<?php
/**
 * $Id: httprequesthandler.class.php,v 1.1 2004/08/30 21:50:06 bbisaillon Exp $
 * PHP Web Toolkit Version 1.0.2 Alpha
 *
 * @package phpwebtk
 */
/**
 * class HttpRequestHandler
 *
 * This class handles requests it is responsible for and can access its
 * successor. If this class can handle the request, it does so; otherwise it
 * it forwards the request to its successor.
 *
 * @author Brian Bisaillon <hide@address.com>
 * @copyright Copyright (C) 2004 by Brian Bisaillon
 * @package phpwebtk
 * @subpackage textprocessing
 */
class HttpRequestHandler extends RequestHandler {
    /**
     * function AddSlashesDeep
     *
     * This method enables magic quotes at runtime. Magic-quotes was added to
     * reduce code written by beginners from being dangerous.
     *
     * @access private
     * @param request HTTP GET or HTTP POST request
     * @return request Modified HTTP GET or HTTP POST request
     */
    private function AddSlashesDeep(&$request) {
        if (is_array($request)) {
            $request = array_map(array(&$this, 'AddSlashesDeep'), $request);
        } else {
            $request = addslashes($request);
        }
        return($request);
    }
    /**
     * function StripSlashesDeep
     *
     * This method disables magic quotes at runtime. If you disable magic
     * quotes, you must be very careful to protect yourself from SQL injection
     * attacks.
     *
     * @access private
     * @param request HTTP GET or HTTP POST request
     * @return request Modified HTTP GET or HTTP POST request
     */
    private function StripSlashesDeep(&$request) {
        if (is_array($request)) {
            $request = array_map(array(&$this, 'StripSlashesDeep'), $request);
        } else {
            $request = stripslashes($request);
        }
        return($request);
    }
    /**
     * function HandleRequest
     *
     * This method processes the request if certain conditions are met.
     *
     * @access public
     * @param Request Request object
     */
    public function HandleRequest(Request &$Request) {
        if (TRUE !== get_magic_quotes_gpc()) {
            if (isset($Request->HTTP_GET)) {
                $Request->SetProperty('HTTP_GET', array_map(array(&$this, 'AddSlashesDeep'), $Request->HTTP_GET));
            }
            if (isset($Request->HTTP_POST)) {
                $Request->SetProperty('HTTP_POST', array_map(array(&$this, 'AddSlashesDeep'), $Request->HTTP_POST));
            }
        } else if (get_magic_quotes_gpc()) {
            if (isset($Request->HTTP_GET)) {
                $Request->SetProperty('HTTP_GET', array_map(array(&$this, 'StripSlashesDeep'), $Request->HTTP_GET));
            }
            if (isset($Request->HTTP_POST)) {
                $Request->SetProperty('HTTP_POST', array_map(array(&$this, 'StripSlashesDeep'), $Request->HTTP_POST));
            }
        }
        if (TRUE !== empty($this->Successor)) {
            $this->Successor->HandleRequest($Request);
        }
    }
}
?>