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Single Sign-On (SSO) between Keycloak as IDP and Moodle as SP

Single Sign-On (SSO) between Keycloak as IDP and Moodle as SP


SAML Single Sign-On (SSO) for your Moodle site can be achieved using our miniOrange SAML SSO plugin. Our plugin is compatible with all the SAML compliant Identity providers. Here we will go through a step-by-step guide to configure Single Sign-On (SSO) between Keycloak as Identity Provider (IdP) and Moodle as Service Provider (SP).

To configure Keycloak as IdP with Moodle, you will need to install the miniOrange SAML 2.0 SSO plugin:

Pre-requisites: Download And Installation

miniOrange SAML 2.0 SSO

SSO Single Sign On to Moodle with Azure, Azure B2C, Okta, ADFS, Keycloak, Onelogin, Gsuite, Shibboleth & many SAML IdPs [24/7 SUPPORT]

Tested with 4.0.1

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

1. Configure Keycloak as an IdP

miniorange img Setup IDP
  • In the miniOrange SAML 2.0 SSO plugin, navigate to Service Provider Metadata tab. Here, you can find the SP metadata such as SP Entity ID and ACS (AssertionConsumerService) URL which are required to configure the Identity Provider.
  • wordpress saml upload metadata
  • In your Keycloak admin console, select the realm that you want to use.
  • Click on Clients from the left menu and then click on Create button to create a new client/application.
  • SAML Single Sign-On (SSO) using JBoss Keycloak as Identity Provider (IdP),SAML 2.0 JBoss Keycloak Login - Creating an APP
  • Enter Client ID as the SP-EntityID / Issuer from the Service Provider Metadata and select SAML as the Client Protocol.
  • SAML Single Sign-On (SSO) using JBoss Keycloak as Identity Provider (IdP),SAML 2.0 JBoss Keycloak Login - Add Client
  • Now click on Save.
  • Configure the following in Keycloak:
  • Client ID The SP-EntityID / Issuer from the plugin's Service Provider Metadata tab
    Name Provide a name for this client
    Description Provide a description
    Name ID Format Email
    Root URL Leave empty or Base URL of Service Provider
    Valid Redirect URIs The ACS (Assertion Consumer Service) URL from the plugin's Service Provider Metadata tab
    SAML Single Sign-On (SSO) using JBoss Keycloak as Identity Provider (IdP),SAML 2.0 JBoss Keycloak Login - Settings
  • Under Fine Grain SAML Endpoint Configuration, configure the following:
  • Assertion Consumer Service POST Binding URL The ACS (Assertion Consumer Service) URL from the plugin's Service Provider Metadata tab
    Logout Service Redirect Binding URL (Optional) The Single Logout URL from the plugin's Service Provider Metadata tab
    SAML Single Sign-On (SSO) using JBoss Keycloak as IdP,SAML 2.0 JBoss Keycloak Login SAML Endpoint Configuration
  • Click on Save.
miniorange img Add Mappers
  • Go to Mappers tab and click on Create button.
  • SAML Single Sign-On (SSO) using JBoss Keycloak as Identity Provider (IdP),SAML 2.0 JBoss Keycloak Login - Mappers Tab
  • In Create Protocol Mapper enter the details as given below.
  • Client ID The SP-EntityID / Issuer from the plugin's Service Provider Metadata tab
    Name Username
    Mapper Type User Attribute
    SAML Attribute Name username
    SAML Attribute NameFormat Basic
    SAML Single Sign-On (SSO) using JBoss Keycloak as Identity Provider (IdP),SAML 2.0 JBoss Keycloak Login - Mappers Tab
  • Click On Save.
  • Click on Add Builtin button.
  • SAML Single Sign-On (SSO) using JBoss Keycloak as Identity Provider (IdP),SAML 2.0 JBoss Keycloak Login - Mappers Tab
  • Check the boxes of X500 givenName, X500 surname and X500 email attributes.
  • SAML Single Sign-On (SSO) using JBoss Keycloak as Identity Provider (IdP),SAML 2.0 JBoss Keycloak Login - Add buitl-in protocol mapper
  • Click on Add Selected button. You will see the mappings as shown in the photo below.
  • SAML Single Sign-On (SSO) using JBoss Keycloak as Identity Provider (IdP),SAML 2.0 JBoss Keycloak Login - Add Selected
miniorange img Download setup file
  • Go to Realm Settings, click on SAML 2.0 Identity Provider Metadata mentioned as endpoints in the General Tab.
  • JBoss Keycloak SSO-7
  • Note the URL and keep it handy. Here you can find the information which will be used to configure the plugin.

2. Configure Moodle as SP

We will go through the steps to setup Moodle as a Service Provider. Here, we will be adding the IdP metadata to configure the plugin.

In the miniOrange SAML SSO plugin, go to the Service Provider Setup tab of the plugin. There are two ways to configure the plugin:

A. By uploading IDP metadata:

  • Click on the Upload IDP metadata button.
  • Enter the Identity Provider Name.
  • You can copy and paste the IdP metadata XML file and click on the Upload Metadata button or use a metadata URL and click on Fetch Metadata.
  • wordpress saml upload metadata

B.Manual Configuration:

  • Provide the required settings (i.e. Identity Provider Name, IdP Entity ID or Issuer, SAML Login URL, X.509 Certificate) as provided by your Identity Provider.
  • Click on the Save button to save your configuration.
  • wordpress saml upload metadata

Attribute Mapping

  • When the user performs SSO, the NameID value is sent by the Identity Provider. This value is unique for every user.
  • To assign by which attribute value the user should authenticate or create, select Email (default) or Username in Login/Create Moodle account by:
  • For the plugin to access these attributes, assign the values for Email and Username as 'NameID' (without quotes).
  • Click on the Save button to save your configuration.
  • wordpress saml attribute mapping

Role Mapping

  • In the free plugin, you can choose a default role that will be assigned to all the non-admin users when they perform SSO. [NOTE: Roles will be assigned to new users created by SSO. Existing Moodle users’ roles will not be affected.]
  • Go to the Attribute/Role Mapping tab and navigate to the Role Mapping section.
  • Select the Default Role and click on the Save button to save your configuration.
  • wordpress saml role mapping

SSO Settings

  • In the plugin, you can add a login widget to enable SP-Initiated SSO on your site.
  • Go to the Plugins >> Authentication >> Manage authentication.
  • Click on the to enable the plugin visibility.
  • Click on the ⬆ to set plugin preference.
  • wordpress saml role mapping
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