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Diff for /loncom/auth/lonlogout.pm between versions 1.4 and 1.32

version 1.4, 2001/11/29 21:54:56 version 1.32, 2008/08/01 11:04:09
Line 25 Line 25
 #  #
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
 # (Cookie Based Access Handler  
 # 5/21/99,5/22,5/29,5/31,6/15,16/11,22/11,  
 # 01/06,01/13 Gerd Kortemeyer)  
 # 05/31 Gerd Kortemeyer  
   
 package Apache::lonlogout;  package Apache::lonlogout;
   
Line 38  use Apache::File; Line 34  use Apache::File;
 use Apache::lonnet;  use Apache::lonnet;
 use Apache::lonmenu;  use Apache::lonmenu;
 use CGI::Cookie();  use CGI::Cookie();
   use Apache::lonlocal;
   
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
   
       #Check for cookie
     my $requrl=$r->uri;      my $requrl=$r->uri;
     my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));      my $handle = &Apache::lonnet::check_for_valid_session($r);
     my $lonid=$cookies{'lonID'};      #check if cookie still valid
     my $cookie;      if ($handle eq '') {
     if ($lonid) {   $r->log_reason("Cookie $handle not valid", $r->filename); 
  my $handle=$lonid->value;   return FORBIDDEN;
         $handle=~s/\W//g;      }
         my $lonidsdir=$r->dir_config('lonIDsDir');  
         if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) {      #we've got a valid user
            my @profile;      #any locks in place?
            my %sessionhash;      my $locknum=&Apache::lonnet::get_locks();
     {      if ($locknum) { return 409; }
              my $idf=Apache::File->new("$lonidsdir/$handle.id");      #nope, go ahead
              @profile=<$idf>;      my @profile;
     }      my $lonidsdir=$r->dir_config('lonIDsDir');
             my $envi;      &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
             for ($envi=0;$envi<=$#profile;$envi++) {      unlink("$lonidsdir/$handle.id");
  chomp($profile[$envi]);      my %temp=('logout' => time);
  my ($envname,$envvalue)=split(/=/,$profile[$envi]);      &Apache::lonnet::put('email_status',\%temp);
                 $sessionhash{$envname}=$envvalue;      &Apache::lonnet::log($env{'user.domain'},
             }   $env{'user.name'},
             unlink("$lonidsdir/$handle.id");   $env{'user.home'},
     &Apache::lonnet::log($sessionhash{'user.domain'},   "Logout $ENV{'REMOTE_ADDR'}");
                                  $sessionhash{'user.name'},  
                                  $sessionhash{'user.home'},      &Apache::loncommon::content_type($r,'text/html');
                                  "Logout $ENV{'REMOTE_ADDR'}");  
             $r->content_type('text/html');      #expire the cookie
             $r->send_http_header;      my $c = new CGI::Cookie(-name    => 'lonID',
             return OK if $r->header_only;      -value   => '',
       -expires => '-10y',);
       $r->header_out('Set-cookie' => $c);
   
       $r->send_http_header;
       return OK if $r->header_only;
 # -------------------------------------------------------- Menu script and info  # -------------------------------------------------------- Menu script and info
   
     my $windowinfo=&Apache::lonmenu::close();      my $windowinfo=&Apache::lonmenu::close();
       $windowinfo.=&Apache::lonnavmaps::close();
   # ---------------------------------------------------------------- Get handover
       &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['handover']);
       my $switch='';
       my $start_page='';
       my $relogmessage='';
       if ($env{'form.handover'}) {
    $switch='<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.
       $env{'form.handover'}.'">';
    $start_page=&Apache::loncommon::start_page('Switching Server ...',
      $switch);
       } else {
    $start_page=&Apache::loncommon::start_page('Logged Out',undef,
      {'no_inline_link' => 1,});
   
           $relogmessage.='<h1>'.&mt('Goodbye').'</h1>'
                         .'<p>'.&mt('Thank you for using LON-CAPA.').'</p>';
   
    if (!$env{'request.sso.norelogin'}) {
       my $relogin_server;
       if ($env{'request.sso.reloginserver'}) {
    $relogin_server = $env{'request.sso.reloginserver'};
       }
       my $login_url = $relogin_server.'/adm/'.
    ($env{'request.sso.login'} ? 'roles': 'login');
   
               $relogmessage.='<p>'.&mt('You have been successfully logged out.').' '
                             .&mt('You can [_1]close this window[_2] now.'
                                 ,'','')
   #                              ,'<a href="javascript:self.close();">','</a>');
   # Due to security reasons in new web browsers a window could only be closed with java script, if this window has also been opend with javascript. This is not done here which means that in most cases the close link will not work. Unless we find another solution, this link should not be offered. (Stefan Bisitz, 2008-08-01)
                             .'</p>'
                             .'<p>'.&mt('[_1]Log in again[_2]'
                                 ,'<a href="'.$login_url.'?domain='.$env{'user.domain'}.'">','</a>')
                             .'</p>';
           }
    my $domain = $env{'user.domain'};
           if ($env{'request.sso.login'}
       && defined($r->dir_config("lonSSOUserLogoutMessageFile_$domain"))) {
       open(my $fh,$r->dir_config("lonSSOUserLogoutMessageFile_$domain"));
       $relogmessage.= join('',<$fh>);
    }
    if ($env{'request.sso.login'}
       && defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
       open(my $fh,$r->dir_config('lonSSOUserLogoutMessageFile'));
       $relogmessage.= join('',<$fh>);
    }
   
       }
       my $end_page=&Apache::loncommon::end_page();
 # --------------------------------------------------------------- Screen Output  # --------------------------------------------------------------- Screen Output
             $r->print(<<ENDDOCUMENT);      $r->print(<<ENDDOCUMENT);
 <html>  $start_page
 <head><title>The LearningOnline Network with CAPA Logout</title></head>  
 <body bgcolor="#FFFFFF">  
 $windowinfo  $windowinfo
 <h1>Goodbye!</h1></body>  $relogmessage
 </html>  $end_page
 ENDDOCUMENT  ENDDOCUMENT
             &Apache::lonnet::flushcourselogs();      $r->register_cleanup(\&flush_course_logs);
             return OK;       return OK; 
         } else {   }
             $r->log_reason("Cookie $handle not valid", $r->filename);   
         }  sub flush_course_logs {
     }      &Apache::lonnet::flushcourselogs();
     return FORBIDDEN;      return OK;
 }  }
   
 1;  1;
Removed from v.1.4  
changed lines
  Added in v.1.32

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