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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
/**
* Copyright (C) 2013 Regents of the University of California.
* @author: Yingdi Yu <yingdi@cs.ucla.edu>
* @author: Jeff Thompson <jefft0@remap.ucla.edu>
* See COPYING for copyright and distribution information.
*/
#ifndef NDN_SECURITY_SEC_PUBLIC_INFO_HPP
#define NDN_SECURITY_SEC_PUBLIC_INFO_HPP
#include "../name.hpp"
#include "security-common.hpp"
#include "public-key.hpp"
#include "identity-certificate.hpp"
namespace ndn {
/**
* @brief SecPublicInfo is a base class for the storage of public information.
*
* It specify interfaces related to public information, such as identity, public keys and certificates.
*/
class SecPublicInfo {
public:
struct Error : public std::runtime_error { Error(const std::string &what) : std::runtime_error(what) {} };
/**
* @brief The virtual Destructor.
*/
virtual
~SecPublicInfo() {}
/**
* @brief Check if the specified identity already exists.
*
* @param identityName The identity name.
* @return true if the identity exists, otherwise false.
*/
virtual bool
doesIdentityExist(const Name& identityName) = 0;
/**
* @brief Add a new identity.
*
* if identity already exist, do not add it again.
*
* @param identityName The identity name to be added.
*/
virtual void
addIdentity(const Name& identityName) = 0;
/**
* @brief Revoke the identity.
*
* @return true if the identity was revoked, otherwise false.
*/
virtual bool
revokeIdentity() = 0;
/**
* @brief Check if the specified key already exists.
*
* @param keyName The name of the key.
* @return true if the key exists, otherwise false.
*/
virtual bool
doesPublicKeyExist(const Name& keyName) = 0;
/**
* @brief Add a public key to the identity storage.
*
* @param keyName The name of the public key to be added.
* @param keyType Type of the public key to be added.
* @param publicKeyDer A blob of the public key DER to be added.
*/
virtual void
addPublicKey(const Name& keyName, KeyType keyType, const PublicKey& publicKeyDer) = 0;
/**
* @brief Get the public key DER blob from the identity storage.
*
* @param keyName The name of the requested public key.
* @return The DER Blob.
* @throws SecPublicInfo::Error if public key does not exist.
*/
virtual shared_ptr<PublicKey>
getPublicKey(const Name& keyName) = 0;
/**
* @brief Check if the specified certificate already exists.
*
* @param certificateName The name of the certificate.
* @return true if the certificate exists, otherwise false.
*/
virtual bool
doesCertificateExist(const Name& certificateName) = 0;
/**
* @brief Add a certificate to the identity storage.
*
* It will add the corresponding public key and identity if they do not exist.
*
* @param certificate The certificate to be added.
*/
virtual void
addCertificate(const IdentityCertificate& certificate) = 0;
/**
* @brief Get a certificate from the identity storage.
*
* @param certificateName The name of the requested certificate.
* @return The requested certificate.
* @throws SecPublicInfo::Error if the certificate does not exist.
*/
virtual shared_ptr<IdentityCertificate>
getCertificate(const Name &certificateName) = 0;
/*****************************************
* Default Getter *
*****************************************/
/**
* @brief Get the default identity.
*
* @param return The name of default identity,
* @throws SecPublicInfo::Error if there is no default.
*/
virtual Name
getDefaultIdentity() = 0;
/**
* @brief Get the default key name for the specified identity.
*
* @param identityName The identity name.
* @return The default key name.
* @throws SecPublicInfo::Error if there is no default.
*/
virtual Name
getDefaultKeyNameForIdentity(const Name& identityName) = 0;
/**
* @brief Get the default certificate name for the specified key.
*
* @param keyName The key name.
* @return The default certificate name.
* @throws SecPublicInfo::Error if there is no default.
*/
virtual Name
getDefaultCertificateNameForKey(const Name& keyName) = 0;
/**
* @brief Get all the identities in public info.
*
* @param nameList On return, the identity list.
* @param isDefault If specified, only the default identity is returned.
*/
virtual void
getAllIdentities(std::vector<Name> &nameList, bool isDefault) = 0;
/**
* @brief Get all the key name in public info.
