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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (c) 2013-2015 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.
*/
#ifndef NDN_SECURITY_PIB_IMPL_HPP
#define NDN_SECURITY_PIB_IMPL_HPP
#include <set>
#include "identity-certificate.hpp"
namespace ndn {
namespace security {
/**
* @brief Abstract class of PIB implementation
*
* This class defines the interface that an actual PIB (e.g., one based on sqlite3)
* implementation should provide.
*/
class PibImpl
{
public:
/**
* @brief represents a non-semantic error
*
* A subclass of PibImpl may throw a subclass of this type when
* there's a non-semantic error, such as a storage problem.
*/
class Error : public std::runtime_error
{
public:
explicit
Error(const std::string& what)
: std::runtime_error(what)
{
}
};
public:
virtual
~PibImpl()
{
}
public: // TpmLocator management
/**
* @brief Set the corresponding TPM information to @p tpmLocator.
*
* If the provided @p tpmLocator is different from the existing one, the
* content in PIB will be cleaned up, otherwise nothing will be changed.
*
* @param tpmLocator The name for the new TPM locator
*/
virtual void
setTpmLocator(const std::string& tpmLocator) = 0;
/**
* @brief Get TPM Locator
*/
virtual std::string
getTpmLocator() const = 0;
public: // Identity management
/**
* @brief Check the existence of an identity.
*
* @param identity The name of the identity.
* @return true if the identity exists, otherwise false.
*/
virtual bool
hasIdentity(const Name& identity) const = 0;
/**
* @brief Add an identity.
*
* If the identity already exists, do nothing.
* If no default identity has been set, set the added one as default identity.
*
* @param identity The name of the identity to add.
*/
virtual void
addIdentity(const Name& identity) = 0;
/**
* @brief Remove an identity
*
* If the identity does not exist, do nothing.
* Remove related keys and certificates as well.
*
* @param identity The name of the identity to remove.
*/
virtual void
removeIdentity(const Name& identity) = 0;
/// @brief Get the name of all the identities
virtual std::set<Name>
getIdentities() const = 0;
/**
* @brief Set an identity with name @p identityName as the default identity.
*
* Since adding an identity only requires the identity name, create the
* identity if it does not exist.
*
* @param identityName The name for the default identity.
*/
virtual void
setDefaultIdentity(const Name& identityName) = 0;
/**
* @brief Get the default identity.
*
* @return The name for the default identity.
* @throws Pib::Error if no default identity.
*/
virtual Name
getDefaultIdentity() const = 0;
public: // Key management
/**
* @brief Check the existence of a key.
*
* @param identity The name of the belonged identity.
* @param keyId The key id component.
* @return true if the key exists, otherwise false. Return false if the identity does not exist
*/
virtual bool
hasKey(const Name& identity, const name::Component& keyId) const = 0;
/**
* @brief Add a key.
*
* If the key already exists, do nothing.
* If the identity does not exist, add the identity as well.
* If no default key of the identity has been set, set the added one as default
* key of the identity.
*
* @param identity The name of the belonged identity.
* @param keyId The key id component.
* @param publicKey The public key bits.
*/
virtual void
addKey(const Name& identity, const name::Component& keyId, const PublicKey& publicKey) = 0;
/**
* @brief Remove a key.
*
* If the key does not exist, do nothing.
* Remove related certificates as well.
*
* @param identity The name of the belonged identity.
* @param keyId The key id component.
*/
virtual void
removeKey(const Name& identity, const name::Component& keyId) = 0;
/**
* @brief Get the key bits of a key.
*
* @param identity The name of the belonged identity.
* @param keyId The key id component.
* @return key bits
* @throws Pib::Error if the key does not exist.
*/
virtual PublicKey
getKeyBits(const Name& identity, const name::Component& keyId) const = 0;
/**
* @brief Get all the key ids of an identity with name @p identity
*
* The returned key ids can be used to create a KeyContainer.
* With key id, identity name, backend implementation, one can create a Key frontend instance.
*
* @return the key id name component set. If the identity does not exist, return an empty set.
*/
virtual std::set<name::Component>
getKeysOfIdentity(const Name& identity) const = 0;
/**
* @brief Set an key with id @p keyId as the default key of an identity with name @p identity.
*
* @param identity The name of the belonged identity.
* @param keyId The key id component.
* @throws Pib::Error if the key does not exist.
*/
virtual void
setDefaultKeyOfIdentity(const Name& identity, const name::Component& keyId) = 0;
/**
* @brief Get the id of the default key of an identity with name @p identity.
*
* @param identity The name of the belonged identity.
* @throws Pib::Error if no default key or the identity does not exist.
*/
virtual name::Component
getDefaultKeyOfIdentity(const Name& identity) const = 0;
public: // Certificate Management
/**
* @brief Check the existence of a certificate with name @p certName.
*
* @param certName The name of the certificate.
* @return true if the certificate exists, otherwise false.
*/
virtual bool
hasCertificate(const Name& certName) const = 0;
/**
* @brief Add a certificate.
*
* If the certificate already exists, do nothing.
* If the key or identity do not exist, add them as well.
* If no default certificate of the key has been set, set the added one as
* default certificate of the key.
*
* @param certificate The certificate to add.
*/
virtual void
addCertificate(const IdentityCertificate& certificate) = 0;
/**
* @brief Remove a certificate with name @p certName.
*
* If the certificate does not exist, do nothing.
*
* @param certName The name of the certificate.
*/
virtual void
removeCertificate(const Name& certName) = 0;
/**
* @brief Get a certificate with name @p certName.
*
* @param certName The name of the certificate.
* @return the certificate.
* @throws Pib::Error if the certificate does not exist.
*/
virtual IdentityCertificate
getCertificate(const Name& certName) const = 0;
/**
* @brief Get a list of certificate names of a key with id @p keyId of @p identity.
*
* The returned certificate names can be used to create a CertificateContainer.
* With certificate name and backend implementation, one can obtain the certificate directly.
*
* @param identity The name of the belonging identity.
* @param keyId The key id.
* @return The certificate name set. If the key does not exist, return an empty set.
*/
virtual std::set<Name>
getCertificatesOfKey(const Name& identity, const name::Component& keyId) const = 0;
/**
* @brief Set a cert with name @p certName as the default of a key with id @keyId of @identity.
*
* @param identity The name of the belonging identity.
* @param keyId The key id.
* @param certName The name of the certificate.
* @throws Pib::Error if the certificate with name @p certName does not exist.
*/
virtual void
setDefaultCertificateOfKey(const Name& identity, const name::Component& keyId,
const Name& certName) = 0;
/**
* @brief Get the default certificate of a key with id @keyId of @identity.
*
* @param identity The name of the belonging identity.
* @param keyId The key id.
* @return a pointer to the certificate, null if no default certificate for the key.
* @throws Pib::Error if the default certificate does not exist.
*/
virtual IdentityCertificate
getDefaultCertificateOfKey(const Name& identity, const name::Component& keyId) const = 0;
};
} // namespace security
} // namespace ndn
#endif // NDN_SECURITY_PIB_IMPL_HPP