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/* SPDX-FileCopyrightText: 2026 Project Tick
* SPDX-FileContributor: Project Tick
* SPDX-License-Identifier: GPL-3.0-or-later
*
* MeshMC - A Custom Launcher for Minecraft
* Copyright (C) 2026 Project Tick
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include "Validator.h"
#include <QCryptographicHash>
#include <memory>
#include <QFile>
namespace Net
{
class ChecksumValidator : public Validator
{
public: /* con/des */
ChecksumValidator(QCryptographicHash::Algorithm algorithm,
QByteArray expected = QByteArray())
: m_checksum(algorithm), m_expected(expected) {};
virtual ~ChecksumValidator() {};
public: /* methods */
bool init(QNetworkRequest&) override
{
m_checksum.reset();
return true;
}
bool write(QByteArray& data) override
{
m_checksum.addData(data);
return true;
}
bool abort() override
{
return true;
}
bool validate(QNetworkReply&) override
{
if (m_expected.size() && m_expected != hash()) {
qWarning() << "Checksum mismatch, download is bad.";
return false;
}
return true;
}
QByteArray hash()
{
return m_checksum.result();
}
void setExpected(QByteArray expected)
{
m_expected = expected;
}
private: /* data */
QCryptographicHash m_checksum;
QByteArray m_expected;
};
} // namespace Net
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