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/*
*
* Copyright 2015 gRPC authors.
*
* 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 <objc/runtime.h>
#import "GRPCCall+OAuth2.h"
static NSString *const kAuthorizationHeader = @"authorization";
static NSString *const kBearerPrefix = @"Bearer ";
static NSString *const kChallengeHeader = @"www-authenticate";
@implementation GRPCCall (OAuth2)
@dynamic tokenProvider;
- (NSString *)oauth2AccessToken {
NSString *headerValue = self.requestHeaders[kAuthorizationHeader];
if ([headerValue hasPrefix:kBearerPrefix]) {
return [headerValue substringFromIndex:kBearerPrefix.length];
} else {
return nil;
}
}
- (void)setOauth2AccessToken:(NSString *)token {
if (token) {
self.requestHeaders[kAuthorizationHeader] = [kBearerPrefix stringByAppendingString:token];
} else {
[self.requestHeaders removeObjectForKey:kAuthorizationHeader];
}
}
- (NSString *)oauth2ChallengeHeader {
return self.responseHeaders[kChallengeHeader];
}
- (void)setTokenProvider:(id<GRPCAuthorizationProtocol>)tokenProvider {
objc_setAssociatedObject(self, @selector(tokenProvider), tokenProvider, OBJC_ASSOCIATION_RETAIN);
}
- (id<GRPCAuthorizationProtocol>)tokenProvider {
return objc_getAssociatedObject(self, @selector(tokenProvider));
}
@end
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