189 lines
7.1 KiB
C++
189 lines
7.1 KiB
C++
/*************************************************************************
|
|
*
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* Copyright 2000, 2010 Oracle and/or its affiliates.
|
|
*
|
|
* OpenOffice.org - a multi-platform office productivity suite
|
|
*
|
|
* This file is part of OpenOffice.org.
|
|
*
|
|
* OpenOffice.org is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License version 3
|
|
* only, as published by the Free Software Foundation.
|
|
*
|
|
* OpenOffice.org is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License version 3 for more details
|
|
* (a copy is included in the LICENSE file that accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* version 3 along with OpenOffice.org. If not, see
|
|
* <http://www.openoffice.org/license.html>
|
|
* for a copy of the LGPLv3 License.
|
|
*
|
|
************************************************************************/
|
|
|
|
// MARKER(update_precomp.py): autogen include statement, do not remove
|
|
#include "precompiled_comphelper.hxx"
|
|
|
|
#include "comphelper/docpasswordhelper.hxx"
|
|
#include <com/sun/star/task/XInteractionHandler.hpp>
|
|
#include "comphelper/mediadescriptor.hxx"
|
|
|
|
using ::rtl::OUString;
|
|
using ::com::sun::star::uno::Sequence;
|
|
using ::com::sun::star::uno::Exception;
|
|
using ::com::sun::star::uno::Reference;
|
|
using ::com::sun::star::uno::UNO_SET_THROW;
|
|
using ::com::sun::star::task::PasswordRequestMode;
|
|
using ::com::sun::star::task::PasswordRequestMode_PASSWORD_ENTER;
|
|
using ::com::sun::star::task::PasswordRequestMode_PASSWORD_REENTER;
|
|
using ::com::sun::star::task::XInteractionHandler;
|
|
using ::com::sun::star::task::XInteractionRequest;
|
|
|
|
namespace comphelper {
|
|
|
|
// ============================================================================
|
|
|
|
IDocPasswordVerifier::~IDocPasswordVerifier()
|
|
{
|
|
}
|
|
|
|
// ============================================================================
|
|
sal_uInt16 DocPasswordHelper::GetXLHashAsUINT16(
|
|
const ::rtl::OUString& aUString,
|
|
rtl_TextEncoding nEnc )
|
|
{
|
|
sal_uInt16 nResult = 0;
|
|
|
|
::rtl::OString aString = ::rtl::OUStringToOString( aUString, nEnc );
|
|
|
|
if ( aString.getLength() && aString.getLength() <= SAL_MAX_UINT16 )
|
|
{
|
|
for ( sal_Int32 nInd = aString.getLength() - 1; nInd >= 0; nInd-- )
|
|
{
|
|
nResult = ( ( nResult >> 14 ) & 0x01 ) | ( ( nResult << 1 ) & 0x7FFF );
|
|
nResult ^= aString.getStr()[nInd];
|
|
}
|
|
|
|
nResult = ( ( nResult >> 14 ) & 0x01 ) | ( ( nResult << 1 ) & 0x7FFF );
|
|
nResult ^= ( 0x8000 | ( 'N' << 8 ) | 'K' );
|
|
nResult ^= aString.getLength();
|
|
}
|
|
|
|
return nResult;
|
|
}
|
|
|
|
// ============================================================================
|
|
Sequence< sal_Int8 > DocPasswordHelper::GetXLHashAsSequence(
|
|
const ::rtl::OUString& aUString,
|
|
rtl_TextEncoding nEnc )
|
|
{
|
|
sal_uInt16 nHash = GetXLHashAsUINT16( aUString, nEnc );
|
|
Sequence< sal_Int8 > aResult( 2 );
|
|
aResult[0] = ( nHash >> 8 );
|
|
aResult[1] = ( nHash & 0xFF );
|
|
|
|
return aResult;
|
|
}
|
|
|
|
// ============================================================================
|
|
|
|
/*static*/ OUString DocPasswordHelper::requestAndVerifyDocPassword(
|
|
IDocPasswordVerifier& rVerifier,
|
|
const OUString& rMediaPassword,
|
|
const Reference< XInteractionHandler >& rxInteractHandler,