*
* @param nameList On return, the key name list.
* @param isDefault If specified, only the default keys are returned.
*/
virtual void
getAllKeyNames(std::vector<Name> &nameList, bool isDefault) = 0;
/**
* @brief Get all the key name of a particular identity.
*
* @param identity The specified identity name.
* @param nameList On return, the key name list.
* @param isDefault If specified, only the default key is returned.
*/
virtual void
getAllKeyNamesOfIdentity(const Name& identity, std::vector<Name> &nameList, bool isDefault) = 0;
/**
* @brief Get all the certificate name in public info.
*
* @param nameList On return, the certificate name list.
* @param isDefault If specified, only the default certificates are returned.
*/
virtual void
getAllCertificateNames(std::vector<Name> &nameList, bool isDefault) = 0;
/**
* @brief Get all the certificate name of a particular key.
*
* @param identity The specified key name.
* @param nameList On return, the certificate name list.
* @param isDefault If specified, only the default certificate is returned.
*/
virtual void
getAllCertificateNamesOfKey(const Name& keyName, std::vector<Name> &nameList, bool isDefault) = 0;
protected:
/*****************************************
* Default Setter *
*****************************************/
/**
* @brief Set the default identity.
*
* @param identityName The default identity name.
*/
virtual void
setDefaultIdentityInternal(const Name& identityName) = 0;
/**
* @brief Set the default key name for the corresponding identity.
*
* @param keyName The key name.
* @throws SecPublicInfo::Error if the key does not exist.
*/
virtual void
setDefaultKeyNameForIdentityInternal(const Name& keyName) = 0;
/**
* @brief Set the default certificate name for the corresponding key.
*
* @param certificateName The certificate name.
* @throws SecPublicInfo::Error if the certificatedoes not exist.
*/
virtual void
setDefaultCertificateNameForKeyInternal(const Name& certificateName) = 0;
/*****************************************
* Delete Methods *
*****************************************/
/**
* @brief Delete a certificate.
*
* @param certificateName The certificate name.
*/
virtual void
deleteCertificateInfo(const Name &certificateName) = 0;
/**
* @brief Delete a public key and related certificates.
*
* @param keyName The key name.
*/
virtual void
deletePublicKeyInfo(const Name &keyName) = 0;
/**
* @brief Delete an identity and related public keys and certificates.
*
* @param identity The identity name.
*/
virtual void
deleteIdentityInfo(const Name &identity) = 0;
public:
/*****************************************
* Helper Methods *
*****************************************/
/**
* @brief Set the default identity.
*
* @param identityName The default identity name.
* @throws SecPublicInfo::Error if the identity does not exist.
*/
inline void
setDefaultIdentity(const Name& identityName);
/**
* @brief Set the default key name for the corresponding identity.
*
* @param keyName The key name.
* @throws SecPublicInfo::Error if either the identity or key does not exist.
*/
inline void
setDefaultKeyNameForIdentity(const Name& keyName);
/**
* @brief Set the default certificate name for the corresponding key.
*
* @param certificateName The certificate name.
* @throws SecPublicInfo::Error if either the certificate or key does not exist.
*/
inline void
setDefaultCertificateNameForKey(const Name& certificateName);
/**
* @brief Generate a key name for the identity.
*
* @param identityName The identity name.
* @param useKsk If true, generate a KSK name, otherwise a DSK name.
* @return The generated key name.
*/
inline Name
getNewKeyName(const Name& identityName, bool useKsk);
/**
* @brief Get the default certificate name for the specified identity.
*
* @param identityName The identity name.
* @return The default certificate name.
* @throws SecPublicInfo::Error if no certificate is found.
*/
inline Name
getDefaultCertificateNameForIdentity(const Name& identityName);
/**
* @brief Get the default certificate name of the default identity
*
* @return The requested certificate name.
* @throws SecPublicInfo::Error if no certificate is found.
*/
inline Name
getDefaultCertificateName();
/**
* @brief Add a certificate and set the certificate as the default one of its corresponding key.
*
* @param certificate The certificate to be added.
