Moodle SAML Single Sign-On (SSO) using WordPress as IdP | WordPress SSO Login

In the miniOrange SAML SSO plugin, scroll down to the Service Provider Setup section of the plugin. There are two ways to configure the plugin:

A. By uploading IDP metadata:

• Provide any IDP Name. For example, my_IDP.
• Choose the value of Select the Method as Metadata URL/XML from dropdown.
• Enter the Metadata URL as
  https://tenant-name.b2clogin.com/tenant-name.onmicrosoft.com/B2C_1A_signup_signin_saml/Samlp/metadata

Note: You will need to replace the tenant-name in above URl with Azure B2C tenant name.

• Scroll to the bottom and click on Save changes button.

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 changes button to save your configuration.

Step 3: Attribute Mapping

Basic Attribute Mapping

• When the user performs SSO, the NameID value is sent by the Identity Provider. This value is unique for every user.
• For the plugin to access these attribute assign the Email and Username attribute.
• Addtionally user attributes can be mapped (such as Firstname and Lastname).
• Click on the Save changes button to save your configuration.

Custom Attribute Mapping

This feature allows you to map custom attribute sent by the IDP to the Moodle attributes.

• To create a custom attribute, navigate to Site Administration >> Users >> User Profile Fields in the plugin.
• Click on Create a new profile field , select the type of attribute from dropdown and enter the values in required fields.

• Assign the desired value to the created custom attribute.

• Scroll down and click on the Save changes button to save your configurations.

Step 4: Role Mapping

This feature allows you to assign and manage roles of the users when they perform SSO. Along with the default Moodle roles, this is compatible with any custom roles as well.

• Group/Role attribute will provide a mapping for the field name which contains role-related information sent by the IDP and will be used for Role Mapping.
• Scroll to the Role Mapping section and provide the mappings for the respective roles.
• Select the Default Role from the dropdown if the user role doesn't match with the assigned values.
• For example, If you have a user whose Group/Role attribute value is idp-teacher and you want to assign it to the teacher group then, just provide idp-teacher in the Teacher: field of Role mapping section.

Note: You can assign multiple values separated with semi-colon(;).

• Click on the Save changes button to save your configurations.

Step 5: SSO settings

In the plugin you can add a login widget to enable SP-Initiated SSO on your site.

• Navigate to Site administrator >> Plugins >> Manage authentication.
• Click on the to enable the plugin visibility.
• Click on the ⬆ to set plugin preference.

• To enable auto-redirect from Moodle login page to WordPress site .
• Choose Yes value from the dropdown for Enable Auto-redirect to IDP from Moodle login page field.
• Note down Backdoor URL it will be useful when SSO fails.
• Click on the Save changes button to save your configuration.