Merge pull request #53 from YAPP-Github/BOOK-48-feature/#27

feat: 애플 로그인 환경 세팅

Author: clxxrlove

src/Projects/BKData/Project.swift

@@ -17,7 +17,7 @@ let project = Project.project(
                 .domain(),
                 .external(dependency: .KakaoSDKCommon),
                 .external(dependency: .KakaoSDKAuth),
-                .external(dependency: .KakaoSDKUser),
+                .external(dependency: .KakaoSDKUser)
             ]
         ),
         Target.target(

src/Projects/BKData/Sources/Extension/UIApplication+.swift

@@ -0,0 +1,13 @@
+// Copyright © 2025 Booket. All rights reserved
+
+import UIKit
+
+public extension UIApplication {
+    var keyWindowInActiveScene: UIWindow? {
+        connectedScenes
+            .compactMap { $0 as? UIWindowScene }
+            .first { $0.activationState == .foregroundActive }?
+            .windows
+            .first(where: \.isKeyWindow)
+    }
+}

src/Projects/BKData/Sources/Interface/KakaoUserAPIProtocol.swift

@@ -25,7 +25,7 @@ public protocol KakaoUserAPIProtocol {
 
     /// 카카오 계정 로그인
     func loginWithKakaoAccount(
-        prompts : [KakaoAuthPrompt]?,
+        prompts: [KakaoAuthPrompt]?,
         channelPublicIds: [String]?,
         serviceTerms: [String]?,
         nonce: String?,

src/Projects/BKData/Sources/Interface/Storage/KeyValueStorage.swift

@@ -1,7 +1,7 @@
 // Copyright © 2025 Booket. All rights reserved
 
 public protocol KeyValueStorage {
-  func save<T: Encodable>(_ data: T, for account: String) throws
-  func load<T: Decodable>(for account: String) throws -> T
-  func delete(for account: String) throws
+    func save<T: Encodable>(_ data: T, for account: String) throws
+    func load<T: Decodable>(for account: String) throws -> T
+    func delete(for account: String) throws
 }

…positoryImpl/DefaultAuthRepository.swift …s/Repository/DefaultAuthRepository.swiftsrc/Projects/BKData/Sources/RepositoryImpl/DefaultAuthRepository.swift renamed to src/Projects/BKData/Sources/Repository/DefaultAuthRepository.swift src/Projects/BKData/Sources/RepositoryImpl/DefaultAuthRepository.swift renamed to src/Projects/BKData/Sources/Repository/DefaultAuthRepository.swift

@@ -4,4 +4,4 @@ import BKDomain
 import Combine
 import Foundation
 
-//public final class DefaultAuthRepository: AuthRepository
+// public final class DefaultAuthRepository: AuthRepository

src/Projects/BKData/Sources/Service/AppleLoginDelegateProxy.swift

@@ -0,0 +1,87 @@
+// Copyright © 2025 Booket. All rights reserved
+
+import AuthenticationServices
+import BKDomain
+import Combine
+import UIKit
+
+final class AppleLoginDelegateProxy: NSObject {
+    private var currentSubject: PassthroughSubject<String, AuthError>?
+    private var currentController: ASAuthorizationController?
+}
+
+extension AppleLoginDelegateProxy {
+    func startAuthorization() -> AnyPublisher<String, AuthError> {
+        cancelPreviousAuthorization()
+
+        let subject = PassthroughSubject<String, AuthError>()
+        self.currentSubject = subject
+
+        let controller = makeAuthorizationController()
+        self.currentController = controller
+
+        controller.performRequests()
+
+        return subject
+            .receive(on: DispatchQueue.main)
+            .handleEvents(receiveCompletion: { [weak self] _ in
+                self?.cleanup()
+            }, receiveCancel: { [weak self] in
+                self?.cleanup()
+            })
+            .eraseToAnyPublisher()
+    }
+}
+
+private extension AppleLoginDelegateProxy {
+    func cancelPreviousAuthorization() {
+        currentSubject?.send(completion: .failure(.sdkError(message: "이전 인증 요청 정리")))
+        cleanup()
+    }
+
+    func makeAuthorizationController() -> ASAuthorizationController {
+        let request = ASAuthorizationAppleIDProvider().createRequest()
+        request.requestedScopes = [.email, .fullName]
+
+        let controller = ASAuthorizationController(authorizationRequests: [request])
+        controller.delegate = self
+        controller.presentationContextProvider = self
+        return controller
+    }
+
+    func cleanup() {
+        currentSubject = nil
+        currentController = nil
+    }
+}
+
+extension AppleLoginDelegateProxy: ASAuthorizationControllerDelegate {
+    func authorizationController(
+        controller: ASAuthorizationController,
+        didCompleteWithAuthorization authorization: ASAuthorization
+    ) {
+        guard let credential = authorization.credential as? ASAuthorizationAppleIDCredential,
+              let tokenData = credential.identityToken,
+              let token = String(data: tokenData, encoding: .utf8)
+        else {
+            currentSubject?.send(completion: .failure(.missingToken))
+            return
+        }
+        
+        currentSubject?.send(token)
+        currentSubject?.send(completion: .finished)
+    }
+    
+    func authorizationController(
+        controller: ASAuthorizationController,
+        didCompleteWithError error: Error
+    ) {
+        currentSubject?.send(completion: .failure(.sdkError(message: error.localizedDescription)))
+    }
+}
+
+extension AppleLoginDelegateProxy: ASAuthorizationControllerPresentationContextProviding {
+    func presentationAnchor(for controller: ASAuthorizationController) -> ASPresentationAnchor {
+        return UIApplication.shared.keyWindowInActiveScene ?? UIWindow()
+    }
+}

src/Projects/BKData/Sources/Service/AppleLoginService.swift

@@ -0,0 +1,20 @@
+// Copyright © 2025 Booket. All rights reserved
+
+import AuthenticationServices
+import BKDomain
+import Combine
+import Foundation
+
+public final class AppleLoginService: NSObject, SocialLoginService {
+    public let provider: AuthProvider = .apple
+    private let delegateProxy: AppleLoginDelegateProxy
+    
+    public override init() {
+        self.delegateProxy = AppleLoginDelegateProxy()
+        super.init()
+    }
+    
+    public func login() -> AnyPublisher<String, AuthError> {
+        delegateProxy.startAuthorization()
+    }
+}

…rces/ServiceImpl/KakaoLoginService.swift …/Sources/Service/KakaoLoginService.swiftsrc/Projects/BKData/Sources/ServiceImpl/KakaoLoginService.swift renamed to src/Projects/BKData/Sources/Service/KakaoLoginService.swift src/Projects/BKData/Sources/ServiceImpl/KakaoLoginService.swift renamed to src/Projects/BKData/Sources/Service/KakaoLoginService.swift

@@ -10,7 +10,7 @@ import KakaoSDKUser
 /// 카카오 SDK 로그인 과정을 추상화한 서비스 구현
 /// 앱 설치 여부에 따라 앱 로그인 또는 계정 로그인을 수행하고,
 /// 발급된 accessToken만 방출합니다.
-public final class KakaoLoginService: SocialLoginService {
+public final class KakaoLoginService: NSObject, SocialLoginService {
     /// 이 서비스가 담당할 소셜 공급자
     public let provider: AuthProvider