framework/main/classes/filter/validator/class_PasswordValidatorFilter.php

   1 <?php
   2 // Own namespace
   3 namespace Org\Mxchange\CoreFramework\Filter\Validator\Password;
   4
   5 // Import framework stuff
   6 use Org\Mxchange\CoreFramework\Filter\BaseFilter;
   7 use Org\Mxchange\CoreFramework\Filter\Chain\FilterChainException;
   8 use Org\Mxchange\CoreFramework\Filter\Filterable;
   9 use Org\Mxchange\CoreFramework\Request\Requestable;
  10 use Org\Mxchange\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 if both passwords didn't match.
  15  *
  16  * @author              Roland Haeder <webmaster@shipsimu.org>
  17  * @version             0.0.0
  18  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2021 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 PasswordValidatorFilter extends BaseFilter implements Filterable {
  36         /**
  37          * Protected constructor
  38          *
  39          * @return      void
  40          */
  41         private 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 createPasswordValidatorFilter () {
  52                 // Get a new instance
  53                 $filterInstance = new PasswordValidatorFilter();
  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      FilterChainException    If this filter fails to operate
  66          */
  67         public function execute (Requestable $requestInstance, Responseable $responseInstance) {
  68                 // Get passwords
  69                 $password1 = $requestInstance->getRequestElement('pass1');
  70                 $password2 = $requestInstance->getRequestElement('pass2');
  71
  72                 // Is the password still not set?
  73                 if ((is_null($password1)) || (is_null($password2))) {
  74                         // Not found in form so stop the filtering process
  75                         $requestInstance->requestIsValid(false);
  76
  77                         // Add a message to the response
  78                         $responseInstance->addFatalMessage('password_unset');
  79
  80                         // Abort here
  81                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
  82                 } elseif ((empty($password1)) || (empty($password2))) {
  83                         // Password is empty
  84                         $requestInstance->requestIsValid(false);
  85
  86                         // Is the password empty?
  87                         if (empty($password1)) {
  88                                 // Add a message to the response
  89                                 $responseInstance->addFatalMessage('pass1_empty');
  90                         }
  91
  92                         // Is the confirmation empty?
  93                         if (empty($password2)) {
  94                                 // Add a message to the response
  95                                 $responseInstance->addFatalMessage('pass2_empty');
  96                         }
  97
  98                         // Abort here
  99                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
 100                 } elseif ($password1 != $password2) {
 101                         // Passwords didn't match
 102                         $requestInstance->requestIsValid(false);
 103
 104                         // Add a message to the response
 105                         $responseInstance->addFatalMessage('pass_mismatch');
 106
 107                         // Abort here
 108                         throw new FilterChainException($this, self::EXCEPTION_FILTER_CHAIN_INTERCEPTED);
 109                 } // END - elseif
 110         }
 111
 112 }