File:
[LON-CAPA] /
loncom /
auth /
lonlogin.pm
Revision
1.98:
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Wed Jan 16 20:42:44 2008 UTC (16 years, 5 months ago) by
raeburn
Branches:
MAIN
CVS tags:
version_2_6_1,
HEAD
Bug 5577.
domainprefs.pm
- On log-in page, log-in box can use either an image or text. DC can choose which of these to use, and override default image and text color and background.
- javascript functions - colchg_span() and get_id() added to support dhtml-driven change of colors in square boxes used for legend for background colors, when new colors are chosen from the color picker
- &Apache::loncommon::devalidate_domconfig_cache() called in more cases when configuration changes have been made for a domain.
lonlogin.pm
- replace html tags for start end end of page with loncommon::start_page() and loncommon::end_page()
- log-in box can use either an image (e.g., userauthentication.gif) or text (configurable by DC via "Domain Configuration")
loncommon.pm
- &designparm() will retrieve settings for log-in box header on log-in page: image, text color, and background color.
- &endbodytag() can take an optional argument (a ref to a hash) which if key of noredirectlink is true in the hash will suppress display of a 'Continue' link in the case where the $env{'internal.head.redirect'} exists.
default.tab
- new parameters added for default log-in box header - a default image, and default colors for text and background.
1: # The LearningOnline Network
2: # Login Screen
3: #
4: # $Id: lonlogin.pm,v 1.98 2008/01/16 20:42:44 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: $ENV{'REDIRECT_QUERY_STRING'}),
48: ['interface','username','domain','firsturl','localpath','localres',
49: 'token']);
50:
51: # -- check if they are a migrating user
52: if (defined($env{'form.token'})) {
53: return &Apache::migrateuser::handler($r);
54: }
55:
56: &Apache::loncommon::no_cache($r);
57: &Apache::lonlocal::get_language_handle($r);
58: &Apache::loncommon::content_type($r,'text/html');
59: $r->send_http_header;
60: return OK if $r->header_only;
61:
62:
63: # Are we re-routing?
64: if (-e '/home/httpd/html/lon-status/reroute.txt') {
65: &Apache::lonauth::reroute($r);
66: return OK;
67: }
68:
69:
70: # -------------------------------- Prevent users from attempting to login twice
71: my $handle = &Apache::lonnet::check_for_valid_session($r);
72: if ($handle=~/^publicuser\_/) {
73: # For "public user" - remove it, we apparently really want to login
74: unlink($r->dir_config('lonIDsDir')."/$handle.id");
75: } elsif ($handle ne '') {
76: # Indeed, a valid token is found
77: my $start_page =
78: &Apache::loncommon::start_page('Already logged in');
79: my $end_page =
80: &Apache::loncommon::end_page();
81: $r->print(<<ENDFAILED);
82: $start_page
83: <h1>You are already logged in</h1>
84: <p>Please either <a href="/adm/roles">continue the current session</a> or
85: <a href="/adm/logout">logout</a>.</p>
86: <p>
87: <a href="/adm/loginproblems.html">Problems?</a></p>
88: $end_page
89: ENDFAILED
90: return OK;
91: }
92:
93: # ---------------------------------------------------- No valid token, continue
94:
95: # ---------------------------- Not possible to really login to domain "public"
96: if ($env{'form.domain'} eq 'public') {
97: $env{'form.domain'}='';
98: $env{'form.username'}='';
99: }
100: # ----------------------------------------------------------- Process Interface
101: $env{'form.interface'}=~s/\W//g;
102:
103: my $textbrowsers=$r->dir_config('lonTextBrowsers');
104: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
105:
106: foreach (split(/\:/,$textbrowsers)) {
107: if ($httpbrowser=~/$_/i) {
108: $env{'form.interface'}='textual';
109: }
110: }
111:
112: my $fullgraph=($env{'form.interface'} ne 'textual');
113:
114: my $iconpath=
115: &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
116:
117: my $domain = &Apache::lonnet::default_login_domain();
118: if (($env{'form.domain'}) &&
119: (&Apache::lonnet::domain($env{'form.domain'},'description'))) {
120: $domain=$env{'form.domain'};
121: }
122: my $role = $r->dir_config('lonRole');
123: my $loadlim = $r->dir_config('lonLoadLim');
124: my $servadm = $r->dir_config('lonAdmEMail');
125: my $lonhost = $r->dir_config('lonHostID');
126: my $tabdir = $r->dir_config('lonTabDir');
127: my $include = $r->dir_config('lonIncludes');
128: my $expire = $r->dir_config('lonExpire');
129: my $version = $r->dir_config('lonVersion');
130: my $host_name = &Apache::lonnet::hostname($lonhost);
131:
132: # --------------------------------------------- Default values for login fields
133:
134: my $authusername=($env{'form.username'}?$env{'form.username'}:'');
135: my $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain);
136:
137: # ---------------------------------------------------------- Determine own load
138: my $loadavg;
139: {
140: my $loadfile=Apache::File->new('/proc/loadavg');
141: $loadavg=<$loadfile>;
142: }
143: $loadavg =~ s/\s.*//g;
144: my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
145: my $userloadpercent=&Apache::lonnet::userload();
146:
147: # ------------------------------------------------------- Do the load balancing
148: my $otherserver= &Apache::lonnet::absolute_url($host_name);
149: my $firsturl=
150: ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'});
151: # ---------------------------------------------------------- Are we overloaded?
