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authorMehmet Samet Duman <yongdohyun@projecttick.org>2026-04-02 18:51:45 +0300
committerMehmet Samet Duman <yongdohyun@projecttick.org>2026-04-02 18:51:45 +0300
commitd3261e64152397db2dca4d691a990c6bc2a6f4dd (patch)
treefac2f7be638651181a72453d714f0f96675c2b8b /archived/projt-launcher/launcher/MMCZip.cpp
parent31b9a8949ed0a288143e23bf739f2eb64fdc63be (diff)
downloadProject-Tick-d3261e64152397db2dca4d691a990c6bc2a6f4dd.tar.gz
Project-Tick-d3261e64152397db2dca4d691a990c6bc2a6f4dd.zip
NOISSUE add archived projects
Signed-off-by: Mehmet Samet Duman <yongdohyun@projecttick.org>
Diffstat (limited to 'archived/projt-launcher/launcher/MMCZip.cpp')
-rw-r--r--archived/projt-launcher/launcher/MMCZip.cpp872
1 files changed, 872 insertions, 0 deletions
diff --git a/archived/projt-launcher/launcher/MMCZip.cpp b/archived/projt-launcher/launcher/MMCZip.cpp
new file mode 100644
index 0000000000..9c5c095092
--- /dev/null
+++ b/archived/projt-launcher/launcher/MMCZip.cpp
@@ -0,0 +1,872 @@
+// SPDX-License-Identifier: GPL-3.0-only
+// SPDX-FileCopyrightText: 2026 Project Tick
+// SPDX-FileContributor: Project Tick Team
+/*
+ * ProjT Launcher - Minecraft Launcher
+ * Copyright (C) 2026 Project Tick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * === Upstream License Block (Do Not Modify) ==============================
+ *
+ *
+ *
+ * Prism Launcher - Minecraft Launcher
+ * Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ * Copyright (c) 2023-2024 Trial97 <alexandru.tripon97@gmail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ * 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 "MMCZip.h"
+#include <quazip/quazip.h>
+#include <quazip/quazipdir.h>
+#include <quazip/quazipfile.h>
+#include <quazip/quazipfileinfo.h>
+#include "FileSystem.h"
+
+#include <QCoreApplication>
+#include <QDebug>
+#include <QFileInfo>
+#include <QUrl>
+
+#if defined(LAUNCHER_APPLICATION)
+#include <QtConcurrentRun>
+#endif
+
+namespace
+{
+ bool isWithinExtractionRoot(const QDir& root, const QString& path)
+ {
+ const auto cleanRoot = QDir::cleanPath(root.absolutePath());
+ const auto cleanPath = QDir::cleanPath(path);
+ return cleanPath == cleanRoot || cleanPath.startsWith(cleanRoot + '/');
+ }
+
+ bool symlinkEscapesExtractionRoot(QuaZip* zip, const QString& outputPath, const QDir& root)
+ {
+ QuaZipFileInfo64 info;
+ if (!zip->getCurrentFileInfo(&info) || !info.isSymbolicLink())
+ {
+ return false;
+ }
+
+ QuaZipFile linkFile(zip);
+ if (!linkFile.open(QIODevice::ReadOnly))
+ {
+ return true;
+ }
+
+ const auto linkTarget = QFile::decodeName(linkFile.readAll());
+ linkFile.close();
+
+ QString resolvedTarget;
+ if (QDir::isAbsolutePath(linkTarget))
+ {
+ resolvedTarget = QDir::cleanPath(linkTarget);
+ }
+ else
+ {
+ const auto outputDir = QFileInfo(outputPath).dir();
+ resolvedTarget = QDir::cleanPath(outputDir.absoluteFilePath(linkTarget));
+ }
+
+ return !isWithinExtractionRoot(root, resolvedTarget);
+ }
+} // namespace
+
+namespace MMCZip
+{
+ // ours
