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<?php |
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/** |
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* Copyright 2016 - 2018, Cake Development Corporation (http://cakedc.com) |
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* |
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* Licensed under The MIT License |
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* Redistributions of files must retain the above copyright notice. |
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* |
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* @copyright Copyright 2016 - 2018, Cake Development Corporation (http://cakedc.com) |
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php) |
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*/ |
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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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* @since 0.10.0 |
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* @license http://www.opensource.org/licenses/mit-license.php MIT License |
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*/ |
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namespace CakeDC\Api\Service\Auth; |
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use CakeDC\Api\Exception\UnauthenticatedException; |
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use CakeDC\Api\Service\Action\Action; |
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use CakeDC\Api\Service\Service; |
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use Cake\Core\InstanceConfigTrait; |
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use Cake\Event\Event; |
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use Cake\Event\EventDispatcherTrait; |
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use Cake\Http\Exception\ForbiddenException; |
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use Cake\Http\Response; |
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use Cake\Log\LogTrait; |
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/** |
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* Class Auth |
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* |
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* @package CakeDC\Api\Service\Auth |
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*/ |
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class Auth |
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{ |
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use AuthenticateTrait; |
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use AuthorizeTrait; |
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use EventDispatcherTrait; |
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use InstanceConfigTrait; |
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use LogTrait; |
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use StorageTrait; |
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/** |
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* Actions for which user validation is not required. |
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* |
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* @var array |
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*/ |
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public $allowedActions = []; |
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/** |
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* Request object |
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* |
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* @var \Cake\Http\ServerRequest |
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*/ |
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public $request; |
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/** |
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* Response object |
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* |
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* @var \Cake\Http\Response |
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*/ |
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public $response; |
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/** |
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* Default config |
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* |
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* These are merged with user-provided config when the component is used. |
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* |
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* @var array |
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*/ |
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protected $_defaultConfig = [ |
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'storage' => 'Memory', |
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]; |
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protected $_registry = null; |
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/** |
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* @var Service |
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*/ |
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protected $_service; |
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/** |
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* @var Action |
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*/ |
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protected $_action; |
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/** |
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* Constructor |
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* |
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* @param array $config Array of configuration settings. |
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*/ |
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public function __construct(array $config = []) |
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{ |
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if (array_key_exists('request', $config)) { |
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$this->request = $config['request']; |
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} |
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if (array_key_exists('response', $config)) { |
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$this->response = $config['response']; |
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} |
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$this->setConfig($config); |
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$this->initialize($config); |
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} |
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/** |
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* Initialize properties. |
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* |
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* @param array $config The config data. |
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* @return void |
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*/ |
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public function initialize(array $config) |
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{ |
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if (array_key_exists('service', $config)) { |
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$this->_service = $config['service']; |
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} |
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if (array_key_exists('action', $config)) { |
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$this->_action = $config['action']; |
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} |
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$this->setEventManager($this->_action->getEventManager()); |
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} |
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/** |
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* Sets defaults for configs. |
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* |
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* @return void |
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*/ |
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protected function _setDefaults() |
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{ |
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$defaults = [ |
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'authenticate' => ['CakeDC/Api.Token'], |
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'authError' => __d('CakeDC/Api', 'You are not authorized to access that location.') |
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]; |
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$config = $this->getConfig(); |
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foreach ($config as $key => $value) { |
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if ($value !== null) { |
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unset($defaults[$key]); |
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} |
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} |
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$this->setConfig($defaults); |
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} |
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/** |
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* Takes a list of actions in the current controller for which authentication is not required, or |
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* no parameters to allow all actions. |
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* |
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* You can use allow with either an array or a simple string. |
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* |
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* ``` |
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* $this->Auth->allow('view'); |
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* $this->Auth->allow(['edit', 'add']); |
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* |
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* @param string|array $actions Controller action name or array of actions |
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* @return void |
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*/ |
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public function allow($actions) |
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{ |
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$this->allowedActions = array_merge($this->allowedActions, (array)$actions); |
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} |
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/** |
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* Removes items from the list of allowed/no authentication required actions. |
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* |
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* You can use deny with either an array or a simple string. |
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* |
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* ``` |
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* $this->Auth->deny('view'); |
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* $this->Auth->deny(['edit', 'add']); |
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* ``` |
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* or |
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* ``` |
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* $this->Auth->deny(); |
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* ``` |
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* to remove all items from the allowed list |
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* |
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* @param string|array|null $actions Controller action name or array of actions |
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* @return void |
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*/ |
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public function deny($actions = null) |
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{ |
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if ($actions === null) { |
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$this->allowedActions = []; |
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return; |
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} |
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foreach ((array)$actions as $action) { |
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$i = array_search($action, $this->allowedActions); |
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if (is_int($i)) { |
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unset($this->allowedActions[$i]); |
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} |
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} |
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$this->allowedActions = array_values($this->allowedActions); |
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} |
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/** |
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* Main execution method, handles initial authentication check and redirection |
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* of invalid users. |
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* |
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* The auth check is done when event name is same as the one configured in |
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* `checkAuthIn` config. |
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* |
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* @param \Cake\Event\Event $event Event instance. |
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* @return Response|null |
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*/ |
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public function authCheck(Event $event) |
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{ |
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$action = $this->_action; |
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$this->_setDefaults(); |
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if ($this->_isAllowed($action)) { |
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return null; |
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} |
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if (!$this->_getUser()) { |
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throw new UnauthenticatedException(); |
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} |
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if (empty($this->_config['authorize']) || |
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$this->isAuthorized($this->user()) |
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) { |
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return null; |
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} |
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throw new ForbiddenException($this->_config['authError']); |
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} |
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/** |
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* Checks whether current action is accessible without authentication. |
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* |
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* @param Action $action An Action instance. |
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* @return bool True if action is accessible without authentication else false |
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*/ |
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protected function _isAllowed(Action $action) |
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{ |
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$action = strtolower($action->getName()); |
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return in_array($action, array_map('strtolower', $this->allowedActions)) || |
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in_array('*', $this->allowedActions); |
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} |
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/** |
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* __get method this method will return an attribute of this class |
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* |
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* @param string $name Name |
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* @return mixed |
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*/ |
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public function __get($name) |
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{ |
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if (isset($this->{$name})) { |
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return $this->{$name}; |
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} |
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return null; |
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} |
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/** |
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* __set method this method will allow you set the value for an attribute of this class |
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* |
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* @param string $name name of the attribute |
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* @param string $value value of the attribute |
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* @return void |
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*/ |
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public function __set($name, $value) |
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{ |
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$this->{$name} = $value; |
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} |
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} |
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.