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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
<?php
/*
* Service Provider Example -- Cancel Federation with an Identity Provider
*
* 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
*/
require_once 'Log.php';
require_once 'DB.php';
require_once 'session.php';
require_once 'misc.php';
$config = unserialize(file_get_contents('config.inc'));
$methodes = array('redirect' => lassoHttpMethodRedirect, 'soap' => lassoHttpMethodSoap);
// connect to the data base
$db = &DB::connect($config['dsn']);
if (DB::isError($db))
die($db->getMessage());
// create logger
$conf['db'] = $db;
$logger = &Log::factory($config['log_handler'], 'log', $_SERVER['PHP_SELF'], $conf);
// session handler
session_set_save_handler("open_session", "close_session",
"read_session", "write_session", "destroy_session", "gc_session");
if (empty($_GET['profile']))
{
$logger->err("Cancel Federation called without profile.");
die("Cancel Federation called without profile.");
}
if (empty($_GET['with']))
{
$logger->err("Cancel Federation called without providerID.");
die("Cancel Federation called without providerID.");
}
session_start();
lasso_init();
if (empty($_SESSION['user_id']))
{
$logger->err("UserID is empty, user is not logged in.");
die("UserID is empty, user is not logged in.");
}
if (empty($_SESSION['identity_dump']))
{
$logger->err("Identity Dump is empty, user is not federated.");
die("Identity Dump is empty, user is not federated.");
}
if (!in_array($_GET['profile'], array_keys($methodes)))
{
die("Unknown defederation profile : " . $_GET['profile']);
$logger->err("Unknown defederation profile : " . $_GET['profile']);
}
$user_id = $_SESSION['user_id'];
$server_dump = file_get_contents($config['server_dump_filename']);
$server = LassoServer::newFromDump($server_dump);
$defederation = new LassoDefederation($server, lassoProviderTypeSp);
$defederation->setIdentityFromDump($_SESSION['identity_dump']);
if (!empty($_SESSION['session_dump']))
$defederation->setSessionFromDump($_SESSION['session_dump']);
$logger->debug("Create Cancel Federation Notification for User '" . $_SESSION["user_id"] .
"' with Identity Provider '" . $_GET['with']. "'");
$defederation->initNotification($_GET['with'], $methodes[$_GET['profile']]);
$defederation->buildNotificationMsg();
$nameIdentifier = $defederation->nameIdentifier;
if (empty($nameIdentifier))
{
$loggery>err("Name Identifier is empty.");
die("Name Identifier is empty.");
}
$identity = $defederation->identity;
if (isset($defederation->identity))
{
// Update identity dump
$identity_dump = $identity->dump();
$_SESSION['identity_dump'] = $identity_dump;
$query = "UPDATE users SET identity_dump=".$db->quoteSmart($identity_dump);
}
else // Delete identity and session dumps
$query = "UPDATE users SET identity_dump=''";
$query .= " WHERE user_id='$user_id'";
$res =& $db->query($query);
if (DB::isError($res))
{
$logger->crit("DB Error :" . $res->getMessage());
$logger->debug("DB Error :" . $res->getDebugInfo());
die("Internal Server Error");
}
$logger->debug("Update user '$user_id' identity dump in the database");
// Update session dump, if available
if (!empty($_SESSION['sesion_dump']) && $defederation->isSessionDirty)
{
$session = $defederation->session;
$session_dump = $session->dump();
$_SESSION['session_dump'] = $session_dump;
$query = "UPDATE users SET session_dump=".$db->quoteSmart($session_dump);
$query .= " WHERE user_id='$user_id'";
$res =& $db->query($query);
if (DB::isError($res))
{
$logger->crit("DB Error :" . $res->getMessage());
$logger->debug("DB Error :" . $res->getDebugInfo());
die("Internal Server Error");
}
$logger->debug("Update user '$user_id' session dump in the database");
}
// Delete Name Identifier
$query = "DELETE FROM nameidentifiers WHERE user_id='$user_id' ";
$query .= "AND name_identifier='$nameIdentifier'";
$res =& $db->query($query);
if (DB::isError($res))
{
$logger->crit("DB Error :" . $res->getMessage());
$logger->debug("DB Error :" . $res->getDebugInfo());
die("Internal Server Error");
}
$logger->info("Delete Name Identifier '$nameIdentifier' for User '$user_id'");
switch($_GET['profile'])
{
case 'redirect':
$url = $defederation->msgUrl;
$logger->info("Redirect user to $url");
header("Request-URI: $url");
header("Content-Location: $url");
header("Location: $url\r\n\r\n");
break;
case 'soap':
$url = parse_url($defederation->msgUrl);
$soap = sprintf(
"POST %s HTTP/1.1\r\nHost: %s:%d\r\nContent-Length: %d\r\nContent-Type: text/xml\r\n\r\n%s\r\n",
$url['path'], $url['host'], $url['port'], strlen($defederation->msgBody), $defederation->msgBody);
$logger->info('Send SOAP Request to '. $url['host'] . ":" .$url['port']. $url['path']);
$logger->debug('SOAP Request : ' . $soap);
$fp = fsockopen("ssl://" . $url['host'], $url['port'], $errno, $errstr, 30) or die($errstr ($errno));
socket_set_timeout($fp, 10);
fwrite($fp, $soap);
read_http_response($fp, $header, $reponse);
fclose($fp);
$logger->log('SOAP Response Header : ' . $header, PEAR_LOG_DEBUG);
$logger->log('SOAP Response Body : ' . $response, PEAR_LOG_DEBUG);
// TODO : check reponse status
break;
}
?>
<?php
lasso_shutdown();
?>
|
