package/inc/ZipPackageStream.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19 #ifndef _ZIP_PACKAGE_STREAM_HXX
  20 #define _ZIP_PACKAGE_STREAM_HXX
  21
  22 #include <com/sun/star/io/XActiveDataSink.hpp>
  23 #include <com/sun/star/io/XSeekable.hpp>
  24 #include <com/sun/star/beans/NamedValue.hpp>
  25 #include <com/sun/star/packages/XDataSinkEncrSupport.hpp>
  26 #include <com/sun/star/uno/XComponentContext.hpp>
  27 #include <ZipPackageEntry.hxx>
  28 #include <rtl/ref.hxx>
  29 #include <cppuhelper/implbase2.hxx>
  30
  31 #include <EncryptionData.hxx>
  32 #include <mutexholder.hxx>
  33
  34 #define PACKAGE_STREAM_NOTSET           0
  35 #define PACKAGE_STREAM_PACKAGEMEMBER    1
  36 #define PACKAGE_STREAM_DETECT           2
  37 #define PACKAGE_STREAM_DATA             3
  38 #define PACKAGE_STREAM_RAW              4
  39
  40 class ZipPackage;
  41 struct ZipEntry;
  42 class ZipPackageStream : public cppu::ImplInheritanceHelper2
  43 <
  44     ZipPackageEntry,
  45     ::com::sun::star::io::XActiveDataSink,
  46     ::com::sun::star::packages::XDataSinkEncrSupport
  47 >
  48 {
  49 private:
  50     com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xStream;
  51     const ::com::sun::star::uno::Reference < com::sun::star::uno::XComponentContext > m_xContext;
  52     ZipPackage          &rZipPackage;
  53     sal_Bool            bToBeCompressed, bToBeEncrypted, bHaveOwnKey, bIsEncrypted;
  54
  55     ::rtl::Reference< BaseEncryptionData > m_xBaseEncryptionData;
  56     ::com::sun::star::uno::Sequence< ::com::sun::star::beans::NamedValue > m_aStorageEncryptionKeys;
  57     ::com::sun::star::uno::Sequence< sal_Int8 > m_aEncryptionKey;
  58
  59     sal_Int32 m_nImportedStartKeyAlgorithm;
  60     sal_Int32 m_nImportedEncryptionAlgorithm;
  61     sal_Int32 m_nImportedChecksumAlgorithm;
  62     sal_Int32 m_nImportedDerivedKeySize;
  63
  64     sal_uInt8   m_nStreamMode;
  65     sal_uInt32  m_nMagicalHackPos;
  66     sal_uInt32  m_nMagicalHackSize;
  67
  68     sal_Bool m_bHasSeekable;
  69
  70     sal_Bool m_bCompressedIsSetFromOutside;
  71
  72     sal_Bool m_bFromManifest;
  73
  74     bool m_bUseWinEncoding;
  75
  76     ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > GetOwnSeekStream();
  77
  78 public:
  79     sal_Bool HasOwnKey () const  { return bHaveOwnKey;}
  80     sal_Bool IsToBeCompressed () const { return bToBeCompressed;}
  81     sal_Bool IsToBeEncrypted () const { return bToBeEncrypted;}
  82     sal_Bool IsEncrypted () const    { return bIsEncrypted;}
  83     sal_Bool IsPackageMember () const { return m_nStreamMode == PACKAGE_STREAM_PACKAGEMEMBER;}
  84
  85     sal_Bool IsFromManifest() const { return m_bFromManifest; }
  86     void SetFromManifest( sal_Bool bValue ) { m_bFromManifest = bValue; }
  87
  88     ::rtl::Reference< EncryptionData > GetEncryptionData( bool bWinEncoding = false );
  89
  90     ::com::sun::star::uno::Sequence< sal_Int8 > GetEncryptionKey( bool bWinEncoding = false );
  91
  92     sal_Int32 GetStartKeyGenID();
  93
  94     const com::sun::star::uno::Sequence < sal_Int8 > getInitialisationVector () const
  95     { return m_xBaseEncryptionData->m_aInitVector;}
  96     const com::sun::star::uno::Sequence < sal_Int8 > getDigest () const
  97     { return m_xBaseEncryptionData->m_aDigest;}
  98     const com::sun::star::uno::Sequence < sal_Int8 > getSalt () const
  99     { return m_xBaseEncryptionData->m_aSalt;}
 100     sal_Int32 getIterationCount () const
 101     { return m_xBaseEncryptionData->m_nIterationCount;}
 102     sal_Int64 getSize () const
 103     { return aEntry.nSize;}
 104
 105     sal_uInt8 GetStreamMode() const { return m_nStreamMode; }
 106     sal_uInt32 GetMagicalHackPos() const { return m_nMagicalHackPos; }
 107     sal_uInt32 GetMagicalHackSize() const { return m_nMagicalHackSize; }
 108     sal_Int32 GetEncryptionAlgorithm() const;
 109     sal_Int32 GetBlockSize() const;
 110
 111     void SetToBeCompressed (sal_Bool bNewValue) { bToBeCompressed = bNewValue;}
 112     void SetIsEncrypted (sal_Bool bNewValue) { bIsEncrypted = bNewValue;}
 113     void SetImportedStartKeyAlgorithm( sal_Int32 nAlgorithm ) { m_nImportedStartKeyAlgorithm = nAlgorithm; }
 114     void SetImportedEncryptionAlgorithm( sal_Int32 nAlgorithm ) { m_nImportedEncryptionAlgorithm = nAlgorithm; }
 115     void SetImportedChecksumAlgorithm( sal_Int32 nAlgorithm ) { m_nImportedChecksumAlgorithm = nAlgorithm; }
 116     void SetImportedDerivedKeySize( sal_Int32 nSize ) { m_nImportedDerivedKeySize = nSize; }
 117     void SetToBeEncrypted (sal_Bool bNewValue)
 118     {
 119         bToBeEncrypted  = bNewValue;
 120         if ( bToBeEncrypted && !m_xBaseEncryptionData.is())
 121             m_xBaseEncryptionData = new BaseEncryptionData;
 122         else if ( !bToBeEncrypted && m_xBaseEncryptionData.is() )
 123             m_xBaseEncryptionData.clear();
 124     }
