/**

*

* @package acp

* @version $Id: acp_captcha.php 8722 2008-07-29 15:13:13Z Kellanved $

* @copyright (c) 2005 phpBB Group

* @license http://opensource.org/licenses/gpl-license.php GNU Public License

*/

/**

* @ignore

*/

if (!defined('IN_PHPBB'))

{

	exit;

}

/**

* @package acp

*/

class acp_captcha

{

	var $u_action;

	function main($id, $mode)

	{

		global $db, $user, $auth, $template;

		global $config, $phpbb_root_path, $phpbb_admin_path, $phpEx;

		$user->add_lang('acp/board');

		$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'

		);

		if (isset($_GET['demo']))

		{

			$captcha_vars = array_keys($captcha_vars);

			foreach ($captcha_vars as $captcha_var)

			{

				$config[$captcha_var] = (isset($_REQUEST[$captcha_var])) ? request_var($captcha_var, 0) : $config[$captcha_var];

			}

			if ($config['captcha_gd'])

			{

				include($phpbb_root_path . 'includes/captcha/captcha_gd.' . $phpEx);

			}

			else

			{

				include($phpbb_root_path . 'includes/captcha/captcha_non_gd.' . $phpEx);

			}

			$captcha = new captcha();

			$captcha->execute(gen_rand_string(mt_rand(5, 8)), time());

			exit;

		}

		$config_vars = array(

			'enable_confirm'		=> 'REG_ENABLE',

			'enable_post_confirm'	=> 'POST_ENABLE',

			'captcha_gd'			=> 'CAPTCHA_GD',

		);

		$this->tpl_name = 'acp_captcha';

		$this->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))

		{

			$config_vars = array_keys($config_vars);

			foreach ($config_vars as $config_var)

			{

				set_config($config_var, request_var($config_var, ''));

			}

			$captcha_vars = array_keys($captcha_vars);

			foreach ($captcha_vars as $captcha_var)

			{

				$value = request_var($captcha_var, 0);

				if ($value >= 0)

				{

					set_config($captcha_var, $value);

				}

			}

			trigger_error($user->lang['CONFIG_UPDATED'] . adm_back_link($this->u_action));

		}

		else if ($submit)

		{

				trigger_error($user->lang['FORM_INVALID'] . adm_back_link($this->u_action));

		}

		else

		{

			$preview_image_src = append_sid(append_sid("{$phpbb_admin_path}index.$phpEx", "i=$id&demo=demo"));

			if (@extension_loaded('gd'))

			{

				$template->assign_var('GD', true);

			}

			foreach ($config_vars as $config_var => $template_var)

			{

				$template->assign_var($template_var, (isset($_REQUEST[$config_var])) ? request_var($config_var, '') : $config[$config_var]) ;

			}

			foreach ($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);

				$preview_image_src .= "&$captcha_var=" . $var;

			}

			$template->assign_vars(array(

				'CAPTCHA_PREVIEW'	=> $preview_image_src,

				'PREVIEW'			=> isset($_POST['preview']),

			));

		}

	}

}

?>