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1 <?php
2 // Own namespace
3 namespace CoreFramework\Filter\Verifier\Confirmation;
4
5 // Import framework stuff
6 use CoreFramework\Registry\Generic\Registry;
7
8 /**
9  * A filter for checking if supplied confirmation code is valid.
10  *
11  * @author              Roland Haeder <webmaster@shipsimu.org>
12  * @version             0.0.0
13  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
14  * @license             GNU GPL 3.0 or any newer version
15  * @link                http://www.shipsimu.org
16  *
17  * This program is free software: you can redistribute it and/or modify
18  * it under the terms of the GNU General Public License as published by
19  * the Free Software Foundation, either version 3 of the License, or
20  * (at your option) any later version.
21  *
22  * This program is distributed in the hope that it will be useful,
23  * but WITHOUT ANY WARRANTY; without even the implied warranty of
24  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
25  * GNU General Public License for more details.
26  *
27  * You should have received a copy of the GNU General Public License
28  * along with this program. If not, see <http://www.gnu.org/licenses/>.
29  */
30 class ConfirmCodeVerifierFilter extends BaseFilter implements Filterable {
31         /**
32          * Protected constructor
33          *
34          * @return      void
35          */
36         protected function __construct () {
37                 // Call parent constructor
38                 parent::__construct(__CLASS__);
39         }
40
41         /**
42          * Creates an instance of this filter class
43          *
44          * @return      $filterInstance         An instance of this filter class
45          */
46         public static final function createConfirmCodeVerifierFilter () {
47                 // Get a new instance
48                 $filterInstance = new ConfirmCodeVerifierFilter();
49
50                 // Return the instance
51                 return $filterInstance;
52         }
53
54         /**
55          * Executes the filter with given request and response objects
56          *
57          * @param       $requestInstance        An instance of a class with an Requestable interface
58          * @param       $responseInstance       An instance of a class with an Responseable interface
59          * @return      void
60          * @throws      FilterChainException    If this filter fails to operate
61          */
62         public function execute (Requestable $requestInstance, Responseable $responseInstance) {
63                 // Get confirmation code from request
64                 $confirmCode = $requestInstance->getRequestElement('confirm');
65
66                 // Is this code set?
67                 if (is_null($confirmCode)) {
68                         // Is not in request
69                         $requestInstance->requestIsValid(FALSE);
70
71                         // Add a message to the response
72                         $responseInstance->addFatalMessage('confirm_code_unset');
73
74                         // Abort here
75                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
76                 } elseif (empty($confirmCode)) {
77                         // Email is empty
78                         $requestInstance->requestIsValid(FALSE);
79
80                         // Add a message to the response
81                         $responseInstance->addFatalMessage('confirm_code_empty');
82
83                         // Abort here
84                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
85                 }
86
87                 // Get a user instance from registry
88                 $userInstance = Registry::getRegistry()->getInstance('user');
89
90                 // Get the confirm code from user for comparison
91                 $userCode = $userInstance->getField(UserDatabaseWrapper::DB_COLUMN_CONFIRM_HASH);
92
93                 // Do we have the same code or different?
94                 if ($userCode != $confirmCode) {
95                         // Email is empty
96                         $requestInstance->requestIsValid(FALSE);
97
98                         // Redirect to error page
99                         $responseInstance->redirectToConfiguredUrl('confirm_code_invalid');
100
101                         // Stop processing here
102                         exit();
103                 } // END - if
104         }
105
106 }