313 lines
11 KiB
Swift
313 lines
11 KiB
Swift
import SwiftUI
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import AuthenticationServices
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import Alamofire
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import CryptoKit
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import Foundation
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/// 主登录视图 - 处理苹果登录
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struct LoginView: View {
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// MARK: - Properties
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@State private var isLoading = false
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@State private var showError = false
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@State private var errorMessage = ""
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@State private var currentNonce: String?
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@State private var isLoggedIn = false
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// MARK: - Body
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var body: some View {
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ZStack {
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// Background
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Color(red: 1.0, green: 0.67, blue: 0.15)
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.ignoresSafeArea()
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VStack(alignment: .leading, spacing: 4) {
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Text("Hi, I'm MeMo!")
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.font(Typography.font(for: .largeTitle))
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.foregroundColor(.black)
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.frame(maxWidth: .infinity, alignment: .leading)
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.padding(.horizontal, 24)
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.padding(.top, 44)
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Text("Welcome~")
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.font(Typography.font(for: .largeTitle))
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.foregroundColor(.black)
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.frame(maxWidth: .infinity, alignment: .leading)
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.padding(.horizontal, 24)
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.padding(.bottom, 20)
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Spacer()
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}
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.frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .topLeading)
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VStack(spacing: 16) {
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Spacer()
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signInButton()
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.padding(.horizontal, 24)
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termsAndPrivacyView()
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}
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.frame(maxWidth: .infinity)
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.alert(isPresented: $showError) {
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Alert(
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title: Text("Error"),
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message: Text(errorMessage),
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dismissButton: .default(Text("OK"))
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)
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}
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if isLoading {
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loadingView()
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}
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}
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.navigationBarBackButtonHidden(true)
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.navigationBarHidden(true)
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.fullScreenCover(isPresented: $isLoggedIn) {
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NavigationStack {
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UserInfo()
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}
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}
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}
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// MARK: - Views
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private func signInButton() -> some View {
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AppleSignInButton { request in
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let nonce = String.randomURLSafeString(length: 32)
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self.currentNonce = nonce
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request.nonce = self.sha256(nonce)
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} onCompletion: { result in
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switch result {
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case .success(let authResults):
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print("✅ [Apple Sign In] 登录授权成功")
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if let appleIDCredential = authResults.credential as? ASAuthorizationAppleIDCredential {
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self.processAppleIDCredential(appleIDCredential)
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}
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case .failure(let error):
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print("❌ [Apple Sign In] 登录失败: \(error.localizedDescription)")
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self.handleSignInError(error)
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}
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}
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}
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private func termsAndPrivacyView() -> some View {
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VStack(spacing: 4) {
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HStack {
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Text("By continuing, you agree to our")
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.font(.caption)
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.foregroundColor(.themeTextMessage)
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Button("Terms of") {
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openURL("https://yourwebsite.com/terms")
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}
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.font(.caption2)
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.foregroundColor(.themeTextMessageMain)
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}
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.multilineTextAlignment(.center)
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.padding(.horizontal, 24)
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HStack(spacing: 8) {
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Button("Service") {
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openURL("https://yourwebsite.com/terms")
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}
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.font(.caption2)
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.foregroundColor(.themeTextMessageMain)
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Text("and")
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.foregroundColor(.themeTextMessage)
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.font(.caption)
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Button("Privacy Policy") {
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openURL("https://yourwebsite.com/privacy")
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}
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.font(.caption2)
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.foregroundColor(.themeTextMessageMain)
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}
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.padding(.top, 4)
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}
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.fixedSize(horizontal: false, vertical: true)
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.frame(maxWidth: .infinity)
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.padding(.horizontal, 24)
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.padding(.vertical, 12)
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}
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private func loadingView() -> some View {
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ZStack {
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Color.black.opacity(0.4)
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.edgesIgnoringSafeArea(.all)
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ProgressView()
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.scaleEffect(1.5)
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.progressViewStyle(CircularProgressViewStyle(tint: .white))
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}
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}
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// MARK: - Authentication
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private func handleAppleSignIn(result: Result<ASAuthorization, Error>) {
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print("🔵 [Apple Sign In] 开始处理登录结果...")
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switch result {
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case .success(let authResults):
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print("✅ [Apple Sign In] 登录授权成功")
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processAppleIDCredential(authResults.credential)
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case .failure(let error):
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print("❌ [Apple Sign In] 登录失败: \(error.localizedDescription)")
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handleSignInError(error)
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}
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}
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private func processAppleIDCredential(_ credential: ASAuthorizationCredential) {
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print("🔵 [Apple ID] 开始处理凭证...")
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guard let appleIDCredential = credential as? ASAuthorizationAppleIDCredential else {
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print("❌ [Apple ID] 凭证类型不匹配")
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showError(message: "无法处理Apple ID凭证")
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return
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}
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let userId = appleIDCredential.user
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let email = appleIDCredential.email ?? ""
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let fullName = [
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appleIDCredential.fullName?.givenName,
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appleIDCredential.fullName?.familyName
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]
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.compactMap { $0 }
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.joined(separator: " ")
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print("ℹ️ [Apple ID] 用户数据 - ID: \(userId), 邮箱: \(email.isEmpty ? "未提供" : email), 姓名: \(fullName.isEmpty ? "未提供" : fullName)")
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guard let identityTokenData = appleIDCredential.identityToken,
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let identityToken = String(data: identityTokenData, encoding: .utf8) else {
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print("❌ [Apple ID] 无法获取身份令牌")
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showError(message: "无法获取身份令牌")
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return
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}
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var authCode: String? = nil
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if let authCodeData = appleIDCredential.authorizationCode {
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authCode = String(data: authCodeData, encoding: .utf8)
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print("ℹ️ [Apple ID] 获取到授权码")
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} else {
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print("ℹ️ [Apple ID] 未获取到授权码（可选）")
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}
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print("🔵 [Apple ID] 准备调用后端认证...")
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authenticateWithBackend(
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identityToken: identityToken,
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authCode: authCode
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)
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}
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// MARK: - Network
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private func authenticateWithBackend(
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identityToken: String,
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authCode: String?
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) {
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isLoading = true
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print("🔵 [Backend] 开始后端认证...")
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var parameters: [String: Any] = [
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"token": identityToken,
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"provider": "Apple",
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]
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if let authCode = authCode {
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parameters["authorization_code"] = authCode
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}
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NetworkService.shared.post(
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path: "/iam/login/oauth",
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parameters: parameters
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) { (result: Result<AuthResponse, NetworkError>) in
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DispatchQueue.main.async {
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switch result {
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case .success(let authResponse):
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print("✅ [Backend] 认证成功")
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// 保存token等认证信息
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if let loginInfo = authResponse.data?.userLoginInfo {
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KeychainHelper.saveAccessToken(loginInfo.accessToken)
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KeychainHelper.saveRefreshToken(loginInfo.refreshToken)
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// 可以在这里保存其他用户信息，如userId, nickname等
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print("👤 用户ID: \(loginInfo.userId)")
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print("👤 昵称: \(loginInfo.nickname)")
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}
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self.isLoggedIn = true
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case .failure(let error):
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print("❌ [Backend] 认证失败: \(error.localizedDescription)")
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self.errorMessage = error.localizedDescription
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self.showError = true
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self.isLoading = false
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}
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}
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}
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}
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// MARK: - Helpers
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private func handleSuccessfulAuthentication() {
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print("✅ [Auth] 登录成功，准备跳转到用户信息页面...")
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DispatchQueue.main.async {
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self.isLoggedIn = true
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}
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}
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private func handleSignInError(_ error: Error) {
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let errorMessage = (error as NSError).localizedDescription
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print("❌ [Auth] 登录错误: \(errorMessage)")
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showError(message: "登录失败: \(error.localizedDescription)")
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}
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private func handleAuthenticationError(_ error: Error) {
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let errorMessage = error.localizedDescription
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print("❌ [Auth] 认证错误: \(errorMessage)")
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DispatchQueue.main.async {
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self.isLoggedIn = false
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self.showError(message: "登录失败: \(errorMessage)")
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}
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}
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private func showError(message: String) {
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DispatchQueue.main.async {
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self.errorMessage = message
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self.showError = true
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}
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}
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private func openURL(_ string: String) {
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guard let url = URL(string: string) else { return }
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UIApplication.shared.open(url)
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}
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private func sha256(_ input: String) -> String {
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let inputData = Data(input.utf8)
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let hashedData = SHA256.hash(data: inputData)
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return hashedData.compactMap { String(format: "%02x", $0) }.joined()
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}
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}
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// MARK: - Extensions
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extension String {
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static func randomURLSafeString(length: Int) -> String {
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let characters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-._~"
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var randomString = ""
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for _ in 0..<length {
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let randomIndex = Int.random(in: 0..<characters.count)
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let character = characters[characters.index(characters.startIndex, offsetBy: randomIndex)]
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randomString.append(character)
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}
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return randomString
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}
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}
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// MARK: - Preview
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struct LoginView_Previews: PreviewProvider {
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static var previews: some View {
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LoginView()
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}
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} |