Annotation of loncom/auth/lonlogout.pm, revision 1.32
1.1 www 1: # The LearningOnline Network
2: # Logout Handler
1.3 www 3: #
1.32 ! bisitz 4: # $Id: lonlogout.pm,v 1.31 2008/05/13 15:06:34 www 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;
1.29 albertel 44: my $handle = &Apache::lonnet::check_for_valid_session($r);
1.17 albertel 45: #check if cookie still valid
1.29 albertel 46: if ($handle eq '') {
1.17 albertel 47: $r->log_reason("Cookie $handle not valid", $r->filename);
48: return FORBIDDEN;
49: }
50:
51: #we've got a valid user
1.31 www 52: #any locks in place?
53: my $locknum=&Apache::lonnet::get_locks();
54: if ($locknum) { return 409; }
55: #nope, go ahead
1.17 albertel 56: my @profile;
1.29 albertel 57: my $lonidsdir=$r->dir_config('lonIDsDir');
1.21 albertel 58: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
1.17 albertel 59: unlink("$lonidsdir/$handle.id");
60: my %temp=('logout' => time);
61: &Apache::lonnet::put('email_status',\%temp);
1.21 albertel 62: &Apache::lonnet::log($env{'user.domain'},
63: $env{'user.name'},
64: $env{'user.home'},
1.17 albertel 65: "Logout $ENV{'REMOTE_ADDR'}");
1.25 albertel 66:
1.17 albertel 67: &Apache::loncommon::content_type($r,'text/html');
1.25 albertel 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:
1.17 albertel 75: $r->send_http_header;
76: return OK if $r->header_only;
1.2 www 77: # -------------------------------------------------------- Menu script and info
78:
79: my $windowinfo=&Apache::lonmenu::close();
1.13 albertel 80: $windowinfo.=&Apache::lonnavmaps::close();
1.6 www 81: # ---------------------------------------------------------------- Get handover
82: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['handover']);
83: my $switch='';
1.18 albertel 84: my $start_page='';
1.7 www 85: my $relogmessage='';
1.14 albertel 86: if ($env{'form.handover'}) {
1.17 albertel 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 {
1.19 albertel 92: $start_page=&Apache::loncommon::start_page('Logged Out',undef,
93: {'no_inline_link' => 1,});
1.26 albertel 94:
1.32 ! bisitz 95: $relogmessage.='<h1>'.&mt('Goodbye').'</h1>'
! 96: .'<p>'.&mt('Thank you for using LON-CAPA.').'</p>';
1.26 albertel 97:
98: if (!$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:
1.32 ! bisitz 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>';
1.26 albertel 115: }
116: my $domain = $env{'user.domain'};
1.20 albertel 117: if ($env{'request.sso.login'}
1.26 albertel 118: && defined($r->dir_config("lonSSOUserLogoutMessageFile_$domain"))) {
119: open(my $fh,$r->dir_config("lonSSOUserLogoutMessageFile_$domain"));
120: $relogmessage.= join('',<$fh>);
121: }
122: if ($env{'request.sso.login'}
1.27 albertel 123: && defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1.20 albertel 124: open(my $fh,$r->dir_config('lonSSOUserLogoutMessageFile'));
125: $relogmessage.= join('',<$fh>);
126: }
127:
1.17 albertel 128: }
1.18 albertel 129: my $end_page=&Apache::loncommon::end_page();
1.2 www 130: # --------------------------------------------------------------- Screen Output
1.17 albertel 131: $r->print(<<ENDDOCUMENT);
1.16 albertel 132: $start_page
1.2 www 133: $windowinfo
1.7 www 134: $relogmessage
1.16 albertel 135: $end_page
1.1 www 136: ENDDOCUMENT
1.28 albertel 137: $r->register_cleanup(\&flush_course_logs);
138: return OK;
139: }
140:
141: sub flush_course_logs {
1.17 albertel 142: &Apache::lonnet::flushcourselogs();
1.28 albertel 143: return OK;
1.1 www 144: }
145:
146: 1;
147: __END__
148:
149:
150:
151:
152:
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154:
155:
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