152: if ((($userloadpercent>100.0)||($loadpercent>100.0))) {
153: my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent);
154: if ($unloaded) { $otherserver=$unloaded; }
155: }
156:
157: # ----------------------------------------------------------- Get announcements
158: my $announcements=&Apache::lonnet::getannounce();
159: # -------------------------------------------------------- Set login parameters
160:
161: my @hexstr=('0','1','2','3','4','5','6','7',
162: '8','9','a','b','c','d','e','f');
163: my $lkey='';
164: for (0..7) {
165: $lkey.=$hexstr[rand(15)];
166: }
167:
168: my $ukey='';
169: for (0..7) {
170: $ukey.=$hexstr[rand(15)];
171: }
172:
173: my $lextkey=hex($lkey);
174: if ($lextkey>2147483647) { $lextkey-=4294967296; }
175:
176: my $uextkey=hex($ukey);
177: if ($uextkey>2147483647) { $uextkey-=4294967296; }
178:
179: # -------------------------------------------------------- Store away log token
180: my $logtoken=Apache::lonnet::reply(
181: 'tmpput:'.$ukey.$lkey.'&'.$firsturl,
182: $lonhost);
183:
184: # ------------------- If we cannot talk to ourselves, we are in serious trouble
185:
186: if ($logtoken eq 'con_lost') {
187: my $spares='';
188: my $last;
189: foreach my $hostid (sort
190: {
191: &Apache::lonnet::hostname($a) cmp
192: &Apache::lonnet::hostname($b);
193: }
194: keys(%Apache::lonnet::spareid)) {
195: next if ($hostid eq $lonhost);
196: my $hostname = &Apache::lonnet::hostname($hostid);
197: next if ($last eq $hostname);
198: $spares.='<br /><font size="+1"><a href="http://'.
199: $hostname.
200: '/adm/login?domain='.$authdomain.'">'.
201: $hostname.'</a>'.
202: ' (preferred)</font>'.$/;
203: $last=$hostname;
204: }
205: $spares.= '<br />';
206: my %all_hostnames = &Apache::lonnet::all_hostnames();
207: foreach my $hostid (sort
208: {
209: &Apache::lonnet::hostname($a) cmp
210: &Apache::lonnet::hostname($b);
211: }
212: keys(%all_hostnames)) {
213: next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid});
214: my $hostname = &Apache::lonnet::hostname($hostid);
215: next if ($last eq $hostname);
216: $spares.='<br /><a href="http://'.
217: $hostname.
218: '/adm/login?domain='.$authdomain.'">'.
