1: <?php
  2: /* SVN FILE: $Id$ */
  3: /**
  4:  * ACL behavior class.
  5:  *
  6:  * Enables objects to easily tie into an ACL system
  7:  *
  8:  * PHP versions 4 and 5
  9:  *
 10:  * CakePHP :  Rapid Development Framework (http://cakephp.org)
 11:  * Copyright 2005-2012, Cake Software Foundation, Inc.
 12:  *
 13:  * Licensed under The MIT License
 14:  * Redistributions of files must retain the above copyright notice.
 15:  *
 16:  * @copyright     Copyright 2005-2012, Cake Software Foundation, Inc.
 17:  * @link          http://cakefoundation.org/projects/info/cakephp CakePHP Project
 18:  * @package       cake
 19:  * @subpackage    cake.cake.libs.model.behaviors
 20:  * @since         CakePHP v 1.2.0.4487
 21:  * @version       $Revision$
 22:  * @modifiedby    $LastChangedBy$
 23:  * @lastmodified  $Date$
 24:  * @license       http://www.opensource.org/licenses/mit-license.php The MIT License
 25:  */
 26: /**
 27:  * Short description for file
 28:  *
 29:  * Long description for file
 30:  *
 31:  * @package       cake
 32:  * @subpackage    cake.cake.libs.model.behaviors
 33:  */
 34: class AclBehavior extends ModelBehavior {
 35: /**
 36:  * Maps ACL type options to ACL models
 37:  *
 38:  * @var array
 39:  * @access protected
 40:  */
 41:     var $__typeMaps = array('requester' => 'Aro', 'controlled' => 'Aco');
 42: /**
 43:  * Sets up the configuation for the model, and loads ACL models if they haven't been already
 44:  *
 45:  * @param mixed $config
 46:  * @return void
 47:  * @access public
 48:  */
 49:     function setup(&$model, $config = array()) {
 50:         if (is_string($config)) {
 51:             $config = array('type' => $config);
 52:         }
 53:         $this->settings[$model->name] = array_merge(array('type' => 'requester'), (array)$config);
 54: 
 55:         $type = $this->__typeMaps[$this->settings[$model->name]['type']];
 56:         if (!class_exists('AclNode')) {
 57:             uses('model' . DS . 'db_acl');
 58:         }
 59:         $model->{$type} =& ClassRegistry::init($type);
 60:         if (!method_exists($model, 'parentNode')) {
 61:             trigger_error("Callback parentNode() not defined in {$model->alias}", E_USER_WARNING);
 62:         }
 63:     }
 64: /**
 65:  * Retrieves the Aro/Aco node for this model
 66:  *
 67:  * @param mixed $ref
 68:  * @return array
 69:  * @access public
 70:  */
 71:     function node(&$model, $ref = null) {
 72:         $type = $this->__typeMaps[strtolower($this->settings[$model->name]['type'])];
 73:         if (empty($ref)) {
 74:             $ref = array('model' => $model->name, 'foreign_key' => $model->id);
 75:         }
 76:         return $model->{$type}->node($ref);
 77:     }
 78: /**
 79:  * Creates a new ARO/ACO node bound to this record
 80:  *
 81:  * @param boolean $created True if this is a new record
 82:  * @return void
 83:  * @access public
 84:  */
 85:     function afterSave(&$model, $created) {
 86:         if ($created) {
 87:             $type = $this->__typeMaps[strtolower($this->settings[$model->name]['type'])];
 88:             $parent = $model->parentNode();
 89:             if (!empty($parent)) {
 90:                 $parent = $this->node($model, $parent);
 91:             } else {
 92:                 $parent = null;
 93:             }
 94: 
 95:             $model->{$type}->create();
 96:             $model->{$type}->save(array(
 97:                 'parent_id'     => Set::extract($parent, "0.{$type}.id"),
 98:                 'model'         => $model->name,
 99:                 'foreign_key'   => $model->id
100:             ));
101:         }
102:     }
103: /**
104:  * Destroys the ARO/ACO node bound to the deleted record
105:  *
106:  * @return void
107:  * @access public
108:  */
109:     function afterDelete(&$model) {
110:         $type = $this->__typeMaps[strtolower($this->settings[$model->name]['type'])];
111:         $node = Set::extract($this->node($model), "0.{$type}.id");
112:         if (!empty($node)) {
113:             $model->{$type}->delete($node);
114:         }
115:     }
116: }
117: 
118: ?>