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Merge branch 'develop' into feature/java-downloader

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Signed-off-by: TheKodeToad <TheKodeToad@proton.me>
This commit is contained in:
TheKodeToad
2023-07-16 12:32:31 +01:00
committed by GitHub
parent 6a5db12c6a b9568279dc
commit 5f37e339fb
879 changed files with 49760 additions and 21477 deletions
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launcher/MMCZip.cpp
+61 -47
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@@ -39,6 +39,7 @@
#include "MMCZip.h"
#include "FileSystem.h"
#include <QCoreApplication>
#include <QDebug>
// ours
@@ -93,20 +94,28 @@ bool MMCZip::mergeZipFiles(QuaZip *into, QFileInfo from, QSet<QString> &containe
return true;
}
bool MMCZip::compressDirFiles(QuaZip *zip, QString dir, QFileInfoList files)
bool MMCZip::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());
if( !JlCompress::compressFile(zip, e.absoluteFilePath(), filePath)) return false;
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 MMCZip::compressDirFiles(QString fileCompressed, QString dir, QFileInfoList files)
bool MMCZip::compressDirFiles(QString fileCompressed, QString dir, QFileInfoList files, bool followSymlinks)
{
QuaZip zip(fileCompressed);
QDir().mkpath(QFileInfo(fileCompressed).absolutePath());
@@ -115,7 +124,7 @@ bool MMCZip::compressDirFiles(QString fileCompressed, QString dir, QFileInfoList
return false;
}
auto result = compressDirFiles(&zip, dir, files);
auto result = compressDirFiles(&zip, dir, files, followSymlinks);
zip.close();
if(zip.getZipError()!=0) {
@@ -228,23 +237,27 @@ bool MMCZip::createModdedJar(QString sourceJarPath, QString targetJarPath, const
}
// ours
QString MMCZip::findFolderOfFileInZip(QuaZip * zip, const QString & what, const QString &root)
QString MMCZip::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)
for (auto&& fileName : rootDir.entryList(QDir::Files)) {
if (fileName == what)
return root;
QCoreApplication::processEvents();
}
for(auto fileName: rootDir.entryList(QDir::Dirs))
{
QString result = findFolderOfFileInZip(zip, what, root + fileName);
if(!result.isEmpty())
{
// 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 QString();
return {};
}
// ours
@@ -270,7 +283,8 @@ bool MMCZip::findFilesInZip(QuaZip * zip, const QString & what, QStringList & re
// ours
std::optional<QStringList> MMCZip::extractSubDir(QuaZip *zip, const QString & subdir, const QString &target)
{
QDir directory(target);
auto target_top_dir = QUrl::fromLocalFile(target);
QStringList extracted;
qDebug() << "Extracting subdir" << subdir << "from" << zip->getZipName() << "to" << target;
@@ -289,16 +303,17 @@ std::optional<QStringList> MMCZip::extractSubDir(QuaZip *zip, const QString & su
return std::nullopt;
}
do
{
QString name = zip->getCurrentFileName();
if(!name.startsWith(subdir))
{
do {
QString file_name = zip->getCurrentFileName();
if (!file_name.startsWith(subdir))
continue;
}
name.remove(0, subdir.size());
auto original_name = name;
auto relative_file_name = QDir::fromNativeSeparators(file_name.remove(0, 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 subdirs/files ending with a / getting transformed into absolute paths
if(name.startsWith('/')){
@@ -306,41 +321,40 @@ std::optional<QStringList> MMCZip::extractSubDir(QuaZip *zip, const QString & su
}
// Fix weird "folders with a single file get squashed" thing
QString path;
if(name.contains('/') && !name.endsWith('/')){
path = name.section('/', 0, -2) + "/";
FS::ensureFolderPathExists(FS::PathCombine(target, path));
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));
name = name.split('/').last();
relative_file_name = relative_file_name.split('/').last();
}
QString absFilePath;
if(name.isEmpty())
{
absFilePath = directory.absoluteFilePath(name) + "/";
}
else
{
absFilePath = directory.absoluteFilePath(path + name);
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 += '/';
}
//Block potential file traversal issues
if(!absFilePath.startsWith(directory.absolutePath())){
qWarning() << "Potential file traversal issue, for path " << absFilePath << " with base name as " << directory.absolutePath();
continue;
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, "", absFilePath))
{
qWarning() << "Failed to extract file" << original_name << "to" << absFilePath;
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(absFilePath);
QFile::setPermissions(absFilePath, QFileDevice::Permission::ReadUser | QFileDevice::Permission::WriteUser | QFileDevice::Permission::ExeUser);
extracted.append(target_file_path);
QFile::setPermissions(target_file_path, QFileDevice::Permission::ReadUser | QFileDevice::Permission::WriteUser | QFileDevice::Permission::ExeUser);
qDebug() << "Extracted file" << name << "to" << absFilePath;
qDebug() << "Extracted file" << relative_file_name << "to" << target_file_path;
} while (zip->goToNextFile());
return extracted;
}