firebase-ios-sdk/FirebaseAuth/Sources/MultiFactor/FIRMultiFactorResolver.m

/*
 * Copyright 2019 Google
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#import <TargetConditionals.h>
#if TARGET_OS_IOS

#import "FirebaseAuth/Sources/Public/FirebaseAuth/FIRMultiFactorResolver.h"

#import "FirebaseAuth/Sources/Auth/FIRAuth_Internal.h"
#import "FirebaseAuth/Sources/MultiFactor/FIRMultiFactorResolver+Internal.h"

#import "FirebaseAuth-Swift.h"

NS_ASSUME_NONNULL_BEGIN

@implementation FIRMultiFactorResolver

- (instancetype)initWithMFAPendingCredential:(NSString *_Nullable)MFAPendingCredential
                                       hints:(NSArray<FIRMultiFactorInfo *> *)hints
                                        auth:(FIRAuth *_Nullable)auth {
  self = [super init];
  if (self) {
    _MFAPendingCredential = MFAPendingCredential;
    _hints = hints;
    _auth = auth;
    _session = [[FIRMultiFactorSession alloc] init];
    _session.MFAPendingCredential = MFAPendingCredential;
  }
  return self;
}

- (void)resolveSignInWithAssertion:(nonnull FIRMultiFactorAssertion *)assertion
                        completion:(nullable FIRAuthDataResultCallback)completion {
#if TARGET_OS_IOS
  FIRPhoneMultiFactorAssertion *phoneAssertion = (FIRPhoneMultiFactorAssertion *)assertion;
  FIRAuthProtoFinalizeMFAPhoneRequestInfo *finalizeMFAPhoneRequestInfo =
      [[FIRAuthProtoFinalizeMFAPhoneRequestInfo alloc]
          initWithSessionInfo:phoneAssertion.authCredential.verificationID
             verificationCode:phoneAssertion.authCredential.verificationCode];
  FIRFinalizeMFASignInRequest *request = [[FIRFinalizeMFASignInRequest alloc]
      initWithMFAPendingCredential:self.MFAPendingCredential
                  verificationInfo:finalizeMFAPhoneRequestInfo
              requestConfiguration:self.auth.requestConfiguration];
  [FIRAuthBackend2
      postWithRequest:request
             callback:^(FIRFinalizeMFASignInResponse *_Nullable response,
                        NSError *_Nullable error) {
               if (error) {
                 if (completion) {
                   completion(nil, error);
                 }
               } else {
                 [FIRAuth.auth
                     completeSignInWithAccessToken:response.IDToken
                         accessTokenExpirationDate:nil
                                      refreshToken:response.refreshToken
                                         anonymous:NO
                                          callback:^(FIRUser *_Nullable user,
                                                     NSError *_Nullable error) {
                                            FIRAuthDataResult *result =
                                                [[FIRAuthDataResult alloc] initWithUser:user
                                                                     additionalUserInfo:nil
                                                                             credential:nil];
                                            FIRAuthDataResultCallback decoratedCallback = [FIRAuth
                                                                                               .auth
                                                signInFlowAuthDataResultCallbackByDecoratingCallback:
                                                    completion];
                                            decoratedCallback(result, error);
                                          }];
               }
             }];
#endif
}

@end

NS_ASSUME_NONNULL_END

#endif