[BACK]Return to lonlogin.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / auth

Diff for /loncom/auth/lonlogin.pm between versions 1.55.2.3 and 1.92

version 1.55.2.3, 2005/06/14 20:10:50 version 1.92, 2007/04/07 19:15:03
Line 32  use strict; Line 32  use strict;
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
 use CGI::Cookie();  use CGI::Cookie();
 use Apache::File ();  use Apache::File ();
 use Apache::lonnet();  use Apache::lonnet;
 use Apache::loncommon();  use Apache::loncommon();
 use Apache::lonauth();  use Apache::lonauth();
 use Apache::lonlocal;  use Apache::lonlocal;
   use Apache::migrateuser();
   use lib '/home/httpd/lib/perl/';
   use LONCAPA;
    
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
   
       &Apache::loncommon::get_unprocessed_cgi
    (join('&',$ENV{'QUERY_STRING'},$env{'request.querystring'},
         $ENV{'REDIRECT_QUERY_STRING'}),
    ['interface','username','domain','firsturl','localpath','localres',
     'token']);
   
   # -- check if they are a migrating user
       if (defined($env{'form.token'})) {
    return &Apache::migrateuser::handler($r);
       }
   
     &Apache::loncommon::no_cache($r);      &Apache::loncommon::no_cache($r);
     &Apache::lonlocal::get_language_handle($r);      &Apache::lonlocal::get_language_handle($r);
     &Apache::loncommon::content_type($r,'text/html');      &Apache::loncommon::content_type($r,'text/html');
Line 52  sub handler { Line 67  sub handler {
  return OK;   return OK;
     }      }
   
   
 # -------------------------------- Prevent users from attempting to login twice  # -------------------------------- Prevent users from attempting to login twice
     my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));      my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
     my $lonid=$cookies{'lonID'};      my $lonid=$cookies{'lonID'};
     my $cookie;      my $cookie;
     if ($lonid) {      if ($lonid) {
  my $handle=$lonid->value;   my $handle=&LONCAPA::clean_handle($lonid->value);
         $handle=~s/\W//g;  
         my $lonidsdir=$r->dir_config('lonIDsDir');          my $lonidsdir=$r->dir_config('lonIDsDir');
         if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) {   if (-e "$lonidsdir/$handle.id") {
   # Is there an existing token file?
       if ($handle=~/^publicuser\_/) {
   # For "public user" - remove it, we apparently really want to login
    unlink("$lonidsdir/$handle.id");
       } elsif ($handle ne '') {
 # Indeed, a valid token is found  # Indeed, a valid token is found
     my $bodytag=&Apache::loncommon::bodytag('Already logged in');   my $start_page = 
     $r->print(<<ENDFAILED);      &Apache::loncommon::start_page('Already logged in');
 <html>   my $end_page = 
 <head>      &Apache::loncommon::end_page();
 <title>Already logged in</title>   $r->print(<<ENDFAILED);
 </head>  $start_page
 <html>  
 $bodytag  
 <h1>You are already logged in</h1>  <h1>You are already logged in</h1>
 <p>Please either <a href="/adm/roles">continue the current session</a> or  <p>Please either <a href="/adm/roles">continue the current session</a> or
 <a href="/adm/logout">logout</a>.</p>  <a href="/adm/logout">logout</a>.</p>
 <p>  <p>
 <a href="/adm/loginproblems.html">Problems?</a></p>  <a href="/adm/loginproblems.html">Problems?</a></p>
 </body>  $end_page
 </html>  
 ENDFAILED  ENDFAILED
            return OK;                  return OK;
        }  
  }   }
     }      }
   
 # ---------------------------------------------------- No valid token, continue  # ---------------------------------------------------- No valid token, continue
   
