34b82177abe5f725ae71a45d71b27d75272a6a20
[core.git] / inc / main / classes / filter / change / class_EmailChangeFilter.php
1 <?php
2 // Own namespace
3 namespace CoreFramework\Filter\Change\Email;
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 detecting email changes
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 EmailChangeFilter 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 createEmailChangeFilter () {
50                 // Get a new instance
51                 $filterInstance = new EmailChangeFilter();
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          * @todo        Implement email change of the user here. HINT: Use the User class!
65          */
66         public function execute (Requestable $requestInstance, Responseable $responseInstance) {
67                 // Get both emails
68                 $email1 = $requestInstance->getRequestElement('email1');
69                 $email2 = $requestInstance->getRequestElement('email2');
70
71                 // Is only first email set?
72                 if ((!empty($email1)) && (empty($email2))) {
73                         // Request is invalid!
74                         $requestInstance->requestIsValid(FALSE);
75
76                         // Email 2 is empty
77                         $responseInstance->addFatalMessage('email2_empty');
78
79                         // Stop processing here
80                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
81                 } // END - if
82
83                 // Is only second email set?
84                 if ((empty($email1)) && (!empty($email2))) {
85                         // Request is invalid!
86                         $requestInstance->requestIsValid(FALSE);
87
88                         // Email 1 is empty
89                         $responseInstance->addFatalMessage('email1_empty');
90
91                         // Stop processing here
92                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
93                 } // END - if
94
95                 // Do both match?
96                 if ($email1 != $email2) {
97                         // Request is invalid!
98                         $requestInstance->requestIsValid(FALSE);
99
100                         // Emails are mismatching
101                         $responseInstance->addFatalMessage('emails_mismatch');
102
103                         // Stop processing here
104                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
105                 } // END - if
106
107                 // Are email and confirmation empty?
108                 if ((empty($email1)) && (empty($email2))) {
109                         // No email change required!
110                         return TRUE;
111                 } // END - if
112
113                 // Now, get a user instance for comparison
114                 $userInstance = Registry::getRegistry()->getInstance('user');
115
116                 // Get the email field
117                 $userEmail = $userInstance->getField('email');
118
119                 // Are they different?
120                 if ($userEmail == $email1) {
121                         // Nothing has been changed is fine...
122                         return TRUE;
123                 } // END - if
124
125                 // Update the "new_email" field
126                 $this->partialStub('Unfinished part.');
127         }
128
129 }