foursquare irc bridge thingy

server.js

var crypto = require('crypto'),
    fs = require("fs"),
    https = require('https'),
    http = require("http"),
    sys = require('sys'),
    request = require('request'),
    url = require('url'),
    querystring = require('querystring'),
    tako = require('./tako'),
    qs = require('querystring'),
    irc = require('./IRC/lib/irc');

var bot = new irc({ server: 'irc.freenode.net'});
bot.connect(function () {
  bot.nick('nerdtracker5000');
  bot.join('#nerdtracker');
});

var options = {
  baseURL: "https://outmapp.in",
  ca:   fs.readFileSync('sub.class1.server.ca.pem'),
  key:  fs.readFileSync('ssl.key'),
  cert: fs.readFileSync('ssl.crt'),
  "fsqID": "",
  "fsqSecret": ""
};

var t = tako()
t.middle('json')

t.route('/', function(req, resp) {
  resp.end('go to /nerdtracker/login to register')
})

t.route('/nerdtracker/push', function(req, resp) {
  req.on('data', function (data) {
    var checkin = JSON.parse(qs.parse(data.toString()).checkin)
    var msg = checkin.user.firstName + ' just checked in at ' + checkin.venue.name
    if (checkin.venue && checkin.venue.location && checkin.venue.location.address) msg = msg + ' (' + checkin.venue.location.address + ')'
    if (checkin.shout) msg = msg + ': ' + checkin.shout
    bot.privmsg('#nerdtracker', msg)
  })

  req.on('end', function() {
    resp.end('thanks foursquare')
  })
})

t
  .route('/nerdtracker/login', function (req, resp) {
    var u = 'https://foursquare.com/oauth2/authenticate'
        + '?client_id=' + options.fsqID
        + '&response_type=code'
        + '&redirect_uri=' + options.baseURL + '/nerdtracker/callback'
        ;
    resp.statusCode = 302
    resp.setHeader('location', u)
    resp.end()
  })

t
  .route('/nerdtracker/callback', function (req, resp) {
    var u = 'https://foursquare.com/oauth2/access_token'
       + '?client_id=' + options.fsqID
       + '&client_secret=' + options.fsqSecret
       + '&grant_type=authorization_code'
       + '&redirect_uri=' + options.baseURL + '/nerdtracker/callback'
       + '&code=' + req.qs.code
       ;
    request.get({url:u}, function (e, r, body) {
      resp.statusCode = 200
      var dataz = JSON.parse(body)
      dataz.registration_success = true
      dataz.all_done = true
      bot.privmsg('#nerdtracker', 'a new person just registered!')
      resp.end(JSON.stringify(dataz))
    })
  })
  
t.listen(function(handler) {
  return https.createServer(options, handler)
}, 443)

Which IRC lib is this using? irc = require('./IRC/lib/irc');

it's and old version of https://github.com/gf3/IRC-js