Annotation of loncom/auth/lonlogin.pm, revision 1.106.2.2
1.1 albertel 1: # The LearningOnline Network
2: # Login Screen
1.11 www 3: #
1.106.2.2! raeburn 4: # $Id: lonlogin.pm,v 1.106.2.1 2008/12/10 17:45:29 raeburn Exp $
1.11 www 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: #
1.14 albertel 28:
1.1 albertel 29: package Apache::lonlogin;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::File ();
1.63 albertel 34: use Apache::lonnet;
1.12 albertel 35: use Apache::loncommon();
1.49 www 36: use Apache::lonauth();
1.50 www 37: use Apache::lonlocal;
1.71 albertel 38: use Apache::migrateuser();
1.75 www 39: use lib '/home/httpd/lib/perl/';
40: use LONCAPA;
41:
1.1 albertel 42: sub handler {
43: my $r = shift;
1.71 albertel 44:
45: &Apache::loncommon::get_unprocessed_cgi
1.79 albertel 46: (join('&',$ENV{'QUERY_STRING'},$env{'request.querystring'},
47: $ENV{'REDIRECT_QUERY_STRING'}),
1.71 albertel 48: ['interface','username','domain','firsturl','localpath','localres',
49: 'token']);
1.102 raeburn 50: if (!defined($env{'form.firsturl'})) {
51: &Apache::lonacc::get_posted_cgi($r,['firsturl']);
52: }
1.71 albertel 53:
54: # -- check if they are a migrating user
55: if (defined($env{'form.token'})) {
56: return &Apache::migrateuser::handler($r);
57: }
58:
1.53 www 59: &Apache::loncommon::no_cache($r);
60: &Apache::lonlocal::get_language_handle($r);
1.54 www 61: &Apache::loncommon::content_type($r,'text/html');
1.1 albertel 62: $r->send_http_header;
63: return OK if $r->header_only;
64:
1.49 www 65:
66: # Are we re-routing?
67: if (-e '/home/httpd/html/lon-status/reroute.txt') {
68: &Apache::lonauth::reroute($r);
69: return OK;
70: }
1.55 www 71:
1.71 albertel 72:
1.55 www 73: # -------------------------------- Prevent users from attempting to login twice
1.95 albertel 74: my $handle = &Apache::lonnet::check_for_valid_session($r);
75: if ($handle=~/^publicuser\_/) {
1.70 www 76: # For "public user" - remove it, we apparently really want to login
1.95 albertel 77: unlink($r->dir_config('lonIDsDir')."/$handle.id");
78: } elsif ($handle ne '') {
1.55 www 79: # Indeed, a valid token is found
1.95 albertel 80: my $start_page =
81: &Apache::loncommon::start_page('Already logged in');
82: my $end_page =
83: &Apache::loncommon::end_page();
1.100 bisitz 84: $r->print(
85: $start_page
1.103 bisitz 86: .'<h1>'.&mt('You are already logged in!').'</h1>'
1.100 bisitz 87: .'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]logout[_4].',
88: '<a href="/adm/roles">','</a>','<a href="/adm/logout">','</a>').'</p>'
89: .'<p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'
90: .$end_page
91: );
1.95 albertel 92: return OK;
1.55 www 93: }
94:
95: # ---------------------------------------------------- No valid token, continue
1.16 www 96:
1.70 www 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: }
1.32 www 102: # ----------------------------------------------------------- Process Interface
1.63 albertel 103: $env{'form.interface'}=~s/\W//g;
1.16 www 104:
1.32 www 105: my $textbrowsers=$r->dir_config('lonTextBrowsers');
106: my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
107:
108: foreach (split(/\:/,$textbrowsers)) {
109: if ($httpbrowser=~/$_/i) {
1.63 albertel 110: $env{'form.interface'}='textual';
1.32 www 111: }
112: }
113:
1.63 albertel 114: my $fullgraph=($env{'form.interface'} ne 'textual');
1.94 albertel 115:
116: my $iconpath=
117: &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
118:
1.87 raeburn 119: my $domain = &Apache::lonnet::default_login_domain();
1.63 albertel 120: if (($env{'form.domain'}) &&
1.89 albertel 121: (&Apache::lonnet::domain($env{'form.domain'},'description'))) {
1.63 albertel 122: $domain=$env{'form.domain'};
1.46 www 123: }
1.1 albertel 124: my $role = $r->dir_config('lonRole');
