path: root/launcher/modplatform/atlauncher/ATLPackInstallTask.cpp

// SPDX-License-Identifier: GPL-3.0-only
/*
 *  PolyMC - Minecraft Launcher
 *  Copyright (c) 2022 Jamie Mansfield <jmansfield@cadixdev.org>
 *
 *  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, see <https://www.gnu.org/licenses/>.
 *
 * This file incorporates work covered by the following copyright and
 * permission notice:
 *
 *      Copyright 2020-2021 Jamie Mansfield <jmansfield@cadixdev.org>
 *      Copyright 2021 Petr Mrazek <peterix@gmail.com>
 *
 *      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.
 */

#include "ATLPackInstallTask.h"

#include <QtConcurrent>

#include <quazip/quazip.h>

#include "MMCZip.h"
#include "minecraft/OneSixVersionFormat.h"
#include "Version.h"
#include "net/ChecksumValidator.h"
#include "FileSystem.h"
#include "Json.h"
#include "minecraft/MinecraftInstance.h"
#include "minecraft/PackProfile.h"
#include "settings/INISettingsObject.h"
#include "meta/Index.h"
#include "meta/Version.h"
#include "meta/VersionList.h"

#include "BuildConfig.h"
#include "Application.h"

namespace ATLauncher {

static Meta::VersionPtr getComponentVersion(const QString& uid, const QString& version);

PackInstallTask::PackInstallTask(UserInteractionSupport *support, QString packName, QString version, InstallMode installMode)
{
    m_support = support;
    m_pack_name = packName;
    m_pack_safe_name = packName.replace(QRegularExpression("[^A-Za-z0-9]"), "");
    m_version_name = version;
    m_install_mode = installMode;
}

bool PackInstallTask::abort()
{
    if(abortable)
    {
        return jobPtr->abort();
    }
    return false;
}

void PackInstallTask::executeTask()
{
    qDebug() << "PackInstallTask::executeTask: " << QThread::currentThreadId();
    auto *netJob = new NetJob("ATLauncher::VersionFetch", APPLICATION->network());
    auto searchUrl = QString(BuildConfig.ATL_DOWNLOAD_SERVER_URL + "packs/%1/versions/%2/Configs.json")
            .arg(m_pack_safe_name).arg(m_version_name);
    netJob->addNetAction(Net::Download::makeByteArray(QUrl(searchUrl), &response));
    jobPtr = netJob;
    jobPtr->start();

    QObject::connect(netJob, &NetJob::succeeded, this, &PackInstallTask::onDownloadSucceeded);
    QObject::connect(netJob, &NetJob::failed, this, &PackInstallTask::onDownloadFailed);
}

void PackInstallTask::onDownloadSucceeded()
{
    qDebug() << "PackInstallTask::onDownloadSucceeded: " << QThread::currentThreadId();
    jobPtr.reset();

    QJsonParseError parse_error {};
    QJsonDocument doc = QJsonDocument::fromJson(response, &parse_error);
    if(parse_error.error != QJsonParseError::NoError) {
        qWarning() << "Error while parsing JSON response from ATLauncher at " << parse_error.offset << " reason: " << parse_error.errorString();
        qWarning() << response;
        return;
    }
    auto obj = doc.object();

    ATLauncher::PackVersion version;
    try
    {
        ATLauncher::loadVersion(version, obj);
    }
    catch (const JSONValidationError &e)
    {
        emitFailed(tr("Could not understand pack manifest:\n") + e.cause());
        return;
    }
    m_version = version;

    // Derived from the installation mode
    QString message;
    bool resetDirectory;

    switch (m_install_mode) {
    case InstallMode::Reinstall:
    case InstallMode::Update:
        message = m_version.messages.update;
        resetDirectory = true;
        break;

    case InstallMode::Install:
        message = m_version.messages.install;
        resetDirectory = false;
        break;

    default:
        emitFailed(tr("Unsupported installation mode"));
        break;
    }

    // Display message if one exists
    if (!message.isEmpty())
        m_support->displayMessage(message);

    auto ver = getComponentVersion("net.minecraft", m_version.minecraft);
    if (!ver) {
        emitFailed(tr("Failed to get local metadata index for '%1' v%2").arg("net.minecraft", m_version.minecraft));
        return;