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Diffstat (limited to 'archived/projt-launcher/launcher/net/ChecksumValidator.h')
| -rw-r--r-- | archived/projt-launcher/launcher/net/ChecksumValidator.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/archived/projt-launcher/launcher/net/ChecksumValidator.h b/archived/projt-launcher/launcher/net/ChecksumValidator.h new file mode 100644 index 0000000000..73f8d31fc9 --- /dev/null +++ b/archived/projt-launcher/launcher/net/ChecksumValidator.h @@ -0,0 +1,123 @@ +// 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 |