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FLTFirebaseAuthPlugin.m
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FLTFirebaseAuthPlugin.m
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// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import <Firebase/Firebase.h>
#import <TargetConditionals.h>
#import <firebase_core/FLTFirebasePluginRegistry.h>
#import "Private/FLTAuthStateChannelStreamHandler.h"
#import "Private/FLTIdTokenChannelStreamHandler.h"
#import "Private/FLTPhoneNumberVerificationStreamHandler.h"
#import "Private/PigeonParser.h"
#import "Public/CustomPigeonHeader.h"
#import "Public/FLTFirebaseAuthPlugin.h"
@import CommonCrypto;
#import <AuthenticationServices/AuthenticationServices.h>
#import <firebase_core/FLTFirebaseCorePlugin.h>
NSString *const kFLTFirebaseAuthChannelName = @"plugins.flutter.io/firebase_auth";
// Argument Keys
NSString *const kAppName = @"appName";
// Provider type keys.
NSString *const kSignInMethodPassword = @"password";
NSString *const kSignInMethodEmailLink = @"emailLink";
NSString *const kSignInMethodFacebook = @"facebook.com";
NSString *const kSignInMethodGoogle = @"google.com";
NSString *const kSignInMethodGameCenter = @"gc.apple.com";
NSString *const kSignInMethodTwitter = @"twitter.com";
NSString *const kSignInMethodGithub = @"github.com";
NSString *const kSignInMethodApple = @"apple.com";
NSString *const kSignInMethodPhone = @"phone";
NSString *const kSignInMethodOAuth = @"oauth";
// Credential argument keys.
NSString *const kArgumentCredential = @"credential";
NSString *const kArgumentProviderId = @"providerId";
NSString *const kArgumentProviderScope = @"scopes";
NSString *const kArgumentProviderCustomParameters = @"customParameters";
NSString *const kArgumentSignInMethod = @"signInMethod";
NSString *const kArgumentSecret = @"secret";
NSString *const kArgumentIdToken = @"idToken";
NSString *const kArgumentAccessToken = @"accessToken";
NSString *const kArgumentRawNonce = @"rawNonce";
NSString *const kArgumentEmail = @"email";
NSString *const kArgumentCode = @"code";
NSString *const kArgumentNewEmail = @"newEmail";
NSString *const kArgumentEmailLink = kSignInMethodEmailLink;
NSString *const kArgumentToken = @"token";
NSString *const kArgumentVerificationId = @"verificationId";
NSString *const kArgumentSmsCode = @"smsCode";
NSString *const kArgumentActionCodeSettings = @"actionCodeSettings";
// MultiFactor
NSString *const kArgumentMultiFactorHints = @"multiFactorHints";
NSString *const kArgumentMultiFactorSessionId = @"multiFactorSessionId";
NSString *const kArgumentMultiFactorResolverId = @"multiFactorResolverId";
NSString *const kArgumentMultiFactorInfo = @"multiFactorInfo";
// Manual error codes & messages.
NSString *const kErrCodeNoCurrentUser = @"no-current-user";
NSString *const kErrMsgNoCurrentUser = @"No user currently signed in.";
NSString *const kErrCodeInvalidCredential = @"invalid-credential";
NSString *const kErrMsgInvalidCredential =
@"The supplied auth credential is malformed, has expired or is not "
@"currently supported.";
// Used for caching credentials between Method Channel method calls.
static NSMutableDictionary<NSNumber *, FIRAuthCredential *> *credentialsMap;
@interface FLTFirebaseAuthPlugin ()
@property(nonatomic, retain) NSObject<FlutterBinaryMessenger> *messenger;
@property(strong, nonatomic) FIROAuthProvider *authProvider;
// Used to keep the user who wants to link with Apple Sign In
@property(strong, nonatomic) FIRUser *linkWithAppleUser;
@property(strong, nonatomic) FIRAuth *signInWithAppleAuth;
@property BOOL isReauthenticatingWithApple;
@property(strong, nonatomic) NSString *currentNonce;
@property(strong, nonatomic) void (^appleCompletion)
(PigeonUserCredential *_Nullable, FlutterError *_Nullable);
@property(strong, nonatomic) AuthPigeonFirebaseApp *appleArguments;
@end
@implementation FLTFirebaseAuthPlugin {
#if TARGET_OS_IPHONE
// Map an id to a MultiFactorSession object.
NSMutableDictionary<NSString *, FIRMultiFactorSession *> *_multiFactorSessionMap;
// Map an id to a MultiFactorResolver object.
NSMutableDictionary<NSString *, FIRMultiFactorResolver *> *_multiFactorResolverMap;
// Map an id to a MultiFactorResolver object.
NSMutableDictionary<NSString *, FIRMultiFactorAssertion *> *_multiFactorAssertionMap;
// Map an id to a MultiFactorResolver object.
