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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (c) 2013-2014 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.
*
* @author Yingdi Yu <http://irl.cs.ucla.edu/~yingdi/>
*/
#include "common.hpp"
#include "identity-certificate.hpp"
#include "../util/concepts.hpp"
namespace ndn {
using std::string;
BOOST_CONCEPT_ASSERT((WireEncodable<IdentityCertificate>));
BOOST_CONCEPT_ASSERT((WireDecodable<IdentityCertificate>));
static_assert(std::is_base_of<Certificate::Error, IdentityCertificate::Error>::value,
"IdentityCertificate::Error must inherit from Certificate::Error");
IdentityCertificate::IdentityCertificate()
{
}
IdentityCertificate::IdentityCertificate(const Data& data)
: Certificate(data)
{
setPublicKeyName();
}
IdentityCertificate::IdentityCertificate(const Block& block)
: Certificate(block)
{
setPublicKeyName();
}
void
IdentityCertificate::wireDecode(const Block& wire)
{
Certificate::wireDecode(wire);
setPublicKeyName();
}
void
IdentityCertificate::setName(const Name& name)
{
Certificate::setName(name);
setPublicKeyName();
}
bool
IdentityCertificate::isCorrectName(const Name& name)
{
string idString("ID-CERT");
int i = name.size() - 1;
for (; i >= 0; i--) {
if (name.get(i).toUri() == idString)
break;
}
if (i < 0)
return false;
string keyString("KEY");
size_t keyIndex = 0;
for (; keyIndex < name.size(); keyIndex++) {
if (name.get(keyIndex).toUri() == keyString)
break;
}
if (keyIndex >= name.size())
return false;
return true;
}
void
IdentityCertificate::setPublicKeyName()
{
if (!isCorrectName(getName()))
throw Error("Wrong Identity Certificate Name!");
m_publicKeyName = certificateNameToPublicKeyName(getName());
}
bool
IdentityCertificate::isIdentityCertificate(const Certificate& certificate)
{
return dynamic_cast<const IdentityCertificate*>(&certificate);
}
Name
IdentityCertificate::certificateNameToPublicKeyName(const Name& certificateName)
{
string idString("ID-CERT");
bool foundIdString = false;
size_t idCertComponentIndex = certificateName.size() - 1;
for (; idCertComponentIndex + 1 > 0; --idCertComponentIndex) {
if (certificateName.get(idCertComponentIndex).toUri() == idString)
{
foundIdString = true;
break;
}
}
if (!foundIdString)
throw Error("Incorrect identity certificate name " + certificateName.toUri());
Name tmpName = certificateName.getSubName(0, idCertComponentIndex);
string keyString("KEY");
bool foundKeyString = false;
size_t keyComponentIndex = 0;
for (; keyComponentIndex < tmpName.size(); keyComponentIndex++) {
if (tmpName.get(keyComponentIndex).toUri() == keyString)
{
foundKeyString = true;
break;
}
}
if (!foundKeyString)
throw Error("Incorrect identity certificate name " + certificateName.toUri());
return tmpName
.getSubName(0, keyComponentIndex)
.append(tmpName.getSubName(keyComponentIndex + 1,
tmpName.size() - keyComponentIndex - 1));
}
} // namespace ndn