125: my $loadlim = $r->dir_config('lonLoadLim');
1.90 raeburn 126: my $servadm = $r->dir_config('lonAdmEMail');
1.1 albertel 127: my $lonhost = $r->dir_config('lonHostID');
128: my $tabdir = $r->dir_config('lonTabDir');
1.6 www 129: my $include = $r->dir_config('lonIncludes');
1.37 www 130: my $expire = $r->dir_config('lonExpire');
1.44 www 131: my $version = $r->dir_config('lonVersion');
1.88 albertel 132: my $host_name = &Apache::lonnet::hostname($lonhost);
1.1 albertel 133:
1.30 www 134: # --------------------------------------------- Default values for login fields
135:
1.63 albertel 136: my $authusername=($env{'form.username'}?$env{'form.username'}:'');
137: my $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain);
1.30 www 138:
139: # ---------------------------------------------------------- Determine own load
1.1 albertel 140: my $loadavg;
1.41 albertel 141: {
142: my $loadfile=Apache::File->new('/proc/loadavg');
143: $loadavg=<$loadfile>;
144: }
1.1 albertel 145: $loadavg =~ s/\s.*//g;
1.57 matthew 146: my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
1.41 albertel 147: my $userloadpercent=&Apache::lonnet::userload();
1.1 albertel 148:
1.30 www 149: # ------------------------------------------------------- Do the load balancing
1.80 albertel 150: my $otherserver= &Apache::lonnet::absolute_url($host_name);
1.31 www 151: my $firsturl=
1.63 albertel 152: ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'});
1.97 albertel 153: # ---------------------------------------------------------- Are we overloaded?
154: if ((($userloadpercent>100.0)||($loadpercent>100.0))) {
1.47 albertel 155: my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent);
156: if ($unloaded) { $otherserver=$unloaded; }
1.1 albertel 157: }
1.6 www 158:
1.45 www 159: # ----------------------------------------------------------- Get announcements
160: my $announcements=&Apache::lonnet::getannounce();
1.6 www 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);
1.15 www 176: if ($lextkey>2147483647) { $lextkey-=4294967296; }
177:
1.6 www 178: my $uextkey=hex($ukey);
1.15 www 179: if ($uextkey>2147483647) { $uextkey-=4294967296; }
180:
1.31 www 181: # -------------------------------------------------------- Store away log token
1.6 www 182: my $logtoken=Apache::lonnet::reply(
1.7 www 183: 'tmpput:'.$ukey.$lkey.'&'.$firsturl,
1.6 www 184: $lonhost);
1.31 www 185:
186: # ------------------- If we cannot talk to ourselves, we are in serious trouble
187:
188: if ($logtoken eq 'con_lost') {
189: my $spares='';
1.64 albertel 190: my $last;
191: foreach my $hostid (sort
192: {
1.88 albertel 193: &Apache::lonnet::hostname($a) cmp
194: &Apache::lonnet::hostname($b);
1.64 albertel 195: }
196: keys(%Apache::lonnet::spareid)) {
1.58 matthew 197: next if ($hostid eq $lonhost);
1.88 albertel 198: my $hostname = &Apache::lonnet::hostname($hostid);
199: next if ($last eq $hostname);
1.58 matthew 200: $spares.='<br /><font size="+1"><a href="http://'.
1.88 albertel 201: $hostname.
1.58 matthew 202: '/adm/login?domain='.$authdomain.'">'.
1.88 albertel 203: $hostname.'</a>'.
1.106 bisitz 204: ' '.&mt('(preferred)').'</font>'.$/;
1.88 albertel 205: $last=$hostname;
1.58 matthew 206: }
207: $spares.= '<br />';
1.88 albertel 208: my %all_hostnames = &Apache::lonnet::all_hostnames();
1.64 albertel 209: foreach my $hostid (sort
210: {
1.88 albertel 211: &Apache::lonnet::hostname($a) cmp
212: &Apache::lonnet::hostname($b);
1.64 albertel 213: }
1.88 albertel 214: keys(%all_hostnames)) {
1.58 matthew 215: next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid});
1.88 albertel 216: my $hostname = &Apache::lonnet::hostname($hostid);
217: next if ($last eq $hostname);
1.58 matthew 218: $spares.='<br /><a href="http://'.
