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, 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 PasswordValidatorFilter extends BaseFrameworkSystem implements Filterable {
27 * Protected constructor
31 protected function __construct () {
32 // Call parent constructor
33 parent::__construct(__CLASS__);
35 // Set part description
36 $this->setObjectDescription("A filter for Password validation");
38 // Create unique ID number
39 $this->generateUniqueId();
42 $this->removeNumberFormaters();
43 $this->removeSystemArray();
47 * Creates an instance of this filter class
49 * @return $filterInstance An instance of this filter class
51 public final static function createPasswordValidatorFilter () {
53 $filterInstance = new PasswordValidatorFilter();
55 // Return the instance
56 return $filterInstance;
60 * Executes the filter with given request and response objects
62 * @param $requestInstance An instance of a class with an Requestable interface
63 * @param $responseInstance An instance of a class with an Responseable interface
66 public function execute (Requestable $requestInstance, Responseable $responseInstance) {
68 $password1 = $requestInstance->getRequestElement('pass1');
69 $password2 = $requestInstance->getRequestElement('pass2');
71 // Is the password still not set?
72 if ((is_null($password1)) || (is_null($password2))) {
73 // Not found in form so stop the filtering process
74 $requestInstance->requestIsValid(false);
76 // Add a message to the response
77 $responseInstance->addFatalMessage('password_unset');
81 } elseif ((empty($password1)) || (empty($password2))) {
83 $requestInstance->requestIsValid(false);
85 // Is the password empty?
86 if (empty($password1)) {
87 // Add a message to the response
88 $responseInstance->addFatalMessage('password1_empty');
91 // Is the confirmation empty?
92 if (empty($password2)) {
93 // Add a message to the response
94 $responseInstance->addFatalMessage('password2_empty');
99 } elseif ($password1 != $password2) {
100 // Passwords didn't match
101 $requestInstance->requestIsValid(false);
103 // Add a message to the response
104 $responseInstance->addFatalMessage('passwords_mismatching');