105 lines
3.6 KiB
C++
105 lines
3.6 KiB
C++
/*
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decryptverifyjob.h
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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
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along with this program; if not, write to the Free Software
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Foundation, Inc., 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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#ifndef __KLEO_DECRYPTVERIFYJOB_H__
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#define __KLEO_DECRYPTVERIFYJOB_H__
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#include "job.h"
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#include <memory>
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class QByteArray;
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class QIODevice;
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namespace GpgME
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{
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class Error;
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class DecryptionResult;
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class VerificationResult;
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}
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namespace QGpgME
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{
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/**
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@short An abstract base class for asynchronous combined decrypters and verifiers
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To use a DecryptVerifyJob, first obtain an instance from the
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CryptoBackend implementation, connect the progress() and result()
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signals to suitable slots and then start the operation with a
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call to start(). This call might fail, in which case the
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DecryptVerifyJob instance will have scheduled it's own destruction with
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a call to QObject::deleteLater().
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After result() is emitted, the DecryptVerifyJob will schedule it's own
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destruction by calling QObject::deleteLater().
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*/
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class QGPGME_EXPORT DecryptVerifyJob : public Job
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{
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Q_OBJECT
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protected:
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explicit DecryptVerifyJob(QObject *parent);
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public:
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~DecryptVerifyJob();
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/**
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Starts the combined decryption and verification operation.
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\a cipherText is the data to decrypt and later verify.
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*/
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virtual GpgME::Error start(const QByteArray &cipherText) = 0;
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/*!
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\overload
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If \a plainText is non-null, the plaintext is written
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there. Otherwise, it will be delivered in the third argument
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of result().
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*/
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virtual void start(const std::shared_ptr<QIODevice> &cipherText, const std::shared_ptr<QIODevice> &plainText = std::shared_ptr<QIODevice>()) = 0;
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/** Synchronous equivalent of start() */
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virtual std::pair<GpgME::DecryptionResult, GpgME::VerificationResult>
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exec(const QByteArray &cipherText, QByteArray &plainText) = 0;
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Q_SIGNALS:
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void result(const GpgME::DecryptionResult &decryptionresult,
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const GpgME::VerificationResult &verificationresult,
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const QByteArray &plainText, const QString &auditLogAsHtml = QString(),
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const GpgME::Error &auditLogError = GpgME::Error());
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};
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}
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#endif // __KLEO_DECRYPTVERIFYJOB_H__
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