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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 "SingleZipPackInstallTask.h"
#include <QtConcurrent>
#include "MMCZip.h"
#include "TechnicPackProcessor.h"
#include "FileSystem.h"
#include "Application.h"
#include "net/ApiDownload.h"
Technic::SingleZipPackInstallTask::SingleZipPackInstallTask(const QUrl &sourceUrl, const QString &minecraftVersion)
{
m_sourceUrl = sourceUrl;
m_minecraftVersion = minecraftVersion;
}
bool Technic::SingleZipPackInstallTask::abort() {
if(m_abortable)
{
return m_filesNetJob->abort();
}
return false;
}
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 = APPLICATION->metacache()->resolveEntry("general", path);
entry->setStale(true);
m_filesNetJob.reset(new NetJob(tr("Modpack download"), APPLICATION->network()));
m_filesNetJob->addNetAction(Net::ApiDownload::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::stepProgress, this, &Technic::SingleZipPackInstallTask::propagateStepProgress);
connect(job, &NetJob::failed, this, &Technic::SingleZipPackInstallTask::downloadFailed);
m_filesNetJob->start();
}
void Technic::SingleZipPackInstallTask::downloadSucceeded()
{
m_abortable = false;
setStatus(tr("Extracting modpack"));
QDir extractDir(FS::PathCombine(m_stagingPath, ".minecraft"));
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)
{
m_abortable = false;
emitFailed(reason);
m_filesNetJob.reset();
}
void Technic::SingleZipPackInstallTask::downloadProgressChanged(qint64 current, qint64 total)
{
m_abortable = true;
setProgress(current / 2, total);
}
void Technic::SingleZipPackInstallTask::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;
}
}
}
auto packProcessor = makeShared<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, name(), m_instIcon, m_stagingPath, m_minecraftVersion);
}
void Technic::SingleZipPackInstallTask::extractAborted()
{
emitFailed(tr("Instance import has been aborted."));
}
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