<?php
/*
 * Author - Rob Thomson <rob@marotori.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

session_start();
ob_start();

$url = $_GET["url"];

if($_SERVER['HTTPS'] == 'on'){
	$mydomain = 'https://'.$_SERVER['HTTP_HOST'];
} else {
	$mydomain = 'http://'.$_SERVER['HTTP_HOST'];
}

// Open the cURL session
$curlSession = curl_init();

curl_setopt ($curlSession, CURLOPT_URL, $url);
curl_setopt ($curlSession, CURLOPT_HEADER, 1);


if($_SERVER['REQUEST_METHOD'] == 'POST'){
	curl_setopt ($curlSession, CURLOPT_POST, 1);
	curl_setopt ($curlSession, CURLOPT_POSTFIELDS, $_POST);
}

curl_setopt($curlSession, CURLOPT_RETURNTRANSFER,1);
curl_setopt($curlSession, CURLOPT_TIMEOUT,30);
curl_setopt($curlSession, CURLOPT_SSL_VERIFYHOST, 1);
curl_setopt ($curlSession, CURLOPT_COOKIEJAR, $ckfile); 
curl_setopt ($curlSession, CURLOPT_COOKIEFILE, $ckfile);

//handle other cookies cookies
foreach($_COOKIE as $k=>$v){
	if(is_array($v)){
		$v = serialize($v);
	}
	curl_setopt($curlSession,CURLOPT_COOKIE,"$k=$v; domain=.$cookiedomain ; path=/");
}

//Send the request and store the result in an array
$response = curl_exec ($curlSession);

// Check that a connection was made
if (curl_error($curlSession)){
        // If it wasn't...
        print curl_error($curlSession);
} else {

	//clean duplicate header that seems to appear on fastcgi with output buffer on some servers!!
	$response = str_replace("HTTP/1.1 100 Continue\r\n\r\n","",$response);

	$ar = explode("\r\n\r\n", $response, 2); 


	$header = $ar[0];
	$body = $ar[1];

	//handle headers - simply re-outputing them
	$header_ar = split(chr(10),$header); 
	foreach($header_ar as $k=>$v){
		if(!preg_match("/^Transfer-Encoding/",$v)){
			$v = str_replace($base,$mydomain,$v); //header rewrite if needed
			header(trim($v));
		}
	}

  //rewrite all hard coded urls to ensure the links still work!
	$body = str_replace($base,$mydomain,$body);

	print $body;

}

curl_close ($curlSession);


?>