mirror of
https://github.com/google/app-check
synced 2026-11-09 22:05:52 +05:45
134 lines
4.9 KiB
Objective-C
134 lines
4.9 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)initWithStorageID:(NSString *)storageID
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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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