129 lines
4.3 KiB
C++
129 lines
4.3 KiB
C++
/*
|
|
qgpgmedecryptjob.cpp
|
|
|
|
This file is part of qgpgme, the Qt API binding for gpgme
|
|
Copyright (c) 2004,2008 Klarälvdalens Datakonsult AB
|
|
Copyright (c) 2016 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.
|
|
*/
|
|
|
|
#include "qgpgmedecryptjob.h"
|
|
|
|
#include "dataprovider.h"
|
|
|
|
#include "context.h"
|
|
#include "decryptionresult.h"
|
|
#include "data.h"
|
|
|
|
#include <QBuffer>
|
|
|
|
#include <cassert>
|
|
|
|
using namespace QGpgME;
|
|
using namespace GpgME;
|
|
|
|
QGpgMEDecryptJob::QGpgMEDecryptJob(Context *context)
|
|
: mixin_type(context)
|
|
{
|
|
lateInitialization();
|
|
}
|
|
|
|
QGpgMEDecryptJob::~QGpgMEDecryptJob() {}
|
|
|
|
static QGpgMEDecryptJob::result_type decrypt(Context *ctx, QThread *thread,
|
|
const std::weak_ptr<QIODevice> &cipherText_,
|
|
const std::weak_ptr<QIODevice> &plainText_)
|
|
{
|
|
|
|
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 DecryptionResult res = ctx->decrypt(indata, outdata);
|
|
Error ae;
|
|
const QString log = _detail::audit_log_as_html(ctx, ae);
|
|
return std::make_tuple(res, out.data(), log, ae);
|
|
} else {
|
|
QGpgME::QIODeviceDataProvider out(plainText);
|
|
Data outdata(&out);
|
|
|
|
const DecryptionResult res = ctx->decrypt(indata, outdata);
|
|
Error ae;
|
|
const QString log = _detail::audit_log_as_html(ctx, ae);
|
|
return std::make_tuple(res, QByteArray(), log, ae);
|
|
}
|
|
|
|
}
|
|
|
|
static QGpgMEDecryptJob::result_type decrypt_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(ctx, 0, buffer, std::shared_ptr<QIODevice>());
|
|
}
|
|
|
|
Error QGpgMEDecryptJob::start(const QByteArray &cipherText)
|
|
{
|
|
run(std::bind(&decrypt_qba, std::placeholders::_1, cipherText));
|
|
return Error();
|
|
}
|
|
|
|
void QGpgMEDecryptJob::start(const std::shared_ptr<QIODevice> &cipherText, const std::shared_ptr<QIODevice> &plainText)
|
|
{
|
|
run(std::bind(&decrypt, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4), cipherText, plainText);
|
|
}
|
|
|
|
GpgME::DecryptionResult QGpgME::QGpgMEDecryptJob::exec(const QByteArray &cipherText,
|
|
QByteArray &plainText)
|
|
{
|
|
const result_type r = decrypt_qba(context(), cipherText);
|
|
plainText = std::get<1>(r);
|
|
resultHook(r);
|
|
return mResult;
|
|
}
|
|
|
|
//PENDING(marc) implement showErrorDialog()
|
|
|
|
void QGpgMEDecryptJob::resultHook(const result_type &tuple)
|
|
{
|
|
mResult = std::get<0>(tuple);
|
|
}
|
|
|
|
#include "qgpgmedecryptjob.moc"
|