Annotation of loncom/auth/lonlogout.pm, revision 1.45.2.3
1.1 www 1: # The LearningOnline Network
2: # Logout Handler
1.3 www 3: #
1.45.2.3! raeburn 4: # $Id: lonlogout.pm,v 1.45.2.2 2013/02/08 17:11:59 raeburn 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");
1.45.2.2 raeburn 73: if (!$Apache::lonlocal::lh) {
74: &Apache::lonlocal::get_language_handle($r);
75: }
1.17 albertel 76: my %temp=('logout' => time);
77: &Apache::lonnet::put('email_status',\%temp);
1.21 albertel 78: &Apache::lonnet::log($env{'user.domain'},
79: $env{'user.name'},
80: $env{'user.home'},
1.17 albertel 81: "Logout $ENV{'REMOTE_ADDR'}");
1.25 albertel 82:
1.17 albertel 83: &Apache::loncommon::content_type($r,'text/html');
1.25 albertel 84:
85: #expire the cookie
86: my $c = new CGI::Cookie(-name => 'lonID',
87: -value => '',
88: -expires => '-10y',);
89: $r->header_out('Set-cookie' => $c);
90:
1.17 albertel 91: $r->send_http_header;
92: return OK if $r->header_only;
1.2 www 93: # -------------------------------------------------------- Menu script and info
94:
1.45.2.1 raeburn 95: my $windowinfo=&Apache::lonmenu::close();
1.6 www 96: # ---------------------------------------------------------------- Get handover
97: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['handover']);
98: my $switch='';
1.18 albertel 99: my $start_page='';
1.7 www 100: my $relogmessage='';
1.14 albertel 101: if ($env{'form.handover'}) {
1.17 albertel 102: $switch='<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.
1.37 bisitz 103: $env{'form.handover'}.'" />';
1.17 albertel 104: $start_page=&Apache::loncommon::start_page('Switching Server ...',
105: $switch);
106: } else {
1.45.2.3! raeburn 107: my $domain = $env{'user.domain'};
! 108: my $headextra;
! 109: if ($env{'request.sso.login'}
! 110: && defined($r->dir_config("lonSSOUserLogoutHeadFile_$domain"))) {
! 111: if (open(my $fh,$r->dir_config("lonSSOUserLogoutHeadFile_$domain"))) {
! 112: $headextra = join('',<$fh>);
! 113: close($fh);
! 114: }
! 115: }
! 116: if ($env{'request.sso.login'}
! 117: && defined($r->dir_config('lonSSOUserLogoutHeadFile'))) {
! 118: if (open(my $fh,$r->dir_config('lonSSOUserLogoutHeadFile'))) {
! 119: $headextra.= join('',<$fh>);
! 120: close($fh);
! 121: }
! 122: }
! 123: $start_page=&Apache::loncommon::start_page('Logged Out',$headextra,
1.45.2.1 raeburn 124: {'no_inline_link' => 1,
125: 'no_nav_bar' => 1,});
1.26 albertel 126:
1.32 bisitz 127: $relogmessage.='<h1>'.&mt('Goodbye').'</h1>'
128: .'<p>'.&mt('Thank you for using LON-CAPA.').'</p>';
1.26 albertel 129:
130: if (!$env{'request.sso.norelogin'}) {
1.42 raeburn 131: my ($relogin_server,$login_url);
1.26 albertel 132: if ($env{'request.sso.reloginserver'}) {
133: $relogin_server = $env{'request.sso.reloginserver'};
1.42 raeburn 134: } else {
135: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
136: if ($domdefaults{'portal_def'}) {
137: $login_url = $domdefaults{'portal_def'};
138: } else {
139: my $checkloginvia = 1;
1.44 raeburn 140: my ($lonhost,$server,$path,$isredirect) =
1.42 raeburn 141: &Apache::lonnet::choose_server($domain,$checkloginvia);
142: if ($server && $lonhost) {
143: $login_url = $Apache::lonnet::protocol{$lonhost}.
144: '://'.$server.$path;
1.44 raeburn 145: if (($path eq '') && (!$isredirect)) {
146: my $serverhomeID =
1.45 raeburn 147: &Apache::lonnet::get_server_homeID($server);
1.44 raeburn 148: my $serverhomedom =
149: &Apache::lonnet::host_domain($serverhomeID);
150: if ($serverhomedom ne $domain) {
151: $path = '/adm/login';
152: $login_url .= $path;
153: }
154: }
1.43 raeburn 155: if ($path eq '/adm/login' && $domain ne '') {
156: $login_url .= '?domain='.$domain;
157: }
1.42 raeburn 158: }
159: }
160: }
161: if ($login_url eq '') {
162: $login_url = $relogin_server.'/adm/'.
163: ($env{'request.sso.login'} ? 'roles': 'login?domain='.$domain);
164: }
1.32 bisitz 165: $relogmessage.='<p>'.&mt('You have been successfully logged out.').' '
166: .&mt('You can [_1]close this window[_2] now.'
1.34 bisitz 167: ,'','') # ,'<a href="javascript:self.close();">','</a>')
168: .'</p>';
1.33 jms 169: =pod
170:
171: =head1 NOTES:
172:
1.34 bisitz 173: '<a href="javascript:self.close();">','</a>'
1.33 jms 174:
1.45.2.3! raeburn 175: Due to security reasons in new web browsers a window could only be closed with javascript, if this window has also been opened 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)
1.33 jms 176:
177: =cut
1.34 bisitz 178: $relogmessage.='<p>'.&mt('[_1]Log in again[_2]'
1.42 raeburn 179: ,'<a href="'.$login_url.'">','</a>')
1.32 bisitz 180: .'</p>';
1.26 albertel 181: }
1.20 albertel 182: if ($env{'request.sso.login'}
1.26 albertel 183: && defined($r->dir_config("lonSSOUserLogoutMessageFile_$domain"))) {
1.45.2.3! raeburn 184: if (open(my $fh,$r->dir_config("lonSSOUserLogoutMessageFile_$domain"))) {
! 185: $relogmessage.= join('',<$fh>);
! 186: close($fh);
! 187: }
1.26 albertel 188: }
189: if ($env{'request.sso.login'}
1.27 albertel 190: && defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1.45.2.3! raeburn 191: if (open(my $fh,$r->dir_config('lonSSOUserLogoutMessageFile'))) {
! 192: $relogmessage.= join('',<$fh>);
! 193: close($fh);
! 194: }
1.20 albertel 195: }
1.17 albertel 196: }
1.18 albertel 197: my $end_page=&Apache::loncommon::end_page();
1.2 www 198: # --------------------------------------------------------------- Screen Output
1.17 albertel 199: $r->print(<<ENDDOCUMENT);
1.16 albertel 200: $start_page
1.45.2.1 raeburn 201: $windowinfo
1.7 www 202: $relogmessage
1.16 albertel 203: $end_page
1.1 www 204: ENDDOCUMENT
1.28 albertel 205: $r->register_cleanup(\&flush_course_logs);
206: return OK;
207: }
208:
209: sub flush_course_logs {
1.17 albertel 210: &Apache::lonnet::flushcourselogs();
1.28 albertel 211: return OK;
1.1 www 212: }
213:
214: 1;
215: __END__
216:
217:
218:
219:
220:
221:
222:
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