trust-anchor-group.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2013-2024 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
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 * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
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#ifndef NDN_CXX_SECURITY_TRUST_ANCHOR_GROUP_HPP
#define NDN_CXX_SECURITY_TRUST_ANCHOR_GROUP_HPP
 
#include "ndn-cxx/data.hpp"
#include "ndn-cxx/security/certificate.hpp"
 
#include <filesystem>
#include <set>
 
namespace ndn::security {
 
class CertContainerInterface
{
public:
  virtual
  ~CertContainerInterface() = default;
 
  virtual void
  add(Certificate&& cert) = 0;
 
  virtual void
  remove(const Name& certName) = 0;
};
 
class TrustAnchorGroup : noncopyable
{
public:
  TrustAnchorGroup(CertContainerInterface& certContainer, const std::string& id);
 
  virtual
  ~TrustAnchorGroup();
 
  const std::string&
  getId() const
  {
    return m_id;
  }
 
  size_t
  size() const;
 
  virtual void
  refresh();
 
protected:
  CertContainerInterface& m_certs;
  std::set<Name> m_anchorNames;
 
private:
  std::string m_id;
};
 
class StaticTrustAnchorGroup : public TrustAnchorGroup
{
public:
  StaticTrustAnchorGroup(CertContainerInterface& certContainer, const std::string& id);
 
  void
  add(Certificate&& cert);
 
  void
  remove(const Name& certName);
};
 
class DynamicTrustAnchorGroup : public TrustAnchorGroup
{
public:
  DynamicTrustAnchorGroup(CertContainerInterface& certContainer, const std::string& id,
                          const std::filesystem::path& path, time::nanoseconds refreshPeriod,
                          bool isDir = false);
 
  void
  refresh() override;
 
private:
  bool m_isDir;
  std::filesystem::path m_path;
  time::nanoseconds m_refreshPeriod;
  time::steady_clock::time_point m_expireTime;
};
 
} // namespace ndn::security
 
#endif // NDN_CXX_SECURITY_TRUST_ANCHOR_GROUP_HPP