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\Filter\BaseFilter;
   7 use CoreFramework\Factory\ObjectFactory;
   8 use CoreFramework\Registry\Registry;
   9 use CoreFramework\Request\Requestable;
  10 use CoreFramework\Response\Responseable;
  11
  12 /**
  13  * A concrete filter for validating the password. This filter may intercept
  14  * the filter chain if no password is given or the password is invalid
  15  *
  16  * @author              Roland Haeder <webmaster@shipsimu.org>
  17  * @version             0.0.0
  18  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
  19  * @license             GNU GPL 3.0 or any newer version
  20  * @link                http://www.shipsimu.org
  21  *
  22  * This program is free software: you can redistribute it and/or modify
  23  * it under the terms of the GNU General Public License as published by
  24  * the Free Software Foundation, either version 3 of the License, or
  25  * (at your option) any later version.
  26  *
  27  * This program is distributed in the hope that it will be useful,
  28  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  29  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  30  * GNU General Public License for more details.
  31  *
  32  * You should have received a copy of the GNU General Public License
  33  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  34  */
  35 class AccountPasswordVerifierFilter extends BaseFilter implements Filterable {
  36         /**
  37          * Protected constructor
  38          *
  39          * @return      void
  40          */
  41         protected function __construct () {
  42                 // Call parent constructor
  43                 parent::__construct(__CLASS__);
  44         }
  45
  46         /**
  47          * Creates an instance of this filter class
  48          *
  49          * @return      $filterInstance         An instance of this filter class
  50          */
  51         public static final function createAccountPasswordVerifierFilter () {
  52                 // Get a new instance
  53                 $filterInstance = new AccountPasswordVerifierFilter();
  54
  55                 // Return the instance
  56                 return $filterInstance;
  57         }
  58
  59         /**
  60          * Executes the filter with given request and response objects
  61          *
  62          * @param       $requestInstance        An instance of a class with an Requestable interface
  63          * @param       $responseInstance       An instance of a class with an Responseable interface
  64          * @return      void
  65          * @throws      AccountPasswordMismatchException        If the account password does not match
  66          * @throws      FilterChainException                            If this filter fails to operate
  67          * @todo        Rewrite handling of different password fields
  68          */
  69         public function execute (Requestable $requestInstance, Responseable $responseInstance) {
  70                 // Get password
  71                 $password = $requestInstance->getRequestElement('pass_old');
  72
  73                 // Is the password still not set?
  74                 if (is_null($password)) {
  75                         // Get password from alternative location
  76                         $password = $requestInstance->getRequestElement('password');
  77
  78                         // Is the password still not set?
  79                         if (is_null($password)) {
  80                                 // Not found in form so stop the filtering process
  81                                 $requestInstance->requestIsValid(FALSE);
  82
  83                                 // Add a message to the response
  84                                 $responseInstance->addFatalMessage('password_unset');
  85
  86                                 // Abort here
  87                                 throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
  88                         } // END - if
  89                 } // END - if
  90
  91                 if (empty($password)) {
  92                         // Password is empty
  93                         $requestInstance->requestIsValid(FALSE);
  94
  95                         // Add a message to the response
  96                         $responseInstance->addFatalMessage('password_empty');
  97
  98                         // Abort here
  99                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
 100                 } // END - if
 101
 102                 // Get a user instance
 103                 $userInstance = Registry::getRegistry()->getInstance('user');
 104
 105                 // Get current hash
 106                 $currentHash = $userInstance->getField('pass_hash');
 107
 108                 // Get an encryption helper and encrypt the password
 109                 $passHash = ObjectFactory::createObjectByConfiguredName('crypto_class')->hashString($password, $currentHash);
 110
 111                 // Does it match?
 112                 if ($currentHash != $passHash) {
 113                         // Throw an exception here to stop the proccessing
 114                         throw new AccountPasswordMismatchException($this, BaseUser::EXCEPTION_USER_PASS_MISMATCH);
 115                 } // END - if
 116         }
 117
 118 }