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

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