• keycloak

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

Create admin user

• http://localhost:8080/auth

• Administration Console
• User: admin
• Password: admin
• Password confirmation: admin
• Click on Create

Create realm

• 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

Add user

• http://localhost:8080/auth/admin/master/console/#/realms/MyRealm

• Go to Users
• Click on Add user
• Username: myuser
• User enabled: ON
• Save

Set user password

• 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"

Create role USER

• http://localhost:8080/auth/admin/master/console/#/create/role/MyRealm

• Add role USER to MyRealm

• Role name: USER
• Click on Save

Associate role to user

• http://localhost:8080/auth/admin/master/console/#/realms/MyRealm/users

• select user myuser
• select tab Role mappings
• select user and click on add selected

• Create keycloak client

  • 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
• client data

  • 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