<?php
/**
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @category    Mage
 * @package     Mage_Customer
 * @copyright   Copyright (c) 2012 Magento Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */

/**
 * Customer password attribute backend
 *
 * @category   Mage
 * @package    Mage_Customer
 * @author      Magento Core Team <core@magentocommerce.com>
 */
class Mage_Customer_Model_Customer_Attribute_Backend_Password extends Mage_Eav_Model_Entity_Attribute_Backend_Abstract
{
    /**
     * Special processing before attribute save:
     * a) check some rules for password
     * b) transform temporary attribute 'password' into real attribute 'password_hash'
     */
    public function beforeSave($object)
    {
        $password = trim($object->getPassword());
        $len = Mage::helper('core/string')->strlen($password);
        if ($len) {
             if ($len < 6) {
                Mage::throwException(Mage::helper('customer')->__('The password must have at least 6 characters. Leading or trailing spaces will be ignored.'));
            }
            $object->setPasswordHash($object->hashPassword($password));
        }
    }

    public function validate($object)
    {
        if ($password = $object->getPassword()) {
            if ($password == $object->getPasswordConfirm()) {
                return true;
            }
        }

        return parent::validate($object);
    }

}