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pollymc/launcher/InstanceImportTask.cpp

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/* 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 "InstanceImportTask.h"
#include "BaseInstance.h"
#include "FileSystem.h"
#include "Env.h"
#include "MMCZip.h"
#include "NullInstance.h"
#include "settings/INISettingsObject.h"
#include "icons/IIconList.h"
#include "icons/IconUtils.h"
#include <QtConcurrentRun>
// FIXME: this does not belong here, it's Minecraft/Flame specific
#include "minecraft/MinecraftInstance.h"
#include "minecraft/PackProfile.h"
#include "modplatform/flame/FileResolvingTask.h"
#include "modplatform/flame/PackManifest.h"
#include "Json.h"
#include <quazipdir.h>
#include "modplatform/technic/TechnicPackProcessor.h"
InstanceImportTask::InstanceImportTask(const QUrl sourceUrl)
{
m_sourceUrl = sourceUrl;
}
void InstanceImportTask::executeTask()
{
if (m_sourceUrl.isLocalFile())
{
m_archivePath = m_sourceUrl.toLocalFile();
processZipPack();
}
else
{
setStatus(tr("Downloading modpack:\n%1").arg(m_sourceUrl.toString()));
m_downloadRequired = true;
const QString path = m_sourceUrl.host() + '/' + m_sourceUrl.path();
auto entry = ENV.metacache()->resolveEntry("general", path);
entry->setStale(true);
m_filesNetJob.reset(new NetJob(tr("Modpack download")));
m_filesNetJob->addNetAction(Net::Download::makeCached(m_sourceUrl, entry));
m_archivePath = entry->getFullPath();
auto job = m_filesNetJob.get();
connect(job, &NetJob::succeeded, this, &InstanceImportTask::downloadSucceeded);
connect(job, &NetJob::progress, this, &InstanceImportTask::downloadProgressChanged);
connect(job, &NetJob::failed, this, &InstanceImportTask::downloadFailed);
m_filesNetJob->start();
}
}
void InstanceImportTask::downloadSucceeded()
{
processZipPack();
m_filesNetJob.reset();
}
void InstanceImportTask::downloadFailed(QString reason)
{
emitFailed(reason);
m_filesNetJob.reset();
}
void InstanceImportTask::downloadProgressChanged(qint64 current, qint64 total)
{
setProgress(current / 2, total);
}
void InstanceImportTask::processZipPack()
{
setStatus(tr("Extracting modpack"));
QDir extractDir(m_stagingPath);
qDebug() << "Attempting to create instance from" << m_archivePath;
// open the zip and find relevant files in it
m_packZip.reset(new QuaZip(m_archivePath));
if (!m_packZip->open(QuaZip::mdUnzip))
{
emitFailed(tr("Unable to open supplied modpack zip file."));
return;
}
QStringList blacklist = {"instance.cfg", "manifest.json"};
QString mmcFound = MMCZip::findFolderOfFileInZip(m_packZip.get(), "instance.cfg");
bool technicFound = QuaZipDir(m_packZip.get()).exists("/bin/modpack.jar") || QuaZipDir(m_packZip.get()).exists("/bin/version.json");
QString flameFound = MMCZip::findFolderOfFileInZip(m_packZip.get(), "manifest.json");
QString root;
if(!mmcFound.isNull())
{
// process as MultiMC instance/pack
qDebug() << "MultiMC:" << mmcFound;
root = mmcFound;
m_modpackType = ModpackType::MultiMC;
}
else if (technicFound)
{
// process as Technic pack
qDebug() << "Technic:" << technicFound;
extractDir.mkpath(".minecraft");
extractDir.cd(".minecraft");
m_modpackType = ModpackType::Technic;
}
else if(!flameFound.isNull())
{
// process as Flame pack
qDebug() << "Flame:" << flameFound;
root = flameFound;
m_modpackType = ModpackType::Flame;
}
if(m_modpackType == ModpackType::Unknown)
{
emitFailed(tr("Archive does not contain a recognized modpack type."));
return;
}
// make sure we extract just the pack
m_extractFuture = QtConcurrent::run(QThreadPool::globalInstance(), MMCZip::extractSubDir, m_packZip.get(), root, extractDir.absolutePath());
connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::finished, this, &InstanceImportTask::extractFinished);
connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::canceled, this, &InstanceImportTask::extractAborted);
m_extractFutureWatcher.setFuture(m_extractFuture);
}
void InstanceImportTask::extractFinished()
{
m_packZip.reset();
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;
}
}
}
switch(m_modpackType)
{
case ModpackType::Flame:
processFlame();
return;
case ModpackType::MultiMC:
processMultiMC();
return;
case ModpackType::Technic:
processTechnic();
return;
case ModpackType::Unknown:
emitFailed(tr("Archive does not contain a recognized modpack type."));
