diff options
Diffstat (limited to 'certmanager/lib/backends/chiasmus/chiasmusjob.cpp')
-rw-r--r-- | certmanager/lib/backends/chiasmus/chiasmusjob.cpp | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/certmanager/lib/backends/chiasmus/chiasmusjob.cpp b/certmanager/lib/backends/chiasmus/chiasmusjob.cpp new file mode 100644 index 000000000..3ac7513df --- /dev/null +++ b/certmanager/lib/backends/chiasmus/chiasmusjob.cpp @@ -0,0 +1,220 @@ +/* + chiasmusjob.cpp + + This file is part of libkleopatra, the KDE keymanagement library + Copyright (c) 2005 Klarälvdalens Datakonsult AB + + Libkleopatra 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. + + Libkleopatra 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. +*/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "chiasmusjob.h" +#include "chiasmusbackend.h" +#include "symcryptrunprocessbase.h" + +#include "kleo/cryptoconfig.h" +#include "ui/passphrasedialog.h" + +#include <gpg-error.h> + +#include <kshell.h> +#include <klocale.h> +#include <kdebug.h> +#include <kmessagebox.h> + +#include <qtimer.h> +#include <qfileinfo.h> +#include <qvariant.h> + +#include <memory> + +#include <cassert> + +Kleo::ChiasmusJob::ChiasmusJob( Mode mode ) + : Kleo::SpecialJob( 0, 0 ), + mSymCryptRun( 0 ), + mError( 0 ), + mCanceled( false ), + mTimeout( false ), + mMode( mode ) +{ + +} + +Kleo::ChiasmusJob::~ChiasmusJob() {} + +GpgME::Error Kleo::ChiasmusJob::setup() { + if ( !checkPreconditions() ) + return mError = gpg_error( GPG_ERR_INV_VALUE ); + + const Kleo::CryptoConfigEntry * class_ + = ChiasmusBackend::instance()->config()->entry( "Chiasmus", "General", "symcryptrun-class" ); + const Kleo::CryptoConfigEntry * chiasmus + = ChiasmusBackend::instance()->config()->entry( "Chiasmus", "General", "path" ); + const Kleo::CryptoConfigEntry * timeoutEntry + = ChiasmusBackend::instance()->config()->entry( "Chiasmus", "General", "timeout" ); + if ( !class_ || !chiasmus || !timeoutEntry ) + return mError = gpg_error( GPG_ERR_INTERNAL ); + + mSymCryptRun = new SymCryptRunProcessBase( class_->stringValue(), + KShell::tildeExpand( chiasmus->urlValue().path() ), + mKey, mOptions, + mMode == Encrypt + ? SymCryptRunProcessBase::Encrypt + : SymCryptRunProcessBase::Decrypt, + this, "symcryptrun" ); + QTimer::singleShot( timeoutEntry->uintValue() * 1000, this, + SLOT( slotTimeout() ) ); + return 0; +} + +namespace { + struct LaterDeleter { + QObject * _this; + LaterDeleter( QObject * o ) : _this( o ) {} + ~LaterDeleter() { if ( _this ) _this->deleteLater(); } + void disable() { _this = 0; } + }; +} + +GpgME::Error Kleo::ChiasmusJob::start() { + + LaterDeleter d( this ); + + if ( const GpgME::Error err = setup() ) + return mError = err; + + connect( mSymCryptRun, SIGNAL(processExited(KProcess*)), + this, SLOT(slotProcessExited(KProcess*)) ); + + if ( !mSymCryptRun->launch( mInput ) ) + return mError = gpg_error( GPG_ERR_ENOENT ); // what else? + + d.disable(); + return mError = 0; +} + +GpgME::Error Kleo::ChiasmusJob::slotProcessExited( KProcess * proc ) { + if ( proc != mSymCryptRun ) + mError = gpg_error( GPG_ERR_INTERNAL ); + else if ( mCanceled ) + mError = gpg_error( GPG_ERR_CANCELED ); + else if ( mTimeout ) + mError = gpg_error( GPG_ERR_TIMEOUT ); + else if ( !proc->normalExit() ) + mError = gpg_error( GPG_ERR_GENERAL ); + else + switch ( proc->exitStatus() ) { + case 0: // success + mOutput = mSymCryptRun->output(); + mError = 0; + break; + default: + case 1: // Some error occured + mStderr = mSymCryptRun->stdErr(); + mError = gpg_error( GPG_ERR_GENERAL ); + break; + case 2: // No valid passphrase was provided + mError = gpg_error( GPG_ERR_INV_PASSPHRASE ); + break; + case 3: // Canceled + mError = gpg_error( GPG_ERR_CANCELED ); + break; + } + + const Kleo::CryptoConfigEntry * showOutput + = ChiasmusBackend::instance()->config()->entry( "Chiasmus", "General", "show-output" ); + if ( showOutput && showOutput->boolValue() ) { + showChiasmusOutput(); + } + + emit done(); + emit SpecialJob::result( mError, QVariant( mOutput ) ); + return mError; +} + +void Kleo::ChiasmusJob::showChiasmusOutput() { + kdDebug() << k_funcinfo << endl; + if ( mStderr.isEmpty() ) + return; + KMessageBox::information( 0 /*how to get a parent widget?*/, + mStderr, + i18n( "Output from chiasmus" ) ); +} + +GpgME::Error Kleo::ChiasmusJob::exec() { + if ( const GpgME::Error err = setup() ) + return mError = err; + + if ( !mSymCryptRun->launch( mInput, KProcess::Block ) ) { + delete mSymCryptRun; mSymCryptRun = 0; + return mError = gpg_error( GPG_ERR_ENOENT ); // what else? + } + + const GpgME::Error err = slotProcessExited( mSymCryptRun ); + delete mSymCryptRun; mSymCryptRun = 0; + return err; +} + +bool Kleo::ChiasmusJob::checkPreconditions() const { + return !mKey.isEmpty(); +} + +void Kleo::ChiasmusJob::slotCancel() { + if ( mSymCryptRun ) + mSymCryptRun->kill(); + mCanceled = true; +} + +void Kleo::ChiasmusJob::slotTimeout() { + if ( !mSymCryptRun ) + return; + mSymCryptRun->kill(); + mTimeout = true; +} + + +void Kleo::ChiasmusJob::showErrorDialog( QWidget * parent, const QString & caption ) const { + if ( !mError ) + return; + if ( mError.isCanceled() ) + return; + const QString msg = ( mMode == Encrypt + ? i18n( "Encryption failed: %1" ) + : i18n( "Decryption failed: %1" ) ) + .arg( QString::fromLocal8Bit( mError.asString() ) ); + if ( !mStderr.isEmpty() ) { + const QString details = i18n( "The following was received on stderr:\n%1" ).arg( mStderr ); + KMessageBox::detailedError( parent, msg, details, caption ); + } else { + KMessageBox::error( parent, msg, caption ); + } +} + +#include "chiasmusjob.moc" |