| commit | author | age | ||
| a6c014 | 1 | /* |
| L | 2 | * Copyright 2019 Google |
| 3 | * | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 | * you may not use this file except in compliance with the License. | |
| 6 | * You may obtain a copy of the License at | |
| 7 | * | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 | * | |
| 10 | * Unless required by applicable law or agreed to in writing, software | |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 | * See the License for the specific language governing permissions and | |
| 14 | * limitations under the License. | |
| 15 | */ | |
| 16 | ||
| 17 | #import <Foundation/Foundation.h> | |
| 18 | ||
| 19 | NS_ASSUME_NONNULL_BEGIN | |
| 20 | ||
| 21 | FOUNDATION_EXPORT NSString *const kGULKeychainUtilsErrorDomain; | |
| 22 | ||
| 23 | /// Helper functions to access Keychain. | |
| 24 | @interface GULKeychainUtils : NSObject | |
| 25 | ||
| 26 | /** Fetches a keychain item data matching to the provided query. | |
| 27 | * @param query A dictionary with Keychain query parameters. See docs for `SecItemCopyMatching` for | |
| 28 | * details. | |
| 29 | * @param outError A pointer to `NSError` instance or `NULL`. The instance at `outError` will be | |
| 30 | * assigned with an error if there is. | |
| 31 | * @returns Data for the first Keychain Item matching the provided query or `nil` if there is not | |
| 32 | * such an item (`outError` will be `nil` in this case) or an error occurred. | |
| 33 | */ | |
| 34 | + (nullable NSData *)getItemWithQuery:(NSDictionary *)query | |
| 35 | error:(NSError *_Nullable *_Nullable)outError; | |
| 36 | ||
| 37 | /** Stores data to a Keychain Item matching to the provided query. An existing Keychain Item | |
| 38 | * matching the query parameters will be updated or a new will be created. | |
| 39 | * @param item A Keychain Item data to store. | |
| 40 | * @param query A dictionary with Keychain query parameters. See docs for `SecItemAdd` and | |
| 41 | * `SecItemUpdate` for details. | |
| 42 | * @param outError A pointer to `NSError` instance or `NULL`. The instance at `outError` will be | |
| 43 | * assigned with an error if there is. | |
| 44 | * @returns `YES` when data was successfully stored, `NO` otherwise. | |
| 45 | */ | |
| 46 | + (BOOL)setItem:(NSData *)item | |
| 47 | withQuery:(NSDictionary *)query | |
| 48 | error:(NSError *_Nullable *_Nullable)outError; | |
| 49 | ||
| 50 | /** Removes a Keychain Item matching to the provided query. | |
| 51 | * @param query A dictionary with Keychain query parameters. See docs for `SecItemDelete` for | |
| 52 | * details. | |
| 53 | * @param outError A pointer to `NSError` instance or `NULL`. The instance at `outError` will be | |
| 54 | * assigned with an error if there is. | |
| 55 | * @returns `YES` if the item was removed successfully or doesn't exist, `NO` otherwise. | |
| 56 | */ | |
| 57 | + (BOOL)removeItemWithQuery:(NSDictionary *)query error:(NSError *_Nullable *_Nullable)outError; | |
| 58 | ||
| 59 | @end | |
| 60 | ||
| 61 | NS_ASSUME_NONNULL_END | |
