<?php
/**
 * HTTP request class
 *
 * $Id$
 *
 * @author gERD Schaufelberger <gerd@php-tools.net>
 * @license PHP License
 * @package WB
 * @subpackage base
 */

WBClass::load( 'WBRequest' );

/**
 * HTTP request class
 *
 * Collect HTTP request data and check protocol
 *
 * @version 1.0.0
 * @package WB
 * @subpackage base
 */
class WBRequest_Http extends WBRequest
{
   /**
    * constructor
    *
    * - Collect request parameter from GET and POST (not COOKIES!)
    * - Import meta data from $_SERVER
    * - Set path to $_SERVER['PATH_INFO']
    * - Check for HTTPS
    */
    public function __construct()
    {
        parent::__construct();

        $import	=   $_REQUEST;

        $this->import($import);
        $this->_meta =  $_SERVER;
        
        if(!empty($_SERVER['PATH_INFO'])) {
            $this->_path = $_SERVER['PATH_INFO'];
        }
        else if( $this->has('path')) {
            $this->_path = $this->get('path');
        }

        $this->protocol =   WBParam::get('wb/request/http/protocol/default','http');
        if (isset($_SERVER['HTTPS']) && !empty($_SERVER['HTTPS'])) {
            $this->protocol     =   'https';
            $this->encryption   =   'ssl';
        }
    }

	/**
	 * Strip slashes recusively
	 * 
	 * @deprecated as magic quotes is no longer supported in PHP 7
	 * @param array $list
	 */
	protected function stripSlashes(&$list)
	{
		foreach ($list as &$l) {
			if (is_string($l)) {
				$l	=	stripslashes($l);
			}
			else if (is_array($l)) {
				$this->stripSlashes($l);
			}
		}
	}

   /**
    * receive raw request data
    *
    * Support for compressed raw body content.
    * This actually extends the capabilities of browsers
    *
    * @return string
    */
    public function getRaw()
    {
        $encoding   =   $this->getMeta('HTTP_CONTENT_ENCODING');

        // deflate
        if ($encoding == 'deflate') {
            return gzinflate(file_get_contents('php://input'));
        }

        // gzip
        if ($encoding == 'gzip') {
            $stream =   gzopen('php://input', 'r');
            return stream_get_contents($stream);
        }

        // stream
        return file_get_contents('php://input');
    }
}