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/*
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qgpgmesignjob.cpp
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This file is part of qgpgme, the Qt API binding for gpgme
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Copyright (c) 2004,2007,2008 Klarälvdalens Datakonsult AB
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Copyright (c) 2016 by Bundesamt für Sicherheit in der Informationstechnik
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Software engineering by Intevation GmbH
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QGpgME is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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QGpgME is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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In addition, as a special exception, the copyright holders give
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permission to link the code of this program with any edition of
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the Qt library by Trolltech AS, Norway (or with modified versions
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of Qt that use the same license as Qt), and distribute linked
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combinations including the two. You must obey the GNU General
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Public License in all respects for all of the code used other than
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Qt. If you modify this file, you may extend this exception to
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your version of the file, but you are not obligated to do so. If
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you do not wish to do so, delete this exception statement from
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your version.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "qgpgmesignjob.h"
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#include "dataprovider.h"
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#include "context.h"
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#include "signingresult.h"
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#include "data.h"
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#include <QBuffer>
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#include <cassert>
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using namespace QGpgME;
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using namespace GpgME;
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QGpgMESignJob::QGpgMESignJob(Context *context)
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: mixin_type(context),
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mOutputIsBase64Encoded(false)
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{
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lateInitialization();
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}
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QGpgMESignJob::~QGpgMESignJob() {}
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void QGpgMESignJob::setOutputIsBase64Encoded(bool on)
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{
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mOutputIsBase64Encoded = on;
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}
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static QGpgMESignJob::result_type sign(Context *ctx, QThread *thread,
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const std::vector<Key> &signers,
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const std::weak_ptr<QIODevice> &plainText_,
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const std::weak_ptr<QIODevice> &signature_,
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SignatureMode mode,
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bool outputIsBsse64Encoded)
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{
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const std::shared_ptr<QIODevice> plainText = plainText_.lock();
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const std::shared_ptr<QIODevice> signature = signature_.lock();
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const _detail::ToThreadMover ptMover(plainText, thread);
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const _detail::ToThreadMover sgMover(signature, thread);
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QGpgME::QIODeviceDataProvider in(plainText);
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const Data indata(&in);
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ctx->clearSigningKeys();
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Q_FOREACH (const Key &signer, signers)
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if (!signer.isNull())
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if (const Error err = ctx->addSigningKey(signer)) {
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return std::make_tuple(SigningResult(err), QByteArray(), QString(), Error());
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}
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if (!signature) {
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QGpgME::QByteArrayDataProvider out;
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Data outdata(&out;;
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if (outputIsBsse64Encoded) {
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outdata.setEncoding(Data::Base64Encoding);
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}
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const SigningResult res = ctx->sign(indata, outdata, mode);
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Error ae;
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const QString log = _detail::audit_log_as_html(ctx, ae);
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return std::make_tuple(res, out.data(), log, ae);
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} else {
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QGpgME::QIODeviceDataProvider out(signature);
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Data outdata(&out;;
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if (outputIsBsse64Encoded) {
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outdata.setEncoding(Data::Base64Encoding);
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}
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const SigningResult res = ctx->sign(indata, outdata, mode);
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Error ae;
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const QString log = _detail::audit_log_as_html(ctx, ae);
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return std::make_tuple(res, QByteArray(), log, ae);
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}
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}
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static QGpgMESignJob::result_type sign_qba(Context *ctx,
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const std::vector<Key> &signers,
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const QByteArray &plainText,
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SignatureMode mode,
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bool outputIsBsse64Encoded)
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{
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const std::shared_ptr<QBuffer> buffer(new QBuffer);
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buffer->setData(plainText);
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if (!buffer->open(QIODevice::ReadOnly)) {
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assert(!"This should never happen: QBuffer::open() failed");
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}
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return sign(ctx, nullptr, signers, buffer, std::shared_ptr<QIODevice>(), mode, outputIsBsse64Encoded);
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}
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Error QGpgMESignJob::start(const std::vector<Key> &signers, const QByteArray &plainText, SignatureMode mode)
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{
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run(std::bind(&sign_qba, std::placeholders::_1, signers, plainText, mode, mOutputIsBase64Encoded));
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return Error();
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}
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void QGpgMESignJob::start(const std::vector<Key> &signers, const std::shared_ptr<QIODevice> &plainText, const std::shared_ptr<QIODevice> &signature, SignatureMode mode)
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{
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run(std::bind(&sign, std::placeholders::_1, std::placeholders::_2, signers, std::placeholders::_3, std::placeholders::_4, mode, mOutputIsBase64Encoded), plainText, signature);
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}
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SigningResult QGpgMESignJob::exec(const std::vector<Key> &signers, const QByteArray &plainText, SignatureMode mode, QByteArray &signature)
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{
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const result_type r = sign_qba(context(), signers, plainText, mode, mOutputIsBase64Encoded);
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signature = std::get<1>(r);
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resultHook(r);
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return mResult;
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}
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void QGpgMESignJob::resultHook(const result_type &tuple)
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{
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mResult = std::get<0>(tuple);
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}
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#if 0
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TODO port
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void QGpgMESignJob::showErrorDialog(QWidget *parent, const QString &caption) const
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{
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if (mResult.error() && !mResult.error().isCanceled()) {
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MessageBox::error(parent, mResult, this, caption);
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}
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}
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#endif
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#include "qgpgmesignjob.moc"
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