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Diff for /loncom/auth/lonlogin.pm between versions 1.22 and 1.107

version 1.22, 2002/09/17 19:45:11 version 1.107, 2008/11/22 19:07:02
Line 25 Line 25
 #  #
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
 # 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,  
 # 1/17/01 Gerd Kortemeyer  
 #  
 # 2/7/02,2/8,2/12,2/14,2/15,2/19 Josh Brunskole  
 #   
 # 7/10/02 Jeremy Bowers  
   
 package Apache::lonlogin;  package Apache::lonlogin;
   
 use strict;  use strict;
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
 use Apache::File ();  use Apache::File ();
 use Apache::lonnet();  use Apache::lonnet;
 use Apache::loncommon();  use Apache::loncommon();
   use Apache::lonauth();
   use Apache::lonlocal;
   use Apache::migrateuser();
   use lib '/home/httpd/lib/perl/';
   use LONCAPA;
    
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
     $r->content_type('text/html');  
       &Apache::loncommon::get_unprocessed_cgi
    (join('&',$ENV{'QUERY_STRING'},$env{'request.querystring'},
         $ENV{'REDIRECT_QUERY_STRING'}),
    ['interface','username','domain','firsturl','localpath','localres',
     'token']);
       if (!defined($env{'form.firsturl'})) {
           &Apache::lonacc::get_posted_cgi($r,['firsturl']);
       }
   
   # -- 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($r);
       &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;      $r->send_http_header;
     return OK if $r->header_only;      return OK if $r->header_only;
   
   
     &Apache::loncommon::get_unprocessed_cgi  # Are we re-routing?
                          ($ENV{'QUERY_STRING'},['interface']);      if (-e '/home/httpd/html/lon-status/reroute.txt') {
    &Apache::lonauth::reroute($r);
    return OK;
       }
   
   
   # -------------------------------- Prevent users from attempting to login twice
       my $handle = &Apache::lonnet::check_for_valid_session($r);
       if ($handle=~/^publicuser\_/) {
   # For "public user" - remove it, we apparently really want to login
    unlink($r->dir_config('lonIDsDir')."/$handle.id");
       } elsif ($handle ne '') {
   # Indeed, a valid token is found
    my $start_page = 
       &Apache::loncommon::start_page('Already logged in');
    my $end_page = 
       &Apache::loncommon::end_page();
    $r->print(
                     $start_page
                    .'<h1>'.&mt('You are already logged in!').'</h1>'
                    .'<p>'.&mt('Please either [_1]continue the current session[_2] or [_3]logout[_4].',
                     '<a href="/adm/roles">','</a>','<a href="/adm/logout">','</a>').'</p>'
                    .'<p><a href="/adm/loginproblems.html">'.&mt('Login problems?').'</a></p>'
                    .$end_page
                    );
           return OK;
       }
   
     $ENV{'form.interface'}=~s/\W//g;  # ---------------------------------------------------- No valid token, continue
   
     my $fullgraph=($ENV{'form.interface'} ne 'textual');   # ---------------------------- Not possible to really login to domain "public"
       if ($env{'form.domain'} eq 'public') {
    $env{'form.domain'}='';
    $env{'form.username'}='';
       }
   # ----------------------------------------------------------- Process Interface
       $env{'form.interface'}=~s/\W//g;
   
     my $iconpath= $r->dir_config('lonIconsURL');     # my $textbrowsers=$r->dir_config('lonTextBrowsers');
     my $domain  = $r->dir_config('lonDefDomain');      my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
       
      # foreach (split(/\:/,$textbrowsers)) {
   # if ($httpbrowser=~/$_/i) {
   #    $env{'form.interface'}='textual';
   #        }
   #    }
   
       my $fullgraph=($env{'form.interface'} ne 'textual');
   
       my $iconpath= 
    &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
   
       my $domain = &Apache::lonnet::default_login_domain();
       if (($env{'form.domain'}) && 
    (&Apache::lonnet::domain($env{'form.domain'},'description'))) {
    $domain=$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 $version = $r->dir_config('lonVersion');
       my $host_name = &Apache::lonnet::hostname($lonhost);
   
