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/* -*- 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/XReferenceCollector.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/XUriBinding.hpp>
#include <cppuhelper/implbase.hxx>
#include <xmlsecuritydllapi.h>
#include <framework/securityengine.hxx>
#include <vector>
namespace com::sun::star::io { class XInputStream; }
namespace com::sun::star::xml::crypto { class XXMLSignature; }
namespace rtl { template <class reference_type> class Reference; }
class XMLSignatureTemplateImpl;
class SignatureEngine : public cppu::ImplInheritanceHelper
<
SecurityEngine,
css::xml::crypto::sax::XReferenceCollector,
css::xml::crypto::XUriBinding
>
/****** signatureengine.hxx/CLASS SignatureEngine *****************************
*
* NAME
* SignatureEngine -- Base class of SignatureCreator and SignatureVerifier
*
* FUNCTION
* Maintains common members and methods related with signature operation.
******************************************************************************/
{
protected:
/*
* the Signature bridge component, which performs signature generation
* and verification based on xmlsec library.
*/
css::uno::Reference< css::xml::crypto::XXMLSignature > m_xXMLSignature;
/*
* a collection of ElementCollector's ids. Each ElementCollector
* represents one element signed by this signature.
*/
std::vector< sal_Int32 > m_vReferenceIds;
/*
* remembers how many references this signature has.
*/
sal_Int32 m_nTotalReferenceNumber;
/*
* a collection of Uri binding.
*
* the m_vUris is used to hold the Uri strings, and the m_vXInputStreams is used
* to hold corresponding bound XInputStream interface.
*/
std::vector< OUString > m_vUris;
std::vector< css::uno::Reference< css::io::XInputStream > > m_vXInputStreams;
protected:
explicit SignatureEngine();
virtual ~SignatureEngine() override {};
virtual void tryToPerform( ) override;
virtual void clearUp( ) const override;
bool checkReady() const;
/*
* starts the main function. This method will be implemented by any sub-class.
* For a SignatureCreator, it performs signing operation;
* for a SignatureVerifier, verification operation is performed.
*/
/// @throws css::uno::Exception
/// @throws css::uno::RuntimeException
virtual void startEngine( const rtl::Reference<XMLSignatureTemplateImpl>&)
{};
public:
/* XReferenceCollector */
virtual void SAL_CALL setReferenceCount( sal_Int32 count ) override;
virtual void SAL_CALL setReferenceId( sal_Int32 id ) override;
/* XUriBinding */
virtual void SAL_CALL setUriBinding(
const OUString& uri,
const css::uno::Reference< css::io::XInputStream >& aInputStream ) override;
virtual css::uno::Reference< css::io::XInputStream >
SAL_CALL getUriBinding( const OUString& uri ) override;
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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