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/*************************************************************************
 *
 * 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.
 *
 ************************************************************************/
#ifndef _ZIP_PACKAGE_STREAM_HXX
#define _ZIP_PACKAGE_STREAM_HXX

#include <com/sun/star/io/XActiveDataSink.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <com/sun/star/packages/XDataSinkEncrSupport.hpp>
#include <ZipPackageEntry.hxx>
#ifndef _VOS_REF_H_
#include <vos/ref.hxx>
#endif
#include <EncryptionData.hxx>
#ifndef _CPPUHELPER_IMPLBASE2_HXX
#include <cppuhelper/implbase2.hxx>
#endif
#include <mutexholder.hxx>

#define PACKAGE_STREAM_NOTSET           0
#define PACKAGE_STREAM_PACKAGEMEMBER    1
#define PACKAGE_STREAM_DETECT           2
#define PACKAGE_STREAM_DATA             3
#define PACKAGE_STREAM_RAW              4

class ZipPackage;
struct ZipEntry;
class ZipPackageStream : public cppu::ImplInheritanceHelper2
<
    ZipPackageEntry,
    ::com::sun::star::io::XActiveDataSink,
    ::com::sun::star::packages::XDataSinkEncrSupport
>
{
protected:
    com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xStream;
    const ::com::sun::star::uno::Reference < com::sun::star::lang::XMultiServiceFactory > m_xFactory;
    ZipPackage          &rZipPackage;
    sal_Bool            bToBeCompressed, bToBeEncrypted, bHaveOwnKey, bIsEncrypted;
    vos::ORef < EncryptionData > xEncryptionData;

    sal_uInt8   m_nStreamMode;
    sal_uInt32  m_nMagicalHackPos;
    sal_uInt32  m_nMagicalHackSize;

    sal_Bool m_bHasSeekable;

    sal_Bool m_bCompressedIsSetFromOutside;

    sal_Bool m_bFromManifest;

    ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& GetOwnSeekStream();

public:
    sal_Bool HasOwnKey () const  { return bHaveOwnKey;}
    sal_Bool IsToBeCompressed () const { return bToBeCompressed;}
    sal_Bool IsToBeEncrypted () const { return bToBeEncrypted;}
    sal_Bool IsEncrypted () const    { return bIsEncrypted;}
    sal_Bool IsPackageMember () const { return m_nStreamMode == PACKAGE_STREAM_PACKAGEMEMBER;}

    sal_Bool IsFromManifest() const { return m_bFromManifest; }
    void SetFromManifest( sal_Bool bValue ) { m_bFromManifest = bValue; }

    vos::ORef < EncryptionData > & getEncryptionData ()
    { return xEncryptionData;}
    const com::sun::star::uno::Sequence < sal_Int8 >& getKey () const
    { return xEncryptionData->aKey;}
    const com::sun::star::uno::Sequence < sal_uInt8 >& getInitialisationVector () const
    { return xEncryptionData->aInitVector;}
    const com::sun::star::uno::Sequence < sal_uInt8 >& getDigest () const
    { return xEncryptionData->aDigest;}
    const com::sun::star::uno::Sequence < sal_uInt8 >& getSalt () const
    { return xEncryptionData->aSalt;}
    sal_Int32 getIterationCount () const
    { return xEncryptionData->nIterationCount;}
    sal_Int32 getSize () const
    { return aEntry.nSize;}

    sal_uInt8 GetStreamMode() const { return m_nStreamMode; }
    sal_uInt32 GetMagicalHackPos() const { return m_nMagicalHackPos; }
    sal_uInt32 GetMagicalHackSize() const { return m_nMagicalHackSize; }

