+++ /dev/null
-<?php
-/**
- * A filter for checking user permissions
- *
- * @author Roland Haeder <webmaster@ship-simu.org>
- * @version 0.0.0
- * @copyright Copyright (c) 2007, 2008 Roland Haeder, this is free software
- * @license GNU GPL 3.0 or any newer version
- * @link http://www.ship-simu.org
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-class UserAuthFilter extends BaseFilter implements Filterable {
- // Exception constants
- const EXCEPTION_AUTH_DATA_INVALID = 0x1b0;
-
- /**
- * The login method we shall choose
- */
- private $authMethod = "";
-
- /**
- * Protected constructor
- *
- * @return void
- */
- protected function __construct () {
- // Call parent constructor
- parent::__construct(__CLASS__);
- }
-
- /**
- * Creates an instance of this filter class
- *
- * @param $controllerInstance An instance of a Controller class
- * @return $filterInstance An instance of this filter class
- */
- public final static function createUserAuthFilter (Controller $controllerInstance) {
- // Get a new instance
- $filterInstance = new UserAuthFilter();
-
- // Set the controller
- $filterInstance->setControllerInstance($controllerInstance);
-
- // Set default auth method
- $filterInstance->setDefaultAuthMethod();
-
- // Return the instance
- return $filterInstance;
- }
-
- /**
- * Setter for default login method from config
- *
- * @return void
- */
- protected function setDefaultAuthMethod () {
- $this->authMethod = $this->getConfigInstance()->readConfig('auth_method_class');
- }
-
- /**
- * Executes the filter with given request and response objects
- *
- * @param $requestInstance An instance of a class with an Requestable interface
- * @param $responseInstance An instance of a class with an Responseable interface
- * @return void
- * @throws UserAuthorizationException If the auth login was not found or if it was invalid
- * @throws UserPasswordMismatchException If the supplied password hash does not match
- * @throws ClassNotFoundException If the user (guest/member) class was not found
- */
- public function execute (Requestable $requestInstance, Responseable $responseInstance) {
- // Then get an auth instance for checking and updating the auth cookies
- $authInstance = ObjectFactory::createObjectByName($this->authMethod, array($responseInstance));
-
- // Set request instance
- $authInstance->setRequestInstance($requestInstance);
-
- // Now, get the auth data for comparison
- $authLogin = $authInstance->getUserAuth();
- $authHash = $authInstance->getPasswordAuth();
-
- // If one is empty stop here
- if ((empty($authLogin)) || (empty($authHash))) {
- // Destroy the auth data
- $authInstance->destroyAuthData();
-
- // Mark the request as invalid
- $requestInstance->requestIsValid(false);
-
- // Add fatal message
- $responseInstance->addFatalMessage('auth_data_incomplete');
-
- // Stop here
- throw new UserAuthorizationException($this, self::EXCEPTION_AUTH_DATA_INVALID);
- } // END - if
-
- // Regular user account
- $className = $this->getConfigInstance()->readConfig('user_class');
- $methodName = 'createMemberByUserName';
-
- // Now, try to get a user or guest instance
- if ($authLogin == $this->getConfigInstance()->readConfig('guest_login_user')) {
- // Set class
- $className = $this->getConfigInstance()->readConfig('guest_class');
- $methodName = 'createGuestByUserName';
- } // END - if
-
- // Does the guest class exist?
- if (!class_exists($className)) {
- // Then abort here
- throw new ClassNotFoundException (array($this, $className), self::EXCEPTION_CLASS_NOT_FOUND);
- } // END - if
-
- // Now try the dynamic login
- $userInstance = call_user_func_array(array($className, $methodName), array($authLogin));
-
- // Is the password correct?
- if ($userInstance->getPasswordHash() !== $authHash) {
- // Mismatching password
- throw new UserPasswordMismatchException(array($this, $userInstance), BaseUser::EXCEPTION_USER_PASS_MISMATCH);
- } // END - if
-
- // Remember auth and user instances in registry
- Registry::getRegistry()->addInstance('auth', $authInstance);
- Registry::getRegistry()->addInstance('user', $userInstance);
- }
-}
-
-// [EOF]
-?>