IdentityServer4 Single Sign-On SSO | WordPress Login using IdentityServer4

Step 1: Setup IdentityServer4 as OAuth Provider

• Set up IdentityServer4 using guidelines provided here.
• From Configure OAuth tab in Oauth Client plugin, collect Redirect/Callback URL and enter it into your IdentityServer4.
• Copy your Client ID and Client Secret and save it on your miniOrange OAuth Client plugin Configuration.
• You have successfully completed your IdentityServer4 OAuth Server side configurations.
• In Plugin, Add Custom Application.
• Enter your app name and use the following information to fill the details.



IdentityServer4 Endpoints and Scope:




Client ID :	Click Here
Client Secret :	Click Here
Scope:	openid
Authorize Endpoint:	https://[your-domain]/connect/authorize
Access Token Endpoint:	https://[your-domain]/connect/token
Get User Info Endpoint:	https://[your-domain]/connect/userinfo

Step 2: Setup WordPress as OAuth Client

• Go to Configure OAuth tab and configure App Name, Client ID, Client Secret from provided Endpoints.
• openid is already filled but if it doesn't work then configure scope as User.Read and for fetching group info use scope is Directory.read.all.
• Click on Save Settings to save the configuration.

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.

• 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.

• 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.

Step 4: Login Settings / Sign In Settings.

• The settings in SSO Settings tab define the user experience for Single Sign On. To add a login widget on your WordPress page, you need to follow below steps.

Sign In Settings

• Go to WordPress Left Panel > Appearances > Widgets.
• Select miniOrange OAuth. Drag and drop to your favourite location and save.

• Open your WordPress page and you can see the login button there. You can test the SSO now.

Additional Add-Ons And Plugin Integrations

BuddyPress Integration

Allows to integrate user attribute information fetched from OAuth / OpenID Identity Providers (IDP) with the user's BuddyPress profile.

Page and Post Restriction

Protects the pages/posts of your site with OAuth/OpenID Connect compliant IDP login page & restrict the access to the site based on the user roles.

Login Form Add-On

Provides a Login form for OAuth/OpenID login instead of button. It relies on OAuth/OpenID sso plugin to have Password Grant configured.

Media Restriction

miniOrange Media Restriction add-on restricts unauthorized users from accessing the media files on your WordPress site.

Discord Role Mapping

Discord Role Mapping add-on helps you to get roles from your discord server and maps it to WordPress users while SSO.

LearnDash Integrator

LearnDash Integration will map the SSO users to LearnDash groups as per the group attributes sent by your Identity Provider.

Attribute Based Redirection

Attribute Based Redirection plugin can be used to restrict and redirect users to different URLs based on OAuth/OpenID attributes.

SCIM User Provisioning

SCIM User Provisioning allows you to sync user's creation, updation and deletion from your IDP to WordPress site.

SSO Session Management

SSO session management add-on manages the login session time of your users based on their WordPress roles.

Membership Level based Login Redirection

This add-on allows to redirect users to custom pages based on their membership levels after Single Sign-On. Plugin Checks user’s membership level during every login, so any update on the membership level doesn’t affect redirection.

SSO Login Audit

SSO Login Audit captures and tracks all the SSO users and generates reports.

Additional Resources

• What is OAuth 2.0?
• Login into any application using IdentityServer4 as Oauth 2.0 provider
• Building a Simple Token Server and Protecting Your ASP.NET Core APIs with JWT
• Frequently Asked Questions (FAQs)