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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 .
*/
#ifndef _ZIP_FILE_HXX
#define _ZIP_FILE_HXX
#include <com/sun/star/packages/zip/ZipException.hpp>
#include <com/sun/star/packages/zip/ZipIOException.hpp>
#include <com/sun/star/packages/NoEncryptionException.hpp>
#include <com/sun/star/packages/WrongPasswordException.hpp>
#include <com/sun/star/xml/crypto/XCipherContext.hpp>
#include <com/sun/star/xml/crypto/XDigestContext.hpp>
#include <package/Inflater.hxx>
#include <ByteGrabber.hxx>
#include <HashMaps.hxx>
#include <EncryptionData.hxx>
#include <mutexholder.hxx>
namespace com { namespace sun { namespace star {
namespace uno { class XComponentContext; }
namespace ucb { class XProgressHandler; }
} } }
namespace rtl
{
template < class T > class Reference;
}
/*
* We impose arbitrary but reasonable limit on ZIP files.
*/
#define ZIP_MAXNAMELEN 512
#define ZIP_MAXEXTRA 256
#define ZIP_MAXENTRIES (0x10000 - 2)
class ZipEnumeration;
class ZipFile
{
protected:
::osl::Mutex m_aMutex;
OUString sComment; /* zip file comment */
EntryHash aEntries;
ByteGrabber aGrabber;
ZipUtils::Inflater aInflater;
com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xStream;
com::sun::star::uno::Reference < com::sun::star::io::XSeekable > xSeek;
const ::com::sun::star::uno::Reference < com::sun::star::uno::XComponentContext > m_xContext;
::com::sun::star::uno::Reference < ::com::sun::star::ucb::XProgressHandler > xProgressHandler;
sal_Bool bRecoveryMode;
com::sun::star::uno::Reference < com::sun::star::io::XInputStream > createMemoryStream(
ZipEntry & rEntry,
const ::rtl::Reference < EncryptionData > &rData,
sal_Bool bRawStream,
sal_Bool bDecrypt );
com::sun::star::uno::Reference < com::sun::star::io::XInputStream > createFileStream(
ZipEntry & rEntry,
const ::rtl::Reference < EncryptionData > &rData,
sal_Bool bRawStream,
sal_Bool bDecrypt );
// aMediaType parameter is used only for raw stream header creation
com::sun::star::uno::Reference < com::sun::star::io::XInputStream > createUnbufferedStream(
SotMutexHolderRef aMutexHolder,
ZipEntry & rEntry,
const ::rtl::Reference < EncryptionData > &rData,
sal_Int8 nStreamMode,
sal_Bool bDecrypt,
const OUString& aMediaType = OUString() );
sal_Bool hasValidPassword ( ZipEntry & rEntry, const rtl::Reference < EncryptionData > &rData );
sal_Bool checkSizeAndCRC( const ZipEntry& aEntry );
sal_Int32 getCRC( sal_Int64 nOffset, sal_Int64 nSize );
void getSizeAndCRC( sal_Int64 nOffset, sal_Int64 nCompressedSize, sal_Int64 *nSize, sal_Int32 *nCRC );
public:
ZipFile( com::sun::star::uno::Reference < com::sun::star::io::XInputStream > &xInput,
const com::sun::star::uno::Reference < com::sun::star::uno::XComponentContext > &rxContext,
sal_Bool bInitialise
)
throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
ZipFile( com::sun::star::uno::Reference < com::sun::star::io::XInputStream > &xInput,
const com::sun::star::uno::Reference < com::sun::star::uno::XComponentContext > &rxContext,
sal_Bool bInitialise,
sal_Bool bForceRecover,
::com::sun::star::uno::Reference < ::com::sun::star::ucb::XProgressHandler > xProgress
)
throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
~ZipFile();
EntryHash& GetEntryHash() { return aEntries; }
void setInputStream ( com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xNewStream );
::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getRawData(
ZipEntry& rEntry,
const ::rtl::Reference < EncryptionData > &rData,
sal_Bool bDecrypt,
SotMutexHolderRef aMutexHolder )
throw(::com::sun::star::io::IOException, ::com::sun::star::packages::zip::ZipException, ::com::sun::star::uno::RuntimeException);
static ::com::sun::star::uno::Reference< ::com::sun::star::xml::crypto::XDigestContext > StaticGetDigestContextForChecksum(
const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& xArgContext,
const ::rtl::Reference< EncryptionData >& xEncryptionData );
static ::com::sun::star::uno::Reference< ::com::sun::star::xml::crypto::XCipherContext > StaticGetCipher(
const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& xArgContext,
const ::rtl::Reference< EncryptionData >& xEncryptionData,
bool bEncrypt );
static void StaticFillHeader ( const ::rtl::Reference < EncryptionData > & rData,
sal_Int64 nSize,
const OUString& aMediaType,
sal_Int8 * & pHeader );
static sal_Bool StaticFillData ( ::rtl::Reference < BaseEncryptionData > & rData,
sal_Int32 &rEncAlgorithm,
sal_Int32 &rChecksumAlgorithm,
sal_Int32 &rDerivedKeySize,
sal_Int32 &rStartKeyGenID,
sal_Int32 &rSize,
OUString& aMediaType,
const ::com::sun::star::uno::Reference < com::sun::star::io::XInputStream >& rStream );
static ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > StaticGetDataFromRawStream(
const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext,
const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& xStream,
const ::rtl::Reference < EncryptionData > &rData )
throw ( ::com::sun::star::packages::WrongPasswordException,
::com::sun::star::packages::zip::ZipIOException,
::com::sun::star::uno::RuntimeException );
static sal_Bool StaticHasValidPassword (
const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext,
const ::com::sun::star::uno::Sequence< sal_Int8 > &aReadBuffer,
const ::rtl::Reference < EncryptionData > &rData );
::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getInputStream(
ZipEntry& rEntry,
const ::rtl::Reference < EncryptionData > &rData,
sal_Bool bDecrypt,
SotMutexHolderRef aMutexHolder )
throw(::com::sun::star::io::IOException, ::com::sun::star::packages::zip::ZipException, ::com::sun::star::uno::RuntimeException);
::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getDataStream(
ZipEntry& rEntry,
const ::rtl::Reference < EncryptionData > &rData,
sal_Bool bDecrypt,
SotMutexHolderRef aMutexHolder )
throw ( ::com::sun::star::packages::WrongPasswordException,
::com::sun::star::io::IOException,
::com::sun::star::packages::zip::ZipException,
::com::sun::star::uno::RuntimeException );
::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getWrappedRawStream(
ZipEntry& rEntry,
const ::rtl::Reference < EncryptionData > &rData,
const OUString& aMediaType,
SotMutexHolderRef aMutexHolder )
throw ( ::com::sun::star::packages::NoEncryptionException,
::com::sun::star::io::IOException,
::com::sun::star::packages::zip::ZipException,
::com::sun::star::uno::RuntimeException );
ZipEnumeration * SAL_CALL entries( );
protected:
sal_Bool readLOC ( ZipEntry &rEntry)
throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
sal_Int32 readCEN()
throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
sal_Int32 findEND()
throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
sal_Int32 recover()
throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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