README.md

Oauth2Demo

Build with:

Java 17.0.1 Gradle

Document about Oauth2

• What is Oauth2
• Link youtube
• Slide

Some Refer about grant-type in Oauth2 you should read

• Authorization Code Flow with Proof Key for Code Exchange (PKCE)
• Resource Owner Password Flow
• Client Credentials Flow

Demo with Spring Authorized Server

Source Include:

client sever-authenticate resource-server

Link spring-projects/spring-authorization-server:

https://github.com/spring-projects/spring-authorization-server 

Config

1. Install MySQL( MySQL 8.0.23), MySQL WorkBench
2. Create database with name "oauth2-db"
3. Build and Run 3 Project above( data will automatic init in your database schema using Flyaway DB migration)

Note

You should truncate 4 table in your database schema when you build and run the demo at 2nd, 3rd, 4th ,.. time

1. oauth2_authorization
2. oauth2_authorization_consent
3. oauth2_registered_client
4. oauth2_resource_data

Demo with Keycloak(19.0.2)

Source Include:

resource-server-with-keycloak

Config

1. Download KeyCloak zip file if you want to use the newest version or you can use mine
2. Start KeyCloack Authentication Server by commanline in cmd(Windown) or terminal(Linux or MacOs)

Window

./kc.bat start-dev

Linux, MacOs

./kc.sh start-dev

3. Create admin account when you started first time
4. Set up Realms, Client, Client Scope, User, you can find more infomation by those link below

Key Cloak

VIE
https://huongdanjava.com/vi/keycloak

SPRING BOOT BLOG
https://www.baeldung.com/spring-boot-keycloak

5. Build and Run the resource-server-with-keycloak project