Keycloak OAuth & OpenID connect Single Sign-On (SSO) | Keycloak SSO Login

Keycloak OAuth & OpenID connect Single Sign-On (SSO) | Keycloak SSO Login



WordPress OAuth & OpenID Connect Single Sign-On (SSO) plugin enables secure login into WordPress using Keycloak as OAuth and OpenID Connect provider. You can also configure plugin using different custom providers and standard IDPs. It supports advanced Single Sign-On (SSO) features such as user profile Attribute mapping, Role mapping, etc. Here we will go through a guide to configure SSO between WordPress and Keycloak. By the end of this guide, users should be able to login to WordPress from Keycloak. To know more about other features we provide in WP OAuth Single Sign-On ( OAuth & OpenID Connect Client ) plugin, you can click here.

Download And Installation

  • Log into your WordPress instance as an admin.
  • Go to the WordPress Dashboard -> Plugins and click on Add New.
  • Search for a WordPress OAuth Single Sign-On (SSO) plugin and click on Install Now.
  • Once installed click on Activate.

Steps to configure Keycloak Single Sign-On (SSO) Login into WordPress

Step 1: Setup Keycloak as OAuth Provider

  • 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.
  • Keycloak Single Sign-On SSO add realm
  • 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.
  • Keycloak Single Sign-On SSO 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.
  • Keycloak Single Sign-On SSO add user
  • User Configuration: After user is created following action needs to be performed on it.
    • 1) Setting a password for it so click on Credentials and set a new Password for the user.

    Keycloak Single Sign-On SSO set password

    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.
  •  Keycloak Single Sign-On SSO map user
  • Create groups: Click on the Groups and choose New to create a new group.
  •  Keycloak Single Sign-On SSO create 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.
  •  Keycloak Single Sign-On SSO assign group
  • 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.
  •  Keycloak Single Sign-On SSO client id
  • Change Access type: After client is created change its access type to confidential.
  •  Keycloak Single Sign-On SSO change access type
  • 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. Turn Off full group path,Add to ID token and Add to access token options and click on Save.
  • Keycloak Single Sign-On SSO group mapper

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

  • Realm name: You need a realm name when you set up Keycloak as an OAuth provider. Go to the Realm Settings tab and copy the realm name.
  • Get Client Secret: Now we need to get client secret. So select Clients and select credentials and copy your secret from here.
  •  Keycloak Single Sign-On SSO client id client secret
  • Plugin Configuration: Enter copied Client Secret here Client ID will be your client name and the URL are given below.

  • Keycloak Endpoints and Scope:


    Client ID : Click Here
    Client Secret : Click Here
    Scope: email profile openid
    Authorize Endpoint: <keycloak domain>/auth/realms/{realm-name}/protocol/openid-connect/auth
    Access Token Endpoint: <keycloak domain>/auth/realms/{realm-name}/protocol/openid-connect/token
    Get User Info Endpoint: <keycloak domain>/auth/realms/{realm-name}/protocol/openid-connect/userinfo
    Custom redirect URL after logout: [optional] https://{domain-name}/auth/realms/{realm-name}/protocol/openid-connect/logout?redirect_uri=encodedRedirectUri

You have successfully configured Keycloak as OAuth Provider for achieving Keycloak login into your WordPress Site.

Step 2: Setup WordPress as OAuth Client

  • After Plugin is activated, go to the plugin and search for Keycloak. Select Keycloak from the OAuth Providers list.
  • Keycloak Single Sign-On SSO select Keycloak as OAuth Provider
  • Go to Configure OAuth tab and configure App Name, Client ID, Client Secret from provided Endpoints.
  • Enter Scope value as email profile openid.
  • Click on Save Settings to save the configuration.
  •  Keycloak Single Sign-On SSO  save settings

You have successfully configured WordPress as OAuth Client for achieving Keycloak login into your WordPress Site.

Step 3: User Attribute Mapping.

  • User Attribute Mapping is mandatory for enabling users to successfully login into WordPress. We will be setting up user profile attributes for WordPress using below settings.
  • Finding user attributes

    • Go to Configure OAuth tab. Scroll down and click on Test Configuration.
    •  Keycloak Single Sign-On SSO test congifuration
    • You will see all the values returned by your OAuth Provider to WordPress in a table. If you don't see value for First Name, Last Name, Email or Username, make the required settings in your OAuth Provider to return this information.
    • Keycloak Single Sign-On SSO test congifuration result
    • Once you see all the values in Test Configuration, go to Attribute / Role Mapping tab, you will get the list of attributes in a Username dropdown.
    • Keycloak Single Sign-On SSO attribute/role mapping

Step 4: Role Mapping [Premium].

  • Click on “Test Configuration” and you will get the list of Attribute Names and Attribute Values that are sent by your OAuth provider.
  • From the Test Configuration window, map the Attribute Names in the Attribute Mapping section of the plugin. Refer to the screenshot for more details.
  • wordpress oauth client plugin sso : attribute mapping
  • Enable Role Mapping: To enable Role Mapping, you need to map Group Name Attribute. Select the attribute name from the list of attributes which returns the roles from your provider application.
    Eg: Role

  • wordpress oauth client plugin sso : test configuration - role mapping
  • Assign WordPress role to the Provider role: Based on your provider application, you can allocate the WordPress role to your provider roles. It can be a student, teacher, administrator or any other depending on your application. Add the provider roles under Group Attribute Value and assign the required WordPress role in front of it under WordPress Role.

    For example, in the below image. Teacher has been assigned the role of Administrator & Student is assigned the role of Subscriber.
  • wordpress oauth client plugin sso : test configuration - role mapping
  • Once you save the mapping, the provider role will be assigned the WordPress administrator role after SSO.
    Example: As per the given example, Users with role ‘teacher’ will be added as Administrator in WordPress and ‘student’ will be added as Subscriber.

Step 5: Login Settings / Sign In Settings.

  • The settings in Single Sign-On (SSO) Settings tab define the user experience for Single Sign-On (SSO). To add a Keycloak login widget on your WordPress page, you need to follow the below steps.
  • 1. sign in settings for wordpress 5.7 and before :

    • Go to WordPress Left Panel > Appearances > Widgets.
    • Select miniOrange OAuth. Drag and drop to your favourite location and save.
    • OAuth/OpenID Keycloak  Single Sign On SSO WordPress create-newclient login button setting

    2. sign in settings for wordpress 5.8 :

    • Go to WordPress Left Panel > Appearances > Widgets.
    • Select miniOrange OAuth. Drag and drop to your favourite location and save.
    • OAuth/OpenID Keycloak  Single Sign On SSO WordPress create-newclient login button setting
    • Open your WordPress page and you can see the Keycloak SSO login button there. You can test the Keycloak Single Sign-On (SSO) now.
    • In this Guide, you have successfully configured Keycloak Single Sign-On (SSO) by configuring Keycloak as OAuth Provider and WordPress as OAuth Client using our WP OAuth Single Sign-On ( OAuth / OpenID Connect Client ) plugin.This solution ensures that you are ready to roll out secure access to your WordPress site using Keycloak login credentials within minutes.

Need Help?

Mail us on oauthsupport@xecurify.com for quick guidance(via email/meeting) on your requirement and our team will help you to select the best suitable solution/plan as per your requirement.

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