forked from amazingfate/loongoffice
1dedb15b17
Also create an NSSInitializer service IDL and split it's interfaces out from SEInitializer. It looks like this was the intention all along, but someone took a shortcut. Change-Id: I53ac1cb5d38b78b6718fe22c9666eae1f194a3b7
489 lines
17 KiB
C++
489 lines
17 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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#include <com/sun/star/packages/zip/ZipConstants.hpp>
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#include <com/sun/star/io/XOutputStream.hpp>
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#include <comphelper/storagehelper.hxx>
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#include <osl/time.h>
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#include <EncryptionData.hxx>
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#include <PackageConstants.hxx>
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#include <ZipEntry.hxx>
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#include <ZipFile.hxx>
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#include <ZipPackageStream.hxx>
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#include <ZipOutputStream.hxx>
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using namespace com::sun::star;
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using namespace com::sun::star::io;
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using namespace com::sun::star::uno;
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using namespace com::sun::star::packages;
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using namespace com::sun::star::packages::zip;
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using namespace com::sun::star::packages::zip::ZipConstants;
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/** This class is used to write Zip files
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*/
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ZipOutputStream::ZipOutputStream( const uno::Reference< uno::XComponentContext >& rxContext,
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const uno::Reference < XOutputStream > &xOStream )
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: m_xContext( rxContext )
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, xStream(xOStream)
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, m_aDeflateBuffer(n_ConstBufferSize)
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, aDeflater(DEFAULT_COMPRESSION, sal_True)
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, aChucker(xOStream)
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, pCurrentEntry(NULL)
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, nMethod(DEFLATED)
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, bFinished(sal_False)
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, bEncryptCurrentEntry(sal_False)
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, m_pCurrentStream(NULL)
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{
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}
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ZipOutputStream::~ZipOutputStream( void )
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{
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for (sal_Int32 i = 0, nEnd = aZipList.size(); i < nEnd; i++)
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delete aZipList[i];
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}
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void SAL_CALL ZipOutputStream::setMethod( sal_Int32 nNewMethod )
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throw(RuntimeException)
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{
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nMethod = static_cast < sal_Int16 > (nNewMethod);
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}
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void SAL_CALL ZipOutputStream::setLevel( sal_Int32 nNewLevel )
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throw(RuntimeException)
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{
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aDeflater.setLevel( nNewLevel);
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}
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void SAL_CALL ZipOutputStream::putNextEntry( ZipEntry& rEntry,
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ZipPackageStream* pStream,
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sal_Bool bEncrypt)
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throw(IOException, RuntimeException)
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{
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if (pCurrentEntry != NULL)
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closeEntry();
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if (rEntry.nTime == -1)
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rEntry.nTime = getCurrentDosTime();
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if (rEntry.nMethod == -1)
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rEntry.nMethod = nMethod;
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rEntry.nVersion = 20;
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rEntry.nFlag = 1 << 11;
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if (rEntry.nSize == -1 || rEntry.nCompressedSize == -1 ||
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rEntry.nCrc == -1)
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{
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rEntry.nSize = rEntry.nCompressedSize = 0;
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rEntry.nFlag |= 8;
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}
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if (bEncrypt)
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{
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bEncryptCurrentEntry = sal_True;
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m_xCipherContext = ZipFile::StaticGetCipher( m_xContext, pStream->GetEncryptionData(), true );
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m_xDigestContext = ZipFile::StaticGetDigestContextForChecksum( m_xContext, pStream->GetEncryptionData() );
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mnDigested = 0;
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rEntry.nFlag |= 1 << 4;
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m_pCurrentStream = pStream;
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}
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sal_Int32 nLOCLength = writeLOC(rEntry);
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rEntry.nOffset = aChucker.GetPosition() - nLOCLength;
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aZipList.push_back( &rEntry );
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pCurrentEntry = &rEntry;
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}
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void SAL_CALL ZipOutputStream::closeEntry( )
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throw(IOException, RuntimeException)
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{
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ZipEntry *pEntry = pCurrentEntry;
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if (pEntry)
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{
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switch (pEntry->nMethod)
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{
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case DEFLATED:
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aDeflater.finish();
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while (!aDeflater.finished())
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doDeflate();
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if ((pEntry->nFlag & 8) == 0)
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{
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if (pEntry->nSize != aDeflater.getTotalIn())
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{
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OSL_FAIL("Invalid entry size");
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}
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if (pEntry->nCompressedSize != aDeflater.getTotalOut())
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{
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// Different compression strategies make the merit of this
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// test somewhat dubious
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pEntry->nCompressedSize = aDeflater.getTotalOut();
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}
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if (pEntry->nCrc != aCRC.getValue())
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{
