102 lines
2.6 KiB
C++
102 lines
2.6 KiB
C++
/* Copyright 2013-2017 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "ExtractNatives.h"
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#include <minecraft/MinecraftInstance.h>
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#include <launch/LaunchTask.h>
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#include <quazip.h>
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#include <JlCompress.h>
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#include <quazipdir.h>
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#include "MMCZip.h"
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#include "FileSystem.h"
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#include <QDir>
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static QString replaceSuffix (QString target, const QString &suffix, const QString &replacement)
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{
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if (!target.endsWith(suffix))
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{
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return target;
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}
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target.resize(target.length() - suffix.length());
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return target + replacement;
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}
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static bool unzipNatives(QString source, QString targetFolder, bool applyJnilibHack)
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{
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QuaZip zip(source);
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if(!zip.open(QuaZip::mdUnzip))
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{
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return false;
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}
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QDir directory(targetFolder);
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if (!zip.goToFirstFile())
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{
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return false;
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}
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do
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{
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QString name = zip.getCurrentFileName();
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if(applyJnilibHack)
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{
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name = replaceSuffix(name, ".jnilib", ".dylib");
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}
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QString absFilePath = directory.absoluteFilePath(name);
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if (!MMCZip::extractFile(&zip, "", absFilePath))
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{
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return false;
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}
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} while (zip.goToNextFile());
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zip.close();
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if(zip.getZipError()!=0)
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{
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return false;
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}
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return true;
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}
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void ExtractNatives::executeTask()
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{
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auto instance = m_parent->instance();
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std::shared_ptr<MinecraftInstance> minecraftInstance = std::dynamic_pointer_cast<MinecraftInstance>(instance);
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auto toExtract = minecraftInstance->getNativeJars();
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if(toExtract.isEmpty())
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{
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emitSucceeded();
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return;
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}
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auto outputPath = minecraftInstance->getNativePath();
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auto javaVersion = minecraftInstance->getJavaVersion();
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bool jniHackEnabled = javaVersion.major() >= 8;
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for(const auto &source: toExtract)
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{
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if(!unzipNatives(source, outputPath, jniHackEnabled))
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{
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auto reason = tr("Couldn't extract native jar '%1' to destination '%2'").arg(source, outputPath);
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emit logLine(reason, MessageLevel::Fatal);
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emitFailed(reason);
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}
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}
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emitSucceeded();
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}
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void ExtractNatives::finalize()
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{
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auto instance = m_parent->instance();
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QString target_dir = FS::PathCombine(instance->instanceRoot(), "natives/");
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QDir dir(target_dir);
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dir.removeRecursively();
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}
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