fe2b1e68942a74ada111d16db310c2445e21ef93
[core.git] / inc / main / classes / filter / change / class_EmailChangeFilter.php
1 <?php
2 // Own namespace
3 namespace CoreFramework\Filter\Change\Email;
4
5 /**
6  * A filter for detecting email changes
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 EmailChangeFilter 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 createEmailChangeFilter () {
44                 // Get a new instance
45                 $filterInstance = new EmailChangeFilter();
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          * @todo        Implement email change of the user here. HINT: Use the User class!
59          */
60         public function execute (Requestable $requestInstance, Responseable $responseInstance) {
61                 // Get both emails
62                 $email1 = $requestInstance->getRequestElement('email1');
63                 $email2 = $requestInstance->getRequestElement('email2');
64
65                 // Is only first email set?
66                 if ((!empty($email1)) && (empty($email2))) {
67                         // Request is invalid!
68                         $requestInstance->requestIsValid(FALSE);
69
70                         // Email 2 is empty
71                         $responseInstance->addFatalMessage('email2_empty');
72
73                         // Stop processing here
74                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
75                 } // END - if
76
77                 // Is only second email set?
78                 if ((empty($email1)) && (!empty($email2))) {
79                         // Request is invalid!
80                         $requestInstance->requestIsValid(FALSE);
81
82                         // Email 1 is empty
83                         $responseInstance->addFatalMessage('email1_empty');
84
85                         // Stop processing here
86                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
87                 } // END - if
88
89                 // Do both match?
90                 if ($email1 != $email2) {
91                         // Request is invalid!
92                         $requestInstance->requestIsValid(FALSE);
93
94                         // Emails are mismatching
95                         $responseInstance->addFatalMessage('emails_mismatch');
96
97                         // Stop processing here
98                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
99                 } // END - if
100
101                 // Are email and confirmation empty?
102                 if ((empty($email1)) && (empty($email2))) {
103                         // No email change required!
104                         return TRUE;
105                 } // END - if
106
107                 // Now, get a user instance for comparison
108                 $userInstance = Registry::getRegistry()->getInstance('user');
109
110                 // Get the email field
111                 $userEmail = $userInstance->getField('email');
112
113                 // Are they different?
114                 if ($userEmail == $email1) {
115                         // Nothing has been changed is fine...
116                         return TRUE;
117                 } // END - if
118
119                 // Update the "new_email" field
120                 $this->partialStub('Unfinished part.');
121         }
122
123 }