keycloak

Open Source Identity and Access Management.

• https://www.keycloak.org/

OIDC

• https://www.scottbrady91.com/OpenID-Connect/OpenID-Connect-Overview

OpenID Connect (OIDC) provides a simple identity layer on top of the OAuth 2.0 protocol, enabling Single Sign-On (SSO) and API access in one round trip. It brings the missing user authentication story and identity layer to OAuth.

Steps setup realm

   1 cd /tmp
   2 wget https://github.com/keycloak/keycloak/releases/download/14.0.0/keycloak-14.0.0.zip
   3 unzip -t keycloak-14.0.0.zip
   4 unzip keycloak-14.0.0.zip
   5 cd ~/tmp/keycloak-14.0.0/bin
   6 sh standalone.sh 
   7 http://localhost:8080/auth

* http://localhost:8080/auth * Administration Console * User: admin * Password: admin * Password confirmation: admin * Click on Create

* http://localhost:8080/auth/admin/master/console/#/realms/master * login with admin:admin * http://localhost:8080/auth/admin/master/console/#/create/realm * Name: MyRealm * Enabled: On * Click on Create * http://localhost:8080/auth/admin/master/console/#/realms/MyRealm

* Go to Users * Click on Add user * Username: myuser * User enabled: ON * Save * http://localhost:8080/auth/admin/master/console/#/realms/MyRealm/users * Select user myuser, * Select credentials tab, * Password: mypwd * Password confirmation: mypwd, * Temporary: off * Click on "Set Password" * http://localhost:8080/auth/admin/master/console/#/create/role/MyRealm * Add role USER to MyRealm * Role name: USER * Click on Save * http://localhost:8080/auth/admin/master/console/#/realms/MyRealm/users * select user myuser * select tab Role mappings * select user and click on add selected * http://localhost:8080/auth/admin/master/console/#/realms/MyRealm/clients * click on create * client id: curl_confidential * client protocol: openid-connect * root url: http://localhost:8080 * Click on save * Clients Curl_confidential settings: * access-type: confidential * Should appear tab Credentials * Client authenticator: Client ID and secret * Click on "Regenerate Secret" * # 3a862f1b-6687-4f7a-8e04-be494fca99e0 * Clients Curl_confidential Mappers Add builtin "realm roles", "groups" * add selected * For each map add "Add to userinfo" * Clients Curl_confidential Scope, * select full scope allowed: ON * realm: MyRealm * user pwd: myuser mypwd * client id: curl_confidential * protocol: openid-connect * Curl_confidential settings: * access-type confidential * valid redirect url http://localhost:8080 * tab credentials: regenerate secret 3a862f1b-6687-4f7a-8e04-be494fca99e0 * Signout * http://localhost:8080/auth/realms/MyRealm/account/

   1 ACCESS_TOKEN=$(curl -d 'client_id=curl_confidential' -d 'client_secret=3a862f1b-6687-4f7a-8e04-be494fca99e0' -d 'username=myuser' -d 'password=mypwd' -d 'grant_type=password' 'http://localhost:8080/auth/realms/MyRealm/protocol/openid-connect/token' | json_reformat | jq -r '.access_token')
   2 echo $ACCESS_TOKEN
   3 
   4 curl -X POST -d "access_token=$ACCESS_TOKEN" http://localhost:8080/auth/realms/MyRealm/protocol/openid-connect/userinfo | json_reformat
   5 
   6 curl -X GET -d "access_token=$ACCESS_TOKEN" http://localhost:8080/auth/realms/MyRealm/.well-known/openid-configuration | json_reformat