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Annotation of loncom/auth/lonlogout.pm, revision 1.21

1.1       www         1: # The LearningOnline Network
                      2: # Logout Handler
1.3       www         3: #
1.21    ! albertel    4: # $Id: lonlogout.pm,v 1.20 2006/08/29 20:34:39 albertel Exp $
1.3       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: #
1.1       www        28: 
                     29: package Apache::lonlogout;
                     30: 
                     31: use strict;
                     32: use Apache::Constants qw(:common);
                     33: use Apache::File;
                     34: use Apache::lonnet;
1.2       www        35: use Apache::lonmenu;
1.1       www        36: use CGI::Cookie();
1.11      www        37: use Apache::lonlocal;
1.1       www        38: 
                     39: sub handler {
                     40:     my $r = shift;
                     41: 
1.17      albertel   42:     #Check for cookie
1.1       www        43:     my $requrl=$r->uri;
                     44:     my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
                     45:     my $lonid=$cookies{'lonID'};
                     46:     my $cookie;
1.17      albertel   47:     if (!$lonid) {
                     48: 	return FORBIDDEN;
                     49:     }
                     50: 
                     51:     #check if cookie still valid
                     52:     my $handle=$lonid->value;
                     53:     $handle=~s/\W//g;
                     54:     my $lonidsdir=$r->dir_config('lonIDsDir');
                     55:     if ((!-e "$lonidsdir/$handle.id") || ($handle eq '')) {
                     56: 	$r->log_reason("Cookie $handle not valid", $r->filename); 
                     57: 	return FORBIDDEN;
                     58:     }
                     59: 
                     60:     #we've got a valid user
                     61:     my @profile;
1.21    ! albertel   62:     &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
1.17      albertel   63:     unlink("$lonidsdir/$handle.id");
                     64:     my %temp=('logout' => time);
                     65:     &Apache::lonnet::put('email_status',\%temp);
1.21    ! albertel   66:     &Apache::lonnet::log($env{'user.domain'},
        !            67: 			 $env{'user.name'},
        !            68: 			 $env{'user.home'},
1.17      albertel   69: 			 "Logout $ENV{'REMOTE_ADDR'}");
                     70:     &Apache::loncommon::content_type($r,'text/html');
                     71:     $r->send_http_header;
                     72:     return OK if $r->header_only;
1.2       www        73: # -------------------------------------------------------- Menu script and info
                     74: 
                     75:     my $windowinfo=&Apache::lonmenu::close();
1.13      albertel   76:     $windowinfo.=&Apache::lonnavmaps::close();
1.6       www        77: # ---------------------------------------------------------------- Get handover
                     78:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['handover']);
                     79:     my $switch='';
1.18      albertel   80:     my $start_page='';
1.7       www        81:     my $relogmessage='';
1.14      albertel   82:     if ($env{'form.handover'}) {
1.17      albertel   83: 	$switch='<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.
                     84: 	    $env{'form.handover'}.'">';
                     85: 	$start_page=&Apache::loncommon::start_page('Switching Server ...',
                     86: 						   $switch);
                     87:     } else {
1.19      albertel   88: 	$start_page=&Apache::loncommon::start_page('Logged Out',undef,
                     89: 						   {'no_inline_link' => 1,});
1.17      albertel   90: 	my %lt=&Apache::lonlocal::texthash('gb' => 'Goodbye',
                     91: 					   'cw' => 'close this window',
                     92: 					   'li' => 'log in again',
                     93: 					   'pe' => 'Please either',
                     94: 					   'or' => 'or');
1.20      albertel   95: 	my $login_url = '/adm/'.($env{'request.sso.login'} ? 'roles' 
                     96:                                                            : 'login');
                     97: 	
1.17      albertel   98: 	$relogmessage=(<<ENDRELOG);
                     99: 	<h1>$lt{'gb'}!</h1>
                    100: 	    $lt{'pe'} <a href="javascript:self.close();">$lt{'cw'}</a> $lt{'or'}
1.21    ! albertel  101: 	<a href="$login_url?domain=$env{'user.domain'}">$lt{'li'}</a>.
1.7       www       102: ENDRELOG
1.20      albertel  103: 
                    104:         if ($env{'request.sso.login'}
                    105: 	    && defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
                    106: 	    open(my $fh,$r->dir_config('lonSSOUserLogoutMessageFile'));
                    107: 	    $relogmessage.= join('',<$fh>);
                    108: 	}
                    109: 
1.17      albertel  110:     }
1.18      albertel  111:     my $end_page=&Apache::loncommon::end_page();
1.2       www       112: # --------------------------------------------------------------- Screen Output
1.17      albertel  113:     $r->print(<<ENDDOCUMENT);
1.16      albertel  114: $start_page
1.2       www       115: $windowinfo
1.7       www       116: $relogmessage
1.16      albertel  117: $end_page
1.1       www       118: ENDDOCUMENT
1.17      albertel  119:     &Apache::lonnet::flushcourselogs();
                    120:     return OK; 
1.1       www       121: }
                    122: 
                    123: 1;
                    124: __END__
                    125: 
                    126: 
                    127: 
                    128: 
                    129: 
                    130: 
                    131: 
                    132: