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// SPDX-License-Identifier: GPL-3.0-only
/*
* Prism Launcher - Minecraft Launcher
* Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
*
* 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 "PackFetchTask.h"
#include "PrivatePackManager.h"
#include <QDomDocument>
#include "Application.h"
#include "BuildConfig.h"
#include "net/ApiDownload.h"
namespace LegacyFTB {
void PackFetchTask::fetch()
{
publicPacks.clear();
thirdPartyPacks.clear();
jobPtr.reset(new NetJob("LegacyFTB::ModpackFetch", m_network));
QUrl publicPacksUrl = QUrl(BuildConfig.LEGACY_FTB_CDN_BASE_URL + "static/modpacks.xml");
qDebug() << "Downloading public version info from" << publicPacksUrl.toString();
jobPtr->addNetAction(Net::ApiDownload::makeByteArray(publicPacksUrl, publicModpacksXmlFileData));
QUrl thirdPartyUrl = QUrl(BuildConfig.LEGACY_FTB_CDN_BASE_URL + "static/thirdparty.xml");
qDebug() << "Downloading thirdparty version info from" << thirdPartyUrl.toString();
jobPtr->addNetAction(Net::Download::makeByteArray(thirdPartyUrl, thirdPartyModpacksXmlFileData));
QObject::connect(jobPtr.get(), &NetJob::succeeded, this, &PackFetchTask::fileDownloadFinished);
QObject::connect(jobPtr.get(), &NetJob::failed, this, &PackFetchTask::fileDownloadFailed);
QObject::connect(jobPtr.get(), &NetJob::aborted, this, &PackFetchTask::fileDownloadAborted);
jobPtr->start();
}
void PackFetchTask::fetchPrivate(const QStringList& toFetch)
{
QString privatePackBaseUrl = BuildConfig.LEGACY_FTB_CDN_BASE_URL + "static/%1.xml";
for (auto& packCode : toFetch) {
auto data = std::make_shared<QByteArray>();
NetJob* job = new NetJob("Fetching private pack", m_network);
job->addNetAction(Net::ApiDownload::makeByteArray(privatePackBaseUrl.arg(packCode), data));
QObject::connect(job, &NetJob::succeeded, this, [this, job, data, packCode] {
ModpackList packs;
parseAndAddPacks(*data, PackType::Private, packs);
foreach (Modpack currentPack, packs) {
currentPack.packCode = packCode;
emit privateFileDownloadFinished(currentPack);
}
job->deleteLater();
data->clear();
});
QObject::connect(job, &NetJob::failed, this, [this, job, packCode, data](QString reason) {
emit privateFileDownloadFailed(reason, packCode);
job->deleteLater();
data->clear();
});
QObject::connect(job, &NetJob::aborted, this, [this, job, data] {
emit aborted();
job->deleteLater();
data->clear();
});
job->start();
}
}
void PackFetchTask::fileDownloadFinished()
{
jobPtr.reset();
QStringList failedLists;
if (!parseAndAddPacks(*publicModpacksXmlFileData, PackType::Public, publicPacks)) {
failedLists.append(tr("Public Packs"));
}
if (!parseAndAddPacks(*thirdPartyModpacksXmlFileData, PackType::ThirdParty, thirdPartyPacks)) {
failedLists.append(tr("Third Party Packs"));
}
if (failedLists.size() > 0) {
emit failed(tr("Failed to download some pack lists: %1").arg(failedLists.join("\n- ")));
} else {
emit finished(publicPacks, thirdPartyPacks);
}
}
bool PackFetchTask::parseAndAddPacks(QByteArray& data, PackType packType, ModpackList& list)
{
QDomDocument doc;
QString errorMsg = "Unknown error.";
int errorLine = -1;
int errorCol = -1;
if (!doc.setContent(data, false, &errorMsg, &errorLine, &errorCol)) {
auto fullErrMsg = QString("Failed to fetch modpack data: %1 %2:%3!").arg(errorMsg).arg(errorLine).arg(errorCol);
qWarning() << fullErrMsg;
data.clear();
return false;
}
QDomNodeList nodes = doc.elementsByTagName("modpack");
for (int i = 0; i < nodes.length(); i++) {
QDomElement element = nodes.at(i).toElement();
Modpack modpack;
modpack.name = element.attribute("name");
modpack.currentVersion = element.attribute("version");
modpack.mcVersion = element.attribute("mcVersion");
modpack.description = element.attribute("description");
modpack.mods = element.attribute("mods");
modpack.logo = element.attribute("logo");
modpack.oldVersions = element.attribute("oldVersions").split(";");
modpack.broken = false;
modpack.bugged = false;
// remove empty if the xml is bugged
for (QString curr : modpack.oldVersions) {
if (curr.isNull() || curr.isEmpty()) {
modpack.oldVersions.removeAll(curr);
modpack.bugged = true;
qWarning() << "Removed some empty versions from" << modpack.name;
}
}
if (modpack.oldVersions.size() < 1) {
if (!modpack.currentVersion.isNull() && !modpack.currentVersion.isEmpty()) {
modpack.oldVersions.append(modpack.currentVersion);
qWarning() << "Added current version to oldVersions because oldVersions was empty! (" + modpack.name + ")";
} else {
modpack.broken = true;
qWarning() << "Broken pack:" << modpack.name << " => No valid version!";
}
}
modpack.author = element.attribute("author");
modpack.dir = element.attribute("dir");
modpack.file = element.attribute("url");
modpack.type = packType;
list.append(modpack);
}
return true;
}
void PackFetchTask::fileDownloadFailed(QString reason)
{
qWarning() << "Fetching FTBPacks failed:" << reason;
emit failed(reason);
}
void PackFetchTask::fileDownloadAborted()
{
emit aborted();
}
} // namespace LegacyFTB
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