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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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