Callback URLs for SwiftUI Apps | Apple Sign-In

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When setting up Apple Sign-In with Auth0 in your SwiftUI app, you may encounter a conflict between the required return URL formats for both Auth0 and Apple Developer Console. To resolve this issue, you can follow these steps:

  1. Update the callback URL in your Auth0 application settings to use the https protocol. You can do this by going to the Auth0 Dashboard, selecting your application, navigating to the “Application” tab, and updating the “Allowed Callback URLs” field. Ensure that the callback URL follows the format: https://YOUR_DOMAIN/ios/YOUR_BUNDLE_IDENTIFIER/callback.

  2. In your Apple Developer Console, when configuring your serviceID for Apple Sign-In, provide a return URL that uses a custom URL scheme instead of the https protocol. For example, you could use: YOUR_BUNDLE_IDENTIFIER://YOUR_DOMAIN/ios/YOUR_BUNDLE_IDENTIFIER/callback.

  3. In your SwiftUI app’s AppDelegate, implement the application(_:open:options:) method to handle the custom URL scheme callback. Extract the callback URL and pass it to the Auth0 SDK for processing. You can refer to the Auth0 documentation or sample code for the specific implementation details.

By using a custom URL scheme for Apple Sign-In and an https URL for Auth0 callback, you can satisfy the requirements of both systems. This approach allows your SwiftUI app to support Apple Sign-In while also integrating with Auth0 for authentication.

Make sure to thoroughly test your app to ensure that the callback flow works correctly for both Apple Sign-In and Auth0 authentication.