certmanager/lib

qgpgmeencryptjob.cpp

00001 /*
00002     qgpgmeencryptjob.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 "qgpgmeencryptjob.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/encryptionresult.h>
00047 #include <gpgmepp/data.h>
00048 
00049 #include <assert.h>
00050 
00051 Kleo::QGpgMEEncryptJob::QGpgMEEncryptJob( GpgME::Context * context )
00052   : EncryptJob( QGpgME::EventLoopInteractor::instance(), "Kleo::QGpgMEEncryptJob" ),
00053     QGpgMEJob( this, context )
00054 {
00055   assert( context );
00056 }
00057 
00058 Kleo::QGpgMEEncryptJob::~QGpgMEEncryptJob() {
00059 }
00060 
00061 void Kleo::QGpgMEEncryptJob::setup( const QByteArray & plainText ) {
00062   assert( !mInData );
00063   assert( !mOutData );
00064 
00065   createInData( plainText );
00066   createOutData();
00067 }
00068 
00069 GpgME::Error Kleo::QGpgMEEncryptJob::start( const std::vector<GpgME::Key> & recipients,
00070                         const QByteArray & plainText, bool alwaysTrust ) {
00071   setup( plainText );
00072 
00073   hookupContextToEventLoopInteractor();
00074 
00075   const GpgME::Context::EncryptionFlags flags =
00076     alwaysTrust ? GpgME::Context::AlwaysTrust : GpgME::Context::None;
00077   const GpgME::Error err = mCtx->startEncryption( recipients, *mInData, *mOutData, flags );
00078                           
00079   if ( err )
00080     deleteLater();
00081   return err;
00082 }
00083 
00084 GpgME::EncryptionResult Kleo::QGpgMEEncryptJob::exec( const std::vector<GpgME::Key> & recipients,
00085                               const QByteArray & plainText,
00086                               bool alwaysTrust,
00087                               QByteArray & ciphertext ) {
00088   setup( plainText );
00089   const GpgME::Context::EncryptionFlags flags =
00090     alwaysTrust ? GpgME::Context::AlwaysTrust : GpgME::Context::None;
00091   mResult = mCtx->encrypt( recipients, *mInData, *mOutData, flags );
00092   ciphertext = mOutDataDataProvider->data();
00093   return mResult;
00094 }
00095 
00096 void Kleo::QGpgMEEncryptJob::doOperationDoneEvent( const GpgME::Error & ) {
00097   emit result( mResult, mOutDataDataProvider->data() );
00098 }
00099 
00100 void Kleo::QGpgMEEncryptJob::showErrorDialog( QWidget * parent, const QString & caption ) const {
00101   if ( !mResult.error() || mResult.error().isCanceled() )
00102     return;
00103   const QString msg = i18n("Encryption failed: %1")
00104     .arg( QString::fromLocal8Bit( mResult.error().asString() ) );
00105   KMessageBox::error( parent, msg, caption );
00106 }
00107 
00108 #include "qgpgmeencryptjob.moc"
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