3 * A concrete filter for validating the password. This filter may intercept
4 * the filter chain if no password is given or the password is invalid
6 * @author Roland Haeder <webmaster@ship-simu.org>
8 * @copyright Copyright (c) 2007, 2008 Roland Haeder, this is free software
9 * @license GNU GPL 3.0 or any newer version
10 * @link http://www.ship-simu.org
12 * This program is free software: you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation, either version 3 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program. If not, see <http://www.gnu.org/licenses/>.
25 class AccountPasswordVerifierFilter extends BaseFilter implements Filterable {
27 * Protected constructor
31 protected function __construct () {
32 // Call parent constructor
33 parent::__construct(__CLASS__);
37 * Creates an instance of this filter class
39 * @param $controllerInstance An instance of a Controller class
40 * @return $filterInstance An instance of this filter class
42 public final static function createAccountPasswordVerifierFilter (Controller $controllerInstance) {
44 $filterInstance = new AccountPasswordVerifierFilter();
47 $filterInstance->setControllerInstance($controllerInstance);
49 // Return the instance
50 return $filterInstance;
54 * Executes the filter with given request and response objects
56 * @param $requestInstance An instance of a class with an Requestable interface
57 * @param $responseInstance An instance of a class with an Responseable interface
59 * @throws AccountPasswordMismatchException If the account password does not match
60 * @todo Rewrite handling of different password fields
62 public function execute (Requestable $requestInstance, Responseable $responseInstance) {
64 $password = $requestInstance->getRequestElement('pass_old');
66 // Is the password still not set?
67 if (is_null($password)) {
68 // Get password from alternative location
69 $password = $requestInstance->getRequestElement('password');
71 // Is the password still not set?
72 if (is_null($password)) {
73 // Not found in form so stop the filtering process
74 $requestInstance->requestIsValid(false);
76 // Add a message to the response
77 $responseInstance->addFatalMessage('password_unset');
84 if (empty($password)) {
86 $requestInstance->requestIsValid(false);
88 // Add a message to the response
89 $responseInstance->addFatalMessage('password_empty');
95 // Get a user instance
96 $userInstance = Registry::getRegistry()->getInstance('user');
99 $currentHash = $userInstance->getField('pass_hash');
101 // Get an encryption helper and encrypt the password
102 $passHash = ObjectFactory::createObjectByConfiguredName('crypto_class')->hashString($password, $currentHash);
105 if ($currentHash != $passHash) {
106 // Throw an exception here to stop the proccessing
107 throw new AccountPasswordMismatchException($this, BaseUser::EXCEPTION_USER_PASS_MISMATCH);