identity.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2013-2022 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/>.
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 * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
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#ifndef NDN_CXX_SECURITY_PIB_IDENTITY_HPP
#define NDN_CXX_SECURITY_PIB_IDENTITY_HPP
 
#include "ndn-cxx/security/pib/key-container.hpp"
 
namespace ndn {
namespace security {
 
inline namespace v2 {
class KeyChain;
} // inline namespace v2
 
namespace pib {
 
class IdentityContainer;
 
namespace detail {
class IdentityImpl;
} // namespace detail
 
class Identity
{
public:
  Identity() noexcept;
 
  const Name&
  getName() const;
 
  Key
  getKey(const Name& keyName) const;
 
  const KeyContainer&
  getKeys() const;
 
  Key
  getDefaultKey() const;
 
  explicit
  operator bool() const noexcept;
 
NDN_CXX_PUBLIC_WITH_TESTS_ELSE_PRIVATE: // write operations are accessible only by KeyChain
  Key
  addKey(span<const uint8_t> key, const Name& keyName) const;
 
  void
  removeKey(const Name& keyName) const;
 
  Key
  setDefaultKey(const Name& keyName) const;
 
  Key
  setDefaultKey(span<const uint8_t> key, const Name& keyName) const;
 
NDN_CXX_PUBLIC_WITH_TESTS_ELSE_PRIVATE: // private interface for IdentityContainer
  explicit
  Identity(weak_ptr<detail::IdentityImpl> impl) noexcept;
 
private:
  shared_ptr<detail::IdentityImpl>
  lock() const;
 
  bool
  equals(const Identity& other) const noexcept;
 
  // NOTE
  // The following "hidden friend" non-member operators are available
  // via argument-dependent lookup only and must be defined inline.
 
  friend bool
  operator==(const Identity& lhs, const Identity& rhs)
  {
    return lhs.equals(rhs);
  }
 
  friend bool
  operator!=(const Identity& lhs, const Identity& rhs)
  {
    return !lhs.equals(rhs);
  }
 
  friend std::ostream&
  operator<<(std::ostream& os, const Identity& id)
  {
    return os << (id ? id.getName() : "(empty)");
  }
 
private:
  weak_ptr<detail::IdentityImpl> m_impl;
 
  friend KeyChain;
  friend IdentityContainer;
};
 
} // namespace pib
 
using pib::Identity;
 
} // namespace security
} // namespace ndn
 
#endif // NDN_CXX_SECURITY_PIB_IDENTITY_HPP