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/*
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qgpgmesignencryptjob.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 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 "qgpgmesignencryptjob.h"
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#include "dataprovider.h"
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#include "context.h"
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#include "data.h"
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#include "key.h"
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#include "exception.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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QGpgMESignEncryptJob::QGpgMESignEncryptJob(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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QGpgMESignEncryptJob::~QGpgMESignEncryptJob() {}
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void QGpgMESignEncryptJob::setOutputIsBase64Encoded(bool on)
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{
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mOutputIsBase64Encoded = on;
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}
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static QGpgMESignEncryptJob::result_type sign_encrypt(Context *ctx, QThread *thread, const std::vector<Key> &signers,
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const std::vector<Key> &recipients, const std::weak_ptr<QIODevice> &plainText_,
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const std::weak_ptr<QIODevice> &cipherText_, const Context::EncryptionFlags eflags, 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> &cipherText = cipherText_.lock();
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const _detail::ToThreadMover ctMover(cipherText, thread);
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const _detail::ToThreadMover ptMover(plainText, 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), EncryptionResult(), QByteArray(), QString(), Error());
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}
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if (!cipherText) {
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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 std::pair<SigningResult, EncryptionResult> res = ctx->signAndEncrypt(recipients, indata, outdata, eflags);
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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.first, res.second, out.data(), log, ae);
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} else {
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QGpgME::QIODeviceDataProvider out(cipherText);
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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 std::pair<SigningResult, EncryptionResult> res = ctx->signAndEncrypt(recipients, indata, outdata, eflags);
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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.first, res.second, QByteArray(), log, ae);
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}
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}
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static QGpgMESignEncryptJob::result_type sign_encrypt_qba(Context *ctx, const std::vector<Key> &signers,
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const std::vector<Key> &recipients, const QByteArray &plainText, const Context::EncryptionFlags eflags, 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_encrypt(ctx, 0, signers, recipients, buffer, std::shared_ptr<QIODevice>(), eflags, outputIsBsse64Encoded);
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}
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Error QGpgMESignEncryptJob::start(const std::vector<Key> &signers, const std::vector<Key> &recipients, const QByteArray &plainText, bool alwaysTrust)
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{
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run(std::bind(&sign_encrypt_qba, std::placeholders::_1, signers, recipients, plainText, alwaysTrust ? Context::AlwaysTrust : Context::None, mOutputIsBase64Encoded));
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return Error();
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}
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void QGpgMESignEncryptJob::start(const std::vector<Key> &signers, const std::vector<Key> &recipients,
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const std::shared_ptr<QIODevice> &plainText, const std::shared_ptr<QIODevice> &cipherText, const Context::EncryptionFlags eflags)
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{
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run(std::bind(&sign_encrypt, std::placeholders::_1, std::placeholders::_2, signers, recipients, std::placeholders::_3, std::placeholders::_4, eflags, mOutputIsBase64Encoded), plainText, cipherText);
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}
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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)
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{
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return start(signers, recipients, plainText, cipherText, alwaysTrust ? Context::AlwaysTrust : Context::None);
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}
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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)
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{
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const result_type r = sign_encrypt_qba(context(), signers, recipients, plainText, eflags, mOutputIsBase64Encoded);
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cipherText = std::get<2>(r);
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resultHook(r);
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return mResult;
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}
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std::pair<SigningResult, EncryptionResult> QGpgMESignEncryptJob::exec(const std::vector<Key> &signers, const std::vector<Key> &recipients, const QByteArray &plainText, bool alwaysTrust, QByteArray &cipherText)
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{
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return exec(signers, recipients, plainText, alwaysTrust ? Context::AlwaysTrust : Context::None, cipherText);
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}
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#if 0
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TODO port?
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void QGpgMESignEncryptJob::showErrorDialog(QWidget *parent, const QString &caption) const
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{
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if ((mResult.first.error() && !mResult.first.error().isCanceled()) ||
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(mResult.second.error() && !mResult.second.error().isCanceled())) {
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MessageBox::error(parent, mResult.first, mResult.second, this, caption);
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}
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}
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#endif
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void QGpgMESignEncryptJob::resultHook(const result_type &tuple)
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{
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mResult = std::make_pair(std::get<0>(tuple), std::get<1>(tuple));
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}
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#include "qgpgmesignencryptjob.moc"
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