+ bool mergeZipFiles(QuaZip* into, QFileInfo from, QSet<QString>& contained, const Filter& filter)
+ {
+ QuaZip modZip(from.filePath());
+ modZip.open(QuaZip::mdUnzip);
+
+ QuaZipFile fileInsideMod(&modZip);
+ QuaZipFile zipOutFile(into);
+ for (bool more = modZip.goToFirstFile(); more; more = modZip.goToNextFile())
+ {
+ QString filename = modZip.getCurrentFileName();
+ if (filter && !filter(filename))
+ {
+ qDebug() << "Skipping file " << filename << " from " << from.fileName() << " - filtered";
+ continue;
+ }
+ if (contained.contains(filename))
+ {
+ qDebug() << "Skipping already contained file " << filename << " from " << from.fileName();
+ continue;
+ }
+ contained.insert(filename);
+
+ if (!fileInsideMod.open(QIODevice::ReadOnly))
+ {
+ qCritical() << "Failed to open " << filename << " from " << from.fileName();
+ return false;
+ }
+
+ QuaZipNewInfo info_out(fileInsideMod.getActualFileName());
+
+ if (!zipOutFile.open(QIODevice::WriteOnly, info_out))
+ {
+ qCritical() << "Failed to open " << filename << " in the jar";
+ fileInsideMod.close();
+ return false;
+ }
+ if (!JlCompress::copyData(fileInsideMod, zipOutFile))
+ {
+ zipOutFile.close();
+ fileInsideMod.close();
+ qCritical() << "Failed to copy data of " << filename << " into the jar";
+ return false;
+ }
+ zipOutFile.close();
+ fileInsideMod.close();
+ }
+ return true;
+ }
+
+ bool compressDirFiles(QuaZip* zip, QString dir, QFileInfoList files, bool followSymlinks)
+ {
+ QDir directory(dir);
+ if (!directory.exists())
+ return false;
+
+ for (auto e : files)
+ {
+ auto filePath = directory.relativeFilePath(e.absoluteFilePath());
+ auto srcPath = e.absoluteFilePath();
+ if (followSymlinks)
+ {
+ if (e.isSymLink())
+ {
+ srcPath = e.symLinkTarget();
+ }
+ else
+ {
+ srcPath = e.canonicalFilePath();
+ }
+ }
+ if (!JlCompress::compressFile(zip, srcPath, filePath))
+ return false;
+ }
+
+ return true;
+ }
+
+ bool compressDirFiles(QString fileCompressed, QString dir, QFileInfoList files, bool followSymlinks)
+ {
+ QuaZip zip(fileCompressed);
+ zip.setUtf8Enabled(true);
+ QDir().mkpath(QFileInfo(fileCompressed).absolutePath());
+ if (!zip.open(QuaZip::mdCreate))
+ {
+ FS::deletePath(fileCompressed);
+ return false;
+ }
+
+ auto result = compressDirFiles(&zip, dir, files, followSymlinks);
+
+ zip.close();
+ if (zip.getZipError() != 0)
+ {
+ FS::deletePath(fileCompressed);
+ return false;
+ }
+
+ return result;
+ }
+
+#if defined(LAUNCHER_APPLICATION)
+ // ours
+ bool createModdedJar(QString sourceJarPath, QString targetJarPath, const QList<Mod*>& mods)
+ {
+ QuaZip zipOut(targetJarPath);
+ zipOut.setUtf8Enabled(true);
+ if (!zipOut.open(QuaZip::mdCreate))
+ {
+ FS::deletePath(targetJarPath);
+ qCritical() << "Failed to open the minecraft.jar for modding";
+ return false;
+ }
+ // Files already added to the jar.
+ // These files will be skipped.
+ QSet<QString> addedFiles;
+
+ // Modify the jar
+ // This needs to be done in reverse-order to ensure we respect the loading order of components
+ for (auto i = mods.crbegin(); i != mods.crend(); i++)
+ {
+ const auto* mod = *i;
+ // do not merge disabled mods.
