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/* * Copyright 2017 Google * * 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/LICENSE-2.0 * * 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 "FIRAuthUserDefaultsStorage.h"
#if FIRAUTH_USER_DEFAULTS_STORAGE_AVAILABLE
NS_ASSUME_NONNULL_BEGIN
static NSString *const kPersistentDomainNamePrefix = @"com.google.Firebase.Auth.";
@implementation FIRAuthUserDefaultsStorage { /** @var _persistentDomainName @brief The name of the persistent domain in user defaults. */ NSString *_persistentDomainName;
/** @var _storage @brief The backing NSUserDefaults storage for this instance. */ NSUserDefaults *_storage; }
- (id<FIRAuthStorage>)initWithService:(NSString *)service { self = [super init]; if (self) { _persistentDomainName = [kPersistentDomainNamePrefix stringByAppendingString:service]; _storage = [[NSUserDefaults alloc] init]; } return self; }
- (nullable NSData *)dataForKey:(NSString *)key error:(NSError **_Nullable)error { if (error) { *error = nil; } NSDictionary<NSString *, id> *allData = [_storage persistentDomainForName:_persistentDomainName]; return allData[key]; }
- (BOOL)setData:(NSData *)data forKey:(NSString *)key error:(NSError **_Nullable)error { NSMutableDictionary<NSString *, id> *allData = [([_storage persistentDomainForName:_persistentDomainName] ?: @{}) mutableCopy]; allData[key] = data; [_storage setPersistentDomain:allData forName:_persistentDomainName]; return YES; }
- (BOOL)removeDataForKey:(NSString *)key error:(NSError **_Nullable)error { NSMutableDictionary<NSString *, id> *allData = [[_storage persistentDomainForName:_persistentDomainName] mutableCopy]; [allData removeObjectForKey:key]; [_storage setPersistentDomain:allData forName:_persistentDomainName]; return YES; }
- (void)clear { [_storage setPersistentDomain:@{} forName:_persistentDomainName]; }
@end
NS_ASSUME_NONNULL_END
#endif // FIRAUTH_USER_DEFAULTS_STORAGE_AVAILABLE
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