return;
}
}
void InstanceImportTask::extractAborted()
{
emitFailed(tr("Instance import has been aborted."));
return;
}
void InstanceImportTask::processFlame()
{
const static QMap<QString,QString> forgemap = {
{"1.2.5", "3.4.9.171"},
{"1.4.2", "6.0.1.355"},
{"1.4.7", "6.6.2.534"},
{"1.5.2", "7.8.1.737"}
};
Flame::Manifest pack;
try
{
QString configPath = FS::PathCombine(m_stagingPath, "manifest.json");
Flame::loadManifest(pack, configPath);
QFile::remove(configPath);
}
catch (const JSONValidationError &e)
{
emitFailed(tr("Could not understand pack manifest:\n") + e.cause());
return;
}
if(!pack.overrides.isEmpty())
{
QString overridePath = FS::PathCombine(m_stagingPath, pack.overrides);
if (QFile::exists(overridePath))
{
QString mcPath = FS::PathCombine(m_stagingPath, "minecraft");
if (!QFile::rename(overridePath, mcPath))
{
emitFailed(tr("Could not rename the overrides folder:\n") + pack.overrides);
return;
}
}
else
{
logWarning(tr("The specified overrides folder (%1) is missing. Maybe the modpack was already used before?").arg(pack.overrides));
}
}
QString forgeVersion;
QString fabricVersion;
for(auto &loader: pack.minecraft.modLoaders)
{
auto id = loader.id;
if(id.startsWith("forge-"))
{
id.remove("forge-");
forgeVersion = id;
continue;
}
if(id.startsWith("fabric-"))
{
id.remove("fabric-");
fabricVersion = id;
continue;
}
logWarning(tr("Unknown mod loader in manifest: %1").arg(id));
}
QString configPath = FS::PathCombine(m_stagingPath, "instance.cfg");
auto instanceSettings = std::make_shared<INISettingsObject>(configPath);
instanceSettings->registerSetting("InstanceType", "Legacy");
instanceSettings->set("InstanceType", "OneSix");
MinecraftInstance instance(m_globalSettings, instanceSettings, m_stagingPath);
auto mcVersion = pack.minecraft.version;
// Hack to correct some 'special sauce'...
if(mcVersion.endsWith('.'))
{
mcVersion.remove(QRegExp("[.]+$"));
logWarning(tr("Mysterious trailing dots removed from Minecraft version while importing pack."));
}
auto components = instance.getPackProfile();
components->buildingFromScratch();
components->setComponentVersion("net.minecraft", mcVersion, true);
if(!forgeVersion.isEmpty())
{
// FIXME: dirty, nasty, hack. Proper solution requires dependency resolution and knowledge of the metadata.
if(forgeVersion == "recommended")
{
if(forgemap.contains(mcVersion))
{
forgeVersion = forgemap[mcVersion];
}
else
{
logWarning(tr("Could not map recommended forge version for Minecraft %1").arg(mcVersion));
}
}
components->setComponentVersion("net.minecraftforge", forgeVersion);
}
if(!fabricVersion.isEmpty())
{
components->setComponentVersion("net.fabricmc.fabric-loader", fabricVersion);
}
if (m_instIcon != "default")
{
instance.setIconKey(m_instIcon);
}
else
{
if(pack.name.contains("Direwolf20"))
{
instance.setIconKey("steve");
}
else if(pack.name.contains("FTB") || pack.name.contains("Feed The Beast"))
{
instance.setIconKey("ftb_logo");
}
else
{
// default to something other than the MultiMC default to distinguish these
instance.setIconKey("flame");
}
}
QString jarmodsPath = FS::PathCombine(m_stagingPath, "minecraft", "jarmods");
QFileInfo jarmodsInfo(jarmodsPath);
if(jarmodsInfo.isDir())
{
// install all the jar mods
qDebug() << "Found jarmods:";
QDir jarmodsDir(jarmodsPath);
QStringList jarMods;
for (auto info: jarmodsDir.entryInfoList(QDir::NoDotAndDotDot | QDir::Files))
{
qDebug() << info.fileName();
jarMods.push_back(info.absoluteFilePath());
}
auto profile = instance.getPackProfile();
profile->installJarMods(jarMods);
// nuke the original files
FS::deletePath(jarmodsPath);
}
instance.setName(m_instName);
m_modIdResolver.reset(new Flame::FileResolvingTask(pack));
connect(m_modIdResolver.get(), &Flame::FileResolvingTask::succeeded, [&]()
{
auto results = m_modIdResolver->getResults();
m_filesNetJob.reset(new NetJob(tr("Mod download")));
for(auto result: results.files)
{
QString filename = result.fileName;
if(!result.required)
{
filename += ".disabled";
}
auto relpath = FS::PathCombine("minecraft", result.targetFolder, filename);
auto path = FS::PathCombine(m_stagingPath , relpath);
switch(result.type)
{
case Flame::File::Type::Folder:
{
logWarning(tr("This 'Folder' may need extracting: %1").arg(relpath));
// fall-through intentional, we treat these as plain old mods and dump them wherever.
