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Diff for /loncom/auth/lonlogin.pm between versions 1.9 and 1.64

version 1.9, 2000/11/09 19:42:44 version 1.64, 2005/04/28 01:19:20
Line 1 Line 1
 # The LearningOnline Network  # The LearningOnline Network
 # Login Screen  # Login Screen
 # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,  
 # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer  
 #  #
   # $Id$
   #
   # Copyright Michigan State University Board of Trustees
   #
   # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   #
   # LON-CAPA is free software; you can redistribute it and/or modify
   # it under the terms of the GNU General Public License as published by
   # the Free Software Foundation; either version 2 of the License, or
   # (at your option) any later version.
   #
   # LON-CAPA is distributed in the hope that it will be useful,
   # but WITHOUT ANY WARRANTY; without even the implied warranty of
   # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   # GNU General Public License for more details.
   #
   # You should have received a copy of the GNU General Public License
   # along with LON-CAPA; if not, write to the Free Software
   # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # http://www.lon-capa.org/
   #
   
 package Apache::lonlogin;  package Apache::lonlogin;
   
 use strict;  use strict;
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
   use CGI::Cookie();
 use Apache::File ();  use Apache::File ();
 use Apache::lonnet();  use Apache::lonnet;
   use Apache::loncommon();
   use Apache::lonauth();
   use Apache::lonlocal;
   
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
     $r->content_type('text/html');      &Apache::loncommon::no_cache($r);
       &Apache::lonlocal::get_language_handle($r);
       &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;      $r->send_http_header;
     return OK if $r->header_only;      return OK if $r->header_only;
   
     my $iconpath= $r->dir_config('lonIconsURL');  
   # Are we re-routing?
       if (-e '/home/httpd/html/lon-status/reroute.txt') {
    &Apache::lonauth::reroute($r);
    return OK;
       }
   
   # -------------------------------- Prevent users from attempting to login twice
       my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
       my $lonid=$cookies{'lonID'};
       my $cookie;
       if ($lonid) {
    my $handle=$lonid->value;
           $handle=~s/\W//g;
           my $lonidsdir=$r->dir_config('lonIDsDir');
           if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) {
   # Indeed, a valid token is found
       my $bodytag=&Apache::loncommon::bodytag('Already logged in');
       $r->print(<<ENDFAILED);
   <html>
   <head>
   <title>Already logged in</title>
   </head>
   $bodytag
   <h1>You are already logged in</h1>
   <p>Please either <a href="/adm/roles">continue the current session</a> or
   <a href="/adm/logout">logout</a>.</p>
   <p>
   <a href="/adm/loginproblems.html">Problems?</a></p>
   </body>
   </html>
   ENDFAILED
              return OK;
    }
       }
   
   # ---------------------------------------------------- No valid token, continue
   
       &Apache::loncommon::get_unprocessed_cgi
        ($ENV{'QUERY_STRING'}.'&'.$env{'request.querystring'},
         ['interface','username','domain','firsturl','localpath','localres']);
    
   
   # ----------------------------------------------------------- Process Interface
       $env{'form.interface'}=~s/\W//g;
   
       my $textbrowsers=$r->dir_config('lonTextBrowsers');
       my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
       
       foreach (split(/\:/,$textbrowsers)) {
    if ($httpbrowser=~/$_/i) {
       $env{'form.interface'}='textual';
           }
       }
   
