proxy.php

<?php
// PHP Proxy
// Responds to both HTTP GET and POST requests
//
// Author: Abdul Qabiz
// March 31st, 2006
//

// Get the url of to be proxied
// Is it a POST or a GET?
$url = ($_POST['url']) ? $_POST['url'] : $_GET['url'];
$headers = ($_POST['headers']) ? $_POST['headers'] : $_GET['headers'];
$mimeType =($_POST['mimeType']) ? $_POST['mimeType'] : $_GET['mimeType'];

$filename = 'cachemap/'.base_convert(hash('md5',$url), 16, 36);

if (file_exists($filename)){
	$fp = fopen($filename, 'rb');

	header("Content-Type: image/jpeg");
	header("Content-Length: " . filesize($filename));

	$contents = fread($fp, filesize($filename));
	echo($contents);
	fclose($fp);

}else{
	//Start the Curl session
	$session = curl_init($url);

	// If it's a POST, put the POST data in the body
	if ($_POST['url']) {
		$postvars = '';
		while ($element = current($_POST)) {
			$postvars .= key($_POST).'='.$element.'&';
			next($_POST);
		}
		curl_setopt ($session, CURLOPT_POST, true);
		curl_setopt ($session, CURLOPT_POSTFIELDS, $postvars);
	}

	// Don't return HTTP headers. Do return the contents of the call
	curl_setopt($session, CURLOPT_HEADER, ($headers == "true") ? true : false);

	curl_setopt($session, CURLOPT_FOLLOWLOCATION, true); 
	//curl_setopt($ch, CURLOPT_TIMEOUT, 4); 
	curl_setopt($session, CURLOPT_RETURNTRANSFER, true);

	// Make the call
	$response = curl_exec($session);

	if ($mimeType != "")
	{
		// The web service returns XML. Set the Content-Type appropriately
		header("Content-Type: ".$mimeType);
	}

	$savefile = fopen($filename, 'w');
	    fwrite($savefile, $response);
	fclose($savefile);

	echo $response;

	curl_close($session);
}
?>