219: $hostname.'</a>';
220: $last=$hostname;
221: }
222: $r->print(<<ENDTROUBLE);
223: <html>
224: <head><title>The LearningOnline Network with CAPA</title></head>
225: <body bgcolor="#FFFFFF">
226: <img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />
227: <h3>This LON-CAPA server is temporarily not available for login</h3>
228: <p>Please attempt to login to one of the following servers:</p>$spares
229: </body>
230: </html>
231: ENDTROUBLE
232: return OK;
233: }
234:
235: # ----------------------------------------------- Apparently we are in business
236: $servadm=~s/\,/\<br \/\>/g;
237:
238: # ----------------------------------------------------------- Front page design
239: my $pgbg=
240: ($fullgraph?&Apache::loncommon::designparm('login.pgbg',$domain):'#FFFFFF');
241: my $font=
242: ($fullgraph?&Apache::loncommon::designparm('login.font',$domain):'#000000');
243: my $link=
244: ($fullgraph?&Apache::loncommon::designparm('login.link',$domain):'#0000FF');
245: my $vlink=
246: ($fullgraph?&Apache::loncommon::designparm('login.vlink',$domain):'#0000FF');
247: my $alink=&Apache::loncommon::designparm('login.alink',$domain);
248: my $mainbg=
249: ($fullgraph?&Apache::loncommon::designparm('login.mainbg',$domain):'#FFFFFF');
250: my $sidebg=
251: ($fullgraph?&Apache::loncommon::designparm('login.sidebg',$domain):'#FFFFFF');
252: my $textcol =
253: ($fullgraph?&Apache::loncommon::designparm('login.textcol',$domain):'#000000');
254: my $bgcol =
255: ($fullgraph?&Apache::loncommon::designparm('login.bgcol',$domain):'#FFFFFF');
256: my $logo=&Apache::loncommon::designparm('login.logo',$domain);
257: my $img=&Apache::loncommon::designparm('login.img',$domain);
258: my $domainlogo=&Apache::loncommon::domainlogo($domain);
259: my $login=&Apache::loncommon::designparm('login.login',$domain);
260: if ($login eq '') {
261: $login = $iconpath.'/'.&mt('userauthentication.gif');
262: }
263: my $showadminmail=&Apache::loncommon::designparm('login.adminmail',$domain);
264: my $showcoursecat =
265: &Apache::loncommon::designparm('login.coursecatalog',$domain);
266: my $loginheader =&Apache::loncommon::designparm('login.loginheader',$domain);
267: my $now=time;
268: my $js = (<<ENDSCRIPT);
269:
270: <script language="JavaScript">
271: function send()
272: {
273: this.document.server.elements.uname.value
274: =this.document.client.elements.uname.value;
275:
276: this.document.server.elements.udom.value
277: =this.document.client.elements.udom.value;
278:
279: this.document.server.elements.imagesuppress.value
280: =this.document.client.elements.imagesuppress.checked;
281:
282: this.document.server.elements.embedsuppress.value
283: =this.document.client.elements.embedsuppress.checked;
284:
285: this.document.server.elements.appletsuppress.value
286: =this.document.client.elements.appletsuppress.checked;
287:
288: this.document.server.elements.fontenhance.value
289: =this.document.client.elements.fontenhance.checked;
290:
291: this.document.server.elements.blackwhite.value
292: =this.document.client.elements.blackwhite.checked;
293:
294: this.document.server.elements.remember.value
295: =this.document.client.elements.remember.checked;
296:
297: uextkey=this.document.client.elements.uextkey.value;
298: lextkey=this.document.client.elements.lextkey.value;
299: initkeys();
300:
301: this.document.server.elements.upass0.value
302: =crypted(this.document.client.elements.upass$now.value.substr(0,15));
303: this.document.server.elements.upass1.value
304: =crypted(this.document.client.elements.upass$now.value.substr(15,15));
305: this.document.server.elements.upass2.value
306: =crypted(this.document.client.elements.upass$now.value.substr(30,15));
307:
308: this.document.client.elements.uname.value='';
309: this.document.client.elements.upass$now.value='';
310:
311: this.document.server.submit();
312: return false;
313: }
314: </script>
315:
316: ENDSCRIPT
317:
318: # --------------------------------------------------- Print login screen header
319:
320: my %add_entries = (topmargin => "0",
321: leftmargin => "0",