       my $fullgraph=($env{'form.interface'} ne 'textual');
       my $port_to_use=$r->dir_config('lonhttpdPort');
       if (!defined($port_to_use)) {
    $port_to_use='8080';
       }
       my $iconpath= 'http://'.$ENV{'HTTP_HOST'}.':'.$port_to_use.
                     $r->dir_config('lonIconsURL');
     my $domain  = $r->dir_config('lonDefDomain');      my $domain  = $r->dir_config('lonDefDomain');
       if (($env{'form.domain'}) && 
    ($Apache::lonnet::domaindescription{$env{'form.domain'}})) {
    $domain=$env{'form.domain'};
       }
     my $role    = $r->dir_config('lonRole');      my $role    = $r->dir_config('lonRole');
     my $loadlim = $r->dir_config('lonLoadLim');      my $loadlim = $r->dir_config('lonLoadLim');
     my $servadm = $r->dir_config('lonAdmEMail');      my $servadm = $r->dir_config('lonAdmEMail');
Line 25  sub handler { Line 119  sub handler {
     my $lonhost = $r->dir_config('lonHostID');      my $lonhost = $r->dir_config('lonHostID');
     my $tabdir  = $r->dir_config('lonTabDir');      my $tabdir  = $r->dir_config('lonTabDir');
     my $include = $r->dir_config('lonIncludes');      my $include = $r->dir_config('lonIncludes');
       my $expire  = $r->dir_config('lonExpire');
       my $version = $r->dir_config('lonVersion');
   
   # --------------------------------------------- Default values for login fields
   
       my $authusername=($env{'form.username'}?$env{'form.username'}:'');
       my $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain);
   
   # ---------------------------------------------------------- Determine own load
     my $loadavg;      my $loadavg;
    {      {
        my $loadfile=Apache::File->new('/proc/loadavg');   my $loadfile=Apache::File->new('/proc/loadavg');
        $loadavg=<$loadfile>;   $loadavg=<$loadfile>;
    }      }
     $loadavg =~ s/\s.*//g;      $loadavg =~ s/\s.*//g;
     my $loadpercent=100*$loadavg/$loadlim;      my $loadpercent=sprintf("%.1f",100*$loadavg/$loadlim);
       my $userloadpercent=&Apache::lonnet::userload();
   
     my $otherserver='';  # ------------------------------------------------------- Do the load balancing
     my $firsturl=$ENV{'request.firsturl'};      my $otherserver='http://'.$ENV{'SERVER_NAME'};
       my $firsturl=
       ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'});
 # ---------------------------------------- Are we access server and overloaded?  # ---------------------------------------- Are we access server and overloaded?
     if (($role eq 'access') && ($loadpercent>100.0)) {      if (($role eq 'access') &&
         $otherserver=Apache::lonnet::spareserver();   (($userloadpercent>100.0)||($loadpercent>100.0))) {
           my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent);
    if ($unloaded) { $otherserver=$unloaded; }
     }      }
   
   # ----------------------------------------------------------- Get announcements
       my $announcements=&Apache::lonnet::getannounce();
 # -------------------------------------------------------- Set login parameters  # -------------------------------------------------------- Set login parameters
   
     my @hexstr=('0','1','2','3','4','5','6','7',      my @hexstr=('0','1','2','3','4','5','6','7',
Line 56  sub handler { Line 165  sub handler {
     }      }
   
     my $lextkey=hex($lkey);      my $lextkey=hex($lkey);
       if ($lextkey>2147483647) { $lextkey-=4294967296; }
   
     my $uextkey=hex($ukey);      my $uextkey=hex($ukey);
       if ($uextkey>2147483647) { $uextkey-=4294967296; }
   
   # -------------------------------------------------------- Store away log token
     my $logtoken=Apache::lonnet::reply(      my $logtoken=Apache::lonnet::reply(
        'tmpput:'.$ukey.$lkey.'&'.$firsturl,         'tmpput:'.$ukey.$lkey.'&'.$firsturl,
        $lonhost);         $lonhost);
   
