pollymc/launcher/InstanceImportTask.cpp

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// SPDX-License-Identifier: GPL-3.0-only
/*
* PolyMC - Minecraft Launcher
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* Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
* 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, see <https://www.gnu.org/licenses/>.
*
* 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.
*/
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#include "InstanceImportTask.h"
#include "Application.h"
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#include "FileSystem.h"
#include "MMCZip.h"
#include "NullInstance.h"
#include "icons/IconList.h"
#include "icons/IconUtils.h"
#include "modplatform/technic/TechnicPackProcessor.h"
#include "modplatform/modrinth/ModrinthInstanceCreationTask.h"
#include "modplatform/flame/FlameInstanceCreationTask.h"
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#include "settings/INISettingsObject.h"
#include <QtConcurrentRun>
#include <algorithm>
#include <quazip/quazipdir.h>
InstanceImportTask::InstanceImportTask(const QUrl sourceUrl, QWidget* parent)
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{
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m_sourceUrl = sourceUrl;
m_parent = parent;
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}
bool InstanceImportTask::abort()
{
if (!canAbort())
return false;
if (m_filesNetJob)
m_filesNetJob->abort();
m_extractFuture.cancel();
return Task::abort();
}
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void InstanceImportTask::executeTask()
{
setAbortStatus(true);
if (m_sourceUrl.isLocalFile()) {
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m_archivePath = m_sourceUrl.toLocalFile();
processZipPack();
} else {
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setStatus(tr("Downloading modpack:\n%1").arg(m_sourceUrl.toString()));
m_downloadRequired = true;
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const QString path(m_sourceUrl.host() + '/' + m_sourceUrl.path());
auto entry = APPLICATION->metacache()->resolveEntry("general", path);
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entry->setStale(true);
m_archivePath = entry->getFullPath();
m_filesNetJob = new NetJob(tr("Modpack download"), APPLICATION->network());
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m_filesNetJob->addNetAction(Net::Download::makeCached(m_sourceUrl, entry));
connect(m_filesNetJob.get(), &NetJob::succeeded, this, &InstanceImportTask::downloadSucceeded);
connect(m_filesNetJob.get(), &NetJob::progress, this, &InstanceImportTask::downloadProgressChanged);
connect(m_filesNetJob.get(), &NetJob::failed, this, &InstanceImportTask::downloadFailed);
connect(m_filesNetJob.get(), &NetJob::aborted, this, &InstanceImportTask::downloadAborted);
m_filesNetJob->start();
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}
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}
void InstanceImportTask::downloadSucceeded()
{
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processZipPack();
m_filesNetJob.reset();
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}
void InstanceImportTask::downloadFailed(QString reason)
{
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emitFailed(reason);
m_filesNetJob.reset();
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}
void InstanceImportTask::downloadProgressChanged(qint64 current, qint64 total)
{
setProgress(current, total);
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}
void InstanceImportTask::downloadAborted()
{
emitAborted();
m_filesNetJob.reset();
}
void InstanceImportTask::processZipPack()
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{
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setStatus(tr("Extracting modpack"));
QDir extractDir(m_stagingPath);
qDebug() << "Attempting to create instance from" << m_archivePath;
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// open the zip and find relevant files in it
m_packZip.reset(new QuaZip(m_archivePath));
if (!m_packZip->open(QuaZip::mdUnzip))
{
emitFailed(tr("Unable to open supplied modpack zip file."));
return;
}
QuaZipDir packZipDir(m_packZip.get());
// https://docs.modrinth.com/docs/modpacks/format_definition/#storage
bool modrinthFound = packZipDir.exists("/modrinth.index.json");
bool technicFound = packZipDir.exists("/bin/modpack.jar") || packZipDir.exists("/bin/version.json");
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QString root;
// NOTE: Prioritize modpack platforms that aren't searched for recursively.
