rbxjs-plus/lib/user/onNotification.js

A system allowing access to roblox functions.

// Dependencies
var SignalR = require('signalr-client').client;
var events = require('events');

// Includes
var getSession = require('../util/getSession.js').func;
var settings = require('../../settings.json');

// Args
exports.optional = ['jar'];

// Define
exports.func = function (args) {
  var max = settings.event.maxRetries;
  var notifications = new events.EventEmitter();
  function connect (retries) {
    var session = getSession({jar: args.jar});
    var client = new SignalR('wss://realtime.roblox.com/notifications', ['usernotificationhub'], 3, true); // wss for https
    client.headers['Cookie'] = '.ROBLOSECURITY=' + session + ';';
    client.on('usernotificationhub', 'notification', function (name, message) {
      notifications.emit('data', name, JSON.parse(message));
    });
    notifications.on('close', client.end);
    client.serviceHandlers.connectFailed = function (err) {
      notifications.emit('error', new Error('Connection failed: ' + err.message));
      if (retries !== -1) {
        if (retries > max) {
          notifications.emit('close', new Error('Max retries reached'));
        } else {
          setTimeout(connect, 5000, retries + 1);
        }
      }
    };
    client.serviceHandlers.onerror = function (err) {
      notifications.emit('error', err);
    };
    client.serviceHandlers.connected = function (connection) {
      notifications.emit('connect', connection);
    };
    client.serviceHandlers.reconnecting = function () {
      setTimeout(connect, 5000, 0);
      notifications.emit('error', new Error('Lost connection, reconnecting'));
      return true; // Abort reconnection
    };
    client.start();
  }
  connect(-1);
  return notifications;
};