signInWithApple

This commit is contained in:
2026-04-10 01:44:02 -05:00
parent ccaf0e179f
commit a8747a4df0
5 changed files with 250 additions and 3 deletions

View File

@@ -429,6 +429,7 @@
buildSettings = {
ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
CODE_SIGN_ENTITLEMENTS = LabWise/LabWise.entitlements;
CODE_SIGN_STYLE = Automatic;
CURRENT_PROJECT_VERSION = 1;
DEVELOPMENT_TEAM = YK2DB9NT3S;
@@ -466,6 +467,7 @@
buildSettings = {
ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
CODE_SIGN_ENTITLEMENTS = LabWise/LabWise.entitlements;
CODE_SIGN_STYLE = Automatic;
CURRENT_PROJECT_VERSION = 1;
DEVELOPMENT_TEAM = YK2DB9NT3S;

View File

@@ -0,0 +1,10 @@
<?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>
<key>com.apple.developer.applesignin</key>
<array>
<string>Default</string>
</array>
</dict>
</plist>

View File

@@ -9,8 +9,14 @@ struct LoginView: View {
@State private var password = ""
@State private var isLoading = false
@State private var isGoogleLoading = false
@State private var isAppleLoading = false
@State private var errorMessage: String?
// Apple sign-in: we generate a fresh raw nonce each time the button is
// tapped, hash it, hand the hash to Apple, then forward the same hash
// to Better Auth so it can verify the JWT echoed back in `nonce`.
@State private var currentAppleRawNonce: String?
private let authClient = AuthClient()
var body: some View {
@@ -86,8 +92,8 @@ struct LoginView: View {
.background(Color(.brandPrimary))
.foregroundStyle(.white)
.clipShape(RoundedRectangle(cornerRadius: 10))
.disabled(email.isEmpty || password.isEmpty || isLoading || isGoogleLoading)
.opacity((email.isEmpty || password.isEmpty || isLoading || isGoogleLoading) ? 0.5 : 1)
.disabled(email.isEmpty || password.isEmpty || isLoading || isGoogleLoading || isAppleLoading)
.opacity((email.isEmpty || password.isEmpty || isLoading || isGoogleLoading || isAppleLoading) ? 0.5 : 1)
HStack {
Rectangle()
@@ -104,7 +110,24 @@ struct LoginView: View {
GoogleSignInButton(isLoading: isGoogleLoading) {
Task { await signInWithGoogle() }
}
.disabled(isLoading || isGoogleLoading)
.disabled(isLoading || isGoogleLoading || isAppleLoading)
SignInWithAppleButton(
onRequest: { request in
let raw = AuthClient.generateAppleNonceRaw()
currentAppleRawNonce = raw
request.requestedScopes = [.fullName, .email]
request.nonce = AuthClient.sha256Hex(raw)
},
onCompletion: { result in
Task { await handleAppleCompletion(result) }
}
)
.signInWithAppleButtonStyle(.black)
.frame(height: 44)
.clipShape(RoundedRectangle(cornerRadius: 10))
.disabled(isLoading || isGoogleLoading || isAppleLoading)
.opacity(isAppleLoading ? 0.5 : 1)
}
.padding(24)
.background(Color(UIColor.secondarySystemGroupedBackground))
@@ -143,6 +166,58 @@ struct LoginView: View {
}
}
@MainActor
private func handleAppleCompletion(_ result: Result<ASAuthorization, Error>) async {
isAppleLoading = true
errorMessage = nil
defer {
isAppleLoading = false
currentAppleRawNonce = nil
}
switch result {
case .failure(let error):
if let asError = error as? ASAuthorizationError, asError.code == .canceled {
return // user cancelled silent
}
errorMessage = "Apple sign-in failed. Please try again."
case .success(let authorization):
guard let credential = authorization.credential as? ASAuthorizationAppleIDCredential,
let identityTokenData = credential.identityToken,
let identityToken = String(data: identityTokenData, encoding: .utf8) else {
errorMessage = "Apple sign-in failed: missing identity token."
return
}
// The hashed nonce we sent to Apple Better Auth needs the same
// value to compare against the JWT's `nonce` claim.
let hashedNonce = currentAppleRawNonce.map(AuthClient.sha256Hex)
// Apple only delivers fullName / email the very first time the
// user authorises this app. Forward whatever we got Better
// Auth's getUserInfo will use these to populate the user record.
let firstName = credential.fullName?.givenName
let lastName = credential.fullName?.familyName
let email = credential.email
do {
let user = try await authClient.signInWithApple(
idToken: identityToken,
hashedNonce: hashedNonce,
firstName: firstName,
lastName: lastName,
email: email
)
appState.signedIn(user: user)
} catch APIError.httpError(_, let data) {
let msg = String(data: data, encoding: .utf8) ?? "Apple sign-in failed."
errorMessage = msg
} catch {
errorMessage = "Apple sign-in failed. Please check your connection."
}
}
}
@MainActor
private func signInWithGoogle() async {
guard let window = UIApplication.shared.connectedScenes

