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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 // Import framework stuff
6 use CoreFramework\Filter\BaseFilter;
7 use CoreFramework\Registry\Registry;
8 use CoreFramework\Request\Requestable;
9 use CoreFramework\Response\Responseable;
10
11 /**
12  * A filter for checking if supplied confirmation code is valid.
13  *
14  * @author              Roland Haeder <webmaster@shipsimu.org>
15  * @version             0.0.0
16  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
17  * @license             GNU GPL 3.0 or any newer version
18  * @link                http://www.shipsimu.org
19  *
20  * This program is free software: you can redistribute it and/or modify
21  * it under the terms of the GNU General Public License as published by
22  * the Free Software Foundation, either version 3 of the License, or
23  * (at your option) any later version.
24  *
25  * This program is distributed in the hope that it will be useful,
26  * but WITHOUT ANY WARRANTY; without even the implied warranty of
27  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
28  * GNU General Public License for more details.
29  *
30  * You should have received a copy of the GNU General Public License
31  * along with this program. If not, see <http://www.gnu.org/licenses/>.
32  */
33 class ConfirmCodeVerifierFilter extends BaseFilter implements Filterable {
34         /**
35          * Protected constructor
36          *
37          * @return      void
38          */
39         protected function __construct () {
40                 // Call parent constructor
41                 parent::__construct(__CLASS__);
42         }
43
44         /**
45          * Creates an instance of this filter class
46          *
47          * @return      $filterInstance         An instance of this filter class
48          */
49         public static final function createConfirmCodeVerifierFilter () {
50                 // Get a new instance
51                 $filterInstance = new ConfirmCodeVerifierFilter();
52
53                 // Return the instance
54                 return $filterInstance;
55         }
56
57         /**
58          * Executes the filter with given request and response objects
59          *
60          * @param       $requestInstance        An instance of a class with an Requestable interface
61          * @param       $responseInstance       An instance of a class with an Responseable interface
62          * @return      void
63          * @throws      FilterChainException    If this filter fails to operate
64          */
65         public function execute (Requestable $requestInstance, Responseable $responseInstance) {
66                 // Get confirmation code from request
67                 $confirmCode = $requestInstance->getRequestElement('confirm');
68
69                 // Is this code set?
70                 if (is_null($confirmCode)) {
71                         // Is not in request
72                         $requestInstance->requestIsValid(FALSE);
73
74                         // Add a message to the response
75                         $responseInstance->addFatalMessage('confirm_code_unset');
76
77                         // Abort here
78                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
79                 } elseif (empty($confirmCode)) {
80                         // Email is empty
81                         $requestInstance->requestIsValid(FALSE);
82
83                         // Add a message to the response
84                         $responseInstance->addFatalMessage('confirm_code_empty');
85
86                         // Abort here
87                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
88                 }
89
90                 // Get a user instance from registry
91                 $userInstance = Registry::getRegistry()->getInstance('user');
92
93                 // Get the confirm code from user for comparison
94                 $userCode = $userInstance->getField(UserDatabaseWrapper::DB_COLUMN_CONFIRM_HASH);
95
96                 // Do we have the same code or different?
97                 if ($userCode != $confirmCode) {
98                         // Email is empty
99                         $requestInstance->requestIsValid(FALSE);
100
101                         // Redirect to error page
102                         $responseInstance->redirectToConfiguredUrl('confirm_code_invalid');
103
104                         // Stop processing here
105                         exit();
106                 } // END - if
107         }
108
109 }