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importcrlcommand.cpp
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/* -*- mode: c++; c-basic-offset:4 -*-
commands/importcrlcommand.cpp
This file is part of Kleopatra, the KDE keymanager
Copyright (c) 2008 Klarälvdalens Datakonsult AB
Kleopatra is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Kleopatra is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
In addition, as a special exception, the copyright holders give
permission to link the code of this program with any edition of
the Qt library by Trolltech AS, Norway (or with modified versions
of Qt that use the same license as Qt), and distribute linked
combinations including the two. You must obey the GNU General
Public License in all respects for all of the code used other than
Qt. If you modify this file, you may extend this exception to
your version of the file, but you are not obligated to do so. If
you do not wish to do so, delete this exception statement from
your version.
*/
#include <config-kleopatra.h>
#include "importcrlcommand.h"
#include "command_p.h"
#include <QString>
#include <QByteArray>
#include <QTimer>
#include <QFileDialog>
#include <KProcess>
#include <KMessageBox>
#include <KLocale>
static const int PROCESS_TERMINATE_TIMEOUT = 5000; // milliseconds
using namespace Kleo;
using namespace Kleo::Commands;
class ImportCrlCommand::Private : Command::Private {
friend class ::Kleo::Commands::ImportCrlCommand;
ImportCrlCommand * q_func() const { return static_cast<ImportCrlCommand*>( q ); }
public:
explicit Private( ImportCrlCommand * qq, KeyListController * c );
~Private();
QString errorString() const {
return QString::fromLocal8Bit( errorBuffer );
}
private:
void init();
QStringList getFileNames() {
// loadcrl can only work with DER encoded files
// (verified with dirmngr 1.0.3)
const QString filter = i18n("Certificate Revocation Lists, DER encoded (*.crl *.arl *-crl.der *-arl.der)");
return QFileDialog::getOpenFileNames( parentWidgetOrView(), i18n("Select CRL File to Import"),
QString(), filter );
}
private:
void slotProcessFinished( int, QProcess::ExitStatus );
void slotProcessReadyReadStandardError();
private:
QStringList files;
KProcess process;
QByteArray errorBuffer;
bool canceled;
};
ImportCrlCommand::Private * ImportCrlCommand::d_func() { return static_cast<Private*>( d.get() ); }
const ImportCrlCommand::Private * ImportCrlCommand::d_func() const { return static_cast<const Private*>( d.get() ); }
#define d d_func()
#define q q_func()
ImportCrlCommand::Private::Private( ImportCrlCommand * qq, KeyListController * c )
: Command::Private( qq, c ),
files(),
process(),
errorBuffer(),
canceled( false )
{
process.setOutputChannelMode( KProcess::OnlyStderrChannel );
process << "gpgsm" << "--call-dirmngr" << "loadcrl";
}
ImportCrlCommand::Private::~Private() {}
ImportCrlCommand::ImportCrlCommand( KeyListController * c )
: Command( new Private( this, c ) )
{
d->init();
}
ImportCrlCommand::ImportCrlCommand( QAbstractItemView * v, KeyListController * c )
: Command( v, new Private( this, c ) )
{
d->init();
}
ImportCrlCommand::ImportCrlCommand( const QStringList & files, KeyListController * c )
: Command( new Private( this, c ) )
{
d->init();
d->files = files;
}
ImportCrlCommand::ImportCrlCommand( const QStringList & files, QAbstractItemView * v, KeyListController * c )
: Command( v, new Private( this, c ) )
{
d->init();
d->files = files;
}
void ImportCrlCommand::Private::init() {
connect( &process, SIGNAL(finished(int,QProcess::ExitStatus)),
q, SLOT(slotProcessFinished(int,QProcess::ExitStatus)) );
connect( &process, SIGNAL(readyReadStandardError()),
q, SLOT(slotProcessReadyReadStandardError()) );
}
ImportCrlCommand::~ImportCrlCommand() {}
void ImportCrlCommand::setFiles( const QStringList & files ) {
d->files = files;
}
void ImportCrlCommand::doStart() {
if ( d->files.empty() )
d->files = d->getFileNames();
if ( d->files.empty() ) {
emit canceled();
d->finished();
}
d->process << d->files;
d->process.start();
if ( !d->process.waitForStarted() ) {
KMessageBox::error( d->parentWidgetOrView(),
i18n( "Unable to start process dirmngr. "
"Please check your installation." ),
i18n( "Clear CRL Cache Error" ) );
finished();
}
}
void ImportCrlCommand::doCancel() {
d->canceled = true;
if ( d->process.state() != QProcess::NotRunning ) {
d->process.terminate();
QTimer::singleShot( PROCESS_TERMINATE_TIMEOUT, &d->process, SLOT(kill()) );
}
}
void ImportCrlCommand::Private::slotProcessFinished( int code, QProcess::ExitStatus status ) {
if ( !canceled )
if ( status == QProcess::CrashExit )
KMessageBox::error( parentWidgetOrView(),
i18n( "The GpgSM process that tried to import the CRL file "
"ended prematurely because of an unexpected error. "
"Please check the output of gpgsm --call-dirmngr loadcrl &lt;filename&gt; for details." ),
i18n( "Import CRL Error" ) );
else if ( code )
KMessageBox::error( parentWidgetOrView(),
i18n( "An error occurred while trying to import the CRL file. "
"The output from gpgsm was:\n%1", errorString() ),
i18n( "Import CRL Error" ) );
else
KMessageBox::information( parentWidgetOrView(),
i18n( "CRL file imported successfully." ),
i18n( "Import CRL Finished" ) );
finished();
}
void ImportCrlCommand::Private::slotProcessReadyReadStandardError() {
errorBuffer += process.readAllStandardError();
}
#undef d
#undef q
#include "moc_importcrlcommand.cpp"

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