     &Apache::loncommon::get_unprocessed_cgi   # ---------------------------- Not possible to really login to domain "public"
      ($ENV{'QUERY_STRING'}.'&'.$ENV{'request.querystring'},      if ($env{'form.domain'} eq 'public') {
       ['interface','username','domain','firsturl','localpath','localres']);   $env{'form.domain'}='';
     $env{'form.username'}='';
       }
 # ----------------------------------------------------------- Process Interface  # ----------------------------------------------------------- Process Interface
     $ENV{'form.interface'}=~s/\W//g;      $env{'form.interface'}=~s/\W//g;
   
     my $textbrowsers=$r->dir_config('lonTextBrowsers');      my $textbrowsers=$r->dir_config('lonTextBrowsers');
     my $httpbrowser=$ENV{"HTTP_USER_AGENT"};      my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
           
     foreach (split(/\:/,$textbrowsers)) {      foreach (split(/\:/,$textbrowsers)) {
  if ($httpbrowser=~/$_/i) {   if ($httpbrowser=~/$_/i) {
     $ENV{'form.interface'}='textual';      $env{'form.interface'}='textual';
         }          }
     }      }
   
     my $fullgraph=($ENV{'form.interface'} ne 'textual');      my $fullgraph=($env{'form.interface'} ne 'textual');
     my $port_to_use=$r->dir_config('lonhttpdPort');      my $port_to_use=$r->dir_config('lonhttpdPort');
     if (!defined($port_to_use)) {      if (!defined($port_to_use)) {
  $port_to_use='8080';   $port_to_use='8080';
     }      }
     my $iconpath= 'http://'.$ENV{'HTTP_HOST'}.':'.$port_to_use.      my $iconpath= 'http://'.$ENV{'HTTP_HOST'}.':'.$port_to_use.
                   $r->dir_config('lonIconsURL');                    $r->dir_config('lonIconsURL');
     my $domain  = $r->dir_config('lonDefDomain');      my $domain = &Apache::lonnet::default_login_domain();
     my $testdomain=(split(/\./,$ENV{'HTTP_HOST'}))[0];      if (($env{'form.domain'}) && 
     foreach my $posdom (values(%Apache::lonnet::hostdom)) {   (&Apache::lonnet::domain($env{'form.domain'},'description'))) {
  if (lc($posdom) eq lc($testdomain)) { $domain=$posdom; }   $domain=$env{'form.domain'};
     }  
     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');
     my $sysadm  = $r->dir_config('lonSysEMail');  
     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 $expire  = $r->dir_config('lonExpire');
     my $version = $r->dir_config('lonVersion');      my $version = $r->dir_config('lonVersion');
       my $host_name = &Apache::lonnet::hostname($lonhost);
   
 # --------------------------------------------- Default values for login fields  # --------------------------------------------- Default values for login fields
   
     my $authusername=($ENV{'form.username'}?$ENV{'form.username'}:'');      my $authusername=($env{'form.username'}?$env{'form.username'}:'');
     my $authdomain=($ENV{'form.domain'}?$ENV{'form.domain'}:$domain);      my $authdomain=($env{'form.domain'}?$env{'form.domain'}:$domain);
   
 # ---------------------------------------------------------- Determine own load  # ---------------------------------------------------------- Determine own load
     my $loadavg;      my $loadavg;
Line 139  ENDFAILED Line 153  ENDFAILED
  $loadavg=<$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 $userloadpercent=&Apache::lonnet::userload();
   
 # ------------------------------------------------------- Do the load balancing  # ------------------------------------------------------- Do the load balancing
     my $otherserver='http://'.$ENV{'SERVER_NAME'};      my $otherserver= &Apache::lonnet::absolute_url($host_name);
     my $firsturl=      my $firsturl=
     ($ENV{'request.firsturl'}?$ENV{'request.firsturl'}:$ENV{'form.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') &&      if (($role eq 'access') &&
  (($userloadpercent>100.0)||($loadpercent>100.0))) {   (($userloadpercent>100.0)||($loadpercent>100.0))) {
Line 184  ENDFAILED Line 198  ENDFAILED
   
     if ($logtoken eq 'con_lost') {      if ($logtoken eq 'con_lost') {
         my $spares='';          my $spares='';
         foreach (keys %Apache::lonnet::hostname) {   my $last;
             if ($_ ne $lonhost) {          foreach my $hostid (sort
                $spares.='<br /><a href="http://'.$Apache::lonnet::hostname{$_}.      {
  '/adm/login?domain='.$authdomain.'">'.   &Apache::lonnet::hostname($a) cmp
                  $Apache::lonnet::hostname{$_}.'</a>';      &Apache::lonnet::hostname($b);
                if ($Apache::lonnet::spareid{$_}) {      }
    $spares.=' (preferred)';      keys(%Apache::lonnet::spareid)) {
                }              next if ($hostid eq $lonhost);
    }      my $hostname = &Apache::lonnet::hostname($hostid);
       next if ($last eq $hostname);
               $spares.='<br /><font size="+1"><a href="http://'.
                   $hostname.
                   '/adm/login?domain='.$authdomain.'">'.
                   $hostname.'</a>'.
                   ' (preferred)</font>'.$/;
       $last=$hostname;
           }
           $spares.= '<br />';
    my %all_hostnames = &Apache::lonnet::all_hostnames();
           foreach my $hostid (sort
       {
    &Apache::lonnet::hostname($a) cmp
       &Apache::lonnet::hostname($b);
       }
       keys(%all_hostnames)) {
               next if ($hostid eq $lonhost || $Apache::lonnet::spareid{$hostid});
       my $hostname = &Apache::lonnet::hostname($hostid);
               next if ($last eq $hostname);
               $spares.='<br /><a href="http://'.
                   $hostname.
                   '/adm/login?domain='.$authdomain.'">'.
                   $hostname.'</a>';
       $last=$hostname;
         }          }
  $r->print(<<ENDTROUBLE);   $r->print(<<ENDTROUBLE);
 <html>  <html>
Line 201  ENDFAILED Line 239  ENDFAILED
 <img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />  <img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />
 <h3>This LON-CAPA server is temporarily not available for login</h3>  <h3>This LON-CAPA server is temporarily not available for login</h3>
 <p>Please attempt to login to one of the following servers:</p>$spares  <p>Please attempt to login to one of the following servers:</p>$spares
 <p>If the problem persists, please contact <tt>$servadm</tt>.</p>  
 </body>  </body>
 </html>  </html>
 ENDTROUBLE  ENDTROUBLE
Line 209  ENDTROUBLE Line 246  ENDTROUBLE
     }      }
   
 # ----------------------------------------------- Apparently we are in business  # ----------------------------------------------- Apparently we are in business
   
     my $domainlogo=&Apache::loncommon::domainlogo($domain);  
     $servadm=~s/\,/\<br \/\>/g;      $servadm=~s/\,/\<br \/\>/g;
     $sysadm=~s/\,/\<br \/\>/g;  
   
 # --------------------------------------------------- Print login screen header  # --------------------------------------------------- Print login screen header
     $r->print(<<ENDHEADER);      $r->print(<<ENDHEADER);
Line 244  ENDHEADER Line 278  ENDHEADER
       ($fullgraph?&Apache::loncommon::designparm('login.sidebg',$domain):'#FFFFFF');        ($fullgraph?&Apache::loncommon::designparm('login.sidebg',$domain):'#FFFFFF');
     my $logo=&Apache::loncommon::designparm('login.logo',$domain);      my $logo=&Apache::loncommon::designparm('login.logo',$domain);
     my $img=&Apache::loncommon::designparm('login.img',$domain);      my $img=&Apache::loncommon::designparm('login.img',$domain);
       my $domainlogo=&Apache::loncommon::domainlogo($domain);
       my $showadminmail=&Apache::loncommon::designparm('login.adminmail',                                                      $domain);
       my $showcoursecat =
           &Apache::loncommon::designparm('login.coursecatalog',$domain);
   
   
 # ----------------------------------------------------------------------- Texts  # ----------------------------------------------------------------------- Texts
   
Line 254  my %lt=&Apache::lonlocal::texthash( Line 293  my %lt=&Apache::lonlocal::texthash(
   'perc' => 'percent',    'perc' => 'percent',
   'load' => 'Load',    'load' => 'Load',
                   'userload' => 'User Load',                    'userload' => 'User Load',
                   'about'  => 'aboutlon.gif',                    'about'  => 'About LON-CAPA',
                   'access' => 'accessbutton.gif',                    'access' => 'Accessibility Options',
                     'catalog' => 'Course Catalog',
   'auth' => 'userauthentication.gif',    'auth' => 'userauthentication.gif',
   'log' => 'Log in',    'log' => 'Log in',
   'help' => 'Help',    'help' => 'Log-in Help',
   'serv' => 'Server',    'serv' => 'Server',
                   'servadm' => 'Server Administration',                    'servadm' => 'Server Administration',
                   'sysadm' => 'System Administration');                    'helpdesk' => 'Contact Helpdesk',
                     'forgotpw' => 'Forgot password?');
   # -------------------------------------------------- Change password field name
       my $now=time;
       my $forgotpw = &forgotpwdisplay(%lt);
       my $loginhelp = &loginhelpdisplay(%lt);
 # ---------------------------------------------------------- Serve rest of page  # ---------------------------------------------------------- Serve rest of page
     $r->print(<<ENDSCRIPT);      $r->print(<<ENDSCRIPT);
   
