mirror of
https://github.com/google/app-check
synced 2026-11-09 22:05:52 +05:45
Andrew Heard
b12f472db8
For consistency, renamed both instanceName and storageID to serviceName for consistency. In all cases, the serviceName is an identifier that differentiates multiple GACAppCheck instances such as when there are multiple FIRApps in use, or multiple dependent SDKs (e.g., Firebase and Google Sign-In). This unique identifier ensures their state is not shared in the Keychain or in User Defaults.
134 lines
5.0 KiB
Objective-C
134 lines
5.0 KiB
Objective-C
/*
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* Copyright 2020 Google LLC
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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 "AppCheckCore/Sources/Public/AppCheckCore/GACAppCheckAvailability.h"
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#if GAC_DEVICE_CHECK_SUPPORTED_TARGETS
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#import <Foundation/Foundation.h>
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#if __has_include(<FBLPromises/FBLPromises.h>)
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#import <FBLPromises/FBLPromises.h>
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#else
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#import "FBLPromises.h"
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#endif
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#import "AppCheckCore/Sources/Public/AppCheckCore/GACDeviceCheckProvider.h"
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#import "AppCheckCore/Sources/Core/APIService/GACAppCheckAPIService.h"
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#import "AppCheckCore/Sources/Core/Backoff/GACAppCheckBackoffWrapper.h"
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#import "AppCheckCore/Sources/Core/GACAppCheckLogger+Internal.h"
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#import "AppCheckCore/Sources/DeviceCheckProvider/API/GACDeviceCheckAPIService.h"
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#import "AppCheckCore/Sources/DeviceCheckProvider/DCDevice+GACDeviceCheckTokenGenerator.h"
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#import "AppCheckCore/Sources/Public/AppCheckCore/GACAppCheckToken.h"
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NS_ASSUME_NONNULL_BEGIN
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@interface GACDeviceCheckProvider ()
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@property(nonatomic, readonly) id<GACDeviceCheckAPIServiceProtocol> APIService;
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@property(nonatomic, readonly) id<GACDeviceCheckTokenGenerator> deviceTokenGenerator;
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@property(nonatomic, readonly) id<GACAppCheckBackoffWrapperProtocol> backoffWrapper;
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- (instancetype)initWithAPIService:(id<GACDeviceCheckAPIServiceProtocol>)APIService
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deviceTokenGenerator:(id<GACDeviceCheckTokenGenerator>)deviceTokenGenerator
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backoffWrapper:(id<GACAppCheckBackoffWrapperProtocol>)backoffWrapper
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NS_DESIGNATED_INITIALIZER;
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@end
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@implementation GACDeviceCheckProvider
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- (instancetype)initWithAPIService:(id<GACDeviceCheckAPIServiceProtocol>)APIService
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deviceTokenGenerator:(id<GACDeviceCheckTokenGenerator>)deviceTokenGenerator
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backoffWrapper:(id<GACAppCheckBackoffWrapperProtocol>)backoffWrapper {
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self = [super init];
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if (self) {
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_APIService = APIService;
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_deviceTokenGenerator = deviceTokenGenerator;
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_backoffWrapper = backoffWrapper;
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}
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return self;
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}
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- (instancetype)initWithAPIService:(id<GACDeviceCheckAPIServiceProtocol>)APIService {
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GACAppCheckBackoffWrapper *backoffWrapper = [[GACAppCheckBackoffWrapper alloc] init];
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return [self initWithAPIService:APIService
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deviceTokenGenerator:[DCDevice currentDevice]
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backoffWrapper:backoffWrapper];
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}
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- (instancetype)initWithServiceName:(NSString *)serviceName
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resourceName:(NSString *)resourceName
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APIKey:(nullable NSString *)APIKey
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requestHooks:(nullable NSArray<GACAppCheckAPIRequestHook> *)requestHooks {
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NSURLSession *URLSession = [NSURLSession
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sessionWithConfiguration:[NSURLSessionConfiguration ephemeralSessionConfiguration]];
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GACAppCheckAPIService *APIService =
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[[GACAppCheckAPIService alloc] initWithURLSession:URLSession
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baseURL:nil
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APIKey:APIKey
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requestHooks:requestHooks];
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GACDeviceCheckAPIService *deviceCheckAPIService =
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[[GACDeviceCheckAPIService alloc] initWithAPIService:APIService resourceName:resourceName];
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return [self initWithAPIService:deviceCheckAPIService];
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}
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#pragma mark - GACAppCheckProvider
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- (void)getTokenWithCompletion:(void (^)(GACAppCheckToken *_Nullable token,
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NSError *_Nullable error))handler {
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[self.backoffWrapper
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applyBackoffToOperation:^FBLPromise *_Nonnull {
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return [self getTokenPromise];
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}
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errorHandler:[self.backoffWrapper defaultAppCheckProviderErrorHandler]]
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// Call the handler with either token or error.
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.then(^id(GACAppCheckToken *appCheckToken) {
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handler(appCheckToken, nil);
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return nil;
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})
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.catch(^void(NSError *error) {
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handler(nil, error);
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});
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}
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- (FBLPromise<GACAppCheckToken *> *)getTokenPromise {
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// Get DeviceCheck token
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return [self deviceToken]
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// Exchange DeviceCheck token for FAC token.
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.then(^FBLPromise<GACAppCheckToken *> *(NSData *deviceToken) {
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return [self.APIService appCheckTokenWithDeviceToken:deviceToken];
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});
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}
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#pragma mark - DeviceCheck
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- (FBLPromise<NSData *> *)deviceToken {
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return [FBLPromise
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wrapObjectOrErrorCompletion:^(FBLPromiseObjectOrErrorCompletion _Nonnull handler) {
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[self.deviceTokenGenerator generateTokenWithCompletionHandler:handler];
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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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#endif // GAC_DEVICE_CHECK_SUPPORTED_TARGETS
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