1.88 albertel 219: $hostname.
1.58 matthew 220: '/adm/login?domain='.$authdomain.'">'.
1.88 albertel 221: $hostname.'</a>';
222: $last=$hostname;
1.31 www 223: }
1.103 bisitz 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: );
1.31 www 238: return OK;
239: }
240:
241: # ----------------------------------------------- Apparently we are in business
1.90 raeburn 242: $servadm=~s/\,/\<br \/\>/g;
1.38 www 243:
1.21 www 244: # ----------------------------------------------------------- Front page design
1.35 www 245: my $pgbg=
1.46 www 246: ($fullgraph?&Apache::loncommon::designparm('login.pgbg',$domain):'#FFFFFF');
1.35 www 247: my $font=
1.46 www 248: ($fullgraph?&Apache::loncommon::designparm('login.font',$domain):'#000000');
1.35 www 249: my $link=
1.46 www 250: ($fullgraph?&Apache::loncommon::designparm('login.link',$domain):'#0000FF');
1.35 www 251: my $vlink=
1.46 www 252: ($fullgraph?&Apache::loncommon::designparm('login.vlink',$domain):'#0000FF');
253: my $alink=&Apache::loncommon::designparm('login.alink',$domain);
1.35 www 254: my $mainbg=
1.46 www 255: ($fullgraph?&Apache::loncommon::designparm('login.mainbg',$domain):'#FFFFFF');
1.35 www 256: my $sidebg=
1.46 www 257: ($fullgraph?&Apache::loncommon::designparm('login.sidebg',$domain):'#FFFFFF');
1.98 raeburn 258: my $textcol =
259: ($fullgraph?&Apache::loncommon::designparm('login.textcol',$domain):'#000000');
260: my $bgcol =
261: ($fullgraph?&Apache::loncommon::designparm('login.bgcol',$domain):'#FFFFFF');
1.46 www 262: my $logo=&Apache::loncommon::designparm('login.logo',$domain);
263: my $img=&Apache::loncommon::designparm('login.img',$domain);
1.90 raeburn 264: my $domainlogo=&Apache::loncommon::domainlogo($domain);
1.98 raeburn 265: my $login=&Apache::loncommon::designparm('login.login',$domain);
266: if ($login eq '') {
267: $login = $iconpath.'/'.&mt('userauthentication.gif');
268: }
1.106.2.1 raeburn 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: }
1.98 raeburn 277: my $showadminmail=&Apache::loncommon::designparm('login.adminmail',$domain);
1.90 raeburn 278: my $showcoursecat =
279: &Apache::loncommon::designparm('login.coursecatalog',$domain);
1.98 raeburn 280: my $loginheader =&Apache::loncommon::designparm('login.loginheader',$domain);
1.101 raeburn 281: my $shownewuserlink =
282: &Apache::loncommon::designparm('login.newuser',$domain);
1.66 www 283: my $now=time;
1.98 raeburn 284: my $js = (<<ENDSCRIPT);
1.6 www 285:
1.14 albertel 286: <script language="JavaScript">
287: function send()
288: {
1.98 raeburn 289: this.document.server.elements.uname.value
1.6 www 290: =this.document.client.elements.uname.value;
291:
292: this.document.server.elements.udom.value
293: =this.document.client.elements.udom.value;
294:
1.33 www 295: this.document.server.elements.imagesuppress.value
1.36 www 296: =this.document.client.elements.imagesuppress.checked;
1.33 www 297:
298: this.document.server.elements.embedsuppress.value
1.36 www 299: =this.document.client.elements.embedsuppress.checked;
1.33 www 300:
1.34 www 301: this.document.server.elements.appletsuppress.value
1.36 www 302: =this.document.client.elements.appletsuppress.checked;
1.34 www 303:
1.33 www 304: this.document.server.elements.fontenhance.value
1.36 www 305: =this.document.client.elements.fontenhance.checked;
1.33 www 306:
