File:
[LON-CAPA] /
loncom /
auth /
lonlogout.pm
Revision
1.32:
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Fri Aug 1 11:04:09 2008 UTC (16 years, 1 month ago) by
bisitz
Branches:
MAIN
CVS tags:
version_2_8_X,
version_2_8_2,
version_2_8_1,
version_2_8_0,
version_2_7_X,
version_2_7_99_1,
version_2_7_99_0,
version_2_7_1,
version_2_7_0,
HEAD,
GCI_1
- Updated logout messages
- Disabled link functionality of 'close this window' (see comment in code)
1: # The LearningOnline Network
2: # Logout Handler
3: #
4: # $Id: lonlogout.pm,v 1.32 2008/08/01 11:04:09 bisitz Exp $
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: #
28:
29: package Apache::lonlogout;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::File;
34: use Apache::lonnet;
35: use Apache::lonmenu;
36: use CGI::Cookie();
37: use Apache::lonlocal;
38:
39: sub handler {
40: my $r = shift;
41:
42: #Check for cookie
43: my $requrl=$r->uri;
44: my $handle = &Apache::lonnet::check_for_valid_session($r);
45: #check if cookie still valid
46: if ($handle eq '') {
47: $r->log_reason("Cookie $handle not valid", $r->filename);
48: return FORBIDDEN;
49: }
50:
51: #we've got a valid user
52: #any locks in place?
53: my $locknum=&Apache::lonnet::get_locks();
54: if ($locknum) { return 409; }
55: #nope, go ahead
56: my @profile;
57: my $lonidsdir=$r->dir_config('lonIDsDir');
58: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
59: unlink("$lonidsdir/$handle.id");
60: my %temp=('logout' => time);
61: &Apache::lonnet::put('email_status',\%temp);
62: &Apache::lonnet::log($env{'user.domain'},
63: $env{'user.name'},
64: $env{'user.home'},
65: "Logout $ENV{'REMOTE_ADDR'}");
66:
67: &Apache::loncommon::content_type($r,'text/html');
68:
69: #expire the cookie
70: my $c = new CGI::Cookie(-name => 'lonID',
71: -value => '',
72: -expires => '-10y',);
73: $r->header_out('Set-cookie' => $c);
74:
75: $r->send_http_header;
76: return OK if $r->header_only;
77: # -------------------------------------------------------- Menu script and info
78:
79: my $windowinfo=&Apache::lonmenu::close();
80: $windowinfo.=&Apache::lonnavmaps::close();
81: # ---------------------------------------------------------------- Get handover
82: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['handover']);
83: my $switch='';
84: my $start_page='';
85: my $relogmessage='';
86: if ($env{'form.handover'}) {
87: $switch='<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.
88: $env{'form.handover'}.'">';
89: $start_page=&Apache::loncommon::start_page('Switching Server ...',
90: $switch);
91: } else {
92: $start_page=&Apache::loncommon::start_page('Logged Out',undef,
93: {'no_inline_link' => 1,});
94:
95: $relogmessage.='<h1>'.&mt('Goodbye').'</h1>'
96: .'<p>'.&mt('Thank you for using LON-CAPA.').'</p>';
97:
98: if (!$env{'request.sso.norelogin'}) {
99: my $relogin_server;
100: if ($env{'request.sso.reloginserver'}) {
101: $relogin_server = $env{'request.sso.reloginserver'};
102: }
103: my $login_url = $relogin_server.'/adm/'.
104: ($env{'request.sso.login'} ? 'roles': 'login');
105:
106: $relogmessage.='<p>'.&mt('You have been successfully logged out.').' '
107: .&mt('You can [_1]close this window[_2] now.'
108: ,'','')
109: # ,'<a href="javascript:self.close();">','</a>');
110: # Due to security reasons in new web browsers a window could only be closed with java script, if this window has also been opend with javascript. This is not done here which means that in most cases the close link will not work. Unless we find another solution, this link should not be offered. (Stefan Bisitz, 2008-08-01)
111: .'</p>'
112: .'<p>'.&mt('[_1]Log in again[_2]'
113: ,'<a href="'.$login_url.'?domain='.$env{'user.domain'}.'">','</a>')
114: .'</p>';
115: }
116: my $domain = $env{'user.domain'};
117: if ($env{'request.sso.login'}
118: && defined($r->dir_config("lonSSOUserLogoutMessageFile_$domain"))) {
119: open(my $fh,$r->dir_config("lonSSOUserLogoutMessageFile_$domain"));
120: $relogmessage.= join('',<$fh>);
121: }
122: if ($env{'request.sso.login'}
123: && defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
124: open(my $fh,$r->dir_config('lonSSOUserLogoutMessageFile'));
125: $relogmessage.= join('',<$fh>);
126: }
127:
128: }
129: my $end_page=&Apache::loncommon::end_page();
130: # --------------------------------------------------------------- Screen Output
131: $r->print(<<ENDDOCUMENT);
132: $start_page
133: $windowinfo
134: $relogmessage
135: $end_page
136: ENDDOCUMENT
137: $r->register_cleanup(\&flush_course_logs);
138: return OK;
139: }
140:
141: sub flush_course_logs {
142: &Apache::lonnet::flushcourselogs();
143: return OK;
144: }
145:
146: 1;
147: __END__
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