3 namespace CoreFramework\Filter\Verifier\Password;
6 * A concrete filter for validating the password. This filter may intercept
7 * the filter chain if no password is given or the password is invalid
9 * @author Roland Haeder <webmaster@shipsimu.org>
11 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
12 * @license GNU GPL 3.0 or any newer version
13 * @link http://www.shipsimu.org
15 * This program is free software: you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation, either version 3 of the License, or
18 * (at your option) any later version.
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
25 * You should have received a copy of the GNU General Public License
26 * along with this program. If not, see <http://www.gnu.org/licenses/>.
28 class PasswordVerifierFilter extends BaseFilter implements Filterable {
30 * Protected constructor
34 protected function __construct () {
35 // Call parent constructor
36 parent::__construct(__CLASS__);
40 * Creates an instance of this filter class
42 * @return $filterInstance An instance of this filter class
44 public static final function createPasswordVerifierFilter () {
46 $filterInstance = new PasswordVerifierFilter();
48 // Return the instance
49 return $filterInstance;
53 * Executes the filter with given request and response objects
55 * @param $requestInstance An instance of a class with an Requestable interface
56 * @param $responseInstance An instance of a class with an Responseable interface
58 * @throws FilterChainException If this filter fails to operate
60 public function execute (Requestable $requestInstance, Responseable $responseInstance) {
62 $password = $requestInstance->getRequestElement('pass');
64 // Is the password still not set?
65 if (is_null($password)) {
66 // Not found in form so stop the filtering process
67 $requestInstance->requestIsValid(FALSE);
69 // Add a message to the response
70 $responseInstance->addFatalMessage('password_unset');
73 throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
74 } elseif (empty($password)) {
76 $requestInstance->requestIsValid(FALSE);
78 // Add a message to the response
79 $responseInstance->addFatalMessage('password_empty');
82 throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);