SAML Single Sign-On (SSO) for WordPress using OneLogin as IDP | OneLogin WordPress SSO Login

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

A. By uploading IDP metadata:

• Click on Upload IDP metadata button.
• Enter the Identity Provider Name.
• You can either upload a metadata file and click on Upload button or use a metadata URL and click on Fetch 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 and click on the Save button.
• Click on Test configuration to check the attributes and values sent by IDP.

Step 3: Attribute Mapping

• In the free plugin, only NameID is supported for Email and Username attributes of the WordPress user.
• When a user performs SSO, the NameID value sent by the IDP will get mapped to the email and username of the WordPress user.

Step 4: Role Mapping

• In the free plugin, you can choose a Default Role which will be assigned to all the non-admin users when they perform SSO.
• Go to Attribute/Role mapping tab and navigate to Role Mapping section.
• Select the Default Role and click on the Update button.

Step 5: SSO settings

• In the free plugin you can add a Single Sign-On button by enabling Add a Single Sign-On button on the WordPress Login Page toggle in Option 1.

• If your WordPress theme supports login widget, you can add a login widget to enable SP-Initiated SSO on your site.
• Navigate to Redirection and SSO links tab and follow the given steps given under Option 2: Use a Widget to add a login widget on your site.

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

A. By uploading IDP metadata:

• Click on Upload IDP metadata button.
• Enter the Identity Provider Name.
• You can either upload a metadata file and click on Upload button or use a metadata URL and click on Fetch 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 and click on the Save button.
• Click on Test configuration to check the attributes and values sent by IDP.

Step 3: Attribute Mapping

• Attribute Mapping feature allows you to map the user attributes sent by the IDP during SSO to the user attributes at WordPress.
• In WordPress SAML plugin, go to Attribute/Role Mapping tab and fill up the following fields in Attribute Mapping section.

NOTE: If you click on Test Configuration button in Service Provider Setup tab and authenticate with your IDP, you can see a list of attributes sent by the IDP in the Attribute/Role mapping tab. This information can be used to provide the above mapping.

Step 4: Role Mapping

In the standard plugin, you can choose a default role which will be assigned to all the non-admin users when they perform SSO.

• Go to Attribute/Role mapping tab and navigate to Role Mapping section.
• Select the Default Role and click on the Save button.

Step 5: SSO settings

In the Standard plugin you can enable SP-initiated SSO using the following options.

• Auto-Redirection from site: If this option is enabled, any unauthenticated user trying to access your site will get redirected to the IDP login page and after successful authentication, they will be redirected back to the same page on your site which they were trying to access.

Steps:

• Go to Redirection and SSO Links tab of the plugin and navigate to Option 1: Auto - Redirection from site.
• Enable Redirect to IDP if user not logged in [PROTECT COMPLETE SITE]option.


• Auto-Redirection from WordPress Login: If this option is enabled, any unauthenticated user trying to access the default WordPress login page will get redirected to the IDP login page for authentication. After successful authentication, they will be redirected back to the WordPress site.

Steps:

• Go to Redirection and SSO Links tab of the plugin and navigate to Option 2: Auto- Redirection from WordPress Login.
• Enable Redirect to IDP from WordPress Login Page option.


NOTE: Please enable the Backdoor login and note down the backdoor URL. This will allow you to access the WordPress login page in case you get locked out of the IDP.



• SSO Links: You can add SSO links anywhere on your site using the Shortcode and Widget provided in Redirection and SSO Links tab > Option 3: SSO Links section of the plugin.