inc/main/classes/filter/verifier/class_AccountPasswordVerifierFilter.php

   1 <?php
   2 // Own namespace
   3 namespace CoreFramework\Filter\Verifier\Password;
   4
   5 // Import framework stuff
   6 use CoreFramework\Factory\ObjectFactory;
   7 use CoreFramework\Registry\Generic\Registry;
   8
   9 /**
  10  * A concrete filter for validating the password. This filter may intercept
  11  * the filter chain if no password is given or the password is invalid
  12  *
  13  * @author              Roland Haeder <webmaster@shipsimu.org>
  14  * @version             0.0.0
  15  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
  16  * @license             GNU GPL 3.0 or any newer version
  17  * @link                http://www.shipsimu.org
  18  *
  19  * This program is free software: you can redistribute it and/or modify
  20  * it under the terms of the GNU General Public License as published by
  21  * the Free Software Foundation, either version 3 of the License, or
  22  * (at your option) any later version.
  23  *
  24  * This program is distributed in the hope that it will be useful,
  25  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  26  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  27  * GNU General Public License for more details.
  28  *
  29  * You should have received a copy of the GNU General Public License
  30  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  31  */
  32 class AccountPasswordVerifierFilter extends BaseFilter implements Filterable {
  33         /**
  34          * Protected constructor
  35          *
  36          * @return      void
  37          */
  38         protected function __construct () {
  39                 // Call parent constructor
  40                 parent::__construct(__CLASS__);
  41         }
  42
  43         /**
  44          * Creates an instance of this filter class
  45          *
  46          * @return      $filterInstance         An instance of this filter class
  47          */
  48         public static final function createAccountPasswordVerifierFilter () {
  49                 // Get a new instance
  50                 $filterInstance = new AccountPasswordVerifierFilter();
  51
  52                 // Return the instance
  53                 return $filterInstance;
  54         }
  55
  56         /**
  57          * Executes the filter with given request and response objects
  58          *
  59          * @param       $requestInstance        An instance of a class with an Requestable interface
  60          * @param       $responseInstance       An instance of a class with an Responseable interface
  61          * @return      void
  62          * @throws      AccountPasswordMismatchException        If the account password does not match
  63          * @throws      FilterChainException                            If this filter fails to operate
  64          * @todo        Rewrite handling of different password fields
  65          */
  66         public function execute (Requestable $requestInstance, Responseable $responseInstance) {
  67                 // Get password
  68                 $password = $requestInstance->getRequestElement('pass_old');
  69
  70                 // Is the password still not set?
  71                 if (is_null($password)) {
  72                         // Get password from alternative location
  73                         $password = $requestInstance->getRequestElement('password');
  74
  75                         // Is the password still not set?
  76                         if (is_null($password)) {
  77                                 // Not found in form so stop the filtering process
  78                                 $requestInstance->requestIsValid(FALSE);
  79
  80                                 // Add a message to the response
  81                                 $responseInstance->addFatalMessage('password_unset');
  82
  83                                 // Abort here
  84                                 throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
  85                         } // END - if
  86                 } // END - if
  87
  88                 if (empty($password)) {
  89                         // Password is empty
  90                         $requestInstance->requestIsValid(FALSE);
  91
  92                         // Add a message to the response
  93                         $responseInstance->addFatalMessage('password_empty');
  94
  95                         // Abort here
  96                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
  97                 } // END - if
  98
  99                 // Get a user instance
 100                 $userInstance = Registry::getRegistry()->getInstance('user');
 101
 102                 // Get current hash
 103                 $currentHash = $userInstance->getField('pass_hash');
 104
 105                 // Get an encryption helper and encrypt the password
 106                 $passHash = ObjectFactory::createObjectByConfiguredName('crypto_class')->hashString($password, $currentHash);
 107
 108                 // Does it match?
 109                 if ($currentHash != $passHash) {
 110                         // Throw an exception here to stop the proccessing
 111                         throw new AccountPasswordMismatchException($this, BaseUser::EXCEPTION_USER_PASS_MISMATCH);
 112                 } // END - if
 113         }
 114
 115 }