furydeveloper

import KakaoSDKCommon

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {

  ...
  KakaoSDKCommon.initSDK(appKey: "NATIVE_APP_KEY")
  ...

}

furydeveloper

import KakaoSDKAuth
...

class SceneDelegate: UIResponder, UIWindowSceneDelegate {
  ...
  func scene(_ scene: UIScene, openURLContexts URLContexts: Set<UIOpenURLContext>) {
    if let url = URLContexts.first?.url {
      if (AuthApi.isKakaoTalkLoginUrl(url)) {
        _ = AuthController.handleOpenUrl(url: url)
      }

furydeveloper

import KakaoSDKAuth
...

class AppDelegate: UIResponder, UIApplicationDelegate {
  ...
  func application(_ app: UIApplication, open url: URL, options: [UIApplication.OpenURLOptionsKey : Any] = [:]) -> Bool {
    if (AuthApi.isKakaoTalkLoginUrl(url)) {
      return AuthController.handleOpenUrl(url: url)    
    }

furydeveloper

func sceneDidEnterBackground(_ scene: UIScene) {
  KOSession.handleDidEnterBackground()
}
    
func sceneDidBecomeActive(_ scene: UIScene) {
  KOSession.handleDidBecomeActive()
}

func scene(_ scene: UIScene, openURLContexts URLContexts: Set<UIOpenURLContext>) {
  if let url = URLContexts.first?.url {

furydeveloper

func scene(_ scene: UIScene, openURLContexts URLContexts: Set<UIOpenURLContext>) {
  NaverThirdPartyLoginConnection
    .getSharedInstance()?
    .receiveAccessToken(URLContexts.first?.url)
}

furydeveloper

extension ViewController: ASAuthorizationControllerPresentationContextProviding {
  func presentationAnchor(for controller: ASAuthorizationController) -> ASPresentationAnchor {
    return self.view.window!
  }
}

furydeveloper

@available(iOS 13.0, *)
extension MainViewController: ASAuthorizationControllerDelegate {

  func authorizationController(controller: ASAuthorizationController, didCompleteWithAuthorization authorization: ASAuthorization) {
    if let appleIDCredential = authorization.credential as? ASAuthorizationAppleIDCredential {
      guard let nonce = currentNonce else {
        fatalError("Invalid state: A login callback was received, but no login request was sent.")
      }
      guard let appleIDToken = appleIDCredential.identityToken else {
        print("Unable to fetch identity token")

furydeveloper

// Unhashed nonce.
fileprivate var currentNonce: String?

@available(iOS 13, *)
func startSignInWithAppleFlow() {
  let nonce = randomNonceString()
  currentNonce = nonce
  let appleIDProvider = ASAuthorizationAppleIDProvider()
  let request = appleIDProvider.createRequest()
  request.requestedScopes = [.fullName, .email]

furydeveloper

// Adapted from https://auth0.com/docs/api-auth/tutorials/nonce#generate-a-cryptographically-random-nonce
private func randomNonceString(length: Int = 32) -> String {
  precondition(length > 0)
  let charset: Array<Character> =
      Array("0123456789ABCDEFGHIJKLMNOPQRSTUVXYZabcdefghijklmnopqrstuvwxyz-._")
  var result = ""
  var remainingLength = length

  while remainingLength > 0 {
    let randoms: [UInt8] = (0 ..< 16).map { _ in

furydeveloper

self.view.window?.rootViewController?.dismiss(animated: false, completion: {
  let homeVC = HomeViewController()
  homeVC.modalPresentationStyle = .fullScreen
  let appDelegate = UIApplication.shared.delegate as! AppDelegate
  appDelegate.window?.rootViewController?.present(homeVC, animated: true, completion: nil)
})