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