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// SPDX-License-Identifier: GPL-3.0-only
// SPDX-FileCopyrightText: 2026 Project Tick
// SPDX-FileContributor: Project Tick Team
/*
* ProjT Launcher - Minecraft Launcher
* 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, version 3.
*
* 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, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* === Upstream License Block (Do Not Modify) ==============================
*
*
*
* Prism Launcher - Minecraft Launcher
* Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
*
* 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, version 3.
*
* 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, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright 2013-2021 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ======================================================================== */
#pragma once
#include "Validator.h"
#include <QCryptographicHash>
#include <QFile>
namespace Net
{
class ChecksumValidator : public Validator
{
public:
ChecksumValidator(QCryptographicHash::Algorithm algorithm, QString expectedHex)
: Net::ChecksumValidator(algorithm, QByteArray::fromHex(expectedHex.toLatin1()))
{}
ChecksumValidator(QCryptographicHash::Algorithm algorithm, QByteArray expected = QByteArray())
: m_checksum(algorithm),
m_expected(expected) {};
virtual ~ChecksumValidator() = default;
public:
auto init(QNetworkRequest&) -> bool override
{
m_checksum.reset();
return true;
}
auto write(QByteArray& data) -> bool override
{
m_checksum.addData(data);
return true;
}
auto abort() -> bool override
{
m_checksum.reset();
return true;
}
auto validate(QNetworkReply&) -> bool override
{
if (m_expected.size() && m_expected != hash())
{
qWarning() << "Checksum mismatch, download is bad.";
return false;
}
return true;
}
auto hash() -> QByteArray
{
return m_checksum.result();
}
void setExpected(QByteArray expected)
{
m_expected = expected;
}
private:
QCryptographicHash m_checksum;
QByteArray m_expected;
};
} // namespace Net
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