certificate-container.cpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#include "certificate-container.hpp"
#include "pib-impl.hpp"
#include "util/concepts.hpp"

namespace ndn {
namespace security {
namespace pib {

NDN_CXX_ASSERT_FORWARD_ITERATOR(CertificateContainer::const_iterator);

CertificateContainer::const_iterator::const_iterator()
  : m_container(nullptr)
{
}

CertificateContainer::const_iterator::const_iterator(std::set<Name>::const_iterator it,
                                                     const CertificateContainer& container)
  : m_it(it)
  , m_container(&container)
{
}

v2::Certificate
CertificateContainer::const_iterator::operator*()
{
  BOOST_ASSERT(m_container != nullptr);
  return m_container->get(*m_it);
}

CertificateContainer::const_iterator&
CertificateContainer::const_iterator::operator++()
{
  ++m_it;
  return *this;
}

CertificateContainer::const_iterator
CertificateContainer::const_iterator::operator++(int)
{
  BOOST_ASSERT(m_container != nullptr);
  const_iterator it(m_it, *m_container);
  ++m_it;
  return it;
}

bool
CertificateContainer::const_iterator::operator==(const const_iterator& other) const
{
  bool isThisEnd = m_container == nullptr || m_it == m_container->m_certNames.end();
  bool isOtherEnd = other.m_container == nullptr || other.m_it == other.m_container->m_certNames.end();
  return ((isThisEnd || isOtherEnd) ?
          (isThisEnd == isOtherEnd) :
          m_container->m_pib == other.m_container->m_pib && m_it == other.m_it);
}

bool
CertificateContainer::const_iterator::operator!=(const const_iterator& other) const
{
  return !(*this == other);
}

CertificateContainer::CertificateContainer(const Name& keyName, shared_ptr<PibImpl> pibImpl)
  : m_keyName(keyName)
  , m_pib(std::move(pibImpl))
{
  BOOST_ASSERT(m_pib != nullptr);
  m_certNames = m_pib->getCertificatesOfKey(keyName);
}

CertificateContainer::const_iterator
CertificateContainer::begin() const
{
  return const_iterator(m_certNames.begin(), *this);
}

CertificateContainer::const_iterator
CertificateContainer::end() const
{
  return const_iterator();
}

CertificateContainer::const_iterator
CertificateContainer::find(const Name& certName) const
{
  return const_iterator(m_certNames.find(certName), *this);
}

size_t
CertificateContainer::size() const
{
  return m_certNames.size();
}

void
CertificateContainer::add(const v2::Certificate& certificate)
{
  if (m_keyName != certificate.getKeyName())
    BOOST_THROW_EXCEPTION(std::invalid_argument("Certificate name `" + certificate.getKeyName().toUri() + "` "
                                                "does not match key name"));

  const Name& certName = certificate.getName();
  m_certNames.insert(certName);
  m_certs[certName] = certificate;
  m_pib->addCertificate(certificate);
}

void
CertificateContainer::remove(const Name& certName)
{
  if (!v2::Certificate::isValidName(certName) ||
      v2::extractKeyNameFromCertName(certName) != m_keyName) {
    BOOST_THROW_EXCEPTION(std::invalid_argument("Certificate name `" + certName.toUri() + "` "
                                                "is invalid or does not match key name"));
  }

  m_certNames.erase(certName);
  m_certs.erase(certName);
  m_pib->removeCertificate(certName);
}

v2::Certificate
CertificateContainer::get(const Name& certName) const
{
  auto it = m_certs.find(certName);

  if (it != m_certs.end())
    return it->second;

  if (!v2::Certificate::isValidName(certName) ||
      v2::extractKeyNameFromCertName(certName) != m_keyName) {
    BOOST_THROW_EXCEPTION(std::invalid_argument("Certificate name `" + certName.toUri() + "` "
                                                "is invalid or does not match key name"));
  }

  m_certs[certName] = m_pib->getCertificate(certName);
  return m_certs[certName];
}

bool
CertificateContainer::isConsistent() const
{
  return m_certNames == m_pib->getCertificatesOfKey(m_keyName);
}

} // namespace pib
} // namespace security
} // namespace ndn