bf0bf85af4f7f1d8adf8d0ac73d60b5e34e35ed2
[core.git] / inc / main / classes / filter / validator / class_PasswordValidatorFilter.php
1 <?php
2 // Own namespace
3 namespace CoreFramework\Filter\Validator\Password;
4
5 /**
6  * A concrete filter for validating the password. This filter may intercept
7  * the filter chain if no password is given or if both passwords didn't match.
8  *
9  * @author              Roland Haeder <webmaster@shipsimu.org>
10  * @version             0.0.0
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
14  *
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.
19  *
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.
24  *
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/>.
27  */
28 class PasswordValidatorFilter extends BaseFilter implements Filterable {
29         /**
30          * Protected constructor
31          *
32          * @return      void
33          */
34         protected function __construct () {
35                 // Call parent constructor
36                 parent::__construct(__CLASS__);
37         }
38
39         /**
40          * Creates an instance of this filter class
41          *
42          * @return      $filterInstance                 An instance of this filter class
43          */
44         public static final function createPasswordValidatorFilter () {
45                 // Get a new instance
46                 $filterInstance = new PasswordValidatorFilter();
47
48                 // Return the instance
49                 return $filterInstance;
50         }
51
52         /**
53          * Executes the filter with given request and response objects
54          *
55          * @param       $requestInstance        An instance of a class with an Requestable interface
56          * @param       $responseInstance       An instance of a class with an Responseable interface
57          * @return      void
58          * @throws      FilterChainException    If this filter fails to operate
59          */
60         public function execute (Requestable $requestInstance, Responseable $responseInstance) {
61                 // Get passwords
62                 $password1 = $requestInstance->getRequestElement('pass1');
63                 $password2 = $requestInstance->getRequestElement('pass2');
64
65                 // Is the password still not set?
66                 if ((is_null($password1)) || (is_null($password2))) {
67                         // Not found in form so stop the filtering process
68                         $requestInstance->requestIsValid(FALSE);
69
70                         // Add a message to the response
71                         $responseInstance->addFatalMessage('password_unset');
72
73                         // Abort here
74                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
75                 } elseif ((empty($password1)) || (empty($password2))) {
76                         // Password is empty
77                         $requestInstance->requestIsValid(FALSE);
78
79                         // Is the password empty?
80                         if (empty($password1)) {
81                                 // Add a message to the response
82                                 $responseInstance->addFatalMessage('pass1_empty');
83                         } // END - if
84
85                         // Is the confirmation empty?
86                         if (empty($password2)) {
87                                 // Add a message to the response
88                                 $responseInstance->addFatalMessage('pass2_empty');
89                         } // END - if
90
91                         // Abort here
92                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
93                 } elseif ($password1 != $password2) {
94                         // Passwords didn't match
95                         $requestInstance->requestIsValid(FALSE);
96
97                         // Add a message to the response
98                         $responseInstance->addFatalMessage('pass_mismatch');
99
100                         // Abort here
101                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
102                 } // END - elseif
103         }
104
105 }