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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2008 Bharat Mediratta
*
* 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
/**
* Implement the Authentication interface.
*
* It was extended to allow configurable drivers
*/
class Auth_Core implements Auth_Driver {
// Session singleton
private static $instance;
// Configuration and driver
protected $_config;
protected $_driver;
/**
* Singleton instance of Session.
*/
public static function instance($config = array()) {
if (self::$instance == NULL) {
// Create a new instance
self::$instance = new Auth($config);
}
return self::$instance;
}
/**
* On first instance creation, sets up the driver.
*/
protected function __construct($config = array()) {
// Load config
$config += Kohana::config('auth');
// Set the driver class name
$driver = "Auth_{$config['driver']}_Driver";
if (!Kohana::auto_load($driver)) {
// @todo change to gallery specific exceptions
throw new Exception("@todo DRIVER_NOT_DEFINED {$config['driver']}");
}
// Load the driver
$driver = new $driver();
if (!($driver instanceof Auth_Driver)) {
// @todo change to gallery specific exceptions
throw new Exception(
"@todo Auth_Driver_INTERFACE_NOT_IMPLEMENTED: {$config['driver']}");
}
$this->_driver = $driver;
$this->_config = $config;
Kohana::log('debug', 'Auth Library initialized');
}
/**
* @see Auth_Driver::set_user_password
*/
public function set_user_password($user_id, $password) {
return $this->_driver->set_user_password($user_id, $password);
}
/**
* @see Auth_Driver::is_valid_password
*/
public function is_valid_password($user_id, $password) {
return $this->_driver->is_valid_password($user_id, $password);
}
}
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