certmanager/lib

obtainkeysjob.cpp

00001 /*
00002     obtainkeysjob.cpp
00003 
00004     This file is part of libkleopatra, the KDE keymanagement library
00005     Copyright (c) 2005 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 "obtainkeysjob.h"
00038 
00039 #include "chiasmusbackend.h"
00040 
00041 #include "kleo/cryptoconfig.h"
00042 
00043 #include <klocale.h>
00044 #include <kmessagebox.h>
00045 #include <kshell.h>
00046 
00047 #include <qdir.h>
00048 #include <qstringlist.h>
00049 #include <qvariant.h>
00050 #include <qtimer.h>
00051 #include <qfileinfo.h>
00052 
00053 #include <gpg-error.h>
00054 
00055 #include <cassert>
00056 
00057 Kleo::ObtainKeysJob::ObtainKeysJob()
00058   : SpecialJob( 0, 0 ),
00059     mIndex( 0 ),
00060     mCanceled( false )
00061 {
00062   assert( ChiasmusBackend::instance() );
00063   assert( ChiasmusBackend::instance()->config() );
00064   const CryptoConfigEntry * keypaths =
00065     ChiasmusBackend::instance()->config()->entry( "Chiasmus", "General", "keydir" );
00066   assert( keypaths );
00067   mKeyPaths = QStringList( keypaths->urlValue().path() );
00068 }
00069 
00070 Kleo::ObtainKeysJob::~ObtainKeysJob() {}
00071 
00072 GpgME::Error Kleo::ObtainKeysJob::start() {
00073   QTimer::singleShot( 0, this, SLOT(slotPerform()) );
00074   return mError = 0;
00075 }
00076 
00077 GpgME::Error Kleo::ObtainKeysJob::exec() {
00078   slotPerform( false );
00079   return mError;
00080 }
00081 
00082 void Kleo::ObtainKeysJob::slotCancel() {
00083   mCanceled = true;
00084 }
00085 
00086 void Kleo::ObtainKeysJob::slotPerform() {
00087   slotPerform( true );
00088 }
00089 
00090 void Kleo::ObtainKeysJob::slotPerform( bool async ) {
00091   if ( mCanceled && !mError )
00092     mError = gpg_error( GPG_ERR_CANCELED );
00093   if ( mIndex >= mKeyPaths.size() || mError ) {
00094     emit done();
00095     emit SpecialJob::result( mError, QVariant( mResult ) );
00096     return;
00097   }
00098 
00099   emit progress( i18n( "Scanning directory %1..." ).arg( mKeyPaths[mIndex] ),
00100                  mIndex, mKeyPaths.size() );
00101 
00102   const QDir dir( KShell::tildeExpand( mKeyPaths[mIndex] ) );
00103 
00104   if ( const QFileInfoList * xisFiles = dir.entryInfoList( "*.xis;*.XIS", QDir::Files ) )
00105     for ( QFileInfoList::const_iterator it = xisFiles->begin(), end = xisFiles->end() ; it != end ; ++it )
00106       if ( (*it)->isReadable() )
00107         mResult.push_back( (*it)->absFilePath() );
00108 
00109   ++mIndex;
00110 
00111   if ( async )
00112     QTimer::singleShot( 0, this, SLOT(slotPerform()) );
00113   else
00114     slotPerform( false );
00115 }
00116 
00117 void Kleo::ObtainKeysJob::showErrorDialog( QWidget * parent, const QString & caption ) const {
00118   if ( !mError )
00119     return;
00120   if ( mError.isCanceled() )
00121     return;
00122   const QString msg = QString::fromUtf8( mError.asString() );
00123   KMessageBox::error( parent, msg, caption );
00124 }
00125 
00126 #include "obtainkeysjob.moc"
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