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Integrate with WordPress WordPress

WordPress

Support level: Community

What is WordPress

WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. Features include a plugin architecture and a template system, referred to within WordPress as Themes

-- https://en.wikipedia.org/wiki/WordPress

:::note There are many different plugins for WordPress that allow you to setup SSO using different authentication methods. The plugin that is explained in this tutorial is "OpenID Connect Generic" version 3.8.5 by daggerhart. This plugin uses OpenID/OAUTH2 and is free without paywalls or subscriptions at the time of writing this. The plugin is available for free in the WordPress Plugin gallery. :::

Preparation

The following placeholders will be used:

  • wp.company is the FQDN of WordPress.
  • authentik.company is the FQDN of authentik.

Step 1 - authentik

In authentik, under Providers, create an OAuth2/OpenID Provider with these settings:

:::note Only settings that have been modified from default have been listed. :::

Protocol Settings

  • Name: WordPress
  • Client ID: Copy and Save this for Later
  • Client Secret: Copy and Save this for later
  • Redirect URIs/Origins: https://wp.company/wp-admin/admin-ajax.php\?action=openid-connect-authorize
  • Scopes: email, offline_access, openid, profile

Step 2 - WordPress

:::note Assumption is being made that you have successfully downloaded and activated the required plugin "OpenID Connect Generic" by daggerhart :::

In WordPress, under Settings, Select OpenID Connect Client

:::note Only settings that have been modified from default have been listed. :::

  • Login Type: OpenID Connect Button on Login (This option display a button to login using OpenID as well as local WP login)
  • Client ID: Client ID from step 1
  • Client Secret: Client Secret from step 1
  • OpenID Scope: email profile openid offline_access
  • Login Endpoint URL: https://authentik.company/application/o/authorize/
  • Userinfo Endpoint URL: https://authentik.company/application/o/userinfo/
  • Token Validation Endpoint URL: https://authentik.company/application/o/token/
  • End Session Endpoint URL: https://authentik.company/application/o/wordpress/end-session/

:::note Make sure to include the offline_access scope to ensure refresh tokens are generated. Otherwise your session will expire and force users to manually log in again. Refer to the OpenID Connect Core specification for more information. :::

:::note Review each setting and choose the ones that you require for your installation. Examples of popular settings are Link Existing Users, Create user if does not exist, and Enforce Privacy :::

Step 3 - authentik

In authentik, create an application which uses this provider and directly launches WordPress' backend login-screen. Optionally apply access restrictions to the application using policy bindings.

Notes

:::note OpenID Connect Generic Client Reference link: https://wordpress.org/plugins/daggerhart-openid-connect-generic/ :::