NSMutableDictionary<NSString *, FIRTOTPSecret *> *_multiFactorTotpSecretMap;
#endif
NSObject<FlutterBinaryMessenger> *_binaryMessenger;
NSMutableDictionary<NSString *, FlutterEventChannel *> *_eventChannels;
NSMutableDictionary<NSString *, NSObject<FlutterStreamHandler> *> *_streamHandlers;
NSData *_apnsToken;
}
#pragma mark - FlutterPlugin
- (instancetype)init:(NSObject<FlutterBinaryMessenger> *)messenger {
self = [super init];
if (self) {
[[FLTFirebasePluginRegistry sharedInstance] registerFirebasePlugin:self];
credentialsMap = [NSMutableDictionary<NSNumber *, FIRAuthCredential *> dictionary];
_binaryMessenger = 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;
}
+ (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar> *)registrar {
FlutterMethodChannel *channel =
[FlutterMethodChannel methodChannelWithName:kFLTFirebaseAuthChannelName
binaryMessenger:[registrar messenger]];
FLTFirebaseAuthPlugin *instance = [[FLTFirebaseAuthPlugin alloc] init:registrar.messenger];
[registrar addMethodCallDelegate:instance channel:channel];
#if TARGET_OS_OSX
// TODO(Salakar): Publish does not exist on MacOS version of
// FlutterPluginRegistrar.
// TODO(Salakar): addApplicationDelegate does not exist on MacOS version of
// FlutterPluginRegistrar. (https://github.com/flutter/flutter/issues/41471)
FirebaseAuthHostApiSetup(registrar.messenger, instance);
FirebaseAuthUserHostApiSetup(registrar.messenger, instance);
#else
[registrar publish:instance];
[registrar addApplicationDelegate:instance];
FirebaseAuthHostApiSetup(registrar.messenger, instance);
FirebaseAuthUserHostApiSetup(registrar.messenger, instance);
MultiFactorUserHostApiSetup(registrar.messenger, instance);
MultiFactoResolverHostApiSetup(registrar.messenger, instance);
MultiFactorTotpHostApiSetup(registrar.messenger, instance);
MultiFactorTotpSecretHostApiSetup(registrar.messenger, instance);
#endif
}
+ (FlutterError *)convertToFlutterError:(NSError *)error {
NSString *code = @"unknown";
NSString *message = @"An unknown error has occurred.";
if (error == nil) {
return [FlutterError errorWithCode:code message:message details:@{}];
}
// code
if ([error userInfo][FIRAuthErrorUserInfoNameKey] != nil) {
// See [FIRAuthErrorCodeString] for list of codes.
// Codes are in the format "ERROR_SOME_NAME", converting below to the format
// required in Dart. ERROR_SOME_NAME -> SOME_NAME
NSString *firebaseErrorCode = [error userInfo][FIRAuthErrorUserInfoNameKey];
code = [firebaseErrorCode stringByReplacingOccurrencesOfString:@"ERROR_" withString:@""];
// SOME_NAME -> SOME-NAME
code = [code stringByReplacingOccurrencesOfString:@"_" withString:@"-"];
// SOME-NAME -> some-name
code = [code lowercaseString];
}
// message
if ([error userInfo][NSLocalizedDescriptionKey] != nil) {
message = [error userInfo][NSLocalizedDescriptionKey];
}
NSMutableDictionary *additionalData = [NSMutableDictionary dictionary];
// additionalData.email
if ([error userInfo][FIRAuthErrorUserInfoEmailKey] != nil) {
additionalData[kArgumentEmail] = [error userInfo][FIRAuthErrorUserInfoEmailKey];
}
// We want to store the credential if present for future sign in if the exception contains a
// credential
[FLTFirebaseAuthPlugin storeAuthCredentialIfPresent:error];
// additionalData.authCredential
if ([error userInfo][FIRAuthErrorUserInfoUpdatedCredentialKey] != nil) {
FIRAuthCredential *authCredential = [error userInfo][FIRAuthErrorUserInfoUpdatedCredentialKey];
additionalData[@"authCredential"] = [PigeonParser getPigeonAuthCredential:authCredential];
}
// Manual message overrides to ensure messages/codes matches other platforms.
if ([message isEqual:@"The password must be 6 characters long or more."]) {
message = @"Password should be at least 6 characters";
}
return [FlutterError errorWithCode:code message:message details:additionalData];
}
+ (id)getNSDictionaryFromAuthCredential:(FIRAuthCredential *)authCredential {
if (authCredential == nil) {
return [NSNull null];
}
NSString *accessToken = nil;
if ([authCredential isKindOfClass:[FIROAuthCredential class]]) {
if (((FIROAuthCredential *)authCredential).accessToken != nil) {
accessToken = ((FIROAuthCredential *)authCredential).accessToken;
} else if (((FIROAuthCredential *)authCredential).IDToken != nil) {
// For Sign In With Apple, the token is stored in IDToken
accessToken = ((FIROAuthCredential *)authCredential).IDToken;
}
}
return @{
kArgumentProviderId : authCredential.provider,
// Note: "signInMethod" does not exist on iOS SDK, so using provider
// instead.
kArgumentSignInMethod : authCredential.provider,
kArgumentToken : @([authCredential hash]),
kArgumentAccessToken : accessToken ?: [NSNull null],
};
}
- (void)cleanupWithCompletion:(void (^)(void))completion {
// Cleanup credentials.
