ff67fd10c3
Fixes PrismLauncher/PrismLauncher#513 Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>
107 lines
3.3 KiB
C++
107 lines
3.3 KiB
C++
/* Copyright 2013-2021 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 <launch/LaunchTask.h>
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#include <minecraft/MinecraftInstance.h>
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#include <quazip/quazip.h>
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#include <quazip/quazipdir.h>
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#include <QDir>
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#include "FileSystem.h"
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#include "MMCZip.h"
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#ifdef major
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#undef major
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#endif
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#ifdef minor
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#undef minor
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#endif
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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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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, bool nativeOpenAL)
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{
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QuaZip zip(source);
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if (!zip.open(QuaZip::mdUnzip)) {
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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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return false;
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}
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do {
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QString name = zip.getCurrentFileName();
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auto lowercase = name.toLower();
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if (nativeOpenAL && name.contains("openal")) {
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continue;
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}
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if (applyJnilibHack) {
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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 (!JlCompress::extractFile(&zip, "", absFilePath)) {
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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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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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emitSucceeded();
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return;
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}
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auto settings = minecraftInstance->settings();
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// We only need OpenAL here, as modern versions of LWJGL (3+) are handled by JVM args, while older versions (2) didn't have GLFW
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bool nativeOpenAL = settings->get("UseNativeOpenAL").toBool();
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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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if (!unzipNatives(source, outputPath, jniHackEnabled, nativeOpenAL)) {
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const char* reason = QT_TR_NOOP("Couldn't extract native jar '%1' to destination '%2'");
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emit logLine(QString(reason).arg(source, outputPath), MessageLevel::Fatal);
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emitFailed(tr(reason).arg(source, outputPath));
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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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