   # ------------------- If we cannot talk to ourselves, we are in serious trouble
   
       if ($logtoken eq 'con_lost') {
           my $spares='';
    my $last;
           foreach my $hostid (sort
       {
    $Apache::lonnet::hostname{$a} cmp
       $Apache::lonnet::hostname{$b};
       }
       keys(%Apache::lonnet::spareid)) {
               next if ($hostid eq $lonhost);
               next if ($last eq $Apache::lonnet::hostname{$hostid});
               $spares.='<br /><font size="+1"><a href="http://'.
                   $Apache::lonnet::hostname{$hostid}.
                   '/adm/login?domain='.$authdomain.'">'.
                   $Apache::lonnet::hostname{$hostid}.'</a>'.
                   ' (preferred)</font>'.$/;
       $last=$Apache::lonnet::hostname{$hostid};
           }
           $spares.= '<br />';
           foreach my $hostid (sort
       {
    $Apache::lonnet::hostname{$a} cmp
       $Apache::lonnet::hostname{$b};
       }
       keys(%Apache::lonnet::hostname)) {
               next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid});
               next if ($last eq $Apache::lonnet::hostname{$hostid});
               $spares.='<br /><a href="http://'.
                   $Apache::lonnet::hostname{$hostid}.
                   '/adm/login?domain='.$authdomain.'">'.
                   $Apache::lonnet::hostname{$hostid}.'</a>';
       $last=$Apache::lonnet::hostname{$hostid};
           }
    $r->print(<<ENDTROUBLE);
   <html>
   <head><title>The LearningOnline Network with CAPA</title></head>
   <body bgcolor="#FFFFFF">
   <img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />
   <h3>This LON-CAPA server is temporarily not available for login</h3>
   <p>Please attempt to login to one of the following servers:</p>$spares
   <p>If the problem persists, please contact <tt>$servadm</tt>.</p>
   </body>
   </html>
   ENDTROUBLE
           return OK;
       }
   
   # ----------------------------------------------- Apparently we are in business
   
       my $domainlogo=&Apache::loncommon::domainlogo($domain);
       $servadm=~s/\,/\<br \/\>/g;
       $sysadm=~s/\,/\<br \/\>/g;
   
 # --------------------------------------------------- Print login screen header  # --------------------------------------------------- Print login screen header
     $r->print(<<ENDHEADER);      $r->print(<<ENDHEADER);
 <html>  <html>
 <head>  <head>
   <meta HTTP-EQUIV="Refresh" CONTENT="$expire; url=/adm/roles" />
 <title>The LearningOnline Network with CAPA Login</title>  <title>The LearningOnline Network with CAPA Login</title>
 </head>  </head>
 ENDHEADER  ENDHEADER
Line 73  ENDHEADER Line 243  ENDHEADER
  my $jsh=Apache::File->new($include."/londes.js");   my $jsh=Apache::File->new($include."/londes.js");
         $r->print(<$jsh>);          $r->print(<$jsh>);
     }      }
 # ---------------------------------------------------------- Serve rest of page  
     $r->print(<<ENDDOCUMENT);  
   
 <body bgcolor="#FFFFFF" text="#000000" link="#999999" vlink="#999999"  # ----------------------------------------------------------- Front page design
  onLoad="init();">      my $pgbg=
         ($fullgraph?&Apache::loncommon::designparm('login.pgbg',$domain):'#FFFFFF');
       my $font=
         ($fullgraph?&Apache::loncommon::designparm('login.font',$domain):'#000000');
       my $link=
         ($fullgraph?&Apache::loncommon::designparm('login.link',$domain):'#0000FF');
       my $vlink=
         ($fullgraph?&Apache::loncommon::designparm('login.vlink',$domain):'#0000FF');
       my $alink=&Apache::loncommon::designparm('login.alink',$domain);
       my $mainbg=
         ($fullgraph?&Apache::loncommon::designparm('login.mainbg',$domain):'#FFFFFF');
       my $sidebg=
         ($fullgraph?&Apache::loncommon::designparm('login.sidebg',$domain):'#FFFFFF');
       my $logo=&Apache::loncommon::designparm('login.logo',$domain);
       my $img=&Apache::loncommon::designparm('login.img',$domain);
   
   # ----------------------------------------------------------------------- Texts
   
   my %lt=&Apache::lonlocal::texthash(
     'un'  => 'Username',
     'pw'  => 'Password',
     'dom' => 'Domain',
     'perc' => 'percent',
     'load' => 'Load',
                     'userload' => 'User Load',
                     'about'  => 'aboutlon.gif',
                     'access' => 'accessbutton.gif',
     'auth' => 'userauthentication.gif',
     'log' => 'Log in',
     'help' => 'Help',
     'serv' => 'Server',
                     'servadm' => 'Server Administration',
                     'sysadm' => 'System Administration',
                     'helpdesk' => 'Contact Helpdesk');
   
   # ---------------------------------------------------------- Serve rest of page
       $r->print(<<ENDSCRIPT);
   
 <script language="JavaScript">  <body bgcolor="$pgbg" text="$font" link="$link" vlink="$vlink" alink="$alink"
     topmargin=0 leftmargin=0 marginwidth=0 marginheight=0>
   
     function send() {   <script language="JavaScript">
       function send()
       {
  this.document.server.elements.uname.value   this.document.server.elements.uname.value
        =this.document.client.elements.uname.value;         =this.document.client.elements.uname.value;
   
         this.document.server.elements.udom.value          this.document.server.elements.udom.value
        =this.document.client.elements.udom.value;         =this.document.client.elements.udom.value;
   
           this.document.server.elements.imagesuppress.value
          =this.document.client.elements.imagesuppress.checked;
   
           this.document.server.elements.embedsuppress.value
          =this.document.client.elements.embedsuppress.checked;
   
           this.document.server.elements.appletsuppress.value
          =this.document.client.elements.appletsuppress.checked;
   
           this.document.server.elements.fontenhance.value
          =this.document.client.elements.fontenhance.checked;
   
           this.document.server.elements.blackwhite.value
          =this.document.client.elements.blackwhite.checked;
   
           this.document.server.elements.remember.value
          =this.document.client.elements.remember.checked;
   
         uextkey=this.document.client.elements.uextkey.value;          uextkey=this.document.client.elements.uextkey.value;
         lextkey=this.document.client.elements.lextkey.value;          lextkey=this.document.client.elements.lextkey.value;
         initkeys();          initkeys();
Line 96  ENDHEADER Line 321  ENDHEADER
     =crypted(this.document.client.elements.upass.value);      =crypted(this.document.client.elements.upass.value);
   
         this.document.server.submit();          this.document.server.submit();
    return false;
     }      }
    </script>
   ENDSCRIPT
   
 </script>      if ($fullgraph) {
    $r->print(
     '<table width="100%" cellpadding=0 cellspacing=0 border=0>');
       }
   
       $r->print(<<ENDSERVERFORM);
     <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">
      <input type="hidden" name="logtoken" value="$logtoken" />
      <input type="hidden" name="serverid" value="$lonhost" />
      <input type="hidden" name="interface" value="$env{'form.interface'}" />
      <input type="hidden" name="uname" value="" />
      <input type="hidden" name="upass" value="" />
      <input type="hidden" name="udom" value="" />
      <input type="hidden" name="imagesuppress"  value="" />
      <input type="hidden" name="appletsuppress"  value="" />
      <input type="hidden" name="embedsuppress"  value="" />
      <input type="hidden" name="fontenhance"  value="" />
      <input type="hidden" name="blackwhite"  value="" />
      <input type="hidden" name="remember"  value="" />
      <input type="hidden" name="localpath" value="$env{'form.localpath'}" />
      <input type="hidden" name="localres" value="$env{'form.localres'}" />
     </form>
   ENDSERVERFORM
       if ($fullgraph) { $r->print(<<ENDTOP);
     <!-- The LON-CAPA Header -->
     <tr>
   
      <!-- Row 1 Columns 2-4 -->
      <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>
     </tr>
   
     <!-- The gray bar that starts the two table frames -->
     <tr>
   
      <!-- Row 2 Column 1 -->
      <td width=182 height=27 bgcolor="$sidebg">&nbsp;</td>
   
      <!-- Row 2 Column 2 -->
      <td width=27 height=27 align="left" background="$iconpath/filltop.gif"><img src="$iconpath/upperleft.gif" border=0 alt="" /></td>
   
      <!-- Row 2 Column 3 -->
      <td height=27 background="$iconpath/filltop.gif"><img src="$iconpath/filltop.gif" alt="" /></td>
   
      <!-- Row 2 Column 4 -->
      <td width=27 height=27 align="right" background="$iconpath/filltop.gif"><img src="$iconpath/upperright.gif" border=0 alt="" /></td>
     </tr>
     <tr>
      
      <!-- A cell that will hold the 'access' and 'about' buttons -->
      <!-- Row 3 Column 1 -->
      <td valign="top" height=60 align="center" bgcolor="$sidebg">
       <a href="/adm/login?interface=textual"><img src="$iconpath/$lt{'access'}" border=0 alt="Accessibility Options" /></a>
       <br />
       <a href="/adm/about.html"><img src="$iconpath/$lt{'about'}" border=0 alt="About LON-CAPA" /></a>
      </td>
   
      <!-- The shaded space between the two main columns -->
      <!-- Row 3 Column 2 -->
      <td width=27 height=60 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
   
      <!-- The right main column holding the large LON-CAPA logo-->
      <!-- Rows 3-4 Column 3 -->
      <td align="center" valign="top" width="100%" height="100%" bgcolor="$mainbg">
       <center>
        <img src="$logo" alt="" />
       </center>
      </td>
   
      <!-- Row 3 Column 4 -->
      <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
     </tr>
     <tr>
   
      <!-- The entry form -->
      <!-- Row 4 Column 1 -->
      <td align="center" valign="middle" bgcolor="$sidebg">
   ENDTOP
   } else {
       $r->print('<h1>The Learning<i>Online</i> Network with CAPA</h1><h2>Text-based Interface Login</h2>'.$announcements);
   }
       $r->print('<form name="client" onsubmit="return(send())">');
       unless ($fullgraph) {
           $r->print(<<ENDACCESSOPTIONS);
   <h3>Select Accessibility Options</h3>
   <input type="checkbox" name="imagesuppress" /> Suppress rendering of images<br />
   <input type="checkbox" name="appletsuppress" /> Suppress Java applets<br />
   <input type="checkbox" name="embedsuppress" /> Suppress rendering of embedded multimedia<br />
   <input type="checkbox" name="fontenhance" /> Increase font size<br />
   <input type="checkbox" name="blackwhite" /> Switch to black and white mode<br />
   <p>If you have accessibility needs that are not addressed by this interface, 
   please
   contact the system administrator at <tt>$sysadm</tt>.</p><br />
   <input type="checkbox" name="remember" /> Remember these settings for next login<hr />
   ENDACCESSOPTIONS
   } else {
       $r->print(<<ENDNOOPT);
   <input type="hidden" name="imagesuppress"  value="" />
   <input type="hidden" name="embedsuppress"  value="" />
   <input type="hidden" name="appletsuppress"  value="" />
   <input type="hidden" name="fontenhance"  value="" />
   <input type="hidden" name="blackwhite"  value="" />
   <input type="hidden" name="remember"  value="" />
   ENDNOOPT
   }
       $r->print(<<ENDLOGIN);
        <input type="hidden" name="lextkey" value="$lextkey">
        <input type="hidden" name="uextkey" value="$uextkey">
   
        <!-- Start the sub-table for text and input alignment -->
        <table border=0 cellspacing=0 cellpadding=0>
         <tr><td bgcolor="$sidebg" colspan=2><img src="$iconpath/$lt{'auth'}" alt="User Authentication" /></td></tr>
         <tr>
          <td bgcolor="$mainbg"><br /><font size=-1><b>&nbsp;&nbsp;&nbsp;$lt{'un'}:</b></font></td>
          <td bgcolor="$mainbg"><br /><input type="text" name="uname" size="10" value="$authusername" /></td>
         </tr>
         <tr>
          <td bgcolor="$mainbg"><font size=-1><b>&nbsp;&nbsp;&nbsp;$lt{'pw'}:</b></font></td>
          <td bgcolor="$mainbg"><input type="password" name="upass" size="10" /></td>
         </tr>
         <tr>
          <td bgcolor="$mainbg"><font size=-1><b>&nbsp;&nbsp;&nbsp;$lt{'dom'}:</b></font></td>
          <td bgcolor="$mainbg"><input type="text" name="udom" size="10" value="$authdomain" /></td>
         </tr>
         <tr>
          <td bgcolor="$mainbg">&nbsp;&nbsp;&nbsp;<a href="/adm/loginproblems.html">$lt{'help'}</a></td>
          <td bgcolor="$mainbg" valign="bottom" align="center">
           <br />
           <input type="submit" value="$lt{'log'}" />
          </td>
         </tr>
        </table>
        <!-- End sub-table -->
       </form>
   ENDLOGIN
       if ($fullgraph) {
           my $helpdeskscript;
           my $contactblock = &contactdisplay(\%lt,$sysadm,$servadm,$version,$authdomain,\$helpdeskscript);
    $r->print(<<ENDDOCUMENT);
      </td>
   
      <!-- Row 4 Column 2 -->
      <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
   
      <!-- Row 4 Column 3 -->
   <td bgcolor="$mainbg">$announcements</td>
   
      <!-- Row 4 Column 4 -->
      <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
     </tr>
     <tr>
   
      <!-- Row 5 Column 1 -->
      <td bgcolor="$sidebg" valign="middle" align="left">
        <br />
        <table border=0 cellspacing=0 cellpadding=0>
         <tr>
          <td bgcolor="$sidebg" align="left" valign="top">
           <small><b>&nbsp;&nbsp;&nbsp;$lt{'dom'}:&nbsp;</b></small>
          </td>
          <td bgcolor="$sidebg" align="left" valign="top">
           <small><tt>&nbsp;$domain</tt></small>
          </td>
         </tr>
         <tr>
          <td bgcolor="$sidebg" align="left" valign="top">
           <small><b>&nbsp;&nbsp;&nbsp;$lt{'serv'}:&nbsp;</b></small>
          </td>
          <td bgcolor="$sidebg" align="left" valign="top">
           <small><tt>&nbsp;$lonhost ($role)</tt></small>
          </td>
         </tr>
         <tr>
          <td bgcolor="$sidebg" align="left" valign="top">
           <small><b>&nbsp;&nbsp;&nbsp;$lt{'load'}:&nbsp;</b></small>
          </td>
          <td bgcolor="$sidebg" align="left" valign="top">
           <small><tt>&nbsp;$loadpercent $lt{'perc'}</tt></small>
          </td>
         </tr>
         <tr>
          <td bgcolor="$sidebg" align="left" valign="top">
           <small><b>&nbsp;&nbsp;&nbsp;$lt{'userload'}:&nbsp;</b></small>
          </td>
          <td bgcolor="$sidebg" align="left" valign="top">
           <small><tt>&nbsp;$userloadpercent $lt{'perc'}</tt></small>
          </td>
         </tr>
        </table>
        <br />
       $contactblock
      </td>
   
      <!-- Row 5 Column 2 -->
      <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
   
      <!-- Row 5 Column 3 -->
      <td width="100%" valign="bottom" bgcolor="$mainbg">
   $domainlogo
   </td>
   
 <a href="/adm/accessibility.html">Accessibility Options</a>     <!-- Row 5 Column 4 -->
 &nbsp;&nbsp;     <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>
 <a href="/adm/about.html">About LON-CAPA</a><p>    </tr>
 <table width=600>    <tr>
 <tr><td>  
 <img src="$iconpath/lonlogo.gif"></td>     <!-- Row 6 Column 1 -->
 <td colspan=2 bgcolor="#DDDDDD">     <td bgcolor="$sidebg">&nbsp;</td>
 <font size=+1><b>User Authentication</b></font><p>  
      <!-- Row 6 Column 2 -->
  <form name="server" action="$otherserver/adm/authenticate"      <td align="left" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerleft.gif" alt="" /></td>
   method="post" target="_top">  
   <input type=hidden name=logtoken value="$logtoken">     <!-- Row 6 Column 3 -->
   <input type=hidden name=serverid value="$lonhost">     <td background="$iconpath/fillbottom.gif"><img src="$iconpath/fillbottom.gif" alt="" /></td>
   <input type=hidden name=uname value="">  
   <input type=hidden name=upass value="">     <!-- Row 6 Column 4 -->
   <input type=hidden name=udom value="">     <td align="right" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerright.gif" alt="" /></td>
  </form>    </tr>
   
  <form name="client">  
  <table border=2 bgcolor="#BBBBBB">  
  <tr><td>Username:</td><td><input type=text size=10 name=uname></td></tr>  
  <tr><td>Password:</td><td><input type=password size=10 name=upass></td></tr>  
  <tr><td>Domain:</td><td><input type=text size=10 value=$domain name=udom></td>  
  </tr>  
  <tr><td colspan=2><input type=button value=Login onClick="send();"></td></tr>  
  </table>   </table>
  <input type=hidden name=lextkey value="$lextkey">  
  <input type=hidden name=uextkey value="$uextkey">  
  </form>  
   
 </td>  <script type="text/javascript">
 </tr><tr><td bgcolor="#DDDDDD">  // the if prevents the script error if the browser can not handle this
 <table border=1 bgcolor="#BBBBBB">  if ( document.client.uname ) { document.client.uname.focus(); }
 <tr><td><font size="-1"><b>Domain:</b></font></td>  </script>
     <td><font size="-1"><tt>$domain</tt></font></td>  $helpdeskscript
     <td rowspan=3><font size="-1"><b>System Administration:</b><br>  
                   <tt>$sysadm</tt><br>  
                   <b>Server Administration:</b><br>  
                   <tt>$servadm</tt></font></td></tr>  
 <tr><td><font size="-1"><b>Server:</b></font></td>  
     <td><font size="-1"><tt>$lonhost ($role)</tt></font></td></tr>  
 <tr><td><font size="-1"><b>Load:</b></font></td>  
     <td><font size="-1"><tt>$loadpercent</tt> percent</font></td></tr>  
 </table>  
 </td><td>  
 <font size="+1">  
 <b>L</b>aboratory&nbsp;for<br>  
 <b>I</b>nstructional<br>  
 <b>T</b>echnology&nbsp;in<br>  
 <b>E</b>ducation</td><td>  
 <img src="$iconpath/liteani.gif"></font></td></tr></table>  
 </body>  
 </html>  
 ENDDOCUMENT  ENDDOCUMENT
   }
       $r->print('</body></html>');
     return OK;      return OK;
 }   }
   
   sub contactdisplay {
       my ($lt,$sysadm,$servadm,$version,$authdomain,$helpdeskscript) = @_;
       my $contactblock;
       my $showsysadm = 1;
       my $showservadm = 1;
       my $showhelpdesk = 0;
       my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
       if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) {
           $showhelpdesk = 1;
       }
       if ($showsysadm) {
           $contactblock .= '<b>&nbsp;&nbsp;&nbsp;'.$$lt{'sysadm'}.':</b><br />'.
                            '<tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.$sysadm.'</tt><br />';
       }
       if ($showservadm) {
           $contactblock .= '<b>&nbsp;&nbsp;&nbsp;'.$$lt{'servadm'}.':</b><br />'.
                            '<tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.$servadm.'</tt><br />&nbsp;<br />';
       }
       if ($showhelpdesk) {
           $contactblock .= '<b>&nbsp;&nbsp;&nbsp;<a href="javascript:helpdesk()">'.$$lt{'helpdesk'}.'</a></b><br />';
           my $thisurl = &Apache::lonnet::escape('/adm/login');
           $$helpdeskscript = <<"ENDSCRIPT";
   <script type="text/javascript">
   function helpdesk() {
       var codedom = document.client.udom.value;
       if (codedom == '') {
           codedom = "$authdomain";
       }
       var querystr = "origurl=$thisurl&codedom="+codedom;
       document.location.href = "/adm/helpdesk?"+querystr;
       return;
   }
   </script>
   ENDSCRIPT
       }
       $contactblock .= <<"ENDBLOCK";
        &nbsp;&nbsp;&nbsp;$version
   ENDBLOCK
       return $contactblock;
   }
    
   
 1;  1;
 __END__  __END__
Removed from v.1.9  
changed lines
  Added in v.1.64

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