322: marginheight => "0",
323: marginwidth => "0",
324: bgcolor => "$pgbg",
325: text => "$font",
326: link => "$link",
327: vlink => "$vlink",
328: alink => "$alink",);
329:
330: $r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',$js,
331: { 'redirect' => [$expire,'/adm/roles'],
332: 'add_entries' => \%add_entries,
333: 'only_body' => 1,}));
334:
335: # ----------------------------------------------------------------------- Texts
336:
337: my %lt=&Apache::lonlocal::texthash(
338: 'un' => 'Username',
339: 'pw' => 'Password',
340: 'dom' => 'Domain',
341: 'perc' => 'percent',
342: 'load' => 'Load',
343: 'userload' => 'User Load',
344: 'about' => 'About LON-CAPA',
345: 'access' => 'Accessibility Options',
346: 'catalog' => 'Course Catalog',
347: 'log' => 'Log in',
348: 'help' => 'Log-in Help',
349: 'serv' => 'Server',
350: 'servadm' => 'Server Administration',
351: 'helpdesk' => 'Contact Helpdesk',
352: 'forgotpw' => 'Forgot password?');
353: # -------------------------------------------------- Change password field name
354: my $forgotpw = &forgotpwdisplay(%lt);
355: my $loginhelp = &loginhelpdisplay(%lt);
356:
357: # ---------------------------------------------------- Serve out DES JavaScript
358: {
359: my $jsh=Apache::File->new($include."/londes.js");
360: $r->print(<$jsh>);
361: }
362: # ---------------------------------------------------------- Serve rest of page
363:
364: if ($fullgraph) {
365: $r->print(
366: '<table width="100%" cellpadding=0 cellspacing=0 border=0>');
367: }
368:
369: $r->print(<<ENDSERVERFORM);
370: <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">
371: <input type="hidden" name="logtoken" value="$logtoken" />
372: <input type="hidden" name="serverid" value="$lonhost" />
373: <input type="hidden" name="interface" value="$env{'form.interface'}" />
374: <input type="hidden" name="uname" value="" />
375: <input type="hidden" name="upass0" value="" />
376: <input type="hidden" name="upass1" value="" />
377: <input type="hidden" name="upass2" value="" />
378: <input type="hidden" name="udom" value="" />
379: <input type="hidden" name="imagesuppress" value="" />
380: <input type="hidden" name="appletsuppress" value="" />
381: <input type="hidden" name="embedsuppress" value="" />
382: <input type="hidden" name="fontenhance" value="" />
383: <input type="hidden" name="blackwhite" value="" />
384: <input type="hidden" name="remember" value="" />
385: <input type="hidden" name="localpath" value="$env{'form.localpath'}" />
386: <input type="hidden" name="localres" value="$env{'form.localres'}" />
387: </form>
388: ENDSERVERFORM
389: my $coursecatalog;
390: if (($showcoursecat eq '') || ($showcoursecat)) {
391: $coursecatalog = &coursecatalog_link($lt{'catalog'});
392: }
393: if ($fullgraph) { $r->print(<<ENDTOP);
394: <!-- The LON-CAPA Header -->
395: <tr>
396:
397: <!-- Row 1 Columns 2-4 -->
398: <td width="100%" height=75 colspan=4 align="left" valign="top" bgcolor="$pgbg"><img src="$img" border=0 alt="The Learning Online Network with CAPA" /></td>
399: </tr>
400:
401: <!-- The gray bar that starts the two table frames -->
402: <tr>
403:
404: <!-- Row 2 Column 1 -->
405: <td width=182 height=27 bgcolor="$sidebg"> </td>
406:
407: <!-- Row 2 Column 2 -->
408: <td width=27 height=27 align="left" background="$iconpath/filltop.gif"><img src="$iconpath/upperleft.gif" border=0 alt="" /></td>
409:
410: <!-- Row 2 Column 3 -->
411: <td height=27 background="$iconpath/filltop.gif"><img src="$iconpath/filltop.gif" alt="" /></td>
412:
413: <!-- Row 2 Column 4 -->
414: <td width=27 height=27 align="right" background="$iconpath/filltop.gif"><img src="$iconpath/upperright.gif" border=0 alt="" /></td>
415: </tr>
416: <tr>
417:
418: <!-- A cell that will hold the 'access', 'about', and 'catalog' links -->
419: <!-- Row 3 Column 1 -->
420: <td valign="top" height="60" align="left" bgcolor="$sidebg">
421: <table cellpadding="0" cellspacing="2" border="0">
422: <tr>
423: <td> </td>
424: <td><a href="/adm/login?interface=textual"><b>$lt{'access'}</b></a></td>
425: </tr>
