include/oox/crypto/DocumentDecryption.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  */
  10
  11 #ifndef INCLUDED_OOX_CRYPTO_DOCUMENTDECRYPTION_HXX
  12 #define INCLUDED_OOX_CRYPTO_DOCUMENTDECRYPTION_HXX
  13
  14 #include <oox/dllapi.h>
  15
  16 #include <memory>
  17
  18 #include <com/sun/star/uno/Reference.hxx>
  19 #include <com/sun/star/uno/Sequence.hxx>
  20 #include <oox/crypto/CryptoEngine.hxx>
  21 #include <rtl/ustring.hxx>
  22
  23 namespace com { namespace sun { namespace star {
  24     namespace beans { struct NamedValue; }
  25     namespace io { class XInputStream; }
  26     namespace io { class XStream; }
  27     namespace uno { class XComponentContext; }
  28 } } }
  29
  30 namespace oox { namespace ole { class OleStorage; } }
  31
  32 namespace oox {
  33 namespace core {
  34
  35 class OOX_DLLPUBLIC DocumentDecryption
  36 {
  37 private:
  38     enum CryptoType
  39     {
  40         UNKNOWN,
  41         STANDARD_2007,
  42         AGILE
  43     };
  44
  45     oox::ole::OleStorage&           mrOleStorage;
  46     std::unique_ptr<CryptoEngine>   mEngine;
  47     CryptoType                      mCryptoType;
  48
  49 public:
  50     DocumentDecryption(oox::ole::OleStorage& rOleStorage);
  51
  52     bool decrypt(const css::uno::Reference< css::io::XStream >& xDocumentStream);
  53     bool readEncryptionInfo();
  54     bool generateEncryptionKey(const OUString& rPassword);
  55
  56     css::uno::Sequence< css::beans::NamedValue > createEncryptionData(const OUString& rPassword);
  57
  58 };
  59
  60 } // namespace core
  61 } // namespace oox
  62
  63 #endif
  64
  65 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */