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