inc/classes/main/filter/validator/class_PasswordValidatorFilter.php

   1 <?php
   2 /**
   3  * A concrete filter for validating the password. This filter may intercept
   4  * the filter chain if no password is given or if both passwords didn't match.
   5  *
   6  * @author              Roland Haeder <webmaster@ship-simu.org>
   7  * @version             0.0.0
   8  * @copyright   Copyright(c) 2007, 2008 Roland Haeder, this is free software
   9  * @license             GNU GPL 3.0 or any newer version
  10  * @link                http://www.ship-simu.org
  11  *
  12  * This program is free software: you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation, either version 3 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  24  */
  25 class PasswordValidatorFilter extends BaseFilter implements Filterable {
  26         /**
  27          * Protected constructor
  28          *
  29          * @return      void
  30          */
  31         protected function __construct () {
  32                 // Call parent constructor
  33                 parent::__construct(__CLASS__);
  34
  35                 // Set part description
  36                 $this->setObjectDescription("A filter for Password validation");
  37
  38                 // Create unique ID number
  39                 $this->generateUniqueId();
  40         }
  41
  42         /**
  43          * Creates an instance of this filter class
  44          *
  45          * @return      $filterInstance         An instance of this filter class
  46          */
  47         public final static function createPasswordValidatorFilter () {
  48                 // Get a new instance
  49                 $filterInstance = new PasswordValidatorFilter();
  50
  51                 // Return the instance
  52                 return $filterInstance;
  53         }
  54
  55         /**
  56          * Executes the filter with given request and response objects
  57          *
  58          * @param       $requestInstance        An instance of a class with an Requestable interface
  59          * @param       $responseInstance       An instance of a class with an Responseable interface
  60          * @return      void
  61          */
  62         public function execute (Requestable $requestInstance, Responseable $responseInstance) {
  63                 // Get passwords
  64                 $password1 = $requestInstance->getRequestElement('pass1');
  65                 $password2 = $requestInstance->getRequestElement('pass2');
  66
  67                 // Is the password still not set?
  68                 if ((is_null($password1)) || (is_null($password2))) {
  69                         // Not found in form so stop the filtering process
  70                         $requestInstance->requestIsValid(false);
  71
  72                         // Add a message to the response
  73                         $responseInstance->addFatalMessage('password_unset');
  74
  75                         // Abort here
  76                         return false;
  77                 } elseif ((empty($password1)) || (empty($password2))) {
  78                         // Password is empty
  79                         $requestInstance->requestIsValid(false);
  80
  81                         // Is the password empty?
  82                         if (empty($password1)) {
  83                                 // Add a message to the response
  84                                 $responseInstance->addFatalMessage('password1_empty');
  85                         } // END - if
  86
  87                         // Is the confirmation empty?
  88                         if (empty($password2)) {
  89                                 // Add a message to the response
  90                                 $responseInstance->addFatalMessage('password2_empty');
  91                         } // END - if
  92
  93                         // Abort here
  94                         return false;
  95                 } elseif ($password1 != $password2) {
  96                         // Passwords didn't match
  97                         $requestInstance->requestIsValid(false);
  98
  99                         // Add a message to the response
 100                         $responseInstance->addFatalMessage('passwords_mismatching');
 101
 102                         // Abort here
 103                         return false;
 104                 } // END - elseif
 105         }
 106 }
 107
 108 // [EOF]
 109 ?>