certificate-fetcher.hpp

/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
#ifndef NDN_CERTIFICATE_FETCHER_HPP
#define NDN_CERTIFICATE_FETCHER_HPP

#include "certificate-storage.hpp"
#include "certificate-request.hpp"
#include "validation-state.hpp"

namespace ndn {

class CertificateFetcher {
public:
  typedef func_lib::function<void
    (const ptr_lib::shared_ptr<CertificateV2>& certificate,
     const ptr_lib::shared_ptr<ValidationState>& state)> ValidationContinuation;

  CertificateFetcher()
  : certificateStorage_(0)
  {
  }

  virtual
  ~CertificateFetcher();

  virtual void
  setCertificateStorage(CertificateStorage& certificateStorage);

  void
  fetch
    (const ptr_lib::shared_ptr<CertificateRequest>& certificateRequest,
     const ptr_lib::shared_ptr<ValidationState>& state,
     const ValidationContinuation& continueValidation);

protected:
  virtual void
  doFetch
    (const ptr_lib::shared_ptr<CertificateRequest>& certificateRequest,
     const ptr_lib::shared_ptr<ValidationState>& state,
     const ValidationContinuation& continueValidation) = 0;

private:
  void
  continueFetch
    (const ptr_lib::shared_ptr<CertificateV2>& certificate,
     const ptr_lib::shared_ptr<ValidationState>& state,
     const ValidationContinuation& continueValidation)
  {
    certificateStorage_->cacheUnverifiedCertificate(*certificate);
    continueValidation(certificate, state);
  }

  // Disable the copy constructor and assignment operator.
  CertificateFetcher(const CertificateFetcher& other);
  CertificateFetcher& operator=(const CertificateFetcher& other);

protected:
  CertificateStorage* certificateStorage_;
};

}

#endif