vn-verdnaturachat/ios/Pods/FirebaseInstanceID/Firebase/InstanceID/FIRInstanceIDAuthKeyChain.h

99 lines
3.9 KiB
Objective-C

/*
* Copyright 2019 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 <Foundation/Foundation.h>
extern NSString *__nonnull const kFIRInstanceIDKeychainWildcardIdentifier;
NS_ASSUME_NONNULL_BEGIN
/**
* Wrapper around storing FCM auth data in iOS keychain.
*/
@interface FIRInstanceIDAuthKeychain : NSObject
/**
* Designated Initializer. Init a generic `SecClassGenericPassword` keychain with `identifier`
* as the `kSecAttrGeneric`.
*
* @param identifier The generic attribute to be used by the keychain.
*
* @return A Keychain object with `kSecAttrGeneric` attribute set to identifier.
*/
- (instancetype)initWithIdentifier:(NSString *)identifier;
/**
* Get keychain items matching the given service and account. The service and/or account
* can be a wildcard (`kFIRInstanceIDKeychainWildcardIdentifier`), which case the query
* will include all items matching any services and/or accounts.
*
* @param service The kSecAttrService used to save the password. Can be wildcard.
* @param account The kSecAttrAccount used to save the password. Can be wildcard.
*
* @return An array of |NSData|s matching the provided inputs.
*/
- (NSArray<NSData *> *)itemsMatchingService:(NSString *)service account:(NSString *)account;
/**
* Get keychain item for a given service and account.
*
* @param service The kSecAttrService used to save the password.
* @param account The kSecAttrAccount used to save the password.
*
* @return A cached keychain item for a given account and service, or nil if it was not
* found or could not be retrieved.
*/
- (NSData *)dataForService:(NSString *)service account:(NSString *)account;
/**
* Remove the cached items from the keychain matching the service, account and access group.
* In case the items do not exist, YES is returned but with a valid error object with code
* `errSecItemNotFound`.
*
* @param service The kSecAttrService used to save the password.
* @param account The kSecAttrAccount used to save the password.
* @param handler The callback handler which is invoked when the remove operation is complete, with
* an error if there is any.
*/
- (void)removeItemsMatchingService:(NSString *)service
account:(NSString *)account
handler:(nullable void (^)(NSError *error))handler;
/**
* Set the data for a given service and account with a specific accessibility. If
* accessibility is NULL we use `kSecAttrAccessibleAlwaysThisDeviceOnly` which
* prevents backup and restore to iCloud, and works for app extension that can
* execute right after a device is restarted (and not unlocked).
*
* @param data The data to save.
* @param service The `kSecAttrService` used to save the password.
* @param accessibility The `kSecAttrAccessibility` used to save the password. If NULL
* set this to `kSecAttrAccessibleAlwaysThisDeviceOnly`.
* @param account The `kSecAttrAccount` used to save the password.
* @param handler The callback handler which is invoked when the add operation is complete,
* with an error if there is any.
*
*/
- (void)setData:(NSData *)data
forService:(NSString *)service
accessibility:(nullable CFTypeRef)accessibility
account:(NSString *)account
handler:(nullable void (^)(NSError *))handler;
@end
NS_ASSUME_NONNULL_END