View File

@@ -12,6 +12,7 @@ final class ProfileViewModel {
var isDeleting = false
// Editable fields
var displayName = ""
var piFirstName = ""
var bldgCode = ""
var lab = ""
@@ -36,6 +37,13 @@ final class ProfileViewModel {
isSaving = true
defer { isSaving = false }
do {
let trimmedName = displayName.trimmingCharacters(in: .whitespaces)
if !trimmedName.isEmpty && trimmedName != AppState.shared.currentUser?.name {
let updatedUser = try await authClient.updateName(trimmedName)
await MainActor.run {
AppState.shared.currentUser = updatedUser
}
}
let body = UserProfileUpsertBody(
piFirstName: piFirstName,
bldgCode: bldgCode,
@@ -88,6 +96,11 @@ struct ProfileView: View {
Form {
if let user = appState.currentUser {
Section("Account") {
if viewModel.isEditing {
TextField("Name", text: $viewModel.displayName)
} else {
LabeledContent("Name", value: user.name ?? "")
}
LabeledContent("Email", value: user.email)
}
}
@@ -149,6 +162,7 @@ struct ProfileView: View {
.disabled(viewModel.isSaving)
} else {
Button("Edit") {
viewModel.displayName = appState.currentUser?.name ?? ""
viewModel.isEditing = true
}
}
@@ -157,6 +171,7 @@ struct ProfileView: View {
ToolbarItem(placement: .topBarLeading) {
Button("Cancel") {
viewModel.isEditing = false
viewModel.displayName = appState.currentUser?.name ?? ""
if let p = viewModel.profile {
viewModel.piFirstName = p.piFirstName
viewModel.bldgCode = p.bldgCode

