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/*
qgpgmesignencryptjob.cpp
This file is part of qgpgme, the Qt API binding for gpgme
Copyright (c) 2004, 2007 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 "qgpgmesignencryptjob.h"
#include "dataprovider.h"
#include "context.h"
#include "data.h"
#include "key.h"
#include "exception.h"
#include <QBuffer>
#include <cassert>
using namespace QGpgME;
using namespace GpgME;
QGpgMESignEncryptJob::QGpgMESignEncryptJob(Context *context)
: mixin_type(context),
mOutputIsBase64Encoded(false)
{
lateInitialization();
}
QGpgMESignEncryptJob::~QGpgMESignEncryptJob() {}
void QGpgMESignEncryptJob::setOutputIsBase64Encoded(bool on)
{
mOutputIsBase64Encoded = on;
}
static QGpgMESignEncryptJob::result_type sign_encrypt(Context *ctx, QThread *thread, const std::vector<Key> &signers,
const std::vector<Key> &recipients, const std::weak_ptr<QIODevice> &plainText_,
const std::weak_ptr<QIODevice> &cipherText_, const Context::EncryptionFlags eflags, bool outputIsBsse64Encoded)
{
const std::shared_ptr<QIODevice> &plainText = plainText_.lock();
const std::shared_ptr<QIODevice> &cipherText = cipherText_.lock();
const _detail::ToThreadMover ctMover(cipherText, thread);
const _detail::ToThreadMover ptMover(plainText, thread);
QGpgME::QIODeviceDataProvider in(plainText);
const Data indata(&in);
ctx->clearSigningKeys();
Q_FOREACH (const Key &signer, signers)
if (!signer.isNull())
if (const Error err = ctx->addSigningKey(signer)) {
return std::make_tuple(SigningResult(err), EncryptionResult(), QByteArray(), QString(), Error());
}
if (!cipherText) {
QGpgME::QByteArrayDataProvider out;
Data outdata(&out);
if (outputIsBsse64Encoded) {
outdata.setEncoding(Data::Base64Encoding);
}
const std::pair<SigningResult, EncryptionResult> res = ctx->signAndEncrypt(recipients, indata, outdata, eflags);
Error ae;
const QString log = _detail::audit_log_as_html(ctx, ae);
return std::make_tuple(res.first, res.second, out.data(), log, ae);
} else {
QGpgME::QIODeviceDataProvider out(cipherText);
Data outdata(&out);
if (outputIsBsse64Encoded) {
outdata.setEncoding(Data::Base64Encoding);
}
const std::pair<SigningResult, EncryptionResult> res = ctx->signAndEncrypt(recipients, indata, outdata, eflags);
Error ae;
const QString log = _detail::audit_log_as_html(ctx, ae);
return std::make_tuple(res.first, res.second, QByteArray(), log, ae);
}
}
static QGpgMESignEncryptJob::result_type sign_encrypt_qba(Context *ctx, const std::vector<Key> &signers,
const std::vector<Key> &recipients, const QByteArray &plainText, const Context::EncryptionFlags eflags, bool outputIsBsse64Encoded)
{
const std::shared_ptr<QBuffer> buffer(new QBuffer);
buffer->setData(plainText);
if (!buffer->open(QIODevice::ReadOnly)) {
assert(!"This should never happen: QBuffer::open() failed");
}
return sign_encrypt(ctx, 0, signers, recipients, buffer, std::shared_ptr<QIODevice>(), eflags, outputIsBsse64Encoded);
}
Error QGpgMESignEncryptJob::start(const std::vector<Key> &signers, const std::vector<Key> &recipients, const QByteArray &plainText, bool alwaysTrust)
{
run(std::bind(&sign_encrypt_qba, std::placeholders::_1, signers, recipients, plainText, alwaysTrust ? Context::AlwaysTrust : Context::None, mOutputIsBase64Encoded));
return Error();
}
void QGpgMESignEncryptJob::start(const std::vector<Key> &signers, const std::vector<Key> &recipients,
const std::shared_ptr<QIODevice> &plainText, const std::shared_ptr<QIODevice> &cipherText, const Context::EncryptionFlags eflags)
{
run(std::bind(&sign_encrypt, std::placeholders::_1, std::placeholders::_2, signers, recipients, std::placeholders::_3, std::placeholders::_4, eflags, mOutputIsBase64Encoded), plainText, cipherText);
}
void QGpgMESignEncryptJob::start(const std::vector<Key> &signers, const std::vector<Key> &recipients, const std::shared_ptr<QIODevice> &plainText, const std::shared_ptr<QIODevice> &cipherText, bool alwaysTrust)
{
return start(signers, recipients, plainText, cipherText, alwaysTrust ? Context::AlwaysTrust : Context::None);
}
std::pair<SigningResult, EncryptionResult> QGpgMESignEncryptJob::exec(const std::vector<Key> &signers, const std::vector<Key> &recipients, const QByteArray &plainText, const Context::EncryptionFlags eflags, QByteArray &cipherText)
{
const result_type r = sign_encrypt_qba(context(), signers, recipients, plainText, eflags, mOutputIsBase64Encoded);
cipherText = std::get<2>(r);
resultHook(r);
return mResult;
}
std::pair<SigningResult, EncryptionResult> QGpgMESignEncryptJob::exec(const std::vector<Key> &signers, const std::vector<Key> &recipients, const QByteArray &plainText, bool alwaysTrust, QByteArray &cipherText)
{
return exec(signers, recipients, plainText, alwaysTrust ? Context::AlwaysTrust : Context::None, cipherText);
}
#if 0
TODO port?
void QGpgMESignEncryptJob::showErrorDialog(QWidget *parent, const QString &caption) const
{
if ((mResult.first.error() && !mResult.first.error().isCanceled()) ||
(mResult.second.error() && !mResult.second.error().isCanceled())) {
MessageBox::error(parent, mResult.first, mResult.second, this, caption);
}
}
#endif
void QGpgMESignEncryptJob::resultHook(const result_type &tuple)
{
mResult = std::make_pair(std::get<0>(tuple), std::get<1>(tuple));
}
#include "qgpgmesignencryptjob.moc"
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