Log Into Twitter w/ Node

README.md

Install Oauth Client

$ npm install oauth

Create Twitter App

• Log into twitter dev
• Create App
• Set url to http://local.host:5001
• Set callback url to http://local.host:5001/auth/twitter/callback/
• Copy consumer key & secret to config.js
• Run app :)

config.js

module.exports = {
  twitter: {
    consumer_key: 'YOUR CONSUMER KEY',
    consumer_secret: 'YOUR CONSUMER SECERET'
}

twitter.js

var oauth = require('oauth');
var config = require('config');

var twitter = function() {
  return new oauth.OAuth(
    'https://api.twitter.com/oauth/request_token', 'https://api.twitter.com/oauth/access_token',
    config.twitter.consumerKey, config.twitter.consumerSecret,
    '1.0A', 'http://local.host:5001/auth/twitter/callback', 'HMAC-SHA1');
}

app.get('/', function(req, res){
  res.render('index', {});
}

app.get('/auth/twitter', function(req, res){
  twitter().getOAuthRequestToken(function(error, oauthToken, oauthTokenSecret, results){
    if (error) {
      res.send("Error getting OAuth request token : " + error, 500);
    } else {
      req.session.oauthRequestToken = oauthToken;
      req.session.oauthRequestTokenSecret = oauthTokenSecret;
      res.redirect("https://api.twitter.com/oauth/authorize?oauth_token="+req.session.oauthRequestToken);
    }
  });
});

app.get('/auth/twitter/callback', function(req, res){
  twitter().getOAuthAccessToken(req.session.oauthRequestToken, req.session.oauthRequestTokenSecret, req.query.oauth_verifier, function(error, oauthAccessToken, oauthAccessTokenSecret, results) {
    if (error) {
      res.send("Error getting OAuth access token : " + error + "["+oauthAccessToken+"]"+ "["+oauthAccessTokenSecret+"]"+ "["+sys.inspect(results)+"]", 500);
    } else {
      req.session.oauthAccessToken = oauthAccessToken;
      req.session.oauthAccessTokenSecret = oauthAccessTokenSecret;
      // Right here is where we would write out some nice user stuff
      twitter().get("http://api.twitter.com/1.1/account/verify_credentials.json", req.session.oauthAccessToken, req.session.oauthAccessTokenSecret, function (error, data, response) {
        if (error) {
          res.send("Error getting twitter screen name : " + error, 500);
        } else {
          console.log("data is %j", JSON.parse(data));
          data = JSON.parse(data);
          req.session.twitterScreenName = data["screen_name"];
          res.redirect('/')
        }
      });
    }
  });
});