Guide To Configure Keycloak As Oauth Server

https://plugins.miniorange.com/guide-to-configure-keycloak-as-oauth-server

If you want users to login to your WordPress site using their keycloak credentials, you can simply do it using our WP OAuth Client plugin. Once you configure the keycloak with WordPress plugin, you can allow users to SSO to your WordPress site using keycloak. Similarly, you can map your WordPress roles based on your keycloak attributes/groups. To know more about other features we provide in WP OAuth Client plugin, you can click here.

Guide to configure Keycloak with WordPress :

First of all, Download Keycloak and install it.
Start Server: Start the keycloak server by running the _standalone.sh_ file.

Root Directory of keycloak bin standalone.sh

Add Realm : Now login to keycloak administration console and navigate to your desired realm. You can add new realm by selecting Add Realm option.

Create realm: Enter Realm Name and click on CREATE to add realm.
Create ROLE: The Role will be used by your applications to define which users will be authorized to access the application. Click on the Roles and choose Add Role.

Add User: We need to add users to realm who will be able to access the resources of realm. Click on the Users and choose to Add a new User.

User Configuration: After user is created following action needs to be performed on it.

Credentials

NOTE : Disabling Temporary will make user password permanent.

Map User: We need to map user to a role. Click on Role Mappings and assign the user desired role from available roles and clicking on add selected.

Create groups: Click on the Groups and choose New to create a new group.

Assign user to group: Select the user whom you want to add in group. Choose Groups option from tab and then select the group-name and click on join.

Create OpenID client: Click on the Clients and choose create to create a new client. Enter client id and select client protocol openeid-connect and select Save.

Change Access type: After client is created change its access type to confidential.

Enter Valid Redirect URIs: Copy callback URL from plugin and then click on SAVE. Ex -- https:///oauth/callback
Keycloak Group Mapper: Now to get group details we need to perform its client mapping with group membership else group details will not be fetched. So in client select Mappers and then click on create. Select mapper type Group Membership and enter name and token claim-name i.e the attribute name corresponding which groups will be fetched and click on Save.

Note: -- If full path is on group path will be fetched else group name will be fetched.

Get Client Secret: Now we need to get client secret. So select Clients and select credentials and copy your secret from here.

You can download OAuth Client plugin using the following link.

OAuth Single Sign On – SSO (OAuth client)

Plugin Configuration: Enter copied Client Secret here Client ID will be your client name and the URL are given below.

Scope:	email profile
Authorization Endpoint:	<Keycloak base URL>/realms/{realm-name}/protocol/openid-connect/auth
Token Endpoint:	<Keycloak base URL>/realms/{realm-name}/protocol/openid-connect/token
UseInfo Endpoint:	<Keycloak base URL>/realms/{realm-name}/protocol/openid-connect/userinfo