* @throws SecPublicInfo::Error if the certificate cannot be added (though it is really rare)
*/
inline void
addCertificateAsKeyDefault(const IdentityCertificate& certificate);
/**
* @brief Add a certificate into the public key identity storage and set the certificate as the default one of its corresponding identity.
*
* @param certificate The certificate to be added.
* @throws SecPublicInfo::Error if the certificate cannot be added (though it is really rare)
*/
inline void
addCertificateAsIdentityDefault(const IdentityCertificate& certificate);
/**
* @brief Add a certificate into the public key identity storage and set the certificate as the default one of the default identity.
*
* @param certificate The certificate to be added.
* @throws SecPublicInfo::Error if the certificate cannot be added (though it is really rare)
*/
inline void
addCertificateAsSystemDefault(const IdentityCertificate& certificate);
/**
* @brief get cached default certificate of the default identity.
*
* @return The certificate which might be a NULL pointer.
*/
inline shared_ptr<IdentityCertificate>
defaultCertificate();
/**
* @brief try to get the default certificate of the default identity from the public info.
*/
inline void
refreshDefaultCertificate();
protected:
shared_ptr<IdentityCertificate> m_defaultCertificate;
};
void
SecPublicInfo::setDefaultIdentity(const Name& identityName)
{
setDefaultIdentityInternal(identityName);
refreshDefaultCertificate();
}
void
SecPublicInfo::setDefaultKeyNameForIdentity(const Name& keyName)
{
setDefaultKeyNameForIdentityInternal(keyName);
refreshDefaultCertificate();
}
void
SecPublicInfo::setDefaultCertificateNameForKey(const Name& certificateName)
{
setDefaultCertificateNameForKeyInternal(certificateName);
refreshDefaultCertificate();
}
Name
SecPublicInfo::getDefaultCertificateNameForIdentity(const Name& identityName)
{
return getDefaultCertificateNameForKey(getDefaultKeyNameForIdentity(identityName));
}
Name
SecPublicInfo::getNewKeyName (const Name& identityName, bool useKsk)
{
std::ostringstream oss;
if (useKsk)
oss << "ksk-";
else
oss << "dsk-";
oss << getNow();
Name keyName = Name(identityName).append(oss.str());
if (doesPublicKeyExist(keyName))
throw Error("Key name already exists: " + keyName.toUri());
return keyName;
}
Name
SecPublicInfo::getDefaultCertificateName()
{
if(!static_cast<bool>(m_defaultCertificate))
refreshDefaultCertificate();
if(!static_cast<bool>(m_defaultCertificate))
throw Error("No default certificate is set");
return m_defaultCertificate->getName();
}
void
SecPublicInfo::addCertificateAsKeyDefault(const IdentityCertificate& certificate)
{
addCertificate(certificate);
setDefaultCertificateNameForKeyInternal(certificate.getName());
refreshDefaultCertificate();
}
void
SecPublicInfo::addCertificateAsIdentityDefault(const IdentityCertificate& certificate)
{
addCertificate(certificate);
Name certName = certificate.getName();
setDefaultKeyNameForIdentityInternal(IdentityCertificate::certificateNameToPublicKeyName(certName));
setDefaultCertificateNameForKeyInternal(certName);
refreshDefaultCertificate();
}
void
SecPublicInfo::addCertificateAsSystemDefault(const IdentityCertificate& certificate)
{
addCertificate(certificate);
Name certName = certificate.getName();
Name keyName = IdentityCertificate::certificateNameToPublicKeyName(certName);
setDefaultIdentityInternal(keyName.getPrefix(-1));
setDefaultKeyNameForIdentityInternal(keyName);
setDefaultCertificateNameForKeyInternal(certName);
refreshDefaultCertificate();
}
shared_ptr<IdentityCertificate>
SecPublicInfo::defaultCertificate()
{
return m_defaultCertificate;
}
void
SecPublicInfo::refreshDefaultCertificate()
{
try
{
Name certName = getDefaultCertificateNameForIdentity(getDefaultIdentity());
m_defaultCertificate = getCertificate(certName);
}
catch(SecPublicInfo::Error& e)
{
m_defaultCertificate.reset();
}
}
} // namespace ndn
#endif //NDN_SECURITY_SEC_PUBLIC_INFO_HPP