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OSL_FAIL("Invalid entry CRC-32");
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}
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}
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else
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{
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if ( !bEncryptCurrentEntry )
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{
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pEntry->nSize = aDeflater.getTotalIn();
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pEntry->nCompressedSize = aDeflater.getTotalOut();
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}
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pEntry->nCrc = aCRC.getValue();
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writeEXT(*pEntry);
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}
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aDeflater.reset();
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aCRC.reset();
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break;
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case STORED:
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if (!((pEntry->nFlag & 8) == 0))
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OSL_FAIL( "Serious error, one of compressed size, size or CRC was -1 in a STORED stream");
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break;
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default:
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OSL_FAIL("Invalid compression method");
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break;
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}
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if (bEncryptCurrentEntry)
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{
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bEncryptCurrentEntry = sal_False;
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m_xCipherContext.clear();
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uno::Sequence< sal_Int8 > aDigestSeq;
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if ( m_xDigestContext.is() )
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{
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aDigestSeq = m_xDigestContext->finalizeDigestAndDispose();
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m_xDigestContext.clear();
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}
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if ( m_pCurrentStream )
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m_pCurrentStream->setDigest( aDigestSeq );
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}
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pCurrentEntry = NULL;
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m_pCurrentStream = NULL;
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}
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}
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void SAL_CALL ZipOutputStream::write( const Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength )
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throw(IOException, RuntimeException)
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{
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switch (pCurrentEntry->nMethod)
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{
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case DEFLATED:
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if (!aDeflater.finished())
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{
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aDeflater.setInputSegment(rBuffer, nNewOffset, nNewLength);
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while (!aDeflater.needsInput())
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doDeflate();
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if (!bEncryptCurrentEntry)
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aCRC.updateSegment(rBuffer, nNewOffset, nNewLength);
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}
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break;
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case STORED:
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{
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Sequence < sal_Int8 > aTmpBuffer ( rBuffer.getConstArray(), nNewLength );
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aChucker.WriteBytes( aTmpBuffer );
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}
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break;
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}
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}
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void SAL_CALL ZipOutputStream::rawWrite( Sequence< sal_Int8 >& rBuffer, sal_Int32 /*nNewOffset*/, sal_Int32 nNewLength )
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throw(IOException, RuntimeException)
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{
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Sequence < sal_Int8 > aTmpBuffer ( rBuffer.getConstArray(), nNewLength );
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aChucker.WriteBytes( aTmpBuffer );
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}
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void SAL_CALL ZipOutputStream::rawCloseEntry( )
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throw(IOException, RuntimeException)
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{
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if ( pCurrentEntry->nMethod == DEFLATED && ( pCurrentEntry->nFlag & 8 ) )
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writeEXT(*pCurrentEntry);
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pCurrentEntry = NULL;
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}
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void SAL_CALL ZipOutputStream::finish( )
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throw(IOException, RuntimeException)
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{
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if (bFinished)
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return;
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if (pCurrentEntry != NULL)
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closeEntry();
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if (aZipList.size() < 1)
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OSL_FAIL("Zip file must have at least one entry!\n");
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sal_Int32 nOffset= static_cast < sal_Int32 > (aChucker.GetPosition());
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for (sal_Int32 i =0, nEnd = aZipList.size(); i < nEnd; i++)
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writeCEN( *aZipList[i] );
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writeEND( nOffset, static_cast < sal_Int32 > (aChucker.GetPosition()) - nOffset);
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bFinished = sal_True;
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xStream->flush();
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}
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void ZipOutputStream::doDeflate()
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{
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sal_Int32 nLength = aDeflater.doDeflateSegment(m_aDeflateBuffer, 0, m_aDeflateBuffer.getLength());
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if ( nLength > 0 )
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{
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uno::Sequence< sal_Int8 > aTmpBuffer( m_aDeflateBuffer.getConstArray(), nLength );
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if ( bEncryptCurrentEntry && m_xDigestContext.is() && m_xCipherContext.is() )
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{
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// Need to update our digest before encryption...
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sal_Int32 nDiff = n_ConstDigestLength - mnDigested;
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if ( nDiff )
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{
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sal_Int32 nEat = ::std::min( nLength, nDiff );
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uno::Sequence< sal_Int8 > aTmpSeq( aTmpBuffer.getConstArray(), nEat );
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m_xDigestContext->updateDigest( aTmpSeq );
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mnDigested = mnDigested + static_cast< sal_Int16 >( nEat );
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}
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// FIXME64: uno::Sequence not 64bit safe.
