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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 INCLUDED_PACKAGE_SOURCE_XSTOR_OWRITEABLESTREAM_HXX
#define INCLUDED_PACKAGE_SOURCE_XSTOR_OWRITEABLESTREAM_HXX
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/io/XStream.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <com/sun/star/io/XTruncate.hpp>
#include <com/sun/star/packages/XDataSinkEncrSupport.hpp>
#include <com/sun/star/packages/NoEncryptionException.hpp>
#include <com/sun/star/lang/XEventListener.hpp>
#include <com/sun/star/lang/XSingleServiceFactory.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/embed/XEncryptionProtectedSource2.hpp>
#include <com/sun/star/embed/XStorage.hpp>
#include <com/sun/star/embed/XRelationshipAccess.hpp>
#include <com/sun/star/embed/XExtendedStorageStream.hpp>
#include <com/sun/star/embed/XTransactedObject.hpp>
#include <com/sun/star/embed/XTransactionBroadcaster.hpp>
#include <com/sun/star/container/XNameContainer.hpp>
#include <com/sun/star/beans/StringPair.hpp>
#include <cppuhelper/weak.hxx>
#include <cppuhelper/interfacecontainer.h>
#include <comphelper/refcountedmutex.hxx>
#include <comphelper/sequenceashashmap.hxx>
#include <vector>
#include <memory>
#include "ocompinstream.hxx"
namespace com::sun::star::uno {
class XComponentContext;
}
namespace package {
// all data in aHash1 is contained in aHash2
bool PackageEncryptionDataLessOrEqual( const ::comphelper::SequenceAsHashMap& aHash1, const ::comphelper::SequenceAsHashMap& aHash2 );
}
struct WSInternalData_Impl;
typedef ::std::vector< OInputCompStream* > InputStreamsVector_Impl;
struct OStorage_Impl;
class OWriteStream;
struct OWriteStream_Impl
{
rtl::Reference<comphelper::RefCountedMutex> m_xMutex;
friend struct OStorage_Impl;
friend class OWriteStream;
friend class OInputCompStream;
OWriteStream* m_pAntiImpl;
OUString m_aTempURL;
css::uno::Reference< css::io::XStream > m_xCacheStream;
css::uno::Reference< css::io::XSeekable > m_xCacheSeek;
InputStreamsVector_Impl m_aInputStreamsVector;
bool m_bHasDataToFlush; // only modified elements will be sent to the original content
bool m_bFlushed; // sending the streams is coordinated by the root storage of the package
css::uno::Reference< css::packages::XDataSinkEncrSupport > m_xPackageStream;
css::uno::Reference< css::uno::XComponentContext > m_xContext;
OStorage_Impl* m_pParent;
css::uno::Sequence< css::beans::PropertyValue > m_aProps;
bool m_bForceEncrypted;
bool m_bUseCommonEncryption;
bool m_bHasCachedEncryptionData;
::comphelper::SequenceAsHashMap m_aEncryptionData;
bool m_bCompressedSetExplicit;
css::uno::Reference< css::lang::XSingleServiceFactory > m_xPackage;
bool m_bHasInsertedStreamOptimization;
sal_Int32 m_nStorageType;
// Relations info related data, stored in *.rels file in OFOPXML format
css::uno::Reference< css::io::XInputStream > m_xOrigRelInfoStream;
css::uno::Sequence< css::uno::Sequence< css::beans::StringPair > > m_aOrigRelInfo;
bool m_bOrigRelInfoBroken;
css::uno::Sequence< css::uno::Sequence< css::beans::StringPair > > m_aNewRelInfo;
css::uno::Reference< css::io::XInputStream > m_xNewRelInfoStream;
sal_Int16 m_nRelInfoStatus;
sal_Int32 m_nRelId;
private:
OUString const & GetFilledTempFileIfNo( const css::uno::Reference< css::io::XInputStream >& xStream );
OUString const & FillTempGetFileName();
css::uno::Reference< css::io::XStream > GetTempFileAsStream();
css::uno::Reference< css::io::XInputStream > GetTempFileAsInputStream();
css::uno::Reference< css::io::XStream > GetStream_Impl( sal_Int32 nStreamMode,
bool bHierarchyAccess );
/// @throws css::packages::NoEncryptionException
::comphelper::SequenceAsHashMap GetCommonRootEncryptionData();
css::uno::Sequence< css::beans::PropertyValue > ReadPackageStreamProperties();
css::uno::Sequence< css::beans::PropertyValue > InsertOwnProps(
const css::uno::Sequence< css::beans::PropertyValue >& aProps,
bool bUseCommonEncryption );
public:
OWriteStream_Impl(
OStorage_Impl* pParent,
const css::uno::Reference< css::packages::XDataSinkEncrSupport >& xPackageStream,
const css::uno::Reference< css::lang::XSingleServiceFactory >& xPackage,
const css::uno::Reference< css::uno::XComponentContext >& xContext,
bool bForceEncrypted,
sal_Int32 nStorageType,
bool bDefaultCompress,
