LSauthCAS : Added CAS authentification support.

This commit is contained in:
Benjamin Renard 2010-03-10 19:49:04 +01:00
parent 647791e598
commit 55c9cdcbd4
2 changed files with 202 additions and 0 deletions

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<?php
/*******************************************************************************
* Copyright (C) 2007 Easter-eggs
* http://ldapsaisie.labs.libre-entreprise.org
*
* Author: See AUTHORS file in top-level directory.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* 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.
******************************************************************************/
/*
*****************************************************
* Configuration of the CAS authentification support *
*****************************************************
*/
// phpCAS Path (http://www.ja-sig.org/wiki/display/CASC/phpCAS)
define('PHP_CAS_PATH','/usr/share/php/CAS.php');
// phpCAS Debug File
// define('PHP_CAS_DEBUG_FILE','/tmp/phpCAS.log');
// Disable logout
define('LSAUTH_CAS_DISABLE_LOGOUT',false);
// CAS Server version (used constant name know by phpCAS : CAS_VERSION_1_0 or CAS_VERSION_2_0)
define('LSAUTH_CAS_VERSION','CAS_VERSION_2_0');
// CAS Server hostname
define('LSAUTH_CAS_SERVER_HOSTNAME','cas.univ.fr');
// CAS Server port
define('LSAUTH_CAS_SERVER_PORT',443);
// CAS Server URI (empty by default)
// define('LSAUTH_CAS_SERVER_URI','cas/');
// No SSL validation for the CAS server
define('LSAUTH_CAS_SERVER_NO_SSL_VALIDATION',false);
// CAS server SSL Certificate path
//define('LSAUTH_CAS_SERVER_SSL_CERT','');
// CAS server SSL CA Certificate path
//define('LSAUTH_CAS_SERVER_SSL_CACERT','');
?>

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<?php
/*******************************************************************************
* Copyright (C) 2007 Easter-eggs
* http://ldapsaisie.labs.libre-entreprise.org
*
* Author: See AUTHORS file in top-level directory.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* 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.
******************************************************************************/
/**
* Gestion de l'authentification d'un utilisateur via une authentification
* CAS
*
* @author Benjamin Renard <brenard@easter-eggs.com>
*/
class LSauthCAS extends LSauth {
var $params = array (
'displayLoginForm' => false,
'displayLogoutBtn' => true
);
/**
* Constructor
*/
public function LSauthCAS() {
if (LSsession :: includeFile(PHP_CAS_PATH)) {
if (defined('PHP_CAS_DEBUG_FILE')) {
phpCAS::setDebug(PHP_CAS_DEBUG_FILE);
}
phpCAS::client(constant(LSAUTH_CAS_VERSION),LSAUTH_CAS_SERVER_HOSTNAME,LSAUTH_CAS_SERVER_PORT,LSAUTH_CAS_SERVER_URI,false);
if (LSAUTH_CAS_SERVER_NO_SSL_VALIDATION) {
phpCAS::setNoCasServerValidation();
}
if (defined(LSAUTH_CAS_SERVER_SSL_CERT)) {
phpCAS::setCasServerCert(LSAUTH_CAS_SERVER_SSL_CERT);
}
if (defined(LSAUTH_CAS_SERVER_SSL_CACERT)) {
phpCAS::setCasServerCACert(LSAUTH_CAS_SERVER_SSL_CACERT);
}
if (LSAUTH_CAS_DISABLE_LOGOUT) {
$this -> params['displayLogoutBtn'] = false;
}
return true;
}
else {
LSerror :: addErrorCode('LSauthCAS_01');
}
return false;
}
/**
* Check Post Data
*
* @retval array|False Array of post data if exist or False
**/
public function getPostData() {
if (class_exists('phpCAS')) {
// Launch Auth
phpCAS::forceAuthentication();
$this -> authData = array(
'username' => phpCAS::getUser(),
'password' => '',
'ldapserver' => $_REQUEST['LSsession_ldapserver'],
'topDn' => $_REQUEST['LSsession_topDn']
);
return true;
}
return;
}
/**
* Check user login
*
* @param[in] $username The username
* @param[in] $password The password
*
* @retval LSldapObject|false The LSldapObject of the user authificated or false
*/
public function authenticate() {
if (LSsession :: loadLSobject(LSsession :: $ldapServer['authObjectType'])) {
$authobject = new LSsession :: $ldapServer['authObjectType']();
$result = $authobject -> searchObject(
$this -> authData['username'],
LSsession :: getTopDn(),
LSsession :: $ldapServer['authObjectFilter']
);
$nbresult=count($result);
if ($nbresult==0) {
// identifiant incorrect
LSdebug('identifiant incorrect');
LSerror :: addErrorCode('LSauth_01');
}
else if ($nbresult>1) {
// duplication d'authentité
LSerror :: addErrorCode('LSauth_02');
}
else {
// Authentication succeeded
return $result[0];
}
}
else {
LSerror :: addErrorCode('LSauth_03');
}
return;
}
public function logout() {
if(class_exists('phpCAS')) {
if ($this -> params['displayLogoutBtn']) {
phpCAS :: forceAuthentication();
phpCAS :: logout();
}
}
}
}
/*
* Error Codes
*/
LSerror :: defineError('LSauthCAS_01',
_("LSauthCAS : Failed to load phpCAS.")
);
?>