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uno::Sequence< sal_Int8 > aEncryptionBuffer = m_xCipherContext->convertWithCipherContext( aTmpBuffer );
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aChucker.WriteBytes( aEncryptionBuffer );
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// the sizes as well as checksum for encrypted streams is calculated here
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pCurrentEntry->nCompressedSize += aEncryptionBuffer.getLength();
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pCurrentEntry->nSize = pCurrentEntry->nCompressedSize;
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aCRC.update( aEncryptionBuffer );
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}
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else
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{
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aChucker.WriteBytes ( aTmpBuffer );
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}
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}
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if ( aDeflater.finished() && bEncryptCurrentEntry && m_xDigestContext.is() && m_xCipherContext.is() )
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{
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// FIXME64: sequence not 64bit safe.
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uno::Sequence< sal_Int8 > aEncryptionBuffer = m_xCipherContext->finalizeCipherContextAndDispose();
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if ( aEncryptionBuffer.getLength() )
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{
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aChucker.WriteBytes( aEncryptionBuffer );
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// the sizes as well as checksum for encrypted streams is calculated hier
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pCurrentEntry->nCompressedSize += aEncryptionBuffer.getLength();
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pCurrentEntry->nSize = pCurrentEntry->nCompressedSize;
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aCRC.update( aEncryptionBuffer );
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}
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}
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}
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void ZipOutputStream::writeEND(sal_uInt32 nOffset, sal_uInt32 nLength)
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throw(IOException, RuntimeException)
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{
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aChucker << ENDSIG;
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aChucker << static_cast < sal_Int16 > ( 0 );
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aChucker << static_cast < sal_Int16 > ( 0 );
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aChucker << static_cast < sal_Int16 > ( aZipList.size() );
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aChucker << static_cast < sal_Int16 > ( aZipList.size() );
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aChucker << nLength;
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aChucker << nOffset;
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aChucker << static_cast < sal_Int16 > ( 0 );
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}
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static sal_uInt32 getTruncated( sal_Int64 nNum, bool *pIsTruncated )
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{
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if( nNum >= 0xffffffff )
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{
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*pIsTruncated = true;
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return 0xffffffff;
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}
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else
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return static_cast< sal_uInt32 >( nNum );
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}
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void ZipOutputStream::writeCEN( const ZipEntry &rEntry )
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throw(IOException, RuntimeException)
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{
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if ( !::comphelper::OStorageHelper::IsValidZipEntryFileName( rEntry.sPath, sal_True ) )
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throw IOException("Unexpected character is used in file name.", uno::Reference< XInterface >() );
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::rtl::OString sUTF8Name = ::rtl::OUStringToOString( rEntry.sPath, RTL_TEXTENCODING_UTF8 );
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sal_Int16 nNameLength = static_cast < sal_Int16 > ( sUTF8Name.getLength() );
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aChucker << CENSIG;
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aChucker << rEntry.nVersion;
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aChucker << rEntry.nVersion;
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if (rEntry.nFlag & (1 << 4) )
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{
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// If it's an encrypted entry, we pretend its stored plain text
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ZipEntry *pEntry = const_cast < ZipEntry * > ( &rEntry );
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pEntry->nFlag &= ~(1 <<4 );
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aChucker << rEntry.nFlag;
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aChucker << static_cast < sal_Int16 > ( STORED );
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}
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else
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{
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aChucker << rEntry.nFlag;
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aChucker << rEntry.nMethod;
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}
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bool bWrite64Header = false;
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aChucker << static_cast < sal_uInt32> ( rEntry.nTime );
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aChucker << static_cast < sal_uInt32> ( rEntry.nCrc );
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aChucker << getTruncated( rEntry.nCompressedSize, &bWrite64Header );
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aChucker << getTruncated( rEntry.nSize, &bWrite64Header );
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aChucker << nNameLength;
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aChucker << static_cast < sal_Int16> (0);
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aChucker << static_cast < sal_Int16> (0);
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aChucker << static_cast < sal_Int16> (0);
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aChucker << static_cast < sal_Int16> (0);
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aChucker << static_cast < sal_Int32> (0);
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aChucker << getTruncated( rEntry.nOffset, &bWrite64Header );
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if( bWrite64Header )
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{
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// FIXME64: need to append a ZIP64 header instead of throwing
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// We're about to silently loose people's data - which they are
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// unlikely to appreciate so fail instead:
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throw IOException( "File contains streams that are too large.",
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uno::Reference< XInterface >() );
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}
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Sequence < sal_Int8 > aSequence( (sal_Int8*)sUTF8Name.getStr(), sUTF8Name.getLength() );
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aChucker.WriteBytes( aSequence );
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}
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void ZipOutputStream::writeEXT( const ZipEntry &rEntry )
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throw(IOException, RuntimeException)
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{
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bool bWrite64Header = false;
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aChucker << EXTSIG;
