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   1  <?php
   2  /**
   3  *
   4  * This file is part of the phpBB Forum Software package.
   5  *
   6  * @copyright (c) phpBB Limited <https://www.phpbb.com>
   7  * @license GNU General Public License, version 2 (GPL-2.0)
   8  *
   9  * For full copyright and license information, please see
  10  * the docs/CREDITS.txt file.
  11  *
  12  */
  13  
  14  /**
  15  * @ignore
  16  */
  17  if (!defined('IN_PHPBB'))
  18  {
  19      exit;
  20  }
  21  
  22  class acp_captcha
  23  {
  24      var $u_action;
  25  
  26  	function main($id, $mode)
  27      {
  28          global $request, $user, $auth, $template;
  29          global $config, $phpbb_root_path, $phpbb_admin_path, $phpEx, $phpbb_container;
  30  
  31          $user->add_lang('acp/board');
  32  
  33          $factory = $phpbb_container->get('captcha.factory');
  34          $captchas = $factory->get_captcha_types();
  35  
  36          $selected = request_var('select_captcha', $config['captcha_plugin']);
  37          $selected = (isset($captchas['available'][$selected]) || isset($captchas['unavailable'][$selected])) ? $selected : $config['captcha_plugin'];
  38          $configure = request_var('configure', false);
  39  
  40          // Oh, they are just here for the view
  41          if (isset($_GET['captcha_demo']))
  42          {
  43              $this->deliver_demo($selected);
  44          }
  45  
  46          // Delegate
  47          if ($configure)
  48          {
  49              $config_captcha = $factory->get_instance($selected);
  50              $config_captcha->acp_page($id, $this);
  51          }
  52          else
  53          {
  54              $config_vars = array(
  55                  'enable_confirm'        => array(
  56                      'tpl'        => 'REG_ENABLE',
  57                      'default'    => false,
  58                      'validate'    => 'bool',
  59                      'lang'        => 'VISUAL_CONFIRM_REG',
  60                  ),
  61                  'enable_post_confirm'    => array(
  62                      'tpl'        => 'POST_ENABLE',
  63                      'default'    => false,
  64                      'validate'    => 'bool',
  65                      'lang'        => 'VISUAL_CONFIRM_POST',
  66                  ),
  67                  'confirm_refresh'        => array(
  68                      'tpl'        => 'CONFIRM_REFRESH',
  69                      'default'    => false,
  70                      'validate'    => 'bool',
  71                      'lang'        => 'VISUAL_CONFIRM_REFRESH',
  72                  ),
  73                  'max_reg_attempts'        => array(
  74                      'tpl'        => 'REG_LIMIT',
  75                      'default'    => 0,
  76                      'validate'    => 'int:0:99999',
  77                      'lang'        => 'REG_LIMIT',
  78                  ),
  79                  'max_login_attempts'    => array(
  80                      'tpl'        => 'MAX_LOGIN_ATTEMPTS',
  81                      'default'    => 0,
  82                      'validate'    => 'int:0:99999',
  83                      'lang'        => 'MAX_LOGIN_ATTEMPTS',
  84                  ),
  85              );
  86  
  87              $this->tpl_name = 'acp_captcha';
  88              $this->page_title = 'ACP_VC_SETTINGS';
  89              $form_key = 'acp_captcha';
  90              add_form_key($form_key);
  91  
  92              $submit = request_var('main_submit', false);
  93              $error = $cfg_array = array();
  94  
  95              if ($submit)
  96              {
  97                  foreach ($config_vars as $config_var => $options)
  98                  {
  99                      $cfg_array[$config_var] = $request->variable($config_var, $options['default']);
 100                  }
 101                  validate_config_vars($config_vars, $cfg_array, $error);
 102  
 103                  if (!check_form_key($form_key))
 104                  {
 105                      $error[] = $user->lang['FORM_INVALID'];
 106                  }
 107                  if ($error)
 108                  {
 109                      $submit = false;
 110                  }
 111              }
 112  
 113              if ($submit)
 114              {
 115                  foreach ($cfg_array as $key => $value)
 116                  {
 117                      $config->set($key, $value);
 118                  }
 119  
 120                  if ($selected !== $config['captcha_plugin'])
 121                  {
 122                      // sanity check
 123                      if (isset($captchas['available'][$selected]))
 124                      {
 125                          $old_captcha = $factory->get_instance($config['captcha_plugin']);
 126                          $old_captcha->uninstall();
 127  
 128                          set_config('captcha_plugin', $selected);
 129                          $new_captcha = $factory->get_instance($config['captcha_plugin']);
 130                          $new_captcha->install();
 131  
 132                          add_log('admin', 'LOG_CONFIG_VISUAL');
 133                      }
 134                      else
 135                      {
 136                          trigger_error($user->lang['CAPTCHA_UNAVAILABLE'] . adm_back_link($this->u_action), E_USER_WARNING);
 137                      }
 138                  }
 139                  trigger_error($user->lang['CONFIG_UPDATED'] . adm_back_link($this->u_action));
 140              }
 141              else
 142              {
 143                  $captcha_select = '';
 144                  foreach ($captchas['available'] as $value => $title)
 145                  {
 146                      $current = ($selected !== false && $value == $selected) ? ' selected="selected"' : '';
 147                      $captcha_select .= '<option value="' . $value . '"' . $current . '>' . $user->lang($title) . '</option>';
 148                  }
 149  
 150                  foreach ($captchas['unavailable'] as $value => $title)
 151                  {
 152                      $current = ($selected !== false && $value == $selected) ? ' selected="selected"' : '';
 153                      $captcha_select .= '<option value="' . $value . '"' . $current . ' class="disabled-option">' . $user->lang($title) . '</option>';
 154                  }
 155  
 156                  $demo_captcha = $factory->get_instance($selected);
 157  
 158                  foreach ($config_vars as $config_var => $options)
 159                  {
 160                      $template->assign_var($options['tpl'], (isset($_POST[$config_var])) ? request_var($config_var, $options['default']) : $config[$config_var]) ;
 161                  }
 162  
 163                  $template->assign_vars(array(
 164                      'CAPTCHA_PREVIEW_TPL'    => $demo_captcha->get_demo_template($id),
 165                      'S_CAPTCHA_HAS_CONFIG'    => $demo_captcha->has_config(),
 166                      'CAPTCHA_SELECT'        => $captcha_select,
 167                      'ERROR_MSG'                => implode('<br />', $error),
 168  
 169                      'U_ACTION'                => $this->u_action,
 170                  ));
 171              }
 172          }
 173      }
 174  
 175      /**
 176      * Entry point for delivering image CAPTCHAs in the ACP.
 177      */
 178  	function deliver_demo($selected)
 179      {
 180          global $db, $user, $config, $phpbb_container;
 181  
 182          $captcha = $phpbb_container->get('captcha.factory')->get_instance($selected);
 183          $captcha->init(CONFIRM_REG);
 184          $captcha->execute_demo();
 185  
 186          garbage_collection();
 187          exit_handler();
 188      }
 189  }