    void SetToBeCompressed (sal_Bool bNewValue) { bToBeCompressed = bNewValue;}
    void SetIsEncrypted (sal_Bool bNewValue) { bIsEncrypted = bNewValue;}
    void SetToBeEncrypted (sal_Bool bNewValue)
    {
        bToBeEncrypted  = bNewValue;
        if ( bToBeEncrypted && xEncryptionData.isEmpty())
            xEncryptionData = new EncryptionData;
        else if ( !bToBeEncrypted && !xEncryptionData.isEmpty() )
            xEncryptionData.unbind();
    }
    void SetPackageMember (sal_Bool bNewValue);
    void setKey (const com::sun::star::uno::Sequence < sal_Int8 >& rNewKey )
    { xEncryptionData->aKey = rNewKey;}
    void setInitialisationVector (const com::sun::star::uno::Sequence < sal_uInt8 >& rNewVector )
    { xEncryptionData->aInitVector = rNewVector;}
    void setSalt (const com::sun::star::uno::Sequence < sal_uInt8 >& rNewSalt )
    { xEncryptionData->aSalt = rNewSalt;}
    void setDigest (const com::sun::star::uno::Sequence < sal_uInt8 >& rNewDigest )
    { xEncryptionData->aDigest = rNewDigest;}
    void setIterationCount (const sal_Int32 nNewCount)
    { xEncryptionData->nIterationCount = nNewCount;}
    void setSize (const sal_Int32 nNewSize);

    ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > GetOwnStreamNoWrap() { return xStream; }

    void CloseOwnStreamIfAny();

    ZipPackageStream ( ZipPackage & rNewPackage,
                        const ::com::sun::star::uno::Reference < com::sun::star::lang::XMultiServiceFactory >& xFactory,
                        sal_Bool bAllowRemoveOnInsert );
    virtual ~ZipPackageStream( void );

    ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > GetRawEncrStreamNoHeaderCopy();
    ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > TryToGetRawFromDataStream(
                                                                                    sal_Bool bAddHeaderForEncr );

    sal_Bool ParsePackageRawStream();

    void setZipEntryOnLoading( const ZipEntry &rInEntry);
    ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getRawData()
        throw(::com::sun::star::uno::RuntimeException);

    static const ::com::sun::star::uno::Sequence < sal_Int8 >& static_getImplementationId();

    // XActiveDataSink
    virtual void SAL_CALL setInputStream( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& aStream )
        throw(::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getInputStream(  )
        throw(::com::sun::star::uno::RuntimeException);

    // XDataSinkEncrSupport
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getDataStream()
        throw ( ::com::sun::star::packages::WrongPasswordException,
                ::com::sun::star::io::IOException,
                ::com::sun::star::uno::RuntimeException );
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getRawStream()
        throw ( ::com::sun::star::packages::NoEncryptionException,
                ::com::sun::star::io::IOException,
                ::com::sun::star::uno::RuntimeException );
    virtual void SAL_CALL setDataStream(
                    const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& aStream )
        throw ( ::com::sun::star::io::IOException,
                ::com::sun::star::uno::RuntimeException );
    virtual void SAL_CALL setRawStream(
                    const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& aStream )
        throw ( ::com::sun::star::packages::EncryptionNotAllowedException,
                ::com::sun::star::packages::NoRawFormatException,
                ::com::sun::star::io::IOException,
                ::com::sun::star::uno::RuntimeException );
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getPlainRawStream()
        throw ( ::com::sun::star::io::IOException,
                ::com::sun::star::uno::RuntimeException );

    // XUnoTunnel
    virtual sal_Int64 SAL_CALL getSomething( const ::com::sun::star::uno::Sequence< sal_Int8 >& aIdentifier )
        throw(::com::sun::star::uno::RuntimeException);

    // XPropertySet
    virtual void SAL_CALL setPropertyValue( const ::rtl::OUString& aPropertyName, const ::com::sun::star::uno::Any& aValue )
        throw(::com::sun::star::beans::UnknownPropertyException, ::com::sun::star::beans::PropertyVetoException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Any SAL_CALL getPropertyValue( const ::rtl::OUString& PropertyName )
        throw(::com::sun::star::beans::UnknownPropertyException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);

    // XServiceInfo
    virtual ::rtl::OUString SAL_CALL getImplementationName(  )
        throw (::com::sun::star::uno::RuntimeException);
    virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName )
        throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames(  )
        throw (::com::sun::star::uno::RuntimeException);
};
#endif