|
|
const OUString& rDocumentName,
|
|
DocPasswordRequestType eRequestType,
|
|
const ::std::vector< OUString >* pDefaultPasswords,
|
|
bool* pbIsDefaultPassword )
|
|
{
|
|
OUString aPassword;
|
|
DocPasswordVerifierResult eResult = DocPasswordVerifierResult_WRONG_PASSWORD;
|
|
|
|
// first, try provided default passwords
|
|
if( pbIsDefaultPassword )
|
|
*pbIsDefaultPassword = false;
|
|
if( pDefaultPasswords )
|
|
{
|
|
for( ::std::vector< OUString >::const_iterator aIt = pDefaultPasswords->begin(), aEnd = pDefaultPasswords->end(); (eResult == DocPasswordVerifierResult_WRONG_PASSWORD) && (aIt != aEnd); ++aIt )
|
|
{
|
|
aPassword = *aIt;
|
|
OSL_ENSURE( aPassword.getLength() > 0, "DocPasswordHelper::requestAndVerifyDocPassword - unexpected empty default password" );
|
|
if( aPassword.getLength() > 0 )
|
|
{
|
|
eResult = rVerifier.verifyPassword( aPassword );
|
|
if( pbIsDefaultPassword )
|
|
*pbIsDefaultPassword = eResult == DocPasswordVerifierResult_OK;
|
|
}
|
|
}
|
|
}
|
|
|
|
// try media password (skip, if result is OK or ABORT)
|
|
if( eResult == DocPasswordVerifierResult_WRONG_PASSWORD )
|
|
{
|
|
aPassword = rMediaPassword;
|
|
if( aPassword.getLength() > 0 )
|
|
eResult = rVerifier.verifyPassword( aPassword );
|
|
}
|
|
|
|
// request a password (skip, if result is OK or ABORT)
|
|
if( (eResult == DocPasswordVerifierResult_WRONG_PASSWORD) && rxInteractHandler.is() ) try
|
|
{
|
|
PasswordRequestMode eRequestMode = PasswordRequestMode_PASSWORD_ENTER;
|
|
while( eResult == DocPasswordVerifierResult_WRONG_PASSWORD )
|
|
{
|
|
DocPasswordRequest* pRequest = new DocPasswordRequest( eRequestType, eRequestMode, rDocumentName );
|
|
Reference< XInteractionRequest > xRequest( pRequest );
|
|
rxInteractHandler->handle( xRequest );
|
|
if( pRequest->isPassword() )
|
|
{
|
|
aPassword = pRequest->getPassword();
|
|
if( aPassword.getLength() > 0 )
|
|
eResult = rVerifier.verifyPassword( aPassword );
|
|
}
|
|
else
|
|
{
|
|
eResult = DocPasswordVerifierResult_ABORT;
|
|
}
|
|
eRequestMode = PasswordRequestMode_PASSWORD_REENTER;
|
|
}
|
|
}
|
|
catch( Exception& )
|
|
{
|
|
}
|
|
|
|
return (eResult == DocPasswordVerifierResult_OK) ? aPassword : OUString();
|
|
}
|
|
|
|
/*static*/ OUString DocPasswordHelper::requestAndVerifyDocPassword(
|
|
IDocPasswordVerifier& rVerifier,
|
|
MediaDescriptor& rMediaDesc,
|
|
DocPasswordRequestType eRequestType,
|
|
const ::std::vector< OUString >* pDefaultPasswords )
|
|
{
|
|
OUString aMediaPassword = rMediaDesc.getUnpackedValueOrDefault(
|
|
MediaDescriptor::PROP_PASSWORD(), OUString() );
|
|
Reference< XInteractionHandler > xInteractHandler = rMediaDesc.getUnpackedValueOrDefault(
|
|
MediaDescriptor::PROP_INTERACTIONHANDLER(), Reference< XInteractionHandler >() );
|
|
OUString aDocumentName = rMediaDesc.getUnpackedValueOrDefault(
|
|
MediaDescriptor::PROP_URL(), OUString() );
|
|
|
|
bool bIsDefaultPassword = false;
|
|
OUString aPassword = requestAndVerifyDocPassword(
|
|
rVerifier, aMediaPassword, xInteractHandler, aDocumentName, eRequestType, pDefaultPasswords, &bIsDefaultPassword );
|
|
|
|
// insert valid password into media descriptor (but not a default password)
|
|
if( (aPassword.getLength() > 0) && !bIsDefaultPassword )
|
|
rMediaDesc[ MediaDescriptor::PROP_PASSWORD() ] <<= aPassword;
|
|
|
|
return aPassword;
|
|
}
|
|
|
|
// ============================================================================
|
|
|
|
} // namespace comphelper
|
|
|