Adding google auth on mern app

1

I’m trying to add google authentiation in mern app after checking tutorials and searching I cannot find a suitable method

I set authentication stratergy with passort.js but dont know how to combine it with react

I tried react-google-login but it works on react and I dunno how to send user data to node for saving into database

2

Hey there,

what could any help look like?

Please provide us:

  • some code (that doesn’t work)
  • the material you’ve read/watched

You are talking about passport.js.
Did you read the docs of passport?

What has happened when you followed the instructions in the documentation??

1 Like
3

this is my passport.js file

const GoogleStratergy = require('passport-google-oauth20').Strategy
const mongoose = require('mongoose')
const User = require('../../models/User')

module.exports = function(passport){

passport.use(new GoogleStratergy({
        clientID:process.env.GOOGLE_CLIENT_ID,
        clientSecret:process.env.GOOGLE_CLIENT_SECRET,
        callbackURL:'/auth/google/callback'
    },async (accessToken,refreshToken,profile,done)=>{
        const newUser = {
            googleId:profile.id,
            displayName:profile.displayName,
            firstName:profile.name.givenName,
            lastName:profile.name.familyName,
            image:profile.photos[0].value
        }
        try{
            let user = await User.findOne({googleId:profile.id})
            if(user){
                done(null,user)
            }
            else{
                user = await User.create(newUser)
                done(null,user)
            }
        }
        catch{
            console.log(err)
        }
    }))
    
    passport.serializeUser((user, done)=>{
        done(null, user.id);
    });

    passport.deserializeUser((id, done)=>{
        User.findById(id,(err, user)=>{
        done(err, user);
  });
    });
}

it has no issues its working properly but I want to use with react how can I do that

tutorials that I watched

these dont have what I require cuz I want to sign in using react fornt end and then save that data using mongoose in node

4

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