kde-playground/kdepim/kleopatra/main.cpp
2015-09-25 11:03:31 +00:00

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/*
main.cpp
This file is part of Kleopatra, the KDE keymanager
Copyright (c) 2001,2002,2004,2008 Klar<61>vdalens 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 "aboutdata.h"
#include "kleopatraapplication.h"
#include "mainwindow.h"
#include <commands/reloadkeyscommand.h>
#include <commands/selftestcommand.h>
#include <utils/gnupg-helper.h>
#include <utils/archivedefinition.h>
#ifdef HAVE_USABLE_ASSUAN
# include <uiserver/uiserver.h>
# include <uiserver/assuancommand.h>
# include <uiserver/echocommand.h>
# include <uiserver/decryptcommand.h>
# include <uiserver/verifycommand.h>
# include <uiserver/decryptverifyfilescommand.h>
# include <uiserver/decryptfilescommand.h>
# include <uiserver/verifyfilescommand.h>
# include <uiserver/prepencryptcommand.h>
# include <uiserver/prepsigncommand.h>
# include <uiserver/encryptcommand.h>
# include <uiserver/signcommand.h>
# include <uiserver/signencryptfilescommand.h>
# include <uiserver/selectcertificatecommand.h>
# include <uiserver/importfilescommand.h>
# include <uiserver/createchecksumscommand.h>
# include <uiserver/verifychecksumscommand.h>
#else
namespace Kleo {
class UiServer;
}
#endif
#include <kleo/checksumdefinition.h>
#include <KDebug>
#include <kcmdlineargs.h>
#include <klocale.h>
#include <kiconloader.h>
#include <ksplashscreen.h>
#include <kmessagebox.h>
#include <QTextDocument> // for Qt::escape
#include <QMessageBox>
#include <QTimer>
#include <QTime>
#include <QEventLoop>
#include <QThreadPool>
#include <gpgme++/global.h>
#include <gpgme++/error.h>
#include <boost/shared_ptr.hpp>
#include <cassert>
using namespace boost;
static const int SPLASHSCREEN_TIMEOUT = 5000; // 5s
namespace {
template <typename T>
boost::shared_ptr<T> make_shared_ptr( T * t ) {
return t ? boost::shared_ptr<T>( t ) : boost::shared_ptr<T>() ;
}
}
static QPixmap UserIcon_nocached( const char * name ) {
// KIconLoader insists on caching all pixmaps. Since the splash
// screen is a particularly large 'icon' and used only once,
// caching is unneccesary and just hurts startup performance.
KIconLoader * const il = KIconLoader::global();
assert( il );
const QString iconPath = il->iconPath( QLatin1String( name ), KIconLoader::User );
return iconPath.isEmpty() ? il->unknown() : QPixmap( iconPath ) ;
}
#ifndef QT_NO_SPLASHSCREEN
class SplashScreen : public KSplashScreen {
QBasicTimer m_timer;
public:
SplashScreen()
: KSplashScreen( UserIcon_nocached( "kleopatra_splashscreen" ), Qt::WindowStaysOnTopHint ),
m_timer()
{
m_timer.start( SPLASHSCREEN_TIMEOUT, this );
}
protected:
void timerEvent( QTimerEvent * ev ) {
if ( ev->timerId() == m_timer.timerId() ) {
m_timer.stop();
hide();
} else {
KSplashScreen::timerEvent( ev );
}
}
};
#else
class SplashScreen {};
#endif // QT_NO_SPLASHSCREEN
static bool selfCheck( SplashScreen & splash ) {
#ifndef QT_NO_SPLASHSCREEN
splash.showMessage( i18n("Performing Self-Check...") );
#endif
Kleo::Commands::SelfTestCommand cmd( 0 );
cmd.setAutoDelete( false );
cmd.setAutomaticMode( true );
#ifndef QT_NO_SPLASHSCREEN
cmd.setSplashScreen( &splash );
#endif
QEventLoop loop;
QObject::connect( &cmd, SIGNAL(finished()), &loop, SLOT(quit()) );
#ifndef QT_NO_SPLASHSCREEN
QObject::connect( &cmd, SIGNAL(info(QString)), &splash, SLOT(showMessage(QString)) );
#endif
QTimer::singleShot( 0, &cmd, SLOT(start()) ); // start() may emit finished()...
loop.exec();
if ( cmd.isCanceled() ) {
#ifndef QT_NO_SPLASHSCREEN
splash.showMessage( i18nc("did not pass", "Self-Check Failed") );
#endif
return false;
} else {
#ifndef QT_NO_SPLASHSCREEN
splash.showMessage( i18n("Self-Check Passed") );
#endif
return true;
}
}
static void fillKeyCache( SplashScreen * splash, Kleo::UiServer * server ) {
QEventLoop loop;
Kleo::ReloadKeysCommand * cmd = new Kleo::ReloadKeysCommand( 0 );
QObject::connect( cmd, SIGNAL(finished()), &loop, SLOT(quit()) );
#ifdef HAVE_USABLE_ASSUAN
QObject::connect( cmd, SIGNAL(finished()), server, SLOT(enableCryptoCommands()) );
#else
Q_UNUSED( server );
#endif
#ifndef QT_NO_SPLASHSCREEN
splash->showMessage( i18n("Loading certificate cache...") );
#else
Q_UNUSED( splash );
#endif
cmd->start();
loop.exec();
#ifndef QT_NO_SPLASHSCREEN
splash->showMessage( i18n("Certificate cache loaded.") );
#endif
}
int main( int argc, char** argv )
{
QTime timer;
timer.start();
const GpgME::Error gpgmeInitError = GpgME::initializeLibrary(0);
{
const unsigned int threads = QThreadPool::globalInstance()->maxThreadCount();
QThreadPool::globalInstance()->setMaxThreadCount( qMax( 2U, threads ) );
}
AboutData aboutData;
KCmdLineArgs::init(argc, argv, &aboutData);
KCmdLineArgs::addCmdLineOptions( KleopatraApplication::commandLineOptions() );
kDebug() << "Statup timing:" << timer.elapsed() << "ms elapsed: Command line args created";
KleopatraApplication app;
kDebug() << "Startup timing:" << timer.elapsed() << "ms elapsed: Application created";
KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
if ( gpgmeInitError ) {
KMessageBox::sorry( 0, i18nc("@info",
"<para>The version of the <application>GpgME</application> library you are running against "
"is older than the one that the <application>GpgME++</application> library was built against.</para>"
"<para><application>Kleopatra</application> will not function in this setting.</para>"
"<para>Please ask your administrator for help in resolving this issue.</para>"),
i18nc("@title", "GpgME Too Old") );
return EXIT_FAILURE;
}
SplashScreen splash;
const QString installPath = Kleo::gpg4winInstallPath();
Kleo::ChecksumDefinition::setInstallPath( installPath );
Kleo::ArchiveDefinition::setInstallPath( installPath );
int rc;
#ifdef HAVE_USABLE_ASSUAN
try {
Kleo::UiServer server( args->getOption("uiserver-socket") );
kDebug() << "Startup timing:" << timer.elapsed() << "ms elapsed: UiServer created";
QObject::connect( &server, SIGNAL(startKeyManagerRequested()),
&app, SLOT(openOrRaiseMainWindow()) );
QObject::connect( &server, SIGNAL(startConfigDialogRequested()),
&app, SLOT(openOrRaiseConfigDialog()) );
#define REGISTER( Command ) server.registerCommandFactory( boost::shared_ptr<Kleo::AssuanCommandFactory>( new Kleo::GenericAssuanCommandFactory<Kleo::Command> ) )
REGISTER( CreateChecksumsCommand );
REGISTER( DecryptCommand );
REGISTER( DecryptFilesCommand );
REGISTER( DecryptVerifyFilesCommand );
REGISTER( EchoCommand );
REGISTER( EncryptCommand );
REGISTER( EncryptFilesCommand );
REGISTER( EncryptSignFilesCommand );
REGISTER( ImportFilesCommand );
REGISTER( PrepEncryptCommand );
REGISTER( PrepSignCommand );
REGISTER( SelectCertificateCommand );
REGISTER( SignCommand );
REGISTER( SignEncryptFilesCommand );
REGISTER( SignFilesCommand );
#ifndef QT_NO_DIRMODEL
REGISTER( VerifyChecksumsCommand );
#endif // QT_NO_DIRMODEL
REGISTER( VerifyCommand );
REGISTER( VerifyFilesCommand );
#undef REGISTER
server.start();
kDebug() << "Startup timing:" << timer.elapsed() << "ms elapsed: UiServer started";
#endif
const bool daemon = args->isSet("daemon");
if ( !daemon && app.isSessionRestored() ) {
app.restoreMainWindow();
}
#ifndef QT_NO_SPLASHSCREEN
// Don't show splash screen if daemon or session restore
if ( !( daemon || app.isSessionRestored() ) )
splash.show();
#endif
if ( !selfCheck( splash ) )
return 1;
kDebug() << "Startup timing:" << timer.elapsed() << "ms elapsed: SelfCheck completed";
#ifdef HAVE_USABLE_ASSUAN
fillKeyCache( &splash, &server );
#else
fillKeyCache( &splash, 0 );
#endif
kDebug() << "Startup timing:" << timer.elapsed() << "ms elapsed: KeyCache loaded";
#ifndef QT_NO_SYSTEMTRAYICON
app.startMonitoringSmartCard();
#endif
app.setIgnoreNewInstance( false );
if ( !daemon ) {
app.newInstance();
app.setFirstNewInstance( false );
kDebug() << "Startup timing:" << timer.elapsed() << "ms elapsed: new instance created";
#ifndef QT_NO_SPLASHSCREEN
splash.finish( app.mainWindow() );
#endif // QT_NO_SPLASHSCREEN
}
rc = app.exec();
#ifdef HAVE_USABLE_ASSUAN
app.setIgnoreNewInstance( true );
QObject::disconnect( &server, SIGNAL(startKeyManagerRequested()),
&app, SLOT(openOrRaiseMainWindow()) );
QObject::disconnect( &server, SIGNAL(startConfigDialogRequested()),
&app, SLOT(openOrRaiseConfigDialog()) );
server.stop();
server.waitForStopped();
} catch ( const std::exception & e ) {
QMessageBox::information( 0, i18n("GPG UI Server Error"),
i18n("<qt>The Kleopatra GPG UI Server Module could not be initialized.<br/>"
"The error given was: <b>%1</b><br/>"
"You can use Kleopatra as a certificate manager, but cryptographic plugins that "
"rely on a GPG UI Server being present might not work correctly, or at all.</qt>",
Qt::escape( QString::fromUtf8( e.what() ) ) ));
#ifndef QT_NO_SYSTEMTRAYICON
app.startMonitoringSmartCard();
#endif
app.setIgnoreNewInstance( false );
rc = app.exec();
app.setIgnoreNewInstance( true );
}
#endif
return rc;
}