<?php
/**
 * patForms Rule UserPassword
 *
 * $Id$
 *
 * @package Wombat
 * @subpackage patForms
 * @author gERD Schaufelberger <gerd@php-tools.net>
 */

WBClass::load('WBPAT_Forms_Rule');

/**
 * patForms Rule UserPassword
 *
 * Check value against current user's password
 *
 * @version 0.2.0
 * @package Wombat
 * @subpackage patForms
 */
class patForms_Rule_UserPassword extends WBPAT_Forms_Rule
{
   /**
    * Initialize validation codes using gettext
    *
    * @access   protected
    * @return   bool    $success    Always returns true.
    * @see      $attributeDefaults
    */
    function loadValidatiorErrorCodes()
    {
        $this->validatorErrorCodes  = array(
            1   =>   patI18n::dgettext('wombat', 'User not logged in'),
            2   =>   patI18n::dgettext('wombat', 'Current password does not match')
        );
        return true;
    }


   /**
	* method called by patForms or any patForms_Element to validate the
	* element or the form.
	*
	* @param	patForms_Element	form object
	*/
	public function applyRule( &$element, $type = PATFORMS_RULE_AFTER_VALIDATION )
	{
        $pwd    =   $element->getValue();
        if( empty( $pwd ) ) {
            $this->addValidationError( 2 );
            return false;   
        }
    
        WBClass::load( 'WBUser_Auth' );
        $user   =   WBUser_Auth::getCurrent();

        if (!$user->isAuthenticated()) {
            $this->addValidationError(1);
            return false;   
        }

        $data       =   $user->getData();
        $storage    =   $user->getStorageModule();
        $crypted    =   $storage->getPasswordHash($pwd);
        if ($crypted != $data['password']) {
            $this->addValidationError(2);
            return false;
        }

        return true;
	}
}