[credentialsMap removeAllObjects];
for (FlutterEventChannel *channel in self->_eventChannels.allValues) {
[channel setStreamHandler:nil];
}
[self->_eventChannels removeAllObjects];
for (NSObject<FlutterStreamHandler> *handler in self->_streamHandlers.allValues) {
[handler onCancelWithArguments:nil];
}
[self->_streamHandlers removeAllObjects];
if (completion != nil) completion();
}
- (void)detachFromEngineForRegistrar:(NSObject<FlutterPluginRegistrar> *)registrar {
[self cleanupWithCompletion:nil];
}
#pragma mark - AppDelegate
#if TARGET_OS_IPHONE
#if !__has_include(<FirebaseMessaging/FirebaseMessaging.h>)
- (BOOL)application:(UIApplication *)application
didReceiveRemoteNotification:(NSDictionary *)notification
fetchCompletionHandler:(void (^)(UIBackgroundFetchResult result))completionHandler {
if ([[FIRAuth auth] canHandleNotification:notification]) {
completionHandler(UIBackgroundFetchResultNoData);
return YES;
}
return NO;
}
#endif
- (void)application:(UIApplication *)application
didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken {
_apnsToken = deviceToken;
}
- (BOOL)application:(UIApplication *)app openURL:(NSURL *)url options:(NSDictionary *)options {
return [[FIRAuth auth] canHandleURL:url];
}
#endif
#pragma mark - FLTFirebasePlugin
- (void)didReinitializeFirebaseCore:(void (^_Nonnull)(void))completion {
[self cleanupWithCompletion:completion];
}
- (NSString *_Nonnull)firebaseLibraryName {
return LIBRARY_NAME;
}
- (NSString *_Nonnull)firebaseLibraryVersion {
return LIBRARY_VERSION;
}
- (NSString *_Nonnull)flutterChannelName {
return kFLTFirebaseAuthChannelName;
}
- (NSDictionary *_Nonnull)pluginConstantsForFIRApp:(FIRApp *_Nonnull)firebaseApp {
FIRAuth *auth = [FIRAuth authWithApp:firebaseApp];
return @{
@"APP_LANGUAGE_CODE" : (id)[auth languageCode] ?: [NSNull null],
@"APP_CURRENT_USER" : [auth currentUser]
? [[PigeonParser getPigeonDetails:[auth currentUser]] toList]
: [NSNull null],
};
}
#pragma mark - Firebase Auth API
// Adapted from
// https://auth0.com/docs/api-auth/tutorials/nonce#generate-a-cryptographically-random-nonce Used
// for Apple Sign In
- (NSString *)randomNonce:(NSInteger)length {
NSAssert(length > 0, @"Expected nonce to have positive length");
NSString *characterSet = @"0123456789ABCDEFGHIJKLMNOPQRSTUVXYZabcdefghijklmnopqrstuvwxyz-._";
NSMutableString *result = [NSMutableString string];
NSInteger remainingLength = length;
while (remainingLength > 0) {
NSMutableArray *randoms = [NSMutableArray arrayWithCapacity:16];
for (NSInteger i = 0; i < 16; i++) {
uint8_t random = 0;
int errorCode = SecRandomCopyBytes(kSecRandomDefault, 1, &random);
NSAssert(errorCode == errSecSuccess, @"Unable to generate nonce: OSStatus %i", errorCode);
[randoms addObject:@(random)];
}
for (NSNumber *random in randoms) {
if (remainingLength == 0) {
break;
}
if (random.unsignedIntValue < characterSet.length) {
unichar character = [characterSet characterAtIndex:random.unsignedIntValue];
[result appendFormat:@"%C", character];
remainingLength--;
}
}
}
return [result copy];
}
- (NSString *)stringBySha256HashingString:(NSString *)input {
const char *string = [input UTF8String];
unsigned char result[CC_SHA256_DIGEST_LENGTH];
CC_SHA256(string, (CC_LONG)strlen(string), result);
NSMutableString *hashed = [NSMutableString stringWithCapacity:CC_SHA256_DIGEST_LENGTH * 2];
for (NSInteger i = 0; i < CC_SHA256_DIGEST_LENGTH; i++) {
[hashed appendFormat:@"%02x", result[i]];
}
return hashed;
}
static void handleSignInWithApple(FLTFirebaseAuthPlugin *object, FIRAuthDataResult *authResult,
