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// SPDX-License-Identifier: GPL-3.0-only
/*
* Prism Launcher - Minecraft Launcher
* Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
*
* 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 "ModrinthPackExportTask.h"
#include <qcryptographichash.h>
#include <QFileInfo>
#include <QFileInfoList>
#include <QMessageBox>
#include <QtConcurrent>
#include "Json.h"
#include "MMCZip.h"
#include "minecraft/MinecraftInstance.h"
#include "minecraft/PackProfile.h"
#include "minecraft/mod/Mod.h"
#include "modplatform/modrinth/ModrinthAPI.h"
const QStringList ModrinthPackExportTask::PREFIXES = QStringList({ "mods", "coremods", "resourcepacks", "texturepacks", "shaderpacks" });
ModrinthPackExportTask::ModrinthPackExportTask(const QString& name,
const QString& version,
const QString& summary,
InstancePtr instance,
const QString& output,
MMCZip::FilterFunction filter)
: name(name), version(version), summary(summary), instance(instance), output(output), filter(filter)
{}
void ModrinthPackExportTask::executeTask()
{
setStatus(tr("Searching for files..."));
setProgress(0, 0);
collectFiles();
QByteArray* response = new QByteArray;
task = api.currentVersions(pendingHashes.values(), "sha512", response);
connect(task.get(), &NetJob::succeeded, [this, response]() { parseApiResponse(response); });
connect(task.get(), &NetJob::failed, this, &ModrinthPackExportTask::emitFailed);
task->start();
}
bool ModrinthPackExportTask::abort()
{
if (!task.isNull() && task->abort()) {
task = nullptr;
emitFailed(tr("Aborted"));
return true;
}
return false;
}
void ModrinthPackExportTask::collectFiles()
{
files.clear();
if (!MMCZip::collectFileListRecursively(instance->gameRoot(), nullptr, &files, filter)) {
emitFailed(tr("Could not collect list of files"));
return;
}
pendingHashes.clear();
resolvedFiles.clear();
QDir mc(instance->gameRoot());
for (QFileInfo file : files) {
QString relative = mc.relativeFilePath(file.absoluteFilePath());
// require sensible file types
if (!(relative.endsWith(".zip") || relative.endsWith(".jar") || relative.endsWith(".litemod")))
continue;
if (!std::any_of(PREFIXES.begin(), PREFIXES.end(),
[&relative](const QString& prefix) { return relative.startsWith(prefix + QDir::separator()); }))
continue;
QCryptographicHash hash(QCryptographicHash::Algorithm::Sha512);
QFile openFile(file.absoluteFilePath());
if (!openFile.open(QFile::ReadOnly)) {
qWarning() << "Could not open" << file << "for hashing";
continue;
}
if (!hash.addData(&openFile)) {
qWarning() << "Could not add hash data for" << file;
continue;
}
pendingHashes[relative] = hash.result().toHex();
}
}
void ModrinthPackExportTask::parseApiResponse(QByteArray* response)
{
try {
QJsonDocument doc = Json::requireDocument(*response);
QMapIterator<QString, QString> iterator(pendingHashes);
while (iterator.hasNext()) {
iterator.next();
QJsonObject obj = doc[iterator.value()].toObject();
if (obj.isEmpty())
continue;
QJsonArray files = obj["files"].toArray();
if (auto fileIter = std::find_if(files.begin(), files.end(),
[&iterator](const QJsonValue& file) { return file["hashes"]["sha512"] == iterator.value(); });
fileIter != files.end()) {
// map the file to the url
resolvedFiles[iterator.key()] =
ResolvedFile{ fileIter->toObject()["hashes"].toObject()["sha1"].toString(), iterator.value(),
fileIter->toObject()["url"].toString(), fileIter->toObject()["size"].toInt() };
}
}
} catch (Json::JsonException& e) {
qWarning() << "Failed to parse versions response" << e.what();
}
pendingHashes.clear();
buildZip();
}
void ModrinthPackExportTask::buildZip()
{
setStatus("Adding files...");
QuaZip zip(output);
if (!zip.open(QuaZip::mdCreate)) {
QFile::remove(output);
emitFailed(tr("Could not create file"));
return;
}
QuaZipFile indexFile(&zip);
if (!indexFile.open(QIODevice::WriteOnly, QuaZipNewInfo("modrinth.index.json"))) {
QFile::remove(output);
emitFailed(tr("Could not create index"));
return;
}
indexFile.write(generateIndex());
QDir mc(instance->gameRoot());
size_t i = 0;
for (const QFileInfo& file : files) {
setProgress(i, files.length());
QString relative = mc.relativeFilePath(file.absoluteFilePath());
if (!resolvedFiles.contains(relative) && !JlCompress::compressFile(&zip, file.absoluteFilePath(), "overrides/" + relative))
qWarning() << "Could not compress" << file;
i++;
}
zip.close();
if (zip.getZipError() != 0) {
QFile::remove(output);
emitFailed(tr("A zip error occured"));
return;
}
emitSucceeded();
}
QByteArray ModrinthPackExportTask::generateIndex()
{
QJsonObject obj;
obj["formatVersion"] = 1;
obj["game"] = "minecraft";
obj["name"] = name;
obj["versionId"] = version;
obj["summary"] = summary;
MinecraftInstance* mc = dynamic_cast<MinecraftInstance*>(instance.get());
if (mc) {
auto profile = mc->getPackProfile();
// collect all supported components
auto minecraft = profile->getComponent("net.minecraft");
auto quilt = profile->getComponent("org.quiltmc.quilt-loader");
auto fabric = profile->getComponent("net.fabricmc.fabric-loader");
auto forge = profile->getComponent("net.minecraftforge");
// convert all available components to mrpack dependencies
QJsonObject dependencies;
if (minecraft != nullptr)
dependencies["minecraft"] = minecraft->m_version;
if (quilt != nullptr)
dependencies["quilt-loader"] = quilt->m_version;
if (fabric != nullptr)
dependencies["fabric-loader"] = fabric->m_version;
if (forge != nullptr)
dependencies["forge"] = forge->m_version;
obj["dependencies"] = dependencies;
}
QJsonArray files;
QMapIterator<QString, ResolvedFile> iterator(resolvedFiles);
while (iterator.hasNext()) {
iterator.next();
const ResolvedFile& value = iterator.value();
QJsonObject file;
file["path"] = iterator.key();
file["downloads"] = QJsonArray({ iterator.value().url });
QJsonObject hashes;
hashes["sha1"] = value.sha1;
hashes["sha512"] = value.sha512;
file["hashes"] = hashes;
file["fileSize"] = value.size;
files << file;
}
obj["files"] = files;
return QJsonDocument(obj).toJson(QJsonDocument::Compact);
}
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