54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
/* -*- 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/.
|
|
*
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <com/sun/star/beans/XMaterialHolder.hpp>
|
|
#include <comphelper/hash.hxx>
|
|
#include <cppuhelper/implbase.hxx>
|
|
#include <sal/log.hxx>
|
|
|
|
#include <map>
|
|
|
|
namespace vcl::pdf
|
|
{
|
|
/* a crutch to transport a ::comphelper::Hash safely though UNO API
|
|
this is needed for the PDF export dialog, which otherwise would have to pass
|
|
clear text passwords down till they can be used in PDFWriter. Unfortunately
|
|
the MD5 sum of the password (which is needed to create the PDF encryption key)
|
|
is not sufficient, since an MD5 digest cannot be created in an arbitrary state
|
|
which would be needed in computeEncryptionKey.
|
|
*/
|
|
class EncryptionHashTransporter : public cppu::WeakImplHelper<css::beans::XMaterialHolder>
|
|
{
|
|
std::unique_ptr<comphelper::Hash> m_pDigest;
|
|
std::vector<sal_uInt8> maOValue;
|
|
sal_IntPtr maID;
|
|
|
|
public:
|
|
EncryptionHashTransporter();
|
|
|
|
virtual ~EncryptionHashTransporter() override;
|
|
|
|
comphelper::Hash* getUDigest() { return m_pDigest.get(); };
|
|
|
|
std::vector<sal_uInt8>& getOValue() { return maOValue; }
|
|
|
|
void invalidate() { m_pDigest.reset(); }
|
|
|
|
// XMaterialHolder
|
|
virtual css::uno::Any SAL_CALL getMaterial() override { return css::uno::Any(sal_Int64(maID)); }
|
|
|
|
static EncryptionHashTransporter*
|
|
getEncHashTransporter(const css::uno::Reference<css::beans::XMaterialHolder>& xReference);
|
|
};
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|