Reider745
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119 lines
5.0 KiB
C++
Executable File
119 lines
5.0 KiB
C++
Executable File
// SPDX-License-Identifier: GPL-3.0-only
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/*
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* Prism Launcher - Minecraft Launcher
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* Copyright (c) 2022-2023 flowln <flowlnlnln@gmail.com>
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* Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
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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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#include "ResourceDownloadTask.h"
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#include "Application.h"
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#include "minecraft/mod/ModFolderModel.h"
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#include "minecraft/mod/ResourceFolderModel.h"
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#include "modplatform/helpers/HashUtils.h"
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#include "net/ApiDownload.h"
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#include "net/ChecksumValidator.h"
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ResourceDownloadTask::ResourceDownloadTask(ModPlatform::IndexedPack::Ptr pack,
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ModPlatform::IndexedVersion version,
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const std::shared_ptr<ResourceFolderModel> packs,
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bool is_indexed,
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QString custom_target_folder)
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: m_pack(std::move(pack)), m_pack_version(std::move(version)), m_pack_model(packs), m_custom_target_folder(custom_target_folder)
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{
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if (auto model = dynamic_cast<ModFolderModel*>(m_pack_model.get()); model && is_indexed) {
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m_update_task.reset(new LocalModUpdateTask(model->indexDir(), *m_pack, m_pack_version));
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connect(m_update_task.get(), &LocalModUpdateTask::hasOldMod, this, &ResourceDownloadTask::hasOldResource);
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addTask(m_update_task);
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}
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m_filesNetJob.reset(new NetJob(tr("Resource download"), APPLICATION->network()));
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m_filesNetJob->setStatus(tr("Downloading resource:\n%1").arg(m_pack_version.downloadUrl));
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QDir dir{ m_pack_model->dir() };
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{
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// FIXME: Make this more generic. May require adding additional info to IndexedVersion,
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// or adquiring a reference to the base instance.
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if (!m_custom_target_folder.isEmpty()) {
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dir.cdUp();
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dir.cd(m_custom_target_folder);
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}
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}
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auto action = Net::ApiDownload::makeFile(m_pack_version.downloadUrl, dir.absoluteFilePath(getFilename()));
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if (!m_pack_version.hash_type.isEmpty() && !m_pack_version.hash.isEmpty()) {
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switch (Hashing::algorithmFromString(m_pack_version.hash_type)) {
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case Hashing::Algorithm::Md4:
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action->addValidator(new Net::ChecksumValidator(QCryptographicHash::Algorithm::Md4, m_pack_version.hash));
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break;
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case Hashing::Algorithm::Md5:
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action->addValidator(new Net::ChecksumValidator(QCryptographicHash::Algorithm::Md5, m_pack_version.hash));
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break;
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case Hashing::Algorithm::Sha1:
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action->addValidator(new Net::ChecksumValidator(QCryptographicHash::Algorithm::Sha1, m_pack_version.hash));
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break;
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case Hashing::Algorithm::Sha256:
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action->addValidator(new Net::ChecksumValidator(QCryptographicHash::Algorithm::Sha256, m_pack_version.hash));
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break;
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case Hashing::Algorithm::Sha512:
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action->addValidator(new Net::ChecksumValidator(QCryptographicHash::Algorithm::Sha512, m_pack_version.hash));
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break;
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default:
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break;
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}
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}
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m_filesNetJob->addNetAction(action);
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connect(m_filesNetJob.get(), &NetJob::succeeded, this, &ResourceDownloadTask::downloadSucceeded);
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connect(m_filesNetJob.get(), &NetJob::progress, this, &ResourceDownloadTask::downloadProgressChanged);
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connect(m_filesNetJob.get(), &NetJob::stepProgress, this, &ResourceDownloadTask::propagateStepProgress);
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connect(m_filesNetJob.get(), &NetJob::failed, this, &ResourceDownloadTask::downloadFailed);
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addTask(m_filesNetJob);
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}
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void ResourceDownloadTask::downloadSucceeded()
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{
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m_filesNetJob.reset();
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auto name = std::get<0>(to_delete);
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auto filename = std::get<1>(to_delete);
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if (!name.isEmpty() && filename != m_pack_version.fileName) {
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if (auto model = dynamic_cast<ModFolderModel*>(m_pack_model.get()); model)
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model->uninstallMod(filename, true);
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else
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m_pack_model->uninstallResource(filename);
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}
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}
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void ResourceDownloadTask::downloadFailed(QString reason)
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{
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emitFailed(reason);
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m_filesNetJob.reset();
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}
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void ResourceDownloadTask::downloadProgressChanged(qint64 current, qint64 total)
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{
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emit progress(current, total);
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}
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// This indirection is done so that we don't delete a mod before being sure it was
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// downloaded successfully!
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void ResourceDownloadTask::hasOldResource(QString name, QString filename)
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{
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to_delete = { name, filename };
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}
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