3 * A concrete filter for validating the password. This filter may intercept
4 * the filter chain if no password is given or if both passwords didn't match.
6 * @author Roland Haeder <webmaster@ship-simu.org>
8 * @copyright Copyright (c) 2007 - 2009 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 PasswordValidatorFilter 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 * @return $filterInstance An instance of this filter class
41 public final static function createPasswordValidatorFilter () {
43 $filterInstance = new PasswordValidatorFilter();
45 // Return the instance
46 return $filterInstance;
50 * Executes the filter with given request and response objects
52 * @param $requestInstance An instance of a class with an Requestable interface
53 * @param $responseInstance An instance of a class with an Responseable interface
55 * @throws FilterChainException If this filter fails to operate
57 public function execute (Requestable $requestInstance, Responseable $responseInstance) {
59 $password1 = $requestInstance->getRequestElement('pass1');
60 $password2 = $requestInstance->getRequestElement('pass2');
62 // Is the password still not set?
63 if ((is_null($password1)) || (is_null($password2))) {
64 // Not found in form so stop the filtering process
65 $requestInstance->requestIsValid(false);
67 // Add a message to the response
68 $responseInstance->addFatalMessage('password_unset');
71 throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
72 } elseif ((empty($password1)) || (empty($password2))) {
74 $requestInstance->requestIsValid(false);
76 // Is the password empty?
77 if (empty($password1)) {
78 // Add a message to the response
79 $responseInstance->addFatalMessage('pass1_empty');
82 // Is the confirmation empty?
83 if (empty($password2)) {
84 // Add a message to the response
85 $responseInstance->addFatalMessage('pass2_empty');
89 throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
90 } elseif ($password1 != $password2) {
91 // Passwords didn't match
92 $requestInstance->requestIsValid(false);
94 // Add a message to the response
95 $responseInstance->addFatalMessage('pass_mismatch');
98 throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);