React example how to do authenitcation with Twitter

06-nodejs-twitter-reverse-route.js

router.route('/auth/twitter/reverse')
  .post(function(req, res) {
    request.post({
      url: 'https://api.twitter.com/oauth/request_token',
      oauth: {
        oauth_callback: "http%3A%2F%2Flocalhost%3A3000%2Ftwitter-callback",
        consumer_key: 'KEY',
        consumer_secret: 'SECRET'
      }
    }, function (err, r, body) {
      if (err) {
        return res.send(500, { message: err.message });
      }


      var jsonStr = '{ "' + body.replace(/&/g, '", "').replace(/=/g, '": "') + '"}';
      res.send(JSON.parse(jsonStr));
    });
  });