426: <tr>
427: <td> </td>
428: <td><a href="/adm/about.html"><b>$lt{'about'}</b></a></td>
429: </tr>$coursecatalog
430: <tr>
431: <td colspan="2"> </td>
432: </tr>
433: </table>
434: </td>
435: <!-- The shaded space between the two main columns -->
436: <!-- Row 3 Column 2 -->
437: <td width=27 height=60 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
438:
439: <!-- The right main column holding the large LON-CAPA logo-->
440: <!-- Rows 3-4 Column 3 -->
441: <td align="center" valign="top" width="100%" height="100%" bgcolor="$mainbg">
442: <center>
443: <img src="$logo" alt="" />
444: </center>
445: </td>
446:
447: <!-- Row 3 Column 4 -->
448: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
449: </tr>
450: <tr>
451:
452: <!-- The entry form -->
453: <!-- Row 4 Column 1 -->
454: <td align="center" valign="middle" bgcolor="$sidebg">
455: ENDTOP
456: } else {
457: $r->print('<h1>The Learning<i>Online</i> Network with CAPA</h1><h2>Text-based Interface Login</h2>'.$announcements);
458: }
459: $r->print('<form name="client" onsubmit="return(send())">');
460: unless ($fullgraph) {
461: $r->print(<<ENDACCESSOPTIONS);
462: <h3>Select Accessibility Options</h3>
463: <label><input type="checkbox" name="imagesuppress" /> Suppress rendering of images</label><br />
464: <label><input type="checkbox" name="appletsuppress" /> Suppress Java applets</label><br />
465: <label><input type="checkbox" name="embedsuppress" /> Suppress rendering of embedded multimedia</label><br />
466: <label><input type="checkbox" name="fontenhance" /> Increase font size</label><br />
467: <label><input type="checkbox" name="blackwhite" /> Switch to black and white mode</label><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: my $logintitle;
481: if ($loginheader eq 'text') {
482: $logintitle = '<td bgcolor="'.$bgcol.'" colspan="2"> <b><font size="+1" color="'.$textcol.'">'.$lt{'log'}.'</font></b></td>';
483: } else {
484: $logintitle = '<td bgcolor="'.$sidebg.'" colspan="2"><img src="'.$login.'" alt="'.
485: &mt('User Authentication').'" /></td>';
486: }
487: $r->print(<<ENDLOGIN);
488: <input type="hidden" name="lextkey" value="$lextkey">
489: <input type="hidden" name="uextkey" value="$uextkey">
490:
491: <!-- Start the sub-table for text and input alignment -->
492: <table border=0 cellspacing=0 cellpadding=0>
493: <tr>$logintitle</tr>
494: <tr>
495: <td bgcolor="$mainbg"><br /><font size=-1><b> <label for="uname">$lt{'un'}</label>:</b></font></td>
496: <td bgcolor="$mainbg"><br /><input type="text" name="uname" size="10" value="$authusername" /></td>
497: </tr>
498: <tr>
499: <td bgcolor="$mainbg"><font size=-1><b> <label for="upass$now">$lt{'pw'}</label>:</b></font></td>
500: <td bgcolor="$mainbg"><input type="password" name="upass$now" size="10" /></td>
501: </tr>
502: <tr>
503: <td bgcolor="$mainbg"><font size=-1><b> <label for="udom">$lt{'dom'}</label>:</b></font></td>
504: <td bgcolor="$mainbg"><input type="text" name="udom" size="10" value="$authdomain" /></td>
505: </tr>
506: <tr>
507: <td bgcolor="$mainbg"> </td>
508: <td bgcolor="$mainbg" valign="bottom" align="center">
509: <br />
510: <input type="submit" value="$lt{'log'}" />
511: </td>
512: </tr>
513: <tr>
514: <td bgcolor="$mainbg" valign="bottom" align="left" colspan="2">
515: $loginhelp
516: $forgotpw
517: </td>
518: </tr>
519: </table>
520: <!-- End sub-table -->
521: </form>
522: ENDLOGIN
523: if ($fullgraph) {
524: my $helpdeskscript;
525: my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail,
526: $version,$authdomain,\$helpdeskscript);
527: $r->print(<<ENDDOCUMENT);
528: </td>
529:
530: <!-- Row 4 Column 2 -->
531: <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
532:
533: <!-- Row 4 Column 3 -->
534: <td bgcolor="$mainbg">$announcements</td>
535:
536: <!-- Row 4 Column 4 -->
537: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
538: </tr>
539: <tr>
540:
541: <!-- Row 5 Column 1 -->
542: <td bgcolor="$sidebg" valign="middle" align="left">
543: <br />
544: <table border=0 cellspacing=0 cellpadding=0>
545: <tr>