   # --------------------------------------------- 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 $otherserver='http://'.$ENV{'SERVER_NAME'};  # ------------------------------------------------------- Do the load balancing
     my $firsturl=$ENV{'request.firsturl'};      my $otherserver= &Apache::lonnet::absolute_url($host_name);
 # ---------------------------------------- Are we access server and overloaded?      my $firsturl=
     if (($loadpercent>100.0)) {      ($env{'request.firsturl'}?$env{'request.firsturl'}:$env{'form.firsturl'});
         $otherserver=Apache::lonnet::spareserver($loadpercent);  # ---------------------------------------------------------- Are we overloaded?
       if ((($userloadpercent>100.0)||($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 101  sub handler { Line 178  sub handler {
     my $uextkey=hex($ukey);      my $uextkey=hex($ukey);
     if ($uextkey>2147483647) { $uextkey-=4294967296; }      if ($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);
     my $domainlogo=&Apache::loncommon::domainlogo();  
 # --------------------------------------------------- Print login screen header  
     $r->print(<<ENDHEADER);  
 <html>  
 <head>  
 <title>The LearningOnline Network with CAPA Login</title>  
 </head>  
 ENDHEADER  
 # ---------------------------------------------------- Serve out DES JavaScript  
     {  
  my $jsh=Apache::File->new($include."/londes.js");  
         $r->print(<$jsh>);  
     }  
   
 # ----------------------------------------------------------- Front page design  # ------------------- If we cannot talk to ourselves, we are in serious trouble
     my $pgbg=&Apache::loncommon::designparm('login.pgbg');  
     my $font=&Apache::loncommon::designparm('login.font');  
     my $link=&Apache::loncommon::designparm('login.link');  
     my $vlink=&Apache::loncommon::designparm('login.vlink');  
     my $alink=&Apache::loncommon::designparm('login.alink');  
     my $mainbg=&Apache::loncommon::designparm('login.mainbg');  
     my $sidebg=&Apache::loncommon::designparm('login.sidebg');  
     my $logo=&Apache::loncommon::designparm('login.logo');  
     my $img=&Apache::loncommon::designparm('login.img');  
   
       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);
       my $hostname = &Apache::lonnet::hostname($hostid);
       next if ($last eq $hostname);
               $spares.='<br /><font size="+1"><a href="http://'.
                   $hostname.
                   '/adm/login?domain='.$authdomain.'">'.
                   $hostname.'</a>'.
                   ' '.&mt('(preferred)').'</font>'.$/;
       $last=$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;
   }
   $r->print(
      '<html>'
     .'<head><title>'
     .&mt('The LearningOnline Network with CAPA')
     .'</title></head>'
     .'<body bgcolor="#FFFFFF">'
     .'<h1>'.&mt('The LearningOnline Network with CAPA').'</h1>'
     .'<img src="/adm/lonKaputt/lonlogo_broken.gif" align="right" />'
     .'<h3>'.&mt('This LON-CAPA server is temporarily not available for login.').'</h3>'
     .'<p>'.&mt('Please attempt to login to one of the following servers:').'</p>'
     .$spares
     .'</body>'
     .'</html>'
   );
   return OK;
   }
   
 # ---------------------------------------------------------- Serve rest of page  # ----------------------------------------------- Apparently we are in business
     $r->print(<<ENDSCRIPT);  $servadm=~s/\,/\<br \/\>/g;
   
 <body bgcolor="$pgbg" text="$font" link="$link" vlink="$vlink" alink="$alink"  # ----------------------------------------------------------- Front page design
  onLoad="init();" topmargin=0 leftmargin=0 marginwidth=0 marginheight=0>  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 $textcol = 
   ($fullgraph?&Apache::loncommon::designparm('login.textcol',$domain):'#000000');
   my $bgcol =
   ($fullgraph?&Apache::loncommon::designparm('login.bgcol',$domain):'#FFFFFF');
   my $logo=&Apache::loncommon::designparm('login.logo',$domain);
   my $img=&Apache::loncommon::designparm('login.img',$domain);
   my $domainlogo=&Apache::loncommon::domainlogo($domain);
   my $login=&Apache::loncommon::designparm('login.login',$domain);
   if ($login eq '') {
   $login = $iconpath.'/'.&mt('userauthentication.gif');
   }
   my $showadminmail=&Apache::loncommon::designparm('login.adminmail',$domain);
   my $showcoursecat =
   &Apache::loncommon::designparm('login.coursecatalog',$domain);
   my $loginheader =&Apache::loncommon::designparm('login.loginheader',$domain);
   my $shownewuserlink = 
   &Apache::loncommon::designparm('login.newuser',$domain);
   my $now=time;
   my $js = (<<ENDSCRIPT);
   
   <script language="JavaScript">
   function send()
   {
   this.document.server.elements.uname.value
   =this.document.client.elements.uname.value;
   
   this.document.server.elements.udom.value
   =this.document.client.elements.udom.value;
   
   uextkey=this.document.client.elements.uextkey.value;
   lextkey=this.document.client.elements.lextkey.value;
   initkeys();
   
   this.document.server.elements.upass0.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));
   
  <script language="JavaScript">  this.document.client.elements.uname.value='';
     function send()  this.document.client.elements.upass$now.value='';
     {  
  this.document.server.elements.uname.value  
        =this.document.client.elements.uname.value;  
   
         this.document.server.elements.udom.value  this.document.server.submit();
        =this.document.client.elements.udom.value;  return false;
   }
   </script>
   
         uextkey=this.document.client.elements.uextkey.value;  ENDSCRIPT
         lextkey=this.document.client.elements.lextkey.value;  
         initkeys();  
   
         this.document.server.elements.upass.value  # --------------------------------------------------- Print login screen header
     =crypted(this.document.client.elements.upass.value);  
   
         this.document.server.submit();  my %add_entries = (topmargin    => "0",
  return false;         leftmargin   => "0",
     }         marginheight => "0",
  </script>         marginwidth  => "0",
 ENDSCRIPT         bgcolor      => "$pgbg",
          text         => "$font",
          link         => "$link",
          vlink        => "$vlink",
          alink        => "$alink",);
   
   $r->print(&Apache::loncommon::start_page('The LearningOnline Network with CAPA Login',$js,
          { 'redirect'       => [$expire,'/adm/roles'], 
    'add_entries' => \%add_entries,
    'only_body'   => 1,}));
   
   # ----------------------------------------------------------------------- Texts
   
   my %lt=&Apache::lonlocal::texthash(
     'un'  => 'Username',
     'pw'  => 'Password',
     'dom' => 'Domain',
     'perc' => 'percent',
     'load' => 'Server Load',
     'userload' => 'User Load',
     'about'  => 'About LON-CAPA',
     'catalog' => 'Course Catalog',
     'log' => 'Log in',
     'help' => 'Log-in Help',
     'serv' => 'Server',
     'servadm' => 'Server Administration',
     'helpdesk' => 'Contact Helpdesk',
     'forgotpw' => 'Forgot password?',
     'newuser'  => 'New User?',
     'options_headline' => 'Select Accessibility Options',
     'sprs_img' => 'Suppress rendering of images',
     'sprs_applet' => 'Suppress Java applets',
     'sprs_embed' => 'Suppress rendering of embedded multimedia',
     'sprs_font' => 'Increase font size',
     'sprs_blackwhite' => 'Switch to black and white mode',
     'remember' => 'Remember these settings for next login');
   # -------------------------------------------------- Change password field name
   my $forgotpw = &forgotpwdisplay(%lt);
   my $loginhelp = &loginhelpdisplay(%lt);
   
     if ($fullgraph) {  # ---------------------------------------------------- Serve out DES JavaScript
  $r->print(  {
   '<table width="100%" cellpadding=0 cellspacing=0 border=0>');  my $jsh=Apache::File->new($include."/londes.js");
     }  $r->print(<$jsh>);
   }
   # ---------------------------------------------------------- Serve rest of page
   
