[Feature] 애플 로그인 구현 #25
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,5 @@ | ||
| <?xml version="1.0" encoding="UTF-8"?> | ||
| <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> | ||
| <plist version="1.0"> | ||
| <dict/> | ||
| </plist> |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,122 @@ | ||
| // | ||
| // LoginViewModel.swift | ||
| // Mark-In | ||
| // | ||
| // Created by 이정동 on 5/1/25. | ||
| // | ||
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| import Foundation | ||
| import AuthenticationServices | ||
| import SwiftUI | ||
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| import FirebaseAuth | ||
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| import Util | ||
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| @Observable | ||
| final class LoginViewModel: Reducer { | ||
| struct State { | ||
| var isSignInSuccess: Bool = false | ||
| } | ||
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| enum Action { | ||
| case appleLoginButtonTapped(AuthorizationController) | ||
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| case signInError(SignInError) | ||
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| case firebaseAuthRequest(AuthCredential) | ||
| case firebaseAuthResponse(Result<Void, Error>) | ||
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| case empty | ||
| } | ||
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| private(set) var state: State = .init() | ||
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| func send(_ action: Action) { | ||
| let effect = reduce(state: &state, action: action) | ||
| handleEffect(effect) | ||
| } | ||
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| func reduce(state: inout State, action: Action) -> Effect<Action> { | ||
| switch action { | ||
| case .appleLoginButtonTapped(let authController): | ||
| /// 1. 애플 로그인 요청을 위한 객체 생성 | ||
| let requestProvider = SignInWithAppleRequestProvider() | ||
| let request = requestProvider.makeRequest() | ||
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| /// 2. 애플 로그인 인증 요청 | ||
| return .run { [nonce = requestProvider.currentNonce] in | ||
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| /// 중간에 로그인을 취소하거나, 애플 로그인 인증 방식이 아닌 경우는 빈 액션 반환 | ||
| /// (에러 상황은 아니고, 어떠한 액션을 던질 필요가 없음) | ||
| guard let result = try? await authController.performRequest(request), | ||
| case let .appleID(idCredential) = result else { return .empty } | ||
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| /// 애플 로그인 정보에 필요한 정보들이 누락되는 경우 | ||
| guard let nonce, | ||
| let appleIDToken = idCredential.identityToken, | ||
| let idTokenString = String(data: appleIDToken, encoding: .utf8) else { | ||
| return .signInError(.invalid) | ||
| } | ||
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| /// Firebase 인증 요청을 위한 AuthCredential 생성 | ||
| let credential = OAuthProvider.appleCredential( | ||
| withIDToken: idTokenString, | ||
| rawNonce: nonce, | ||
| fullName: idCredential.fullName | ||
| ) | ||
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| return .firebaseAuthRequest(credential) | ||
| } | ||
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| // TODO: 에러 처리 필요 | ||
| case .signInError(_): | ||
| return .none | ||
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| // TODO: 현재는 러프하고 구현된 상태. 구글 로그인까지 구현 후 디테일 수정 | ||
| case .firebaseAuthRequest(let credential): | ||
| return .run { | ||
| do { | ||
| /// Firebase 인증 요청 | ||
| let _ = try await Auth.auth().signIn(with: credential) | ||
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| return .firebaseAuthResponse(.success(())) | ||
| } catch { | ||
| return .firebaseAuthResponse(.failure(error)) | ||
| } | ||
| } | ||
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| case .firebaseAuthResponse(let result): | ||
| switch result { | ||
| case .success(_): | ||
| state.isSignInSuccess = true | ||
| case .failure(let error): | ||
| // TODO: 에러 처리 필요 | ||
| let _ = error as? AuthErrorCode | ||
| break | ||
| } | ||
| return .none | ||
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| case .empty: | ||
| return .none | ||
| } | ||
| } | ||
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| private func handleEffect(_ effect: Effect<Action>) { | ||
| switch effect { | ||
| case .none: | ||
| break | ||
| case .run(let action): | ||
| Task { | ||
| let newAction = await action() | ||
| send(newAction) | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| extension LoginViewModel { | ||
| enum SignInError: Error { | ||
| case invalid | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| // | ||
| // SignInWithAppleRequestProvider.swift | ||
| // Mark-In | ||
| // | ||
| // Created by 이정동 on 5/2/25. | ||
| // | ||
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| import Foundation | ||
| import CryptoKit | ||
| import AuthenticationServices | ||
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| final class SignInWithAppleRequestProvider { | ||
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| private(set) var currentNonce: String? | ||
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| func makeRequest() -> ASAuthorizationAppleIDRequest { | ||
| let nonce = self.randomNonceString() | ||
| let appleIDProvider = ASAuthorizationAppleIDProvider() | ||
| let request = appleIDProvider.createRequest() | ||
| request.requestedScopes = [.fullName, .email] | ||
| request.nonce = self.sha256(nonce) | ||
| self.currentNonce = nonce | ||
| return request | ||
| } | ||
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| private func randomNonceString(length: Int = 32) -> String { | ||
| precondition(length > 0) | ||
| var randomBytes = [UInt8](repeating: 0, count: length) | ||
| let errorCode = SecRandomCopyBytes(kSecRandomDefault, randomBytes.count, &randomBytes) | ||
| if errorCode != errSecSuccess { | ||
| fatalError( | ||
| "Unable to generate nonce. SecRandomCopyBytes failed with OSStatus \(errorCode)" | ||
| ) | ||
| } | ||
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| let charset: [Character] = | ||
| Array("0123456789ABCDEFGHIJKLMNOPQRSTUVXYZabcdefghijklmnopqrstuvwxyz-._") | ||
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| let nonce = randomBytes.map { byte in | ||
| // Pick a random character from the set, wrapping around if needed. | ||
| charset[Int(byte) % charset.count] | ||
| } | ||
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| return String(nonce) | ||
| } | ||
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| private func sha256(_ input: String) -> String { | ||
| let inputData = Data(input.utf8) | ||
| let hashedData = SHA256.hash(data: inputData) | ||
| let hashString = hashedData.compactMap { String(format: "%02x", $0) }.joined() | ||
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| return hashString | ||
| } | ||
| } | ||
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a-z 정렬하면 더 좋아요