" name="blackwhite" /> $lt{'sprs_blackwhite'}</label><br />
512: <br />
513: <input type="checkbox" name="remember" /> $lt{'remember'}<hr />
514: ENDACCESSOPTIONS
515: } else {
516: $r->print(<<ENDNOOPT);
517: <input type="hidden" name="imagesuppress" value="" />
518: <input type="hidden" name="embedsuppress" value="" />
519: <input type="hidden" name="appletsuppress" value="" />
520: <input type="hidden" name="fontenhance" value="" />
521: <input type="hidden" name="blackwhite" value="" />
522: <input type="hidden" name="remember" value="" />
523: ENDNOOPT
524: }
525: my $logintitle;
526: if ($loginheader eq 'text') {
527: $logintitle = '<td bgcolor="'.$bgcol.'" colspan="2"> <b><font size="+1" color="'.$textcol.'">'.$lt{'log'}.'</font></b></td>';
528: } else {
529: $logintitle = '<td bgcolor="'.$sidebg.'" colspan="2"><img src="'.$login.'" alt="'.
530: &mt('User Authentication').'" /></td>';
531: }
532: my $noscript_warning='<td colspan="2" bgcolor="'.$mainbg.'">'
533: .'<noscript><div class="LC_warning"><font size="-1">'
534: .&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.')
535: .'</font></div></noscript></td>';
536: $r->print(<<ENDLOGIN);
537: <input type="hidden" name="lextkey" value="$lextkey">
538: <input type="hidden" name="uextkey" value="$uextkey">
539:
540: <!-- Start the sub-table for text and input alignment -->
541: <table border=0 cellspacing=0 cellpadding=0>
542: <tr>$logintitle</tr>
543: <tr>$noscript_warning</tr>
544: <tr>
545: <td bgcolor="$mainbg"><br /><font size=-1><b> <label for="uname">$lt{'un'}</label>:</b></font></td>
546: <td bgcolor="$mainbg"><br /><input type="text" name="uname" size="10" value="$authusername" /></td>
547: </tr>
548: <tr>
549: <td bgcolor="$mainbg"><font size=-1><b> <label for="upass$now">$lt{'pw'}</label>:</b></font></td>
550: <td bgcolor="$mainbg"><input type="password" name="upass$now" size="10" /></td>
551: </tr>
552: <tr>
553: <td bgcolor="$mainbg"><font size=-1><b> <label for="udom">$lt{'dom'}</label>:</b></font></td>
554: <td bgcolor="$mainbg"><input type="text" name="udom" size="10" value="$authdomain" /></td>
555: </tr>
556: <tr>
557: <td bgcolor="$mainbg"> </td>
558: <td bgcolor="$mainbg" valign="bottom" align="center">
559: <br />
560: <input type="submit" value="$lt{'log'}" />
561: </td>
562: </tr>
563: <tr>
564: <td bgcolor="$mainbg" valign="bottom" align="left" colspan="2">
565: $loginhelp
566: $forgotpw
567: $newuserlink
568: <br />
569: </td>
570: </tr>
571: </table>
572: <!-- End sub-table -->
573: </form>
574: ENDLOGIN
575: if ($fullgraph) {
576: my $helpdeskscript;
577: my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail,
578: $version,$authdomain,\$helpdeskscript);
579: $r->print(<<ENDDOCUMENT);
580: </td>
581:
582: <!-- Row 4 Column 2 -->
583: <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
584:
585: <!-- Row 4 Column 3 -->
586: <td bgcolor="$mainbg">$announcements</td>
587:
588: <!-- Row 4 Column 4 -->
589: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
590: </tr>
591: <tr>
592:
593: <!-- Row 5 Column 1 -->
594: <td bgcolor="$sidebg" valign="middle" align="left">
595: <br />
596: <table border=0 cellspacing=0 cellpadding=0>
597: <tr>
598: <td bgcolor="$sidebg" align="left" valign="top">
599: <small><b> $lt{'dom'}: </b></small>
600: </td>
601: <td bgcolor="$sidebg" align="left" valign="middle">
602: <small><tt> $domain</tt></small>
603: </td>
604: </tr>
605: <tr>
606: <td bgcolor="$sidebg" align="left" valign="top">
607: <small><b> $lt{'serv'}: </b></small>
608: </td>
609: <td bgcolor="$sidebg" align="left" valign="middle">
610: <small><tt> $lonhost ($role)</tt></small>
611: </td>
612: </tr>
613: <tr>
614: <td bgcolor="$sidebg" align="left" valign="top"><span class="LC_nobreak">
