Annotation of loncom/auth/lonlogout.pm, revision 1.45.2.8.2.1
1.1 www 1: # The LearningOnline Network
2: # Logout Handler
1.3 www 3: #
1.45.2.8.2.1! raeburn 4: # $Id: lonlogout.pm,v 1.45.2.8 2021/01/04 03:49:52 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;
1.45.2.4 raeburn 48: use Apache::loncommon;
1.2 www 49: use Apache::lonmenu;
1.1 www 50: use CGI::Cookie();
1.11 www 51: use Apache::lonlocal;
1.45.2.4 raeburn 52: use LONCAPA qw(:DEFAULT :match);
1.1 www 53:
54: sub handler {
55: my $r = shift;
56:
1.17 albertel 57: #Check for cookie
1.1 www 58: my $requrl=$r->uri;
1.29 albertel 59: my $handle = &Apache::lonnet::check_for_valid_session($r);
1.17 albertel 60: #check if cookie still valid
1.29 albertel 61: if ($handle eq '') {
1.17 albertel 62: $r->log_reason("Cookie $handle not valid", $r->filename);
63: return FORBIDDEN;
64: }
65:
66: #we've got a valid user
1.31 www 67: #any locks in place?
68: my $locknum=&Apache::lonnet::get_locks();
69: if ($locknum) { return 409; }
70: #nope, go ahead
1.17 albertel 71: my @profile;
1.29 albertel 72: my $lonidsdir=$r->dir_config('lonIDsDir');
1.21 albertel 73: &Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle);
1.45.2.7 raeburn 74: if (unlink("$lonidsdir/$handle.id")) {
75: if (($env{'user.linkedenv'} =~ /^[a-f0-9]+_linked$/) &&
76: (-l "$lonidsdir/$env{'user.linkedenv'}.id") &&
77: (readlink("$lonidsdir/$env{'user.linkedenv'}.id") eq "$lonidsdir/$handle.id")) {
78: unlink("$lonidsdir/$env{'user.linkedenv'}.id");
79: }
80: }
1.45.2.2 raeburn 81: if (!$Apache::lonlocal::lh) {
82: &Apache::lonlocal::get_language_handle($r);
83: }
1.17 albertel 84: my %temp=('logout' => time);
1.45.2.8 raeburn 85: my $ip = &Apache::lonnet::get_requestor_ip();
1.17 albertel 86: &Apache::lonnet::put('email_status',\%temp);
1.21 albertel 87: &Apache::lonnet::log($env{'user.domain'},
88: $env{'user.name'},
89: $env{'user.home'},
1.45.2.8 raeburn 90: "Logout $ip");
1.25 albertel 91:
1.17 albertel 92: &Apache::loncommon::content_type($r,'text/html');
1.25 albertel 93:
1.45.2.7 raeburn 94: #expire the cookies
95: my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
96: foreach my $name (keys(%cookies)) {
97: next unless ($name =~ /^lon(|S|Link|Pub)ID$/);
98: my $c = new CGI::Cookie(-name => $name,
99: -value => '',
100: -expires => '-10y',);
101: $r->headers_out->add('Set-cookie' => $c);
102: }
1.17 albertel 103: $r->send_http_header;
104: return OK if $r->header_only;
1.2 www 105: # -------------------------------------------------------- Menu script and info
106:
1.45.2.1 raeburn 107: my $windowinfo=&Apache::lonmenu::close();
1.6 www 108: # ---------------------------------------------------------------- Get handover
109: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['handover']);
110: my $switch='';
1.18 albertel 111: my $start_page='';
1.7 www 112: my $relogmessage='';
1.14 albertel 113: if ($env{'form.handover'}) {
1.17 albertel 114: $switch='<meta HTTP-EQUIV="Refresh" CONTENT="0.5; url='.
1.37 bisitz 115: $env{'form.handover'}.'" />';
1.17 albertel 116: $start_page=&Apache::loncommon::start_page('Switching Server ...',
117: $switch);
118: } else {
1.45.2.3 raeburn 119: my $domain = $env{'user.domain'};
1.45.2.4 raeburn 120: my ($headextra,$ssofile);
121: if ($env{'request.sso.login'}) {
122: my $londocroot = $r->dir_config('lonDocRoot');
123: if ($domain =~ /^$match_domain$/) {
124: if (defined($r->dir_config("lonSSOUserLogoutHeadFile_$domain"))) {
125: $ssofile = '/'.&Apache::loncommon::clean_path($r->dir_config("lonSSOUserLogoutHeadFile_$domain"));
126: if ($ssofile eq $r->dir_config("lonSSOUserLogoutHeadFile_$domain")) {
127: if ($ssofile =~ /^\Q$londocroot\E/) {
128: if (open(my $fh,'<',$ssofile)) {
129: $headextra = join('',<$fh>);
130: close($fh);
131: }
132: }
133: }
134: }
135: }
136: if (defined($r->dir_config('lonSSOUserLogoutHeadFile'))) {
137: $ssofile = '/'.&Apache::loncommon::clean_path($r->dir_config('lonSSOUserLogoutHeadFile'));
138: if ($ssofile eq $r->dir_config('lonSSOUserLogoutHeadFile')) {
139: if ($ssofile =~ /^\Q$londocroot\E/) {
140: if (open(my $fh,'<',$ssofile)) {
141: $headextra.= join('',<$fh>);
142: close($fh);
143: }
144: }
145: }
1.45.2.3 raeburn 146: }
147: }
148: $start_page=&Apache::loncommon::start_page('Logged Out',$headextra,
1.45.2.1 raeburn 149: {'no_inline_link' => 1,
150: 'no_nav_bar' => 1,});
1.26 albertel 151:
1.32 bisitz 152: $relogmessage.='<h1>'.&mt('Goodbye').'</h1>'
153: .'<p>'.&mt('Thank you for using LON-CAPA.').'</p>';
1.26 albertel 154:
155: if (!$env{'request.sso.norelogin'}) {
1.42 raeburn 156: my ($relogin_server,$login_url);
1.26 albertel 157: if ($env{'request.sso.reloginserver'}) {
158: $relogin_server = $env{'request.sso.reloginserver'};
1.42 raeburn 159: } else {
160: my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
161: if ($domdefaults{'portal_def'}) {
162: $login_url = $domdefaults{'portal_def'};
163: } else {
164: my $checkloginvia = 1;
1.44 raeburn 165: my ($lonhost,$server,$path,$isredirect) =
1.42 raeburn 166: &Apache::lonnet::choose_server($domain,$checkloginvia);
167: if ($server && $lonhost) {
168: $login_url = $Apache::lonnet::protocol{$lonhost}.
