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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/>
*/
#ifndef NDN_SECURITY_VALIDATOR_REGEX_HPP
#define NDN_SECURITY_VALIDATOR_REGEX_HPP
#include "validator.hpp"
#include "identity-certificate.hpp"
#include "sec-rule-relative.hpp"
#include "certificate-cache.hpp"
#include "../util/regex.hpp"
namespace ndn {
class ValidatorRegex : public Validator
{
public:
class Error : public Validator::Error
{
public:
explicit
Error(const std::string& what)
: Validator::Error(what)
{
}
};
static const shared_ptr<CertificateCache> DEFAULT_CERTIFICATE_CACHE;
explicit
ValidatorRegex(Face& face,
shared_ptr<CertificateCache> certificateCache = DEFAULT_CERTIFICATE_CACHE,
const int stepLimit = 3);
virtual
~ValidatorRegex()
{
}
/**
* @brief Add a rule for data verification.
*
* @param rule The verification rule
*/
inline void
addDataVerificationRule(shared_ptr<SecRuleRelative> rule);
/**
* @brief Add a trust anchor
*
* @param certificate The trust anchor
*/
inline void
addTrustAnchor(shared_ptr<IdentityCertificate> certificate);
protected:
virtual void
checkPolicy(const Data& data,
int nSteps,
const OnDataValidated& onValidated,
const OnDataValidationFailed& onValidationFailed,
std::vector<shared_ptr<ValidationRequest> >& nextSteps);
virtual void
checkPolicy(const Interest& interest,
int nSteps,
const OnInterestValidated& onValidated,
const OnInterestValidationFailed& onValidationFailed,
std::vector<shared_ptr<ValidationRequest> >& nextSteps)
{
onValidationFailed(interest.shared_from_this(), "No policy for signed interest checking");
}
void
onCertificateValidated(const shared_ptr<const Data>& signCertificate,
const shared_ptr<const Data>& data,
const OnDataValidated& onValidated,
const OnDataValidationFailed& onValidationFailed);
void
onCertificateValidationFailed(const shared_ptr<const Data>& signCertificate,
const std::string& failureInfo,
const shared_ptr<const Data>& data,
const OnDataValidationFailed& onValidationFailed);
protected:
typedef std::vector< shared_ptr<SecRuleRelative> > RuleList;
typedef std::vector< shared_ptr<Regex> > RegexList;
int m_stepLimit;
shared_ptr<CertificateCache> m_certificateCache;
RuleList m_mustFailVerify;
RuleList m_verifyPolicies;
std::map<Name, shared_ptr<IdentityCertificate> > m_trustAnchors;
};
inline void
ValidatorRegex::addDataVerificationRule(shared_ptr<SecRuleRelative> rule)
{
rule->isPositive() ? m_verifyPolicies.push_back(rule) : m_mustFailVerify.push_back(rule);
}
inline void
ValidatorRegex::addTrustAnchor(shared_ptr<IdentityCertificate> certificate)
{
m_trustAnchors[certificate->getName().getPrefix(-1)] = certificate;
}
} // namespace ndn
#endif //NDN_SECURITY_VALIDATOR_REGEX_HPP