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//
//
// Copyright 2019 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 GRPCPP_SECURITY_ALTS_UTIL_H
#define GRPCPP_SECURITY_ALTS_UTIL_H
#include <memory>
#include <grpc/grpc_security_constants.h>
#include <grpcpp/security/alts_context.h>
#include <grpcpp/security/auth_context.h>
#include <grpcpp/support/status.h>
struct grpc_gcp_AltsContext;
namespace grpc {
namespace experimental {
// GetAltsContextFromAuthContext helps to get the AltsContext from AuthContext.
// If ALTS is not the transport security protocol used to establish the
// connection, this function will return nullptr.
std::unique_ptr<AltsContext> GetAltsContextFromAuthContext(
const std::shared_ptr<const AuthContext>& auth_context);
// This utility function performs ALTS client authorization check on server
// side, i.e., checks if the client identity matches one of the expected service
// accounts. It returns OK if client is authorized and an error otherwise.
grpc::Status AltsClientAuthzCheck(
const std::shared_ptr<const AuthContext>& auth_context,
const std::vector<TString>& expected_service_accounts);
} // namespace experimental
} // namespace grpc
#endif // GRPCPP_SECURITY_ALTS_UTIL_H
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