mirror of
https://github.com/firebase/firebase-ios-sdk
synced 2026-11-09 22:36:01 +05:45
89 lines
3.0 KiB
Objective-C
89 lines
3.0 KiB
Objective-C
/*
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* Copyright 2018 Google
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import "FIRGameCenterAuthProvider.h"
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#import <GameKit/GameKit.h>
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#import "FIRAuthErrorUtils.h"
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#import "FIRAuthExceptionUtils.h"
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#import "FIRGameCenterAuthCredential.h"
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NS_ASSUME_NONNULL_BEGIN
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@implementation FIRGameCenterAuthProvider
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- (instancetype)init {
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[FIRAuthExceptionUtils raiseMethodNotImplementedExceptionWithReason:
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@"This class is not meant to be initialized."];
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return nil;
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}
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+ (void)getCredentialWithCompletion:(FIRGameCenterCredentialCallback)completion {
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/**
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Linking GameKit.framework without using it on macOS results in App Store rejection.
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Thus we don't link GameKit.framework to our SDK directly. `optionalLocalPlayer` is used for
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checking whether the APP that consuming our SDK has linked GameKit.framework. If not, a
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`GameKitNotLinkedError` will be raised.
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**/
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GKLocalPlayer * _Nullable optionalLocalPlayer = [[NSClassFromString(@"GKLocalPlayer") alloc] init];
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if (!optionalLocalPlayer) {
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if (completion) {
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completion(nil, [FIRAuthErrorUtils gameKitNotLinkedError]);
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}
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return;
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}
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__weak GKLocalPlayer *localPlayer = [[optionalLocalPlayer class] localPlayer];
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if (!localPlayer.isAuthenticated) {
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if (completion) {
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completion(nil, [FIRAuthErrorUtils localPlayerNotAuthenticatedError]);
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}
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return;
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}
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[localPlayer generateIdentityVerificationSignatureWithCompletionHandler:
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^(NSURL *publicKeyURL, NSData *signature, NSData *salt, uint64_t timestamp, NSError *error) {
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if (error) {
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if (completion) {
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completion(nil, error);
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}
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} else {
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if (completion) {
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/**
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@c `localPlayer.alias` is actually the displayname needed, instead of
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`localPlayer.displayname`. For more information, check
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https://developer.apple.com/documentation/gamekit/gkplayer
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**/
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NSString *displayName = localPlayer.alias;
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FIRGameCenterAuthCredential *credential =
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[[FIRGameCenterAuthCredential alloc] initWithPlayerID:localPlayer.playerID
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publicKeyURL:publicKeyURL
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signature:signature
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salt:salt
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timestamp:timestamp
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displayName:displayName];
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completion(credential, nil);
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}
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}
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}];
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}
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@end
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NS_ASSUME_NONNULL_END
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