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