9b0198b244
Prepare for a ZIP64 implementation. Audit all "Size" property fetches through Anys. Audit all uses of nSize, nCompressedSize, nOffset through the code. Add FIXME64: comments to all points requiring future work.
208 lines
9.6 KiB
C++
208 lines
9.6 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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#ifndef _ZIP_FILE_HXX
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#define _ZIP_FILE_HXX
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#include <com/sun/star/packages/zip/ZipException.hpp>
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#include <com/sun/star/packages/zip/ZipIOException.hpp>
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#include <com/sun/star/packages/NoEncryptionException.hpp>
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#include <com/sun/star/packages/WrongPasswordException.hpp>
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#include <com/sun/star/xml/crypto/XCipherContext.hpp>
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#include <com/sun/star/xml/crypto/XDigestContext.hpp>
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#include <package/Inflater.hxx>
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#include <ByteGrabber.hxx>
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#include <HashMaps.hxx>
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#include <EncryptionData.hxx>
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#include <mutexholder.hxx>
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namespace com { namespace sun { namespace star {
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namespace lang { class XMultiServiceFactory; }
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namespace ucb { class XProgressHandler; }
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} } }
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namespace rtl
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{
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template < class T > class Reference;
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}
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/*
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* We impose arbitrary but reasonable limit on ZIP files.
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*/
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#define ZIP_MAXNAMELEN 512
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#define ZIP_MAXEXTRA 256
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#define ZIP_MAXENTRIES (0x10000 - 2)
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class ZipEnumeration;
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class ZipFile
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{
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protected:
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::osl::Mutex m_aMutex;
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::rtl::OUString sComment; /* zip file comment */
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EntryHash aEntries;
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ByteGrabber aGrabber;
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ZipUtils::Inflater aInflater;
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com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xStream;
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com::sun::star::uno::Reference < com::sun::star::io::XSeekable > xSeek;
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const ::com::sun::star::uno::Reference < com::sun::star::lang::XMultiServiceFactory > m_xFactory;
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::com::sun::star::uno::Reference < ::com::sun::star::ucb::XProgressHandler > xProgressHandler;
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sal_Bool bRecoveryMode;
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com::sun::star::uno::Reference < com::sun::star::io::XInputStream > createMemoryStream(
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ZipEntry & rEntry,
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const ::rtl::Reference < EncryptionData > &rData,
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sal_Bool bRawStream,
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sal_Bool bDecrypt );
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com::sun::star::uno::Reference < com::sun::star::io::XInputStream > createFileStream(
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ZipEntry & rEntry,
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const ::rtl::Reference < EncryptionData > &rData,
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sal_Bool bRawStream,
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sal_Bool bDecrypt );
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// aMediaType parameter is used only for raw stream header creation
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com::sun::star::uno::Reference < com::sun::star::io::XInputStream > createUnbufferedStream(
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SotMutexHolderRef aMutexHolder,
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ZipEntry & rEntry,
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const ::rtl::Reference < EncryptionData > &rData,
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sal_Int8 nStreamMode,
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sal_Bool bDecrypt,
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::rtl::OUString aMediaType = ::rtl::OUString() );
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sal_Bool hasValidPassword ( ZipEntry & rEntry, const rtl::Reference < EncryptionData > &rData );
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sal_Bool checkSizeAndCRC( const ZipEntry& aEntry );
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sal_Int32 getCRC( sal_Int64 nOffset, sal_Int64 nSize );
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void getSizeAndCRC( sal_Int64 nOffset, sal_Int64 nCompressedSize, sal_Int64 *nSize, sal_Int32 *nCRC );
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public:
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ZipFile( com::sun::star::uno::Reference < com::sun::star::io::XInputStream > &xInput,
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const com::sun::star::uno::Reference < com::sun::star::lang::XMultiServiceFactory > &xNewFactory,
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sal_Bool bInitialise
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)
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throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
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ZipFile( com::sun::star::uno::Reference < com::sun::star::io::XInputStream > &xInput,
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const com::sun::star::uno::Reference < com::sun::star::lang::XMultiServiceFactory > &xNewFactory,
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sal_Bool bInitialise,
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sal_Bool bForceRecover,
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::com::sun::star::uno::Reference < ::com::sun::star::ucb::XProgressHandler > xProgress
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)
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throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
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~ZipFile();
