Security System Premium

<?php
require_once(WCF_DIR.'lib/acp/form/ACPForm.class.php');


//constants
if(!defined("SECURITY_ACTION")) define("SECURITY_ACTION",1);


/**
 * @author		Peter Fruehwirt
 * @package		de.wbb-security.premium
 * @copyright	www.wbb-security.de 2005-2008 
 */
class SecurityConfigForm extends ACPForm {
	public $templateName = 'securityConfig';
	public $activeMenuItem = 'wcf.acp.menu.link.security.config.system';
	public $neededPermissions = 'admin.security.canEditConfig';

	protected $plugins = array();
	protected $categories = array();

	protected $input = array();
	protected $writeCache = array();

	/**
	 * @see Page::readData()
	 */
	public function readData() {
		parent::readData();

		//require_once(WCF_DIR."lib/system/security/plugins/system/SecurityConfigWriter.class.php");
		//$s = new SecurityConfigWriter();

		$this->readPlugins();
	}

	protected function readPlugins() {
		foreach($this->getPlugins() as $plugin) {

			unset($activePlugin,$config,$fields,$exceptions,$package);
			require(WCF_DIR."lib/system/security/plugins/".$plugin."/config.inc.php");

			$configString = array();
			foreach($config as $key=>$value) {
				$this->input[$key] = $value;
				$configString[] = "'".$key."'";
			}

			if(!in_array($package['category'],$this->categories)) {
				$this->categories[] = $package['category'];
			}

			$this->plugins[$package['category']][$plugin] = array("activePlugin"=>$activePlugin,"config"=>$config,"fields"=>$fields,"package"=>$package,"configString"=>implode(",",$configString));
				$this->input[$plugin] = $activePlugin;
		}
	}

	protected function getPlugins() {
		$plugins = array();

		foreach(scandir(WCF_DIR."lib/system/security/plugins/") as $plugin) {
			if($plugin != "." AND $plugin != ".." AND file_exists(WCF_DIR."lib/system/security/plugins/".$plugin."/config.inc.php")) {
				if(!file_exists(WCF_DIR."lib/system/security/plugins/".$plugin."/__config.lock")) {
					$plugins[] = $plugin;
				}
			}
		}

		return $plugins;
	}

	/**
	 * @see Form::readFormParameters()
	 */
	public function readFormParameters() {
		parent::readFormParameters();

		$this->readPlugins();

		foreach($this->input as $key=>$value) {
			if(!intval($key)) {
				$this->input[$key] = 0;
			}
		}

		if(isset($_POST) AND count($_POST) > 0) {
			foreach($_POST as $key=>$value) {
				if(!intval($key)) {
					$this->input[$key] = $value;
				}
			}
		}

	}

	/**
	 * @see Form::validate()
	 */
	public function validate() {
		parent::validate();

		foreach($this->getPlugins() as $plugin) {
			unset($activePlugin,$config,$fields,$exceptions,$package);
			require(WCF_DIR."lib/system/security/plugins/".$plugin."/config.inc.php");

			if(count($fields) > 0 AND $this->input[$plugin] == 1) {
				foreach($fields as $key=>$options) {
					if(!i