certmanager/lib

qgpgmesignjob.cpp

00001 /*
00002     qgpgmesignjob.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 "qgpgmesignjob.h"
00038 
00039 #include <qgpgme/eventloopinteractor.h>
00040 #include <qgpgme/dataprovider.h>
00041 
00042 #include <gpgmepp/context.h>
00043 #include <gpgmepp/signingresult.h>
00044 #include <gpgmepp/data.h>
00045 #include <gpgmepp/key.h>
00046 
00047 #include <kmessagebox.h>
00048 #include <klocale.h>
00049 
00050 #include <assert.h>
00051 
00052 Kleo::QGpgMESignJob::QGpgMESignJob( GpgME::Context * context )
00053   : SignJob( QGpgME::EventLoopInteractor::instance(), "Kleo::QGpgMESignJob" ),
00054     QGpgMEJob( this, context )
00055 {
00056   assert( context );
00057 }
00058 
00059 Kleo::QGpgMESignJob::~QGpgMESignJob() {
00060 }
00061 
00062 GpgME::Error Kleo::QGpgMESignJob::setup( const std::vector<GpgME::Key> & signers,
00063                      const QByteArray & plainText ) {
00064   assert( !mInData );
00065   assert( !mOutData );
00066 
00067   createInData( plainText );
00068   createOutData();
00069 
00070   return setSigningKeys( signers );
00071 }
00072 
00073 GpgME::Error Kleo::QGpgMESignJob::start( const std::vector<GpgME::Key> & signers,
00074                      const QByteArray & plainText,
00075                      GpgME::Context::SignatureMode mode ) {
00076   if ( const GpgME::Error error = setup( signers, plainText ) ) {
00077     deleteLater();
00078     return error;
00079   }
00080 
00081   hookupContextToEventLoopInteractor();
00082 
00083   const GpgME::Error err = mCtx->startSigning( *mInData, *mOutData, mode );
00084                           
00085   if ( err )
00086     deleteLater();
00087   return err;
00088 }
00089 
00090 GpgME::SigningResult Kleo::QGpgMESignJob::exec( const std::vector<GpgME::Key> & signers,
00091                         const QByteArray & plainText,
00092                         GpgME::Context::SignatureMode mode,
00093                         QByteArray & signature ) {
00094   if ( const GpgME::Error err = setup( signers, plainText ) )
00095     return mResult = GpgME::SigningResult( 0, err );
00096   mResult = mCtx->sign( *mInData, *mOutData, mode );
00097   signature = mOutDataDataProvider->data();
00098   return mResult;
00099 }
00100 
00101 void Kleo::QGpgMESignJob::doOperationDoneEvent( const GpgME::Error & ) {
00102   emit result( mResult, mOutDataDataProvider->data() );
00103 }
00104 
00105 void Kleo::QGpgMESignJob::showErrorDialog( QWidget * parent, const QString & caption ) const {
00106   if ( !mResult.error() || mResult.error().isCanceled() )
00107     return;
00108   const QString msg = i18n("Signing failed: %1")
00109     .arg( QString::fromLocal8Bit( mResult.error().asString() ) );
00110   KMessageBox::error( parent, msg, caption );
00111 }
00112 
00113 #include "qgpgmesignjob.moc"
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