Clean up FIRAuth bits from FIRApp

Example/Auth/Tests/FIRAuthTests.m

@@ -365,20 +365,6 @@ - (void)testLifeCycle {
   XCTAssertNil(auth);
 }
 
-/** @fn testGetUID
-    @brief Verifies that FIRApp's getUIDImplementation is correctly set by FIRAuth.
- */
-- (void)testGetUID {
-  // TODO: Remove this test once Firestore, Database, and Storage move over to the new Auth interop
-  //       library.
-  FIRApp *app = [FIRApp defaultApp];
-  XCTAssertNotNil(app.getUIDImplementation);
-  [[FIRAuth auth] signOut:NULL];
-  XCTAssertNil(app.getUIDImplementation());
-  [self waitForSignIn];
-  XCTAssertEqualObjects(app.getUIDImplementation(), kLocalID);
-}
-
 #pragma mark - Server API Tests
 
 /** @fn testFetchProvidersForEmailSuccess
@@ -2283,8 +2269,8 @@ - (void)mockSecureTokenResponseWithError:(nullable NSError *)error {
  */
 - (void)enableAutoTokenRefresh {
   XCTestExpectation *expectation = [self expectationWithDescription:@"autoTokenRefreshcallback"];
-  [[FIRAuth auth].app getTokenForcingRefresh:NO withCallback:^(NSString *_Nullable token,
-                                                                NSError *_Nullable error) {
+  [[FIRAuth auth] getTokenForcingRefresh:NO withCallback:^(NSString *_Nullable token,
+                                                           NSError *_Nullable error) {
     [expectation fulfill];
   }];
   [self waitForExpectationsWithTimeout:kExpectationTimeout handler:nil];

Example/Core/Tests/FIRAppTest.m

@@ -267,59 +267,6 @@ - (void)testErrorForSubspecConfigurationFailure {
   XCTAssert([error.description containsString:@"Configuration failed for"]);
 }
 
-- (void)testGetTokenWithCallback {
-  [FIRApp configure];
-  FIRApp *app = [FIRApp defaultApp];
-
-  __block BOOL getTokenImplementationWasCalled = NO;
-  __block BOOL getTokenCallbackWasCalled = NO;
-  __block BOOL passedRefreshValue = NO;
-
-  [app getTokenForcingRefresh:YES
-                 withCallback:^(NSString *_Nullable token, NSError *_Nullable error) {
-                   getTokenCallbackWasCalled = YES;
-                 }];
-
-  XCTAssert(getTokenCallbackWasCalled,
-            @"The callback should be invoked by the base implementation when no block for "
-             "'getTokenImplementation' has been specified.");
-
-  getTokenCallbackWasCalled = NO;
-
-  app.getTokenImplementation = ^(BOOL refresh, FIRTokenCallback callback) {
-    getTokenImplementationWasCalled = YES;
-    passedRefreshValue = refresh;
-    callback(nil, nil);
-  };
-  [app getTokenForcingRefresh:YES
-                 withCallback:^(NSString *_Nullable token, NSError *_Nullable error) {
-                   getTokenCallbackWasCalled = YES;
-                 }];
-
-  XCTAssert(getTokenImplementationWasCalled,
-            @"The 'getTokenImplementation' block was never called.");
-  XCTAssert(passedRefreshValue,
-            @"The value for the 'refresh' parameter wasn't passed to the 'getTokenImplementation' "
-             "block correctly.");
-  XCTAssert(getTokenCallbackWasCalled,
-            @"The 'getTokenImplementation' should have invoked the callback. This could be an "
-             "error in this test, or the callback parameter may not have been passed to the "
-             "implementation correctly.");
-
-  getTokenImplementationWasCalled = NO;
-  getTokenCallbackWasCalled = NO;
-  passedRefreshValue = NO;
-
-  [app getTokenForcingRefresh:NO
-                 withCallback:^(NSString *_Nullable token, NSError *_Nullable error) {
-                   getTokenCallbackWasCalled = YES;
-                 }];
-
-  XCTAssertFalse(passedRefreshValue,
-                 @"The value for the 'refresh' parameter wasn't passed to the "
-                  "'getTokenImplementation' block correctly.");
-}
-
 - (void)testOptionsLocking {
   FIROptions *options =
       [[FIROptions alloc] initWithGoogleAppID:kGoogleAppID GCMSenderID:kGCMSenderID];
@@ -754,16 +701,6 @@ - (void)testAnalyticsNotSetByGlobalDataCollectionSwitch {
 
 #pragma mark - Internal Methods
 
-// TODO: Remove this test once the `getUIDImplementation` block doesn't need to be set in Core.
-- (void)testAuthGetUID {
-  [FIRApp configure];
-
-  [FIRApp defaultApp].getUIDImplementation = ^NSString * {
-    return @"highlander";
-  };
-  XCTAssertEqual([[FIRApp defaultApp] getUID], @"highlander");
-}
-
 - (void)testIsDefaultAppConfigured {
   // Ensure it's false before anything is configured.
   XCTAssertFalse([FIRApp isDefaultAppConfigured]);

Firebase/Auth/Source/FIRAuth.m

@@ -22,7 +22,6 @@
 #import <UIKit/UIKit.h>
 #endif
 
-#import <FirebaseAuthInterop/FIRAuthInterop.h>
 #import <FirebaseCore/FIRAppAssociationRegistration.h>
 #import <FirebaseCore/FIRAppInternal.h>
 #import <FirebaseCore/FIRComponent.h>
@@ -229,9 +228,9 @@ + (FIRActionCodeOperation)actionCodeOperationForRequestType:(NSString *)requestT
 #pragma mark - FIRAuth
 
 #if TARGET_OS_IOS
-@interface FIRAuth () <FIRAuthAppDelegateHandler, FIRAuthInterop, FIRComponentRegistrant, FIRCoreConfigurable, FIRComponentLifecycleMaintainer>
+@interface FIRAuth () <FIRAuthAppDelegateHandler, FIRComponentRegistrant, FIRCoreConfigurable, FIRComponentLifecycleMaintainer>
 #else
-@interface FIRAuth () <FIRAuthInterop, FIRComponentRegistrant, FIRCoreConfigurable, FIRComponentLifecycleMaintainer>
+@interface FIRAuth () <FIRComponentRegistrant, FIRCoreConfigurable, FIRComponentLifecycleMaintainer>
 #endif
 
 /** @property firebaseAppId
@@ -344,23 +343,6 @@ - (instancetype)initWithApp:(FIRApp *)app {
   self = [self initWithAPIKey:app.options.APIKey appName:app.name];
   if (self) {
     _app = app;
-    __weak FIRAuth *weakSelf = self;
-
-    // TODO: Remove this block once Firestore, Database, and Storage move to the new interop API.
-    app.getTokenImplementation = ^(BOOL forceRefresh, FIRTokenCallback callback) {
-      // In the meantime, redirect call to the interop method that provides this functionality.
-      __weak FIRAuth *weakSelf = self;
-      [weakSelf getTokenForcingRefresh:forceRefresh withCallback:callback];
-    };
-
-    // TODO: Remove this block once Firestore, Database, and Storage move to the new interop API.
-    app.getUIDImplementation = ^NSString *_Nullable() {
-      __block NSString *uid;
-      dispatch_sync(FIRAuthGlobalWorkQueue(), ^{
-        uid = [weakSelf getUserID];
-      });
-      return uid;
-    };
     #if TARGET_OS_IOS
     _authURLPresenter = [[FIRAuthURLPresenter alloc] init];
     #endif

Firebase/Auth/Source/FIRAuth_Internal.h

@@ -18,6 +18,8 @@
 
 #import "FIRAuth.h"
 
+#import <FirebaseAuthInterop/FIRAuthInterop.h>
+
 @class FIRAuthRequestConfiguration;
 
