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/* 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 "SolderPackInstallTask.h"
#include <FileSystem.h>
#include <Json.h>
#include <QtConcurrentRun>
#include <MMCZip.h>
#include "TechnicPackProcessor.h"
Technic::SolderPackInstallTask::SolderPackInstallTask(const QUrl &sourceUrl, const QString &minecraftVersion)
{
m_sourceUrl = sourceUrl;
m_minecraftVersion = minecraftVersion;
}
void Technic::SolderPackInstallTask::executeTask()
{
setStatus(tr("Finding recommended version:\n%1").arg(m_sourceUrl.toString()));
m_filesNetJob.reset(new NetJob(tr("Finding recommended version")));
m_filesNetJob->addNetAction(Net::Download::makeByteArray(m_sourceUrl, &m_response));
auto job = m_filesNetJob.get();
connect(job, &NetJob::succeeded, this, &Technic::SolderPackInstallTask::versionSucceeded);
connect(job, &NetJob::failed, this, &Technic::SolderPackInstallTask::downloadFailed);
m_filesNetJob->start();
}
void Technic::SolderPackInstallTask::versionSucceeded()
{
try
{
QJsonDocument doc = Json::requireDocument(m_response);
QJsonObject obj = Json::requireObject(doc);
QString version = Json::requireString(obj, "recommended", "__placeholder__");
m_sourceUrl = m_sourceUrl.toString() + '/' + version;
}
catch (const JSONValidationError &e)
{
emitFailed(e.cause());
m_filesNetJob.reset();
return;
}
setStatus(tr("Resolving modpack files:\n%1").arg(m_sourceUrl.toString()));
m_filesNetJob.reset(new NetJob(tr("Resolving modpack files")));
m_filesNetJob->addNetAction(Net::Download::makeByteArray(m_sourceUrl, &m_response));
auto job = m_filesNetJob.get();
connect(job, &NetJob::succeeded, this, &Technic::SolderPackInstallTask::fileListSucceeded);
connect(job, &NetJob::failed, this, &Technic::SolderPackInstallTask::downloadFailed);
m_filesNetJob->start();
}
void Technic::SolderPackInstallTask::fileListSucceeded()
{
setStatus(tr("Downloading modpack:"));
QStringList modUrls;
try
{
QJsonDocument doc = Json::requireDocument(m_response);
QJsonObject obj = Json::requireObject(doc);
QString minecraftVersion = Json::ensureString(obj, "minecraft", QString(), "__placeholder__");
if (!minecraftVersion.isEmpty())
m_minecraftVersion = minecraftVersion;
QJsonArray mods = Json::requireArray(obj, "mods", "'mods'");
for (auto mod: mods)
{
QJsonObject modObject = Json::requireObject(mod);
modUrls.append(Json::requireString(modObject, "url", "'url'"));
}
}
catch (const JSONValidationError &e)
{
emitFailed(e.cause());
m_filesNetJob.reset();
return;
}
m_filesNetJob.reset(new NetJob(tr("Downloading modpack")));
int i = 0;
for (auto &modUrl: modUrls)
{
auto path = FS::PathCombine(m_outputDir.path(), QString("%1").arg(i));
m_filesNetJob->addNetAction(Net::Download::makeFile(modUrl, path));
i++;
}
m_modCount = modUrls.size();
connect(m_filesNetJob.get(), &NetJob::succeeded, this, &Technic::SolderPackInstallTask::downloadSucceeded);
connect(m_filesNetJob.get(), &NetJob::progress, this, &Technic::SolderPackInstallTask::downloadProgressChanged);
connect(m_filesNetJob.get(), &NetJob::failed, this, &Technic::SolderPackInstallTask::downloadFailed);
m_filesNetJob->start();
}
void Technic::SolderPackInstallTask::downloadSucceeded()
{
setStatus(tr("Extracting modpack"));
m_filesNetJob.reset();
m_extractFuture = QtConcurrent::run([this]()
{
int i = 0;
QString extractDir = FS::PathCombine(m_stagingPath, ".minecraft");
FS::ensureFolderPathExists(extractDir);
while (m_modCount > i)
{
auto path = FS::PathCombine(m_outputDir.path(), QString("%1").arg(i));
if (MMCZip::extractDir(path, extractDir).isEmpty())
{
return false;
}
i++;
}
return true;
});
connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::finished, this, &Technic::SolderPackInstallTask::extractFinished);
connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::canceled, this, &Technic::SolderPackInstallTask::extractAborted);
m_extractFutureWatcher.setFuture(m_extractFuture);
}
void Technic::SolderPackInstallTask::downloadFailed(QString reason)
{
emitFailed(reason);
m_filesNetJob.reset();
}
void Technic::SolderPackInstallTask::downloadProgressChanged(qint64 current, qint64 total)
{
setProgress(current / 2, total);
}
void Technic::SolderPackInstallTask::extractFinished()
{
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;
}
}
}
shared_qobject_ptr<Technic::TechnicPackProcessor> packProcessor = new Technic::TechnicPackProcessor();
connect(packProcessor.get(), &Technic::TechnicPackProcessor::succeeded, this, &Technic::SolderPackInstallTask::emitSucceeded);
connect(packProcessor.get(), &Technic::TechnicPackProcessor::failed, this, &Technic::SolderPackInstallTask::emitFailed);
packProcessor->run(m_globalSettings, m_instName, m_instIcon, m_stagingPath, m_minecraftVersion, true);
}
void Technic::SolderPackInstallTask::extractAborted()
{
emitFailed(tr("Instance import has been aborted."));
return;
}
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