PrismLauncher/api/logic/modplatform/technic/SingleZipPackInstallTask.cpp
kb1000 8021fb25d0 GH-469 Implement support for importing and searching for Technic Platform and Solder modpacks
This does not support any custom modpack.jar for 1.6 or newer, it simply uses standard Forge then.
Supports Forge and Fabric, and JAR mods for 1.5 and older.
2020-10-13 21:34:16 +02:00

130 lines
4.8 KiB
C++

/* Copyright 2013-2020 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 "SingleZipPackInstallTask.h"
#include "Env.h"
#include "MMCZip.h"
#include "TechnicPackProcessor.h"
#include <QtConcurrent>
Technic::SingleZipPackInstallTask::SingleZipPackInstallTask(const QUrl &sourceUrl, const QString &minecraftVersion)
{
m_sourceUrl = sourceUrl;
m_minecraftVersion = minecraftVersion;
}
void Technic::SingleZipPackInstallTask::executeTask()
{
setStatus(tr("Downloading modpack:\n%1").arg(m_sourceUrl.toString()));
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, &Technic::SingleZipPackInstallTask::downloadSucceeded);
connect(job, &NetJob::progress, this, &Technic::SingleZipPackInstallTask::downloadProgressChanged);
connect(job, &NetJob::failed, this, &Technic::SingleZipPackInstallTask::downloadFailed);
m_filesNetJob->start();
}
void Technic::SingleZipPackInstallTask::downloadSucceeded()
{
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;
}
m_extractFuture = QtConcurrent::run(QThreadPool::globalInstance(), MMCZip::extractSubDir, m_packZip.get(), QString(""), extractDir.absolutePath());
connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::finished, this, &Technic::SingleZipPackInstallTask::extractFinished);
connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::canceled, this, &Technic::SingleZipPackInstallTask::extractAborted);
m_extractFutureWatcher.setFuture(m_extractFuture);
m_filesNetJob.reset();
}
void Technic::SingleZipPackInstallTask::downloadFailed(QString reason)
{
emitFailed(reason);
m_filesNetJob.reset();
}
void Technic::SingleZipPackInstallTask::downloadProgressChanged(qint64 current, qint64 total)
{
setProgress(current / 2, total);
}
void Technic::SingleZipPackInstallTask::extractFinished()
{
m_packZip.reset();
if (m_extractFuture.result().isEmpty())
{
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;
}
}
}
shared_qobject_ptr<Technic::TechnicPackProcessor> packProcessor = new Technic::TechnicPackProcessor();
connect(packProcessor.get(), &Technic::TechnicPackProcessor::succeeded, this, &Technic::SingleZipPackInstallTask::emitSucceeded);
connect(packProcessor.get(), &Technic::TechnicPackProcessor::failed, this, &Technic::SingleZipPackInstallTask::emitFailed);
packProcessor->run(m_globalSettings, m_instName, m_instIcon, m_stagingPath, m_minecraftVersion);
}
void Technic::SingleZipPackInstallTask::extractAborted()
{
emitFailed(tr("Instance import has been aborted."));
}