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php-phpbb/phpBB/includes/captcha/captcha_factory.php
2012-11-06 16:43:48 -05:00

98 lines
2.1 KiB
PHP

<?php
/**
*
* @package VC
* @copyright (c) 2008 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/
/**
* @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 $name_plugin.php
*/
static public function get_instance($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, $phpbb_extension_manager;
$captchas = array(
'available' => array(),
'unavailable' => array(),
);
$finder = $phpbb_extension_manager->get_finder();
$captcha_plugin_classes = $finder
->extension_directory('/captcha')
->suffix('_plugin')
->core_path('includes/captcha/plugins/')
->get_classes();
foreach ($captcha_plugin_classes as $class)
{
// check if this class needs to be loaded in legacy mode
$old_class = preg_replace('/^phpbb_captcha_plugins_/', '', $class);
if (file_exists($phpbb_root_path . "includes/captcha/plugins/$old_class.$phpEx") && !class_exists($old_class))
{
include($phpbb_root_path . "includes/captcha/plugins/$old_class.$phpEx");
$class = preg_replace('/_plugin$/', '', $old_class);
}
if (call_user_func(array($class, 'is_available')))
{
$captchas['available'][$class] = call_user_func(array($class, 'get_name'));
}
else
{
$captchas['unavailable'][$class] = call_user_func(array($class, 'get_name'));
}
}
return $captchas;
}
}