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// SPDX-License-Identifier: GPL-3.0-only
/*
* Prism Launcher - Minecraft Launcher
* Copyright (c) 2021-2022 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 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.
*/
#include "SolderPackInstallTask.h"
#include <FileSystem.h>
#include <Json.h>
#include <MMCZip.h>
#include <QtConcurrentRun>
#include "SolderPackManifest.h"
#include "TechnicPackProcessor.h"
#include "net/ChecksumValidator.h"
Technic::SolderPackInstallTask::SolderPackInstallTask(shared_qobject_ptr<QNetworkAccessManager> network,
const QUrl& solderUrl,
const QString& pack,
const QString& version,
const QString& minecraftVersion)
{
m_solderUrl = solderUrl;
m_pack = pack;
m_version = version;
m_network = network;
m_minecraftVersion = minecraftVersion;
}
bool Technic::SolderPackInstallTask::abort()
{
if (m_abortable) {
return m_filesNetJob->abort();
}
return false;
}
void Technic::SolderPackInstallTask::executeTask()
{
setStatus(tr("Resolving modpack files"));
m_filesNetJob.reset(new NetJob(tr("Resolving modpack files"), m_network));
auto sourceUrl = QString("%1/modpack/%2/%3").arg(m_solderUrl.toString(), m_pack, m_version);
m_filesNetJob->addNetAction(Net::Download::makeByteArray(sourceUrl, m_response));
auto job = m_filesNetJob.get();
connect(job, &NetJob::succeeded, this, &Technic::SolderPackInstallTask::fileListSucceeded);
connect(job, &NetJob::failed, this, &Technic::SolderPackInstallTask::downloadFailed);
connect(job, &NetJob::aborted, this, &Technic::SolderPackInstallTask::downloadAborted);
m_filesNetJob->start();
}
void Technic::SolderPackInstallTask::fileListSucceeded()
{
setStatus(tr("Downloading modpack"));
QJsonParseError parse_error{};
QJsonDocument doc = QJsonDocument::fromJson(*m_response, &parse_error);
if (parse_error.error != QJsonParseError::NoError) {
qWarning() << "Error while parsing JSON response from Solder at " << parse_error.offset << " reason: " << parse_error.errorString();
qWarning() << *m_response;
return;
}
auto obj = doc.object();
TechnicSolder::PackBuild build;
try {
TechnicSolder::loadPackBuild(build, obj);
} catch (const JSONValidationError& e) {
emitFailed(tr("Could not understand pack manifest:\n") + e.cause());
m_filesNetJob.reset();
return;
}
if (!build.minecraft.isEmpty())
m_minecraftVersion = build.minecraft;
m_filesNetJob.reset(new NetJob(tr("Downloading modpack"), m_network));
int i = 0;
for (const auto& mod : build.mods) {
auto path = FS::PathCombine(m_outputDir.path(), QString("%1").arg(i));
auto dl = Net::Download::makeFile(mod.url, path);
if (!mod.md5.isEmpty()) {
auto rawMd5 = QByteArray::fromHex(mod.md5.toLatin1());
dl->addValidator(new Net::ChecksumValidator(QCryptographicHash::Md5, rawMd5));
}
m_filesNetJob->addNetAction(dl);
i++;
}
m_modCount = build.mods.size();
connect(m_filesNetJob.get(), &NetJob::succeeded, this, &Technic::SolderPackInstallTask::downloadSucceeded);
connect(m_filesNetJob.get(), &NetJob::progress, this, &Technic::SolderPackInstallTask::downloadProgressChanged);
connect(m_filesNetJob.get(), &NetJob::stepProgress, this, &Technic::SolderPackInstallTask::propagateStepProgress);
connect(m_filesNetJob.get(), &NetJob::failed, this, &Technic::SolderPackInstallTask::downloadFailed);
connect(m_filesNetJob.get(), &NetJob::aborted, this, &Technic::SolderPackInstallTask::downloadAborted);
m_filesNetJob->start();
}
void Technic::SolderPackInstallTask::downloadSucceeded()
{
m_abortable = false;
setStatus(tr("Extracting modpack"));
m_filesNetJob.reset();
m_extractFuture = QtConcurrent::run([this]() {
int i = 0;
QString extractDir = FS::PathCombine(m_stagingPath, ".minecraft");
FS::ensureFolderPathExists(extractDir);
while (m_modCount > i) {
auto path = FS::PathCombine(m_outputDir.path(), QString("%1").arg(i));
if (!MMCZip::extractDir(path, extractDir)) {
return false;
}
i++;
}
return true;
});
connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::finished, this, &Technic::SolderPackInstallTask::extractFinished);
connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::canceled, this, &Technic::SolderPackInstallTask::extractAborted);
m_extractFutureWatcher.setFuture(m_extractFuture);
}
void Technic::SolderPackInstallTask::downloadFailed(QString reason)
{
m_abortable = false;
emitFailed(reason);
m_filesNetJob.reset();
}
void Technic::SolderPackInstallTask::downloadProgressChanged(qint64 current, qint64 total)
{
m_abortable = true;
setProgress(current / 2, total);
}
void Technic::SolderPackInstallTask::downloadAborted()
{
emitAborted();
m_filesNetJob.reset();
}
void Technic::SolderPackInstallTask::extractFinished()
{
if (!m_extractFuture.result()) {
emitFailed(tr("Failed to extract modpack"));
return;
}
QDir extractDir(m_stagingPath);
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;
}
}
}
auto packProcessor = makeShared<Technic::TechnicPackProcessor>();
connect(packProcessor.get(), &Technic::TechnicPackProcessor::succeeded, this, &Technic::SolderPackInstallTask::emitSucceeded);
connect(packProcessor.get(), &Technic::TechnicPackProcessor::failed, this, &Technic::SolderPackInstallTask::emitFailed);
packProcessor->run(m_globalSettings, name(), m_instIcon, m_stagingPath, m_minecraftVersion, true);
}
void Technic::SolderPackInstallTask::extractAborted()
{
emitFailed(tr("Instance import has been aborted."));
}
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