}
case Flame::File::Type::SingleFile:
case Flame::File::Type::Mod:
{
qDebug() << "Will download" << result.url << "to" << path;
auto dl = Net::Download::makeFile(result.url, path);
m_filesNetJob->addNetAction(dl);
break;
}
case Flame::File::Type::Modpack:
logWarning(tr("Nesting modpacks in modpacks is not implemented, nothing was downloaded: %1").arg(relpath));
break;
case Flame::File::Type::Cmod2:
case Flame::File::Type::Ctoc:
case Flame::File::Type::Unknown:
logWarning(tr("Unrecognized/unhandled PackageType for: %1").arg(relpath));
break;
}
}
m_modIdResolver.reset();
connect(m_filesNetJob.get(), &NetJob::succeeded, this, [&]()
{
m_filesNetJob.reset();
emitSucceeded();
}
);
connect(m_filesNetJob.get(), &NetJob::failed, [&](QString reason)
{
m_filesNetJob.reset();
emitFailed(reason);
});
connect(m_filesNetJob.get(), &NetJob::progress, [&](qint64 current, qint64 total)
{
setProgress(current, total);
});
setStatus(tr("Downloading mods..."));
m_filesNetJob->start();
}
);
connect(m_modIdResolver.get(), &Flame::FileResolvingTask::failed, [&](QString reason)
{
m_modIdResolver.reset();
emitFailed(tr("Unable to resolve mod IDs:\n") + reason);
});
connect(m_modIdResolver.get(), &Flame::FileResolvingTask::progress, [&](qint64 current, qint64 total)
{
setProgress(current, total);
});
connect(m_modIdResolver.get(), &Flame::FileResolvingTask::status, [&](QString status)
{
setStatus(status);
});
m_modIdResolver->start();
}
void InstanceImportTask::processTechnic()
{
shared_qobject_ptr<Technic::TechnicPackProcessor> packProcessor = new Technic::TechnicPackProcessor();
connect(packProcessor.get(), &Technic::TechnicPackProcessor::succeeded, this, &InstanceImportTask::emitSucceeded);
connect(packProcessor.get(), &Technic::TechnicPackProcessor::failed, this, &InstanceImportTask::emitFailed);
packProcessor->run(m_globalSettings, m_instName, m_instIcon, m_stagingPath);
}
void InstanceImportTask::processMultiMC()
{
// FIXME: copy from FolderInstanceProvider!!! FIX IT!!!
QString configPath = FS::PathCombine(m_stagingPath, "instance.cfg");
auto instanceSettings = std::make_shared<INISettingsObject>(configPath);
instanceSettings->registerSetting("InstanceType", "Legacy");
NullInstance instance(m_globalSettings, instanceSettings, m_stagingPath);
// reset time played on import... because packs.
instance.resetTimePlayed();
// set a new nice name
instance.setName(m_instName);
// if the icon was specified by user, use that. otherwise pull icon from the pack
if (m_instIcon != "default")
{
instance.setIconKey(m_instIcon);
}
else
{
m_instIcon = instance.iconKey();
auto importIconPath = IconUtils::findBestIconIn(instance.instanceRoot(), m_instIcon);
if (!importIconPath.isNull() && QFile::exists(importIconPath))
{
// import icon
auto iconList = ENV.icons();
if (iconList->iconFileExists(m_instIcon))
{
iconList->deleteIcon(m_instIcon);
}
iconList->installIcons({importIconPath});
}
}
emitSucceeded();
}
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