fix(auth): conform to LocalizedError in AmplifyError

Amplify/Categories/API/Error/APIError.swift

@@ -54,7 +54,7 @@ extension APIError: AmplifyError {
         }
     }
 
-    public var errorDescription: ErrorDescription {
+    public var errorDescription: ErrorDescription? {
         switch self {
         case .unknown(let errorDescription, _, _):
             return "Unexpected error occurred with message: \(errorDescription)"

Amplify/Categories/API/Response/GraphQLResponse.swift

@@ -33,7 +33,7 @@ public enum GraphQLResponseError<ResponseType: Decodable>: AmplifyError {
     /// An unknown error occurred
     case unknown(ErrorDescription, RecoverySuggestion, Error?)
 
-    public var errorDescription: ErrorDescription {
+    public var errorDescription: ErrorDescription? {
         switch self {
         case .error(let errors):
             return "GraphQL service returned a successful response containing errors: \(errors)"

Amplify/Categories/Analytics/Error/AnalyticsError.swift

@@ -17,7 +17,7 @@ public enum AnalyticsError {
 
 extension AnalyticsError: AmplifyError {
     /// Error Description
-    public var errorDescription: ErrorDescription {
+    public var errorDescription: ErrorDescription? {
         switch self {
         case .configuration(let errorDescription, _, _):
             return errorDescription

Amplify/Categories/Auth/Error/AuthError.swift

@@ -51,20 +51,20 @@ extension AuthError: AmplifyError {
         }
     }
 
-    public var errorDescription: ErrorDescription {
-        switch self {
-        case .configuration(let errorDescription, _, _),
-             .service(let errorDescription, _, _),
-             .validation(_, let errorDescription, _, _),
-             .notAuthorized(let errorDescription, _, _),
-             .signedOut(let errorDescription, _, _),
-             .sessionExpired(let errorDescription, _, _),
-             .invalidState(let errorDescription, _, _):
-            return errorDescription
-        case .unknown(let errorDescription, _):
-            return "Unexpected error occurred with message: \(errorDescription)"
-        }
-    }
+//    public var errorDescription: ErrorDescription? {
+//        switch self {
+//        case .configuration(let errorDescription, _, _),
+//             .service(let errorDescription, _, _),
+//             .validation(_, let errorDescription, _, _),
+//             .notAuthorized(let errorDescription, _, _),
+//             .signedOut(let errorDescription, _, _),
+//             .sessionExpired(let errorDescription, _, _),
+//             .invalidState(let errorDescription, _, _):
+//            return errorDescription
+//        case .unknown(let errorDescription, _):
+//            return "Unexpected error occurred with message: \(errorDescription)"
+//        }
+//    }
 
     public var recoverySuggestion: RecoverySuggestion {
         switch self {
@@ -113,3 +113,52 @@ extension AuthError: Equatable {
         }
     }
 }
+
+extension AuthError {
+    public var errorDescription: ErrorDescription? {
+        var message  = ""
+        switch self {
+        case .configuration(let errorDescription, let recoverySuggestion, let error):
+            message = "Configuration error: \(errorDescription). \(recoverySuggestion)"
+            if let error = error {
+                message += " Underlying error: \(error.localizedDescription)"
+            }
+        case .service(let errorDescription, let recoverySuggestion, let error):
+            message = "Service error: \(errorDescription). \(recoverySuggestion)"
+            if let error = error {
+                message += " Underlying error: \(error.localizedDescription)"
+            }
+        case .unknown(let errorDescription, let error):
+            message = "Unknown error: \(errorDescription)"
+            if let error = error {
+                message += " Underlying error: \(error.localizedDescription)"
+            }
+        case .validation(let field, let errorDescription, let recoverySuggestion, let error):
+            message = "Validation error for field: \(field). \(errorDescription). \(recoverySuggestion)"
+            if let error = error {
+                message += " Underlying error: \(error.localizedDescription)"
+            }
+        case .notAuthorized(let errorDescription, let recoverySuggestion, let error):
+            message = "Not authorized error: \(errorDescription). \(recoverySuggestion)"
+            if let error = error {
+                message += " Underlying error: \(error.localizedDescription)"
+            }
+        case .signedOut(let errorDescription, let recoverySuggestion, let error):
+            message = "Signed out: \(errorDescription). \(recoverySuggestion)"
+            if let error = error {
+                message += " Underlying error: \(error.localizedDescription)"
+            }
+        case .sessionExpired(let errorDescription, let recoverySuggestion, let error):
+            message = "Session expired: \(errorDescription). \(recoverySuggestion)"
+            if let error = error {
+                message += " Underlying error: \(error.localizedDescription)"
+            }
+        case .invalidState(let errorDescription, let recoverySuggestion, let error):
+            message = "Invalid state: \(errorDescription). \(recoverySuggestion)"
+            if let error = error {
+                message += " Underlying error: \(error.localizedDescription)"
+            }
+        }
+        return "\(String(describing: Self.self)): \(message)"
+    }
+}