307: this.document.server.elements.blackwhite.value
1.36 www 308: =this.document.client.elements.blackwhite.checked;
1.33 www 309:
1.35 www 310: this.document.server.elements.remember.value
1.36 www 311: =this.document.client.elements.remember.checked;
1.35 www 312:
1.6 www 313: uextkey=this.document.client.elements.uextkey.value;
314: lextkey=this.document.client.elements.lextkey.value;
315: initkeys();
316:
1.65 www 317: this.document.server.elements.upass0.value
1.98 raeburn 318: =crypted(this.document.client.elements.upass$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));
1.66 www 323:
324: this.document.client.elements.uname.value='';
325: this.document.client.elements.upass$now.value='';
1.6 www 326:
327: this.document.server.submit();
1.98 raeburn 328: return false;
1.6 www 329: }
1.14 albertel 330: </script>
1.98 raeburn 331:
1.16 www 332: ENDSCRIPT
1.6 www 333:
1.98 raeburn 334: # --------------------------------------------------- Print login screen header
335:
336: my %add_entries = (topmargin => "0",
337: leftmargin => "0",
338: marginheight => "0",
339: marginwidth => "0",
340: bgcolor => "$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: 'perc' => 'percent',
1.105 bisitz 358: 'load' => 'Server Load',
1.98 raeburn 359: 'userload' => 'User Load',
360: 'about' => 'About LON-CAPA',
361: 'access' => 'Accessibility Options',
362: 'catalog' => 'Course Catalog',
363: 'log' => 'Log in',
364: 'help' => 'Log-in Help',
365: 'serv' => 'Server',
366: 'servadm' => 'Server Administration',
367: 'helpdesk' => 'Contact Helpdesk',
1.99 bisitz 368: 'forgotpw' => 'Forgot password?',
1.101 raeburn 369: 'newuser' => 'New User?',
1.99 bisitz 370: 'options_headline' => 'Select Accessibility Options',
371: 'sprs_img' => 'Suppress rendering of images',
372: 'sprs_applet' => 'Suppress Java applets',
373: 'sprs_embed' => 'Suppress rendering of embedded multimedia',
374: 'sprs_font' => 'Increase font size',
375: 'sprs_blackwhite' => 'Switch to black and white mode',
376: 'remember' => 'Remember these settings for next login');
1.98 raeburn 377: # -------------------------------------------------- Change password field name
378: my $forgotpw = &forgotpwdisplay(%lt);
379: my $loginhelp = &loginhelpdisplay(%lt);
380:
381: # ---------------------------------------------------- Serve out DES JavaScript
382: {
383: my $jsh=Apache::File->new($include."/londes.js");
384: $r->print(<$jsh>);
385: }
386: # ---------------------------------------------------------- Serve rest of page
387:
1.16 www 388: if ($fullgraph) {
389: $r->print(
390: '<table width="100%" cellpadding=0 cellspacing=0 border=0>');
391: }
1.6 www 392:
1.16 www 393: $r->print(<<ENDSERVERFORM);
1.14 albertel 394: <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">
1.33 www 395: <input type="hidden" name="logtoken" value="$logtoken" />
396: <input type="hidden" name="serverid" value="$lonhost" />
1.63 albertel 397: <input type="hidden" name="interface" value="$env{'form.interface'}" />
1.33 www 398: <input type="hidden" name="uname" value="" />
1.65 www 399: <input type="hidden" name="upass0" value="" />
400: <input type="hidden" name="upass1" value="" />
401: <input type="hidden" name="upass2" value="" />
1.33 www 402: <input type="hidden" name="udom" value="" />
403: <input type="hidden" name="imagesuppress" value="" />
1.34 www 404: <input type="hidden" name="appletsuppress" value="" />
1.33 www 405: <input type="hidden" name="embedsuppress" value="" />
406: <input type="hidden" name="fontenhance" value="" />
407: <input type="hidden" name="blackwhite" value="" />
1.35 www 408: <input type="hidden" name="remember" value="" />
1.63 albertel 409: <input type="hidden" name="localpath" value="$env{'form.localpath'}" />
410: <input type="hidden" name="localres" value="$env{'form.localres'}" />
1.14 albertel 411: </form>
1.16 www 412: ENDSERVERFORM
1.90 raeburn 413: my $coursecatalog;
1.92 raeburn 414: if (($showcoursecat eq '') || ($showcoursecat)) {
1.90 raeburn 415: $coursecatalog = &coursecatalog_link($lt{'catalog'});
416: }
1.101 raeburn 417: my $newuserlink;
418: if ($shownewuserlink) {
419: $newuserlink = &newuser_link($lt{'newuser'});
420: }
1.106.2.1 raeburn 421: if ($fullgraph) {
422: $r->print(<<HEADER);
1.14 albertel 423: <!-- The LON-CAPA Header -->
424: <tr>
425:
426: <!-- Row 1 Columns 2-4 -->
1.106.2.1 raeburn 427: <td width="100%" height=75 colspan=4 align="left" valign="top" bgcolor="$pgbg">
428: HEADER
429: if ($showbanner) {
430: $r->print(<<ENDBANNER);
431: <img src="$img" border=0 alt="The Learning Online Network with CAPA" />
432: ENDBANNER
433: }
434: $r->print(<<ENDSTART);
435: </td>
1.14 albertel 436: </tr>
437:
438: <!-- The gray bar that starts the two table frames -->
439: <tr>
440:
441: <!-- Row 2 Column 1 -->
1.21 www 442: <td width=182 height=27 bgcolor="$sidebg"> </td>
1.14 albertel 443:
444: <!-- Row 2 Column 2 -->
1.19 bowersj2 445: <td width=27 height=27 align="left" background="$iconpath/filltop.gif"><img src="$iconpath/upperleft.gif" border=0 alt="" /></td>
1.14 albertel 446:
447: <!-- Row 2 Column 3 -->
1.19 bowersj2 448: <td height=27 background="$iconpath/filltop.gif"><img src="$iconpath/filltop.gif" alt="" /></td>
1.14 albertel 449:
450: <!-- Row 2 Column 4 -->
1.19 bowersj2 451: <td width=27 height=27 align="right" background="$iconpath/filltop.gif"><img src="$iconpath/upperright.gif" border=0 alt="" /></td>
1.14 albertel 452: </tr>
453: <tr>
454:
1.84 raeburn 455: <!-- A cell that will hold the 'access', 'about', and 'catalog' links -->
1.14 albertel 456: <!-- Row 3 Column 1 -->
1.86 raeburn 457: <td valign="top" height="60" align="left" bgcolor="$sidebg">
1.84 raeburn 458: <table cellpadding="0" cellspacing="2" border="0">
459: <tr>
460: <td> </td>
461: <td><a href="/adm/login?interface=textual"><b>$lt{'access'}</b></a></td>
1.86 raeburn 462: </tr>
463: <tr>
464: <td> </td>
465: <td><a href="/adm/about.html"><b>$lt{'about'}</b></a></td>
1.90 raeburn 466: </tr>$coursecatalog
1.86 raeburn 467: <tr>
1.84 raeburn 468: <td colspan="2"> </td>
1.86 raeburn 469: </tr>
470: </table>
471: </td>
1.14 albertel 472: <!-- The shaded space between the two main columns -->
473: <!-- Row 3 Column 2 -->
1.19 bowersj2 474: <td width=27 height=60 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
1.14 albertel 475:
476: <!-- The right main column holding the large LON-CAPA logo-->
477: <!-- Rows 3-4 Column 3 -->
1.45 www 478: <td align="center" valign="top" width="100%" height="100%" bgcolor="$mainbg">
1.106.2.1 raeburn 479: ENDSTART
480: if ($showmainlogo) {
481: $r->print(<<ENDLOGO);
1.14 albertel 482: <center>
1.21 www 483: <img src="$logo" alt="" />
1.14 albertel 484: </center>
1.106.2.1 raeburn 485: ENDLOGO
486: }
487: $r->print(<<ENDTOP);
1.14 albertel 488: </td>
489:
490: <!-- Row 3 Column 4 -->
1.19 bowersj2 491: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
1.14 albertel 492: </tr>
493: <tr>
494:
495: <!-- The entry form -->
496: <!-- Row 4 Column 1 -->
1.21 www 497: <td align="center" valign="middle" bgcolor="$sidebg">
1.16 www 498: ENDTOP
1.106.2.1 raeburn 499: } else {
500: $r->print('<h1>The Learning<i>Online</i> Network with CAPA</h1>'
501: .'<h2>'.&mt('Text-based Interface Login').'</h2>'
502: .$announcements);
503: }
1.33 www 504: $r->print('<form name="client" onsubmit="return(send())">');
505: unless ($fullgraph) {
506: $r->print(<<ENDACCESSOPTIONS);
1.99 bisitz 507: <h3>$lt{'options_headline'}</h3>
508: <label><input type="checkbox" name="imagesuppress" /> $lt{'sprs_img'}</label><br />
509: <label><input type="checkbox" name="appletsuppress" /> $lt{'sprs_applet'}</label><br />
510: <label><input type="checkbox" name="embedsuppress" /> $lt{'sprs_embed'}</label><br />
511: <label><input type="checkbox" name="fontenhance" /> $lt{'sprs_font'}</label><br />
512: <label><input type="checkbox" name="blackwhite" /> $lt{'sprs_blackwhite'}</label><br />
513: <br />
514: <input type="checkbox" name="remember" /> $lt{'remember'}<hr />
1.33 www 515: ENDACCESSOPTIONS
1.106.2.1 raeburn 516: } else {
517: $r->print(<<ENDNOOPT);
1.33 www 518: <input type="hidden" name="imagesuppress" value="" />
519: <input type="hidden" name="embedsuppress" value="" />
1.34 www 520: <input type="hidden" name="appletsuppress" value="" />
1.33 www 521: <input type="hidden" name="fontenhance" value="" />
522: <input type="hidden" name="blackwhite" value="" />
1.35 www 523: <input type="hidden" name="remember" value="" />
1.33 www 524: ENDNOOPT
1.106.2.1 raeburn 525: }
1.98 raeburn 526: my $logintitle;
527: if ($loginheader eq 'text') {
528: $logintitle = '<td bgcolor="'.$bgcol.'" colspan="2"> <b><font size="+1" color="'.$textcol.'">'.$lt{'log'}.'</font></b></td>';
529: } else {
530: $logintitle = '<td bgcolor="'.$sidebg.'" colspan="2"><img src="'.$login.'" alt="'.
531: &mt('User Authentication').'" /></td>';
532: }
1.104 bisitz 533: my $noscript_warning='<td colspan="2" bgcolor="'.$mainbg.'">'
534: .'<noscript><div class="LC_warning"><font size="-1">'
535: .&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.')
536: .'</font></div></noscript></td>';
1.16 www 537: $r->print(<<ENDLOGIN);
1.14 albertel 538: <input type="hidden" name="lextkey" value="$lextkey">
539: <input type="hidden" name="uextkey" value="$uextkey">
540:
541: <!-- Start the sub-table for text and input alignment -->
542: <table border=0 cellspacing=0 cellpadding=0>
1.98 raeburn 543: <tr>$logintitle</tr>
1.104 bisitz 544: <tr>$noscript_warning</tr>
1.14 albertel 545: <tr>
1.93 www 546: <td bgcolor="$mainbg"><br /><font size=-1><b> <label for="uname">$lt{'un'}</label>:</b></font></td>
1.30 www 547: <td bgcolor="$mainbg"><br /><input type="text" name="uname" size="10" value="$authusername" /></td>
1.14 albertel 548: </tr>
549: <tr>
1.93 www 550: <td bgcolor="$mainbg"><font size=-1><b> <label for="upass$now">$lt{'pw'}</label>:</b></font></td>
1.66 www 551: <td bgcolor="$mainbg"><input type="password" name="upass$now" size="10" /></td>
1.14 albertel 552: </tr>
553: <tr>
