/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License , v . 2 . 0 . If a copy of the MPL was not distributed with this
* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice :
*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership . The ASF licenses this file to you under the Apache
* License , Version 2 . 0 ( the " License " ) ; you may not use this file
* except in compliance with the License . You may obtain a copy of
* the License at http : //www.apache.org/licenses/LICENSE-2.0 .
*/
#pragma once
#include <com/sun/star/xml/crypto/sax/XReferenceResolvedListener.hpp>
#include <com/sun/star/xml/crypto/sax/XReferenceResolvedBroadcaster.hpp>
#include <com/sun/star/xml/crypto/sax/XKeyCollector.hpp>
#include <com/sun/star/xml/crypto/sax/XMissionTaker.hpp>
#include <com/sun/star/xml/crypto/sax/XSAXEventKeeper.hpp>
#include <com/sun/star/xml/crypto/XXMLSignature.hpp>
#include <cppuhelper/implbase.hxx>
class SAL_DLLPUBLIC_RTTI SecurityEngine : public cppu::WeakImplHelper
<
css::xml::crypto::sax::XReferenceResolvedListener,
css::xml::crypto::sax::XKeyCollector,
css::xml::crypto::sax::XMissionTaker
>
/****** securityengine.hxx/CLASS SecurityEngine *******************************
*
* NAME
* SecurityEngine - - Base class of SignatureEngine and EncryptionEngine
*
* FUNCTION
* Maintains common members and methods related with security engine
* operation .
******************************************************************************/
{
protected :
/*
* A SAXEventKeeper internally maintains all resources that a security
* operation needs . The m_xSAXEventKeeper member is used to release
* those resources when the security operation finishes .
*/
css::uno::Reference< css::xml::crypto::sax::XSAXEventKeeper > m_xSAXEventKeeper;
/*
* the id of ElementCollector of the template element .
* For a signature , the template element is the Signature element ,
* for an encryption , the EncryptedData / EncryptedKey element is .
*/
sal_Int32 m_nIdOfTemplateEC;
/*
* remembers how many referenced elements have been buffered completely ,
* including the key element , template element , and referenced element of
* signature .
*/
sal_Int32 m_nNumOfResolvedReferences;
/*
* the id of ElementCollector of the key element .
* If a Signature element or EncryptedData / EncryptedKey element has
* an internal key sub - element , then this member should be - 1
*/
sal_Int32 m_nIdOfKeyEC;
/*
* remembers whether the current operation has finished .
*/
bool m_bMissionDone;
/*
* the Id of the security entity , a signature or encryption , which is used for
* the result listener to identify the entity .
*/
sal_Int32 m_nSecurityId;
/*
* the status of the operation
*/
css::xml::crypto::SecurityOperationStatus m_nStatus;
/*
* the result listener , which will receives the security operation result .
*/
css::uno::Reference< css::uno::XInterface > m_xResultListener;
protected :
explicit SecurityEngine();
virtual ~SecurityEngine() override {};
/*
* perform the security operation .
* Any derived class will implement this method respectively .
*/
/// @throws css::uno::Exception
/// @throws css::uno::RuntimeException
virtual void tryToPerform( ){};
/*
* clear up all resources used by this operation .
* This method is called after the operation finishes , or a End - Your - Mission
* message is received .
* Any derived class will implement this method respectively .
*/
virtual void clearUp( ) const {};
/*
* notifies any possible result listener .
* When verify a signature or conduct a decryption , the operation result will
* be transferred to a listener by this method .
* Any derived class will implement this method respectively .
*/
/// @throws css::uno::Exception
/// @throws css::uno::RuntimeException
virtual void notifyResultListener() const
{};
public :
/* XReferenceResolvedListener */
virtual void SAL_CALL referenceResolved( sal_Int32 referenceId ) override;
/* XKeyCollector */
virtual void SAL_CALL setKeyId( sal_Int32 id ) override;
/* XMissionTaker */
virtual sal_Bool SAL_CALL endMission( ) override;
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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