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.
125 lines
4.4 KiB
Objective-C
125 lines
4.4 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/GACAppCheckDebugProvider.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/Core/APIService/GACAppCheckAPIService.h"
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#import "AppCheckCore/Sources/Core/GACAppCheckLogger+Internal.h"
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#import "AppCheckCore/Sources/DebugProvider/API/GACAppCheckDebugProviderAPIService.h"
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#import "AppCheckCore/Sources/Public/AppCheckCore/GACAppCheckErrors.h"
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#import "AppCheckCore/Sources/Public/AppCheckCore/GACAppCheckToken.h"
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NS_ASSUME_NONNULL_BEGIN
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// TODO(andrewheard): Parameterize the following Firebase-specific keys.
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// FIREBASE_APP_CHECK_ONLY_BEGIN
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static NSString *const kDebugTokenEnvKey = @"FIRAAppCheckDebugToken";
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static NSString *const kDebugTokenUserDefaultsKey = @"FIRAAppCheckDebugToken";
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// FIREBASE_APP_CHECK_ONLY_END
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@interface GACAppCheckDebugProvider ()
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@property(nonatomic, readonly) id<GACAppCheckDebugProviderAPIServiceProtocol> APIService;
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@end
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@implementation GACAppCheckDebugProvider
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- (instancetype)initWithAPIService:(id<GACAppCheckDebugProviderAPIServiceProtocol>)APIService {
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self = [super init];
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if (self) {
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_APIService = APIService;
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}
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return self;
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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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GACAppCheckDebugProviderAPIService *debugAPIService =
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[[GACAppCheckDebugProviderAPIService alloc] initWithAPIService:APIService
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resourceName:resourceName];
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return [self initWithAPIService:debugAPIService];
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}
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- (NSString *)currentDebugToken {
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NSString *envVariableValue = [[NSProcessInfo processInfo] environment][kDebugTokenEnvKey];
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if (envVariableValue.length > 0) {
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return envVariableValue;
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} else {
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return [self localDebugToken];
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}
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}
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- (NSString *)localDebugToken {
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return [self storedDebugToken] ?: [self generateAndStoreDebugToken];
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}
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- (nullable NSString *)storedDebugToken {
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return [[NSUserDefaults standardUserDefaults] stringForKey:kDebugTokenUserDefaultsKey];
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}
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- (void)storeDebugToken:(nullable NSString *)token {
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[[NSUserDefaults standardUserDefaults] setObject:token forKey:kDebugTokenUserDefaultsKey];
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}
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- (NSString *)generateAndStoreDebugToken {
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NSString *token = [NSUUID UUID].UUIDString;
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[self storeDebugToken:token];
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return token;
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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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[FBLPromise do:^NSString * {
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return [self currentDebugToken];
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}]
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.then(^FBLPromise<GACAppCheckToken *> *(NSString *debugToken) {
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return [self.APIService appCheckTokenWithDebugToken:debugToken];
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})
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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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NSString *logMessage = [NSString
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stringWithFormat:@"Failed to exchange debug token to app check token: %@", error];
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GACAppCheckLogDebug(GACLoggerAppCheckMessageDebugProviderFailedExchange, logMessage);
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handler(nil, error);
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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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