├── .gitignore
├── .DS_Store
├── views
├── index.ejs
├── profile.ejs
└── login.ejs
├── package.json
└── server.js
/.gitignore:
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1 | .env
2 | node_modules/
3 | .DS_Store
4 |
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/.DS_Store:
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https://raw.githubusercontent.com/conorbailey90/Google-Auth/HEAD/.DS_Store
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/views/index.ejs:
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1 |
2 |
3 |
4 |
5 |
6 | Document
7 |
8 |
9 |
10 | Welcome
11 |
12 | Sign In
13 |
14 |
15 |
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/package.json:
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1 | {
2 | "name": "google_auth",
3 | "version": "1.0.0",
4 | "description": "",
5 | "main": "index.js",
6 | "scripts": {
7 | "dev": "nodemon server.js"
8 | },
9 | "keywords": [],
10 | "author": "",
11 | "license": "ISC",
12 | "dependencies": {
13 | "cookie-parser": "^1.4.5",
14 | "dotenv": "^8.2.0",
15 | "ejs": "^3.1.5",
16 | "express": "^4.17.1",
17 | "google-auth-library": "^6.1.3",
18 | "jsonwebtoken": "^8.5.1"
19 | },
20 | "devDependencies": {
21 | "nodemon": "^2.0.6"
22 | }
23 | }
24 |
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/views/profile.ejs:
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1 |
2 |
3 |
4 |
5 |
6 |
7 | Document
8 |
9 |
10 |
11 | Sign Out
12 | Hi <%= user.name %>
13 |
14 | 
15 |
16 |
17 |
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/views/login.ejs:
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 | Login
9 |
10 |
11 |
12 |
13 |
14 |
15 |
23 |
24 |
48 |
49 |
50 |
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/server.js:
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1 | require('dotenv').config()
2 |
3 | const express = require('express');
4 | const app = express();
5 | const cookieParser = require('cookie-parser')
6 |
7 | // Google Auth
8 | const {OAuth2Client} = require('google-auth-library');
9 | const CLIENT_ID = '333642631602-h2l1m29lfb5c1d0dta76nvv4so4bjeo4.apps.googleusercontent.com'
10 | const client = new OAuth2Client(CLIENT_ID);
11 |
12 |
13 | const PORT = 7000;
14 |
15 | // Middleware
16 |
17 | app.set('view engine', 'ejs');
18 | app.use(express.json());
19 | app.use(cookieParser());
20 | app.use(express.static('public'));
21 |
22 | app.get('/', (req, res)=>{
23 | res.render('index')
24 | })
25 |
26 | app.get('/login', (req,res)=>{
27 | res.render('login');
28 | })
29 |
30 | app.post('/login', (req,res)=>{
31 | let token = req.body.token;
32 |
33 | async function verify() {
34 | const ticket = await client.verifyIdToken({
35 | idToken: token,
36 | audience: CLIENT_ID, // Specify the CLIENT_ID of the app that accesses the backend
37 | });
38 | const payload = ticket.getPayload();
39 | const userid = payload['sub'];
40 | }
41 | verify()
42 | .then(()=>{
43 | res.cookie('session-token', token);
44 | res.send('success')
45 | })
46 | .catch(console.error);
47 |
48 | })
49 |
50 | app.get('/profile', checkAuthenticated, (req, res)=>{
51 | let user = req.user;
52 | res.render('profile', {user});
53 | })
54 |
55 | app.get('/protectedRoute', checkAuthenticated, (req,res)=>{
56 | res.send('This route is protected')
57 | })
58 |
59 | app.get('/logout', (req, res)=>{
60 | res.clearCookie('session-token');
61 | res.redirect('/login')
62 |
63 | })
64 |
65 |
66 | function checkAuthenticated(req, res, next){
67 |
68 | let token = req.cookies['session-token'];
69 |
70 | let user = {};
71 | async function verify() {
72 | const ticket = await client.verifyIdToken({
73 | idToken: token,
74 | audience: CLIENT_ID, // Specify the CLIENT_ID of the app that accesses the backend
75 | });
76 | const payload = ticket.getPayload();
77 | user.name = payload.name;
78 | user.email = payload.email;
79 | user.picture = payload.picture;
80 | }
81 | verify()
82 | .then(()=>{
83 | req.user = user;
84 | next();
85 | })
86 | .catch(err=>{
87 | res.redirect('/login')
88 | })
89 |
90 | }
91 |
92 |
93 | app.listen(PORT, ()=>{
94 | console.log(`Server running on port ${PORT}`);
95 | })
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