+ if (!mod->enabled())
+ continue;
+ if (mod->type() == ResourceType::ZIPFILE)
+ {
+ if (!mergeZipFiles(&zipOut, mod->fileinfo(), addedFiles))
+ {
+ zipOut.close();
+ FS::deletePath(targetJarPath);
+ qCritical() << "Failed to add" << mod->fileinfo().fileName() << "to the jar.";
+ return false;
+ }
+ }
+ else if (mod->type() == ResourceType::SINGLEFILE)
+ {
+ auto filename = mod->fileinfo();
+ // Check if file already added to avoid duplicates
+ if (addedFiles.contains(filename.fileName()))
+ {
+ qDebug() << "Skipping duplicate file" << filename.fileName();
+ continue;
+ }
+ if (!JlCompress::compressFile(&zipOut, filename.absoluteFilePath(), filename.fileName()))
+ {
+ zipOut.close();
+ FS::deletePath(targetJarPath);
+ qCritical() << "Failed to add" << mod->fileinfo().fileName() << "to the jar.";
+ return false;
+ }
+ addedFiles.insert(filename.fileName());
+ }
+ else if (mod->type() == ResourceType::FOLDER)
+ {
+ // untested, but seems to be unused / not possible to reach
+ auto filename = mod->fileinfo();
+ QString what_to_zip = filename.absoluteFilePath();
+ QDir dir(what_to_zip);
+ dir.cdUp();
+ QString parent_dir = dir.absolutePath();
+ auto files = QFileInfoList();
+ collectFileListRecursively(what_to_zip, nullptr, &files, nullptr);
+
+ // Remove files that have already been added to avoid duplicates
+ for (auto e : files)
+ {
+ if (addedFiles.contains(e.filePath()))
+ files.removeAll(e);
+ }
+
+ if (!compressDirFiles(&zipOut, parent_dir, files))
+ {
+ zipOut.close();
+ FS::deletePath(targetJarPath);
+ qCritical() << "Failed to add" << mod->fileinfo().fileName() << "to the jar.";
+ return false;
+ }
+ qDebug() << "Adding folder " << filename.fileName() << " from " << filename.absoluteFilePath();
+ }
+ else
+ {
+ // Make sure we do not continue launching when something is missing or undefined...
+ zipOut.close();
+ FS::deletePath(targetJarPath);
+ qCritical() << "Failed to add unknown mod type" << mod->fileinfo().fileName() << "to the jar.";
+ return false;
+ }
+ }
+
+ if (!mergeZipFiles(&zipOut,
+ QFileInfo(sourceJarPath),
+ addedFiles,
+ [](const QString key) { return !key.contains("META-INF"); }))
+ {
+ zipOut.close();
+ FS::deletePath(targetJarPath);
+ qCritical() << "Failed to insert minecraft.jar contents.";
+ return false;
+ }
+
+ // Recompress the jar
+ zipOut.close();
+ if (zipOut.getZipError() != 0)
+ {
+ FS::deletePath(targetJarPath);
+ qCritical() << "Failed to finalize minecraft.jar!";
+ return false;
+ }
+ return true;
+ }
+#endif
+
+ // ours
+ QString findFolderOfFileInZip(QuaZip* zip,
+ const QString& what,
+ const QStringList& ignore_paths,
+ const QString& root)
+ {
+ QuaZipDir rootDir(zip, root);
+ for (auto&& fileName : rootDir.entryList(QDir::Files))
+ {
+ if (fileName == what)
+ return root;
+
+ QCoreApplication::processEvents();
+ }
+
+ // Recurse the search to non-ignored subfolders
+ for (auto&& fileName : rootDir.entryList(QDir::Dirs))
+ {
+ if (ignore_paths.contains(fileName))
+ continue;
+
+ QString result = findFolderOfFileInZip(zip, what, ignore_paths, root + fileName);
+ if (!result.isEmpty())
+ return result;
+ }
+
+ return {};
+ }
+
+ // ours
+ bool findFilesInZip(QuaZip* zip, const QString& what, QStringList& result, const QString& root)
+ {
+ QuaZipDir rootDir(zip, root);
+ for (auto fileName : rootDir.entryList(QDir::Files))
+ {
+ if (fileName == what)
+ {
+ result.append(root);
+ return true;
+ }
+ }
+ for (auto fileName : rootDir.entryList(QDir::Dirs))
+ {
+ findFilesInZip(zip, what, result, root + fileName);
+ }
+ return !result.isEmpty();
+ }
+
+ // ours
+ std::optional<QStringList> extractSubDir(QuaZip* zip, const QString& subdir, const QString& target)
+ {
+ auto target_top_dir = QUrl::fromLocalFile(target);
+
+ QStringList extracted;
+
+ qDebug() << "Extracting subdir" << subdir << "from" << zip->getZipName() << "to" << target;
