server.js

'use strict';
var http = require('http');
var url = require('url');
var fs = require('fs');
var path = require('path');
var baseDirectory = "C:\\Users\\jscastro\\Documents\\GitHub\\threebox\\";
var port = process.env.PORT || 1337;
var counter = 0;

http.createServer(function (request, response) {
    try {
        var requestUrl = url.parse(request.url);

        // need to use path.normalize so people can't access directories underneath baseDirectory
        var fsPath = baseDirectory + path.normalize(requestUrl.pathname);

        var fileStream = fs.createReadStream(fsPath);
        fileStream.pipe(response);
        fileStream.on('open', function () {
            response.writeHead(200);
        });
        fileStream.on('error', function (e) {
            response.writeHead(404);    // assume the file doesn't exist
            response.end();
        });
    } catch (e) {
        response.writeHead(500);
        response.end();    // end the response so browsers don't hang
        console.log(e.stack);
    }

}).listen(port);