Google Oauth Api Usage

This repo goal is to have several examples that helps to development team which works with google oauth.

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

Prerequisites

What things you need to install the software and how to install them

Node JS
Google console configurations : https://console.developers.google.com

Google console configurations

Creating A Google Project With The Google API Console

Follow this intructions : http://support.wpsocial.com/support/solutions/articles/144223-creating-a-google-project-with-the-google-api-console

In the section of urls, put this

Authorized JavaScript origins
- http://localhost:3000
- Note that this value must be the base url of your web. In this case nodejs
Authorized redirect URIs
- http://localhost:3000/callback
- Note that this value is published in your web (demo-oauth.js line 28)

3000 port is referencial, you could choice your own port with PORT variable

app.listen(process.env.PORT || my_port);

Update credentials and scope

Export this values:

export CLIENT_ID="****"
export CLIENT_SECRET="****"
export REDIRECT_URI="****"
export SCOPE="profile https://www.googleapis.com/auth/userinfo.email"
export PORT=3000

Note: In this example, with these scopes, google just allow us to read a minimal user information.

Run

Launch demo-oauth.js with one of these commands :

npm run start
node demo-oauth.js

If no errors in log, go to your browser and launch

http://localhost:3000/health

And you will get

Im ready to use!!

Endpoints

Step	endpoint	description
01 : Get oauth code	http://localhost:3000/code	this will redirect to login or acceptance google form. If no errors, code will be printed
02 : Exchange oauth code for the access_token	http://localhost:3000/access_token?code=abcdefghi	abcdefghi must be the value returned in step 1
03 : Exchange oauth access_token for the email	http://localhost:3000/email?access_token=123456789	123456789 must be the value returned in step 2