// Especially Flame has a very common filename for its manifest, which may appear inside overrides for example
if(modrinthFound)
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{
// process as Modrinth pack
qDebug() << "Modrinth:" << modrinthFound;
m_modpackType = ModpackType::Modrinth;
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}
else if (technicFound)
{
// process as Technic pack
qDebug() << "Technic:" << technicFound;
extractDir.mkpath(".minecraft");
extractDir.cd(".minecraft");
m_modpackType = ModpackType::Technic;
}
else
{
QString mmcRoot = MMCZip::findFolderOfFileInZip(m_packZip.get(), "instance.cfg");
QString flameRoot = MMCZip::findFolderOfFileInZip(m_packZip.get(), "manifest.json");
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if (!mmcRoot.isNull())
{
// process as MultiMC instance/pack
qDebug() << "MultiMC:" << mmcRoot;
root = mmcRoot;
m_modpackType = ModpackType::MultiMC;
}
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else if(!flameRoot.isNull())
{
// process as Flame pack
qDebug() << "Flame:" << flameRoot;
root = flameRoot;
m_modpackType = ModpackType::Flame;
}
}
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if(m_modpackType == ModpackType::Unknown)
{
emitFailed(tr("Archive does not contain a recognized modpack type."));
return;
}
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// make sure we extract just the pack
m_extractFuture = QtConcurrent::run(QThreadPool::globalInstance(), MMCZip::extractSubDir, m_packZip.get(), root, extractDir.absolutePath());
connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::finished, this, &InstanceImportTask::extractFinished);
connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::canceled, this, &InstanceImportTask::extractAborted);
m_extractFutureWatcher.setFuture(m_extractFuture);
}
void InstanceImportTask::extractFinished()
{
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m_packZip.reset();
if (!m_extractFuture.result())
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{
emitFailed(tr("Failed to extract modpack"));
return;
}
QDir extractDir(m_stagingPath);
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qDebug() << "Fixing permissions for extracted pack files...";
QDirIterator it(extractDir, QDirIterator::Subdirectories);
while (it.hasNext())
{
auto filepath = it.next();
QFileInfo file(filepath);
auto permissions = QFile::permissions(filepath);
auto origPermissions = permissions;
if(file.isDir())
{
// Folder +rwx for current user
permissions |= QFileDevice::Permission::ReadUser | QFileDevice::Permission::WriteUser | QFileDevice::Permission::ExeUser;
}
else
{
// File +rw for current user
permissions |= QFileDevice::Permission::ReadUser | QFileDevice::Permission::WriteUser;
}
if(origPermissions != permissions)
{
if(!QFile::setPermissions(filepath, permissions))
{
logWarning(tr("Could not fix permissions for %1").arg(filepath));
}
else
{
qDebug() << "Fixed" << filepath;
}
}
}
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switch(m_modpackType)
{
case ModpackType::MultiMC:
processMultiMC();
return;
case ModpackType::Technic:
processTechnic();
return;
case ModpackType::Flame:
processFlame();
return;
case ModpackType::Modrinth:
processModrinth();
return;
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case ModpackType::Unknown:
emitFailed(tr("Archive does not contain a recognized modpack type."));
return;
}
}
void InstanceImportTask::extractAborted()
{
emitAborted();
}
void InstanceImportTask::processFlame()
{
auto* inst_creation_task = new FlameCreationTask(m_stagingPath, m_globalSettings, m_parent);
inst_creation_task->setName(*this);
inst_creation_task->setIcon(m_instIcon);
inst_creation_task->setGroup(m_instGroup);
connect(inst_creation_task, &Task::succeeded, this, [this, inst_creation_task] {
setOverride(inst_creation_task->shouldOverride());
emitSucceeded();
});
connect(inst_creation_task, &Task::failed, this, &InstanceImportTask::emitFailed);
connect(inst_creation_task, &Task::progress, this, &InstanceImportTask::setProgress);
connect(inst_creation_task, &Task::status, this, &InstanceImportTask::setStatus);
connect(inst_creation_task, &Task::finished, inst_creation_task, &InstanceCreationTask::deleteLater);
connect(this, &Task::aborted, inst_creation_task, &InstanceCreationTask::abort);
connect(inst_creation_task, &Task::abortStatusChanged, this, &Task::setAbortStatus);
inst_creation_task->start();
}
void InstanceImportTask::processTechnic()
{
shared_qobject_ptr<Technic::TechnicPackProcessor> packProcessor = new Technic::TechnicPackProcessor();
connect(packProcessor.get(), &Technic::TechnicPackProcessor::succeeded, this, &InstanceImportTask::emitSucceeded);
connect(packProcessor.get(), &Technic::TechnicPackProcessor::failed, this, &InstanceImportTask::emitFailed);
packProcessor->run(m_globalSettings, name(), m_instIcon, m_stagingPath);
}
void InstanceImportTask::processMultiMC()
{
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QString configPath = FS::PathCombine(m_stagingPath, "instance.cfg");
auto instanceSettings = std::make_shared<INISettingsObject>(configPath);
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NullInstance instance(m_globalSettings, instanceSettings, m_stagingPath);
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// reset time played on import... because packs.
instance.resetTimePlayed();
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// set a new nice name
instance.setName(name());
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// if the icon was specified by user, use that. otherwise pull icon from the pack
if (m_instIcon != "default") {
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instance.setIconKey(m_instIcon);
} else {
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m_instIcon = instance.iconKey();
auto importIconPath = IconUtils::findBestIconIn(instance.instanceRoot(), m_instIcon);
if (!importIconPath.isNull() && QFile::exists(importIconPath)) {
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// import icon
auto iconList = APPLICATION->icons();
if (iconList->iconFileExists(m_instIcon)) {
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iconList->deleteIcon(m_instIcon);
}
iconList->installIcons({ importIconPath });
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}
}
emitSucceeded();
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}
void InstanceImportTask::processModrinth()
{
auto* inst_creation_task = new ModrinthCreationTask(m_stagingPath, m_globalSettings, m_parent, m_sourceUrl.toString());
inst_creation_task->setName(*this);
inst_creation_task->setIcon(m_instIcon);
inst_creation_task->setGroup(m_instGroup);
connect(inst_creation_task, &Task::succeeded, this, [this, inst_creation_task] {
setOverride(inst_creation_task->shouldOverride());
emitSucceeded();
});
connect(inst_creation_task, &Task::failed, this, &InstanceImportTask::emitFailed);
connect(inst_creation_task, &Task::progress, this, &InstanceImportTask::setProgress);
connect(inst_creation_task, &Task::status, this, &InstanceImportTask::setStatus);
connect(inst_creation_task, &Task::finished, inst_creation_task, &InstanceCreationTask::deleteLater);
connect(this, &Task::aborted, inst_creation_task, &InstanceCreationTask::abort);
connect(inst_creation_task, &Task::abortStatusChanged, this, &Task::setAbortStatus);
inst_creation_task->start();
}