Annotation of loncom/auth/lonlogin.pm, revision 1.74

1.1       albertel    1: # The LearningOnline Network
                      2: # Login Screen
1.11      www         3: #
1.74    ! albertel    4: # $Id: lonlogin.pm,v 1.73 2006/02/28 16:44:19 albertel 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);
1.55      www        33: use CGI::Cookie();
1.1       albertel   34: use Apache::File ();
1.63      albertel   35: use Apache::lonnet;
1.12      albertel   36: use Apache::loncommon();
1.49      www        37: use Apache::lonauth();
1.50      www        38: use Apache::lonlocal;
1.71      albertel   39: use Apache::migrateuser();
1.1       albertel   40: 
                     41: sub handler {
                     42:     my $r = shift;
1.71      albertel   43: 
                     44:     &Apache::loncommon::get_unprocessed_cgi
                     45: 	($ENV{'QUERY_STRING'}.'&'.$env{'request.querystring'},
                     46: 	 ['interface','username','domain','firsturl','localpath','localres',
                     47: 	  'token']);
                     48: 
                     49: # -- check if they are a migrating user
                     50:     if (defined($env{'form.token'})) {
                     51: 	return &Apache::migrateuser::handler($r);
                     52:     }
                     53: 
1.53      www        54:     &Apache::loncommon::no_cache($r);
                     55:     &Apache::lonlocal::get_language_handle($r);
1.54      www        56:     &Apache::loncommon::content_type($r,'text/html');
1.1       albertel   57:     $r->send_http_header;
                     58:     return OK if $r->header_only;
                     59: 
1.49      www        60: 
                     61: # Are we re-routing?
                     62:     if (-e '/home/httpd/html/lon-status/reroute.txt') {
                     63: 	&Apache::lonauth::reroute($r);
                     64: 	return OK;
                     65:     }
1.55      www        66: 
1.71      albertel   67: 
1.55      www        68: # -------------------------------- Prevent users from attempting to login twice
                     69:     my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
                     70:     my $lonid=$cookies{'lonID'};
                     71:     my $cookie;
                     72:     if ($lonid) {
                     73: 	my $handle=$lonid->value;
                     74:         $handle=~s/\W//g;
                     75:         my $lonidsdir=$r->dir_config('lonIDsDir');
1.70      www        76: 	if (-e "$lonidsdir/$handle.id") {
                     77: # Is there an existing token file?
                     78: 	    if ($handle=~/^publicuser\_/) {
                     79: # For "public user" - remove it, we apparently really want to login
                     80: 		unlink("$lonidsdir/$handle.id");
                     81: 	    } elsif ($handle ne '') {
1.55      www        82: # Indeed, a valid token is found
1.74    ! albertel   83: 		my $start_page = 
        !            84: 		    &Apache::loncommon::start_page('Already logged in');
        !            85: 		my $end_page = 
        !            86: 		    &Apache::loncommon::end_page();
1.70      www        87: 		$r->print(<<ENDFAILED);
1.74    ! albertel   88: $start_page
1.55      www        89: <h1>You are already logged in</h1>
                     90: <p>Please either <a href="/adm/roles">continue the current session</a> or
                     91: <a href="/adm/logout">logout</a>.</p>
                     92: <p>
                     93: <a href="/adm/loginproblems.html">Problems?</a></p>
1.74    ! albertel   94: $end_page
1.55      www        95: ENDFAILED
1.70      www        96:                 return OK;
                     97:  	    }  
1.55      www        98: 	}
                     99:     }
                    100: 
                    101: # ---------------------------------------------------- No valid token, continue
1.16      www       102: 
1.70      www       103:  # ---------------------------- Not possible to really login to domain "public"
                    104:     if ($env{'form.domain'} eq 'public') {
                    105: 	$env{'form.domain'}='';
                    106: 	$env{'form.username'}='';
                    107:     }
1.32      www       108: # ----------------------------------------------------------- Process Interface
1.63      albertel  109:     $env{'form.interface'}=~s/\W//g;
1.16      www       110: 
1.32      www       111:     my $textbrowsers=$r->dir_config('lonTextBrowsers');
                    112:     my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
                    113:     
                    114:     foreach (split(/\:/,$textbrowsers)) {
                    115: 	if ($httpbrowser=~/$_/i) {
1.63      albertel  116: 	    $env{'form.interface'}='textual';
1.32      www       117:         }
                    118:     }
                    119: 
1.63      albertel  120:     my $fullgraph=($env{'form.interface'} ne 'textual');
1.40      albertel  121:     my $port_to_use=$r->dir_config('lonhttpdPort');
                    122:     if (!defined($port_to_use)) {
                    123: 	$port_to_use='8080';
                    124:     }
                    125:     my $iconpath= 'http://'.$ENV{'HTTP_HOST'}.':'.$port_to_use.
