keycloak-grails's Introduction

keycloak

Demo for configuring Keycloak auth with grails rest app and react based frontend

Prerequisite

Key-cloack 4.8.3.Final server installed
Node/Npm
Java (1.8)
Grails 3.3.9
Gradle

Setup

1: Start keycloak (should be on 8180 port, [else need to modify keyclock.json in backend as well as frontend project])

Import realm-import.json as realm import in keyclock
Start the grails application: cd blog-demo

You must need to modifies 2 properties inside blog-demo/grails-app/conf/application.yml under keycloak node current values are:

admin: admin

password: admin

Set admin value is the value of your administration login of keyclock also password value is the value of your administration password of keyclock

we need it to perform bootstraps users from grails app

Now run app :

grails run-app

Start the react application

go to frontend dir

npm install

npm start

Go to localhost:3000 and login using user/pass which are mentioned below.

username	password	group
user	password	users-group
user2	password	users-group
admin	password	admins-group

groups:

users-group -> can only see post

admins-group -> can see post and add post

open localhost:3000
It will redirect you to keyclock, once you login from above credentials you will see react Ui where 2 tabs will appears
1st one is User and 2nd one is Admin
if login user is part of users-group and it will try to add blog using admin tab, when user will submit blog from model then its will get 401 (un authentication notification), admin tab is visible for users-group to demonstrate resource authentication(As users-group users will not have access for create blog resource)
if you will login through user which is part of admins-group, can see the list of post and can add the post using admin tab

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