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<?php
/**
*
* @package VC
* @version $Id$
* @copyright (c) 2006, 2008 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
/**
* Placeholder for autoload
*/
if (!class_exists('phpbb_default_captcha'))
{
include($phpbb_root_path . 'includes/captcha/plugins/captcha_abstract.' . $phpEx);
}
/**
* @package VC
*/
class phpbb_captcha_gd extends phpbb_default_captcha
{
var $captcha_vars = array(
'captcha_gd_x_grid' => 'CAPTCHA_GD_X_GRID',
'captcha_gd_y_grid' => 'CAPTCHA_GD_Y_GRID',
'captcha_gd_foreground_noise' => 'CAPTCHA_GD_FOREGROUND_NOISE',
// 'captcha_gd' => 'CAPTCHA_GD_PREVIEWED',
'captcha_gd_wave' => 'CAPTCHA_GD_WAVE',
'captcha_gd_3d_noise' => 'CAPTCHA_GD_3D_NOISE',
'captcha_gd_fonts' => 'CAPTCHA_GD_FONTS',
);
function phpbb_captcha_gd()
{
global $phpbb_root_path, $phpEx;
if (!class_exists('captcha'))
{
include($phpbb_root_path . 'includes/captcha/captcha_gd.' . $phpEx);
}
}
function &get_instance()
{
$instance =& new phpbb_captcha_gd();
return $instance;
}
function is_available()
{
global $phpbb_root_path, $phpEx;
if (@extension_loaded('gd'))
{
return true;
}
if (!function_exists('can_load_dll'))
{
include($phpbb_root_path . 'includes/functions_install.' . $phpEx);
}
return can_load_dll('gd');
}
/**
* API function
*/
function has_config()
{
return true;
}
function get_name()
{
return 'CAPTCHA_GD';
}
function get_class_name()
{
return 'phpbb_captcha_gd';
}
function acp_page($id, &$module)
{
global $db, $user, $auth, $template;
global $config, $phpbb_root_path, $phpbb_admin_path, $phpEx;
$user->add_lang('acp/board');
$config_vars = array(
'enable_confirm' => 'REG_ENABLE',
'enable_post_confirm' => 'POST_ENABLE',
'confirm_refresh' => 'CONFIRM_REFRESH',
'captcha_gd' => 'CAPTCHA_GD',
);
$module->tpl_name = 'captcha_gd_acp';
$module->page_title = 'ACP_VC_SETTINGS';
$form_key = 'acp_captcha';
add_form_key($form_key);
$submit = request_var('submit', '');
if ($submit && check_form_key($form_key))
{
$captcha_vars = array_keys($this->captcha_vars);
foreach ($captcha_vars as $captcha_var)
{
$value = request_var($captcha_var, 0);
if ($value >= 0)
{
set_config($captcha_var, $value);
}
}
add_log('admin', 'LOG_CONFIG_VISUAL');
trigger_error($user->lang['CONFIG_UPDATED'] . adm_back_link($module->u_action));
}
else if ($submit)
{
trigger_error($user->lang['FORM_INVALID'] . adm_back_link($module->u_action));
}
else
{
foreach ($this->captcha_vars as $captcha_var => $template_var)
{
$var = (isset($_REQUEST[$captcha_var])) ? request_var($captcha_var, 0) : $config[$captcha_var];
$template->assign_var($template_var, $var);
}
$template->assign_vars(array(
'CAPTCHA_PREVIEW' => $this->get_demo_template($id),
'CAPTCHA_NAME' => $this->get_class_name(),
'U_ACTION' => $module->u_action,
));
}
}
function execute_demo()
{
global $config;
$config_old = $config;
foreach ($this->captcha_vars as $captcha_var => $template_var)
{
$config[$captcha_var] = request_var($captcha_var, (int) $config[$captcha_var]);
}
parent::execute_demo();
$config = $config_old;
}
}
?>
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