NSString *authorizationCode, NSError *error) {
if (error != nil) {
if (error.code == FIRAuthErrorCodeSecondFactorRequired) {
[object handleMultiFactorError:object.appleArguments
completion:object.appleCompletion
withError:error];
} else {
object.appleCompletion(nil, [FLTFirebaseAuthPlugin convertToFlutterError:error]);
}
return;
}
object.appleCompletion([PigeonParser getPigeonUserCredentialFromAuthResult:authResult
authorizationCode:authorizationCode],
nil);
}
- (void)authorizationController:(ASAuthorizationController *)controller
didCompleteWithAuthorization:(ASAuthorization *)authorization
API_AVAILABLE(macos(10.15), ios(13.0)) {
if ([authorization.credential isKindOfClass:[ASAuthorizationAppleIDCredential class]]) {
ASAuthorizationAppleIDCredential *appleIDCredential = authorization.credential;
NSString *rawNonce = self.currentNonce;
NSAssert(rawNonce != nil,
@"Invalid state: A login callback was received, but no login request was sent.");
if (appleIDCredential.identityToken == nil) {
NSLog(@"Unable to fetch identity token.");
return;
}
NSString *idToken = [[NSString alloc] initWithData:appleIDCredential.identityToken
encoding:NSUTF8StringEncoding];
if (idToken == nil) {
NSLog(@"Unable to serialize id token from data: %@", appleIDCredential.identityToken);
}
NSString *authorizationCode = nil;
if (appleIDCredential.authorizationCode != nil) {
authorizationCode = [[NSString alloc] initWithData:appleIDCredential.authorizationCode
encoding:NSUTF8StringEncoding];
}
FIROAuthCredential *credential =
[FIROAuthProvider appleCredentialWithIDToken:idToken
rawNonce:rawNonce
fullName:appleIDCredential.fullName];
if (self.isReauthenticatingWithApple == YES) {
self.isReauthenticatingWithApple = NO;
[[FIRAuth.auth currentUser]
reauthenticateWithCredential:credential
completion:^(FIRAuthDataResult *_Nullable authResult,
NSError *_Nullable error) {
handleSignInWithApple(self, authResult, authorizationCode, error);
}];
} else if (self.linkWithAppleUser != nil) {
[self.linkWithAppleUser
linkWithCredential:credential
completion:^(FIRAuthDataResult *authResult, NSError *error) {
self.linkWithAppleUser = nil;
handleSignInWithApple(self, authResult, authorizationCode, error);
}];
} else {
FIRAuth *signInAuth =
self.signInWithAppleAuth != nil ? self.signInWithAppleAuth : FIRAuth.auth;
[signInAuth signInWithCredential:credential
completion:^(FIRAuthDataResult *_Nullable authResult,
NSError *_Nullable error) {
self.signInWithAppleAuth = nil;
handleSignInWithApple(self, authResult, authorizationCode, error);
}];
}
}
}
- (void)authorizationController:(ASAuthorizationController *)controller
didCompleteWithError:(NSError *)error API_AVAILABLE(macos(10.15), ios(13.0)) {
NSLog(@"Sign in with Apple errored: %@", error);
switch (error.code) {
case ASAuthorizationErrorCanceled:
self.appleCompletion(
nil, [FlutterError errorWithCode:@"canceled"
message:@"The user canceled the authorization attempt."
details:nil]);
break;
case ASAuthorizationErrorInvalidResponse:
self.appleCompletion(
nil,
[FlutterError errorWithCode:@"invalid-response"
message:@"The authorization request received an invalid response."
details:nil]);
break;
case ASAuthorizationErrorNotHandled:
self.appleCompletion(nil,
[FlutterError errorWithCode:@"not-handled"
message:@"The authorization request wasn鈥檛 handled."
details:nil]);
break;
case ASAuthorizationErrorFailed:
self.appleCompletion(nil, [FlutterError errorWithCode:@"failed"
message:@"The authorization attempt failed."
