require('dotenv').config(); const GoogleStrategy = require("passport-google-oauth20").Strategy; const passport = require("passport"); passport.use( new GoogleStrategy( { clientID: process.env.CLIENT_ID, clientSecret: process.env.CLIENT_SECRET, callbackURL: "/auth/google/callback", scope: ["profile", "email"], }, function (accessToken, refreshToken, profile, callback) { // Save the user info to your DB here if still not yet saved // Example of what profile might contain: // { // "id": "112233445566778899", // "displayName": "John Doe", // "emails": [{ "value": "john.doe@gmail.com" }], // "photos": [{ "value": "https://.../photo.jpg" }] // } callback(null, profile); } ) ); passport.serializeUser((user, done) => { done(null, user); }); passport.deserializeUser((user, done) => { done(null,user); });