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Google Workspace

This guide shows you how to configure Google Workspace as a SAML Identity Provider for Casdoor, allowing users to authenticate with their Google Workspace accounts.

Configure SAML App in Google Workspace​

Access the Google Admin Console (admin.google.com) and navigate to Apps > Web and mobile apps.

Click Add App > Add custom SAML app.

Basic Information​

Enter an App name (e.g., "Casdoor") and optionally upload an app icon. Click Continue.

Google Identity Provider Details​

Download the metadata or note the following values provided by Google:

  • SSO URL
  • Entity ID
  • Certificate

Click Continue.

Service Provider Details​

Configure Casdoor as the Service Provider with the following values:

  • ACS URL: https://<your-casdoor-domain>/api/acs
    • Example: https://door.example.com/api/acs
  • Entity ID: https://<your-casdoor-domain>/api/acs
    • Use the same URL as ACS URL
  • Name ID format: EMAIL
  • Name ID: Basic Information > Primary email
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The /api/acs endpoint only accepts POST requests. Google Workspace uses POST binding by default.

Click Continue.

Attribute Mapping​

Configure attribute mapping (optional):

  • email → Primary email
  • displayName → First name and Last name

Click Finish.

Enable the App​

After creating the app, make sure to turn it ON for your organization or specific organizational units.

Configure SAML Provider in Casdoor​

In the Casdoor admin console, navigate to Providers and click Add.

Select the following:

  • Category: SAML
  • Type: Custom
  • Metadata: Paste the metadata downloaded from Google Workspace, or manually enter the SSO URL, Entity ID, and certificate.

Click Parse to automatically fill in the fields, then click Save.

Copy the generated SP ACS URL and SP Entity ID values (they should match https://<your-casdoor-domain>/api/acs).

Add Provider to Application​

Edit your Casdoor application and add the Google Workspace SAML provider to the Providers list. Click Save.

Test the Integration​

Navigate to your Casdoor application's login page. You should see a Google Workspace login option. Click it to test the SAML authentication flow.