details:nil]);
break;
case ASAuthorizationErrorUnknown:
default:
self.appleCompletion(nil, [FLTFirebaseAuthPlugin convertToFlutterError:error]);
break;
}
self.appleCompletion = nil;
}
- (void)handleInternalError:(nonnull void (^)(PigeonUserCredential *_Nullable,
FlutterError *_Nullable))completion
withError:(NSError *)error {
const NSError *underlyingError = error.userInfo[@"NSUnderlyingError"];
if (underlyingError != nil) {
const NSDictionary *details =
underlyingError.userInfo[@"FIRAuthErrorUserInfoDeserializedResponseKey"];
completion(nil, [FlutterError errorWithCode:@"internal-error"
message:error.description
details:details]);
return;
}
completion(nil, [FlutterError errorWithCode:@"internal-error"
message:error.description
details:nil]);
}
- (void)handleMultiFactorError:(AuthPigeonFirebaseApp *)app
completion:(nonnull void (^)(PigeonUserCredential *_Nullable,
FlutterError *_Nullable))completion
withError:(NSError *_Nullable)error {
#if TARGET_OS_OSX
completion(nil, [FlutterError errorWithCode:@"second-factor-required"
message:error.description
details:nil]);
#else
FIRMultiFactorResolver *resolver =
(FIRMultiFactorResolver *)error.userInfo[FIRAuthErrorUserInfoMultiFactorResolverKey];
NSArray<FIRMultiFactorInfo *> *hints = resolver.hints;
FIRMultiFactorSession *session = resolver.session;
NSString *sessionId = [[NSUUID UUID] UUIDString];
self->_multiFactorSessionMap[sessionId] = session;
NSString *resolverId = [[NSUUID UUID] UUIDString];
self->_multiFactorResolverMap[resolverId] = resolver;
NSMutableArray<NSDictionary *> *pigeonHints = [NSMutableArray array];
for (FIRMultiFactorInfo *multiFactorInfo in hints) {
NSString *phoneNumber;
if ([multiFactorInfo class] == [FIRPhoneMultiFactorInfo class]) {
FIRPhoneMultiFactorInfo *phoneFactorInfo = (FIRPhoneMultiFactorInfo *)multiFactorInfo;
phoneNumber = phoneFactorInfo.phoneNumber;
}
PigeonMultiFactorInfo *object = [PigeonMultiFactorInfo
makeWithDisplayName:multiFactorInfo.displayName
enrollmentTimestamp:[NSNumber numberWithDouble:multiFactorInfo.enrollmentDate
.timeIntervalSince1970]
factorId:multiFactorInfo.factorID
uid:multiFactorInfo.UID
phoneNumber:phoneNumber];
[pigeonHints addObject:object.toList];
}
NSDictionary *output = @{
kAppName : app.appName,
kArgumentMultiFactorHints : pigeonHints,
kArgumentMultiFactorSessionId : sessionId,
kArgumentMultiFactorResolverId : resolverId,
};
completion(nil, [FlutterError errorWithCode:@"second-factor-required"
message:error.description
details:output]);
#endif
}
static void launchAppleSignInRequest(FLTFirebaseAuthPlugin *object, AuthPigeonFirebaseApp *app,
PigeonSignInProvider *signInProvider,
void (^_Nonnull completion)(PigeonUserCredential *_Nullable,
FlutterError *_Nullable)) {
if (@available(iOS 13.0, macOS 10.15, *)) {
NSString *nonce = [object randomNonce:32];
object.currentNonce = nonce;
object.appleCompletion = completion;
object.appleArguments = app;
ASAuthorizationAppleIDProvider *appleIDProvider = [[ASAuthorizationAppleIDProvider alloc] init];
ASAuthorizationAppleIDRequest *request = [appleIDProvider createRequest];
NSMutableArray *requestedScopes = [NSMutableArray arrayWithCapacity:2];
if ([signInProvider.scopes containsObject:@"name"]) {
[requestedScopes addObject:ASAuthorizationScopeFullName];
}
if ([signInProvider.scopes containsObject:@"email"]) {
[requestedScopes addObject:ASAuthorizationScopeEmail];
}
request.requestedScopes = [requestedScopes copy];
request.nonce = [object stringBySha256HashingString:nonce];
ASAuthorizationController *authorizationController =
[[ASAuthorizationController alloc] initWithAuthorizationRequests:@[ request ]];
authorizationController.delegate = object;
authorizationController.presentationContextProvider = object;
[authorizationController performRequests];
} else {
NSLog(@"Sign in with Apple was introduced in iOS 13, update your Podfile with platform :ios, "
@"'13.0'");
}
}
static void handleAppleAuthResult(FLTFirebaseAuthPlugin *object, AuthPigeonFirebaseApp *app,
FIRAuth *auth, FIRAuthCredential *credentials, NSError *error,
void (^_Nonnull completion)(PigeonUserCredential *_Nullable,
FlutterError *_Nullable)) {
if (error) {
if (error.code == FIRAuthErrorCodeSecondFactorRequired) {
[object handleMultiFactorError:app completion:completion withError:error];
} else {
completion(nil, [FLTFirebaseAuthPlugin convertToFlutterError:error]);
}
return;
}
if (credentials) {
[auth signInWithCredential:credentials
completion:^(FIRAuthDataResult *authResult, NSError *error) {
if (error != nil) {
NSDictionary *userInfo = [error userInfo];
NSError *underlyingError = [userInfo objectForKey:NSUnderlyingErrorKey];
NSDictionary *firebaseDictionary =
underlyingError.userInfo[@"FIRAuthErrorUserInfoDes"
@"erializedResponseKey"];
if (firebaseDictionary != nil && firebaseDictionary[@"message"] != nil) {
// error from firebase-ios-sdk is
// buried in underlying error.
completion(nil,
[FlutterError errorWithCode:@"sign-in-failed"
message:error.localizedDescription
details:firebaseDictionary[@"message"]]);
} else {
completion(nil, [FlutterError errorWithCode:@"sign-in-failed"
message:error.localizedDescription
details:error.userInfo]);
}
} else {
completion([PigeonParser getPigeonUserCredentialFromAuthResult:authResult
authorizationCode:nil],
nil);
}
}];
}
}
#pragma mark - Utilities
+ (void)storeAuthCredentialIfPresent:(NSError *)error {
if ([error userInfo][FIRAuthErrorUserInfoUpdatedCredentialKey] != nil) {
FIRAuthCredential *authCredential = [error userInfo][FIRAuthErrorUserInfoUpdatedCredentialKey];
// We temporarily store the non-serializable credential so the
// Dart API can consume these at a later time.