const css::uno::Reference< css::io::XInputStream >& xRelInfoStream =
css::uno::Reference< css::io::XInputStream >() );
~OWriteStream_Impl();
void CleanCacheStream();
bool UsesCommonEncryption_Impl() { return m_bUseCommonEncryption; }
bool HasTempFile_Impl() const { return ( m_aTempURL.getLength() != 0 ); }
bool IsTransacted();
bool HasWriteOwner_Impl() const { return ( m_pAntiImpl != nullptr ); }
void InsertIntoPackageFolder(
const OUString& aName,
const css::uno::Reference< css::container::XNameContainer >& xParentPackageFolder );
void SetToBeCommited() { m_bFlushed = true; }
bool HasCachedEncryptionData() const { return m_bHasCachedEncryptionData; }
::comphelper::SequenceAsHashMap& GetCachedEncryptionData() { return m_aEncryptionData; }
bool IsModified() const { return m_bHasDataToFlush || m_bFlushed; }
bool IsEncrypted();
void SetDecrypted();
void SetEncrypted( const ::comphelper::SequenceAsHashMap& aEncryptionData );
void DisposeWrappers();
void InsertStreamDirectly(
const css::uno::Reference< css::io::XInputStream >& xInStream,
const css::uno::Sequence< css::beans::PropertyValue >& aProps );
void Commit();
void Revert();
css::uno::Sequence< css::beans::PropertyValue > const & GetStreamProperties();
css::uno::Sequence< css::uno::Sequence< css::beans::StringPair > > GetAllRelationshipsIfAny();
void CopyInternallyTo_Impl( const css::uno::Reference< css::io::XStream >& xDestStream,
const ::comphelper::SequenceAsHashMap& aEncryptionData );
void CopyInternallyTo_Impl( const css::uno::Reference< css::io::XStream >& xDestStream );
css::uno::Reference< css::io::XStream > GetStream(
sal_Int32 nStreamMode,
const ::comphelper::SequenceAsHashMap& aEncryptionData,
bool bHierarchyAccess );
css::uno::Reference< css::io::XStream > GetStream(
sal_Int32 nStreamMode,
bool bHierarchyAccess );
css::uno::Reference< css::io::XInputStream > GetRawInStream();
css::uno::Reference< css::io::XInputStream > GetPlainRawInStream();
void InputStreamDisposed( OInputCompStream* pStream );
void CreateReadonlyCopyBasedOnData(
const css::uno::Reference< css::io::XInputStream >& xDataToCopy,
const css::uno::Sequence< css::beans::PropertyValue >& aProps,
css::uno::Reference< css::io::XStream >& xTargetStream );
void GetCopyOfLastCommit( css::uno::Reference< css::io::XStream >& xTargetStream );
void GetCopyOfLastCommit(
css::uno::Reference< css::io::XStream >& xTargetStream,
const ::comphelper::SequenceAsHashMap& aEncryptionData );
void CommitStreamRelInfo(
const css::uno::Reference< css::embed::XStorage >& xRelStorage,
const OUString& aOrigStreamName,
const OUString& aNewStreamName );
void ReadRelInfoIfNecessary();
sal_Int32 GetNewRelId() { return m_nRelId ++; }
};
class OWriteStream : public css::lang::XTypeProvider
, public css::io::XInputStream
, public css::io::XOutputStream
, public css::embed::XExtendedStorageStream
, public css::io::XSeekable
, public css::io::XTruncate
, public css::embed::XEncryptionProtectedSource2
, public css::embed::XRelationshipAccess
, public css::embed::XTransactedObject
, public css::embed::XTransactionBroadcaster
, public css::beans::XPropertySet
, public ::cppu::OWeakObject
{
friend struct OWriteStream_Impl;
protected:
css::uno::Reference < css::io::XInputStream > m_xInStream;
css::uno::Reference < css::io::XOutputStream > m_xOutStream;
css::uno::Reference < css::io::XSeekable > m_xSeekable;
OWriteStream_Impl* m_pImpl;
std::unique_ptr<WSInternalData_Impl> m_pData;
bool m_bInStreamDisconnected;
bool m_bInitOnDemand;
sal_Int64 m_nInitPosition;
bool m_bTransacted;
OWriteStream( OWriteStream_Impl* pImpl, bool bTransacted );
OWriteStream( OWriteStream_Impl* pImpl, css::uno::Reference< css::io::XStream > const & xStream, bool bTransacted );
void CloseOutput_Impl();
void CopyToStreamInternally_Impl( const css::uno::Reference< css::io::XStream >& xStream );
void ModifyParentUnlockMutex_Impl(osl::ClearableMutexGuard& aGuard);
void BroadcastTransaction( sal_Int8 nMessage );
public:
virtual ~OWriteStream() override;
void CheckInitOnDemand();
void DeInit();
// XInterface
virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type& rType ) override;
virtual void SAL_CALL acquire() throw() override;
virtual void SAL_CALL release() throw() override;
// XTypeProvider
virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() override;
virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId() override;
// XInputStream
virtual sal_Int32 SAL_CALL readBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) override;
virtual sal_Int32 SAL_CALL readSomeBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) override;
virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip ) override;
virtual sal_Int32 SAL_CALL available( ) override;
virtual void SAL_CALL closeInput( ) override;
// XOutputStream
virtual void SAL_CALL writeBytes( const css::uno::Sequence< sal_Int8 >& aData ) override;
virtual void SAL_CALL flush( ) override;
virtual void SAL_CALL closeOutput( ) override;
//XSeekable
virtual void SAL_CALL seek( sal_Int64 location ) override;
virtual sal_Int64 SAL_CALL getPosition() override;
virtual sal_Int64 SAL_CALL getLength() override;
//XStream
virtual css::uno::Reference< css::io::XInputStream > SAL_CALL getInputStream( ) override;
virtual css::uno::Reference< css::io::XOutputStream > SAL_CALL getOutputStream( ) override;
// XTruncate
virtual void SAL_CALL truncate() override;
//XComponent
virtual void SAL_CALL dispose() override;
virtual void SAL_CALL addEventListener( const css::uno::Reference< css::lang::XEventListener >& xListener ) override;
virtual void SAL_CALL removeEventListener( const css::uno::Reference< css::lang::XEventListener >& aListener ) override;
//XEncryptionProtectedSource
virtual void SAL_CALL setEncryptionPassword( const OUString& aPass ) override;
virtual void SAL_CALL removeEncryption() override;
//XEncryptionProtectedSource2
virtual void SAL_CALL setEncryptionData( const css::uno::Sequence< css::beans::NamedValue >& aEncryptionData ) override;
virtual sal_Bool SAL_CALL hasEncryptionData() override;
//XRelationshipAccess
virtual sal_Bool SAL_CALL hasByID( const OUString& sID ) override;
virtual OUString SAL_CALL getTargetByID( const OUString& sID ) override;
virtual OUString SAL_CALL getTypeByID( const OUString& sID ) override;
virtual css::uno::Sequence< css::beans::StringPair > SAL_CALL getRelationshipByID( const OUString& sID ) override;
virtual css::uno::Sequence< css::uno::Sequence< css::beans::StringPair > > SAL_CALL getRelationshipsByType( const OUString& sType ) override;
virtual css::uno::Sequence< css::uno::Sequence< css::beans::StringPair > > SAL_CALL getAllRelationships( ) override;
virtual void SAL_CALL insertRelationshipByID( const OUString& sID, const css::uno::Sequence< css::beans::StringPair >& aEntry, sal_Bool bReplace ) override;
virtual void SAL_CALL removeRelationshipByID( const OUString& sID ) override;
virtual void SAL_CALL insertRelationships( const css::uno::Sequence< css::uno::Sequence< css::beans::StringPair > >& aEntries, sal_Bool bReplace ) override;
virtual void SAL_CALL clearRelationships( ) override;
//XPropertySet
virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL getPropertySetInfo() override;
virtual void SAL_CALL setPropertyValue( const OUString& aPropertyName, const css::uno::Any& aValue ) override;
virtual css::uno::Any SAL_CALL getPropertyValue( const OUString& PropertyName ) override;
virtual void SAL_CALL addPropertyChangeListener( const OUString& aPropertyName, const css::uno::Reference< css::beans::XPropertyChangeListener >& xListener ) override;
virtual void SAL_CALL removePropertyChangeListener( const OUString& aPropertyName, const css::uno::Reference< css::beans::XPropertyChangeListener >& aListener ) override;
virtual void SAL_CALL addVetoableChangeListener( const OUString& PropertyName, const css::uno::Reference< css::beans::XVetoableChangeListener >& aListener ) override;
virtual void SAL_CALL removeVetoableChangeListener( const OUString& PropertyName, const css::uno::Reference< css::beans::XVetoableChangeListener >& aListener ) override;
// XTransactedObject
virtual void SAL_CALL commit() override;
virtual void SAL_CALL revert() override;
// XTransactionBroadcaster
virtual void SAL_CALL addTransactionListener(
const css::uno::Reference< css::embed::XTransactionListener >& aListener ) override;
virtual void SAL_CALL removeTransactionListener(
const css::uno::Reference< css::embed::XTransactionListener >& aListener ) override;
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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