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16591 anikendra 1
<?php
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/**
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 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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 *
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 * Licensed under The MIT License
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 * For full copyright and license information, please see the LICENSE.txt
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 * Redistributions of files must retain the above copyright notice.
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 *
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 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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 * @link          http://cakephp.org CakePHP(tm) Project
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 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
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 */
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App::uses('Hash', 'Utility');
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/**
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 * Abstract base authorization adapter for AuthComponent.
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 *
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 * @package       Cake.Controller.Component.Auth
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 * @since 2.0
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 * @see AuthComponent::$authenticate
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 */
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abstract class BaseAuthorize {
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/**
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 * Controller for the request.
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 *
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 * @var Controller
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 */
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	protected $_Controller = null;
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/**
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 * Component collection instance for getting more components.
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 *
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 * @var ComponentCollection
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 */
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	protected $_Collection;
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/**
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 * Settings for authorize objects.
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 *
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 * - `actionPath` - The path to ACO nodes that contains the nodes for controllers. Used as a prefix
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 *    when calling $this->action();
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 * - `actionMap` - Action -> crud mappings. Used by authorization objects that want to map actions to CRUD roles.
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 * - `userModel` - Model name that ARO records can be found under. Defaults to 'User'.
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 *
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 * @var array
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 */
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	public $settings = array(
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		'actionPath' => null,
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		'actionMap' => array(
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			'index' => 'read',
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			'add' => 'create',
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			'edit' => 'update',
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			'view' => 'read',
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			'delete' => 'delete',
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			'remove' => 'delete'
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		),
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		'userModel' => 'User'
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	);
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/**
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 * Constructor
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 *
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 * @param ComponentCollection $collection The controller for this request.
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 * @param string $settings An array of settings. This class does not use any settings.
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 */
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	public function __construct(ComponentCollection $collection, $settings = array()) {
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		$this->_Collection = $collection;
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		$controller = $collection->getController();
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		$this->controller($controller);
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		$this->settings = Hash::merge($this->settings, $settings);
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	}
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/**
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 * Checks user authorization.
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 *
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 * @param array $user Active user data
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 * @param CakeRequest $request Request instance.
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 * @return bool
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 */
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	abstract public function authorize($user, CakeRequest $request);
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/**
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 * Accessor to the controller object.
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 *
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 * @param Controller $controller null to get, a controller to set.
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 * @return mixed
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 * @throws CakeException
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 */
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	public function controller(Controller $controller = null) {
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		if ($controller) {
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			if (!$controller instanceof Controller) {
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				throw new CakeException(__d('cake_dev', '$controller needs to be an instance of Controller'));
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			}
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			$this->_Controller = $controller;
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			return true;
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		}
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		return $this->_Controller;
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	}
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/**
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 * Get the action path for a given request. Primarily used by authorize objects
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 * that need to get information about the plugin, controller, and action being invoked.
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 *
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 * @param CakeRequest $request The request a path is needed for.
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 * @param string $path Path format.
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 * @return string the action path for the given request.
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 */
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	public function action(CakeRequest $request, $path = '/:plugin/:controller/:action') {
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		$plugin = empty($request['plugin']) ? null : Inflector::camelize($request['plugin']) . '/';
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		$path = str_replace(
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			array(':controller', ':action', ':plugin/'),
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			array(Inflector::camelize($request['controller']), $request['action'], $plugin),
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			$this->settings['actionPath'] . $path
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		);
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		$path = str_replace('//', '/', $path);
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		return trim($path, '/');
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	}
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/**
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 * Maps crud actions to actual action names. Used to modify or get the current mapped actions.
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 *
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 * Create additional mappings for a standard CRUD operation:
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 *
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 * ```
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 * $this->Auth->mapActions(array('create' => array('add', 'register'));
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 * ```
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 *
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 * Or equivalently:
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 *
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 * ```
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 * $this->Auth->mapActions(array('register' => 'create', 'add' => 'create'));
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 * ```
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 *
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 * Create mappings for custom CRUD operations:
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 *
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 * ```
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 * $this->Auth->mapActions(array('range' => 'search'));
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 * ```
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 *
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 * You can use the custom CRUD operations to create additional generic permissions
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 * that behave like CRUD operations. Doing this will require additional columns on the
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 * permissions lookup. For example if one wanted an additional search CRUD operation
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 * one would create and additional column '_search' in the aros_acos table. One could
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 * create a custom admin CRUD operation for administration functions similarly if needed.
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 *
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 * @param array $map Either an array of mappings, or undefined to get current values.
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 * @return mixed Either the current mappings or null when setting.
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 * @see AuthComponent::mapActions()
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 */
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	public function mapActions($map = array()) {
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		if (empty($map)) {
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			return $this->settings['actionMap'];
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		}
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		foreach ($map as $action => $type) {
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			if (is_array($type)) {
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				foreach ($type as $typedAction) {
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					$this->settings['actionMap'][$typedAction] = $action;
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				}
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			} else {
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				$this->settings['actionMap'][$action] = $type;
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			}
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		}
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	}
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}