Delaying proxy, xkcd-style http://wp.me/pfjwm-me

server.js

var oc = function(a) {
  var o = {};
  for(var i=0;i<a.length;i++) {
    o[a[i]]='';
  }
  return o;
}

var http = require('http'),
    url = require('url'),
    fs = require('fs');

var delayed_sites_raw = fs.readFileSync('timekillers', 'ascii');

var delayed_sites = oc(delayed_sites_raw.split("\n"));

console.log('Delayed sites:' + delayed_sites);

http.createServer(function(request, response) {
  var delay = 0;

  if (host in delayed_sites) {
    delay = 30000;
  }

  var proxy = http.createClient(80, request.headers['host'])
  var proxy_request = proxy.request(request.method, request.url, request.headers);
  proxy_request.on('response', function (proxy_response) {
    proxy_response.pause();
    setTimeout(function() {
        proxy_response.resume();
    }, delay);
    proxy_response.pipe(response);
    response.writeHead(proxy_response.statusCode, proxy_response.headers);
  });

  request.pipe(proxy_request);
}).listen(8080);