Annotation of loncom/auth/lonlogout.pm, revision 1.49
1.1 www 1: # The LearningOnline Network
2: # Logout Handler
1.3 www 3: #
1.49 ! raeburn 4: # $Id: lonlogout.pm,v 1.48 2015/03/12 00:47:49 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");
1.46 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 $r->header_only;
1.2 www 93: # -------------------------------------------------------- Menu script and info
94:
1.6 www 95: # ---------------------------------------------------------------- Get handover
96: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['handover']);
97: my $switch='';
1.18 albertel 98: my $start_page='';
1.7 www 99: my $relogmessage='';
1.14 albertel 100: if ($env{'form.handover'}) {
1.17 albertel 101: $switch='<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.
1.37 bisitz 102: $env{'form.handover'}.'" />';
1.17 albertel 103: $start_page=&Apache::loncommon::start_page('Switching Server ...',
104: $switch);
105: } else {
1.47 raeburn 106: my $domain = $env{'user.domain'};
107: my $headextra;
108: if ($env{'request.sso.login'}
109: && defined($r->dir_config("lonSSOUserLogoutHeadFile_$domain"))) {
110: if (open(my $fh,$r->dir_config("lonSSOUserLogoutHeadFile_$domain"))) {
111: $headextra = join('',<$fh>);
112: close($fh);
113: }
114: }
115: if ($env{'request.sso.login'}
116: && defined($r->dir_config('lonSSOUserLogoutHeadFile'))) {
117: if (open(my $fh,$r->dir_config('lonSSOUserLogoutHeadFile'))) {
118: $headextra.= join('',<$fh>);
1.48 raeburn 119: close($fh);
1.47 raeburn 120: }
121: }
122: $start_page=&Apache::loncommon::start_page('Logged Out',$headextra,
1.41 droeschl 123: {'no_nav_bar' => 1,});
1.26 albertel 124:
1.32 bisitz 125: $relogmessage.='<h1>'.&mt('Goodbye').'</h1>'
126: .'<p>'.&mt('Thank you for using LON-CAPA.').'</p>';
1.26 albertel 127:
128: if (!$env{'request.sso.norelogin'}) {
1.42 raeburn 129: my ($relogin_server,$login_url);
1.26 albertel 130: if ($env{'request.sso.reloginserver'}) {
131: $relogin_server = $env{'request.sso.reloginserver'};
1.42 raeburn 132: } else {
133: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
134: if ($domdefaults{'portal_def'}) {
135: $login_url = $domdefaults{'portal_def'};
136: } else {
137: my $checkloginvia = 1;
1.44 raeburn 138: my ($lonhost,$server,$path,$isredirect) =
1.42 raeburn 139: &Apache::lonnet::choose_server($domain,$checkloginvia);
140: if ($server && $lonhost) {
141: $login_url = $Apache::lonnet::protocol{$lonhost}.
142: '://'.$server.$path;
1.44 raeburn 143: if (($path eq '') && (!$isredirect)) {
144: my $serverhomeID =
1.45 raeburn 145: &Apache::lonnet::get_server_homeID($server);
1.44 raeburn 146: my $serverhomedom =
147: &Apache::lonnet::host_domain($serverhomeID);
148: if ($serverhomedom ne $domain) {
149: $path = '/adm/login';
150: $login_url .= $path;
151: }
152: }
1.43 raeburn 153: if ($path eq '/adm/login' && $domain ne '') {
154: $login_url .= '?domain='.$domain;
155: }
1.42 raeburn 156: }
157: }
158: }
159: if ($login_url eq '') {
160: $login_url = $relogin_server.'/adm/'.
161: ($env{'request.sso.login'} ? 'roles': 'login?domain='.$domain);
162: }
1.32 bisitz 163: $relogmessage.='<p>'.&mt('You have been successfully logged out.').' '
164: .&mt('You can [_1]close this window[_2] now.'
1.34 bisitz 165: ,'','') # ,'<a href="javascript:self.close();">','</a>')
166: .'</p>';
1.33 jms 167: =pod
168:
169: =head1 NOTES:
170:
1.34 bisitz 171: '<a href="javascript:self.close();">','</a>'
1.33 jms 172:
1.49 ! raeburn 173: 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 174:
175: =cut
1.34 bisitz 176: $relogmessage.='<p>'.&mt('[_1]Log in again[_2]'
1.42 raeburn 177: ,'<a href="'.$login_url.'">','</a>')
1.32 bisitz 178: .'</p>';
1.26 albertel 179: }
1.20 albertel 180: if ($env{'request.sso.login'}
1.26 albertel 181: && defined($r->dir_config("lonSSOUserLogoutMessageFile_$domain"))) {
1.47 raeburn 182: if (open(my $fh,$r->dir_config("lonSSOUserLogoutMessageFile_$domain"))) {
183: $relogmessage.= join('',<$fh>);
184: close($fh);
185: }
1.26 albertel 186: }
187: if ($env{'request.sso.login'}
1.27 albertel 188: && defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1.47 raeburn 189: if (open(my $fh,$r->dir_config('lonSSOUserLogoutMessageFile'))) {
190: $relogmessage.= join('',<$fh>);
191: close($fh);
192: }
1.20 albertel 193: }
1.17 albertel 194: }
1.18 albertel 195: my $end_page=&Apache::loncommon::end_page();
1.2 www 196: # --------------------------------------------------------------- Screen Output
1.17 albertel 197: $r->print(<<ENDDOCUMENT);
1.16 albertel 198: $start_page
1.7 www 199: $relogmessage
1.16 albertel 200: $end_page
1.1 www 201: ENDDOCUMENT
1.28 albertel 202: $r->register_cleanup(\&flush_course_logs);
203: return OK;
204: }
205:
206: sub flush_course_logs {
1.17 albertel 207: &Apache::lonnet::flushcourselogs();
1.28 albertel 208: return OK;
1.1 www 209: }
210:
211: 1;
212: __END__
213:
214:
215:
216:
217:
218:
219:
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