filter.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
 * <http://www.gnu.org/licenses/>.
 *
 * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
 */

#ifndef NDN_CXX_SECURITY_VALIDATOR_CONFIG_FILTER_HPP
#define NDN_CXX_SECURITY_VALIDATOR_CONFIG_FILTER_HPP

#include "ndn-cxx/data.hpp"
#include "ndn-cxx/interest.hpp"
#include "ndn-cxx/security/validator-config/common.hpp"
#include "ndn-cxx/security/validator-config/name-relation.hpp"
#include "ndn-cxx/util/regex.hpp"

namespace ndn {
namespace security {
inline namespace v2 {

class ValidationState;

namespace validator_config {

class Filter : noncopyable
{
public:
  virtual
  ~Filter() = default;

  bool
  match(uint32_t pktType, const Name& pktName, const shared_ptr<ValidationState>& state);

public:
  static unique_ptr<Filter>
  create(const ConfigSection& configSection, const std::string& configFilename);

private:
  static unique_ptr<Filter>
  createNameFilter(const ConfigSection& configSection, const std::string& configFilename);

private:
  virtual bool
  matchName(const Name& pktName) = 0;
};

class RelationNameFilter : public Filter
{
public:
  RelationNameFilter(const Name& name, NameRelation relation);

private:
  bool
  matchName(const Name& pktName) override;

private:
  Name m_name;
  NameRelation m_relation;
};

class RegexNameFilter : public Filter
{
public:
  explicit
  RegexNameFilter(const Regex& regex);

private:
  bool
  matchName(const Name& pktName) override;

private:
  Regex m_regex;
};

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

#endif // NDN_CXX_SECURITY_VALIDATOR_CONFIG_FILTER_HPP