View File

@@ -1,5 +1,6 @@
import Foundation
import AuthenticationServices
import CryptoKit
public struct SignInBody: Encodable, Sendable {
public let email: String
@@ -11,6 +12,35 @@ public struct SignInBody: Encodable, Sendable {
}
}
/// Mirrors Better Auth's POST /sign-in/social body for the id-token (native) flow.
public struct AppleSocialSignInBody: Encodable, Sendable {
public let provider: String
public let idToken: AppleIdTokenPayload
public struct AppleIdTokenPayload: Encodable, Sendable {
public let token: String
public let nonce: String?
public let user: AppleUser?
}
public struct AppleUser: Encodable, Sendable {
public let name: AppleName?
public let email: String?
}
public struct AppleName: Encodable, Sendable {
public let firstName: String?
public let lastName: String?
}
}
/// Better Auth's response from /sign-in/social when an idToken is supplied.
private struct SocialIdTokenResponse: Decodable, Sendable {
let token: String?
let user: AuthUser?
let redirect: Bool?
}
/// Server returns { token, user } directly (or { error: { message } } on failure)
public struct SignInResponse: Decodable, Sendable {
public let token: String?
@@ -161,6 +191,108 @@ public final class AuthClient: Sendable {
return try await fetchCurrentUser()
}
// MARK: - Sign in with Apple
/// Generates a cryptographically random string suitable for use as the
/// raw nonce in a Sign in with Apple request. Pass the SHA-256 hash of
/// this value to ASAuthorizationAppleIDRequest.nonce, and pass the same
/// hashed value to `signInWithApple(idToken:hashedNonce:)`.
public static func generateAppleNonceRaw(length: Int = 32) -> String {
let charset: [Character] = Array("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-._")
var result = ""
var remaining = length
while remaining > 0 {
var randoms = [UInt8](repeating: 0, count: 16)
let status = SecRandomCopyBytes(kSecRandomDefault, randoms.count, &randoms)
precondition(status == errSecSuccess, "Unable to generate secure random bytes for Apple nonce")
for byte in randoms where remaining > 0 {
if byte < charset.count {
result.append(charset[Int(byte)])
remaining -= 1
}
}
}
return result
}
/// SHA-256 hashes the raw nonce as a lowercase hex string. This is the
/// value that should be passed to ASAuthorizationAppleIDRequest.nonce
/// AND forwarded to Better Auth, since the JWT Apple returns echoes back
/// the hashed nonce.
public static func sha256Hex(_ input: String) -> String {
let digest = SHA256.hash(data: Data(input.utf8))
return digest.map { String(format: "%02x", $0) }.joined()
}
/// Completes Sign in with Apple using a native identity token.
///
/// Flow:
/// 1. The caller obtains an `ASAuthorizationAppleIDCredential` via
/// `ASAuthorizationController` (typically through SwiftUI's
/// `SignInWithAppleButton`).
/// 2. The caller passes the credential's `identityToken` (decoded as a
/// UTF-8 string), the SHA-256-hashed nonce that was used in the
/// request, and the user's name (only available the very first time
/// Apple consents the user) to this method.
/// 3. We POST `{ provider: "apple", idToken: { token, nonce, user } }`
/// to Better Auth's `/api/auth/sign-in/social` endpoint. Better Auth
/// verifies the JWT against Apple's public keys (audience = our iOS
/// bundle identifier) and returns the session token.
/// 4. We inject the returned token into HTTPCookieStorage so subsequent
/// URLSession requests are authenticated, then return the user.
public func signInWithApple(
idToken: String,
hashedNonce: String?,
firstName: String? = nil,
lastName: String? = nil,
email: String? = nil
) async throws -> AuthUser {
let userPayload: AppleSocialSignInBody.AppleUser?
if firstName != nil || lastName != nil || email != nil {
userPayload = .init(
name: (firstName != nil || lastName != nil)
? .init(firstName: firstName, lastName: lastName)
: nil,
email: email
)
} else {
userPayload = nil
}
let body = AppleSocialSignInBody(
provider: "apple",
idToken: .init(token: idToken, nonce: hashedNonce, user: userPayload)
)
let encoded = try JSONEncoder().encode(body)
var req = URLRequest(url: URL(string: "\(baseURL)/api/auth/sign-in/social")!)
req.httpMethod = "POST"
req.setValue("application/json", forHTTPHeaderField: "Content-Type")
req.setValue(baseURL, forHTTPHeaderField: "Origin")
req.httpBody = encoded
let session = sharedURLSession()
let (data, response) = try await session.data(for: req)
guard let http = response as? HTTPURLResponse else {
throw APIError.networkError(URLError(.badServerResponse))
}
guard http.statusCode == 200 else {
throw APIError.httpError(statusCode: http.statusCode, data: data)
}
let decoded = try JSONDecoder.api.decode(SocialIdTokenResponse.self, from: data)
guard let user = decoded.user else {
throw APIError.decodingError(DecodingError.dataCorrupted(
.init(codingPath: [], debugDescription: "Missing user in Apple sign-in response")
))
}
if let token = decoded.token {
injectSessionCookie(token: token)
}
return user
}
// MARK: - Cookie injection
private func injectSessionCookie(token: String) {
@@ -200,6 +332,19 @@ public final class AuthClient: Sendable {
return user
}
// MARK: - Update Name
private struct UpdateNameBody: Encodable, Sendable {
let name: String
}
/// Update the authenticated user's display name.
public func updateName(_ name: String) async throws -> AuthUser {
let body = UpdateNameBody(name: name)
_ = try await api.postRaw("/api/auth/update-user", body: body)
return try await fetchCurrentUser()
}
// MARK: - Delete Account
/// Permanently delete the user's account and all associated data.