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decryptverifycommandemailbase.cpp
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decryptverifycommandemailbase.cpp
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/* -*- mode: c++; c-basic-offset:4 -*-
uiserver/decryptverifycommandemailbase.cpp
This file is part of Kleopatra, the KDE keymanager
Copyright (c) 2007 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 "decryptverifycommandemailbase.h"
#include <crypto/decryptverifytask.h>
#include <crypto/decryptverifyemailcontroller.h>
#include <utils/formatting.h>
#include <models/keycache.h>
#include <utils/hex.h>
#include <utils/input.h>
#include <utils/output.h>
#include <utils/kleo_assert.h>
#include <utils/exception.h>
#include <kleo/cryptobackendfactory.h>
#include <gpgme++/error.h>
#include <gpgme++/key.h>
#include <gpgme++/verificationresult.h>
#include <KLocalizedString>
#include <gpg-error.h>
#include <cassert>
using namespace Kleo;
using namespace Kleo::Crypto;
using namespace Kleo::Formatting;
using namespace GpgME;
using namespace boost;
class DecryptVerifyCommandEMailBase::Private : public QObject {
Q_OBJECT
friend class ::Kleo::DecryptVerifyCommandEMailBase;
DecryptVerifyCommandEMailBase * const q;
public:
explicit Private( DecryptVerifyCommandEMailBase * qq )
: QObject(),
q( qq ),
controller()
{
}
~Private() {
}
void checkForErrors() const;
public Q_SLOTS:
void slotProgress( const QString & what, int current, int total );
void verificationResult( const GpgME::VerificationResult & );
void slotDone() { q->done(); }
void slotError( int err, const QString & details ) { q->done( err, details ); }
public:
private:
shared_ptr<DecryptVerifyEMailController> controller;
};
DecryptVerifyCommandEMailBase::DecryptVerifyCommandEMailBase()
: AssuanCommandMixin<DecryptVerifyCommandEMailBase>(), d( new Private( this ) )
{
}
DecryptVerifyCommandEMailBase::~DecryptVerifyCommandEMailBase() {}
int DecryptVerifyCommandEMailBase::doStart() {
d->checkForErrors();
d->controller.reset( new DecryptVerifyEMailController( shared_from_this() ) );
const QString st = sessionTitle();
if ( !st.isEmpty() )
Q_FOREACH ( const shared_ptr<Input> & i, inputs() )
i->setLabel( st );
d->controller->setSessionId( sessionId() );
d->controller->setOperation( operation() );
d->controller->setVerificationMode( messages().empty() ? Opaque : Detached );
d->controller->setInputs( inputs() );
d->controller->setSignedData( messages() );
d->controller->setOutputs( outputs() );
d->controller->setWizardShown( !hasOption("silent") );
d->controller->setProtocol( checkProtocol( mode() ) );
if ( informativeSenders() )
d->controller->setInformativeSenders( senders() );
QObject::connect( d->controller.get(), SIGNAL(done()),
d.get(), SLOT(slotDone()), Qt::QueuedConnection );
QObject::connect( d->controller.get(), SIGNAL(error(int,QString)),
d.get(), SLOT(slotError(int,QString)), Qt::QueuedConnection );
QObject::connect( d->controller.get(), SIGNAL(verificationResult(GpgME::VerificationResult)),
d.get(), SLOT(verificationResult(GpgME::VerificationResult)), Qt::QueuedConnection );
d->controller->start();
return 0;
}
void DecryptVerifyCommandEMailBase::Private::checkForErrors() const
{
if ( !q->senders().empty() && !q->informativeSenders() )
throw Kleo::Exception( q->makeError( GPG_ERR_CONFLICT ),
i18n("Can not use non-info SENDER") );
if ( !q->recipients().empty() && !q->informativeRecipients() )
throw Kleo::Exception( q->makeError( GPG_ERR_CONFLICT ),
i18n("Can not use non-info RECIPIENT") );
// ### use informative recipients and senders
const unsigned int numInputs = q->inputs().size();
const unsigned int numMessages = q->messages().size();
const unsigned int numOutputs = q->outputs().size();
const unsigned int numInformativeSenders = q->informativeSenders() ? q->senders().size() : 0;
const DecryptVerifyOperation op = q->operation();;
const GpgME::Protocol proto = q->checkProtocol( q->mode() );
const unsigned int numFiles = q->numFiles();
if ( numFiles )
throw Kleo::Exception( q->makeError( GPG_ERR_CONFLICT ), i18n("FILES present") );
if ( !numInputs )
throw Kleo::Exception( q->makeError( GPG_ERR_ASS_NO_INPUT ),
i18n("At least one INPUT needs to be provided") );
if ( numInformativeSenders != 0 )
if ( numInformativeSenders != numInputs )
throw Kleo::Exception( q->makeError( GPG_ERR_ASS_NO_INPUT ), //TODO use better error code if possible
i18n("INPUT/SENDER --info count mismatch") );
if ( numMessages ) {
if ( numMessages != numInputs )
throw Kleo::Exception( q->makeError( GPG_ERR_ASS_NO_INPUT ), //TODO use better error code if possible
i18n("INPUT/MESSAGE count mismatch") );
else if ( op != Verify )
throw Kleo::Exception( q->makeError( GPG_ERR_CONFLICT ),
i18n("MESSAGE can only be given for detached signature verification") );
}
if ( numOutputs ) {
if ( numOutputs != numInputs )
throw Kleo::Exception( q->makeError( GPG_ERR_ASS_NO_OUTPUT ), //TODO use better error code if possible
i18n("INPUT/OUTPUT count mismatch") );
else if ( numMessages )
throw Kleo::Exception( q->makeError( GPG_ERR_CONFLICT ),
i18n("Can not use OUTPUT and MESSAGE simultaneously") );
}
kleo_assert( proto != UnknownProtocol );
const CryptoBackend::Protocol * const backend = CryptoBackendFactory::instance()->protocol( proto );
if ( !backend )
throw Kleo::Exception( q->makeError( GPG_ERR_UNSUPPORTED_PROTOCOL ),
proto == OpenPGP ? i18n("No backend support for OpenPGP") :
proto == CMS ? i18n("No backend support for S/MIME") : QString() );
}
void DecryptVerifyCommandEMailBase::doCanceled() {
if ( d->controller )
d->controller->cancel();
}
void DecryptVerifyCommandEMailBase::Private::slotProgress( const QString& what, int current, int total )
{
// ### FIXME report progress, via sendStatus()
}
void DecryptVerifyCommandEMailBase::Private::verificationResult( const VerificationResult & vResult )
{
try {
const std::vector<Signature> sigs = vResult.signatures();
const std::vector<Key> signers = KeyCache::instance()->findSigners( vResult );
Q_FOREACH ( const Signature & sig, sigs ) {
const QString s = signatureToString( sig, DecryptVerifyResult::keyForSignature( sig, signers ) );
const char * color = summaryToString( sig.summary() );
q->sendStatusEncoded( "SIGSTATUS",
color + ( ' ' + hexencode( s.toUtf8().constData() ) ) );
}
} catch ( ... ) {}
}
#include "decryptverifycommandemailbase.moc"

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