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Diffstat (limited to 'lang/qt/src/qgpgmesignencryptjob.cpp')
| -rw-r--r-- | lang/qt/src/qgpgmesignencryptjob.cpp | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/lang/qt/src/qgpgmesignencryptjob.cpp b/lang/qt/src/qgpgmesignencryptjob.cpp new file mode 100644 index 0000000..d2e45b1 --- /dev/null +++ b/lang/qt/src/qgpgmesignencryptjob.cpp @@ -0,0 +1,171 @@ +/* + 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" |