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, 2009 - 2011 Core Developer Team
   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
  36         /**
  37          * Creates an instance of this filter class
  38          *
  39          * @return      $filterInstance                 An instance of this filter class
  40          */
  41         public static final function createPasswordValidatorFilter () {
  42                 // Get a new instance
  43                 $filterInstance = new PasswordValidatorFilter();
  44
  45                 // Return the instance
  46                 return $filterInstance;
  47         }
  48
  49         /**
  50          * Executes the filter with given request and response objects
  51          *
  52          * @param       $requestInstance        An instance of a class with an Requestable interface
  53          * @param       $responseInstance       An instance of a class with an Responseable interface
  54          * @return      void
  55          * @throws      FilterChainException    If this filter fails to operate
  56          */
  57         public function execute (Requestable $requestInstance, Responseable $responseInstance) {
  58                 // Get passwords
  59                 $password1 = $requestInstance->getRequestElement('pass1');
  60                 $password2 = $requestInstance->getRequestElement('pass2');
  61
  62                 // Is the password still not set?
  63                 if ((is_null($password1)) || (is_null($password2))) {
  64                         // Not found in form so stop the filtering process
  65                         $requestInstance->requestIsValid(false);
  66
  67                         // Add a message to the response
  68                         $responseInstance->addFatalMessage('password_unset');
  69
  70                         // Abort here
  71                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
  72                 } elseif ((empty($password1)) || (empty($password2))) {
  73                         // Password is empty
  74                         $requestInstance->requestIsValid(false);
  75
  76                         // Is the password empty?
  77                         if (empty($password1)) {
  78                                 // Add a message to the response
  79                                 $responseInstance->addFatalMessage('pass1_empty');
  80                         } // END - if
  81
  82                         // Is the confirmation empty?
  83                         if (empty($password2)) {
  84                                 // Add a message to the response
  85                                 $responseInstance->addFatalMessage('pass2_empty');
  86                         } // END - if
  87
  88                         // Abort here
  89                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
  90                 } elseif ($password1 != $password2) {
  91                         // Passwords didn't match
  92                         $requestInstance->requestIsValid(false);
  93
  94                         // Add a message to the response
  95                         $responseInstance->addFatalMessage('pass_mismatch');
  96
  97                         // Abort here
  98                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
  99                 } // END - elseif
 100         }
 101 }
 102
 103 // [EOF]
 104 ?>