 #if TARGET_OS_IOS
@@ -29,7 +31,7 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
-@interface FIRAuth ()
+@interface FIRAuth () <FIRAuthInterop>
 
 /** @property requestConfiguration
     @brief The configuration object comprising of paramters needed to make a request to Firebase

Firebase/Core/FIRApp.m

@@ -281,15 +281,6 @@ - (instancetype)initInstanceWithName:(NSString *)name options:(FIROptions *)opti
   return self;
 }
 
-- (void)getTokenForcingRefresh:(BOOL)forceRefresh withCallback:(FIRTokenCallback)callback {
-  if (!_getTokenImplementation) {
-    callback(nil, nil);
-    return;
-  }
-
-  _getTokenImplementation(forceRefresh, callback);
-}
-
 - (BOOL)configureCore {
   [self checkExpectedBundleID];
   if (![self isAppIDValid]) {
@@ -538,15 +529,6 @@ - (void)checkExpectedBundleID {
   }
 }
 
-// TODO: Remove once SDKs transition to Auth interop library.
-- (nullable NSString *)getUID {
-  if (!_getUIDImplementation) {
-    FIRLogWarning(kFIRLoggerCore, @"I-COR000025", @"FIRAuth getUID implementation wasn't set.");
-    return nil;
-  }
-  return _getUIDImplementation();
-}
-
 #pragma mark - private - App ID Validation
 
 /**

Firebase/Core/Private/FIRAppInternal.h

@@ -109,42 +109,13 @@ extern NSString *const FIRAuthStateDidChangeInternalNotificationAppKey;
  */
 extern NSString *const FIRAuthStateDidChangeInternalNotificationUIDKey;
 
-/** @typedef FIRTokenCallback
-    @brief The type of block which gets called when a token is ready.
- */
-typedef void (^FIRTokenCallback)(NSString *_Nullable token, NSError *_Nullable error);
-
-/** @typedef FIRAppGetTokenImplementation
-    @brief The type of block which can provide an implementation for the @c getTokenWithCallback:
-        method.
-    @param forceRefresh Forces the token to be refreshed.
-    @param callback The block which should be invoked when the async call completes.
- */
-typedef void (^FIRAppGetTokenImplementation)(BOOL forceRefresh, FIRTokenCallback callback);
-
-/** @typedef FIRAppGetUID
-    @brief The type of block which can provide an implementation for the @c getUID method.
- */
-typedef NSString *_Nullable (^FIRAppGetUIDImplementation)(void);
-
 @interface FIRApp ()
 
 /**
  * A flag indicating if this is the default app (has the default app name).
  */
 @property(nonatomic, readonly) BOOL isDefaultApp;
 
-/** @property getTokenImplementation
-    @brief Gets or sets the block to use for the implementation of
-        @c getTokenForcingRefresh:withCallback:
- */
-@property(nonatomic, copy) FIRAppGetTokenImplementation getTokenImplementation;
-
-/** @property getUIDImplementation
-    @brief Gets or sets the block to use for the implementation of @c getUID.
- */
-@property(nonatomic, copy) FIRAppGetUIDImplementation getUIDImplementation;
-
 /*
  * The container of interop SDKs for this app.
  */
@@ -204,19 +175,6 @@ typedef NSString *_Nullable (^FIRAppGetUIDImplementation)(void);
  */
 - (instancetype)initInstanceWithName:(NSString *)name options:(FIROptions *)options;
 
-/** @fn getTokenForcingRefresh:withCallback:
-    @brief Retrieves the Firebase authentication token, possibly refreshing it.
-    @param forceRefresh Forces a token refresh. Useful if the token becomes invalid for some reason
-        other than an expiration.
-    @param callback The block to invoke when the token is available.
- */
-- (void)getTokenForcingRefresh:(BOOL)forceRefresh withCallback:(FIRTokenCallback)callback;
-
-/**
- * Expose the UID of the current user for Firestore.
- */
-- (nullable NSString *)getUID;
-
 @end
 
 NS_ASSUME_NONNULL_END