From 461be11e8d0f5d4bd879cf95bd1472dbe985e0b6 Mon Sep 17 00:00:00 2001
From: Henry Sudhof <kellanved@phpbb.com>
Date: Fri, 19 Sep 2008 13:17:30 +0000
Subject: Okay, that is pretty raw, but better to have it in place than trying
 to play catch-up. Introducing an early stage of CAPTCHA modules.

git-svn-id: file:///svn/phpbb/trunk@8889 89ea8834-ac86-4346-8a33-228a782c2dd0
---
 phpBB/includes/captcha/captcha_factory.php | 90 ++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100755 phpBB/includes/captcha/captcha_factory.php

(limited to 'phpBB/includes/captcha/captcha_factory.php')

diff --git a/phpBB/includes/captcha/captcha_factory.php b/phpBB/includes/captcha/captcha_factory.php
new file mode 100755
index 0000000000..dfbe605917
--- /dev/null
+++ b/phpBB/includes/captcha/captcha_factory.php
@@ -0,0 +1,90 @@
+<?
+/**
+*
+* @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;
+}
+
+if (!interface_exists('phpbb_captcha_plugin'))
+{
+	include(PHPBB_ROOT_PATH . "includes/captcha/captcha_plugin." . PHP_EXT);
+}
+
+/** A small class until we get the autoloader done */
+class phpbb_captcha_factory
+{
+	/**
+	* return an instance of class $name in file $name_plugin.php
+	*/
+	public static function get_instance($name)
+	{
+		$name = basename($name);
+		if (!class_exists($name))
+		{
+			include(PHPBB_ROOT_PATH . "includes/captcha/plugins/{$name}_plugin." . PHP_EXT);
+		}
+		return call_user_func(array($name, 'get_instance'));
+	}
+	
+	/**
+	* Call the garbage collector
+	*/
+	public static function garbage_collect($name)
+	{
+		$name = basename($name);
+		if (!class_exists($name))
+		{
+			include(PHPBB_ROOT_PATH . "includes/captcha/plugins/{$name}_plugin." . PHP_EXT);
+		}
+		call_user_func(array($name, 'garbage_collect'), 0);
+	}
+	
+	/**
+	* return a list of all discovered CAPTCHA plugins
+	*/
+	public static function get_captcha_types()
+	{
+		$captchas = array();
+		$captchas['available'] = array();
+		$captchas['unavailable'] = array();
+	
+		$dp = @opendir(PHPBB_ROOT_PATH . 'includes/captcha/plugins');
+
+		if ($dp)
+		{
+			while (($file = readdir($dp)) !== false)
+			{
+				if ((preg_match('#_plugin\.' . PHP_EXT . '$#', $file)))
+				{
+					$name = preg_replace('#^(.*?)_plugin\.' . PHP_EXT . '$#', '\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;
+	}
+}
\ No newline at end of file
-- 
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