546: <td bgcolor="$sidebg" align="left" valign="top">
547: <small><b> $lt{'dom'}: </b></small>
548: </td>
549: <td bgcolor="$sidebg" align="left" valign="top">
550: <small><tt> $domain</tt></small>
551: </td>
552: </tr>
553: <tr>
554: <td bgcolor="$sidebg" align="left" valign="top">
555: <small><b> $lt{'serv'}: </b></small>
556: </td>
557: <td bgcolor="$sidebg" align="left" valign="top">
558: <small><tt> $lonhost ($role)</tt></small>
559: </td>
560: </tr>
561: <tr>
562: <td bgcolor="$sidebg" align="left" valign="top">
563: <small><b> $lt{'load'}: </b></small>
564: </td>
565: <td bgcolor="$sidebg" align="left" valign="top">
566: <small><tt> $loadpercent $lt{'perc'}</tt></small>
567: </td>
568: </tr>
569: <tr>
570: <td bgcolor="$sidebg" align="left" valign="top">
571: <small><b> $lt{'userload'}: </b></small>
572: </td>
573: <td bgcolor="$sidebg" align="left" valign="top">
574: <small><tt> $userloadpercent $lt{'perc'}</tt></small>
575: </td>
576: </tr>
577: </table>
578: <br />
579: $contactblock
580: </td>
581:
582: <!-- Row 5 Column 2 -->
583: <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
584:
585: <!-- Row 5 Column 3 -->
586: <td width="100%" valign="bottom" bgcolor="$mainbg">
587: $domainlogo
588: </td>
589:
590: <!-- Row 5 Column 4 -->
591: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
592: </tr>
593: <tr>
594:
595: <!-- Row 6 Column 1 -->
596: <td bgcolor="$sidebg"> </td>
597:
598: <!-- Row 6 Column 2 -->
599: <td align="left" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerleft.gif" alt="" /></td>
600:
601: <!-- Row 6 Column 3 -->
602: <td background="$iconpath/fillbottom.gif"><img src="$iconpath/fillbottom.gif" alt="" /></td>
603:
604: <!-- Row 6 Column 4 -->
605: <td align="right" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerright.gif" alt="" /></td>
606: </tr>
607: </table>
608:
609: <script type="text/javascript">
610: // the if prevents the script error if the browser can not handle this
611: if ( document.client.uname ) { document.client.uname.focus(); }
612: </script>
613: $helpdeskscript
614:
615: ENDDOCUMENT
616: }
617: my %endargs = ( 'noredirectlink' => 1, );
618: $r->print(&Apache::loncommon::end_page(\%endargs));
619: return OK;
620: }
621:
622: sub contactdisplay {
623: my ($lt,$servadm,$showadminmail,$version,$authdomain,$helpdeskscript) = @_;
624: my $contactblock;
625: my $showhelpdesk = 0;
626: my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
627: if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) {
628: $showhelpdesk = 1;
629: }
630: if ($servadm && $showadminmail) {
631: $contactblock .= '<b> '.$$lt{'servadm'}.':</b><br />'.
632: '<tt> '.$servadm.'</tt><br /> <br />';
633: }
634: if ($showhelpdesk) {
635: $contactblock .= '<b> <a href="javascript:helpdesk()"><font size="+1">'.$lt->{'helpdesk'}.'</font></a></b><br />';
636: my $thisurl = &escape('/adm/login');
637: $$helpdeskscript = <<"ENDSCRIPT";
638: <script type="text/javascript">
639: function helpdesk() {
640: var codedom = document.client.udom.value;
641: if (codedom == '') {
642: codedom = "$authdomain";
643: }
644: var querystr = "origurl=$thisurl&codedom="+codedom;
645: document.location.href = "/adm/helpdesk?"+querystr;
646: return;
647: }
648: </script>
649: ENDSCRIPT
650: }
651: $contactblock .= <<"ENDBLOCK";
652: $version
653: ENDBLOCK
654: return $contactblock;
655: }
656:
657: sub forgotpwdisplay {
658: my (%lt) = @_;
659: my $prompt_for_resetpw = 1;
660: if ($prompt_for_resetpw) {
661: return '<br /> <a href="/adm/resetpw">'.$lt{'forgotpw'}.'</a></b><br /><br />';
662: }
663: return;
664: }
665:
666: sub loginhelpdisplay {
667: my (%lt) = @_;
668: my $login_help = 1;
669: if ($login_help) {
670: return ' <a href="/adm/loginproblems.html">'.$lt{'help'}.'</a></b>';
671: }
672: return;
673: }
674:
675: sub coursecatalog_link {
676: my ($linkname) = @_;
677: return <<"END";
678: <tr>
679: <td> </td>
680: <td><a href="/adm/coursecatalog"><b>$linkname</b></a></td>
681: </tr>
682: END
683: }
684:
685: 1;
686: __END__
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