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EntryHash& GetEntryHash() { return aEntries; }
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void setInputStream ( com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xNewStream );
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::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getRawData(
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ZipEntry& rEntry,
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const ::rtl::Reference < EncryptionData > &rData,
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sal_Bool bDecrypt,
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SotMutexHolderRef aMutexHolder )
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throw(::com::sun::star::io::IOException, ::com::sun::star::packages::zip::ZipException, ::com::sun::star::uno::RuntimeException);
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static ::com::sun::star::uno::Reference< ::com::sun::star::xml::crypto::XDigestContext > StaticGetDigestContextForChecksum(
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const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xArgFactory,
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const ::rtl::Reference< EncryptionData >& xEncryptionData );
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static ::com::sun::star::uno::Reference< ::com::sun::star::xml::crypto::XCipherContext > StaticGetCipher(
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const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xArgFactory,
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const ::rtl::Reference< EncryptionData >& xEncryptionData,
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bool bEncrypt );
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static void StaticFillHeader ( const ::rtl::Reference < EncryptionData > & rData,
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sal_Int64 nSize,
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const ::rtl::OUString& aMediaType,
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sal_Int8 * & pHeader );
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static sal_Bool StaticFillData ( ::rtl::Reference < BaseEncryptionData > & rData,
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sal_Int32 &rEncAlgorithm,
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sal_Int32 &rChecksumAlgorithm,
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sal_Int32 &rDerivedKeySize,
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sal_Int32 &rStartKeyGenID,
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sal_Int32 &rSize,
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::rtl::OUString& aMediaType,
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const ::com::sun::star::uno::Reference < com::sun::star::io::XInputStream >& rStream );
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static ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > StaticGetDataFromRawStream(
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const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xFactory,
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const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& xStream,
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const ::rtl::Reference < EncryptionData > &rData )
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throw ( ::com::sun::star::packages::WrongPasswordException,
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::com::sun::star::packages::zip::ZipIOException,
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::com::sun::star::uno::RuntimeException );
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static sal_Bool StaticHasValidPassword (
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const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xFactory,
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const ::com::sun::star::uno::Sequence< sal_Int8 > &aReadBuffer,
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const ::rtl::Reference < EncryptionData > &rData );
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::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getInputStream(
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ZipEntry& rEntry,
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const ::rtl::Reference < EncryptionData > &rData,
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sal_Bool bDecrypt,
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SotMutexHolderRef aMutexHolder )
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throw(::com::sun::star::io::IOException, ::com::sun::star::packages::zip::ZipException, ::com::sun::star::uno::RuntimeException);
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::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getDataStream(
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ZipEntry& rEntry,
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const ::rtl::Reference < EncryptionData > &rData,
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sal_Bool bDecrypt,
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SotMutexHolderRef aMutexHolder )
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throw ( ::com::sun::star::packages::WrongPasswordException,
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::com::sun::star::io::IOException,
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::com::sun::star::packages::zip::ZipException,
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::com::sun::star::uno::RuntimeException );
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::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getWrappedRawStream(
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ZipEntry& rEntry,
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const ::rtl::Reference < EncryptionData > &rData,
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const ::rtl::OUString& aMediaType,
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SotMutexHolderRef aMutexHolder )
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throw ( ::com::sun::star::packages::NoEncryptionException,
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::com::sun::star::io::IOException,
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::com::sun::star::packages::zip::ZipException,
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::com::sun::star::uno::RuntimeException );
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ZipEnumeration * SAL_CALL entries( );
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protected:
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sal_Bool readLOC ( ZipEntry &rEntry)
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throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
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sal_Int32 readCEN()
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throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
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sal_Int32 findEND()
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throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
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sal_Int32 recover()
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throw(::com::sun::star::io::IOException, com::sun::star::packages::zip::ZipException, com::sun::star::uno::RuntimeException);
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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