     $r->print(<<ENDSERVERFORM);  if ($fullgraph) {
   <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">  $r->print(
    <input type=hidden name=logtoken value="$logtoken">    '<div class="LC_loginpage_container">');
    <input type=hidden name=serverid value="$lonhost">  }
    <input type=hidden name=interface value="$ENV{'form.interface'}">  
    <input type=hidden name=uname value="">  $r->print(<<ENDSERVERFORM);
    <input type=hidden name=upass value="">  <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">
    <input type=hidden name=udom value="">     <input type="hidden" name="logtoken" value="$logtoken" />
      <input type="hidden" name="serverid" value="$lonhost" />
      <input type="hidden" name="uname" 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="localpath" value="$env{'form.localpath'}" />
      <input type="hidden" name="localres" value="$env{'form.localres'}" />
   </form>    </form>
 ENDSERVERFORM  ENDSERVERFORM
     if ($fullgraph) { $r->print(<<ENDTOP);      my $coursecatalog;
       if (($showcoursecat eq '') || ($showcoursecat)) {
           $coursecatalog = &coursecatalog_link($lt{'catalog'});
       }
       my $newuserlink;
       if ($shownewuserlink) {
           $newuserlink = &newuser_link($lt{'newuser'});
       }
       my $logintitle;
       if ($loginheader eq 'text') {
           $logintitle = $lt{'log'};
       } else {
           $logintitle = '<img src="'.$login.'" alt="'.
                         &mt('User Authentication').'" />';
       }
       
        my $noscript_warning='<noscript>'
                           .&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.')
                           .'</noscript>';
         my $helpdeskscript;
         my $contactblock = &contactdisplay(\%lt,$servadm,$showadminmail,
                                     $version,$authdomain,\$helpdeskscript);
                    
       if ($fullgraph) { 
       $r->print(<<ENDTOP);
   <!-- The LON-CAPA Header -->    <!-- The LON-CAPA Header -->
   <tr>  <table border="0" align="left" width="100%" cellspacing="0" cellpadding="1">
   <tr>
    <!-- Row 1 Columns 2-4 -->  <td align="left" valign="top" bgcolor="$pgbg"> <img src="$img" border=0 alt="The Learning Online Network with CAPA" /> </td>
    <td width="100%" height=75 colspan=4 align="left" valign="top" bgcolor="#006600"><img src="$img" border=0 alt="The Learning Online Network with CAPA" /></td>  </tr>
   </tr>  </table>
   
   <!-- The gray bar that starts the two table frames -->   <div class="LC_loginpage_space">&nbsp;</div>
   <tr>      <img src="$logo" alt="" />
    <div class="LC_loginpage_loginContainer"><fieldset class="LC_loginpage_fieldset">
    <!-- Row 2 Column 1 -->  <legend class="LC_loginpage_legend">$logintitle</legend>
    <td width=182 height=27 bgcolor="$sidebg">&nbsp;</td>  <table border="0" align="left" cellspacing="1" cellpadding="1" width="100%">
    <tr>
    <td width="50%" align="center" valign="top">$domainlogo</td>
    <td>
   ENDTOP
   
   $r->print('<form name="client" onsubmit="return(send())">');
   
    <!-- Row 2 Column 2 -->  $r->print(<<ENDTOPP)
    <td width=27 height=27 align="left" background="$iconpath/filltop.gif"><img src="$iconpath/upperleft.gif" border=0 alt="" /></td>   <input type="hidden" name="lextkey" value="$lextkey">
         <input type="hidden" name="uextkey" value="$uextkey">
         <b><label for="uname">$lt{'un'}</label>:</b><br />
           <input type="text" name="uname" size="10" value="$authusername" /><br />
           <b><label for="upass$now">$lt{'pw'}</label>:</b><br />
         <input type="password" name="upass$now" size="10" /><br />
         <b><label for="udom">$lt{'dom'}</label>:</b><br />
           <input type="text" name="udom" size="10" value="$authdomain" /><br />
           <input type="submit" value="$lt{'log'}" />
           </form>
    </td>
    </tr>
   </table>  
   $noscript_warning
   </fieldset></div>
     