 125     void SetPackageMember (sal_Bool bNewValue);
 126
 127     void setKey (const com::sun::star::uno::Sequence < sal_Int8 >& rNewKey )
 128     { m_aEncryptionKey = rNewKey; m_aStorageEncryptionKeys.realloc( 0 ); }
 129     void setInitialisationVector (const com::sun::star::uno::Sequence < sal_Int8 >& rNewVector )
 130     { m_xBaseEncryptionData->m_aInitVector = rNewVector;}
 131     void setSalt (const com::sun::star::uno::Sequence < sal_Int8 >& rNewSalt )
 132     { m_xBaseEncryptionData->m_aSalt = rNewSalt;}
 133     void setDigest (const com::sun::star::uno::Sequence < sal_Int8 >& rNewDigest )
 134     { m_xBaseEncryptionData->m_aDigest = rNewDigest;}
 135     void setIterationCount (const sal_Int32 nNewCount)
 136     { m_xBaseEncryptionData->m_nIterationCount = nNewCount;}
 137     void setSize (const sal_Int64 nNewSize);
 138
 139     ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > GetOwnStreamNoWrap() { return xStream; }
 140
 141     void CloseOwnStreamIfAny();
 142
 143     ZipPackageStream ( ZipPackage & rNewPackage,
 144                         const ::com::sun::star::uno::Reference < com::sun::star::uno::XComponentContext >& xContext,
 145                         sal_Bool bAllowRemoveOnInsert );
 146     virtual ~ZipPackageStream( void );
 147
 148     ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > GetRawEncrStreamNoHeaderCopy();
 149     ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > TryToGetRawFromDataStream(
 150                                                                                     sal_Bool bAddHeaderForEncr );
 151
 152     sal_Bool ParsePackageRawStream();
 153
 154     void setZipEntryOnLoading( const ZipEntry &rInEntry);
 155     ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getRawData()
 156         throw(::com::sun::star::uno::RuntimeException);
 157
 158     static const ::com::sun::star::uno::Sequence < sal_Int8 >& static_getImplementationId();
 159
 160     // XActiveDataSink
 161     virtual void SAL_CALL setInputStream( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& aStream )
 162         throw(::com::sun::star::uno::RuntimeException);
 163     virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getInputStream(  )
 164         throw(::com::sun::star::uno::RuntimeException);
 165
 166     // XDataSinkEncrSupport
 167     virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getDataStream()
 168         throw ( ::com::sun::star::packages::WrongPasswordException,
 169                 ::com::sun::star::io::IOException,
 170                 ::com::sun::star::uno::RuntimeException );
 171     virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getRawStream()
 172         throw ( ::com::sun::star::packages::NoEncryptionException,
 173                 ::com::sun::star::io::IOException,
 174                 ::com::sun::star::uno::RuntimeException );
 175     virtual void SAL_CALL setDataStream(
 176                     const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& aStream )
 177         throw ( ::com::sun::star::io::IOException,
 178                 ::com::sun::star::uno::RuntimeException );
 179     virtual void SAL_CALL setRawStream(
 180                     const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& aStream )
 181         throw ( ::com::sun::star::packages::EncryptionNotAllowedException,
 182                 ::com::sun::star::packages::NoRawFormatException,
 183                 ::com::sun::star::io::IOException,
 184                 ::com::sun::star::uno::RuntimeException );
 185     virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getPlainRawStream()
 186         throw ( ::com::sun::star::io::IOException,
 187                 ::com::sun::star::uno::RuntimeException );
 188
 189     // XUnoTunnel
 190     virtual sal_Int64 SAL_CALL getSomething( const ::com::sun::star::uno::Sequence< sal_Int8 >& aIdentifier )
 191         throw(::com::sun::star::uno::RuntimeException);
 192
 193     // XPropertySet
 194     virtual void SAL_CALL setPropertyValue( const OUString& aPropertyName, const ::com::sun::star::uno::Any& aValue )
 195         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);
 196     virtual ::com::sun::star::uno::Any SAL_CALL getPropertyValue( const OUString& PropertyName )
 197         throw(::com::sun::star::beans::UnknownPropertyException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);
 198
 199     // XServiceInfo
 200     virtual OUString SAL_CALL getImplementationName(  )
 201         throw (::com::sun::star::uno::RuntimeException);
 202     virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName )
 203         throw (::com::sun::star::uno::RuntimeException);
 204     virtual ::com::sun::star::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  )
 205         throw (::com::sun::star::uno::RuntimeException);
 206 };
 207 #endif
 208
 209 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */