ZiMuZu.tv auto-dosign script in javascript. (NodeJS)

zimuzu-auto-sign.js

// First, setup username and password.
// Second, run command `npm link request` to install the depends
// Then, setup cronjob for auto checkin everyday.
var USERNAME = '_FILL_ME_';
var PASSWORD = '_FILL_ME_';

var request = require('request');

request = request.defaults({
  jar: true
});

var login = function (username, password, cb) {
  // login API

  var url = 'http://www.zimuzu.tv/User/Login/ajaxLogin';
  request.post(url, {
    json: true,
    form: {
      account: username,
      password: password,
      remember: 1,
      url_back: 'http://www.zimuzu.tv'
    }
  }, function (err, resp, data) {
    if (data['status'] == 1) {
      cb(null);
    } else {
      cb(data['info']);
    }
  });

};

var enter = function (cb) {
  // enter the sign page

  var url = 'http://www.zimuzu.tv/user/sign';

  request.get(url, function (err, resp, body) {

    // console.log(body);
    cb();

  });
};

var sign = function (cb) {
  // call dosign API

  var url = 'http://www.zimuzu.tv/user/sign/dosign';

  request.get(url, {
    headers: {
      'Referer': 'http://www.zimuzu.tv/user/sign'
    }, json: true
  }, function (err, resp, data) {

    // console.log(err);
    cb(data);

  });
};

login(USERNAME, PASSWORD, function (err) {
  if (err == null) {
    enter(function () {
      setTimeout(function () {
        sign(function (data) {
          process.exit(0);
        });
      }, 15 * 1000);

    });

  } else {
    process.exit(1);
  }
});