+ auto numEntries = zip->getEntriesCount();
+ if (numEntries < 0)
+ {
+ qWarning() << "Failed to enumerate files in archive";
+ return std::nullopt;
+ }
+ else if (numEntries == 0)
+ {
+ qDebug() << "Extracting empty archives seems odd...";
+ return extracted;
+ }
+ else if (!zip->goToFirstFile())
+ {
+ qWarning() << "Failed to seek to first file in zip";
+ return std::nullopt;
+ }
+
+ do
+ {
+ QString file_name = zip->getCurrentFileName();
+ file_name = FS::RemoveInvalidPathChars(file_name);
+ if (!file_name.startsWith(subdir))
+ continue;
+
+ auto relative_file_name = QDir::fromNativeSeparators(file_name.mid(subdir.size()));
+ auto original_name = relative_file_name;
+
+ // Fix subdirs/files ending with a / getting transformed into absolute paths
+ if (relative_file_name.startsWith('/'))
+ relative_file_name = relative_file_name.mid(1);
+
+ // Fix weird "folders with a single file get squashed" thing
+ QString sub_path;
+ if (relative_file_name.contains('/') && !relative_file_name.endsWith('/'))
+ {
+ sub_path = relative_file_name.section('/', 0, -2) + '/';
+ FS::ensureFolderPathExists(FS::PathCombine(target, sub_path));
+
+ relative_file_name = relative_file_name.split('/').last();
+ }
+
+ QString target_file_path;
+ if (relative_file_name.isEmpty())
+ {
+ target_file_path = target + '/';
+ }
+ else
+ {
+ target_file_path = FS::PathCombine(target_top_dir.toLocalFile(), sub_path, relative_file_name);
+ if (relative_file_name.endsWith('/') && !target_file_path.endsWith('/'))
+ target_file_path += '/';
+ }
+
+ if (!target_top_dir.isParentOf(QUrl::fromLocalFile(target_file_path)))
+ {
+ qWarning() << "Extracting" << relative_file_name
+ << "was cancelled, because it was effectively outside of the target path" << target;
+ return std::nullopt;
+ }
+
+ if (!JlCompress::extractFile(zip, "", target_file_path))
+ {
+ qWarning() << "Failed to extract file" << original_name << "to" << target_file_path;
+ JlCompress::removeFile(extracted);
+ return std::nullopt;
+ }
+
+ extracted.append(target_file_path);
+ auto fileInfo = QFileInfo(target_file_path);
+ if (fileInfo.isFile())
+ {
+ auto permissions = fileInfo.permissions();
+ auto maxPermisions = QFileDevice::Permission::ReadUser | QFileDevice::Permission::WriteUser
+ | QFileDevice::Permission::ExeUser | QFileDevice::Permission::ReadGroup
+ | QFileDevice::Permission::ReadOther;
+ auto minPermisions = QFileDevice::Permission::ReadUser | QFileDevice::Permission::WriteUser;
+
+ auto newPermisions = (permissions & maxPermisions) | minPermisions;
+ if (newPermisions != permissions)
+ {
+ if (!QFile::setPermissions(target_file_path, newPermisions))
+ {
+ qWarning() << (QObject::tr("Could not fix permissions for %1").arg(target_file_path));
+ }
+ }
+ }
+ else if (fileInfo.isDir())
+ {
+ // Ensure the folder has the minimal required permissions
+ QFile::Permissions minimalPermissions = QFile::ReadOwner | QFile::WriteOwner | QFile::ExeOwner
+ | QFile::ReadGroup | QFile::ExeGroup | QFile::ReadOther
+ | QFile::ExeOther;
+
+ QFile::Permissions currentPermissions = fileInfo.permissions();
+ if ((currentPermissions & minimalPermissions) != minimalPermissions)
+ {
+ if (!QFile::setPermissions(target_file_path, minimalPermissions))
+ {
+ qWarning() << (QObject::tr("Could not fix permissions for %1").arg(target_file_path));
+ }
+ }
+ }
+ qDebug() << "Extracted file" << relative_file_name << "to" << target_file_path;
+ }
+ while (zip->goToNextFile());
+
+ return extracted;
+ }
+
+ // ours
+ bool extractRelFile(QuaZip* zip, const QString& file, const QString& target)
+ {
+ return JlCompress::extractFile(zip, file, target);
+ }
+
+ // ours
+ std::optional<QStringList> extractDir(QString fileCompressed, QString dir)
+ {
+ QuaZip zip(fileCompressed);
+ if (!zip.open(QuaZip::mdUnzip))
+ {
+ // check if this is a minimum size empty zip file...
