alts_credentials.h

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/*
 *
 * Copyright 2018 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_CORE_LIB_SECURITY_CREDENTIALS_ALTS_ALTS_CREDENTIALS_H
#define GRPC_CORE_LIB_SECURITY_CREDENTIALS_ALTS_ALTS_CREDENTIALS_H
 
#include <grpc/support/port_platform.h>
 
#include <grpc/grpc.h>
#include <grpc/grpc_security.h>
#include <grpc/impl/codegen/grpc_types.h>
 
#include "src/core/lib/gpr/useful.h"
#include "src/core/lib/gprpp/ref_counted_ptr.h"
#include "src/core/lib/gprpp/unique_type_name.h"
#include "src/core/lib/security/credentials/credentials.h"
#include "src/core/lib/security/security_connector/security_connector.h"
 
/* Main struct for grpc ALTS channel credential. */
class grpc_alts_credentials final : public grpc_channel_credentials {
 public:
  grpc_alts_credentials(const grpc_alts_credentials_options* options,
                        const char* handshaker_service_url);
  ~grpc_alts_credentials() override;
 
  grpc_core::RefCountedPtr<grpc_channel_security_connector>
  create_security_connector(
      grpc_core::RefCountedPtr<grpc_call_credentials> call_creds,
      const char* target_name, const grpc_channel_args* args,
      grpc_channel_args** new_args) override;
 
  grpc_core::UniqueTypeName type() const override;
 
  const grpc_alts_credentials_options* options() const { return options_; }
  grpc_alts_credentials_options* mutable_options() { return options_; }
  const char* handshaker_service_url() const { return handshaker_service_url_; }
 
 private:
  int cmp_impl(const grpc_channel_credentials* other) const override {
    // TODO(yashykt): Check if we can do something better here
    return grpc_core::QsortCompare(
        static_cast<const grpc_channel_credentials*>(this), other);
  }
 
  grpc_alts_credentials_options* options_;
  char* handshaker_service_url_;
};
 
/* Main struct for grpc ALTS server credential. */
class grpc_alts_server_credentials final : public grpc_server_credentials {
 public:
  grpc_alts_server_credentials(const grpc_alts_credentials_options* options,
                               const char* handshaker_service_url);
  ~grpc_alts_server_credentials() override;
 
  grpc_core::RefCountedPtr<grpc_server_security_connector>
  create_security_connector(const grpc_channel_args* /* args */) override;
 
  grpc_core::UniqueTypeName type() const override;
 
  const grpc_alts_credentials_options* options() const { return options_; }
  grpc_alts_credentials_options* mutable_options() { return options_; }
  const char* handshaker_service_url() const { return handshaker_service_url_; }
 
 private:
  grpc_alts_credentials_options* options_;
  char* handshaker_service_url_;
};
 
grpc_channel_credentials* grpc_alts_credentials_create_customized(
    const grpc_alts_credentials_options* options,
    const char* handshaker_service_url, bool enable_untrusted_alts);
 
grpc_server_credentials* grpc_alts_server_credentials_create_customized(
    const grpc_alts_credentials_options* options,
    const char* handshaker_service_url, bool enable_untrusted_alts);
 
#endif /* GRPC_CORE_LIB_SECURITY_CREDENTIALS_ALTS_ALTS_CREDENTIALS_H */