Feature(OauthTwitter): Login user via social media

- WIll allow user to login via twitter

[Delivers #164489928]

controllers/user.js

@@ -118,6 +118,28 @@ class UserController {
     return res.status(200).json({ status: 200, user: `welcome: ${req.user.username}`, token: generate });
   }
 
+  /**
+   *
+   * @param {Object} req
+   * @param {*} res
+   * @returns {Object} Json data
+   */
+  async twitterLogin(req, res) {
+    const twitterUser = {
+      username: req.user.username
+    };
+    const result = await User.findOrCreate({
+      where: {
+        username: twitterUser.username
+      },
+      defaults: twitterUser
+    });
+    const { generate } = generateToken(twitterUser);
+    if (process.env.NODE_ENV === 'development') {
+      return res.status(200).json({ status: 200, Welcome: twitterUser.username, token: generate });
+    } return result;
+  }
+
   /**
    * Checks if the email exists.
    * @param {object} req request

index.js

@@ -1,4 +1,5 @@
 import express from 'express';
+import session from 'express-session';
 import passport from 'passport';
 import googlePassport from './middlewares/passport-google';
 import passportJwt from './middlewares/passport-jwt';
@@ -11,6 +12,13 @@ const port = process.env.PORT || 3000;
 // @bodyParser configuration
 app.use(express.urlencoded({ extended: false }));
 app.use(express.json());
+
+// @session configuration for twiitter login
+app.use(session({
+  resave: false,
+  saveUninitialized: true,
+  secret: process.env.secretOrKey
+}));
 // @passport
 app.use(passport.initialize());
 googlePassport(passport);
@@ -26,6 +34,7 @@ app.use((req, res) => {
   });
 });
 
+
 app.listen(port, () => {
   console.log(`Server started successfully on ${port}`);
 });

middlewares/authentication.js

@@ -0,0 +1,16 @@
+import passport from 'passport';
+import twitterStrategy from './passport-twitter';
+import twitteruser from './serialize';
+/**
+ * Get user information from the strategy and then pass it to serialize class
+ */
+class Authentication {
+  /**
+   * Authentication constructor
+   */
+  constructor() {
+    this.twitter = passport.use(twitterStrategy);
+    this.serializeTwitteruser = twitteruser(passport, this.user);
+  }
+}
+export default Authentication;

middlewares/passport-twitter.js

@@ -0,0 +1,21 @@
+import twitterStrategy from 'passport-twitter';
+import dotenv from 'dotenv';
+
+dotenv.config();
+const { TWITTER_CONSUMER_KEY, TWITTER_CONSUMER_SECRET, TWITTER_CALLBACK_URL } = process.env;
+
+const twStrategy = new twitterStrategy(
+  {
+    consumerKey: TWITTER_CONSUMER_KEY,
+    consumerSecret: TWITTER_CONSUMER_SECRET,
+    callbackURL: TWITTER_CALLBACK_URL
+  },
+  (token, tokenSecret, profile, done) => {
+    const userTwitter = {
+      username: profile._json.name
+    };
+    done(null, userTwitter);
+  }
+);
+
+export default twStrategy;

middlewares/serialize.js

@@ -0,0 +1,12 @@
+const twitterUser = (passport, user) => {
+  passport.serializeUser((userTwitwer, done) => {
+    done(null, userTwitwer.username);
+  });
+  passport.deserializeUser((username, done) => {
+    user.findByPk(username).then((userTwitwer) => {
+      done(null, userTwitwer);
+    })
+      .catch(err => done(err, false));
+  });
+};
+export default twitterUser;

package.json

@@ -26,7 +26,7 @@
     "errorhandler": "^1.5.0",
     "express": "^4.16.3",
     "express-jwt": "^5.3.1",
-    "express-session": "^1.15.6",
+    "express-session": "^1.16.1",
     "googleapis": "^39.2.0",
     "jsonwebtoken": "^8.3.0",
     "method-override": "^2.3.10",

routes/api/auth/twitter.js

@@ -0,0 +1,14 @@
+/* eslint-disable no-unused-vars */
+import passport from 'passport';
+import express from 'express';
+import authentication from '../../../middlewares/authentication';
+import user from '../../../controllers/user';
+
+const TwitwerStrategy = new authentication();
+
+const router = express.Router();
+
+router.get('/login/twitter', passport.authenticate('twitter',));
+router.get('/login/twitter/redirect', passport.authenticate('twitter', { session: false }), user.twitterLogin);
+
+export default router;

routes/index.js

@@ -3,6 +3,7 @@ import express from 'express';
 import swaggerUi from 'swagger-ui-express';
 import swaggerDocument from '../config/swagger.json';
 import facebookAuth from './api/auth/facebook';
+import twitterAuth from './api/auth/twitter';
 
 import users from './api/users';
 import article from './api/article';
@@ -12,6 +13,7 @@ import article from './api/article';
 const app = express();
 // @router configuration
 app.use('/api/users/auth', facebookAuth);
+app.use('/api/users', twitterAuth);
 app.use('/api/users', users);
 app.use('/api/articles', article);
 // @swagger UI

test/2-user.js

@@ -15,9 +15,11 @@ import {
   invalidToken,
   validToken,
   profile1,
-  testMailer
+  testMailer,
+  userTwitterSignup
 } from '../testingdata/user.json';
 import models from '../models/index';
+import userController from '../controllers/user';
 
 chai.use(chaiHttp);
 chai.should();
@@ -237,6 +239,10 @@ describe('User ', () => {
         done();
       });
   });
+  it('Should let the user signup with twitter', async () => {
+    const result = await userController.twitterLogin(userTwitterSignup);
+    result[0].dataValues.should.be.a('object');
+  });
 
   // Get all users
   it('Should get all users ', (done) => {

testingdata/user.json

@@ -40,7 +40,7 @@
     "email": "blaise@gmail.com"
   },
   "googleValidToken": {
-    "access_token": "ya29.GlvtBh1zpj-_QCVaZhyOkXLtLDG-s5vawM1FWGnnhtkoV3lMMile89zb-lLNmadfvzWWNbVdPyaRTMlzQin8NliZF2cOo-k6oAVkPCxmEANhgkYTsW14acaFnw0r"
+    "access_token": "ya29.GlvuBhu14JeCW4eQjBWjVqMjbRwFfp4U2L3pnhmaRM3wuep3JwFkUtQ8Q7ZlXX9p59AIkqKYDf2gL5SHSvSWf731joIE9AphP1JzOSNaJS8fk_uo3FGXDTNMGxhK"
   },
   "googleInvalidToken": {
     "access_token": "ya29.GlvhBpzY2hl2ShgOMrpkni8obGgwyX0mr85Oendf2kmblu3BrRNTmYK2DVQiPciVOBFkLvR57YE90qDyffgJOqgzV68zutO3-Y9QDKooAPuxPvwsbsWM36wwVPHT"
@@ -63,5 +63,10 @@
     "username": "copainFab",
     "bio": "I am a badass software developer at Andela",
     "image": ""
+  },
+  "userTwitterSignup": {
+    "user": {
+      "username": "EmaBush"
+    }
   }
 }