   <div class="LC_loginpage_loginInfo">
           $loginhelp<br />
           $forgotpw<br /><br />
           $newuserlink<br />
           $coursecatalog<br /><br />
           <a href="/adm/about.html"><b>$lt{'about'}</b></a><br />
           $helpdeskscript
   </div>
   <div class="LC_loginpage_space">&nbsp;</div>
   $announcements
   ENDTOPP
   }
   if($announcements){$r->print('<div class="LC_loginpage_space">&nbsp;</div>');}
   
    <!-- Row 2 Column 3 -->  
    <td height=27 background="$iconpath/filltop.gif"><img src="$iconpath/filltop.gif" alt="" /></td>  
   
    <!-- Row 2 Column 4 -->     if ($fullgraph) {
    <td width=27 height=27 align="right" background="$iconpath/filltop.gif"><img src="$iconpath/upperright.gif" border=0 alt="" /></td>        
   </tr>   $r->print(<<ENDDOCUMENT);
   <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/accessbutton.gif" border=0 alt="Accessibility Options" /></a>  
     <br />  
     <a href="/adm/about.html"><img src="$iconpath/aboutlon.gif" 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%" rowspan=2 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  
 }  
     $r->print(<<ENDLOGIN);  
     <form name="client" onsubmit="return(send())">  
      <input type="hidden" name="lextkey" value="$lextkey">  
      <input type="hidden" name="uextkey" value="$uextkey">  
   
      <!-- Start the sub-table for text and input alignment -->  
      <table border=0 cellspacing=0 cellpadding=0>       <table border=0 cellspacing=0 cellpadding=0>
       <tr><td bgcolor="$sidebg" colspan=2><img src="$iconpath/userauthentication.gif" alt="User Authentication" /></td></tr>  
       <tr>  
        <td bgcolor="$mainbg"><br /><font size=-1><b>&nbsp;&nbsp;&nbsp;User Name:</b></font></td>  
        <td bgcolor="$mainbg"><br /><input type="text" name="uname" size="10" /></td>  
       </tr>  
       <tr>        <tr>
        <td bgcolor="$mainbg"><font size=-1><b>&nbsp;&nbsp;&nbsp;Password:</b></font></td>         <td bgcolor="$sidebg" align="left" valign="top">
        <td bgcolor="$mainbg"><input type="password" name="upass" size="10" /></td>          <small><b>&nbsp;&nbsp;&nbsp;$lt{'dom'}:&nbsp;</b></small>
       </tr>         </td>
       <tr>         <td bgcolor="$sidebg" align="left" valign="top">
        <td bgcolor="$mainbg"><font size=-1><b>&nbsp;&nbsp;&nbsp;Domain:</b></font></td>          <small><tt>&nbsp;$domain</tt></small>
        <td bgcolor="$mainbg"><input type="text" name="udom" size="10" value=$domain /></td>  
       </tr>  
       <tr>  
        <td bgcolor="$mainbg" valign="bottom" align="center" colspan=2>  
         <br />  
         <input type="submit" value="Log In" />  
        </td>         </td>
       </tr>        </tr>
      </table>  
      <!-- End sub-table -->  
     </form>  
 ENDLOGIN  
     if ($fullgraph) {  
  $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 4 -->  
    <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>  
   </tr>  
   <tr>  
   
