Subversion Repositories SmartDukaan

<?php
/**
 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 * @link          http://cakephp.org CakePHP(tm) Project
 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 */

App::uses('Hash', 'Utility');

/**
 * Abstract base authorization adapter for AuthComponent.
 *
 * @package       Cake.Controller.Component.Auth
 * @since 2.0
 * @see AuthComponent::$authenticate
 */
abstract class BaseAuthorize {

/**
 * Controller for the request.
 *
 * @var Controller
 */
        protected $_Controller = null;

/**
 * Component collection instance for getting more components.
 *
 * @var ComponentCollection
 */
        protected $_Collection;

/**
 * Settings for authorize objects.
 *
 * - `actionPath` - The path to ACO nodes that contains the nodes for controllers. Used as a prefix
 *    when calling $this->action();
 * - `actionMap` - Action -> crud mappings. Used by authorization objects that want to map actions to CRUD roles.
 * - `userModel` - Model name that ARO records can be found under. Defaults to 'User'.
 *
 * @var array
 */
        public $settings = array(
                'actionPath' => null,
                'actionMap' => array(
                        'index' => 'read',
                        'add' => 'create',
                        'edit' => 'update',
                        'view' => 'read',
                        'delete' => 'delete',
                        'remove' => 'delete'
                ),
                'userModel' => 'User'
        );

/**
 * Constructor
 *
 * @param ComponentCollection $collection The controller for this request.
 * @param string $settings An array of settings. This class does not use any settings.
 */
        public function __construct(ComponentCollection $collection, $settings = array()) {
                $this->_Collection = $collection;
                $controller = $collection->getController();
                $this->controller($controller);
                $this->settings = Hash::merge($this->settings, $settings);
        }

/**
 * Checks user authorization.
 *
 * @param array $user Active user data
 * @param CakeRequest $request Request instance.
 * @return bool
 */
        abstract public function authorize($user, CakeRequest $request);

/**
 * Accessor to the controller object.
 *
 * @param Controller $controller null to get, a controller to set.
 * @return mixed
 * @throws CakeException
 */
        public function controller(Controller $controller = null) {
                if ($controller) {
                        if (!$controller instanceof Controller) {
                                throw new CakeException(__d('cake_dev', '$controller needs to be an instance of Controller'));
                        }
                        $this->_Controller = $controller;
                        return true;
                }
                return $this->_Controller;
        }

/**
 * Get the action path for a given request. Primarily used by authorize objects
 * that need to get information about the plugin, controller, and action being invoked.
 *
 * @param CakeRequest $request The request a path is needed for.
 * @param string $path Path format.
 * @return string the action path for the given request.
 */
        public function action(CakeRequest $request, $path = '/:plugin/:controller/:action') {
                $plugin = empty($request['plugin']) ? null : Inflector::camelize($request['plugin']) . '/';
                $path = str_replace(
                        array(':controller', ':action', ':plugin/'),
                        array(Inflector::camelize($request['controller']), $request['action'], $plugin),
                        $this->settings['actionPath'] . $path
                );
                $path = str_replace('//', '/', $path);
                return trim($path, '/');
        }

/**
 * Maps crud actions to actual action names. Used to modify or get the current mapped actions.
 *
 * Create additional mappings for a standard CRUD operation:
 *
 * ```
 * $this->Auth->mapActions(array('create' => array('add', 'register'));
 * ```
 *
 * Or equivalently:
 *
 * ```
 * $this->Auth->mapActions(array('register' => 'create', 'add' => 'create'));
 * ```
 *
 * Create mappings for custom CRUD operations:
 *
 * ```
 * $this->Auth->mapActions(array('range' => 'search'));
 * ```
 *
 * You can use the custom CRUD operations to create additional generic permissions
 * that behave like CRUD operations. Doing this will require additional columns on the
 * permissions lookup. For example if one wanted an additional search CRUD operation
 * one would create and additional column '_search' in the aros_acos table. One could
 * create a custom admin CRUD operation for administration functions similarly if needed.
 *
 * @param array $map Either an array of mappings, or undefined to get current values.
 * @return mixed Either the current mappings or null when setting.
 * @see AuthComponent::mapActions()
 */
        public function mapActions($map = array()) {
                if (empty($map)) {
                        return $this->settings['actionMap'];
                }
                foreach ($map as $action => $type) {
                        if (is_array($type)) {
                                foreach ($type as $typedAction) {
                                        $this->settings['actionMap'][$typedAction] = $action;
                                }
                        } else {
                                $this->settings['actionMap'][$action] = $type;
                        }
                }
        }

}