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aChucker << static_cast < sal_uInt32> ( rEntry.nCrc );
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aChucker << getTruncated( rEntry.nCompressedSize, &bWrite64Header );
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aChucker << getTruncated( rEntry.nSize, &bWrite64Header );
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if( bWrite64Header )
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{
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// FIXME64: need to append a ZIP64 header instead of throwing
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// We're about to silently loose people's data - which they are
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// unlikely to appreciate so fail instead:
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throw IOException( "File contains streams that are too large.",
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uno::Reference< XInterface >() );
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}
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}
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sal_Int32 ZipOutputStream::writeLOC( const ZipEntry &rEntry )
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throw(IOException, RuntimeException)
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{
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if ( !::comphelper::OStorageHelper::IsValidZipEntryFileName( rEntry.sPath, sal_True ) )
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throw IOException("Unexpected character is used in file name.", uno::Reference< XInterface >() );
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::rtl::OString sUTF8Name = ::rtl::OUStringToOString( rEntry.sPath, RTL_TEXTENCODING_UTF8 );
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sal_Int16 nNameLength = static_cast < sal_Int16 > ( sUTF8Name.getLength() );
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aChucker << LOCSIG;
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aChucker << rEntry.nVersion;
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if (rEntry.nFlag & (1 << 4) )
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{
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// If it's an encrypted entry, we pretend its stored plain text
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sal_Int16 nTmpFlag = rEntry.nFlag;
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nTmpFlag &= ~(1 <<4 );
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aChucker << nTmpFlag;
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aChucker << static_cast < sal_Int16 > ( STORED );
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}
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else
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{
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aChucker << rEntry.nFlag;
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aChucker << rEntry.nMethod;
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}
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bool bWrite64Header = false;
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aChucker << static_cast < sal_uInt32 > (rEntry.nTime);
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if ((rEntry.nFlag & 8) == 8 )
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{
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aChucker << static_cast < sal_Int32 > (0);
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aChucker << static_cast < sal_Int32 > (0);
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aChucker << static_cast < sal_Int32 > (0);
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}
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else
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{
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aChucker << static_cast < sal_uInt32 > (rEntry.nCrc);
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aChucker << getTruncated( rEntry.nCompressedSize, &bWrite64Header );
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aChucker << getTruncated( rEntry.nSize, &bWrite64Header );
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}
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aChucker << nNameLength;
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aChucker << static_cast < sal_Int16 > (0);
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if( bWrite64Header )
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{
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// FIXME64: need to append a ZIP64 header instead of throwing
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// We're about to silently loose people's data - which they are
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// unlikely to appreciate so fail instead:
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throw IOException( "File contains streams that are too large.",
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uno::Reference< XInterface >() );
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}
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Sequence < sal_Int8 > aSequence( (sal_Int8*)sUTF8Name.getStr(), sUTF8Name.getLength() );
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aChucker.WriteBytes( aSequence );
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return LOCHDR + nNameLength;
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}
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sal_uInt32 ZipOutputStream::getCurrentDosTime( )
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{
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oslDateTime aDateTime;
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TimeValue aTimeValue;
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osl_getSystemTime ( &aTimeValue );
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osl_getDateTimeFromTimeValue( &aTimeValue, &aDateTime);
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sal_uInt32 nYear = static_cast <sal_uInt32> (aDateTime.Year);
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if (nYear>1980)
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nYear-=1980;
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else if (nYear>80)
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nYear-=80;
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sal_uInt32 nResult = static_cast < sal_uInt32>( ( ( ( aDateTime.Day) +
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( 32 * (aDateTime.Month)) +
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( 512 * nYear ) ) << 16) |
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( ( aDateTime.Seconds/2) +
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( 32 * aDateTime.Minutes) +
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( 2048 * static_cast <sal_uInt32 > (aDateTime.Hours) ) ) );
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return nResult;
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}
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/*
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This is actually never used, so I removed it, but thought that the
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implementation details may be useful in the future...mtg 20010307
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I stopped using the time library and used the OSL version instead, but
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it might still be useful to have this code here..
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void ZipOutputStream::dosDateToTMDate ( tm &rTime, sal_uInt32 nDosDate)
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{
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sal_uInt32 nDate = static_cast < sal_uInt32 > (nDosDate >> 16);
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rTime.tm_mday = static_cast < sal_uInt32 > ( nDate & 0x1F);
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rTime.tm_mon = static_cast < sal_uInt32 > ( ( ( (nDate) & 0x1E0)/0x20)-1);
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rTime.tm_year = static_cast < sal_uInt32 > ( ( (nDate & 0x0FE00)/0x0200)+1980);
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rTime.tm_hour = static_cast < sal_uInt32 > ( (nDosDate & 0xF800)/0x800);
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rTime.tm_min = static_cast < sal_uInt32 > ( (nDosDate & 0x7E0)/0x20);
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rTime.tm_sec = static_cast < sal_uInt32 > ( 2 * (nDosDate & 0x1F) );
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}
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*/
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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