Line 301  my %lt=&Apache::lonlocal::texthash( Line 344  my %lt=&Apache::lonlocal::texthash(
         lextkey=this.document.client.elements.lextkey.value;          lextkey=this.document.client.elements.lextkey.value;
         initkeys();          initkeys();
   
         this.document.server.elements.upass.value          this.document.server.elements.upass0.value
     =crypted(this.document.client.elements.upass.value);      =crypted(this.document.client.elements.upass$now.value.substr(0,15));
    this.document.server.elements.upass1.value
       =crypted(this.document.client.elements.upass$now.value.substr(15,15));
    this.document.server.elements.upass2.value
       =crypted(this.document.client.elements.upass$now.value.substr(30,15));
   
           this.document.client.elements.uname.value='';
           this.document.client.elements.upass$now.value='';
   
         this.document.server.submit();          this.document.server.submit();
  return false;   return false;
Line 319  ENDSCRIPT Line 369  ENDSCRIPT
   <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">    <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">
    <input type="hidden" name="logtoken" value="$logtoken" />     <input type="hidden" name="logtoken" value="$logtoken" />
    <input type="hidden" name="serverid" value="$lonhost" />     <input type="hidden" name="serverid" value="$lonhost" />
    <input type="hidden" name="interface" value="$ENV{'form.interface'}" />     <input type="hidden" name="interface" value="$env{'form.interface'}" />
    <input type="hidden" name="uname" value="" />     <input type="hidden" name="uname" value="" />
    <input type="hidden" name="upass" value="" />     <input type="hidden" name="upass0" value="" />
      <input type="hidden" name="upass1" value="" />
      <input type="hidden" name="upass2" value="" />
    <input type="hidden" name="udom" value="" />     <input type="hidden" name="udom" value="" />
    <input type="hidden" name="imagesuppress"  value="" />     <input type="hidden" name="imagesuppress"  value="" />
    <input type="hidden" name="appletsuppress"  value="" />     <input type="hidden" name="appletsuppress"  value="" />
Line 329  ENDSCRIPT Line 381  ENDSCRIPT
    <input type="hidden" name="fontenhance"  value="" />     <input type="hidden" name="fontenhance"  value="" />
    <input type="hidden" name="blackwhite"  value="" />     <input type="hidden" name="blackwhite"  value="" />
    <input type="hidden" name="remember"  value="" />     <input type="hidden" name="remember"  value="" />
    <input type="hidden" name="localpath" value="$ENV{'form.localpath'}" />     <input type="hidden" name="localpath" value="$env{'form.localpath'}" />
    <input type="hidden" name="localres" value="$ENV{'form.localres'}" />     <input type="hidden" name="localres" value="$env{'form.localres'}" />
   </form>    </form>
 ENDSERVERFORM  ENDSERVERFORM
       my $coursecatalog;
       if (($showcoursecat eq '') || ($showcoursecat)) {
           $coursecatalog = &coursecatalog_link($lt{'catalog'});
       }
     if ($fullgraph) { $r->print(<<ENDTOP);      if ($fullgraph) { $r->print(<<ENDTOP);
   <!-- The LON-CAPA Header -->    <!-- The LON-CAPA Header -->
   <tr>    <tr>
Line 358  ENDSERVERFORM Line 414  ENDSERVERFORM
   </tr>    </tr>
   <tr>    <tr>
         
