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   return err;
00089 }
00090 
00091 std::pair<GpgME::SigningResult,GpgME::EncryptionResult>
00092 Kleo::QGpgMESignEncryptJob::exec( const std::vector<GpgME::Key> & signers,
00093                   const std::vector<GpgME::Key> & recipients,
00094                   const QByteArray & plainText, bool alwaysTrust,
00095                   QByteArray & cipherText ) {
00096   if ( GpgME::Error err = setup( signers, plainText ) )
00097     return std::make_pair( GpgME::SigningResult( 0, err ), GpgME::EncryptionResult() );
00098   const GpgME::Context::EncryptionFlags flags =
00099     alwaysTrust ? GpgME::Context::AlwaysTrust : GpgME::Context::None ;
00100   const std::pair<GpgME::SigningResult,GpgME::EncryptionResult> result =
00101     mCtx->signAndEncrypt( recipients, *mInData, *mOutData, flags );
00102   cipherText = mOutDataDataProvider->data();
00103   return result;
00104 }
00105 
00106 void Kleo::QGpgMESignEncryptJob::doOperationDoneEvent( const GpgME::Error & ) {
00107   emit result( mCtx->signingResult(),
00108            mCtx->encryptionResult(),
00109            mOutDataDataProvider->data() );
00110 }
00111 
00112 void Kleo::QGpgMESignEncryptJob::showErrorDialog( QWidget * parent, const QString & caption ) const {
00113   if ( !mResult.first.error() && !mResult.second.error() )
00114     return;
00115   if ( mResult.first.error().isCanceled() || mResult.second.error().isCanceled() )
00116     return;
00117   const QString msg = mResult.first.error()
00118     ? i18n("Signing failed: %1" ).arg( QString::fromLocal8Bit( mResult.first.error().asString() ) )
00119     : i18n("Encryption failed: %1").arg( QString::fromLocal8Bit( mResult.second.error().asString() ) ) ;
00120   KMessageBox::error( parent, msg, caption );
00121 }
00122 
00123 #include "qgpgmesignencryptjob.moc"
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