server.js

var sys        = require('sys'),
    path       = require('path'),
    http       = require('http'),
    formidable = require('./lib/formidable'),
    paperboy   = require('./lib/paperboy');

var PUBLIC = path.join(path.dirname(__filename), 'public');

var progresses = {}
var metadata   = {}

http.createServer(function(req, res) {

  // parse an upload using formidable.
  regex = new RegExp('/upload/(.+)');
  match = regex.exec(req.url);
  if (match && req.method.toLowerCase() == 'post') {
    var uuid = match[1];
    sys.print("receiving upload: "+uuid+'\n');

    var form = new formidable.IncomingForm();
    form.uploadDir = './data';
    form.keepExtensions = true;

    // keep track of progress.
    form.addListener('progress', function(recvd, expected) {
      progress = (recvd / expected * 100).toFixed(2);
      progresses[uuid] = progress
    });

    form.parse(req, function(error, fields, files) {
      var path     = files['file']['path'],
          filename = files['file']['filename'],
          mime     = files['file']['mime'];
      res.writeHead(200, {'content-type': 'text/html'});
      res.write('<textarea>');
      res.write("upload complete.\n");
      res.write(filename + ' landed safely at ' + path + '\n');
      res.write('</textarea>')
      res.end()
      sys.print("finished upload: "+uuid+'\n');
    });
    return;
  }

  // (update) metadata
  regex = new RegExp('/update/(.+)');
  match = regex.exec(req.url);
  if (match && req.method.toLowerCase() == 'post') {
    uuid = match[1]
    var form = new formidable.IncomingForm();
    form.addListener('field', function(name, value) {
      sys.print("fresh metadata for "+uuid+": "+name+" => "+value+"\n")
      metadata[name] = value;
    });
    form.parse(req);
  }

  // respond to progress queries.
  regex = new RegExp('/progress/(.+)');
  match = regex.exec(req.url);
  if (match) {
    uuid = match[1];
    res.writeHead(200, {'content-type': 'application/json'});
    res.write(JSON.stringify({'progress': progresses[uuid]}));
    res.end();
  }

  // let paperboy handle any static content.
  paperboy
    .deliver(PUBLIC, req, res)
    .after(function(statCode) {
      sys.log('Served Request: ' + statCode + ' ' + req.url)
    })
    .otherwise(function() {
      res.writeHead(404, {'Content-Type': 'text/plain'});
      res.write('Not Found');
      res.end();
    });

}).listen(8000, '127.0.0.1');

sys.log('ready at http://localhost:8000/')