+ QFileInfo fileInfo(fileCompressed);
+ if (fileInfo.size() == 22)
+ {
+ return QStringList();
+ }
+ qWarning() << "Could not open archive for unpacking:" << fileCompressed << "Error:" << zip.getZipError();
+ ;
+ return std::nullopt;
+ }
+ return extractSubDir(&zip, "", dir);
+ }
+
+ // ours
+ std::optional<QStringList> extractDir(QString fileCompressed, QString subdir, QString dir)
+ {
+ QuaZip zip(fileCompressed);
+ if (!zip.open(QuaZip::mdUnzip))
+ {
+ // check if this is a minimum size empty zip file...
+ QFileInfo fileInfo(fileCompressed);
+ if (fileInfo.size() == 22)
+ {
+ return QStringList();
+ }
+ qWarning() << "Could not open archive for unpacking:" << fileCompressed << "Error:" << zip.getZipError();
+ ;
+ return std::nullopt;
+ }
+ return extractSubDir(&zip, subdir, dir);
+ }
+
+ // ours
+ bool extractFile(QString fileCompressed, QString file, QString target)
+ {
+ QuaZip zip(fileCompressed);
+ if (!zip.open(QuaZip::mdUnzip))
+ {
+ // check if this is a minimum size empty zip file...
+ QFileInfo fileInfo(fileCompressed);
+ if (fileInfo.size() == 22)
+ {
+ return true;
+ }
+ qWarning() << "Could not open archive for unpacking:" << fileCompressed << "Error:" << zip.getZipError();
+ return false;
+ }
+ return extractRelFile(&zip, file, target);
+ }
+
+ bool collectFileListRecursively(const QString& rootDir,
+ const QString& subDir,
+ QFileInfoList* files,
+ FilterFileFunction excludeFilter)
+ {
+ QDir rootDirectory(rootDir);
+ if (!rootDirectory.exists())
+ return false;
+
+ QDir directory;
+ if (subDir == nullptr)
+ directory = rootDirectory;
+ else
+ directory = QDir(subDir);
+
+ if (!directory.exists())
+ return false; // shouldn't ever happen
+
+ // recurse directories
+ QFileInfoList entries = directory.entryInfoList(QDir::AllDirs | QDir::NoDotAndDotDot | QDir::Hidden);
+ for (const auto& e : entries)
+ {
+ if (!collectFileListRecursively(rootDir, e.filePath(), files, excludeFilter))
+ return false;
+ }
+
+ // collect files
+ entries = directory.entryInfoList(QDir::Files);
+ for (const auto& e : entries)
+ {
+ if (excludeFilter && excludeFilter(e))
+ {
+ QString relativeFilePath = rootDirectory.relativeFilePath(e.absoluteFilePath());
+ qDebug() << "Skipping file " << relativeFilePath;
+ continue;
+ }
+
+ files->append(e); // we want the original paths for compressDirFiles
+ }
+ return true;
+ }
+
+#if defined(LAUNCHER_APPLICATION)
+ void ExportToZipTask::executeTask()
+ {
+ setStatus("Adding files...");
+ setProgress(0, m_files.length());
+ m_build_zip_future = QtConcurrent::run(QThreadPool::globalInstance(), [this]() { return exportZip(); });
+ connect(&m_build_zip_watcher, &QFutureWatcher<ZipResult>::finished, this, &ExportToZipTask::finish);
+ m_build_zip_watcher.setFuture(m_build_zip_future);
+ }
+
+ auto ExportToZipTask::exportZip() -> ZipResult
+ {
+ if (!m_dir.exists())
+ {
+ return ZipResult(tr("Folder doesn't exist"));
+ }
+ if (!m_output.isOpen() && !m_output.open(QuaZip::mdCreate))
+ {
+ return ZipResult(tr("Could not create file"));
+ }
+
+ for (auto fileName : m_extra_files.keys())
+ {
+ if (m_build_zip_future.isCanceled())
+ return ZipResult();
+ QuaZipFile indexFile(&m_output);
+ if (!indexFile.open(QIODevice::WriteOnly, QuaZipNewInfo(fileName)))
+ {