    <!-- A cell that will hold the 'access' and 'about' buttons -->     <!-- A cell that will hold the 'access', 'about', and 'catalog' links -->
    <!-- Row 3 Column 1 -->     <!-- Row 3 Column 1 -->
    <td valign="top" height=60 align="center" bgcolor="$sidebg">     <td valign="top" height="60" align="left" bgcolor="$sidebg">
     <a href="/adm/login?interface=textual"><img src="$iconpath/$lt{'access'}" border=0 alt="Accessibility Options" /></a>      <table cellpadding="0" cellspacing="2" border="0">
     <br />       <tr>
     <a href="/adm/about.html"><img src="$iconpath/$lt{'about'}" border=0 alt="About LON-CAPA" /></a>        <td>&nbsp;</td>
         <td><a href="/adm/login?interface=textual"><b>$lt{'access'}</b></a></td>
        </tr>
        <tr>
         <td>&nbsp;</td>
         <td><a href="/adm/about.html"><b>$lt{'about'}</b></a></td>
        </tr>$coursecatalog
        <tr>
         <td colspan="2">&nbsp;</td>
        </tr>
       </table>
    </td>     </td>
   
    <!-- The shaded space between the two main columns -->     <!-- The shaded space between the two main columns -->
    <!-- Row 3 Column 2 -->     <!-- Row 3 Column 2 -->
    <td width=27 height=60 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>     <td width=27 height=60 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>
Line 394  ENDTOP Line 459  ENDTOP
     unless ($fullgraph) {      unless ($fullgraph) {
         $r->print(<<ENDACCESSOPTIONS);          $r->print(<<ENDACCESSOPTIONS);
 <h3>Select Accessibility Options</h3>  <h3>Select Accessibility Options</h3>
 <input type="checkbox" name="imagesuppress" /> Suppress rendering of images<br />  <label><input type="checkbox" name="imagesuppress" /> Suppress rendering of images</label><br />
 <input type="checkbox" name="appletsuppress" /> Suppress Java applets<br />  <label><input type="checkbox" name="appletsuppress" /> Suppress Java applets</label><br />
 <input type="checkbox" name="embedsuppress" /> Suppress rendering of embedded multimedia<br />  <label><input type="checkbox" name="embedsuppress" /> Suppress rendering of embedded multimedia</label><br />
 <input type="checkbox" name="fontenhance" /> Increase font size<br />  <label><input type="checkbox" name="fontenhance" /> Increase font size</label><br />
 <input type="checkbox" name="blackwhite" /> Switch to black and white mode<br />  <label><input type="checkbox" name="blackwhite" /> Switch to black and white mode</label><br />
 <p>If you have accessibility needs that are not addressed by this interface,   
 please  
 contact the system administrator at <tt>$sysadm</tt>.</p><br />  
 <input type="checkbox" name="remember" /> Remember these settings for next login<hr />  <input type="checkbox" name="remember" /> Remember these settings for next login<hr />
 ENDACCESSOPTIONS  ENDACCESSOPTIONS
 } else {  } else {
Line 427  ENDNOOPT Line 489  ENDNOOPT
       </tr>        </tr>
       <tr>        <tr>
        <td bgcolor="$mainbg"><font size=-1><b>&nbsp;&nbsp;&nbsp;$lt{'pw'}:</b></font></td>         <td bgcolor="$mainbg"><font size=-1><b>&nbsp;&nbsp;&nbsp;$lt{'pw'}:</b></font></td>
        <td bgcolor="$mainbg"><input type="password" name="upass" size="10" /></td>         <td bgcolor="$mainbg"><input type="password" name="upass$now" size="10" /></td>
       </tr>        </tr>
       <tr>        <tr>
        <td bgcolor="$mainbg"><font size=-1><b>&nbsp;&nbsp;&nbsp;$lt{'dom'}:</b></font></td>         <td bgcolor="$mainbg"><font size=-1><b>&nbsp;&nbsp;&nbsp;$lt{'dom'}:</b></font></td>
        <td bgcolor="$mainbg"><input type="text" name="udom" size="10" value="$authdomain" /></td>         <td bgcolor="$mainbg"><input type="text" name="udom" size="10" value="$authdomain" /></td>
       </tr>        </tr>
       <tr>        <tr>
        <td bgcolor="$mainbg">&nbsp;&nbsp;&nbsp;<a href="/adm/loginproblems.html">$lt{'help'}</a></td>         <td bgcolor="$mainbg">&nbsp;</td>
        <td bgcolor="$mainbg" valign="bottom" align="center">         <td bgcolor="$mainbg" valign="bottom" align="center">
         <br />          <br />
         <input type="submit" value="$lt{'log'}" />          <input type="submit" value="$lt{'log'}" />
        </td>         </td>
       </tr>        </tr>
         <tr>
          <td bgcolor="$mainbg" valign="bottom" align="left" colspan="2">
           $loginhelp
           $forgotpw
          </td>
         </tr>
      </table>       </table>
      <!-- End sub-table -->       <!-- End sub-table -->
     </form>      </form>
 ENDLOGIN  ENDLOGIN
     if ($fullgraph) {      if ($fullgraph) {
           my $helpdeskscript;
           my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail,
                                     $version,$authdomain,\$helpdeskscript);
  $r->print(<<ENDDOCUMENT);   $r->print(<<ENDDOCUMENT);
    </td>     </td>
   
Line 497  ENDLOGIN Line 568  ENDLOGIN
       </tr>        </tr>
      </table>       </table>
      <br />       <br />
     <small>      $contactblock
      <b>&nbsp;&nbsp;&nbsp;$lt{'sysadm'}:</b><br />  
      <tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$sysadm</tt><br />  
      <b>&nbsp;&nbsp;&nbsp;$lt{'servadm'}:</b><br />  
      <tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$servadm</tt><br />&nbsp;<br />  
      &nbsp;&nbsp;&nbsp;$version  
     </small>  
    </td>     </td>
   
    <!-- Row 5 Column 2 -->     <!-- Row 5 Column 2 -->
Line 533  $domainlogo Line 598  $domainlogo
   </tr>    </tr>
  </table>   </table>
   
 <script>  <script type="text/javascript">
 // the if prevents the script error if the browser can't handle this  // the if prevents the script error if the browser can not handle this
 if ( document.client.uname ) { document.client.uname.focus(); }  if ( document.client.uname ) { document.client.uname.focus(); }
 </script>  </script>
   $helpdeskscript
   
 ENDDOCUMENT  ENDDOCUMENT
 }  }
     $r->print('</body></html>');      $r->print('</body></html>');
     return OK;      return OK;
 }   }
   
   sub contactdisplay {
       my ($lt,$servadm,$showadminmail,$version,$authdomain,$helpdeskscript) = @_;
       my $contactblock;
       my $showhelpdesk = 0;
       my $requestmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
       if ($requestmail =~ m/^[^\@]+\@[^\@]+$/) {
           $showhelpdesk = 1;
       }
       if ($servadm && $showadminmail) {
           $contactblock .= '<b>&nbsp;&nbsp;&nbsp;'.$$lt{'servadm'}.':</b><br />'.
                            '<tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'.$servadm.'</tt><br />&nbsp;<br />';
       }
       if ($showhelpdesk) {
           $contactblock .= '<b>&nbsp;&nbsp;&nbsp;<a href="javascript:helpdesk()"><font size="+1">'.$lt->{'helpdesk'}.'</font></a></b><br />';
           my $thisurl = &escape('/adm/login');
           $$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;
   }
   
   sub forgotpwdisplay {
       my (%lt) = @_;
       my $prompt_for_resetpw = 1; 
       if ($prompt_for_resetpw) {
           return '<br />&nbsp;&nbsp;&nbsp;<a href="/adm/resetpw">'.$lt{'forgotpw'}.'</a></b><br /><br />';
       }
       return;
   }
   
   sub loginhelpdisplay {
       my (%lt) = @_;
       my $login_help = 1;
       if ($login_help) {
           return '&nbsp;&nbsp;&nbsp;<a href="/adm/loginproblems.html">'.$lt{'help'}.'</a></b>';
       }
       return;
   }
   
   sub coursecatalog_link {
       my ($linkname) = @_;
       return <<"END";
        <tr>
         <td>&nbsp;</td>
         <td><a href="/adm/coursecatalog"><b>$linkname</b></a></td>
        </tr>
   END
   }
   
 1;  1;
 __END__  __END__
Removed from v.1.55.2.3  
changed lines
  Added in v.1.92

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