Express + socket.io CLI client

client.js

var Promise = require('bluebird');
var request = require('request-promise');
var io = require('socket.io-client');
var jar = request.jar();

/**
 * Connect to web interface
 */
request({
  uri: loginActionUrl,
  form: { login, password },
  jar
})
.then(function () {
  return io(server, {
    // Pass cookies manually as http requests are not shared
    query: 'cookie=' + escape(jar.getCookieString(root))
  })
})
.then(function (socket) {
  return model.on('connect', function () {
    console.log('OK')
    process.exit(0)
  })
})

server.js

var socketio = require('socket.io')

var io = socketio(server)

io.use((socket, next) => {
  if (socket.handshake.query.cookie) {
  // Set Cookie from query string in case headers are not available
    socket.handshake.headers.cookie = socket.handshake.query.cookie;
  }
  
  next()
})

io.use(checkExpressSession)