Paste: Simple Web Server

/*
 * Simple server that supports jade
 * Written by Rex Ford
 */

var http = require('http');
var fs = require('fs');
var jade = require('jade');

//mime types
var mimeTypes = {
  "js"      : "text/javascript",
  "json"    : "text/json",
  "html"    : "text/html",
  "css"     : "text/css",
  "gif"     : "image/gif",
  "png"     : "image/png",
  "txt"     : "text/plain",
  "xhtml"   : "application/xhtml",
  "ico"     : "image/png",
  "appcache": "text/cache-manifest",
  "jade"    : "text/html",
  "wav"     : "audio/wav",
  "svgz"    : "image/svg+xml",
  "svg"     : "image/svg+xml",
  "jpg"     : "image/jpeg"
}

function getExtension(filename) {
  var i = filename.lastIndexOf('.')
  return (i < 0) ? '' : filename.substr(i + 1)
}

http.createServer(function (req, res) {
  var path = req.url.substring(1);
  var mimeType = mimeTypes[getExtension(path)]
  if(fs.existsSync(path)){
    res.writeHead(200, {'Content-Type': mimeType});
    var ext = getExtension(path);
    console.log(path);
    if(ext == "jade"){
      var fn = jade.compileFile(path);
      res.end(fn());
    }else{
      var txt = fs.readFileSync(path).toString();
      res.end(txt);
    }
  }else{
    console.log("404: "+path);
    res.writeHead(404, {'Content-Type':'text/plain' });
    res.end("File not found!");
  }
}).listen(80,'127.0.0.1');
console.log('Simple Server Running');