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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 <GTMSessionFetcher/GTMSessionFetcherService.h>
@class FIRApp;
NS_ASSUME_NONNULL_BEGIN
/**
* Wrapper class for FIRApp that implements the GTMFetcherAuthorizationProtocol,
* so as to easily provide GTMSessionFetcher fetches a Firebase Authentication JWT
* for the current logged in user. Handles token expiration and other failure cases.
* If no authentication provider exists or no token is found, no token is added
* and the request is passed.
*/
@interface FIRStorageTokenAuthorizer : NSObject <GTMFetcherAuthorizationProtocol>
/**
* Initializes the token authorizer with an instance of FIRApp.
* @param app An instance of FIRApp which provides auth tokens.
* @return Returns an instance of FIRStorageTokenAuthorizer which adds the appropriate
* "Authorization" header to all outbound requests. Note that a token may not be added
* if a getTokenImplementation doesn't exist on FIRApp. This allows for unauthenticated
* access, if Firebase Storage rules allow for it.
*/
- (instancetype)initWithApp:(FIRApp *)app fetcherService:(GTMSessionFetcherService *)service;
@end
NS_ASSUME_NONNULL_END
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