615: <small><b> $lt{'load'}: </b></small></span>
616: </td>
617: <td bgcolor="$sidebg" align="left" valign="middle">
618: <small><tt> $loadpercent%</tt></small>
619: </td>
620: </tr>
621: <tr>
622: <td bgcolor="$sidebg" align="left" valign="top"><span class="LC_nobreak">
623: <small><b> $lt{'userload'}: </b></small></span>
624: </td>
625: <td bgcolor="$sidebg" align="left" valign="middle">
626: <small><tt> $userloadpercent%</tt></small>
627: </td>
628: </tr>
629: </table>
630: <br />
631: $contactblock
632: </td>
633:
634: <!-- Row 5 Column 2 -->
635: <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
636:
637: <!-- Row 5 Column 3 -->
638: <td width="100%" valign="bottom" bgcolor="$mainbg">
639: $domainlogo
640: </td>
641:
642: <!-- Row 5 Column 4 -->
643: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
644: </tr>
645: <tr>
646:
647: <!-- Row 6 Column 1 -->
648: <td bgcolor="$sidebg"> </td>
649:
650: <!-- Row 6 Column 2 -->
651: <td align="left" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerleft.gif" alt="" /></td>
652:
653: <!-- Row 6 Column 3 -->
654: <td background="$iconpath/fillbottom.gif"><img src="$iconpath/fillbottom.gif" alt="" /></td>
655:
656: <!-- Row 6 Column 4 -->
657: <td align="right" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerright.gif" alt="" /></td>
658: </tr>
659: </table>
660:
661: <script type="text/javascript">
662: // the if prevents the script error if the browser can not handle this
663: if ( document.client.uname ) { document.client.uname.focus(); }
664: </script>
665: $helpdeskscript
666:
667: ENDDOCUMENT
668: }
669: my %endargs = ( 'noredirectlink' => 1, );
670: $r->print(&Apache::loncommon::end_page(\%endargs));
671: return OK;
672: }
673:
674: sub contactdisplay {
675: my ($lt,$servadm,$showadminmail,$version,$authdomain,$helpdeskscript) = @_;
676: my $contactblock;
677: my $showhelpdesk = 0;
678: my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
679: if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) {
680: $showhelpdesk = 1;
681: }
682: if ($servadm && $showadminmail) {
683: $contactblock .= '<b> '.$$lt{'servadm'}.':</b><br />'.
684: '<tt> '.$servadm.'</tt><br /> <br />';
685: }
686: if ($showhelpdesk) {
687: $contactblock .= '<b> <a href="javascript:helpdesk()"><font size="+1">'.$lt->{'helpdesk'}.'</font></a></b><br />';
688: my $thisurl = &escape('/adm/login');
689: $$helpdeskscript = <<"ENDSCRIPT";
690: <script type="text/javascript">
691: function helpdesk() {
692: var codedom = document.client.udom.value;
693: if (codedom == '') {
694: codedom = "$authdomain";
695: }
696: var querystr = "origurl=$thisurl&codedom="+codedom;
697: document.location.href = "/adm/helpdesk?"+querystr;
698: return;
699: }
700: </script>
701: ENDSCRIPT
702: }
703: $contactblock .= <<"ENDBLOCK";
704: $version
705: ENDBLOCK
706: return $contactblock;
707: }
708:
709: sub forgotpwdisplay {
710: my (%lt) = @_;
711: my $prompt_for_resetpw = 1;
712: if ($prompt_for_resetpw) {
713: return '<br /> <a href="/adm/resetpw">'.$lt{'forgotpw'}.'</a></b><br />';
714: }
715: return;
716: }
717:
718: sub loginhelpdisplay {
719: my (%lt) = @_;
720: my $login_help = 1;
721: if ($login_help) {
722: return ' <a href="/adm/loginproblems.html">'.$lt{'help'}.'</a></b>';
723: }
724: return;
725: }
726:
727: sub coursecatalog_link {
728: my ($linkname) = @_;
729: return <<"END";
730: <tr>
731: <td> </td>
732: <td><a href="/adm/coursecatalog"><b>$linkname</b></a></td>
733: </tr>
734: END
735: }
736:
737: sub newuser_link {
738: my ($linkname) = @_;
739: return ' <a href="/adm/createaccount"><b>'.$linkname.'</b></a><br />';
740: }
741:
742: 1;
743: __END__
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