phpBB/includes/acp/acp_captcha.php

   1 <?php
   2 /**
   3 *
   4 * @package acp
   5 * @version $Id$
   6 * @copyright (c) 2005 phpBB Group
   7 * @license http://opensource.org/licenses/gpl-license.php GNU Public License
   8 */
   9
  10 /**
  11 * @ignore
  12 */
  13 if (!defined('IN_PHPBB'))
  14 {
  15         exit;
  16 }
  17
  18 /**
  19 * @package acp
  20 */
  21 class acp_captcha
  22 {
  23         var $u_action;
  24
  25         function main($id, $mode)
  26         {
  27                 global $db, $user, $auth, $template, $config;
  28
  29                 $user->add_lang('acp/board');
  30
  31
  32                 $captcha_vars = array(
  33                         'captcha_gd_x_grid'                             => 'CAPTCHA_GD_X_GRID',
  34                         'captcha_gd_y_grid'                             => 'CAPTCHA_GD_Y_GRID',
  35                         'captcha_gd_foreground_noise'   => 'CAPTCHA_GD_FOREGROUND_NOISE',
  36                         'captcha_gd'                                    => 'CAPTCHA_GD_PREVIEWED'
  37                 );
  38
  39                 if (isset($_GET['demo']))
  40                 {
  41                         $captcha_vars = array_keys($captcha_vars);
  42                         foreach ($captcha_vars as $captcha_var)
  43                         {
  44                                 $config[$captcha_var] = (isset($_REQUEST[$captcha_var])) ? request_var($captcha_var, 0) : $config[$captcha_var];
  45                         }
  46
  47                         if ($config['captcha_gd'])
  48                         {
  49                                 include(PHPBB_ROOT_PATH . 'includes/captcha/captcha_gd.' . PHP_EXT);
  50                         }
  51                         else
  52                         {
  53                                 include(PHPBB_ROOT_PATH . 'includes/captcha/captcha_non_gd.' . PHP_EXT);
  54                         }
  55                         captcha::execute(gen_rand_string(mt_rand(5, 8)), time());
  56                         exit;
  57                 }
  58
  59                 $config_vars = array(
  60                         'enable_confirm'                => 'REG_ENABLE',
  61                         'enable_post_confirm'   => 'POST_ENABLE',
  62                         'captcha_gd'                    => 'CAPTCHA_GD',
  63                 );
  64
  65                 $this->tpl_name = 'acp_captcha';
  66                 $this->page_title = 'ACP_VC_SETTINGS';
  67                 $form_key = 'acp_captcha';
  68                 add_form_key($form_key);
  69
  70                 $submit = request_var('submit', '');
  71
  72                 if ($submit && check_form_key($form_key))
  73                 {
  74                         $config_vars = array_keys($config_vars);
  75                         foreach ($config_vars as $config_var)
  76                         {
  77                                 set_config($config_var, request_var($config_var, ''));
  78                         }
  79                         $captcha_vars = array_keys($captcha_vars);
  80                         foreach ($captcha_vars as $captcha_var)
  81                         {
  82                                 set_config($captcha_var, request_var($captcha_var, 0));
  83                         }
  84                         trigger_error($user->lang['CONFIG_UPDATED'] . adm_back_link($this->u_action));
  85                 }
  86                 else if ($submit)
  87                 {
  88                                 trigger_error($user->lang['FORM_INVALID'] . adm_back_link($this->u_action));
  89                 }
  90                 else
  91                 {
  92
  93                         $preview_image_src = append_sid(append_sid(PHPBB_ADMIN_PATH . 'index.' . PHP_EXT, "i=$id&amp;demo=demo"));
  94                         if (@extension_loaded('gd'))
  95                         {
  96                                 $template->assign_var('GD', true);
  97                         }
  98                         foreach ($config_vars as $config_var => $template_var)
  99                         {
 100                                 $template->assign_var($template_var, (isset($_REQUEST[$config_var])) ? request_var($config_var, '') : $config[$config_var]) ;
 101                         }
 102                         foreach ($captcha_vars as $captcha_var => $template_var)
 103                         {
 104                                 $var = (isset($_REQUEST[$captcha_var])) ? request_var($captcha_var, 0) : $config[$captcha_var];
 105                                 $template->assign_var($template_var, $var);
 106                                 $preview_image_src .= "&amp;$captcha_var=" . $var;
 107                         }
 108                         $template->assign_vars(array(
 109                                 'CAPTCHA_PREVIEW'       => $preview_image_src,
 110                                 'PREVIEW'                       => isset($_POST['preview']),
 111                         ));
 112
 113                 }
 114         }
 115 }
 116
 117 ?>