    <!-- Row 5 Column 1 -->  
    <td bgcolor="$sidebg" valign="middle" align="left">  
      <br />  
      <table border=0 cellspacing=0 cellpadding=0>  
       <tr>        <tr>
        <td bgcolor="$sidebg" align="left" valign="top">         <td bgcolor="$sidebg" align="left" valign="top">
         <small><b>&nbsp;&nbsp;&nbsp;Domain:&nbsp;</b></small>          <small><b>&nbsp;&nbsp;&nbsp;$lt{'serv'}:&nbsp;</b></small>
        </td>         </td>
        <td bgcolor="$sidebg" align="left" valign="top">         <td bgcolor="$sidebg" align="left" valign="top">
         <small><tt>&nbsp;$domain</tt></small>          <small><tt>&nbsp;$lonhost ($role)</tt></small>
        </td>         </td>
       </tr>        </tr>
       <tr>        <tr>
        <td bgcolor="$sidebg" align="left" valign="top">         <td bgcolor="$sidebg" align="left" valign="top">
         <small><b>&nbsp;&nbsp;&nbsp;Server:&nbsp;</b></small>          <small><b>&nbsp;&nbsp;&nbsp;$lt{'load'}:&nbsp;</b></small>
        </td>         </td>
        <td bgcolor="$sidebg" align="left" valign="top">         <td bgcolor="$sidebg" align="left" valign="top">
         <small><tt>&nbsp;$lonhost ($role)</tt></small>          <small><tt>&nbsp;$loadpercent $lt{'perc'}</tt></small>
        </td>         </td>
       </tr>        </tr>
       <tr>        <tr>
        <td bgcolor="$sidebg" align="left" valign="top">         <td bgcolor="$sidebg" align="left" valign="top">
         <small><b>&nbsp;&nbsp;&nbsp;Load:&nbsp;</b></small>          <small><b>&nbsp;&nbsp;&nbsp;$lt{'userload'}:&nbsp;</b></small>
        </td>         </td>
        <td bgcolor="$sidebg" align="left" valign="top">         <td bgcolor="$sidebg" align="left" valign="top">
         <small><tt>&nbsp;$loadpercent percent</tt></small>          <small><tt>&nbsp;$userloadpercent $lt{'perc'}</tt></small>
        </td>         </td>
       </tr>        </tr>
      </table>       </table>
      <br />       
     <small>      $contactblock
      <b>&nbsp;&nbsp;&nbsp;System Administration:</b><br />  
      <tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$sysadm</tt><br />   </div>
      <b>&nbsp;&nbsp;&nbsp;Server Administration:</b><br />  
      <tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$servadm<br />&nbsp;</tt>  <script type="text/javascript">
     </small>  // the if prevents the script error if the browser can not handle this
    </td>  if ( document.client.uname ) { document.client.uname.focus(); }
   </script>
    <!-- Row 5 Column 2 -->  $helpdeskscript
    <td width=27 background="$iconpath/fillleft.gif"><img src="$iconpath/fillleft.gif" alt="" /></td>  
   
    <!-- Row 5 Column 3 -->  
    <td width="100%" valign="bottom" bgcolor="$mainbg">  
 $domainlogo  
 </td>  
   
    <!-- Row 5 Column 4 -->  
    <td width=27 background="$iconpath/fillright.gif"><img src="$iconpath/fillright.gif" alt="" /></td>  
   </tr>  
   <tr>  
   
    <!-- Row 6 Column 1 -->  
    <td bgcolor="$sidebg">&nbsp;</td>  
   
    <!-- Row 6 Column 2 -->  
    <td align="left" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerleft.gif" alt="" /></td>  
   
    <!-- Row 6 Column 3 -->  
    <td background="$iconpath/fillbottom.gif"><img src="$iconpath/fillbottom.gif" alt="" /></td>  
   
    <!-- Row 6 Column 4 -->  
    <td align="right" background="$iconpath/fillbottom.gif"><img src="$iconpath/lowerright.gif" alt="" /></td>  
   </tr>  
  </table>  
   
 ENDDOCUMENT  ENDDOCUMENT
 }  }
     $r->print('</body></html>');      my %endargs = ( 'noredirectlink' => 1, );
       $r->print(&Apache::loncommon::end_page(\%endargs));
     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 '<a href="/adm/resetpw">'.$lt{'forgotpw'}.'</a>';
       }
       return;
   }
   
   sub loginhelpdisplay {
       my (%lt) = @_;
       my $login_help = 1;
       if ($login_help) {
           return '<a href="/adm/loginproblems.html">'.$lt{'help'}.'</a>';
       }
       return;
   }
   
   sub coursecatalog_link {
       my ($linkname) = @_;
       return <<"END";
         <a href="/adm/coursecatalog">$linkname</a>
   END
   }
   
   sub newuser_link {
       my ($linkname) = @_;
       return '&nbsp;&nbsp;&nbsp;<a href="/adm/createaccount"><b>'.$linkname.'</b></a><br />';
   }
   
 1;  1;
 __END__  __END__
Removed from v.1.22  
changed lines
  Added in v.1.107

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