233 lines
7.9 KiB
C++
233 lines
7.9 KiB
C++
// SPDX-License-Identifier: GPL-3.0-only
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/*
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* PolyMC - Minecraft Launcher
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* Copyright (c) 2021-2022 Jamie Mansfield <jmansfield@cadixdev.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* This file incorporates work covered by the following copyright and
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* permission notice:
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*
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* Copyright 2013-2021 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "SolderPackInstallTask.h"
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#include <FileSystem.h>
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#include <Json.h>
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#include <QtConcurrentRun>
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#include <MMCZip.h>
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#include "TechnicPackProcessor.h"
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#include "SolderPackManifest.h"
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#include "net/ChecksumValidator.h"
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Technic::SolderPackInstallTask::SolderPackInstallTask(
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shared_qobject_ptr<QNetworkAccessManager> network,
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const QUrl &solderUrl,
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const QString &pack,
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const QString &version,
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const QString &minecraftVersion
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) {
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m_solderUrl = solderUrl;
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m_pack = pack;
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m_version = version;
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m_network = network;
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m_minecraftVersion = minecraftVersion;
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}
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bool Technic::SolderPackInstallTask::abort() {
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if(m_abortable)
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{
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return m_filesNetJob->abort();
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}
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return false;
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}
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void Technic::SolderPackInstallTask::executeTask()
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{
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setStatus(tr("Resolving modpack files"));
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m_filesNetJob = new NetJob(tr("Resolving modpack files"), m_network);
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auto sourceUrl = QString("%1/modpack/%2/%3").arg(m_solderUrl.toString(), m_pack, m_version);
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m_filesNetJob->addNetAction(Net::Download::makeByteArray(sourceUrl, &m_response));
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auto job = m_filesNetJob.get();
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connect(job, &NetJob::succeeded, this, &Technic::SolderPackInstallTask::fileListSucceeded);
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connect(job, &NetJob::failed, this, &Technic::SolderPackInstallTask::downloadFailed);
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connect(job, &NetJob::aborted, this, &Technic::SolderPackInstallTask::downloadAborted);
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m_filesNetJob->start();
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}
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void Technic::SolderPackInstallTask::fileListSucceeded()
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{
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setStatus(tr("Downloading modpack"));
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QJsonParseError parse_error {};
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QJsonDocument doc = QJsonDocument::fromJson(m_response, &parse_error);
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if (parse_error.error != QJsonParseError::NoError) {
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qWarning() << "Error while parsing JSON response from Solder at " << parse_error.offset << " reason: " << parse_error.errorString();
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qWarning() << m_response;
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return;
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}
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auto obj = doc.object();
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TechnicSolder::PackBuild build;
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try {
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TechnicSolder::loadPackBuild(build, obj);
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}
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catch (const JSONValidationError& e) {
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emitFailed(tr("Could not understand pack manifest:\n") + e.cause());
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m_filesNetJob.reset();
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return;
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}
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if (!build.minecraft.isEmpty())
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m_minecraftVersion = build.minecraft;
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m_filesNetJob = new NetJob(tr("Downloading modpack"), m_network);
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int i = 0;
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for (const auto &mod : build.mods) {
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auto path = FS::PathCombine(m_outputDir.path(), QString("%1").arg(i));
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auto dl = Net::Download::makeFile(mod.url, path);
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if (!mod.md5.isEmpty()) {
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auto rawMd5 = QByteArray::fromHex(mod.md5.toLatin1());
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dl->addValidator(new Net::ChecksumValidator(QCryptographicHash::Md5, rawMd5));
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}
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m_filesNetJob->addNetAction(dl);
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i++;
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}
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m_modCount = build.mods.size();
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connect(m_filesNetJob.get(), &NetJob::succeeded, this, &Technic::SolderPackInstallTask::downloadSucceeded);
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connect(m_filesNetJob.get(), &NetJob::progress, this, &Technic::SolderPackInstallTask::downloadProgressChanged);
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connect(m_filesNetJob.get(), &NetJob::failed, this, &Technic::SolderPackInstallTask::downloadFailed);
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connect(m_filesNetJob.get(), &NetJob::aborted, this, &Technic::SolderPackInstallTask::downloadAborted);
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m_filesNetJob->start();
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}
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void Technic::SolderPackInstallTask::downloadSucceeded()
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{
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m_abortable = false;
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setStatus(tr("Extracting modpack"));
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m_filesNetJob.reset();
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m_extractFuture = QtConcurrent::run([this]()
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{
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int i = 0;
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QString extractDir = FS::PathCombine(m_stagingPath, ".minecraft");
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FS::ensureFolderPathExists(extractDir);
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while (m_modCount > i)
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{
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auto path = FS::PathCombine(m_outputDir.path(), QString("%1").arg(i));
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if (!MMCZip::extractDir(path, extractDir))
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{
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return false;
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}
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i++;
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}
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return true;
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});
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connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::finished, this, &Technic::SolderPackInstallTask::extractFinished);
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connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::canceled, this, &Technic::SolderPackInstallTask::extractAborted);
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m_extractFutureWatcher.setFuture(m_extractFuture);
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}
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void Technic::SolderPackInstallTask::downloadFailed(QString reason)
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{
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m_abortable = false;
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emitFailed(reason);
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m_filesNetJob.reset();
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}
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void Technic::SolderPackInstallTask::downloadProgressChanged(qint64 current, qint64 total)
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{
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m_abortable = true;
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setProgress(current / 2, total);
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}
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void Technic::SolderPackInstallTask::downloadAborted()
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{
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emitAborted();
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m_filesNetJob.reset();
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}
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void Technic::SolderPackInstallTask::extractFinished()
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{
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if (!m_extractFuture.result())
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{
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emitFailed(tr("Failed to extract modpack"));
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return;
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}
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QDir extractDir(m_stagingPath);
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qDebug() << "Fixing permissions for extracted pack files...";
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QDirIterator it(extractDir, QDirIterator::Subdirectories);
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while (it.hasNext())
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{
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auto filepath = it.next();
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QFileInfo file(filepath);
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auto permissions = QFile::permissions(filepath);
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auto origPermissions = permissions;
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if(file.isDir())
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{
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// Folder +rwx for current user
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permissions |= QFileDevice::Permission::ReadUser | QFileDevice::Permission::WriteUser | QFileDevice::Permission::ExeUser;
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}
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else
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{
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// File +rw for current user
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permissions |= QFileDevice::Permission::ReadUser | QFileDevice::Permission::WriteUser;
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}
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if(origPermissions != permissions)
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{
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if(!QFile::setPermissions(filepath, permissions))
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{
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logWarning(tr("Could not fix permissions for %1").arg(filepath));
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}
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else
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{
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qDebug() << "Fixed" << filepath;
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}
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}
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}
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shared_qobject_ptr<Technic::TechnicPackProcessor> packProcessor = new Technic::TechnicPackProcessor();
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connect(packProcessor.get(), &Technic::TechnicPackProcessor::succeeded, this, &Technic::SolderPackInstallTask::emitSucceeded);
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connect(packProcessor.get(), &Technic::TechnicPackProcessor::failed, this, &Technic::SolderPackInstallTask::emitFailed);
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packProcessor->run(m_globalSettings, name(), m_instIcon, m_stagingPath, m_minecraftVersion, true);
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}
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void Technic::SolderPackInstallTask::extractAborted()
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{
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emitFailed(tr("Instance import has been aborted."));
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}
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