auth_metadata_processor.h

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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.
 *
 */

#ifndef GRPCPP_SECURITY_AUTH_METADATA_PROCESSOR_H
#define GRPCPP_SECURITY_AUTH_METADATA_PROCESSOR_H

#include <map>

#include <grpcpp/security/auth_context.h>
#include <grpcpp/support/status.h>
#include <grpcpp/support/string_ref.h>

namespace grpc {

class AuthMetadataProcessor {
 public:
  typedef std::multimap<grpc::string_ref, grpc::string_ref> InputMetadata;
  typedef std::multimap<grpc::string, grpc::string> OutputMetadata;

  virtual ~AuthMetadataProcessor() {}

  virtual bool IsBlocking() const { return true; }

  virtual Status Process(const InputMetadata& auth_metadata,
                         AuthContext* context,
                         OutputMetadata* consumed_auth_metadata,
                         OutputMetadata* response_metadata) = 0;
};

}  // namespace grpc

#endif  // GRPCPP_SECURITY_AUTH_METADATA_PROCESSOR_H