<?php

/**

* Node.php v0.4

* (c) 2016 Jerzy Głowacki

* MIT License

*/

error_reporting(0);

set_time_limit(120);

define("NODE_DIR", "node");

define("NODE_PORT", 49999);

function node_serve($path = "") {

if(!file_exists(NODE_DIR)) {

header('HTTP/1.0 404 Not Found');

exit;

}

$node_pid = intval(file_get_contents("nodepid"));

if($node_pid === 0) {

header('HTTP/1.0 503 Service Unavailable');

echo "Server down, help me!\n";

exit;

}

$curl = curl_init("http://127.0.0.1:" . NODE_PORT . "/$path");

curl_setopt($curl, CURLOPT_HEADER, 1);

curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);

$headers = array();

foreach(getallheaders() as $key => $value) {

$headers[] = $key . ": " . $value;

}

curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);

curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $_SERVER["REQUEST_METHOD"]);

if($_SERVER["REQUEST_METHOD"] === "POST") {

curl_setopt($curl, CURLOPT_POST, 1);

curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($_POST));

}

$resp = curl_exec($curl);

if($resp === false) {

header('HTTP/1.0 404 Not Found');

exit;

} else {

list($head, $body) = explode("\r\n\r\n", $resp, 2);

$headarr = explode("\n", $head);

foreach($headarr as $headval) {

header($headval);

}

echo $body;

}

curl_close($curl);

}

function node_dispatch() {

isset($_GET['path']) ? node_serve($_GET['path']) : node_serve();

}

node_dispatch();