<div id="readability-page-1" class="page"><div>Apple SignIn feature를 <code>DelegateProxy</code> 를 이용하여 Rx Extension 구현<h2 id="rxswift-extension">rxswift extension</h2><pre data-lang="swift"><code data-lang="swift">
import AuthenticationServices
import RxCocoa
import RxSwift
import UIKit

@available(iOS 13.0, *)
extension ASAuthorizationController: HasDelegate {
 public typealias Delegate = ASAuthorizationControllerDelegate
}

@available(iOS 13.0, *)
class ASAuthorizationControllerProxy: DelegateProxy&lt;ASAuthorizationController, ASAuthorizationControllerDelegate&gt;,
 DelegateProxyType,
 ASAuthorizationControllerDelegate,
ASAuthorizationControllerPresentationContextProviding {

 var presentationWindow: UIWindow = UIWindow()

 public init(controller: ASAuthorizationController) {
 super.init(parentObject: controller, delegateProxy: ASAuthorizationControllerProxy.self)
 }

 // MARK: - DelegateProxyType
 public static func registerKnownImplementations() {
 register { ASAuthorizationControllerProxy(controller: $0) }
 }

 // MARK: - Proxy Subject
 internal lazy var didComplete = PublishSubject&lt;ASAuthorization&gt;()

 // MARK: - ASAuthorizationControllerDelegate
 func authorizationController(controller: ASAuthorizationController, didCompleteWithAuthorization authorization: ASAuthorization) {
 didComplete.onNext(authorization)
 didComplete.onCompleted()
 }

 func authorizationController(controller: ASAuthorizationController, didCompleteWithError error: Error) {
 didComplete.onCompleted()
 }

 // MARK: - ASAuthorizationControllerPresentationContextProviding
 func presentationAnchor(for controller: ASAuthorizationController) -&gt; ASPresentationAnchor {
 return presentationWindow
 }

 // MARK: - Completed
 deinit {
 self.didComplete.onCompleted()
 }
}



@available(iOS 13.0, *)
extension Reactive where Base: ASAuthorizationAppleIDProvider {
 public func login(scope: [ASAuthorization.Scope]? = nil) -&gt; Observable&lt;ASAuthorization&gt; {
 let request = base.createRequest()
 request.requestedScopes = scope

 let controller = ASAuthorizationController(authorizationRequests: [request])

 let proxy = ASAuthorizationControllerProxy.proxy(for: controller)

 controller.presentationContextProvider = proxy
 controller.performRequests()

 return proxy.didComplete
 }
}

@available(iOS 13.0, *)
extension Reactive where Base: ASAuthorizationAppleIDButton {
 public func loginOnTap(scope: [ASAuthorization.Scope]? = nil) -&gt; Observable&lt;ASAuthorization&gt; {
 return controlEvent(.touchUpInside)
 .flatMap {
 ASAuthorizationAppleIDProvider().rx.login(scope: scope)
 }
 }

 public func login(scope: [ASAuthorization.Scope]? = nil) -&gt; Observable&lt;ASAuthorization&gt; {
 return ASAuthorizationAppleIDProvider().rx.login(scope: scope)
 }
}
</code></pre><ul><li>아래와 같이 사용</li></ul><pre data-lang="swift"><code data-lang="swift"> if #available(iOS 13.0, *) {
 appleSignInButton.rx
 .loginOnTap(scope: [.fullName, .email])
 .map { $0.credential as? ASAuthorizationAppleIDCredential }
 .filterNil()
 .subscribe(onNext: { [weak self] credential in
 guard let `self` = self else { return }
 FireBaseAnalytics.shared.sendEvent(name: "login",
 params: ["method":"apple"])

 CommonSignInRoutines.onTouchConnectWithApple(self)
 AppleAuthenticationService.shared.signInPublisher.onNext(credential)

 }, onError: { error in
 logger.error("#### error \(error.localizedDescription)", context: LogCategory.appleLogin)
 }).disposed(by: self.disposeBag)
 }
</code></pre><h2 id="resource">resource</h2><ul><li>https://sarunw.com/posts/sign-in-with-apple-1/</li><li>https://medium.com/@twih1203/애플-로그인-구현하기-sign-in-with-apple-1-5db7606867</li><li></li></ul></div></div>

kwanghyun won

Apple SignIn feature를 DelegateProxy 를 이용하여 Rx Extension 구현

Sign in with Apple

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