certificate-bundle-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.
 *
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 * 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
 * <http://www.gnu.org/licenses/>.
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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_BUNDLE_FETCHER_HPP
#define NDN_CXX_SECURITY_CERTIFICATE_BUNDLE_FETCHER_HPP

#include "ndn-cxx/name.hpp"
#include "ndn-cxx/tag.hpp"
#include "ndn-cxx/security/certificate-fetcher-from-network.hpp"

namespace ndn {
namespace security {
inline namespace v2 {

class CertificateBundleFetcher : public CertificateFetcher
{
public:
  explicit
  CertificateBundleFetcher(unique_ptr<CertificateFetcher> inner,
                           Face& face);

  void
  setBundleInterestLifetime(time::milliseconds time);

  time::milliseconds
  getBundleInterestLifetime() const;

  void
  setCertificateStorage(CertificateStorage& certStorage) override;

protected:
  void
  doFetch(const shared_ptr<CertificateRequest>& certRequest, const shared_ptr<ValidationState>& state,
          const ValidationContinuation& continueValidation) override;

private:
  void
  fetchFirstBundleSegment(const Name& bundleNamePrefix,
                          const shared_ptr<CertificateRequest>& certRequest,
                          const shared_ptr<ValidationState>& state,
                          const ValidationContinuation& continueValidation);

  void
  fetchNextBundleSegment(const Name& fullBundleName, const name::Component& segmentNo,
                         const shared_ptr<CertificateRequest>& certRequest,
                         const shared_ptr<ValidationState>& state,
                         const ValidationContinuation& continueValidation);

  static Name
  deriveBundleName(const Name& name);

  void
  dataCallback(const Data& data, bool isSegmentZeroExpected,
               const shared_ptr<CertificateRequest>& certRequest, const shared_ptr<ValidationState>& state,
               const ValidationContinuation& continueValidation);

  void
  nackCallback(const lp::Nack& nack,
               const shared_ptr<CertificateRequest>& certRequest, const shared_ptr<ValidationState>& state,
               const ValidationContinuation& continueValidation, const Name& bundleName);

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

private:
  unique_ptr<CertificateFetcher> m_inner;
  Face& m_face;
  using BundleNameTag = SimpleTag<Name, 1000>;
  using FinalBlockIdTag = SimpleTag<name::Component, 1001>;
  time::milliseconds m_bundleInterestLifetime;
};

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

#endif // NDN_CXX_SECURITY_CERTIFICATE_BUNDLE_FETCHER_HPP