Node.JS static file web server. Put it in your path to fire up servers in any directory, takes an optional port argument.

static_server.js

#!/usr/bin/env node

var http = require("http"),
    url = require("url"),
    path = require("path"),
    fs = require("fs"),
    port = process.argv[2] || 8888;

http.createServer(function(request, response) {

  var header=request.headers['authorization']||'',    // get the header
      token=header.split(/\s+/).pop()||'',            // and the encoded auth token
      auth=new Buffer(token, 'base64').toString(),    // convert from base64
      parts=auth.split(/:/),                          // split on colon
      username=parts[0]||'',
      password=parts[1]||'';
  if (password && username) {
    console.log('username is "'+username+'" and password is "'+password+'"');
  }

  var uri = url.parse(request.url).pathname
    , filename = path.join(process.cwd(), uri);
  
  fs.exists(filename, function(exists) {
    if(!exists) {
      response.writeHead(404, {"Content-Type": "text/plain"});
      response.write("404 Not Found\n");
      response.end();
      return;
    }

	if (fs.statSync(filename).isDirectory()) filename += '/index.html';

    fs.readFile(filename, "binary", function(err, file) {
      if(err) {        
        response.writeHead(500, {"Content-Type": "text/plain"});
        response.write(err + "\n");
        response.end();
        return;
      }

      response.writeHead(200);
      response.write(file, "binary");
      response.end();
    });
  });
}).listen(parseInt(port, 10));

console.log("Static file server running at\n  => http://localhost:" + port + "/\nCTRL + C to shutdown");