feat(auth): TOTP support for macOS

Author: cbenhagen

packages/firebase_auth/firebase_auth/ios/firebase_auth/Sources/firebase_auth/FLTFirebaseAuthPlugin.m

@@ -101,7 +101,6 @@ @interface FLTFirebaseAuthPlugin ()
 @end
 
 @implementation FLTFirebaseAuthPlugin {
-#if TARGET_OS_IPHONE
   // Map an id to a MultiFactorSession object.
   NSMutableDictionary<NSString *, FIRMultiFactorSession *> *_multiFactorSessionMap;
 
@@ -114,8 +113,6 @@ @implementation FLTFirebaseAuthPlugin {
   // Map an id to a MultiFactorResolver object.
   NSMutableDictionary<NSString *, FIRTOTPSecret *> *_multiFactorTotpSecretMap;
 
-#endif
-
   NSObject<FlutterBinaryMessenger> *_binaryMessenger;
   NSMutableDictionary<NSString *, FlutterEventChannel *> *_eventChannels;
   NSMutableDictionary<NSString *, NSObject<FlutterStreamHandler> *> *_streamHandlers;
@@ -133,13 +130,10 @@ - (instancetype)init:(NSObject<FlutterBinaryMessenger> *)messenger {
     _eventChannels = [NSMutableDictionary dictionary];
     _streamHandlers = [NSMutableDictionary dictionary];
 
-#if TARGET_OS_IPHONE
     _multiFactorSessionMap = [NSMutableDictionary dictionary];
     _multiFactorResolverMap = [NSMutableDictionary dictionary];
     _multiFactorAssertionMap = [NSMutableDictionary dictionary];
     _multiFactorTotpSecretMap = [NSMutableDictionary dictionary];
-
-#endif
   }
   return self;
 }
@@ -164,11 +158,11 @@ + (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar> *)registrar {
   [registrar addApplicationDelegate:instance];
   SetUpFirebaseAuthHostApi(registrar.messenger, instance);
   SetUpFirebaseAuthUserHostApi(registrar.messenger, instance);
+#endif
   SetUpMultiFactorUserHostApi(registrar.messenger, instance);
   SetUpMultiFactoResolverHostApi(registrar.messenger, instance);
   SetUpMultiFactorTotpHostApi(registrar.messenger, instance);
   SetUpMultiFactorTotpSecretHostApi(registrar.messenger, instance);
-#endif
 }
 
 + (FlutterError *)convertToFlutterError:(NSError *)error {
@@ -841,13 +835,11 @@ - (void)ensureAPNSTokenSetting {
 #endif
 }
 
-#if !TARGET_OS_OSX
 - (FIRMultiFactor *)getAppMultiFactorFromPigeon:(nonnull AuthPigeonFirebaseApp *)app {
   FIRAuth *auth = [self getFIRAuthFromAppNameFromPigeon:app];
   FIRUser *currentUser = auth.currentUser;
   return currentUser.multiFactor;
 }
-#endif
 
 - (nonnull ASPresentationAnchor)presentationAnchorForAuthorizationController:
     (nonnull ASAuthorizationController *)controller API_AVAILABLE(macos(10.15), ios(13.0)) {
@@ -887,6 +879,8 @@ - (void)enrollPhoneApp:(nonnull AuthPigeonFirebaseApp *)app
                         }];
 }
 
+#endif
+
 - (void)getEnrolledFactorsApp:(nonnull AuthPigeonFirebaseApp *)app
                    completion:(nonnull void (^)(NSArray<PigeonMultiFactorInfo *> *_Nullable,
                                                 FlutterError *_Nullable))completion {
@@ -965,6 +959,8 @@ - (void)enrollTotpApp:(nonnull AuthPigeonFirebaseApp *)app
                         }];
 }
 
+#if TARGET_OS_IPHONE
+
 - (void)resolveSignInResolverId:(nonnull NSString *)resolverId
                       assertion:(nullable PigeonPhoneMultiFactorAssertion *)assertion
                 totpAssertionId:(nullable NSString *)totpAssertionId
@@ -1005,6 +1001,8 @@ - (void)resolveSignInResolverId:(nonnull NSString *)resolverId
                       }];
 }
 
+#endif
+
 - (void)generateSecretSessionId:(nonnull NSString *)sessionId
                      completion:(nonnull void (^)(PigeonTotpSecret *_Nullable,
                                                   FlutterError *_Nullable))completion {
@@ -1071,8 +1069,6 @@ - (void)openInOtpAppSecretKey:(nonnull NSString *)secretKey
   completion(nil);
 }
 
-#endif
-
 - (void)applyActionCodeApp:(nonnull AuthPigeonFirebaseApp *)app
                       code:(nonnull NSString *)code
                 completion:(nonnull void (^)(FlutterError *_Nullable))completion {

packages/firebase_auth/firebase_auth/ios/firebase_auth/Sources/firebase_auth/PigeonParser.m

@@ -82,15 +82,13 @@ + (PigeonAdditionalUserInfo *)getPigeonAdditionalUserInfo:(nonnull FIRAdditional
                                              profile:userInfo.profile];
 }
 
-#if TARGET_OS_IPHONE
 + (PigeonTotpSecret *)getPigeonTotpSecret:(FIRTOTPSecret *)secret {
   return [PigeonTotpSecret makeWithCodeIntervalSeconds:nil
                                             codeLength:nil
                           enrollmentCompletionDeadline:nil
                                       hashingAlgorithm:nil
                                              secretKey:secret.sharedSecretKey];
 }
-#endif
 
 + (PigeonAuthCredential *)getPigeonAuthCredential:(FIRAuthCredential *)authCredential
                                             token:(NSNumber *_Nullable)token {

packages/firebase_auth/firebase_auth/ios/firebase_auth/Sources/firebase_auth/include/Private/PigeonParser.h

@@ -25,9 +25,7 @@
     (nullable PigeonActionCodeSettings *)settings;
 + (PigeonUserCredential *_Nullable)getPigeonUserCredentialFromFIRUser:(nonnull FIRUser *)user;
 + (PigeonIdTokenResult *_Nonnull)parseIdTokenResult:(nonnull FIRAuthTokenResult *)tokenResult;
-#if TARGET_OS_IPHONE
 + (PigeonTotpSecret *_Nonnull)getPigeonTotpSecret:(nonnull FIRTOTPSecret *)secret;
-#endif
 + (PigeonAuthCredential *_Nullable)getPigeonAuthCredential:
                                        (FIRAuthCredential *_Nullable)authCredentialToken
                                                      token:(NSNumber *_Nullable)token;