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/*
signencryptjob.h
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.
*/
#ifndef __KLEO_SIGNENCRYPTJOB_H__
#define __KLEO_SIGNENCRYPTJOB_H__
#include "job.h"
#include "qgpgme_export.h"
#ifdef BUILDING_QGPGME
# include "global.h"
# include "context.h"
#else
# include <gpgme++/global.h>
# include <gpgme++/context.h>
#endif
#include <memory>
#include <vector>
#include <utility>
class QByteArray;
class QIODevice;
namespace GpgME
{
class Error;
class Key;
class SigningResult;
class EncryptionResult;
}
namespace QGpgME
{
/**
@short An abstract base class for asynchronous combined signing and encrypting
To use a SignEncryptJob, first obtain an instance from the
CryptoBackend implementation, connect the progress() and result()
signals to suitable slots and then start the operation with a
call to start(). This call might fail, in which case the
SignEncryptJob instance will have scheduled it's own destruction
with a call to QObject::deleteLater().
After result() is emitted, the SignEncryptJob will schedule it's
own destruction by calling QObject::deleteLater().
*/
class QGPGME_EXPORT SignEncryptJob : public Job
{
Q_OBJECT
protected:
explicit SignEncryptJob(QObject *parent);
public:
~SignEncryptJob();
/**
Starts the combined signing and encrypting operation. \a signers
is the list of keys to sign \a plainText with. \a recipients is
a list of keys to encrypt the signed \a plainText to. In both
lists, empty (null) keys are ignored.
If \a alwaysTrust is true, validity checking for the
\em recipient keys will not be performed, but full validity
assumed for all \em recipient keys without further checks.
*/
virtual QGPGME_DEPRECATED_EXPORT GpgME::Error start(const std::vector<GpgME::Key> &signers,
const std::vector<GpgME::Key> &recipients,
const QByteArray &plainText,
bool alwaysTrust = false) = 0;
/*!
\overload
If \a cipherText is non-null, the ciphertext is written
there. Otherwise, it will be delivered in the third argument of
result().
\throws GpgME::Exception if starting fails
*/
virtual void start(const std::vector<GpgME::Key> &signers,
const std::vector<GpgME::Key> &recipients,
const std::shared_ptr<QIODevice> &plainText,
const std::shared_ptr<QIODevice> &cipherText = std::shared_ptr<QIODevice>(),
bool alwaysTrust = false) = 0;
virtual std::pair<GpgME::SigningResult, GpgME::EncryptionResult>
exec(const std::vector<GpgME::Key> &signers,
const std::vector<GpgME::Key> &recipients,
const QByteArray &plainText,
bool alwaysTrust, QByteArray &cipherText) = 0;
/*!
This is a hack to request BASE64 output (instead of whatever
comes out normally).
*/
virtual void setOutputIsBase64Encoded(bool) = 0;
/** Like start but with an additional argument for EncryptionFlags for
* more flexibility. */
virtual void start(const std::vector<GpgME::Key> &signers,
const std::vector<GpgME::Key> &recipients,
const std::shared_ptr<QIODevice> &plainText,
const std::shared_ptr<QIODevice> &cipherText = std::shared_ptr<QIODevice>(),
const GpgME::Context::EncryptionFlags flags = GpgME::Context::None) = 0;
/** Like exec but with an additional argument for EncryptionFlags for
* more flexibility. */
virtual std::pair<GpgME::SigningResult, GpgME::EncryptionResult>
exec(const std::vector<GpgME::Key> &signers,
const std::vector<GpgME::Key> &recipients,
const QByteArray &plainText,
const GpgME::Context::EncryptionFlags flags, QByteArray &cipherText) = 0;
Q_SIGNALS:
void result(const GpgME::SigningResult &signingresult,
const GpgME::EncryptionResult &encryptionresult,
const QByteArray &cipherText, const QString &auditLogAsHtml = QString(),
const GpgME::Error &auditLogError = GpgME::Error());
};
}
#endif // __KLEO_SIGNENCRYPTJOB_H__
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