keycloak examples

See config file at /config folder

Keycloak basic authz service with spring boot

Step 1:

# Start keycloak container
docker compose up -d keycloak-rest-authz-resource-server

Step 2:

# Start spring boot
./mvnw spring-boot:run -pl rest-authz-resource-server

There are two users:

Username	Password	Role
alice	alice	user
jdoe	jdoe	user, user_premium

endpoint	Permission
/	user
/protected/premium	user_premium

Test 1

GET http://localhost:8080
Authorization: Bearer ${alice_token}

The result should be : Hello alice!

Test 2

GET http://localhost:8080/protected/premium
Authorization: Bearer ${alice_token}

The result should be : 403

Test 3

GET http://localhost:8080/protected/premium
Authorization: Bearer ${jdoe_token}

The result should be : Hello jdoe!

More details authz service with bank-rest-authz-resource-server

Step 1:

# Start keycloak container
docker compose up -d keycloak-bank-rest-authz-resource-server

Step 2:

# Start spring boot
./mvnw spring-boot:run -pl bank-rest-authz-resource-server

Step 3:

Please visit Keycloak admin console http://localhost:8180 with username|password admin|admin and then create two users with following info.

Username	Password	Role
bob	bob	bank_teller
alice	alice	account_owner

This application is configured by policy-enforcer.json find more details in keycloak policy-enforcer

Test

Endpoint	Methods	Users	Result
/accounts/*	GET	bob/alice	permit
/accounts/*	POST,PUT	bob	deny
/accounts/*	POST,PUT	alice	permit

Keycloak javascript adapter example

This example using:

• react with vite
• keycloak-js library

You can find more details in keycloak javascript-adapter

Step 1

# Start keycloak container
docker compose up -d keycloak-javascript-adapter

Step 2

run these commands

cd keycloak-javascript-adapter

npm i 

npm run dev