Opps, forgot this.
[core.git] / inc / classes / main / filter / change / class_EmailChangeFilter.php
1 <?php
2 /**
3  * A filter for detecting email changes
4  *
5  * @author              Roland Haeder <webmaster@shipsimu.org>
6  * @version             0.0.0
7  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Core Developer Team
8  * @license             GNU GPL 3.0 or any newer version
9  * @link                http://www.shipsimu.org
10  *
11  * This program is free software: you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License as published by
13  * the Free Software Foundation, either version 3 of the License, or
14  * (at your option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program. If not, see <http://www.gnu.org/licenses/>.
23  */
24 class EmailChangeFilter extends BaseFilter implements Filterable {
25         /**
26          * Protected constructor
27          *
28          * @return      void
29          */
30         protected function __construct () {
31                 // Call parent constructor
32                 parent::__construct(__CLASS__);
33         }
34
35         /**
36          * Creates an instance of this filter class
37          *
38          * @return      $filterInstance                 An instance of this filter class
39          */
40         public static final function createEmailChangeFilter () {
41                 // Get a new instance
42                 $filterInstance = new EmailChangeFilter();
43
44                 // Return the instance
45                 return $filterInstance;
46         }
47
48         /**
49          * Executes the filter with given request and response objects
50          *
51          * @param       $requestInstance        An instance of a class with an Requestable interface
52          * @param       $responseInstance       An instance of a class with an Responseable interface
53          * @return      void
54          * @throws      FilterChainException    If this filter fails to operate
55          * @todo        Implement email change of the user here. HINT: Use the User class!
56          */
57         public function execute (Requestable $requestInstance, Responseable $responseInstance) {
58                 // Get both emails
59                 $email1 = $requestInstance->getRequestElement('email1');
60                 $email2 = $requestInstance->getRequestElement('email2');
61
62                 // Is only first email set?
63                 if ((!empty($email1)) && (empty($email2))) {
64                         // Request is invalid!
65                         $requestInstance->requestIsValid(FALSE);
66
67                         // Email 2 is empty
68                         $responseInstance->addFatalMessage('email2_empty');
69
70                         // Stop processing here
71                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
72                 } // END - if
73
74                 // Is only second email set?
75                 if ((empty($email1)) && (!empty($email2))) {
76                         // Request is invalid!
77                         $requestInstance->requestIsValid(FALSE);
78
79                         // Email 1 is empty
80                         $responseInstance->addFatalMessage('email1_empty');
81
82                         // Stop processing here
83                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
84                 } // END - if
85
86                 // Do both match?
87                 if ($email1 != $email2) {
88                         // Request is invalid!
89                         $requestInstance->requestIsValid(FALSE);
90
91                         // Emails are mismatching
92                         $responseInstance->addFatalMessage('emails_mismatch');
93
94                         // Stop processing here
95                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
96                 } // END - if
97
98                 // Are email and confirmation empty?
99                 if ((empty($email1)) && (empty($email2))) {
100                         // No email change required!
101                         return TRUE;
102                 } // END - if
103
104                 // Now, get a user instance for comparison
105                 $userInstance = Registry::getRegistry()->getInstance('user');
106
107                 // Get the email field
108                 $userEmail = $userInstance->getField('email');
109
110                 // Are they different?
111                 if ($userEmail == $email1) {
112                         // Nothing has been changed is fine...
113                         return TRUE;
114                 } // END - if
115
116                 // Update the "new_email" field
117                 $this->partialStub('Unfinished part.');
118         }
119 }
120
121 // [EOF]
122 ?>