chromium/third_party/grpc/src/src/core/lib/security/credentials/external/aws_request_signer.h

//
// Copyright 2020 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.
//

#ifndef GRPC_SRC_CORE_LIB_SECURITY_CREDENTIALS_EXTERNAL_AWS_REQUEST_SIGNER_H
#define GRPC_SRC_CORE_LIB_SECURITY_CREDENTIALS_EXTERNAL_AWS_REQUEST_SIGNER_H

#include <grpc/support/port_platform.h>

#include <map>
#include <string>

#include "src/core/lib/iomgr/error.h"
#include "src/core/lib/uri/uri_parser.h"

namespace grpc_core {

// Implements an AWS API request signer based on the AWS Signature Version 4
// signing process.
// https://docs.aws.amazon.com/general/latest/gr/signature-version-4.html
// To retrieve the subject token in AwsExternalAccountCredentials, we need to
// sign an AWS request server and use the signed request as the subject token.
// This class is a utility to sign an AWS request.
class AwsRequestSigner { … };

}  // namespace grpc_core

#endif  // GRPC_SRC_CORE_LIB_SECURITY_CREDENTIALS_EXTERNAL_AWS_REQUEST_SIGNER_H