160 lines
5.5 KiB
C++
160 lines
5.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef _SECURITYENGINE_HXX
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#define _SECURITYENGINE_HXX
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#include <com/sun/star/xml/crypto/sax/XReferenceResolvedListener.hpp>
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#include <com/sun/star/xml/crypto/sax/XReferenceResolvedBroadcaster.hpp>
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#include <com/sun/star/xml/crypto/sax/XKeyCollector.hpp>
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#include <com/sun/star/xml/crypto/sax/XMissionTaker.hpp>
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#include <com/sun/star/xml/crypto/sax/XSAXEventKeeper.hpp>
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#include <com/sun/star/xml/crypto/XXMLSignature.hpp>
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#include <cppuhelper/implbase3.hxx>
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class SecurityEngine : public cppu::WeakImplHelper3
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<
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com::sun::star::xml::crypto::sax::XReferenceResolvedListener,
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com::sun::star::xml::crypto::sax::XKeyCollector,
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com::sun::star::xml::crypto::sax::XMissionTaker
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>
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/****** securityengine.hxx/CLASS SecurityEngine *******************************
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*
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* NAME
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* SecurityEngine -- Base class of SignatureEngine and EncryptionEngine
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*
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* FUNCTION
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* Maintains common members and methods related with security engine
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* operation.
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*
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* AUTHOR
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* Michael Mi
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* Email: michael.mi@sun.com
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******************************************************************************/
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{
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protected:
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com::sun::star::uno::Reference<
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com::sun::star::lang::XMultiServiceFactory > mxMSF;
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/*
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* A SAXEventKeeper internally maintians all resources that a security
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* operation needs. The m_xSAXEventKeeper member is used to release
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* those resources when the security operation finishes.
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*/
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com::sun::star::uno::Reference<
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com::sun::star::xml::crypto::sax::XSAXEventKeeper > m_xSAXEventKeeper;
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/*
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* the id of ElementCollector of the template element.
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* For a signature, the template element is the Signature element,
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* for a encryption, the EncryptedData/EncryptedKey element is.
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*/
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sal_Int32 m_nIdOfTemplateEC;
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/*
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* remembers how many referenced elements have been bufferred completely,
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* including the key element, template element, and referenced element of
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* signature.
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*/
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sal_Int32 m_nNumOfResolvedReferences;
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/*
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* the id of ElementCollector of the key element.
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* If a Signature element or EncryptedData/EncryptedKey element has
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* an internal key sub-element, then this member should be -1
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*/
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sal_Int32 m_nIdOfKeyEC;
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/*
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* remembers whether the current opertion has finished.
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*/
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bool m_bMissionDone;
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/*
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* the Id of the security entity, a signature or encryption, which is used for
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* the result listener to identify the entity.
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*/
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sal_Int32 m_nSecurityId;
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/*
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* the status of the operation
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*/
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com::sun::star::xml::crypto::SecurityOperationStatus m_nStatus;
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/*
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* the result listener, which will receives the security operation result.
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*/
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com::sun::star::uno::Reference<
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com::sun::star::uno::XInterface >
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m_xResultListener;
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protected:
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explicit SecurityEngine( const com::sun::star::uno::Reference<
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com::sun::star::lang::XMultiServiceFactory >& rxMSF = NULL );
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virtual ~SecurityEngine() {};
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/*
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* perform the security operation.
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* Any derived class will implement this method respectively.
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*/
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virtual void tryToPerform( )
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throw (com::sun::star::uno::Exception, com::sun::star::uno::RuntimeException){};
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/*
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* clear up all resources used by this operation.
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* This method is called after the operation finishes, or a End-Your-Mission
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* message is received.
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* Any derived class will implement this method respectively.
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*/
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virtual void clearUp( ) const {};
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/*
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* notifies any possible result listener.
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* When verify a signature or conduct a decryption, the operation result will
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* be transferred to a listener by this method.
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* Any derived class will implement this method respectively.
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*/
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virtual void notifyResultListener() const
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throw (com::sun::star::uno::Exception, com::sun::star::uno::RuntimeException)
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{};
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/*
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* checks whether everything is ready.
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* Any derived class will implement this method respectively.
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*/
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virtual bool checkReady() const { return true; };
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public:
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/* XReferenceResolvedListener */
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virtual void SAL_CALL referenceResolved( sal_Int32 referenceId )
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throw (com::sun::star::uno::Exception, com::sun::star::uno::RuntimeException);
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/* XKeyCollector */
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virtual void SAL_CALL setKeyId( sal_Int32 id )
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throw (com::sun::star::uno::Exception, com::sun::star::uno::RuntimeException);
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/* XMissionTaker */
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virtual sal_Bool SAL_CALL endMission( )
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throw (com::sun::star::uno::RuntimeException);
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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