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