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
---
 .../captcha/plugins/phpbb_captcha_gd_plugin.php    | 101 +++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100755 phpBB/includes/captcha/plugins/phpbb_captcha_gd_plugin.php

(limited to 'phpBB/includes/captcha/plugins/phpbb_captcha_gd_plugin.php')

diff --git a/phpBB/includes/captcha/plugins/phpbb_captcha_gd_plugin.php b/phpBB/includes/captcha/plugins/phpbb_captcha_gd_plugin.php
new file mode 100755
index 0000000000..e4f0bff87e
--- /dev/null
+++ b/phpBB/includes/captcha/plugins/phpbb_captcha_gd_plugin.php
@@ -0,0 +1,101 @@
+<?
+/**
+*
+* @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
+*/
+include_once(PHPBB_ROOT_PATH . "includes/captcha/plugins/captcha_abstract." . PHP_EXT);
+
+class phpbb_captcha_gd extends phpbb_default_captcha implements phpbb_captcha_plugin
+{
+
+	function __construct()
+	{
+		include_once(PHPBB_ROOT_PATH . "includes/captcha/captcha_gd." . PHP_EXT);
+	}
+	
+	public static function get_instance()
+	{
+		return new phpbb_captcha_gd();
+	}
+
+	static function is_available()
+	{
+		return (@extension_loaded('gd') || can_load_dll('gd'));
+	}
+	
+	static function get_name()
+	{
+		return 'CAPTCHA_GD';
+	}
+	
+	static function get_class_name()
+	{
+		return 'phpbb_captcha_gd';
+	}
+		
+	function acp_page($id, &$module)
+	{
+		global $config, $db, $template, $user;
+		
+		$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'
+		);
+
+		$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))
+		{
+			$captcha_vars = array_keys($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($module->u_action));
+		}
+		else if ($submit)
+		{
+			trigger_error($user->lang['FORM_INVALID'] . adm_back_link($module->u_action));
+		}
+		else
+		{
+			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);
+			}
+			$template->assign_vars(array(
+				'CAPTCHA_PREVIEW'	=> $this->get_demo_template($id),
+				'CAPTCHA_NAME'		=> $this->get_class_name(),
+			));
+
+		}
+	}
+}
+
-- 
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