ClickHouse/base/poco/NetSSL_OpenSSL/include/Poco/Net/PrivateKeyFactory.h

//
// PrivateKeyFactory.h
//
// Library: NetSSL_OpenSSL
// Package: SSLCore
// Module:  PrivateKeyFactory
//
// Definition of the PrivateKeyFactory class.
//
// Copyright (c) 2006-2009, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier:	BSL-1.0
//


#ifndef NetSSL_PrivateKeyFactory_INCLUDED
#define NetSSL_PrivateKeyFactory_INCLUDED


#include "Poco/Net/NetSSL.h"


namespace Poco {
namespace Net {


class PrivateKeyPassphraseHandler;


class NetSSL_API PrivateKeyFactory
	/// A PrivateKeyFactory is responsible for creating PrivateKeyPassphraseHandlers.
	///
	/// You don't need to access this class directly. Use the macro
	///     POCO_REGISTER_KEYFACTORY(namespace, PrivateKeyPassphraseHandlerName) 
	/// instead (see the documentation of PrivateKeyPassphraseHandler for an example).
{
public:
	PrivateKeyFactory();
		/// Creates the PrivateKeyFactory.

	virtual ~PrivateKeyFactory();
		/// Destroys the PrivateKeyFactory.

	virtual PrivateKeyPassphraseHandler* create(bool onServer) const = 0;
		/// Creates a new PrivateKeyPassphraseHandler
};


class NetSSL_API PrivateKeyFactoryRegistrar
	/// Registrar class which automatically registers PrivateKeyFactories at the PrivateKeyFactoryMgr.
	///
	/// You don't need to access this class directly. Use the macro
	///     POCO_REGISTER_KEYFACTORY(namespace, PrivateKeyPassphraseHandlerName) 
	/// instead (see the documentation of PrivateKeyPassphraseHandler for an example).

{
public:
	PrivateKeyFactoryRegistrar(const std::string& name, PrivateKeyFactory* pFactory);
		/// Registers the PrivateKeyFactory with the given name at the factory manager.

	virtual ~PrivateKeyFactoryRegistrar();
		/// Destroys the PrivateKeyFactoryRegistrar.
};


template<typename T>
class PrivateKeyFactoryImpl: public Poco::Net::PrivateKeyFactory
{
public:
	PrivateKeyFactoryImpl()
	{
	}

	~PrivateKeyFactoryImpl()
	{
	}

	PrivateKeyPassphraseHandler* create(bool server) const
	{
		return new T(server);
	}
};


} } // namespace Poco::Net


// DEPRECATED: register the factory directly at the FactoryMgr:
// Poco::Net::SSLManager::instance().privateKeyFactoryMgr().setFactory(name, new Poco::Net::PrivateKeyFactoryImpl<MyKeyHandler>());
#define POCO_REGISTER_KEYFACTORY(API, PKCLS)	\
	static Poco::Net::PrivateKeyFactoryRegistrar aRegistrar(std::string(#PKCLS), new Poco::Net::PrivateKeyFactoryImpl<PKCLS>());


#endif // NetSSL_PrivateKeyFactory_INCLUDED