login in to the app via Google

.github/workflows/ci.yml

@@ -22,7 +22,9 @@ env:
   SMTP_HOST: ${{ secrets.SMTP_HOST }}
   MAIL_ID: ${{ secrets.MAIL_ID }}
   DB_HOST_TYPE: ${{ secrets.DB_HOST_TYPE }}
-
+  GOOGLE_CLIENT_ID: ${{ secrets.GOOGLE_CLIENT_ID }}
+  GOOGLE_CLIENT_SECRET: ${{ secrets.GOOGLE_CLIENT_SECRET }}
+  Session_secret: ${{ secrets.Session_secret }}
 jobs:
   build:
     runs-on: ubuntu-latest

package.json

@@ -55,6 +55,7 @@
     "@istanbuljs/nyc-config-typescript": "^1.0.2",
     "@types/mocha": "^10.0.6",
     "@types/multer": "^1.4.11",
+    "@types/passport-google-oauth2": "^0.1.8",
     "@types/sinon": "^17.0.3",
     "bcrypt": "^5.1.1",
     "chai": "^4.4.1",
@@ -67,6 +68,7 @@
     "cross-env": "^7.0.3",
     "dotenv": "^16.4.5",
     "express": "^4.19.2",
+    "express-session": "^1.18.0",
     "http-status": "^1.7.4",
     "husky": "^9.0.11",
     "joi": "^17.13.1",
@@ -76,7 +78,9 @@
     "multer": "^1.4.5-lts.1",
     "nodemailer": "^6.9.13",
     "nodemon": "^3.1.0",
-    "nyc": "^15.1.0",
+    "passport": "^0.7.0",
+    "passport-google-oauth2": "^0.2.0",
+    "passport-google-oauth20": "^2.0.0",
     "pg": "^8.11.5",
     "pg-hstore": "^2.3.4",
     "sequelize": "^6.37.3",
@@ -96,7 +100,7 @@
     "@types/express": "^4.17.21",
     "@types/jsonwebtoken": "^9.0.6",
     "@types/morgan": "^1.9.9",
-    "@types/node": "^20.12.12",
+    "@types/node": "^20.12.13",
     "@types/nodemailer": "^6.4.15",
     "@types/pg": "^8.11.6",
     "@types/sequelize": "^4.28.20",
@@ -106,6 +110,7 @@
     "@typescript-eslint/parser": "^7.10.0",
     "eslint": "^8.57.0",
     "eslint-plugin-import": "^2.29.1",
-    "lint-staged": "^15.2.2"
+    "lint-staged": "^15.2.2",
+    "nyc": "^15.1.0"
   }
-}
+}

src/index.ts

@@ -30,4 +30,4 @@ app.listen(PORT, () => {
   console.log(`Server is running on the port ${PORT}`);
 });
 
-export default app;
+export default app;

src/modules/auth/controller/authControllers.ts

@@ -4,7 +4,7 @@ import userRepositories from "../repository/authRepositories";
 import { generateToken } from "../../../helpers";
 import httpStatus from "http-status";
 import { UsersAttributes } from "../../../databases/models/users";
-import { IRequest } from "../../../types";
+import { IRequest,userInfo } from "../../../types";
 
 import authRepositories from "../repository/authRepositories";
 import { sendVerificationEmail } from "../../../services/sendEmail";
@@ -57,4 +57,28 @@ const loginUser = async (req: Request, res: Response) => {
 }
 
 
-export default { registerUser, sendVerifyEmail, verifyEmail, loginUser }
+
+const signInUser = async(req:Request,res:Response) => {
+    try{
+    const {email,firstName,lastName,picture,accToken} = req.user as userInfo;
+    const register:UsersAttributes = await authRepositories.createUser({
+            email:email,
+            firstName:firstName,
+            lastName:lastName,
+            password: accToken,
+            profilePicture:picture,
+            isGoogleAccount:true,
+            isVerified:true
+    });
+
+     const token = generateToken(register.id)
+     const session = {userId: register.id, device: req.headers["user-device"] , token: token, otp: null };
+            await authRepositories.createSession(session);
+
+       return res.status(200).json({status:200,token:token});            
+    }catch(err){
+      return res.status(500).json({status:500,Message:err.message})
+    }
+}
+
+export default { registerUser, sendVerifyEmail, verifyEmail, loginUser,signInUser }

src/modules/auth/test/auth.spec.ts

@@ -1,3 +1,4 @@
+/* eslint-disable @typescript-eslint/no-unused-vars */
 /* eslint-disable @typescript-eslint/no-explicit-any */
 import { Request, Response } from "express";
 import chai, { expect } from "chai";
@@ -20,11 +21,12 @@ let verifyToken: string | null = null;
 
 describe("Authentication Test Cases", () => {
 
-  afterEach(async () => {
+  afterEach(async (done) => {
     const tokenRecord = await Session.findOne({ where: { userId } });
     if (tokenRecord) {
       verifyToken = tokenRecord.dataValues.token;
     }
+    done();
   });
 
   it("should register a new user", (done) => {
@@ -202,7 +204,7 @@ describe("isUserExist Middleware", () => {
         expect(res).to.have.status(httpStatus.BAD_REQUEST);
         expect(res.body).to.be.an("object");
         expect(res.body).to.have.property("status", httpStatus.BAD_REQUEST);
-        expect(res.body).to.have.property("message", "Account already exists. Please verify your account");
+        expect(res.body).to.have.property("message", "Account already exists.");
         done(err);
       });
   });
@@ -392,4 +394,15 @@ describe("sendVerificationEmail", () => {
     }
   });
 
