Annotation of loncom/auth/lonlogout.pm, revision 1.40
1.1 www 1: # The LearningOnline Network
2: # Logout Handler
1.3 www 3: #
1.40 ! droeschl 4: # $Id: lonlogout.pm,v 1.39 2010/03/10 21:25:29 droeschl 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:
1.36 jms 29: =head1 NAME
30:
31: Apache::lonlogout
32:
33: =head1 SYNOPSIS
34:
35:
36: This is part of the LearningOnline Network with CAPA project
37: described at http://www.lon-capa.org.
38:
39:
40: =cut
41:
1.1 www 42: package Apache::lonlogout;
43:
44: use strict;
45: use Apache::Constants qw(:common);
46: use Apache::File;
47: use Apache::lonnet;
1.2 www 48: use Apache::lonmenu;
1.1 www 49: use CGI::Cookie();
1.11 www 50: use Apache::lonlocal;
1.1 www 51:
52: sub handler {
53: my $r = shift;
54:
1.17 albertel 55: #Check for cookie
1.1 www 56: my $requrl=$r->uri;
1.29 albertel 57: my $handle = &Apache::lonnet::check_for_valid_session($r);
1.17 albertel 58: #check if cookie still valid
1.29 albertel 59: if ($handle eq '') {
1.17 albertel 60: $r->log_reason("Cookie $handle not valid", $r->filename);
61: return FORBIDDEN;
62: }
63:
64: #we've got a valid user
1.31 www 65: #any locks in place?
66: my $locknum=&Apache::lonnet::get_locks();
67: if ($locknum) { return 409; }
68: #nope, go ahead
1.17 albertel 69: my @profile;
1.29 albertel 70: my $lonidsdir=$r->dir_config('lonIDsDir');
1.21 albertel 71: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
1.17 albertel 72: unlink("$lonidsdir/$handle.id");
73: my %temp=('logout' => time);
74: &Apache::lonnet::put('email_status',\%temp);
1.21 albertel 75: &Apache::lonnet::log($env{'user.domain'},
76: $env{'user.name'},
77: $env{'user.home'},
1.17 albertel 78: "Logout $ENV{'REMOTE_ADDR'}");
1.25 albertel 79:
1.17 albertel 80: &Apache::loncommon::content_type($r,'text/html');
1.25 albertel 81:
82: #expire the cookie
83: my $c = new CGI::Cookie(-name => 'lonID',
84: -value => '',
85: -expires => '-10y',);
86: $r->header_out('Set-cookie' => $c);
87:
1.17 albertel 88: $r->send_http_header;
89: return OK if $r->header_only;
1.2 www 90: # -------------------------------------------------------- Menu script and info
91:
1.6 www 92: # ---------------------------------------------------------------- Get handover
93: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['handover']);
94: my $switch='';
1.18 albertel 95: my $start_page='';
1.7 www 96: my $relogmessage='';
1.14 albertel 97: if ($env{'form.handover'}) {
1.17 albertel 98: $switch='<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.
1.37 bisitz 99: $env{'form.handover'}.'" />';
1.17 albertel 100: $start_page=&Apache::loncommon::start_page('Switching Server ...',
101: $switch);
102: } else {
1.19 albertel 103: $start_page=&Apache::loncommon::start_page('Logged Out',undef,
1.38 droeschl 104: {'no_inline_link' => 1,
105: 'no_nav_bar' => 1,});
1.26 albertel 106:
1.32 bisitz 107: $relogmessage.='<h1>'.&mt('Goodbye').'</h1>'
108: .'<p>'.&mt('Thank you for using LON-CAPA.').'</p>';
1.26 albertel 109:
110: if (!$env{'request.sso.norelogin'}) {
111: my $relogin_server;
112: if ($env{'request.sso.reloginserver'}) {
113: $relogin_server = $env{'request.sso.reloginserver'};
114: }
115: my $login_url = $relogin_server.'/adm/'.
116: ($env{'request.sso.login'} ? 'roles': 'login');
117:
1.32 bisitz 118: $relogmessage.='<p>'.&mt('You have been successfully logged out.').' '
119: .&mt('You can [_1]close this window[_2] now.'
1.34 bisitz 120: ,'','') # ,'<a href="javascript:self.close();">','</a>')
121: .'</p>';
1.33 jms 122: =pod
123:
124: =head1 NOTES:
125:
1.34 bisitz 126: '<a href="javascript:self.close();">','</a>'
1.33 jms 127:
128: 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)
129:
130: =cut
1.34 bisitz 131: $relogmessage.='<p>'.&mt('[_1]Log in again[_2]'
1.32 bisitz 132: ,'<a href="'.$login_url.'?domain='.$env{'user.domain'}.'">','</a>')
133: .'</p>';
1.26 albertel 134: }
135: my $domain = $env{'user.domain'};
1.20 albertel 136: if ($env{'request.sso.login'}
1.26 albertel 137: && defined($r->dir_config("lonSSOUserLogoutMessageFile_$domain"))) {
138: open(my $fh,$r->dir_config("lonSSOUserLogoutMessageFile_$domain"));
139: $relogmessage.= join('',<$fh>);
140: }
141: if ($env{'request.sso.login'}
1.27 albertel 142: && defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1.20 albertel 143: open(my $fh,$r->dir_config('lonSSOUserLogoutMessageFile'));
144: $relogmessage.= join('',<$fh>);
145: }
146:
1.17 albertel 147: }
1.18 albertel 148: my $end_page=&Apache::loncommon::end_page();
1.2 www 149: # --------------------------------------------------------------- Screen Output
1.17 albertel 150: $r->print(<<ENDDOCUMENT);
1.16 albertel 151: $start_page
1.7 www 152: $relogmessage
1.16 albertel 153: $end_page
1.1 www 154: ENDDOCUMENT
1.28 albertel 155: $r->register_cleanup(\&flush_course_logs);
156: return OK;
157: }
158:
159: sub flush_course_logs {
1.17 albertel 160: &Apache::lonnet::flushcourselogs();
1.28 albertel 161: return OK;
1.1 www 162: }
163:
164: 1;
165: __END__
166:
167:
168:
169:
170:
171:
172:
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