certmanager/lib

qgpgmesignencryptjob.cpp

00001 /*
00002     qgpgmesignencryptjob.cpp
00003 
00004     This file is part of libkleopatra, the KDE keymanagement library
00005     Copyright (c) 2004 Klarälvdalens Datakonsult AB
00006 
00007     Libkleopatra is free software; you can redistribute it and/or
00008     modify it under the terms of the GNU General Public License as
00009     published by the Free Software Foundation; either version 2 of the
00010     License, or (at your option) any later version.
00011 
00012     Libkleopatra is distributed in the hope that it will be useful,
00013     but WITHOUT ANY WARRANTY; without even the implied warranty of
00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015     General Public License for more details.
00016 
00017     You should have received a copy of the GNU General Public License
00018     along with this program; if not, write to the Free Software
00019     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00020 
00021     In addition, as a special exception, the copyright holders give
00022     permission to link the code of this program with any edition of
00023     the Qt library by Trolltech AS, Norway (or with modified versions
00024     of Qt that use the same license as Qt), and distribute linked
00025     combinations including the two.  You must obey the GNU General
00026     Public License in all respects for all of the code used other than
00027     Qt.  If you modify this file, you may extend this exception to
00028     your version of the file, but you are not obligated to do so.  If
00029     you do not wish to do so, delete this exception statement from
00030     your version.
00031 */
00032 
00033 #ifdef HAVE_CONFIG_H
00034 #include <config.h>
00035 #endif
00036 
00037 #include "qgpgmesignencryptjob.h"
00038 
00039 #include <klocale.h>
00040 #include <kmessagebox.h>
00041 
00042 #include <qgpgme/eventloopinteractor.h>
00043 #include <qgpgme/dataprovider.h>
00044 
00045 #include <gpgmepp/context.h>
00046 #include <gpgmepp/data.h>
00047 #include <gpgmepp/key.h>
00048 
00049 #include <assert.h>
00050 
00051 Kleo::QGpgMESignEncryptJob::QGpgMESignEncryptJob( GpgME::Context * context )
00052   : SignEncryptJob( QGpgME::EventLoopInteractor::instance(), "Kleo::QGpgMESignEncryptJob" ),
00053     QGpgMEJob( this, context )
00054 {
00055   assert( context );
00056 }
00057 
00058 Kleo::QGpgMESignEncryptJob::~QGpgMESignEncryptJob() {
00059 }
00060 
00061 GpgME::Error Kleo::QGpgMESignEncryptJob::setup( const std::vector<GpgME::Key> & signers,
00062                         const QByteArray & plainText ) {
00063   assert( !mInData );
00064   assert( !mOutData );
00065 
00066   createInData( plainText );
00067   createOutData();
00068 
00069   return setSigningKeys( signers );
00070 }
00071 
00072 GpgME::Error Kleo::QGpgMESignEncryptJob::start( const std::vector<GpgME::Key> & signers,
00073                         const std::vector<GpgME::Key> & recipients,
00074                         const QByteArray & plainText, bool alwaysTrust ) {
00075   if ( const GpgME::Error error = setup( signers, plainText ) ) {
00076     deleteLater();
00077     return error;
00078   }
00079 
00080   hookupContextToEventLoopInteractor();
00081 
00082   const GpgME::Context::EncryptionFlags flags =
00083     alwaysTrust ? GpgME::Context::AlwaysTrust : GpgME::Context::None ;
00084   const GpgME::Error err = mCtx->startCombinedSigningAndEncryption( recipients, *mInData, *mOutData, flags );
00085                           
00086   if ( err )
00087     deleteLater();
00088   mResult.first = GpgME::SigningResult( err );
00089   mResult.second = GpgME::EncryptionResult( err );
00090   return err;
00091 }
00092 
00093 std::pair<GpgME::SigningResult,GpgME::EncryptionResult>
00094 Kleo::QGpgMESignEncryptJob::exec( const std::vector<GpgME::Key> & signers,
00095                   const std::vector<GpgME::Key> & recipients,
00096                   const QByteArray & plainText, bool alwaysTrust,
00097                   QByteArray & cipherText ) {
00098   if ( GpgME::Error err = setup( signers, plainText ) )
00099     return std::make_pair( GpgME::SigningResult( 0, err ), GpgME::EncryptionResult() );
00100   const GpgME::Context::EncryptionFlags flags =
00101     alwaysTrust ? GpgME::Context::AlwaysTrust : GpgME::Context::None ;
00102   mResult = mCtx->signAndEncrypt( recipients, *mInData, *mOutData, flags );
00103   cipherText = mOutDataDataProvider->data();
00104   return mResult;
00105 }
00106 
00107 void Kleo::QGpgMESignEncryptJob::doOperationDoneEvent( const GpgME::Error & ) {
00108   mResult.first = mCtx->signingResult();
00109   mResult.second = mCtx->encryptionResult();
00110   emit result( mResult.first, mResult.second, mOutDataDataProvider->data() );
00111 }
00112 
00113 void Kleo::QGpgMESignEncryptJob::showErrorDialog( QWidget * parent, const QString & caption ) const {
00114   if ( !mResult.first.error() && !mResult.second.error() )
00115     return;
00116   if ( mResult.first.error().isCanceled() || mResult.second.error().isCanceled() )
00117     return;
00118   const QString msg = mResult.first.error()
00119     ? i18n("Signing failed: %1" ).arg( QString::fromLocal8Bit( mResult.first.error().asString() ) )
00120     : i18n("Encryption failed: %1").arg( QString::fromLocal8Bit( mResult.second.error().asString() ) ) ;
00121   KMessageBox::error( parent, msg, caption );
00122 }
00123 
00124 #include "qgpgmesignencryptjob.moc"
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