1.26      www       126:                   $r->dir_config('lonIconsURL');
1.1       albertel  127:     my $domain  = $r->dir_config('lonDefDomain');
1.68      albertel  128:     my $testdomain=(split(/\./,$ENV{'HTTP_HOST'}))[0];
                    129:     foreach my $posdom (&Apache::lonnet::current_machine_domains()) {
1.73      albertel  130: 	if (lc($posdom) eq lc($testdomain)) { $domain=$posdom; }
1.68      albertel  131:     }
1.63      albertel  132:     if (($env{'form.domain'}) && 
                    133: 	 ($Apache::lonnet::domaindescription{$env{'form.domain'}})) {
                    134: 	$domain=$env{'form.domain'};
1.46      www       135:     }
1.1       albertel  136:     my $role    = $r->dir_config('lonRole');
                    137:     my $loadlim = $r->dir_config('lonLoadLim');
                    138:     my $servadm = $r->dir_config('lonAdmEMail');
                    139:     my $sysadm  = $r->dir_config('lonSysEMail');
                    140:     my $lonhost = $r->dir_config('lonHostID');
                    141:     my $tabdir  = $r->dir_config('lonTabDir');
1.6       www       142:     my $include = $r->dir_config('lonIncludes');
1.37      www       143:     my $expire  = $r->dir_config('lonExpire');
1.44      www       144:     my $version = $r->dir_config('lonVersion');
1.1       albertel  145: 
1.30      www       146: # --------------------------------------------- Default values for login fields
                    147: 
1.63      albertel  148:     my $authusername=($env{'form.username'}?$env{'form.username'}:'');
                    149:     my $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain);
1.30      www       150: 
                    151: # ---------------------------------------------------------- Determine own load
1.1       albertel  152:     my $loadavg;
1.41      albertel  153:     {
                    154: 	my $loadfile=Apache::File->new('/proc/loadavg');
                    155: 	$loadavg=<$loadfile>;
                    156:     }
1.1       albertel  157:     $loadavg =~ s/\s.*//g;
1.57      matthew   158:     my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
1.41      albertel  159:     my $userloadpercent=&Apache::lonnet::userload();
1.1       albertel  160: 
1.30      www       161: # ------------------------------------------------------- Do the load balancing
1.10      www       162:     my $otherserver='http://'.$ENV{'SERVER_NAME'};
1.31      www       163:     my $firsturl=
1.63      albertel  164:     ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'});
1.1       albertel  165: # ---------------------------------------- Are we access server and overloaded?
1.41      albertel  166:     if (($role eq 'access') &&
                    167: 	(($userloadpercent>100.0)||($loadpercent>100.0))) {
1.47      albertel  168:         my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent);
                    169: 	if ($unloaded) { $otherserver=$unloaded; }
1.1       albertel  170:     }
1.6       www       171: 
1.45      www       172: # ----------------------------------------------------------- Get announcements
                    173:     my $announcements=&Apache::lonnet::getannounce();
1.6       www       174: # -------------------------------------------------------- Set login parameters
                    175: 
                    176:     my @hexstr=('0','1','2','3','4','5','6','7',
                    177:                 '8','9','a','b','c','d','e','f');
                    178:     my $lkey='';
                    179:     for (0..7) {
                    180:         $lkey.=$hexstr[rand(15)];
                    181:     }
                    182: 
                    183:     my $ukey='';
                    184:     for (0..7) {
                    185:         $ukey.=$hexstr[rand(15)];
                    186:     }
                    187: 
                    188:     my $lextkey=hex($lkey);
1.15      www       189:     if ($lextkey>2147483647) { $lextkey-=4294967296; }
                    190: 
1.6       www       191:     my $uextkey=hex($ukey);
1.15      www       192:     if ($uextkey>2147483647) { $uextkey-=4294967296; }
                    193: 
1.31      www       194: # -------------------------------------------------------- Store away log token
1.6       www       195:     my $logtoken=Apache::lonnet::reply(
1.7       www       196:        'tmpput:'.$ukey.$lkey.'&'.$firsturl,
1.6       www       197:        $lonhost);
1.31      www       198: 
                    199: # ------------------- If we cannot talk to ourselves, we are in serious trouble
                    200: 
                    201:     if ($logtoken eq 'con_lost') {
                    202:         my $spares='';
1.64      albertel  203: 	my $last;
                    204:         foreach my $hostid (sort
                    205: 			    {
                    206: 				$Apache::lonnet::hostname{$a} cmp
                    207: 				    $Apache::lonnet::hostname{$b};
                    208: 			    }
                    209: 			    keys(%Apache::lonnet::spareid)) {
1.58      matthew   210:             next if ($hostid eq $lonhost);
1.64      albertel  211:             next if ($last eq $Apache::lonnet::hostname{$hostid});
1.58      matthew   212:             $spares.='<br /><font size="+1"><a href="http://'.
                    213:                 $Apache::lonnet::hostname{$hostid}.
                    214:                 '/adm/login?domain='.$authdomain.'">'.
                    215:                 $Apache::lonnet::hostname{$hostid}.'</a>'.
                    216:                 ' (preferred)</font>'.$/;
1.64      albertel  217: 	    $last=$Apache::lonnet::hostname{$hostid};
1.58      matthew   218:         }
                    219:         $spares.= '<br />';
1.64      albertel  220:         foreach my $hostid (sort
                    221: 			    {
                    222: 				$Apache::lonnet::hostname{$a} cmp
                    223: 				    $Apache::lonnet::hostname{$b};
                    224: 			    }
                    225: 			    keys(%Apache::lonnet::hostname)) {
1.58      matthew   226:             next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid});
1.64      albertel  227:             next if ($last eq $Apache::lonnet::hostname{$hostid});
1.58      matthew   228:             $spares.='<br /><a href="http://'.
                    229:                 $Apache::lonnet::hostname{$hostid}.
                    230:                 '/adm/login?domain='.$authdomain.'">'.
                    231:                 $Apache::lonnet::hostname{$hostid}.'</a>';
1.64      albertel  232: 	    $last=$Apache::lonnet::hostname{$hostid};
1.31      www       233:         }
                    234: 	$r->print(<<ENDTROUBLE);
                    235: <html>
                    236: <head><title>The LearningOnline Network with CAPA</title></head>
                    237: <body bgcolor="#FFFFFF">
                    238: <img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />
                    239: <h3>This LON-CAPA server is temporarily not available for login</h3>
                    240: <p>Please attempt to login to one of the following servers:</p>$spares
                    241: <p>If the problem persists, please contact <tt>$servadm</tt>.</p>
                    242: </body>
                    243: </html>
                    244: ENDTROUBLE
                    245:         return OK;
                    246:     }
                    247: 
                    248: # ----------------------------------------------- Apparently we are in business
                    249: 
1.48      albertel  250:     my $domainlogo=&Apache::loncommon::domainlogo($domain);
1.38      www       251:     $servadm=~s/\,/\<br \/\>/g;
                    252:     $sysadm=~s/\,/\<br \/\>/g;
                    253: 
1.6       www       254: # --------------------------------------------------- Print login screen header
                    255:     $r->print(<<ENDHEADER);
1.1       albertel  256: <html>
                    257: <head>
1.37      www       258: <meta HTTP-EQUIV="Refresh" CONTENT="$expire; url=/adm/roles" />
1.2       www       259: <title>The LearningOnline Network with CAPA Login</title>
1.1       albertel  260: </head>
1.6       www       261: ENDHEADER
                    262: # ---------------------------------------------------- Serve out DES JavaScript
                    263:     {
                    264: 	my $jsh=Apache::File->new($include."/londes.js");
                    265:         $r->print(<$jsh>);
                    266:     }
1.21      www       267: 
                    268: # ----------------------------------------------------------- Front page design
1.35      www       269:     my $pgbg=
1.46      www       270:       ($fullgraph?&Apache::loncommon::designparm('login.pgbg',$domain):'#FFFFFF');
1.35      www       271:     my $font=
1.46      www       272:       ($fullgraph?&Apache::loncommon::designparm('login.font',$domain):'#000000');
1.35      www       273:     my $link=
1.46      www       274:       ($fullgraph?&Apache::loncommon::designparm('login.link',$domain):'#0000FF');
1.35      www       275:     my $vlink=
1.46      www       276:       ($fullgraph?&Apache::loncommon::designparm('login.vlink',$domain):'#0000FF');
                    277:     my $alink=&Apache::loncommon::designparm('login.alink',$domain);
1.35      www       278:     my $mainbg=
1.46      www       279:       ($fullgraph?&Apache::loncommon::designparm('login.mainbg',$domain):'#FFFFFF');
1.35      www       280:     my $sidebg=
1.46      www       281:       ($fullgraph?&Apache::loncommon::designparm('login.sidebg',$domain):'#FFFFFF');
                    282:     my $logo=&Apache::loncommon::designparm('login.logo',$domain);
                    283:     my $img=&Apache::loncommon::designparm('login.img',$domain);
1.21      www       284: 
1.51      www       285: # ----------------------------------------------------------------------- Texts
                    286: 
                    287: my %lt=&Apache::lonlocal::texthash(
                    288: 		  'un'  => 'Username',
                    289: 		  'pw'  => 'Password',
                    290: 		  'dom' => 'Domain',
                    291: 		  'perc' => 'percent',
1.52      www       292: 		  'load' => 'Load',
                    293:                   'userload' => 'User Load',
                    294:                   'about'  => 'aboutlon.gif',
                    295:                   'access' => 'accessbutton.gif',
                    296: 		  'auth' => 'userauthentication.gif',
1.51      www       297: 		  'log' => 'Log in',
                    298: 		  'help' => 'Help',
                    299: 		  'serv' => 'Server',
                    300:                   'servadm' => 'Server Administration',
1.60      raeburn   301:                   'sysadm' => 'System Administration',
                    302:                   'helpdesk' => 'Contact Helpdesk');
1.66      www       303: # -------------------------------------------------- Change password field name
                    304:     my $now=time;
1.6       www       305: # ---------------------------------------------------------- Serve rest of page
1.16      www       306:     $r->print(<<ENDSCRIPT);
1.6       www       307: 
1.21      www       308: <body bgcolor="$pgbg" text="$font" link="$link" vlink="$vlink" alink="$alink"
1.27      albertel  309:   topmargin=0 leftmargin=0 marginwidth=0 marginheight=0>
1.6       www       310: 
1.14      albertel  311:  <script language="JavaScript">
                    312:     function send()
                    313:     {
1.6       www       314: 	this.document.server.elements.uname.value
                    315:        =this.document.client.elements.uname.value;
                    316: 
                    317:         this.document.server.elements.udom.value
                    318:        =this.document.client.elements.udom.value;
                    319: 
1.33      www       320:         this.document.server.elements.imagesuppress.value
1.36      www       321:        =this.document.client.elements.imagesuppress.checked;
1.33      www       322: 
                    323:         this.document.server.elements.embedsuppress.value
1.36      www       324:        =this.document.client.elements.embedsuppress.checked;
1.33      www       325: 
1.34      www       326:         this.document.server.elements.appletsuppress.value
1.36      www       327:        =this.document.client.elements.appletsuppress.checked;
1.34      www       328: 
1.33      www       329:         this.document.server.elements.fontenhance.value
1.36      www       330:        =this.document.client.elements.fontenhance.checked;
1.33      www       331: 
                    332:         this.document.server.elements.blackwhite.value
1.36      www       333:        =this.document.client.elements.blackwhite.checked;
1.33      www       334: 
1.35      www       335:         this.document.server.elements.remember.value
1.36      www       336:        =this.document.client.elements.remember.checked;
1.35      www       337: 
1.6       www       338:         uextkey=this.document.client.elements.uextkey.value;
                    339:         lextkey=this.document.client.elements.lextkey.value;
                    340:         initkeys();
                    341: 
1.65      www       342:         this.document.server.elements.upass0.value
1.66      www       343: 	    =crypted(this.document.client.elements.upass$now.value.substr(0,15));
1.65      www       344: 	this.document.server.elements.upass1.value
1.66      www       345: 	    =crypted(this.document.client.elements.upass$now.value.substr(15,15));
1.65      www       346: 	this.document.server.elements.upass2.value
1.66      www       347: 	    =crypted(this.document.client.elements.upass$now.value.substr(30,15));
                    348: 
                    349:         this.document.client.elements.uname.value='';
                    350:         this.document.client.elements.upass$now.value='';
1.6       www       351: 
                    352:         this.document.server.submit();
1.19      bowersj2  353: 	return false;
1.6       www       354:     }
1.14      albertel  355:  </script>
1.16      www       356: ENDSCRIPT
1.6       www       357: 
1.16      www       358:     if ($fullgraph) {
                    359: 	$r->print(
                    360: 		  '<table width="100%" cellpadding=0 cellspacing=0 border=0>');
                    361:     }
1.6       www       362: 
1.16      www       363:     $r->print(<<ENDSERVERFORM);
1.14      albertel  364:   <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">
1.33      www       365:    <input type="hidden" name="logtoken" value="$logtoken" />
                    366:    <input type="hidden" name="serverid" value="$lonhost" />
1.63      albertel  367:    <input type="hidden" name="interface" value="$env{'form.interface'}" />
1.33      www       368:    <input type="hidden" name="uname" value="" />
1.65      www       369:    <input type="hidden" name="upass0" value="" />
                    370:    <input type="hidden" name="upass1" value="" />
                    371:    <input type="hidden" name="upass2" value="" />
1.33      www       372:    <input type="hidden" name="udom" value="" />
                    373:    <input type="hidden" name="imagesuppress"  value="" />
1.34      www       374:    <input type="hidden" name="appletsuppress"  value="" />
1.33      www       375:    <input type="hidden" name="embedsuppress"  value="" />
                    376:    <input type="hidden" name="fontenhance"  value="" />
                    377:    <input type="hidden" name="blackwhite"  value="" />
1.35      www       378:    <input type="hidden" name="remember"  value="" />
1.63      albertel  379:    <input type="hidden" name="localpath" value="$env{'form.localpath'}" />
                    380:    <input type="hidden" name="localres" value="$env{'form.localres'}" />
1.14      albertel  381:   </form>
1.16      www       382: ENDSERVERFORM
                    383:     if ($fullgraph) { $r->print(<<ENDTOP);
1.14      albertel  384:   <!-- The LON-CAPA Header -->
                    385:   <tr>
                    386: 
                    387:    <!-- Row 1 Columns 2-4 -->
1.29      www       388:    <td width="100%" height=75 colspan=4 align="left" valign="top" bgcolor="$pgbg"><img src="$img" border=0 alt="The Learning Online Network with CAPA" /></td>
1.14      albertel  389:   </tr>
                    390: 
                    391:   <!-- The gray bar that starts the two table frames -->
                    392:   <tr>
                    393: 
                    394:    <!-- Row 2 Column 1 -->
1.21      www       395:    <td width=182 height=27 bgcolor="$sidebg">&nbsp;</td>
1.14      albertel  396: 
                    397:    <!-- Row 2 Column 2 -->
1.19      bowersj2  398:    <td width=27 height=27 align="left" background="$iconpath/filltop.gif"><img src="$iconpath/upperleft.gif" border=0 alt="" /></td>
1.14      albertel  399: 
                    400:    <!-- Row 2 Column 3 -->
1.19      bowersj2  401:    <td height=27 background="$iconpath/filltop.gif"><img src="$iconpath/filltop.gif" alt="" /></td>
1.14      albertel  402: 
                    403:    <!-- Row 2 Column 4 -->
1.19      bowersj2  404:    <td width=27 height=27 align="right" background="$iconpath/filltop.gif"><img src="$iconpath/upperright.gif" border=0 alt="" /></td>
1.14      albertel  405:   </tr>
                    406:   <tr>
                    407:    
                    408:    <!-- A cell that will hold the 'access' and 'about' buttons -->
                    409:    <!-- Row 3 Column 1 -->
1.21      www       410:    <td valign="top" height=60 align="center" bgcolor="$sidebg">
1.52      www       411:     <a href="/adm/login?interface=textual"><img src="$iconpath/$lt{'access'}" border=0 alt="Accessibility Options" /></a>
1.14      albertel  412:     <br />
1.52      www       413:     <a href="/adm/about.html"><img src="$iconpath/$lt{'about'}" border=0 alt="About LON-CAPA" /></a>
1.14      albertel  414:    </td>
                    415: 
                    416:    <!-- The shaded space between the two main columns -->
                    417:    <!-- Row 3 Column 2 -->
1.19      bowersj2  418:    <td width=27 height=60 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
1.14      albertel  419: 
                    420:    <!-- The right main column holding the large LON-CAPA logo-->
                    421:    <!-- Rows 3-4 Column 3 -->
1.45      www       422:    <td align="center" valign="top" width="100%" height="100%" bgcolor="$mainbg">
1.14      albertel  423:     <center>
1.21      www       424:      <img src="$logo" alt="" />
1.14      albertel  425:     </center>
                    426:    </td>
                    427: 
                    428:    <!-- Row 3 Column 4 -->
1.19      bowersj2  429:    <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
1.14      albertel  430:   </tr>
                    431:   <tr>
                    432: 
                    433:    <!-- The entry form -->
                    434:    <!-- Row 4 Column 1 -->
1.21      www       435:    <td align="center" valign="middle" bgcolor="$sidebg">
1.16      www       436: ENDTOP
1.32      www       437: } else {
1.45      www       438:     $r->print('<h1>The Learning<i>Online</i> Network with CAPA</h1><h2>Text-based Interface Login</h2>'.$announcements);
1.33      www       439: }
                    440:     $r->print('<form name="client" onsubmit="return(send())">');
                    441:     unless ($fullgraph) {
                    442:         $r->print(<<ENDACCESSOPTIONS);
1.35      www       443: <h3>Select Accessibility Options</h3>
1.67      albertel  444: <label><input type="checkbox" name="imagesuppress" /> Suppress rendering of images</label><br />
                    445: <label><input type="checkbox" name="appletsuppress" /> Suppress Java applets</label><br />
                    446: <label><input type="checkbox" name="embedsuppress" /> Suppress rendering of embedded multimedia</label><br />
                    447: <label><input type="checkbox" name="fontenhance" /> Increase font size</label><br />
                    448: <label><input type="checkbox" name="blackwhite" /> Switch to black and white mode</label><br />
1.35      www       449: <p>If you have accessibility needs that are not addressed by this interface, 
                    450: please
                    451: contact the system administrator at <tt>$sysadm</tt>.</p><br />
                    452: <input type="checkbox" name="remember" /> Remember these settings for next login<hr />
1.33      www       453: ENDACCESSOPTIONS
                    454: } else {
                    455:     $r->print(<<ENDNOOPT);
                    456: <input type="hidden" name="imagesuppress"  value="" />
                    457: <input type="hidden" name="embedsuppress"  value="" />
1.34      www       458: <input type="hidden" name="appletsuppress"  value="" />
1.33      www       459: <input type="hidden" name="fontenhance"  value="" />
                    460: <input type="hidden" name="blackwhite"  value="" />
1.35      www       461: <input type="hidden" name="remember"  value="" />
1.33      www       462: ENDNOOPT
1.16      www       463: }
                    464:     $r->print(<<ENDLOGIN);
1.14      albertel  465:      <input type="hidden" name="lextkey" value="$lextkey">
                    466:      <input type="hidden" name="uextkey" value="$uextkey">
                    467: 
                    468:      <!-- Start the sub-table for text and input alignment -->
                    469:      <table border=0 cellspacing=0 cellpadding=0>
1.52      www       470:       <tr><td bgcolor="$sidebg" colspan=2><img src="$iconpath/$lt{'auth'}" alt="User Authentication" /></td></tr>
1.14      albertel  471:       <tr>
1.51      www       472:        <td bgcolor="$mainbg"><br /><font size=-1><b>&nbsp;&nbsp;&nbsp;$lt{'un'}:</b></font></td>
1.30      www       473:        <td bgcolor="$mainbg"><br /><input type="text" name="uname" size="10" value="$authusername" /></td>
1.14      albertel  474:       </tr>
                    475:       <tr>
1.51      www       476:        <td bgcolor="$mainbg"><font size=-1><b>&nbsp;&nbsp;&nbsp;$lt{'pw'}:</b></font></td>
1.66      www       477:        <td bgcolor="$mainbg"><input type="password" name="upass$now" size="10" /></td>
1.14      albertel  478:       </tr>
                    479:       <tr>
1.51      www       480:        <td bgcolor="$mainbg"><font size=-1><b>&nbsp;&nbsp;&nbsp;$lt{'dom'}:</b></font></td>
1.30      www       481:        <td bgcolor="$mainbg"><input type="text" name="udom" size="10" value="$authdomain" /></td>
1.14      albertel  482:       </tr>
                    483:       <tr>
1.51      www       484:        <td bgcolor="$mainbg">&nbsp;&nbsp;&nbsp;<a href="/adm/loginproblems.html">$lt{'help'}</a></td>
1.28      www       485:        <td bgcolor="$mainbg" valign="bottom" align="center">
1.14      albertel  486:         <br />
1.51      www       487:         <input type="submit" value="$lt{'log'}" />
1.14      albertel  488:        </td>
                    489:       </tr>
                    490:      </table>
                    491:      <!-- End sub-table -->
                    492:     </form>
1.16      www       493: ENDLOGIN
                    494:     if ($fullgraph) {
1.62      raeburn   495:         my $helpdeskscript;
                    496:         my $contactblock = &contactdisplay(\%lt,$sysadm,$servadm,$version,$authdomain,\$helpdeskscript);
1.16      www       497: 	$r->print(<<ENDDOCUMENT);
1.14      albertel  498:    </td>
                    499: 
                    500:    <!-- Row 4 Column 2 -->
1.19      bowersj2  501:    <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
1.45      www       502: 
                    503:    <!-- Row 4 Column 3 -->
                    504: <td bgcolor="$mainbg">$announcements</td>
1.14      albertel  505: 
                    506:    <!-- Row 4 Column 4 -->
1.19      bowersj2  507:    <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
1.14      albertel  508:   </tr>
                    509:   <tr>
                    510: 
                    511:    <!-- Row 5 Column 1 -->
1.21      www       512:    <td bgcolor="$sidebg" valign="middle" align="left">
1.14      albertel  513:      <br />
                    514:      <table border=0 cellspacing=0 cellpadding=0>
                    515:       <tr>
1.21      www       516:        <td bgcolor="$sidebg" align="left" valign="top">
1.51      www       517:         <small><b>&nbsp;&nbsp;&nbsp;$lt{'dom'}:&nbsp;</b></small>
1.14      albertel  518:        </td>
1.21      www       519:        <td bgcolor="$sidebg" align="left" valign="top">
1.14      albertel  520:         <small><tt>&nbsp;$domain</tt></small>
                    521:        </td>
                    522:       </tr>
                    523:       <tr>
1.21      www       524:        <td bgcolor="$sidebg" align="left" valign="top">
1.51      www       525:         <small><b>&nbsp;&nbsp;&nbsp;$lt{'serv'}:&nbsp;</b></small>
1.14      albertel  526:        </td>
1.21      www       527:        <td bgcolor="$sidebg" align="left" valign="top">
1.14      albertel  528:         <small><tt>&nbsp;$lonhost ($role)</tt></small>
                    529:        </td>
                    530:       </tr>
                    531:       <tr>
1.21      www       532:        <td bgcolor="$sidebg" align="left" valign="top">
1.52      www       533:         <small><b>&nbsp;&nbsp;&nbsp;$lt{'load'}:&nbsp;</b></small>
1.14      albertel  534:        </td>
1.21      www       535:        <td bgcolor="$sidebg" align="left" valign="top">
1.51      www       536:         <small><tt>&nbsp;$loadpercent $lt{'perc'}</tt></small>
1.42      albertel  537:        </td>
                    538:       </tr>
                    539:       <tr>
                    540:        <td bgcolor="$sidebg" align="left" valign="top">
1.52      www       541:         <small><b>&nbsp;&nbsp;&nbsp;$lt{'userload'}:&nbsp;</b></small>
1.42      albertel  542:        </td>
                    543:        <td bgcolor="$sidebg" align="left" valign="top">
1.51      www       544:         <small><tt>&nbsp;$userloadpercent $lt{'perc'}</tt></small>
1.14      albertel  545:        </td>
                    546:       </tr>
                    547:      </table>
                    548:      <br />
1.60      raeburn   549:     $contactblock
1.14      albertel  550:    </td>
                    551: 
                    552:    <!-- Row 5 Column 2 -->
1.19      bowersj2  553:    <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
1.14      albertel  554: 
                    555:    <!-- Row 5 Column 3 -->
1.21      www       556:    <td width="100%" valign="bottom" bgcolor="$mainbg">
1.20      www       557: $domainlogo
                    558: </td>
1.14      albertel  559: 
                    560:    <!-- Row 5 Column 4 -->
1.19      bowersj2  561:    <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
1.14      albertel  562:   </tr>
                    563:   <tr>
                    564: 
                    565:    <!-- Row 6 Column 1 -->
1.21      www       566:    <td bgcolor="$sidebg">&nbsp;</td>
1.14      albertel  567: 
                    568:    <!-- Row 6 Column 2 -->
1.19      bowersj2  569:    <td align="left" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerleft.gif" alt="" /></td>
1.14      albertel  570: 
                    571:    <!-- Row 6 Column 3 -->
1.19      bowersj2  572:    <td background="$iconpath/fillbottom.gif"><img src="$iconpath/fillbottom.gif" alt="" /></td>
1.14      albertel  573: 
                    574:    <!-- Row 6 Column 4 -->
1.19      bowersj2  575:    <td align="right" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerright.gif" alt="" /></td>
1.14      albertel  576:   </tr>
1.1       albertel  577:  </table>
1.25      bowersj2  578: 
1.59      albertel  579: <script type="text/javascript">
                    580: // the if prevents the script error if the browser can not handle this
1.25      bowersj2  581: if ( document.client.uname ) { document.client.uname.focus(); }
                    582: </script>
1.62      raeburn   583: $helpdeskscript
1.14      albertel  584: 
1.1       albertel  585: ENDDOCUMENT
1.16      www       586: }
                    587:     $r->print('</body></html>');
1.1       albertel  588:     return OK;
1.60      raeburn   589: }
                    590: 
                    591: sub contactdisplay {
1.62      raeburn   592:     my ($lt,$sysadm,$servadm,$version,$authdomain,$helpdeskscript) = @_;
1.60      raeburn   593:     my $contactblock;
                    594:     my $showsysadm = 1;
                    595:     my $showservadm = 1;
1.62      raeburn   596:     my $showhelpdesk = 0;
                    597:     my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
                    598:     if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) {
                    599:         $showhelpdesk = 1;
                    600:     }
1.60      raeburn   601:     if ($showsysadm) {
                    602:         $contactblock .= '<b>&nbsp;&nbsp;&nbsp;'.$$lt{'sysadm'}.':</b><br />'.
                    603:                          '<tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.$sysadm.'</tt><br />';
                    604:     }
                    605:     if ($showservadm) {
                    606:         $contactblock .= '<b>&nbsp;&nbsp;&nbsp;'.$$lt{'servadm'}.':</b><br />'.
                    607:                          '<tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.$servadm.'</tt><br />&nbsp;<br />';
                    608:     }
                    609:     if ($showhelpdesk) {
1.62      raeburn   610:         $contactblock .= '<b>&nbsp;&nbsp;&nbsp;<a href="javascript:helpdesk()">'.$$lt{'helpdesk'}.'</a></b><br />';
                    611:         my $thisurl = &Apache::lonnet::escape('/adm/login');
                    612:         $$helpdeskscript = <<"ENDSCRIPT";
                    613: <script type="text/javascript">
                    614: function helpdesk() {
                    615:     var codedom = document.client.udom.value;
                    616:     if (codedom == '') {
                    617:         codedom = "$authdomain";
                    618:     }
                    619:     var querystr = "origurl=$thisurl&codedom="+codedom;
                    620:     document.location.href = "/adm/helpdesk?"+querystr;
                    621:     return;
                    622: }
                    623: </script>
                    624: ENDSCRIPT
1.60      raeburn   625:     }
                    626:     $contactblock .= <<"ENDBLOCK";
                    627:      &nbsp;&nbsp;&nbsp;$version
                    628: ENDBLOCK
                    629:     return $contactblock;
                    630: }
                    631:  
1.1       albertel  632: 
                    633: 1;
                    634: __END__

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