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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_INC_ZIPPACKAGE_HXX
#define INCLUDED_PACKAGE_INC_ZIPPACKAGE_HXX

#include <cppuhelper/implbase.hxx>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/container/XHierarchicalNameAccess.hpp>
#include <com/sun/star/lang/XSingleServiceFactory.hpp>
#include <com/sun/star/util/XChangesBatch.hpp>
#include <com/sun/star/lang/XUnoTunnel.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/beans/NamedValue.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/xml/crypto/CipherID.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <comphelper/refcountedmutex.hxx>

#include "HashMaps.hxx"
#include <osl/file.h>
#include <vector>
#include <memory>

class ZipOutputStream;
class ZipPackageFolder;
class ZipFile;
namespace com { namespace sun { namespace star {
    namespace container { class XNameContainer; }
    namespace io { class XStream; class XOutputStream; class XInputStream; class XSeekable; class XActiveDataStreamer; }
    namespace lang { class XMultiServiceFactory; }
    namespace uno { class XComponentContext; }
    namespace task { class XInteractionHandler; }
} } }

enum InitialisationMode
{
    e_IMode_None,
    e_IMode_URL,
    e_IMode_XInputStream,
    e_IMode_XStream
};

class ZipPackage final : public cppu::WeakImplHelper
                    <
                       css::lang::XInitialization,
                       css::lang::XSingleServiceFactory,
                       css::lang::XUnoTunnel,
                       css::lang::XServiceInfo,
                       css::container::XHierarchicalNameAccess,
                       css::util::XChangesBatch,
                       css::beans::XPropertySet
                    >
{
    rtl::Reference<comphelper::RefCountedMutex> m_aMutexHolder;

    css::uno::Sequence< css::beans::NamedValue > m_aStorageEncryptionKeys;
    css::uno::Sequence< sal_Int8 > m_aEncryptionKey;
    css::uno::Sequence< css::uno::Sequence< css::beans::NamedValue > > m_aGpgProps;

    FolderHash        m_aRecent;
    OUString   m_aURL;

    sal_Int32         m_nStartKeyGenerationID;
    sal_Int32         m_nChecksumDigestID;
    sal_Int32         m_nCommonEncryptionID;
    bool          m_bHasEncryptedEntries;
    bool          m_bHasNonEncryptedEntries;

    bool          m_bInconsistent;
    bool          m_bForceRecovery;

    bool          m_bMediaTypeFallbackUsed;
    sal_Int32         m_nFormat;
    bool          m_bAllowRemoveOnInsert;

    InitialisationMode m_eMode;

    rtl::Reference < ZipPackageFolder > m_xRootFolder;
    css::uno::Reference < css::io::XStream > m_xStream;
    css::uno::Reference < css::io::XInputStream > m_xContentStream;
    css::uno::Reference < css::io::XSeekable > m_xContentSeek;
    const css::uno::Reference < css::uno::XComponentContext > m_xContext;

    std::unique_ptr<ZipFile> m_pZipFile;

    bool isLocalFile() const;

    void parseManifest();
    void parseContentType();
    void getZipFileContents();

    void WriteMimetypeMagicFile( ZipOutputStream& aZipOut );
    void WriteManifest( ZipOutputStream& aZipOut, const ::std::vector< css::uno::Sequence< css::beans::PropertyValue > >& aManList );
    void WriteContentTypes( ZipOutputStream& aZipOut, const ::std::vector< css::uno::Sequence< css::beans::PropertyValue > >& aManList );

    css::uno::Reference< css::io::XInputStream > writeTempFile();
    css::uno::Reference < css::io::XActiveDataStreamer > openOriginalForOutput();
    void DisconnectFromTargetAndThrowException_Impl(
            const css::uno::Reference< css::io::XInputStream >& xTempStream );

public:
    ZipPackage( const css::uno::Reference < css::uno::XComponentContext > &xContext );
    virtual ~ZipPackage() override;
    ZipFile& getZipFile() { return *m_pZipFile;}
    sal_Int32 getFormat() const { return m_nFormat; }

    sal_Int32 GetStartKeyGenID() const { return m_nStartKeyGenerationID; }
    sal_Int32 GetEncAlgID() const { return m_nCommonEncryptionID; }
    sal_Int32 GetChecksumAlgID() const { return m_nChecksumDigestID; }
    sal_Int32 GetDefaultDerivedKeySize() const { return m_nCommonEncryptionID == css::xml::crypto::CipherID::AES_CBC_W3C_PADDING ? 32 : 16; }

    rtl::Reference<comphelper::RefCountedMutex>& GetSharedMutexRef() { return m_aMutexHolder; }

    void ConnectTo( const css::uno::Reference< css::io::XInputStream >& xInStream );
    const css::uno::Sequence< sal_Int8 > GetEncryptionKey();

    // XInitialization
    virtual void SAL_CALL initialize( const css::uno::Sequence< css::uno::Any >& aArguments ) override;
    // XHierarchicalNameAccess
    virtual css::uno::Any SAL_CALL getByHierarchicalName( const OUString& aName ) override;
    virtual sal_Bool SAL_CALL hasByHierarchicalName( const OUString& aName ) override;
    // XSingleServiceFactory
    virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstance(  ) override;
    virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstanceWithArguments( const css::uno::Sequence< css::uno::Any >& aArguments ) override;
    // XChangesBatch
    virtual void SAL_CALL commitChanges(  ) override;
    virtual sal_Bool SAL_CALL hasPendingChanges(  ) override;
    virtual css::uno::Sequence< css::util::ElementChange > SAL_CALL getPendingChanges(  ) override;
    // XUnoTunnel
    virtual sal_Int64 SAL_CALL getSomething( const css::uno::Sequence< sal_Int8 >& aIdentifier ) override;
    /// @throws css::uno::RuntimeException
    static css::uno::Sequence < sal_Int8 > getUnoTunnelImplementationId();
    // 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;

    // XServiceInfo
    virtual OUString SAL_CALL getImplementationName(  ) override;
    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;

    // Uno componentiseralation
    static OUString static_getImplementationName();
    static css::uno::Sequence < OUString > static_getSupportedServiceNames();
    static css::uno::Reference < css::lang::XSingleServiceFactory > createServiceFactory( css::uno::Reference < css::lang::XMultiServiceFactory > const & rServiceFactory );
};
#endif

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