169: '://'.$server.$path;
1.44 raeburn 170: if (($path eq '') && (!$isredirect)) {
171: my $serverhomeID =
1.45 raeburn 172: &Apache::lonnet::get_server_homeID($server);
1.44 raeburn 173: my $serverhomedom =
174: &Apache::lonnet::host_domain($serverhomeID);
175: if ($serverhomedom ne $domain) {
176: $path = '/adm/login';
177: $login_url .= $path;
178: }
179: }
1.43 raeburn 180: if ($path eq '/adm/login' && $domain ne '') {
181: $login_url .= '?domain='.$domain;
182: }
1.42 raeburn 183: }
184: }
185: }
186: if ($login_url eq '') {
187: $login_url = $relogin_server.'/adm/'.
188: ($env{'request.sso.login'} ? 'roles': 'login?domain='.$domain);
189: }
1.45.2.8.2.1! raeburn 190: $relogmessage.='<p>'.&mt('You have been successfully logged out.');
! 191: unless (($env{'request.deeplink.login'}) && ($env{'request.deeplink.target'} eq '_self')) {
! 192: $relogmessage.=' '.&mt('You can [_1]close this window[_2] now.',
! 193: '','') # ,'<a href="javascript:self.close();">','</a>');
! 194: }
! 195: $relogmessage.='</p>';
! 196:
1.33 jms 197: =pod
198:
199: =head1 NOTES:
200:
1.34 bisitz 201: '<a href="javascript:self.close();">','</a>'
1.33 jms 202:
1.45.2.3 raeburn 203: Due to security reasons in new web browsers a window could only be closed with javascript, if this window has also been opened with javascript. This is not done here which means that in most cases the close link will not work. Unless we find another solution, this link should not be offered. (Stefan Bisitz, 2008-08-01)
1.33 jms 204:
205: =cut
1.45.2.8.2.1! raeburn 206: unless ($env{'request.deeplink.login'}) {
! 207: $relogmessage.='<p>'.&mt('[_1]Log in again[_2]'
! 208: ,'<a href="'.$login_url.'">','</a>')
! 209: .'</p>';
! 210: }
1.26 albertel 211: }
1.20 albertel 212: if ($env{'request.sso.login'}
1.26 albertel 213: && defined($r->dir_config("lonSSOUserLogoutMessageFile_$domain"))) {
1.45.2.5 raeburn 214: if (open(my $fh,'<',$r->dir_config("lonSSOUserLogoutMessageFile_$domain"))) {
1.45.2.3 raeburn 215: $relogmessage.= join('',<$fh>);
216: close($fh);
217: }
1.26 albertel 218: }
219: if ($env{'request.sso.login'}
1.27 albertel 220: && defined($r->dir_config('lonSSOUserLogoutMessageFile'))) {
1.45.2.5 raeburn 221: if (open(my $fh,'<',$r->dir_config('lonSSOUserLogoutMessageFile'))) {
1.45.2.3 raeburn 222: $relogmessage.= join('',<$fh>);
223: close($fh);
224: }
1.20 albertel 225: }
1.17 albertel 226: }
1.18 albertel 227: my $end_page=&Apache::loncommon::end_page();
1.2 www 228: # --------------------------------------------------------------- Screen Output
1.17 albertel 229: $r->print(<<ENDDOCUMENT);
1.16 albertel 230: $start_page
1.45.2.1 raeburn 231: $windowinfo
1.7 www 232: $relogmessage
1.16 albertel 233: $end_page
1.1 www 234: ENDDOCUMENT
1.45.2.6 raeburn 235: if ($env{'request.balancercookie'}) {
236: my ($balancer,$cookie) = split(/:/,$env{'request.balancercookie'});
237: if ((&Apache::lonnet::hostname($balancer)) && ($cookie =~ /^[a-f0-9]{32}$/)) {
238: $cookie = $env{'user.domain'}.'_'.$env{'user.name'}.'_'.$cookie;
239: &Apache::lonnet::delbalcookie($cookie,$balancer);
240: }
241: }
1.28 albertel 242: $r->register_cleanup(\&flush_course_logs);
243: return OK;
244: }
245:
246: sub flush_course_logs {
1.17 albertel 247: &Apache::lonnet::flushcourselogs();
1.28 albertel 248: return OK;
1.1 www 249: }
250:
251: 1;
252: __END__
253:
254:
255:
256:
257:
258:
259:
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