certificate-fetcher.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2013-2021 Regents of the University of California.
 *
 * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
 *
 * ndn-cxx library is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
 *
 * You should have received copies of the GNU General Public License and GNU Lesser
 * General Public License along with ndn-cxx, e.g., in COPYING.md file.  If not, see
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 * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
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#ifndef NDN_CXX_SECURITY_CERTIFICATE_FETCHER_HPP
#define NDN_CXX_SECURITY_CERTIFICATE_FETCHER_HPP

#include "ndn-cxx/detail/common.hpp"

namespace ndn {
namespace security {
inline namespace v2 {

class Certificate;
class CertificateRequest;
class CertificateStorage;
class ValidationState;

class CertificateFetcher : noncopyable
{
public:
  using ValidationContinuation = std::function<void(const Certificate& cert,
                                                    const shared_ptr<ValidationState>& state)>;

  CertificateFetcher();

  virtual
  ~CertificateFetcher();

  virtual void
  setCertificateStorage(CertificateStorage& certStorage);

  void
  fetch(const shared_ptr<CertificateRequest>& certRequest, const shared_ptr<ValidationState>& state,
        const ValidationContinuation& continueValidation);

private:
  virtual void
  doFetch(const shared_ptr<CertificateRequest>& certRequest, const shared_ptr<ValidationState>& state,
          const ValidationContinuation& continueValidation) = 0;

protected:
  CertificateStorage* m_certStorage;
};

} // inline namespace v2
} // namespace security
} // namespace ndn

#endif // NDN_CXX_SECURITY_CERTIFICATE_FETCHER_HPP