Apple Login

G8AppleLogin.swift

import Foundation
import AuthenticationServices

@available(iOS 13.0, *)
class G8AppleLogin: NSObject{
    var authController: ASAuthorizationController!
    override init(){
        super.init()
        
        
        
    }
    public func login(showIn: ASAuthorizationControllerPresentationContextProviding){
        let request = ASAuthorizationAppleIDProvider().createRequest()
        request.requestedScopes = [.fullName, .email]
        authController = ASAuthorizationController(authorizationRequests: [request])
        authController.delegate = self
        authController.presentationContextProvider = showIn
        authController.performRequests()
    }
    
}
@available(iOS 13.0, *)
extension G8AppleLogin: ASAuthorizationControllerDelegate{
    //MARK: DELEGATES
    func authorizationController(controller: ASAuthorizationController, didCompleteWithAuthorization authorization: ASAuthorization) {
        if let appleIDCredential = authorization.credential as? ASAuthorizationAppleIDCredential {
//            In this code:
//
//            If you receive details, you know it’s a new registration.
//            Call your registration method once you receive details.
//            Call your existing account method if you don’t receive details.
//            // 1
//            if let _ = appleIdCredential.email, let _ = appleIdCredential.fullName {
//              // 2
//              registerNewAccount(credential: appleIdCredential)
//            } else {
//              // 3
//              signInWithExistingAccount(credential: appleIdCredential)
//            }
           
            print("User Identifier: \(appleIDCredential.user)")
            print("Full Name: \(appleIDCredential.fullName?.givenName ?? "No Name")")
            print("Email: \(appleIDCredential.email ?? "No Email Provided")")
            print("Real Person Status: \(appleIDCredential.realUserStatus.rawValue)")
            print("ID Token: \(String(data: appleIDCredential.identityToken!, encoding: .utf8) ?? "No ID Token Returned")")
            print("AuthorizationCode: \(String(data: appleIDCredential.authorizationCode!, encoding: .utf8) ?? "No Authorization Code Returned")")

            // Convert Data -> String
            guard let authorizationCode = appleIDCredential.authorizationCode, let authCode = String(data: authorizationCode, encoding: .utf8) else
            {
              print("Problem with the authorizationCode")
              return
                }
            
        }
    }
    func authorizationController(controller: ASAuthorizationController, didCompleteWithError error: Error) {
        // Handle error.
        guard let error = error as? ASAuthorizationError else {
            return
        }

        switch error.code {
        case .canceled:
            G8DLog("Canceled")
        case .unknown:
            G8DLog("Unknown")
        case .invalidResponse:
            G8DLog("Invalid Respone")
        case .notHandled:
            G8DLog("Not handled")
        case .failed:
            G8DLog("Failed")
        @unknown default:
            G8DLog("Default")
        }
    }
}