SEChat.js

var cheerio = require('cheerio');
var Promise = require("bluebird");
var request = Promise.promisifyAll(require('request'));
var WebSocket = require('ws');

var email = "SE email",
	password = "SE pw",
	roomid = 17;

var j = request.jar()
request.getAsync({url:"https://stackoverflow.com/users/login", jar:j}).then(function(response){
    var $ = cheerio.load(response[0].body)
    var fkey = $("input[name=fkey]").attr('value')
    return request.postAsync({url:"https://stackoverflow.com/users/login", form: {email:email,password:password,fkey:fkey}, jar:j})
}).then(function(response){
    return request.getAsync({url:"http://chat.stackoverflow.com/rooms/"+roomid, jar:j})
}).then(function(response){
    var $ = cheerio.load(response[0].body)
    var fkey = $("input[name=fkey]").attr('value')
    var url, time;
    request.postAsync({url:"http://chat.stackoverflow.com/ws-auth",form:{fkey:fkey,roomid:roomid}, jar:j}).then(function(response){
        url=JSON.parse(response[0].body).url
        return request.postAsync({url:"http://chat.stackoverflow.com/chats/"+roomid+"/events", form:{fkey:fkey}, jar:j})
    }).then(function(response){
        time=JSON.parse(response[0].body).time
        
        // j.getCookies, j.getCookieString are not fucking working https://github.com/request/request#examples
            /*
            Cookie: __qca=P0-836267970-1427913531157; 
            __utma=27693923.873887550.1427913531.1427913531.1427913531.1; 
            __utmz=27693923.1427913531.1.1.utmcsr=chat.stackexchange.com|utmccn=(referral)|utmcmd=referral|utmcct=/login/global; 
            _ga=GA1.2.873887550.1427913531; 
            acct=t=jL8DaExcfCTwfaQgrJ03tZ0gr3KvPY88&s=9B6qYhv3swjfrB5hD%2fXm0BLEDbnilw9V*/
            
        console.log(url+"?l="+time)
        var ws = new WebSocket(url+"?l="+time, null, {headers:{ 
            'Origin': 'http://chat.stackoverflow.com'/*,
            'Cookie': j._jar.store.idx['stackoverflow.com']['/']['acct'].value*/
        }});
        
        ws.on('message', function(message) {
            console.log('received: %s', message);
        });
        ws.on('open', function() {
            console.log('opened')
        });
        ws.on('error', function(e) {
            console.log(e)
        });
    })

})