Amplify/Categories/DataStore/DataStoreError.swift

@@ -27,7 +27,7 @@ public enum DataStoreError: Error {
 // MARK: - AmplifyError
 
 extension DataStoreError: AmplifyError {
-    public var errorDescription: ErrorDescription {
+    public var errorDescription: ErrorDescription? {
         switch self {
         case .api(let error, _):
             return error.errorDescription

Amplify/Categories/Geo/Types/Geo+Error.swift

@@ -40,7 +40,7 @@ extension Geo.Error: AmplifyError {
     }
 
     /// Error Description
-    public var errorDescription: ErrorDescription {
+    public var errorDescription: ErrorDescription? {
         switch self {
         case .invalidConfiguration(let errorDescription, _, _),
              .networkError(let errorDescription, _, _),

Amplify/Categories/Hub/HubError.swift

@@ -12,7 +12,7 @@ public enum HubError {
 }
 
 extension HubError: AmplifyError {
-    public var errorDescription: ErrorDescription {
+    public var errorDescription: ErrorDescription? {
         switch self {
         case .configuration(let description, _, _),
              .unknownError(let description, _, _):

Amplify/Categories/Logging/LoggingError.swift

@@ -11,7 +11,7 @@ public enum LoggingError {
 }
 
 extension LoggingError: AmplifyError {
-    public var errorDescription: ErrorDescription {
+    public var errorDescription: ErrorDescription? {
         switch self {
         case .configuration(let errorDescription, _, _):
             return errorDescription

Amplify/Categories/Notifications/PushNotifications/Error/PushNotificationsError.swift

@@ -20,7 +20,7 @@ public enum PushNotificationsError {
 }
 
 extension PushNotificationsError: AmplifyError {
-    public var errorDescription: ErrorDescription {
+    public var errorDescription: ErrorDescription? {
         switch self {
         case .configuration(let description, _, _),
              .network(let description, _, _),

Amplify/Categories/Predictions/Error/PredictionsError.swift

@@ -16,7 +16,7 @@ public enum PredictionsError {
 }
 
 extension PredictionsError: AmplifyError {
-    public var errorDescription: ErrorDescription {
+    public var errorDescription: ErrorDescription? {
         switch self {
         case .client(let clientError):
             return "A client error occurred with message:\(clientError.description)"

Amplify/Categories/Storage/Error/StorageError.swift

@@ -59,7 +59,7 @@ public enum StorageError {
 }
 
 extension StorageError: AmplifyError {
-    public var errorDescription: ErrorDescription {
+    public var errorDescription: ErrorDescription? {
         switch self {
         case .accessDenied(let errorDescription, _, _),
              .authError(let errorDescription, _, _),

Amplify/Core/Configuration/ConfigurationError.swift

@@ -39,7 +39,7 @@ public enum ConfigurationError {
 
 extension ConfigurationError: AmplifyError {
     /// - Tag: ConfigurationError.errorDescription
-    public var errorDescription: ErrorDescription {
+    public var errorDescription: ErrorDescription? {
         switch self {
         case .amplifyAlreadyConfigured(let description, _, _),
              .invalidAmplifyConfigurationFile(let description, _, _),

Amplify/Core/Error/CoreError.swift

@@ -23,7 +23,7 @@ public enum CoreError {
 
 extension CoreError: AmplifyError {
     /// - Tag: CoreError.errorDescription
-    public var errorDescription: ErrorDescription {
+    public var errorDescription: ErrorDescription? {
         switch self {
         case .listOperation(let errorDescription, _, _),
              .clientValidation(let errorDescription, _, _):

Amplify/Core/Plugin/PluginError.swift

@@ -22,7 +22,7 @@ public enum PluginError {
 }
 
 extension PluginError: AmplifyError {
-    public var errorDescription: ErrorDescription {
+    public var errorDescription: ErrorDescription? {
         switch self {
         case .mismatchedPlugin(let description, _, _),
              .noSuchPlugin(let description, _, _),

Amplify/Core/Support/AmplifyError.swift

@@ -34,12 +34,12 @@ public typealias TargetIdentityId = String
 /// recovery suggestions and error messages.
 ///
 /// - Tag: AmplifyError
-public protocol AmplifyError: Error, CustomDebugStringConvertible {
+public protocol AmplifyError: LocalizedError, CustomDebugStringConvertible {
 
