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;
  28                 global $config, $phpbb_root_path, $phpbb_admin_path, $phpEx;
  29
  30                 $user->add_lang('acp/board');
  31
  32                 include($phpbb_root_path . 'includes/captcha/captcha_factory.' . $phpEx);
  33                 $captchas = phpbb_captcha_factory::get_captcha_types();
  34
  35                 $selected = request_var('select_captcha', $config['captcha_plugin']);
  36                 $selected = (isset($captchas['available'][$selected]) || isset($captchas['unavailable'][$selected])) ? $selected : $config['captcha_plugin'];
  37                 $configure = request_var('configure', false);
  38
  39
  40                 // Oh, they are just here for the view
  41                 if (isset($_GET['captcha_demo']))
  42                 {
  43                         $this->deliver_demo($selected);
  44                 }
  45
  46                 // Delegate
  47                 if ($configure)
  48                 {
  49                         $config_captcha =& phpbb_captcha_factory::get_instance($selected);
  50                         $config_captcha->acp_page($id, $this);
  51                 }
  52                 else
  53                 {
  54                         $config_vars = array(
  55                                 'enable_confirm'                => array('tpl' => 'REG_ENABLE', 'default' => false),
  56                                 'enable_post_confirm'   => array('tpl' => 'POST_ENABLE', 'default' => false),
  57                                 'confirm_refresh'               => array('tpl' => 'CONFIRM_REFRESH', 'default' => false),
  58                                 'max_reg_attempts'              => array('tpl' => 'REG_LIMIT', 'default' => 0),
  59                         );
  60
  61                         $this->tpl_name = 'acp_captcha';
  62                         $this->page_title = 'ACP_VC_SETTINGS';
  63                         $form_key = 'acp_captcha';
  64                         add_form_key($form_key);
  65
  66                         $submit = request_var('main_submit', false);
  67
  68                         if ($submit && check_form_key($form_key))
  69                         {
  70                                 foreach ($config_vars as $config_var => $options)
  71                                 {
  72                                         set_config($config_var, request_var($config_var, $options['default']));
  73                                 }
  74
  75                                 if ($selected !== $config['captcha_plugin'])
  76                                 {
  77                                         // sanity check
  78                                         if (isset($captchas['available'][$selected]))
  79                                         {
  80                                                 $old_captcha =& phpbb_captcha_factory::get_instance($config['captcha_plugin']);
  81                                                 $old_captcha->uninstall();
  82
  83                                                 set_config('captcha_plugin', $selected);
  84                                                 $new_captcha =& phpbb_captcha_factory::get_instance($config['captcha_plugin']);
  85                                                 $new_captcha->install();
  86
  87                                                 add_log('admin', 'LOG_CONFIG_VISUAL');
  88                                         }
  89                                         else
  90                                         {
  91                                                 trigger_error($user->lang['CAPTCHA_UNAVAILABLE'] . adm_back_link($this->u_action));
  92                                         }
  93                                 }
  94                                 trigger_error($user->lang['CONFIG_UPDATED'] . adm_back_link($this->u_action));
  95                         }
  96                         else if ($submit)
  97                         {
  98                                 trigger_error($user->lang['FORM_INVALID'] . adm_back_link());
  99                         }
 100                         else
 101                         {
 102                                 $captcha_select = '';
 103                                 foreach ($captchas['available'] as $value => $title)
 104                                 {
 105                                         $current = ($selected !== false && $value == $selected) ? ' selected="selected"' : '';
 106                                         $captcha_select .= '<option value="' . $value . '"' . $current . '>' . $user->lang[$title] . '</option>';
 107                                 }
 108
 109                                 foreach ($captchas['unavailable'] as $value => $title)
 110                                 {
 111                                         $current = ($selected !== false && $value == $selected) ? ' selected="selected"' : '';
 112                                         $captcha_select .= '<option value="' . $value . '"' . $current . ' class="disabled-option">' . $user->lang[$title] . '</option>';
 113                                 }
 114
 115                                 $demo_captcha =& phpbb_captcha_factory::get_instance($selected);
 116
 117                                 foreach ($config_vars as $config_var => $options)
 118                                 {
 119                                         $template->assign_var($options['tpl'], (isset($_POST[$config_var])) ? request_var($config_var, $options['default']) : $config[$config_var]) ;
 120                                 }
 121
 122                                 $template->assign_vars(array(
 123                                         'CAPTCHA_PREVIEW_TPL'   => $demo_captcha->get_demo_template($id),
 124                                         'S_CAPTCHA_HAS_CONFIG'  => $demo_captcha->has_config(),
 125                                         'CAPTCHA_SELECT'                => $captcha_select,
 126                                 ));
 127                         }
 128                 }
 129         }
 130
 131         /**
 132         * Entry point for delivering image CAPTCHAs in the ACP.
 133         */
 134         function deliver_demo($selected)
 135         {
 136                 global $db, $user, $config;
 137
 138                 $captcha =& phpbb_captcha_factory::get_instance($selected);
 139                 $captcha->init(CONFIRM_REG);
 140                 $captcha->execute_demo();
 141
 142                 garbage_collection();
 143                 exit_handler();
 144         }
 145 }
 146
 147 ?>