public changes for passkey support

FirebaseAuth/Sources/Public/FirebaseAuth/FIRAuth.h

@@ -17,6 +17,7 @@
 #import <AvailabilityMacros.h>
 #import <Foundation/Foundation.h>
 
+#import <AuthenticationServices/AuthenticationServices.h>
 #import "FIRAuthAPNSTokenType.h"
 #import "FIRAuthErrors.h"
 
@@ -877,6 +878,28 @@ NS_SWIFT_NAME(Auth)
                                             error:(NSError *_Nullable *_Nullable)outError
     __attribute__((swift_error(nonnull_error)));  // This method can return `nil` on success.
 
+#if TARGET_OS_IOS
+/**
+ @fn finalizePasskeySignInWithPlatformCredential:completion
+ @brief sign in with passkey credential
+ */
+- (void)finalizePasskeySignInWithPlatformCredential:
+            (ASAuthorizationPlatformPublicKeyCredentialAssertion *)platformCredential
+                                         completion:(nullable void (^)(
+                                                        FIRAuthDataResult *_Nullable authResult,
+                                                        NSError *_Nullable error))completion
+    API_AVAILABLE(ios(15.0));
+
+/**
+ @fn startPasskeySignInWithCompletion
+ @brief create key assertion request for sign in
+ */
+- (void)startPasskeySignInWithCompletion:
+    (nullable void (^)(
+        ASAuthorizationPlatformPublicKeyCredentialAssertionRequest *_Nullable request,
+        NSError *_Nullable error))completion API_AVAILABLE(ios(15.0));
+
+#endif
 @end
 
 NS_ASSUME_NONNULL_END

FirebaseAuth/Sources/Public/FirebaseAuth/FIRPasskey.h

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * 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 <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+/**
+ @class FIRPasskey
+ @brief Passkey Info
+ */
+NS_SWIFT_NAME(Passkey) API_UNAVAILABLE(macos, tvos, watchos) @interface FIRPasskey : NSObject
+
+/**
+ @brief Passkey name
+ */
+@property(nonatomic, readonly) NSString *name;
+
+/**
+ @brief Passkey credential ID
+ */
+@property(nonatomic, readonly) NSString *credentialID;
+
+@end
+
+NS_ASSUME_NONNULL_END

FirebaseAuth/Sources/Public/FirebaseAuth/FIRUser.h

@@ -19,6 +19,7 @@
 #import "FIRAuth.h"
 #import "FIRAuthDataResult.h"
 #import "FIRMultiFactor.h"
+#import "FIRPasskey.h"
 #import "FIRUserInfo.h"
 
 @class FIRAuthTokenResult;
@@ -123,6 +124,13 @@ NS_SWIFT_NAME(User)
 @property(nonatomic, readonly, nonnull)
     FIRMultiFactor *multiFactor API_UNAVAILABLE(macos, tvos, watchos);
 
+/** @property enrolledPasskeys
+    @brief a list of user enrolled passkey object.
+        This property is available on iOS only.
+*/
+@property(nonatomic, readonly)
+    NSArray<FIRPasskey *> *enrolledPasskeys API_UNAVAILABLE(macos, tvos, watchos);
+
 /** @fn init
     @brief This class should not be instantiated.
     @remarks To retrieve the current user, use `Auth.currentUser`. To sign a user
@@ -506,6 +514,39 @@ NS_SWIFT_NAME(User)
                                       completion:
                                           (nullable void (^)(NSError *_Nullable error))completion;
 
+#if TARGET_OS_IOS
+/**
+ @fn startPasskeyEnrollmentWithCompletion
+ @brief Create an registration request for enroll.
+ */
+- (void)startPasskeyEnrollmentWithCompletion:
+    (nullable void (^)(
+        ASAuthorizationPlatformPublicKeyCredentialRegistrationRequest *_Nullable request,
+        NSError *_Nullable error))completion API_AVAILABLE(ios(15.0));
+
+/**
+ @fn finalizePasskeyEnrollmentWithPlatformCredential:completion
+ @brief Register the platform credential with GCIP for current user.
+ @param platformCredential the credential generated by keyChain.
+ */
+- (void)finalizePasskeyEnrollmentWithPlatformCredential:
+            (ASAuthorizationPlatformPublicKeyCredentialRegistration *)platformCredential
+                                             completion:(nullable void (^)(
+                                                            FIRAuthDataResult *_Nullable authResult,
+                                                            NSError *_Nullable error))completion
+    API_AVAILABLE(ios(15.0));
+
+/**
+ @fn unenrollPasskeyWithCredentialID:completion
+ @brief To unenroll a passkey with platform credential.
+ @param credentialID the passkey credential ID to unenroll.
+ */
+- (void)unenrollPasskeyWithCredentialID:(NSString *)credentialID
+                             completion:(nullable void (^)(NSError *_Nullable error))completion
+    API_AVAILABLE(ios(15.0));
+
+#endif
+
 @end
 
 /** @class FIRUserProfileChangeRequest

FirebaseAuth/Sources/Public/FirebaseAuth/FirebaseAuth.h

@@ -44,6 +44,7 @@
 #import "FIRAuthAPNSTokenType.h"
 #import "FIRAuthSettings.h"
 #import "FIRAuthUIDelegate.h"
+#import "FIRPasskey.h"
 #import "FIRPhoneAuthCredential.h"
 #import "FIRPhoneAuthProvider.h"
 #import "FIRPhoneMultiFactorAssertion.h"