Automate iOS authentication flows with Sign in with Apple, OAuth, and biometric re-authentication.
npx skills add https://github.com/femitz/flyby --skill authentication-femitz
Please help me install this Agent Skill. Skill: authentication Source: https://github.com/femitz/flyby/tree/main/.agents/skills/authentication Command: npx skills add https://github.com/femitz/flyby --skill authentication-femitz
Implementing robust authentication flows on iOS across Sign in with Apple, OAuth, password AutoFill, and biometric re-authentication, with secure token handling.
Integrate Sign in with Apple, OAuth, and biometric authentication in your iOS app and secure tokens in the Keychain for server validation.
High-intent search queries and answers about installing and using this skill.
To implement Sign in with Apple in SwiftUI, use the SignInWithAppleButton to trigger the ASAuthorizationAppleIDProvider flow, retrieve the ASAuthorizationAppleIDCredential, and store tokens in the Keychain for server validation.
ASWebAuthenticationSession manages iOS OAuth flows by presenting a secure browser context for user authentication, capturing the callback URL, and securely extracting authorization codes for Keychain token storage.
Yes, LAContext enables biometric re-authentication after initial sign-in by verifying Face ID or Touch ID, allowing apps to silently restore sessions or secure sensitive actions without requiring users to re-enter credentials.
The best way to securely store OAuth tokens in an iOS app is using the Keychain, which provides encrypted credential storage for server-validated identity tokens and enables silent session restoration during app launch.
You need to check credential state with ASAuthorizationAppleIDProvider to detect token revocation, ensuring your app handles sign-outs properly and removes stored Keychain tokens when users disconnect their Apple ID.
Yes, iOS password AutoFill works with ASPasswordCredential to streamline existing account setup flows, allowing users to authenticate quickly by selecting saved credentials during app onboarding or sign-in.
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