+ return ZipResult(tr("Could not create:") + fileName);
+ }
+ indexFile.write(m_extra_files[fileName]);
+ }
+
+ for (const QFileInfo& file : m_files)
+ {
+ if (m_build_zip_future.isCanceled())
+ return ZipResult();
+
+ auto absolute = file.absoluteFilePath();
+ auto relative = m_dir.relativeFilePath(absolute);
+ setStatus("Compressing: " + relative);
+ setProgress(m_progress + 1, m_progressTotal);
+ if (m_follow_symlinks)
+ {
+ if (file.isSymLink())
+ absolute = file.symLinkTarget();
+ else
+ absolute = file.canonicalFilePath();
+ }
+
+ if (!m_exclude_files.contains(relative)
+ && !JlCompress::compressFile(&m_output, absolute, m_destination_prefix + relative))
+ {
+ return ZipResult(tr("Could not read and compress %1").arg(relative));
+ }
+ }
+
+ m_output.close();
+ if (m_output.getZipError() != 0)
+ {
+ return ZipResult(tr("A zip error occurred"));
+ }
+ return ZipResult();
+ }
+
+ void ExportToZipTask::finish()
+ {
+ if (!isRunning())
+ {
+ FS::deletePath(m_output_path);
+ return;
+ }
+ if (m_build_zip_future.isCanceled())
+ {
+ FS::deletePath(m_output_path);
+ emitAborted();
+ }
+ else if (auto result = m_build_zip_future.result(); result.has_value())
+ {
+ FS::deletePath(m_output_path);
+ emitFailed(result.value());
+ }
+ else
+ {
+ emitSucceeded();
+ }
+ }
+
+ bool ExportToZipTask::abort()
+ {
+ if (m_build_zip_future.isRunning())
+ {
+ m_build_zip_future.cancel();
+ emitAborted();
+ return true;
+ }
+ return false;
+ }
+
+ void ExtractZipTask::executeTask()
+ {
+ if (!m_input->isOpen() && !m_input->open(QuaZip::mdUnzip))
+ {
+ emitFailed(tr("Unable to open supplied zip file."));
+ return;
+ }
+ m_zip_future = QtConcurrent::run(QThreadPool::globalInstance(), [this]() { return extractZip(); });
+ connect(&m_zip_watcher, &QFutureWatcher<ZipResult>::finished, this, &ExtractZipTask::finish);
+ m_zip_watcher.setFuture(m_zip_future);
+ }
+
+ auto ExtractZipTask::extractZip() -> ZipResult
+ {
+ auto target = m_output_dir.absolutePath();
+ auto target_top_dir = QUrl::fromLocalFile(target);
+ QDir target_dir(target);
+
+ QStringList extracted;
+
+ qDebug() << "Extracting subdir" << m_subdirectory << "from" << m_input->getZipName() << "to" << target;
+ auto numEntries = m_input->getEntriesCount();
+ if (numEntries < 0)
+ {
+ return ZipResult(tr("Failed to enumerate files in archive"));
+ }
+ if (numEntries == 0)
+ {
+ logWarning(tr("Extracting empty archives seems odd..."));
+ return ZipResult();
+ }
+ if (!m_input->goToFirstFile())
+ {
+ return ZipResult(tr("Failed to seek to first file in zip"));
+ }
+
+ setStatus("Extracting files...");
+ setProgress(0, numEntries);
+ do
+ {
+ if (m_zip_future.isCanceled())
+ return ZipResult();
+ setProgress(m_progress + 1, m_progressTotal);
+ QString file_name = m_input->getCurrentFileName();
+ if (!file_name.startsWith(m_subdirectory))
+ continue;
+
+ auto relative_file_name = QDir::fromNativeSeparators(file_name.mid(m_subdirectory.size()));
+ auto original_name = relative_file_name;
+ setStatus("Unpacking: " + relative_file_name);
+
+ // Fix subdirs/files ending with a / getting transformed into absolute paths
+ if (relative_file_name.startsWith('/'))
+ relative_file_name = relative_file_name.mid(1);
+
+ // Fix weird "folders with a single file get squashed" thing