     /// A localized message describing what error occurred.
     ///
     /// - Tag: AmplifyError.errorDescription
-    var errorDescription: ErrorDescription { get }
+    var errorDescription: ErrorDescription? { get }
 
     /// A localized message describing how one might recover from the failure.
     ///
@@ -66,7 +66,7 @@ public extension AmplifyError {
     var debugDescription: String {
         let errorType = type(of: self)
 
-        var components = ["\(errorType): \(errorDescription)"]
+        var components = ["\(errorType): \(errorDescription ?? "")"]
 
         if !recoverySuggestion.isEmpty {
             components.append("Recovery suggestion: \(recoverySuggestion)")

AmplifyPlugins/API/Sources/AWSAPIPlugin/Interceptor/AWSAPICategoryPluginError.swift

@@ -12,7 +12,7 @@ public enum AWSAPICategoryPluginError {
 }
 
 extension AWSAPICategoryPluginError: AmplifyError {
-    public var errorDescription: ErrorDescription {
+    public var errorDescription: ErrorDescription? {
         switch self {
         case .configuration(let errorDescription, _, _):
             return errorDescription

AmplifyPlugins/Analytics/Sources/AWSPinpointAnalyticsPlugin/Support/Utils/AnalyticsErrorHelper.swift

@@ -15,7 +15,7 @@ enum AnalyticsErrorHelper {
         case let error as AnalyticsErrorConvertible:
             return error.analyticsError
         case let error as AuthError:
-            return .configuration(error.errorDescription, error.recoverySuggestion, error)
+            return .configuration(error.errorDescription ?? "", error.recoverySuggestion, error)
         default:
             return getDefaultError(error as NSError)
         }

AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Actions/SignIn/SoftwareTokenSetup/CompleteTOTPSetup.swift

@@ -83,14 +83,14 @@ struct CompleteTOTPSetup: Action {
             await dispatcher.send(responseEvent)
 
         } catch let error as SignInError {
-            logError(error.authError.errorDescription, environment: environment)
+            logError(error.authError.errorDescription ?? "", environment: environment)
             let errorEvent = SignInEvent(eventType: .throwAuthError(error))
             logVerbose("\(#fileID) Sending event \(errorEvent)",
                        environment: environment)
             await dispatcher.send(errorEvent)
         } catch {
             let error = SignInError.service(error: error)
-            logError(error.authError.errorDescription, environment: environment)
+            logError(error.authError.errorDescription ?? "", environment: environment)
             let errorEvent = SignInEvent(eventType: .throwAuthError(error))
             logVerbose("\(#fileID) Sending event \(errorEvent)",
                        environment: environment)

AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Actions/SignIn/SoftwareTokenSetup/SetUpTOTP.swift

@@ -44,14 +44,14 @@ struct SetUpTOTP: Action {
                        environment: environment)
             await dispatcher.send(responseEvent)
         } catch let error as SignInError {
-            logError(error.authError.errorDescription, environment: environment)
+            logError(error.authError.errorDescription ?? "", environment: environment)
             let errorEvent = SetUpTOTPEvent(eventType: .throwError(error))
             logVerbose("\(#fileID) Sending event \(errorEvent)",
                        environment: environment)
             await dispatcher.send(errorEvent)
         } catch {
             let error = SignInError.service(error: error)
-            logError(error.authError.errorDescription, environment: environment)
+            logError(error.authError.errorDescription ?? "", environment: environment)
             let errorEvent = SetUpTOTPEvent(eventType: .throwError(error))
             logVerbose("\(#fileID) Sending event \(errorEvent)",
                        environment: environment)

AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Actions/SignIn/SoftwareTokenSetup/VerifyTOTPSetup.swift

@@ -40,14 +40,14 @@ struct VerifyTOTPSetup: Action {
                        environment: environment)
             await dispatcher.send(responseEvent)
         } catch let error as SignInError {
-            logError(error.authError.errorDescription, environment: environment)
+            logError(error.authError.errorDescription ?? "", environment: environment)
             let errorEvent = SetUpTOTPEvent(eventType: .throwError(error))
             logVerbose("\(#fileID) Sending event \(errorEvent)",
                        environment: environment)
             await dispatcher.send(errorEvent)
         } catch {
             let error = SignInError.service(error: error)
-            logError(error.authError.errorDescription, environment: environment)
+            logError(error.authError.errorDescription ?? "", environment: environment)
             let errorEvent = SetUpTOTPEvent(eventType: .throwError(error))
             logVerbose("\(#fileID) Sending event \(errorEvent)",
                        environment: environment)

AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/ClientBehavior/AWSCognitoAuthPlugin+UserBehavior.swift

