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/*! @file GTMAppAuthFetcherAuthorization+Keychain.h
@brief GTMAppAuth SDK
@copyright
Copyright 2016 Google Inc.
@copydetails
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 "GTMAppAuthFetcherAuthorization.h"
NS_ASSUME_NONNULL_BEGIN
/*! @brief Category to support serialization and deserialization of
@c GTMAppAuthFetcherAuthorization in the format used by GTMAppAuth.
*/
@interface GTMAppAuthFetcherAuthorization (Keychain)
/*! @brief Attempts to create a @c GTMAppAuthFetcherAuthorization from data stored in the keychain
in GTMAppAuth format.
@param keychainItemName The keychain name.
@return A @c GTMAppAuthFetcherAuthorization object, or nil.
*/
+ (nullable GTMAppAuthFetcherAuthorization *)
authorizationFromKeychainForName:(NSString *)keychainItemName;
/*! @brief Removes a stored authorization state.
@param keychainItemName The keychain name.
@return YES the tokens were removed successfully (or didn't exist).
*/
+ (BOOL)removeAuthorizationFromKeychainForName:(NSString *)keychainItemName;
/*! @brief Saves the authorization state to the keychain, in GTMAppAuth format.
@param auth The authorization to save.
@param keychainItemName The keychain name.
@return YES when the state was saved successfully.
*/
+ (BOOL)saveAuthorization:(GTMAppAuthFetcherAuthorization *)auth
toKeychainForName:(NSString *)keychainItemName;
@end
NS_ASSUME_NONNULL_END
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