diff options
Diffstat (limited to 'lang/qt/src/qgpgmesignjob.cpp')
-rw-r--r-- | lang/qt/src/qgpgmesignjob.cpp | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/lang/qt/src/qgpgmesignjob.cpp b/lang/qt/src/qgpgmesignjob.cpp new file mode 100644 index 0000000..4e2312b --- /dev/null +++ b/lang/qt/src/qgpgmesignjob.cpp @@ -0,0 +1,163 @@ +/* + qgpgmesignjob.cpp + + This file is part of qgpgme, the Qt API binding for gpgme + Copyright (c) 2004,2007,2008 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 "qgpgmesignjob.h" + +#include "dataprovider.h" + +#include "context.h" +#include "signingresult.h" +#include "data.h" + +#include <QBuffer> + + +#include <cassert> + +using namespace QGpgME; +using namespace GpgME; + +QGpgMESignJob::QGpgMESignJob(Context *context) + : mixin_type(context), + mOutputIsBase64Encoded(false) +{ + lateInitialization(); +} + +QGpgMESignJob::~QGpgMESignJob() {} + +void QGpgMESignJob::setOutputIsBase64Encoded(bool on) +{ + mOutputIsBase64Encoded = on; +} + +static QGpgMESignJob::result_type sign(Context *ctx, QThread *thread, + const std::vector<Key> &signers, + const std::weak_ptr<QIODevice> &plainText_, + const std::weak_ptr<QIODevice> &signature_, + SignatureMode mode, + bool outputIsBsse64Encoded) +{ + + const std::shared_ptr<QIODevice> plainText = plainText_.lock(); + const std::shared_ptr<QIODevice> signature = signature_.lock(); + + const _detail::ToThreadMover ptMover(plainText, thread); + const _detail::ToThreadMover sgMover(signature, 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), QByteArray(), QString(), Error()); + } + + if (!signature) { + QGpgME::QByteArrayDataProvider out; + Data outdata(&out); + + if (outputIsBsse64Encoded) { + outdata.setEncoding(Data::Base64Encoding); + } + + const SigningResult res = ctx->sign(indata, outdata, mode); + 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(signature); + Data outdata(&out); + + if (outputIsBsse64Encoded) { + outdata.setEncoding(Data::Base64Encoding); + } + + const SigningResult res = ctx->sign(indata, outdata, mode); + Error ae; + const QString log = _detail::audit_log_as_html(ctx, ae); + return std::make_tuple(res, QByteArray(), log, ae); + } + +} + +static QGpgMESignJob::result_type sign_qba(Context *ctx, + const std::vector<Key> &signers, + const QByteArray &plainText, + SignatureMode mode, + 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(ctx, 0, signers, buffer, std::shared_ptr<QIODevice>(), mode, outputIsBsse64Encoded); +} + +Error QGpgMESignJob::start(const std::vector<Key> &signers, const QByteArray &plainText, SignatureMode mode) +{ + run(std::bind(&sign_qba, std::placeholders::_1, signers, plainText, mode, mOutputIsBase64Encoded)); + return Error(); +} + +void QGpgMESignJob::start(const std::vector<Key> &signers, const std::shared_ptr<QIODevice> &plainText, const std::shared_ptr<QIODevice> &signature, SignatureMode mode) +{ + run(std::bind(&sign, std::placeholders::_1, std::placeholders::_2, signers, std::placeholders::_3, std::placeholders::_4, mode, mOutputIsBase64Encoded), plainText, signature); +} + +SigningResult QGpgMESignJob::exec(const std::vector<Key> &signers, const QByteArray &plainText, SignatureMode mode, QByteArray &signature) +{ + const result_type r = sign_qba(context(), signers, plainText, mode, mOutputIsBase64Encoded); + signature = std::get<1>(r); + resultHook(r); + return mResult; +} + +void QGpgMESignJob::resultHook(const result_type &tuple) +{ + mResult = std::get<0>(tuple); +} + +#if 0 +TODO port +void QGpgMESignJob::showErrorDialog(QWidget *parent, const QString &caption) const +{ + if (mResult.error() && !mResult.error().isCanceled()) { + MessageBox::error(parent, mResult, this, caption); + } +} +#endif +#include "qgpgmesignjob.moc" |