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79 lines
2.9 KiB
79 lines
2.9 KiB
/* |
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* Copyright 2019 Google |
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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 <Foundation/Foundation.h> |
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@class FBLPromise<ValueType>; |
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NS_ASSUME_NONNULL_BEGIN |
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/// The class provides a convenient abstraction on top of the iOS Keychain API to save data. |
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@interface GULKeychainStorage : NSObject |
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- (instancetype)init NS_UNAVAILABLE; |
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/** Initializes the keychain storage with Keychain Service name. |
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* @param service A Keychain Service name that will be used to store and retrieve objects. See also |
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* `kSecAttrService`. |
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*/ |
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- (instancetype)initWithService:(NSString *)service; |
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/** |
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* Get an object by key. |
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* @param key The key. |
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* @param objectClass The expected object class required by `NSSecureCoding`. |
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* @param accessGroup The Keychain Access Group. |
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* |
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* @return Returns a promise. It is resolved with an object stored by key if exists. It is resolved |
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* with `nil` when the object not found. It fails on a Keychain error. |
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*/ |
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- (FBLPromise<id<NSSecureCoding>> *)getObjectForKey:(NSString *)key |
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objectClass:(Class)objectClass |
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accessGroup:(nullable NSString *)accessGroup; |
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/** |
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* Saves the given object by the given key. |
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* @param object The object to store. |
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* @param key The key to store the object. If there is an existing object by the key, it will be |
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* overridden. |
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* @param accessGroup The Keychain Access Group. |
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* |
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* @return Returns which is resolved with `[NSNull null]` on success. |
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*/ |
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- (FBLPromise<NSNull *> *)setObject:(id<NSSecureCoding>)object |
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forKey:(NSString *)key |
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accessGroup:(nullable NSString *)accessGroup; |
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/** |
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* Removes the object by the given key. |
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* @param key The key to store the object. If there is an existing object by the key, it will be |
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* overridden. |
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* @param accessGroup The Keychain Access Group. |
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* |
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* @return Returns which is resolved with `[NSNull null]` on success. |
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*/ |
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- (FBLPromise<NSNull *> *)removeObjectForKey:(NSString *)key |
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accessGroup:(nullable NSString *)accessGroup; |
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#if TARGET_OS_OSX |
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/// If not `nil`, then only this keychain will be used to save and read data (see |
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/// `kSecMatchSearchList` and `kSecUseKeychain`. It is mostly intended to be used by unit tests. |
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@property(nonatomic, nullable) SecKeychainRef keychainRef; |
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#endif // TARGET_OSX |
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@end |
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NS_ASSUME_NONNULL_END
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