NSNumber *authCredentialHash = @([authCredential hash]);
credentialsMap[authCredentialHash] = authCredential;
}
}
- (FIRAuth *_Nullable)getFIRAuthFromAppNameFromPigeon:(AuthPigeonFirebaseApp *)pigeonApp {
FIRApp *app = [FLTFirebasePlugin firebaseAppNamed:pigeonApp.appName];
FIRAuth *auth = [FIRAuth authWithApp:app];
auth.tenantID = pigeonApp.tenantId;
auth.customAuthDomain = [FLTFirebaseCorePlugin getCustomDomain:app.name];
return auth;
}
- (void)getFIRAuthCredentialFromArguments:(NSDictionary *)arguments
app:(AuthPigeonFirebaseApp *)app
completion:(void (^)(FIRAuthCredential *credential,
NSError *error))completion {
// If the credential dictionary contains a token, it means a native one has
// been stored for later usage, so we'll attempt to retrieve it here.
if (arguments[kArgumentToken] != nil && ![arguments[kArgumentToken] isEqual:[NSNull null]]) {
NSNumber *credentialHashCode = arguments[kArgumentToken];
if (credentialsMap[credentialHashCode] != nil) {
completion(credentialsMap[credentialHashCode], nil);
return;
}
}
NSString *signInMethod = arguments[kArgumentSignInMethod];
if ([signInMethod isEqualToString:kSignInMethodGameCenter]) {
// Game Center Games is different to other providers, it requires below callback to get a
// credential. This is why getFIRAuthCredentialFromArguments now requires a completion()
// callback
[FIRGameCenterAuthProvider
getCredentialWithCompletion:^(FIRAuthCredential *credential, NSError *error) {
if (error) {
completion(nil, error);
} else {
completion(credential, nil);
}
}];
return;
}
NSString *secret = arguments[kArgumentSecret] == [NSNull null] ? nil : arguments[kArgumentSecret];
NSString *idToken =
arguments[kArgumentIdToken] == [NSNull null] ? nil : arguments[kArgumentIdToken];
NSString *accessToken =
arguments[kArgumentAccessToken] == [NSNull null] ? nil : arguments[kArgumentAccessToken];
NSString *rawNonce =
arguments[kArgumentRawNonce] == [NSNull null] ? nil : arguments[kArgumentRawNonce];
// Password Auth
if ([signInMethod isEqualToString:kSignInMethodPassword]) {
NSString *email = arguments[kArgumentEmail];
completion([FIREmailAuthProvider credentialWithEmail:email password:secret], nil);
return;
}
// Email Link Auth
if ([signInMethod isEqualToString:kSignInMethodEmailLink]) {
NSString *email = arguments[kArgumentEmail];
NSString *emailLink = arguments[kArgumentEmailLink];
completion([FIREmailAuthProvider credentialWithEmail:email link:emailLink], nil);
return;
}
// Facebook Auth
if ([signInMethod isEqualToString:kSignInMethodFacebook]) {
completion([FIRFacebookAuthProvider credentialWithAccessToken:accessToken], nil);
return;
}
// Google Auth
if ([signInMethod isEqualToString:kSignInMethodGoogle]) {
completion([FIRGoogleAuthProvider credentialWithIDToken:idToken accessToken:accessToken], nil);
return;
}
// Twitter Auth
if ([signInMethod isEqualToString:kSignInMethodTwitter]) {
completion([FIRTwitterAuthProvider credentialWithToken:accessToken secret:secret], nil);
return;
}
// GitHub Auth
if ([signInMethod isEqualToString:kSignInMethodGithub]) {
completion([FIRGitHubAuthProvider credentialWithToken:accessToken], nil);
return;
}
// Phone Auth - Only supported on iOS
if ([signInMethod isEqualToString:kSignInMethodPhone]) {
#if TARGET_OS_IPHONE
NSString *verificationId = arguments[kArgumentVerificationId];
NSString *smsCode = arguments[kArgumentSmsCode];
completion([[FIRPhoneAuthProvider providerWithAuth:[self getFIRAuthFromAppNameFromPigeon:app]]
credentialWithVerificationID:verificationId
verificationCode:smsCode],
nil);
return;
#else
NSLog(@"The Firebase Phone Authentication provider is not supported on the "
@"MacOS platform.");
completion(nil, nil);
return;
#endif
}
// OAuth
if ([signInMethod isEqualToString:kSignInMethodOAuth]) {
NSString *providerId = arguments[kArgumentProviderId];
completion([FIROAuthProvider credentialWithProviderID:providerId
IDToken:idToken
rawNonce:rawNonce
accessToken:accessToken],
nil);
return;
}
NSLog(@"Support for an auth provider with identifier '%@' is not implemented.", signInMethod);
completion(nil, nil);
return;
}
- (void)ensureAPNSTokenSetting {
#if !TARGET_OS_OSX
FIRApp *defaultApp = [FIRApp defaultApp];
if (defaultApp) {
if ([FIRAuth auth].APNSToken == nil && _apnsToken != nil) {
[[FIRAuth auth] setAPNSToken:_apnsToken type:FIRAuthAPNSTokenTypeUnknown];
_apnsToken = nil;
}
}
#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)) {
#if TARGET_OS_OSX
return [[NSApplication sharedApplication] keyWindow];
#else
return [[UIApplication sharedApplication] keyWindow];
#endif
}
#if TARGET_OS_IPHONE
- (void)enrollPhoneApp:(nonnull AuthPigeonFirebaseApp *)app
assertion:(nonnull PigeonPhoneMultiFactorAssertion *)assertion
displayName:(nullable NSString *)displayName
completion:(nonnull void (^)(FlutterError *_Nullable))completion {
FIRMultiFactor *multiFactor = [self getAppMultiFactorFromPigeon:app];
FIRPhoneAuthCredential *credential =
[[FIRPhoneAuthProvider providerWithAuth:[self getFIRAuthFromAppNameFromPigeon:app]]
credentialWithVerificationID:[assertion verificationId]
verificationCode:[assertion verificationCode]];
FIRMultiFactorAssertion *multiFactorAssertion =
[FIRPhoneMultiFactorGenerator assertionWithCredential:credential];
[multiFactor enrollWithAssertion:multiFactorAssertion
displayName:displayName
completion:^(NSError *_Nullable error) {
if (error == nil) {
completion(nil);
} else {
completion([FlutterError errorWithCode:@"enroll-failed"
message:error.localizedDescription
details:nil]);
}
}];
}
- (void)getEnrolledFactorsApp:(nonnull AuthPigeonFirebaseApp *)app
completion:(nonnull void (^)(NSArray<PigeonMultiFactorInfo *> *_Nullable,
FlutterError *_Nullable))completion {
FIRMultiFactor *multiFactor = [self getAppMultiFactorFromPigeon:app];
NSArray<FIRMultiFactorInfo *> *enrolledFactors = [multiFactor enrolledFactors];
NSMutableArray<PigeonMultiFactorInfo *> *results = [NSMutableArray array];
for (FIRMultiFactorInfo *multiFactorInfo in enrolledFactors) {
NSString *phoneNumber;
if ([multiFactorInfo class] == [FIRPhoneMultiFactorInfo class]) {
FIRPhoneMultiFactorInfo *phoneFactorInfo = (FIRPhoneMultiFactorInfo *)multiFactorInfo;
phoneNumber = phoneFactorInfo.phoneNumber;
}
[results
addObject:[PigeonMultiFactorInfo
makeWithDisplayName:multiFactorInfo.displayName
enrollmentTimestamp:[NSNumber numberWithDouble:multiFactorInfo.enrollmentDate
.timeIntervalSince1970]
factorId:multiFactorInfo.factorID
uid:multiFactorInfo.UID
phoneNumber:phoneNumber]];
}
completion(results, nil);
}
- (void)getSessionApp:(nonnull AuthPigeonFirebaseApp *)app
completion:(nonnull void (^)(PigeonMultiFactorSession *_Nullable,
FlutterError *_Nullable))completion {
FIRMultiFactor *multiFactor = [self getAppMultiFactorFromPigeon:app];
[multiFactor getSessionWithCompletion:^(FIRMultiFactorSession *_Nullable session,
NSError *_Nullable error) {
NSString *UUID = [[NSUUID UUID] UUIDString];
self->_multiFactorSessionMap[UUID] = session;
PigeonMultiFactorSession *pigeonSession = [PigeonMultiFactorSession makeWithId:UUID];
completion(pigeonSession, nil);
}];
}
- (void)unenrollApp:(nonnull AuthPigeonFirebaseApp *)app
factorUid:(nonnull NSString *)factorUid
completion:(nonnull void (^)(FlutterError *_Nullable))completion {
FIRMultiFactor *multiFactor = [self getAppMultiFactorFromPigeon:app];
[multiFactor unenrollWithFactorUID:factorUid
completion:^(NSError *_Nullable error) {
if (error == nil) {
completion(nil);
} else {
completion([FlutterError errorWithCode:@"unenroll-failed"
message:error.localizedDescription
details:nil]);
}
}];
}
- (void)enrollTotpApp:(nonnull AuthPigeonFirebaseApp *)app
assertionId:(nonnull NSString *)assertionId
displayName:(nullable NSString *)displayName
completion:(nonnull void (^)(FlutterError *_Nullable))completion {
FIRMultiFactor *multiFactor = [self getAppMultiFactorFromPigeon:app];
FIRMultiFactorAssertion *assertion = _multiFactorAssertionMap[assertionId];
[multiFactor enrollWithAssertion:assertion
displayName:displayName
completion:^(NSError *_Nullable error) {