-});
+});
+
+
+describe("Google Authentication", () => {
+  describe("GET /api/auth/auth/google", () => {
+    it("should redirect to Google login page", async () => {
+      const res = await chai.request(app).get("/api/auth/auth/google");
+      expect(res).to.have.status(302);
+      expect(res).to.have.header("location").that.contains("https://accounts.google.com/o/oauth2/v2/auth");
+    });
+  });
+})

src/routes/authRouter.ts

@@ -1,15 +1,24 @@
+/* eslint-disable @typescript-eslint/no-unused-vars */
 import { Router } from "express";
+import googleAuth from "../services/googleAuth";
 import authControllers from "../modules/auth/controller/authControllers";
 import { validation, isUserExist, isAccountVerified, verifyUserCredentials } from "../middlewares/validation";
 import { emailSchema, credentialSchema } from "../modules/auth/validation/authValidations";
+import passport from "passport";
+const router: Router = Router();
+
+router.use(passport.initialize());
+router.use(googleAuth.SESSION)
+
 
 
-const router: Router = Router();
 
 router.post("/register", validation(credentialSchema), isUserExist, authControllers.registerUser);
 router.get("/verify-email/:token", isAccountVerified, authControllers.verifyEmail);
 router.post("/send-verify-email", validation(emailSchema), isAccountVerified, authControllers.sendVerifyEmail);
 router.post("/login", validation(credentialSchema), verifyUserCredentials, authControllers.loginUser);
+router.get("/auth/google", googleAuth.googleVerify);
+router.get("/auth/google/callback", googleAuth.googlecallback, googleAuth.authenticated,authControllers.signInUser);
 
 
 export default router;

src/services/googleAuth.ts

@@ -0,0 +1,107 @@
+/* eslint-disable @typescript-eslint/no-namespace */
+/* eslint-disable no-shadow */
+/* eslint-disable @typescript-eslint/no-explicit-any */
+import { Request, Response, NextFunction } from "express";
+import passport from "passport";
+import session from "express-session";
+import { Strategy as GoogleStrategy, VerifyCallback } from "passport-google-oauth2";
+import dotenv from "dotenv";
+import authRepositories from "../modules/auth/repository/authRepositories";
+import { generateToken } from "../helpers";
+import { userInfo } from "../types";
+
+dotenv.config();
+
+declare global {
+    namespace Express {
+        interface Request {
+            user?: any; 
+        }
+    }
+}
+const GOOGLE_CLIENT_ID = process.env.GOOGLE_CLIENT_ID as string;
+const GOOGLE_CLIENT_SECRET = process.env.GOOGLE_CLIENT_SECRET as string;
+
+passport.use(
+  new GoogleStrategy(
+    {
+      clientID: GOOGLE_CLIENT_ID,
+      clientSecret: GOOGLE_CLIENT_SECRET,
+      // eslint-disable-next-line quotes
+
+      callbackURL: `${process.env.SERVER_URL_PRO}/api/auth/auth/google/callback`,
+
+      passReqToCallback: true
+    },
+    function (
+      request: Request,
+      accessToken: string,
+      refreshToken: string,
+      profile: any,
+      done: VerifyCallback
+    ) {
+      const userId = profile.id;
+      const email = profile.emails?.[0].value || null;
+      const firstName = profile.name?.givenName || null;
+      const lastName = profile.name?.familyName || null;
+      const picture = profile.photos?.[0].value || null;
+      const accToken = accessToken;
+      const user = {
+        userId,
+        email,
+        firstName,
+        lastName,
+        picture,
+        accToken
+      };
+      return done(null, user);
+    }
+  )
+);
+
+passport.serializeUser((user, done) => {
+  done(null, user);
+});
+
+passport.deserializeUser((user, done) => {
+  done(null, user);
+});
+
+const googleVerify = passport.authenticate("google", {
+  scope: ["profile", "email"]
+});
+
+const googlecallback = passport.authenticate("google", {
+  failureRedirect: "/"
+});
+
+const SESSION = session({
+  secret: process.env.Session_secret,
+  resave: false,
+  saveUninitialized: true
+});
+
+const authenticated = async (req: Request,res: Response,next: NextFunction) => {
+  if ((req as any).isAuthenticated()) {
+    const { email } = req.user as userInfo;
+    const register = await authRepositories.findUserByAttributes("email", email);
+    if (register) {
+      const token = generateToken(register.id);
+      const sessions = { userId: register.id, device: req.headers["user-device"], token: token, otp: null };
+      await authRepositories.createSession(sessions);
+      return res.status(200).json({ status: 200, token: token });
+    } else {
+      next();
+    }
+  } else {
+    return res.json({ Error: "Something Went Wrong" });
+  }
+};
+
+export default {
+  passport,
+  googleVerify,
+  googlecallback,
+  SESSION,
+  authenticated
+};

src/types/index.d.ts

@@ -13,4 +13,12 @@ export interface ILogin{
 
 export interface IRequest extends Request{
     loginUserId?: number;
-}
+}
+
+export interface userInfo{
+    email:string,
+    firstName: string,
+    lastName: string,
+    picture: string,
+    accToken: string
+}