+ QString sub_path;
+ if (relative_file_name.contains('/') && !relative_file_name.endsWith('/'))
+ {
+ sub_path = relative_file_name.section('/', 0, -2) + '/';
+ FS::ensureFolderPathExists(FS::PathCombine(target, sub_path));
+
+ relative_file_name = relative_file_name.split('/').last();
+ }
+
+ QString target_file_path;
+ if (relative_file_name.isEmpty())
+ {
+ target_file_path = target + '/';
+ }
+ else
+ {
+ target_file_path = FS::PathCombine(target_top_dir.toLocalFile(), sub_path, relative_file_name);
+ if (relative_file_name.endsWith('/') && !target_file_path.endsWith('/'))
+ target_file_path += '/';
+ }
+
+ if (!target_top_dir.isParentOf(QUrl::fromLocalFile(target_file_path)))
+ {
+ return ZipResult(
+ tr("Extracting %1 was cancelled, because it was effectively outside of the target path %2")
+ .arg(relative_file_name, target));
+ }
+ if (symlinkEscapesExtractionRoot(m_input.get(), target_file_path, target_dir))
+ {
+ return ZipResult(
+ tr("Extracting %1 was cancelled, because it links outside of the target path %2")
+ .arg(relative_file_name, target));
+ }
+
+ if (!JlCompress::extractFile(m_input.get(), "", target_file_path))
+ {
+ JlCompress::removeFile(extracted);
+ return ZipResult(tr("Failed to extract file %1 to %2").arg(original_name, target_file_path));
+ }
+
+ extracted.append(target_file_path);
+ auto fileInfo = QFileInfo(target_file_path);
+ if (fileInfo.isFile())
+ {
+ auto permissions = fileInfo.permissions();
+ auto maxPermisions = QFileDevice::Permission::ReadUser | QFileDevice::Permission::WriteUser
+ | QFileDevice::Permission::ExeUser | QFileDevice::Permission::ReadGroup
+ | QFileDevice::Permission::ReadOther;
+ auto minPermisions = QFileDevice::Permission::ReadUser | QFileDevice::Permission::WriteUser;
+
+ auto newPermisions = (permissions & maxPermisions) | minPermisions;
+ if (newPermisions != permissions)
+ {
+ if (!QFile::setPermissions(target_file_path, newPermisions))
+ {
+ logWarning(tr("Could not fix permissions for %1").arg(target_file_path));
+ }
+ }
+ }
+ else if (fileInfo.isDir())
+ {
+ // Ensure the folder has the minimal required permissions
+ QFile::Permissions minimalPermissions = QFile::ReadOwner | QFile::WriteOwner | QFile::ExeOwner
+ | QFile::ReadGroup | QFile::ExeGroup | QFile::ReadOther
+ | QFile::ExeOther;
+
+ QFile::Permissions currentPermissions = fileInfo.permissions();
+ if ((currentPermissions & minimalPermissions) != minimalPermissions)
+ {
+ if (!QFile::setPermissions(target_file_path, minimalPermissions))
+ {
+ logWarning(tr("Could not fix permissions for %1").arg(target_file_path));
+ }
+ }
+ }
+
+ qDebug() << "Extracted file" << relative_file_name << "to" << target_file_path;
+ }
+ while (m_input->goToNextFile());
+
+ return ZipResult();
+ }
+
+ void ExtractZipTask::finish()
+ {
+ if (!isRunning())
+ {
+ return;
+ }
+ if (m_zip_future.isCanceled())
+ {
+ emitAborted();
+ }
+ else if (auto result = m_zip_future.result(); result.has_value())
+ {
+ emitFailed(result.value());
+ }
+ else
+ {
+ emitSucceeded();
+ }
+ }
+
+ bool ExtractZipTask::abort()
+ {
+ if (m_zip_future.isRunning())
+ {
+ m_zip_future.cancel();
+ emitAborted();
+ return true;
+ }
+ return false;
+ }
+
+#endif
+} // namespace MMCZip