tao-test/app/generis/core/kernel/users/class.AuthAdapter.php

109 lines
3.5 KiB
PHP

<?php
/**
* 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; under version 2
* of the License (non-upgradable).
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright (c) 2017 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
*
*/
use oat\generis\model\GenerisRdf;
use oat\generis\model\OntologyRdfs;
use oat\oatbox\user\auth\LoginAdapter;
/**
* Authentication adapter interface to be implemented by authentication methodes
*
* @access public
* @author Joel Bout, <joel@taotesting.com>
* @package generis
*/
class core_kernel_users_AuthAdapter implements common_user_auth_Adapter
{
/**
* Returns the hashing algorithm defined in generis configuration
* use core_kernel_users_Service::getPasswordHash() instead
*
* @return helpers_PasswordHash
* @deprecated
*/
public static function getPasswordHash()
{
return core_kernel_users_Service::getPasswordHash();
}
/**
* Username to verify
*
* @var string
*/
private $username;
/**
* Password to verify
*
* @var $password
*/
private $password;
/**
*
* @param unknown $login
* @param unknown $password
*/
public function __construct($login, $password)
{
$this->username = $login;
$this->password = $password;
}
/**
* (non-PHPdoc)
* @see common_user_auth_Adapter::authenticate()
*/
public function authenticate()
{
$userClass = new core_kernel_classes_Class(GenerisRdf::CLASS_GENERIS_USER);
$filters = [GenerisRdf::PROPERTY_USER_LOGIN => $this->username];
$options = ['like' => false, 'recursive' => true];
$users = $userClass->searchInstances($filters, $options);
if (count($users) > 1) {
// Multiple users matching
throw new common_exception_InconsistentData("Multiple Users found with the same login '" . $this->username . "'.");
}
if (empty($users)) {
// fake code execution to prevent timing attacks
$label = new core_kernel_classes_Property(OntologyRdfs::RDFS_LABEL);
$hash = $label->getUniquePropertyValue($label);
if (!core_kernel_users_Service::getPasswordHash()->verify($this->password, $hash)) {
throw new core_kernel_users_InvalidLoginException();
}
// should never happen, added for integrity
throw new core_kernel_users_InvalidLoginException();
}
$userResource = current($users);
$hash = $userResource->getUniquePropertyValue(new core_kernel_classes_Property(GenerisRdf::PROPERTY_USER_PASSWORD));
if (!core_kernel_users_Service::getPasswordHash()->verify($this->password, $hash)) {
throw new core_kernel_users_InvalidLoginException();
}
return new core_kernel_users_GenerisUser($userResource);
}
}