1.93 www 554: <td bgcolor="$mainbg"><font size=-1><b> <label for="udom">$lt{'dom'}</label>:</b></font></td>
1.30 www 555: <td bgcolor="$mainbg"><input type="text" name="udom" size="10" value="$authdomain" /></td>
1.14 albertel 556: </tr>
557: <tr>
1.84 raeburn 558: <td bgcolor="$mainbg"> </td>
1.28 www 559: <td bgcolor="$mainbg" valign="bottom" align="center">
1.14 albertel 560: <br />
1.51 www 561: <input type="submit" value="$lt{'log'}" />
1.14 albertel 562: </td>
563: </tr>
1.83 raeburn 564: <tr>
565: <td bgcolor="$mainbg" valign="bottom" align="left" colspan="2">
1.84 raeburn 566: $loginhelp
1.83 raeburn 567: $forgotpw
1.101 raeburn 568: $newuserlink
569: <br />
1.83 raeburn 570: </td>
571: </tr>
1.14 albertel 572: </table>
573: <!-- End sub-table -->
574: </form>
1.16 www 575: ENDLOGIN
576: if ($fullgraph) {
1.62 raeburn 577: my $helpdeskscript;
1.90 raeburn 578: my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail,
579: $version,$authdomain,\$helpdeskscript);
1.16 www 580: $r->print(<<ENDDOCUMENT);
1.14 albertel 581: </td>
582:
583: <!-- Row 4 Column 2 -->
1.19 bowersj2 584: <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
1.45 www 585:
586: <!-- Row 4 Column 3 -->
587: <td bgcolor="$mainbg">$announcements</td>
1.14 albertel 588:
589: <!-- Row 4 Column 4 -->
1.19 bowersj2 590: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
1.14 albertel 591: </tr>
592: <tr>
593:
594: <!-- Row 5 Column 1 -->
1.21 www 595: <td bgcolor="$sidebg" valign="middle" align="left">
1.14 albertel 596: <br />
597: <table border=0 cellspacing=0 cellpadding=0>
598: <tr>
1.21 www 599: <td bgcolor="$sidebg" align="left" valign="top">
1.51 www 600: <small><b> $lt{'dom'}: </b></small>
1.14 albertel 601: </td>
1.21 www 602: <td bgcolor="$sidebg" align="left" valign="top">
1.14 albertel 603: <small><tt> $domain</tt></small>
604: </td>
605: </tr>
606: <tr>
1.21 www 607: <td bgcolor="$sidebg" align="left" valign="top">
1.51 www 608: <small><b> $lt{'serv'}: </b></small>
1.14 albertel 609: </td>
1.21 www 610: <td bgcolor="$sidebg" align="left" valign="top">
1.14 albertel 611: <small><tt> $lonhost ($role)</tt></small>
612: </td>
613: </tr>
614: <tr>
1.106.2.2! raeburn 615: <td bgcolor="$sidebg" align="left" valign="top"><span class="LC_nobreak">
! 616: <small><b> $lt{'load'}: </b></small></span>
1.14 albertel 617: </td>
1.21 www 618: <td bgcolor="$sidebg" align="left" valign="top">
1.51 www 619: <small><tt> $loadpercent $lt{'perc'}</tt></small>
1.42 albertel 620: </td>
621: </tr>
622: <tr>
1.106.2.2! raeburn 623: <td bgcolor="$sidebg" align="left" valign="top"><span class="LC_nobreak">
! 624: <small><b> $lt{'userload'}: </b></small></span>
1.42 albertel 625: </td>
626: <td bgcolor="$sidebg" align="left" valign="top">
1.51 www 627: <small><tt> $userloadpercent $lt{'perc'}</tt></small>
1.14 albertel 628: </td>
629: </tr>
630: </table>
631: <br />
1.60 raeburn 632: $contactblock
1.14 albertel 633: </td>
634:
635: <!-- Row 5 Column 2 -->
1.19 bowersj2 636: <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
1.14 albertel 637:
638: <!-- Row 5 Column 3 -->
1.21 www 639: <td width="100%" valign="bottom" bgcolor="$mainbg">
1.20 www 640: $domainlogo
641: </td>
1.14 albertel 642:
643: <!-- Row 5 Column 4 -->
1.19 bowersj2 644: <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
1.14 albertel 645: </tr>
646: <tr>
647:
648: <!-- Row 6 Column 1 -->
1.21 www 649: <td bgcolor="$sidebg"> </td>
1.14 albertel 650:
651: <!-- Row 6 Column 2 -->
1.19 bowersj2 652: <td align="left" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerleft.gif" alt="" /></td>
1.14 albertel 653:
654: <!-- Row 6 Column 3 -->
1.19 bowersj2 655: <td background="$iconpath/fillbottom.gif"><img src="$iconpath/fillbottom.gif" alt="" /></td>
1.14 albertel 656:
657: <!-- Row 6 Column 4 -->
1.19 bowersj2 658: <td align="right" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerright.gif" alt="" /></td>
1.14 albertel 659: </tr>
1.1 albertel 660: </table>
1.25 bowersj2 661:
1.59 albertel 662: <script type="text/javascript">
663: // the if prevents the script error if the browser can not handle this
1.25 bowersj2 664: if ( document.client.uname ) { document.client.uname.focus(); }
665: </script>
1.62 raeburn 666: $helpdeskscript
1.14 albertel 667:
1.1 albertel 668: ENDDOCUMENT
1.16 www 669: }
1.98 raeburn 670: my %endargs = ( 'noredirectlink' => 1, );
671: $r->print(&Apache::loncommon::end_page(\%endargs));
1.1 albertel 672: return OK;
1.60 raeburn 673: }
674:
675: sub contactdisplay {
1.90 raeburn 676: my ($lt,$servadm,$showadminmail,$version,$authdomain,$helpdeskscript) = @_;
1.60 raeburn 677: my $contactblock;
1.62 raeburn 678: my $showhelpdesk = 0;
679: my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
680: if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) {
681: $showhelpdesk = 1;
682: }
1.90 raeburn 683: if ($servadm && $showadminmail) {
684: $contactblock .= '<b> '.$$lt{'servadm'}.':</b><br />'.
685: '<tt> '.$servadm.'</tt><br /> <br />';
686: }
1.60 raeburn 687: if ($showhelpdesk) {
1.84 raeburn 688: $contactblock .= '<b> <a href="javascript:helpdesk()"><font size="+1">'.$lt->{'helpdesk'}.'</font></a></b><br />';
1.75 www 689: my $thisurl = &escape('/adm/login');
1.62 raeburn 690: $$helpdeskscript = <<"ENDSCRIPT";
691: <script type="text/javascript">
692: function helpdesk() {
693: var codedom = document.client.udom.value;
694: if (codedom == '') {
695: codedom = "$authdomain";
696: }
697: var querystr = "origurl=$thisurl&codedom="+codedom;
698: document.location.href = "/adm/helpdesk?"+querystr;
699: return;
700: }
701: </script>
702: ENDSCRIPT
1.60 raeburn 703: }
704: $contactblock .= <<"ENDBLOCK";
705: $version
706: ENDBLOCK
707: return $contactblock;
708: }
1.83 raeburn 709:
710: sub forgotpwdisplay {
1.84 raeburn 711: my (%lt) = @_;
1.83 raeburn 712: my $prompt_for_resetpw = 1;
713: if ($prompt_for_resetpw) {
1.101 raeburn 714: return '<br /> <a href="/adm/resetpw">'.$lt{'forgotpw'}.'</a></b><br />';
1.84 raeburn 715: }
716: return;
717: }
718:
719: sub loginhelpdisplay {
720: my (%lt) = @_;
721: my $login_help = 1;
722: if ($login_help) {
723: return ' <a href="/adm/loginproblems.html">'.$lt{'help'}.'</a></b>';
1.83 raeburn 724: }
725: return;
726: }
1.1 albertel 727:
1.90 raeburn 728: sub coursecatalog_link {
729: my ($linkname) = @_;
730: return <<"END";
731: <tr>
732: <td> </td>
733: <td><a href="/adm/coursecatalog"><b>$linkname</b></a></td>
734: </tr>
735: END
736: }
737:
1.101 raeburn 738: sub newuser_link {
739: my ($linkname) = @_;
740: return ' <a href="/adm/createaccount"><b>'.$linkname.'</b></a><br />';
741: }
742:
1.1 albertel 743: 1;
744: __END__
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