Line data    Source code

       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             :  */
      10             : 
      11             : #ifndef INCLUDED_OOX_CRYPTO_DOCUMENTDECRYPTION_HXX
      12             : #define INCLUDED_OOX_CRYPTO_DOCUMENTDECRYPTION_HXX
      13             : 
      14             : #include <oox/dllapi.h>
      15             : 
      16             : #include <oox/ole/olestorage.hxx>
      17             : #include <oox/helper/binaryinputstream.hxx>
      18             : #include <oox/helper/binaryoutputstream.hxx>
      19             : 
      20             : #include <com/sun/star/io/XStream.hpp>
      21             : #include <com/sun/star/beans/NamedValue.hpp>
      22             : #include <com/sun/star/uno/Sequence.hxx>
      23             : 
      24             : #include <oox/crypto/CryptTools.hxx>
      25             : #include <oox/crypto/AgileEngine.hxx>
      26             : #include <oox/crypto/Standard2007Engine.hxx>
      27             : 
      28             : #include <boost/scoped_ptr.hpp>
      29             : #include <vector>
      30             : 
      31             : namespace oox {
      32             : namespace core {
      33             : 
      34          30 : class OOX_DLLPUBLIC DocumentDecryption
      35             : {
      36             : private:
      37             :     com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext > mxContext;
      38             : 
      39             :     enum CryptoType
      40             :     {
      41             :         UNKNOWN,
      42             :         STANDARD_2007,
      43             :         AGILE
      44             :     };
      45             : 
      46             :     oox::ole::OleStorage&           mrOleStorage;
      47             :     boost::scoped_ptr<CryptoEngine> mEngine;
      48             :     CryptoType                      mCryptoType;
      49             : 
      50             :     bool readAgileEncryptionInfo( com::sun::star::uno::Reference< com::sun::star::io::XInputStream >& rStream );
      51             :     bool readStandard2007EncryptionInfo( BinaryInputStream& rStream );
      52             : 
      53             : public:
      54             :     DocumentDecryption(
      55             :         oox::ole::OleStorage& rOleStorage,
      56             :         com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext > xContext);
      57             : 
      58             :     bool decrypt(com::sun::star::uno::Reference< com::sun::star::io::XStream > xDocumentStream);
      59             :     bool readEncryptionInfo();
      60             :     bool generateEncryptionKey(const OUString& rPassword);
      61             : 
      62             :     com::sun::star::uno::Sequence< com::sun::star::beans::NamedValue > createEncryptionData(const OUString& rPassword);
      63             : 
      64             :     static bool checkEncryptionData( const com::sun::star::uno::Sequence< com::sun::star::beans::NamedValue >& rEncryptionData );
      65             : };
      66             : 
      67             : } // namespace core
      68             : } // namespace oox
      69             : 
      70             : #endif
      71             : 
      72             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */