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+/*
+ 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"