FirebaseAuth Framework Reference

FIRAuth

@interface FIRAuth : NSObject

Manages authentication for Firebase apps. This class is thread-safe.

• +auth

  Gets the auth object for the default Firebase app. The default Firebase app must have already been configured or an exception will be raised.

  Declaration

  Objective-C

  + (nonnull FIRAuth *)auth;

• +authWithApp:

  Gets the auth object for a FIRApp.

  Declaration

  Objective-C

  + (nonnull FIRAuth *)authWithApp:(nonnull FIRApp *)app;

  Parameters

  app	The FIRApp for which to retrieve the associated FIRAuth instance.

  Return Value

  The FIRAuth instance associated with the given FIRApp.

• app

  Gets the FIRApp object that this auth object is connected to.

  Declaration

  Objective-C

  @property (readonly, nonatomic, nullable) FIRApp *app;

• currentUser

  Synchronously gets the cached current user, or null if there is none.

  Declaration

  Objective-C

  @property (readonly, strong, nonatomic, nullable) FIRUser *currentUser;

• languageCode

  The current user language code. This property can be set to the app’s current language by calling useAppLanguage.

  The string used to set this property must be a language code that follows BCP 47.

  Declaration

  Objective-C

  @property (readwrite, copy, nonatomic, nullable) NSString *languageCode;

• settings

  Contains settings related to the auth object.

  Declaration

  Objective-C

  @property (readwrite, copy, nonatomic, nullable) FIRAuthSettings *settings;

• userAccessGroup

  The current user access group that the Auth instance is using. Default is nil.

  Declaration

  Objective-C

  @property (readonly, copy, nonatomic, nullable) NSString *userAccessGroup;

• APNSToken

  The APNs token used for phone number authentication. The type of the token (production or sandbox) will be attempted to be automatcially detected. If swizzling is disabled, the APNs Token must be set for phone number auth to work, by either setting this property or by calling setAPNSToken:type:

  Declaration

  Objective-C

  @property (readwrite, strong, nonatomic, nullable) NSData *APNSToken;

• -init

  Please access auth instances using FIRAuth.auth and FIRAuth.authForApp:.

  Declaration

  Objective-C

  - (nonnull instancetype)init;

• -updateCurrentUser:completion:

  Sets the currentUser on the calling Auth instance to the provided user object.

  Declaration

  Objective-C

  - (void)updateCurrentUser:(nonnull FIRUser *)user
                 completion:(nullable FIRUserUpdateCallback)completion;

  Parameters

  user	The user object to be set as the current user of the calling Auth instance.
  completion	Optionally; a block invoked after the user of the calling Auth instance has been updated or an error was encountered.

• -fetchProvidersForEmail:completion:

  Please use fetchSignInMethodsForEmail:completion: for Objective-C or fetchSignInMethods(forEmail:completion:) for Swift instead.

  Declaration

  Objective-C

  - (void)fetchProvidersForEmail:(nonnull NSString *)email
                      completion:(nullable FIRProviderQueryCallback)completion;

• -fetchSignInMethodsForEmail:completion:

  Fetches the list of all sign-in methods previously used for the provided email address.

  Possible error codes:

  + `FIRAuthErrorCodeInvalidEmail` - Indicates the email address is malformed.
  

  See FIRAuthErrors for a list of error codes that are common to all API methods.

  Declaration

  Objective-C

  - (void)fetchSignInMethodsForEmail:(nonnull NSString *)email
                          completion:
                              (nullable FIRSignInMethodQueryCallback)completion;

  Parameters

  email	The email address for which to obtain a list of sign-in methods.
  completion	Optionally; a block which is invoked when the list of sign in methods for the specified email address is ready or an error was encountered. Invoked asynchronously on the main thread in the future.

• -signInWithEmail:password:completion:

  Signs in using an email address and password.

  Possible error codes:

  + `FIRAuthErrorCodeOperationNotAllowed` - Indicates that email and password
      accounts are not enabled. Enable them in the Auth section of the
      Firebase console.
  + `FIRAuthErrorCodeUserDisabled` - Indicates the user's account is disabled.
  + `FIRAuthErrorCodeWrongPassword` - Indicates the user attempted
      sign in wi