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// SPDX-License-Identifier: GPL-3.0-only
/*
* Prism Launcher - Minecraft Launcher
* Copyright (c) 2022 flowln <flowlnlnln@gmail.com>
* Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
*
* 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, see <https://www.gnu.org/licenses/>.
*/
#include "LocalTexturePackParseTask.h"
#include "FileSystem.h"
#include <quazip/quazip.h>
#include <quazip/quazipfile.h>
#include <QCryptographicHash>
namespace TexturePackUtils {
bool process(TexturePack& pack, ProcessingLevel level)
{
switch (pack.type()) {
case ResourceType::FOLDER:
return TexturePackUtils::processFolder(pack, level);
case ResourceType::ZIPFILE:
return TexturePackUtils::processZIP(pack, level);
default:
qWarning() << "Invalid type for resource pack parse task!";
return false;
}
}
bool processFolder(TexturePack& pack, ProcessingLevel level)
{
Q_ASSERT(pack.type() == ResourceType::FOLDER);
QFileInfo mcmeta_file_info(FS::PathCombine(pack.fileinfo().filePath(), "pack.txt"));
if (mcmeta_file_info.isFile()) {
QFile mcmeta_file(mcmeta_file_info.filePath());
if (!mcmeta_file.open(QIODevice::ReadOnly))
return false;
auto data = mcmeta_file.readAll();
bool packTXT_result = TexturePackUtils::processPackTXT(pack, std::move(data));
mcmeta_file.close();
if (!packTXT_result) {
return false;
}
} else {
return false;
}
if (level == ProcessingLevel::BasicInfoOnly)
return true;
QFileInfo image_file_info(FS::PathCombine(pack.fileinfo().filePath(), "pack.png"));
if (image_file_info.isFile()) {
QFile mcmeta_file(image_file_info.filePath());
if (!mcmeta_file.open(QIODevice::ReadOnly))
return false;
auto data = mcmeta_file.readAll();
bool packPNG_result = TexturePackUtils::processPackPNG(pack, std::move(data));
mcmeta_file.close();
if (!packPNG_result) {
return false;
}
} else {
return false;
}
return true;
}
bool processZIP(TexturePack& pack, ProcessingLevel level)
{
Q_ASSERT(pack.type() == ResourceType::ZIPFILE);
QuaZip zip(pack.fileinfo().filePath());
if (!zip.open(QuaZip::mdUnzip))
return false;
QuaZipFile file(&zip);
if (zip.setCurrentFile("pack.txt")) {
if (!file.open(QIODevice::ReadOnly)) {
qCritical() << "Failed to open file in zip.";
zip.close();
return false;
}
auto data = file.readAll();
bool packTXT_result = TexturePackUtils::processPackTXT(pack, std::move(data));
file.close();
if (!packTXT_result) {
return false;
}
}
if (level == ProcessingLevel::BasicInfoOnly) {
zip.close();
return true;
}
if (zip.setCurrentFile("pack.png")) {
if (!file.open(QIODevice::ReadOnly)) {
qCritical() << "Failed to open file in zip.";
zip.close();
return false;
}
auto data = file.readAll();
bool packPNG_result = TexturePackUtils::processPackPNG(pack, std::move(data));
file.close();
zip.close();
if (!packPNG_result) {
return false;
}
}
zip.close();
return true;
}
bool processPackTXT(TexturePack& pack, QByteArray&& raw_data)
{
pack.setDescription(QString(raw_data));
return true;
}
bool processPackPNG(const TexturePack& pack, QByteArray&& raw_data)
{
auto img = QImage::fromData(raw_data);
if (!img.isNull()) {
pack.setImage(img);
} else {
qWarning() << "Failed to parse pack.png.";
return false;
}
return true;
}
bool processPackPNG(const TexturePack& pack)
{
auto png_invalid = [&pack]() {
qWarning() << "Texture pack at" << pack.fileinfo().filePath() << "does not have a valid pack.png";
return false;
};
switch (pack.type()) {
case ResourceType::FOLDER: {
QFileInfo image_file_info(FS::PathCombine(pack.fileinfo().filePath(), "pack.png"));
if (image_file_info.exists() && image_file_info.isFile()) {
QFile pack_png_file(image_file_info.filePath());
if (!pack_png_file.open(QIODevice::ReadOnly))
return png_invalid(); // can't open pack.png file
auto data = pack_png_file.readAll();
bool pack_png_result = TexturePackUtils::processPackPNG(pack, std::move(data));
pack_png_file.close();
if (!pack_png_result) {
return png_invalid(); // pack.png invalid
}
} else {
return png_invalid(); // pack.png does not exists or is not a valid file.
}
}
case ResourceType::ZIPFILE: {
Q_ASSERT(pack.type() == ResourceType::ZIPFILE);
QuaZip zip(pack.fileinfo().filePath());
if (!zip.open(QuaZip::mdUnzip))
return false; // can't open zip file
QuaZipFile file(&zip);
if (zip.setCurrentFile("pack.png")) {
if (!file.open(QIODevice::ReadOnly)) {
qCritical() << "Failed to open file in zip.";
zip.close();
return png_invalid();
}
auto data = file.readAll();
bool pack_png_result = TexturePackUtils::processPackPNG(pack, std::move(data));
file.close();
if (!pack_png_result) {
zip.close();
return png_invalid(); // pack.png invalid
}
} else {
zip.close();
return png_invalid(); // could not set pack.mcmeta as current file.
}
}
default:
qWarning() << "Invalid type for resource pack parse task!";
return false;
}
}
bool validate(QFileInfo file)
{
TexturePack rp{ file };
return TexturePackUtils::process(rp, ProcessingLevel::BasicInfoOnly) && rp.valid();
}
} // namespace TexturePackUtils
LocalTexturePackParseTask::LocalTexturePackParseTask(int token, TexturePack& rp) : Task(nullptr, false), m_token(token), m_texture_pack(rp)
{}
bool LocalTexturePackParseTask::abort()
{
m_aborted = true;
return true;
}
void LocalTexturePackParseTask::executeTask()
{
if (!TexturePackUtils::process(m_texture_pack))
return;
if (m_aborted)
emitAborted();
else
emitSucceeded();
}
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