diff options
Diffstat (limited to 'meshmc/launcher/updater/DownloadTask.cpp')
| -rw-r--r-- | meshmc/launcher/updater/DownloadTask.cpp | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/meshmc/launcher/updater/DownloadTask.cpp b/meshmc/launcher/updater/DownloadTask.cpp new file mode 100644 index 0000000000..170ecdfd56 --- /dev/null +++ b/meshmc/launcher/updater/DownloadTask.cpp @@ -0,0 +1,214 @@ +/* SPDX-FileCopyrightText: 2026 Project Tick + * SPDX-FileContributor: Project Tick + * SPDX-License-Identifier: GPL-3.0-or-later + * + * MeshMC - A Custom Launcher for Minecraft + * 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, either version 3 of the License, or + * (at your option) any later version. + * + * 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 "DownloadTask.h" + +#include "updater/UpdateChecker.h" +#include "GoUpdate.h" +#include "net/NetJob.h" + +#include <QFile> +#include <QTemporaryDir> +#include <QCryptographicHash> + +namespace GoUpdate +{ + + DownloadTask::DownloadTask( + shared_qobject_ptr<QNetworkAccessManager> network, Status status, + QString target, QObject* parent) + : Task(parent), m_updateFilesDir(target), m_network(network) + { + m_status = status; + + m_updateFilesDir.setAutoRemove(false); + } + + void DownloadTask::executeTask() + { + loadVersionInfo(); + } + + void DownloadTask::loadVersionInfo() + { + setStatus(tr("Loading version information...")); + + NetJob* netJob = new NetJob("Version Info", m_network); + + // Find the index URL. + QUrl newIndexUrl = + QUrl(m_status.newRepoUrl) + .resolved(QString::number(m_status.newVersionId) + ".json"); + qDebug() << m_status.newRepoUrl << " turns into " << newIndexUrl; + + netJob->addNetAction(m_newVersionFileListDownload = + Net::Download::makeByteArray( + newIndexUrl, &newVersionFileListData)); + + // If we have a current version URL, get that one too. + if (!m_status.currentRepoUrl.isEmpty()) { + QUrl cIndexUrl = + QUrl(m_status.currentRepoUrl) + .resolved(QString::number(m_status.currentVersionId) + + ".json"); + netJob->addNetAction( + m_currentVersionFileListDownload = Net::Download::makeByteArray( + cIndexUrl, ¤tVersionFileListData)); + qDebug() << m_status.currentRepoUrl << " turns into " << cIndexUrl; + } + + // connect signals and start the job + connect(netJob, &NetJob::succeeded, this, + &DownloadTask::processDownloadedVersionInfo); + connect(netJob, &NetJob::failed, this, + &DownloadTask::vinfoDownloadFailed); + m_vinfoNetJob.reset(netJob); + netJob->start(); + } + + void DownloadTask::vinfoDownloadFailed() + { + // Something failed. We really need the second download (current version + // info), so parse downloads anyways as long as the first one succeeded. + if (m_newVersionFileListDownload->wasSuccessful()) { + processDownloadedVersionInfo(); + return; + } + + // TODO: Give a more detailed error message. + qCritical() << "Failed to download version info files."; + emitFailed(tr("Failed to download version info files.")); + } + + void DownloadTask::processDownloadedVersionInfo() + { + VersionFileList m_currentVersionFileList; + VersionFileList m_newVersionFileList; + + setStatus(tr("Reading file list for new version...")); + qDebug() << "Reading file list for new version..."; + QString error; + if (!parseVersionInfo(newVersionFileListData, m_newVersionFileList, + error)) { + qCritical() << error; + emitFailed(error); + return; + } + + // if we have the current version info, use it. + if (m_currentVersionFileListDownload && + m_currentVersionFileListDownload->wasSuccessful()) { + setStatus(tr("Reading file list for current version...")); + qDebug() << "Reading file list for current version..."; + // if this fails, it's not a complete loss. + QString error; + if (!parseVersionInfo(currentVersionFileListData, + m_currentVersionFileList, error)) { + qDebug() << error << "This is not a fatal error."; + } + } + + // We don't need this any more. + m_currentVersionFileListDownload.reset(); + m_newVersionFileListDownload.reset(); + m_vinfoNetJob.reset(); + + setStatus(tr("Processing file lists - figuring out how to install the " + "update...")); + + // make a new netjob for the actual update files + NetJob::Ptr netJob = new NetJob("Update Files", m_network); + + // fill netJob and operationList + if (!processFileLists(m_currentVersionFileList, m_newVersionFileList, + m_status.rootPath, m_updateFilesDir.path(), + netJob, m_operations)) { + emitFailed(tr("Failed to process update lists...")); + return; + } + + // Now start the download. + QObject::connect(netJob.get(), &NetJob::succeeded, this, + &DownloadTask::fileDownloadFinished); + QObject::connect(netJob.get(), &NetJob::progress, this, + &DownloadTask::fileDownloadProgressChanged); + QObject::connect(netJob.get(), &NetJob::failed, this, + &DownloadTask::fileDownloadFailed); + + if (netJob->size() == + 1) // Translation issues... see + // https://github.com/MultiMC/Launcher/issues/1701 + { + setStatus(tr("Downloading one update file.")); + } else { + setStatus(tr("Downloading %1 update files.") + .arg(QString::number(netJob->size()))); + } + qDebug() << "Begin downloading update files to" + << m_updateFilesDir.path(); + m_filesNetJob = netJob; + m_filesNetJob->start(); + } + + void DownloadTask::fileDownloadFinished() + { + emitSucceeded(); + } + + void DownloadTask::fileDownloadFailed(QString reason) + { + qCritical() << "Failed to download update files:" << reason; + emitFailed(tr("Failed to download update files: %1").arg(reason)); + } + + void DownloadTask::fileDownloadProgressChanged(qint64 current, qint64 total) + { + setProgress(current, total); + } + + QString DownloadTask::updateFilesDir() + { + return m_updateFilesDir.path(); + } + + OperationList DownloadTask::operations() + { + return m_operations; + } + +} // namespace GoUpdate |