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             :  * 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             : 
      20             : #include "sal/config.h"
      21             : 
      22             : #include <cassert>
      23             : 
      24             : #include "pdfihelper.hxx"
      25             : 
      26             : #include <boost/noncopyable.hpp>
      27             : #include <com/sun/star/task/ErrorCodeRequest.hpp>
      28             : #include <com/sun/star/task/XInteractionHandler.hpp>
      29             : #include <com/sun/star/task/XInteractionRequest.hpp>
      30             : #include <com/sun/star/task/XInteractionPassword.hpp>
      31             : #include <com/sun/star/task/DocumentPasswordRequest.hpp>
      32             : 
      33             : #include <cppuhelper/exc_hlp.hxx>
      34             : #include <cppuhelper/implbase1.hxx>
      35             : #include <cppuhelper/implbase2.hxx>
      36             : #include <osl/mutex.hxx>
      37             : #include <rtl/ref.hxx>
      38             : #include <tools/errcode.hxx>
      39             : 
      40             : using namespace com::sun::star;
      41             : 
      42             : namespace
      43             : {
      44             : 
      45             : class PDFPasswordRequest:
      46             :     public cppu::WeakImplHelper2<
      47             :         task::XInteractionRequest, task::XInteractionPassword >,
      48             :     private boost::noncopyable
      49             : {
      50             : private:
      51             :     mutable osl::Mutex            m_aMutex;
      52             :     uno::Any                      m_aRequest;
      53             :     OUString                 m_aPassword;
      54             :     bool                          m_bSelected;
      55             : 
      56             : public:
      57             :     explicit PDFPasswordRequest(bool bFirstTry, const OUString& rName);
      58             : 
      59             :     // XInteractionRequest
      60             :     virtual uno::Any SAL_CALL getRequest(  ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE;
      61             :     virtual uno::Sequence< uno::Reference< task::XInteractionContinuation > > SAL_CALL getContinuations(  ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE;
      62             : 
      63             :     // XInteractionPassword
      64             :     virtual void SAL_CALL setPassword( const OUString& rPwd ) throw (uno::RuntimeException, std::exception) SAL_OVERRIDE;
      65             :     virtual OUString SAL_CALL getPassword() throw (uno::RuntimeException, std::exception) SAL_OVERRIDE;
      66             : 
      67             :     // XInteractionContinuation
      68             :     virtual void SAL_CALL select() throw (uno::RuntimeException, std::exception) SAL_OVERRIDE;
      69             : 
      70           0 :     bool isSelected() const { osl::MutexGuard const guard( m_aMutex ); return m_bSelected; }
      71             : 
      72             : private:
      73           0 :     virtual ~PDFPasswordRequest() {}
      74             : };
      75             : 
      76           0 : PDFPasswordRequest::PDFPasswordRequest( bool bFirstTry, const OUString& rName ) :
      77             :     m_aRequest(
      78             :         uno::makeAny(
      79             :             task::DocumentPasswordRequest(
      80             :                 OUString(), uno::Reference< uno::XInterface >(),
      81             :                 task::InteractionClassification_QUERY,
      82             :                 (bFirstTry
      83             :                  ? task::PasswordRequestMode_PASSWORD_ENTER
      84             :                  : task::PasswordRequestMode_PASSWORD_REENTER),
      85             :                 rName))),
      86           0 :     m_bSelected(false)
      87           0 : {}
      88             : 
      89           0 : uno::Any PDFPasswordRequest::getRequest() throw (uno::RuntimeException, std::exception)
      90             : {
      91           0 :     return m_aRequest;
      92             : }
      93             : 
      94           0 : uno::Sequence< uno::Reference< task::XInteractionContinuation > > PDFPasswordRequest::getContinuations() throw (uno::RuntimeException, std::exception)
      95             : {
      96           0 :     uno::Sequence< uno::Reference< task::XInteractionContinuation > > aRet( 1 );
      97           0 :     aRet[0] = this;
      98           0 :     return aRet;
      99             : }
     100             : 
     101           0 : void PDFPasswordRequest::setPassword( const OUString& rPwd ) throw (uno::RuntimeException, std::exception)
     102             : {
     103           0 :     osl::MutexGuard const guard( m_aMutex );
     104             : 
     105           0 :     m_aPassword = rPwd;
     106           0 : }
     107             : 
     108           0 : OUString PDFPasswordRequest::getPassword() throw (uno::RuntimeException, std::exception)
     109             : {
     110           0 :     osl::MutexGuard const guard( m_aMutex );
     111             : 
     112           0 :     return m_aPassword;
     113             : }
     114             : 
     115           0 : void PDFPasswordRequest::select() throw (uno::RuntimeException, std::exception)
     116             : {
     117           0 :     osl::MutexGuard const guard( m_aMutex );
     118             : 
     119           0 :     m_bSelected = true;
     120           0 : }
     121             : 
     122             : class UnsupportedEncryptionFormatRequest:
     123             :     public cppu::WeakImplHelper1< task::XInteractionRequest >,
     124             :     private boost::noncopyable
     125             : {
     126             : public:
     127           0 :     UnsupportedEncryptionFormatRequest() {}
     128             : 
     129             : private:
     130           0 :     virtual ~UnsupportedEncryptionFormatRequest() {}
     131             : 
     132           0 :     virtual uno::Any SAL_CALL getRequest() throw (uno::RuntimeException, std::exception) SAL_OVERRIDE {
     133             :         return uno::makeAny(
     134             :             task::ErrorCodeRequest(
     135             :                 OUString(), uno::Reference< uno::XInterface >(),
     136           0 :                 ERRCODE_IO_WRONGVERSION));
     137             :             //TODO: should be something more informative than crudely reused
     138             :             // ERRCODE_IO_WRONGVERSION
     139             :     }
     140             : 
     141             :     virtual uno::Sequence< uno::Reference< task::XInteractionContinuation > >
     142           0 :     SAL_CALL getContinuations() throw (uno::RuntimeException, std::exception) SAL_OVERRIDE {
     143             :         return
     144           0 :             uno::Sequence< uno::Reference< task::XInteractionContinuation > >();
     145             :     }
     146             : };
     147             : 
     148             : } // namespace
     149             : 
     150             : namespace pdfi
     151             : {
     152             : 
     153           0 : bool getPassword( const uno::Reference< task::XInteractionHandler >& xHandler,
     154             :                   OUString&                                     rOutPwd,
     155             :                   bool                                               bFirstTry,
     156             :                   const OUString&                               rDocName
     157             :                   )
     158             : {
     159           0 :     bool bSuccess = false;
     160             : 
     161             :     rtl::Reference< PDFPasswordRequest > xReq(
     162           0 :         new PDFPasswordRequest( bFirstTry, rDocName ) );
     163             :     try
     164             :     {
     165           0 :         xHandler->handle( xReq.get() );
     166             :     }
     167           0 :     catch( uno::Exception& )
     168             :     {
     169             :     }
     170             : 
     171             :     OSL_TRACE( "request %s selected", xReq->isSelected() ? "was" : "was not" );
     172           0 :     if( xReq->isSelected() )
     173             :     {
     174           0 :         bSuccess = true;
     175           0 :         rOutPwd = xReq->getPassword();
     176             :     }
     177             : 
     178           0 :     return bSuccess;
     179             : }
     180             : 
     181           0 : void reportUnsupportedEncryptionFormat(
     182             :     uno::Reference< task::XInteractionHandler > const & handler)
     183             : {
     184             :     assert(handler.is());
     185           0 :     handler->handle(new UnsupportedEncryptionFormatRequest);
     186           0 : }
     187             : 
     188             : }
     189             : 
     190             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */