Subversion-Projekte lars-tiefland.cakephp

<?php
/* SVN FILE: $Id: acl.php 7945 2008-12-19 02:16:01Z gwoo $ */
/**
 * ACL behavior class.
 *
 * Enables objects to easily tie into an ACL system
 *
 * PHP versions 4 and 5
 *
 * CakePHP :  Rapid Development Framework (http://www.cakephp.org)
 * Copyright 2006-2008, Cake Software Foundation, Inc.
 *
 * Licensed under The MIT License
 * Redistributions of files must retain the above copyright notice.
 *
 * @filesource
 * @copyright     Copyright 2006-2008, Cake Software Foundation, Inc.
 * @link          http://www.cakefoundation.org/projects/info/cakephp CakePHP Project
 * @package       cake
 * @subpackage    cake.cake.libs.model.behaviors
 * @since         CakePHP v 1.2.0.4487
 * @version       $Revision: 7945 $
 * @modifiedby    $LastChangedBy: gwoo $
 * @lastmodified  $Date: 2008-12-18 18:16:01 -0800 (Thu, 18 Dec 2008) $
 * @license       http://www.opensource.org/licenses/mit-license.php The MIT License
 */
/**
 * Short description for file
 *
 * Long description for file
 *
 * @package       cake
 * @subpackage    cake.cake.libs.model.behaviors
 */
class AclBehavior extends ModelBehavior {
/**
 * Maps ACL type options to ACL models
 *
 * @var array
 * @access protected
 */
        var $__typeMaps = array('requester' => 'Aro', 'controlled' => 'Aco');
/**
 * Sets up the configuation for the model, and loads ACL models if they haven't been already
 *
 * @param mixed $config
 * @return void
 * @access public
 */
        function setup(&$model, $config = array()) {
                if (is_string($config)) {
                        $config = array('type' => $config);
                }
                $this->settings[$model->name] = array_merge(array('type' => 'requester'), (array)$config);

                $type = $this->__typeMaps[$this->settings[$model->name]['type']];
                if (!class_exists('AclNode')) {
                        uses('model' . DS . 'db_acl');
                }
                $model->{$type} =& ClassRegistry::init($type);
                if (!method_exists($model, 'parentNode')) {
                        trigger_error("Callback parentNode() not defined in {$model->alias}", E_USER_WARNING);
                }
        }
/**
 * Retrieves the Aro/Aco node for this model
 *
 * @param mixed $ref
 * @return array
 * @access public
 */
        function node(&$model, $ref = null) {
                $type = $this->__typeMaps[strtolower($this->settings[$model->name]['type'])];
                if (empty($ref)) {
                        $ref = array('model' => $model->name, 'foreign_key' => $model->id);
                }
                return $model->{$type}->node($ref);
        }
/**
 * Creates a new ARO/ACO node bound to this record
 *
 * @param boolean $created True if this is a new record
 * @return void
 * @access public
 */
        function afterSave(&$model, $created) {
                if ($created) {
                        $type = $this->__typeMaps[strtolower($this->settings[$model->name]['type'])];
                        $parent = $model->parentNode();
                        if (!empty($parent)) {
                                $parent = $this->node($model, $parent);
                        } else {
                                $parent = null;
                        }

                        $model->{$type}->create();
                        $model->{$type}->save(array(
                                'parent_id'             => Set::extract($parent, "0.{$type}.id"),
                                'model'                 => $model->name,
                                'foreign_key'   => $model->id
                        ));
                }
        }
/**
 * Destroys the ARO/ACO node bound to the deleted record
 *
 * @return void
 * @access public
 */
        function afterDelete(&$model) {
                $type = $this->__typeMaps[strtolower($this->settings[$model->name]['type'])];
                $node = Set::extract($this->node($model), "0.{$type}.id");
                if (!empty($node)) {
                        $model->{$type}->delete($node);
                }
        }
}

?>