1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
<?php
/*
* Service Provider Example -- Logout
*
* Copyright (C) 2004 Entr'ouvert
* http://lasso.entrouvert.org
*
* Authors: Christophe Nowicki <cnowicki@easter-eggs.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
$config = unserialize(file_get_contents('config.inc'));
require_once 'DB.php';
if (!empty($_GET['SID']))
session_start($_GET['SID']);
else
session_start();
if (!isset($_SESSION["nameidentifier"])) {
print "User is not logged in";
exit(0);
}
lasso_init();
$db = &DB::connect($config['dsn']);
if (DB::isError($db))
die($db->getMessage());
$server_dump = file_get_contents($config['server_dump_filename']);
$server = lasso_server_new_from_dump($server_dump);
$logout = lasso_logout_new($server, lassoProviderTypeSp);
$profile = lasso_cast_to_profile($logout);
$query = "SELECT identity_dump FROM users WHERE user_id='" . $_SESSION['user_id'] . "'";
$res =& $db->query($query);
if (DB::isError($res))
print $res->getMessage(). "\n";
$row = $res->fetchRow();
$identity_dump = $row[0];
$session_dump = $_SESSION['session_dump'];
lasso_profile_set_identity_from_dump($profile, $identity_dump);
lasso_profile_set_session_from_dump($profile, $session_dump);
lasso_logout_init_request($logout);
lasso_logout_build_request_msg($logout);
$msg_url = lasso_profile_get_msg_url($profile);
$msg_body = lasso_profile_get_msg_body($profile);
$url = parse_url($msg_url);
$soap = sprintf(
"POST %s HTTP/1.1\r\nHost: %s:%d\r\nAccept-Encoding: identity\r\nContent-Length: %d\r\nContent-Type: text/xml\r\nAccept: text/xml,application/xml,application/xhtml+xml,text/html\r\nConnection: close\r\n\r\n%s\r\n",
$url['path'], $url['host'], $url['port'], strlen($msg_body), $msg_body);
# PHP 4.3.0 with OpenSSL support required
$fp = fsockopen("ssl://" . $url['host'], $url['port'], $errno, $errstr, 30) or die($errstr ($errno));
fwrite($fp, $soap);
$ret = fgets($fp);
if (!preg_match("/^HTTP\/1\\.. 200/i", $ret)) {
die("User is already logged out");
}
while (!feof($fp)) {
$reponse .= @fread($fp, 8192);
}
fclose($fp);
# Destroy PHP Session
$_SESSION = array();
session_destroy();
$db->disconnect();
lasso_shutdown();
$url = "index.php";
header("Request-URI: $url");
header("Content-Location: $url");
header("Location: $url");
?>
|