if (error == nil) {
completion(nil);
} else {
completion([FlutterError errorWithCode:@"enroll-failed"
message:error.localizedDescription
details:nil]);
}
}];
}
- (void)resolveSignInResolverId:(nonnull NSString *)resolverId
assertion:(nullable PigeonPhoneMultiFactorAssertion *)assertion
totpAssertionId:(nullable NSString *)totpAssertionId
completion:(nonnull void (^)(PigeonUserCredential *_Nullable,
FlutterError *_Nullable))completion {
FIRMultiFactorResolver *resolver = _multiFactorResolverMap[resolverId];
FIRMultiFactorAssertion *multiFactorAssertion;
if (assertion != nil) {
FIRPhoneAuthCredential *credential =
[[FIRPhoneAuthProvider provider] credentialWithVerificationID:[assertion verificationId]
verificationCode:[assertion verificationCode]];
multiFactorAssertion = [FIRPhoneMultiFactorGenerator assertionWithCredential:credential];
} else if (totpAssertionId != nil) {
multiFactorAssertion = _multiFactorAssertionMap[totpAssertionId];
} else {
completion(nil,
[FlutterError errorWithCode:@"resolve-signin-failed"
message:@"Neither assertion nor totpAssertionId were provided"
details:nil]);
return;
}
[resolver
resolveSignInWithAssertion:multiFactorAssertion
completion:^(FIRAuthDataResult *_Nullable authResult,
NSError *_Nullable error) {
if (error == nil) {
completion([PigeonParser getPigeonUserCredentialFromAuthResult:authResult
authorizationCode:nil],
nil);
} else {
completion(nil, [FlutterError errorWithCode:@"resolve-signin-failed"
message:error.localizedDescription
details:nil]);
}
}];
}
- (void)generateSecretSessionId:(nonnull NSString *)sessionId
completion:(nonnull void (^)(PigeonTotpSecret *_Nullable,
FlutterError *_Nullable))completion {
FIRMultiFactorSession *multiFactorSession = _multiFactorSessionMap[sessionId];
[FIRTOTPMultiFactorGenerator
generateSecretWithMultiFactorSession:multiFactorSession
completion:^(FIRTOTPSecret *_Nullable secret,
NSError *_Nullable error) {
if (error == nil) {
self->_multiFactorTotpSecretMap[secret.sharedSecretKey] =
secret;
completion([PigeonParser getPigeonTotpSecret:secret], nil);
} else {
completion(
nil, [FlutterError errorWithCode:@"generate-secret-failed"
message:error.localizedDescription
details:nil]);
}
}];
}
- (void)getAssertionForEnrollmentSecretKey:(nonnull NSString *)secretKey
oneTimePassword:(nonnull NSString *)oneTimePassword
completion:(nonnull void (^)(NSString *_Nullable,
FlutterError *_Nullable))completion {
FIRTOTPSecret *totpSecret = _multiFactorTotpSecretMap[secretKey];
FIRTOTPMultiFactorAssertion *assertion =
[FIRTOTPMultiFactorGenerator assertionForEnrollmentWithSecret:totpSecret
oneTimePassword:oneTimePassword];
NSString *UUID = [[NSUUID UUID] UUIDString];
self->_multiFactorAssertionMap[UUID] = assertion;
completion(UUID, nil);
}
- (void)getAssertionForSignInEnrollmentId:(nonnull NSString *)enrollmentId
oneTimePassword:(nonnull NSString *)oneTimePassword
completion:(nonnull void (^)(NSString *_Nullable,
FlutterError *_Nullable))completion {
FIRTOTPMultiFactorAssertion *assertion =
[FIRTOTPMultiFactorGenerator assertionForSignInWithEnrollmentID:enrollmentId
oneTimePassword:oneTimePassword];
NSString *UUID = [[NSUUID UUID] UUIDString];
self->_multiFactorAssertionMap[UUID] = assertion;
completion(UUID, nil);
}
- (void)generateQrCodeUrlSecretKey:(nonnull NSString *)secretKey
accountName:(nullable NSString *)accountName
issuer:(nullable NSString *)issuer
completion:(nonnull void (^)(NSString *_Nullable,
FlutterError *_Nullable))completion {
FIRTOTPSecret *totpSecret = _multiFactorTotpSecretMap[secretKey];
completion([totpSecret generateQRCodeURLWithAccountName:accountName issuer:issuer], nil);
}
- (void)openInOtpAppSecretKey:(nonnull NSString *)secretKey
qrCodeUrl:(nonnull NSString *)qrCodeUrl
completion:(nonnull void (^)(FlutterError *_Nullable))completion {
FIRTOTPSecret *totpSecret = _multiFactorTotpSecretMap[secretKey];
[totpSecret openInOTPAppWithQRCodeURL:qrCodeUrl];
completion(nil);
}
#endif
- (void)applyActionCodeApp:(nonnull AuthPigeonFirebaseApp *)app