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qgpgmedecryptverifyjob.cpp
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/*
qgpgmedecryptverifyjob.cpp
This file is part of qgpgme, the Qt API binding for gpgme
Copyright (c) 2004,2008 Klarälvdalens Datakonsult AB
Copyright (c) 2016 by Bundesamt für Sicherheit in der Informationstechnik
Software engineering by Intevation GmbH
QGpgME 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.
QGpgME 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 "qgpgmedecryptverifyjob.h"
#include "dataprovider.h"
#include "context.h"
#include "decryptionresult.h"
#include "verificationresult.h"
#include "data.h"
#include <QDebug>
#include "qgpgme_debug.h"
#include <QBuffer>
#include <cassert>
using namespace QGpgME;
using namespace GpgME;
QGpgMEDecryptVerifyJob::QGpgMEDecryptVerifyJob(Context *context)
: mixin_type(context)
{
lateInitialization();
}
QGpgMEDecryptVerifyJob::~QGpgMEDecryptVerifyJob() {}
static QGpgMEDecryptVerifyJob::result_type decrypt_verify(Context *ctx, QThread *thread,
const std::weak_ptr<QIODevice> &cipherText_,
const std::weak_ptr<QIODevice> &plainText_)
{
qCDebug(QGPGME_LOG) << __func__;
const std::shared_ptr<QIODevice> cipherText = cipherText_.lock();
const std::shared_ptr<QIODevice> plainText = plainText_.lock();
const _detail::ToThreadMover ctMover(cipherText, thread);
const _detail::ToThreadMover ptMover(plainText, thread);
QGpgME::QIODeviceDataProvider in(cipherText);
const Data indata(&in);
if (!plainText) {
QGpgME::QByteArrayDataProvider out;
Data outdata(&out);
const std::pair<DecryptionResult, VerificationResult> res = ctx->decryptAndVerify(indata, outdata);
Error ae;
const QString log = _detail::audit_log_as_html(ctx, ae);
qCDebug(QGPGME_LOG) << __func__ << "- End no plainText. Error:" << ae.asString();
return std::make_tuple(res.first, res.second, out.data(), log, ae);
} else {
QGpgME::QIODeviceDataProvider out(plainText);
Data outdata(&out);
const std::pair<DecryptionResult, VerificationResult> res = ctx->decryptAndVerify(indata, outdata);
Error ae;
const QString log = _detail::audit_log_as_html(ctx, ae);
qCDebug(QGPGME_LOG) << __func__ << "- End plainText. Error:" << ae.asString();
return std::make_tuple(res.first, res.second, QByteArray(), log, ae);
}
}
static QGpgMEDecryptVerifyJob::result_type decrypt_verify_qba(Context *ctx, const QByteArray &cipherText)
{
const std::shared_ptr<QBuffer> buffer(new QBuffer);
buffer->setData(cipherText);
if (!buffer->open(QIODevice::ReadOnly)) {
assert(!"This should never happen: QBuffer::open() failed");
}
return decrypt_verify(ctx, nullptr, buffer, std::shared_ptr<QIODevice>());
}
Error QGpgMEDecryptVerifyJob::start(const QByteArray &cipherText)
{
run(std::bind(&decrypt_verify_qba, std::placeholders::_1, cipherText));
return Error();
}
void QGpgMEDecryptVerifyJob::start(const std::shared_ptr<QIODevice> &cipherText, const std::shared_ptr<QIODevice> &plainText)
{
run(std::bind(&decrypt_verify, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4), cipherText, plainText);
}
std::pair<GpgME::DecryptionResult, GpgME::VerificationResult>
QGpgME::QGpgMEDecryptVerifyJob::exec(const QByteArray &cipherText, QByteArray &plainText)
{
const result_type r = decrypt_verify_qba(context(), cipherText);
plainText = std::get<2>(r);
resultHook(r);
return mResult;
}
//PENDING(marc) implement showErrorDialog()
void QGpgMEDecryptVerifyJob::resultHook(const result_type &tuple)
{
mResult = std::make_pair(std::get<0>(tuple), std::get<1>(tuple));
}
#include "qgpgmedecryptverifyjob.moc"

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