@@ -99,6 +99,7 @@ public extension AWSCognitoAuthPlugin {
     }
 
     func getCurrentUser() async throws -> AuthUser {
+        print(AuthError.service("test", "test", AWSCognitoAuthError.aliasExists))
         let taskHelper = AWSAuthTaskHelper(authStateMachine: authStateMachine)
         return try await taskHelper.getCurrentUser()
     }

AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/StateMachine/ErrorMapping/KeychainStoreError+AuthConvertible.swift

@@ -22,9 +22,9 @@ extension KeychainStoreError: AuthErrorConvertible {
         case .codingError(let errorDescription, let error):
             return .configuration(errorDescription, self.recoverySuggestion, error)
         case .itemNotFound:
-            return .service(self.errorDescription, self.recoverySuggestion)
+            return .service(self.errorDescription ?? "", self.recoverySuggestion)
         case .securityError:
-            return .service(self.errorDescription, self.recoverySuggestion)
+            return .service(self.errorDescription ?? "", self.recoverySuggestion)
         }
     }
 }

AmplifyPlugins/Core/AWSPluginsCore/Keychain/KeychainStoreError.swift

@@ -47,7 +47,7 @@ extension KeychainStoreError: AmplifyError {
     }
 
     /// Error Description
-    public var errorDescription: ErrorDescription {
+    public var errorDescription: ErrorDescription? {
         switch self {
         case .conversionError(let errorDescription, _), .codingError(let errorDescription, _):
             return errorDescription

AmplifyPlugins/Core/AmplifyCredentials/CustomHttpClientEngine/FoundationClientEngineError.swift

@@ -10,7 +10,7 @@ import Amplify
 import SmithyHTTPAPI
 
 struct FoundationClientEngineError: AmplifyError {
-    let errorDescription: ErrorDescription
+    let errorDescription: ErrorDescription?
     let recoverySuggestion: RecoverySuggestion
     let underlyingError: Error?
 

AmplifyPlugins/DataStore/Sources/AWSDataStorePlugin/Sync/RemoteSyncEngine.swift

@@ -335,7 +335,7 @@ class RemoteSyncEngine: RemoteSyncEngineBehavior {
             }
 
             if case .failure(let dataStoreError) = result {
-                self.log.error(dataStoreError.errorDescription)
+                self.log.error(dataStoreError.errorDescription ?? "")
                 self.log.error(dataStoreError.recoverySuggestion)
                 if let underlyingError = dataStoreError.underlyingError {
                     self.log.error("\(underlyingError)")

AmplifyPlugins/DataStore/Sources/AWSDataStorePlugin/Sync/SubscriptionSync/IncomingAsyncSubscriptionEventToAnyModelMapper.swift

@@ -83,7 +83,7 @@ final class IncomingAsyncSubscriptionEventToAnyModelMapper: Subscriber, AmplifyC
         case .success(let mutationSync):
             modelsFromSubscription.send(.payload(mutationSync))
         case .failure(let failure):
-            log.error(failure.errorDescription)
+            log.error(failure.errorDescription ?? "")
         }
     }
 

AmplifyPlugins/Logging/Sources/AWSCloudWatchLoggingPlugin/AWSCloudWatchLoggingError.swift

@@ -11,7 +11,7 @@ import Foundation
 /// Represents domain-specific errors within the AWSCloudWatchLogPlugin subsystem.
 struct AWSCloudWatchLoggingError: AmplifyError {
 
-    var errorDescription: String
+    var errorDescription: String?
 
     var recoverySuggestion: String
 

AmplifyPlugins/Storage/Sources/AWSS3StoragePlugin/Configuration/AWSS3PluginPrefixResolver.swift

@@ -56,7 +56,7 @@ extension StorageAccessLevelAwarePrefixResolver: AWSS3PluginPrefixResolver {
             guard let authError = error as? AuthError else {
                 throw StorageError.unknown("Unknown Auth Error", error)
             }
-            throw StorageError.authError(authError.errorDescription, authError.recoverySuggestion)
+            throw StorageError.authError(authError.errorDescription ?? "", authError.recoverySuggestion)
         }
     }
 }

AmplifyPlugins/Storage/Sources/AWSS3StoragePlugin/Support/Utils/StorageRequestUtils+Getter.swift

@@ -27,7 +27,7 @@ extension StorageRequestUtils {
 
     static func getSize(_ file: URL) throws -> UInt64 {
         if let error = validateFileExists(file) {
-            throw StorageError.localFileNotFound(error.errorDescription, error.recoverySuggestion)
+            throw StorageError.localFileNotFound(error.errorDescription ?? "", error.recoverySuggestion)
         }
 
         do {