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<?php
/**
*
* @package VC
* @version $Id$
* @copyright (c) 2008 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
/**
* A small class for 3.0.x (no autoloader in 3.0.x)
*
* @package VC
*/
class phpbb_captcha_factory
{
/**
* return an instance of class $name in file $name_plugin.php
*/
function &get_instance($name)
{
global $phpbb_root_path, $phpEx;
$name = basename($name);
if (!class_exists($name))
{
include($phpbb_root_path . "includes/captcha/plugins/{$name}_plugin." . $phpEx);
}
$instance = call_user_func(array($name, 'get_instance'));
return $instance;
}
/**
* Call the garbage collector
*/
function garbage_collect($name)
{
global $phpbb_root_path, $phpEx;
$name = basename($name);
if (!class_exists($name))
{
include($phpbb_root_path . "includes/captcha/plugins/{$name}_plugin." . $phpEx);
}
call_user_func(array($name, 'garbage_collect'), 0);
}
/**
* return a list of all discovered CAPTCHA plugins
*/
function get_captcha_types()
{
global $phpbb_root_path, $phpEx;
$captchas = array(
'available' => array(),
'unavailable' => array(),
);
$dp = @opendir($phpbb_root_path . 'includes/captcha/plugins');
if ($dp)
{
while (($file = readdir($dp)) !== false)
{
if ((preg_match('#_plugin\.' . $phpEx . '$#', $file)))
{
$name = preg_replace('#^(.*?)_plugin\.' . $phpEx . '$#', '\1', $file);
if (!class_exists($name))
{
include($phpbb_root_path . "includes/captcha/plugins/$file");
}
if (call_user_func(array($name, 'is_available')))
{
$captchas['available'][$name] = call_user_func(array($name, 'get_name'));
}
else
{
$captchas['unavailable'][$name] = call_user_func(array($name, 'get_name'));
}
}
}
closedir($dp);
}
return $captchas;
}
}
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