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\Filter\Filterable;
   8 use CoreFramework\Factory\ObjectFactory;
   9 use CoreFramework\Registry\Registry;
  10 use CoreFramework\Request\Requestable;
  11 use CoreFramework\Response\Responseable;
  12
  13 /**
  14  * A concrete filter for validating the password. This filter may intercept
  15  * the filter chain if no password is given or the password is invalid
  16  *
  17  * @author              Roland Haeder <webmaster@shipsimu.org>
  18  * @version             0.0.0
  19  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
  20  * @license             GNU GPL 3.0 or any newer version
  21  * @link                http://www.shipsimu.org
  22  *
  23  * This program is free software: you can redistribute it and/or modify
  24  * it under the terms of the GNU General Public License as published by
  25  * the Free Software Foundation, either version 3 of the License, or
  26  * (at your option) any later version.
  27  *
  28  * This program is distributed in the hope that it will be useful,
  29  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  30  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  31  * GNU General Public License for more details.
  32  *
  33  * You should have received a copy of the GNU General Public License
  34  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  35  */
  36 class AccountPasswordVerifierFilter extends BaseFilter implements Filterable {
  37         /**
  38          * Protected constructor
  39          *
  40          * @return      void
  41          */
  42         protected function __construct () {
  43                 // Call parent constructor
  44                 parent::__construct(__CLASS__);
  45         }
  46
  47         /**
  48          * Creates an instance of this filter class
  49          *
  50          * @return      $filterInstance         An instance of this filter class
  51          */
  52         public static final function createAccountPasswordVerifierFilter () {
  53                 // Get a new instance
  54                 $filterInstance = new AccountPasswordVerifierFilter();
  55
  56                 // Return the instance
  57                 return $filterInstance;
  58         }
  59
  60         /**
  61          * Executes the filter with given request and response objects
  62          *
  63          * @param       $requestInstance        An instance of a class with an Requestable interface
  64          * @param       $responseInstance       An instance of a class with an Responseable interface
  65          * @return      void
  66          * @throws      AccountPasswordMismatchException        If the account password does not match
  67          * @throws      FilterChainException                            If this filter fails to operate
  68          * @todo        Rewrite handling of different password fields
  69          */
  70         public function execute (Requestable $requestInstance, Responseable $responseInstance) {
  71                 // Get password
  72                 $password = $requestInstance->getRequestElement('pass_old');
  73
  74                 // Is the password still not set?
  75                 if (is_null($password)) {
  76                         // Get password from alternative location
  77                         $password = $requestInstance->getRequestElement('password');
  78
  79                         // Is the password still not set?
  80                         if (is_null($password)) {
  81                                 // Not found in form so stop the filtering process
  82                                 $requestInstance->requestIsValid(FALSE);
  83
  84                                 // Add a message to the response
  85                                 $responseInstance->addFatalMessage('password_unset');
  86
  87                                 // Abort here
  88                                 throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
  89                         } // END - if
  90                 } // END - if
  91
  92                 if (empty($password)) {
  93                         // Password is empty
  94                         $requestInstance->requestIsValid(FALSE);
  95
  96                         // Add a message to the response
  97                         $responseInstance->addFatalMessage('password_empty');
  98
  99                         // Abort here
 100                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
 101                 } // END - if
 102
 103                 // Get a user instance
 104                 $userInstance = Registry::getRegistry()->getInstance('user');
 105
 106                 // Get current hash
 107                 $currentHash = $userInstance->getField('pass_hash');
 108
 109                 // Get an encryption helper and encrypt the password
 110                 $passHash = ObjectFactory::createObjectByConfiguredName('crypto_class')->hashString($password, $currentHash);
 111
 112                 // Does it match?
 113                 if ($currentHash != $passHash) {
 114                         // Throw an exception here to stop the proccessing
 115                         throw new AccountPasswordMismatchException($this, BaseUser::EXCEPTION_USER_PASS_MISMATCH);
 116                 } // END - if
 117         }
 118
 119 }