pollymc/launcher/modplatform/modrinth/ModrinthPackExportTask.cpp
TheKodeToad 2343aad088 Make it work! (TODO make it not crash)
Signed-off-by: TheKodeToad <TheKodeToad@proton.me>
2023-03-03 15:00:07 +00:00

210 lines
7.5 KiB
C++

// 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 "modplatform/modrinth/ModrinthAPI.h"
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..."));
QFileInfoList files;
if (!MMCZip::collectFileListRecursively(instance->gameRoot(), nullptr, &files, filter)) {
emitFailed(tr("Could not collect list of files"));
return;
}
QDir mc(instance->gameRoot());
ModrinthAPI api;
static const QStringList prefixes({ "mods", "coremods", "resourcepacks", "texturepacks", "shaderpacks" });
// hash -> file
QMap<QString, QString> hashes;
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;
}
hashes[hash.result().toHex()] = relative;
}
QByteArray* response = new QByteArray;
Task::Ptr versionsTask = api.currentVersions(hashes.keys(), "sha512", response);
connect(versionsTask.get(), &NetJob::succeeded, this, [this, mc, files, hashes, response, versionsTask]() {
// file -> url
QMap<QString, ResolvedFile> resolved;
try {
QJsonDocument doc = Json::requireDocument(*response);
for (auto iter = hashes.keyBegin(); iter != hashes.keyEnd(); iter++) {
QJsonObject obj = doc[*iter].toObject();
if (obj.isEmpty())
continue;
QJsonArray files = obj["files"].toArray();
if (auto fileIter = std::find_if(files.begin(), files.end(),
[&iter](const QJsonValue& file) { return file["hashes"]["sha512"] == *iter; });
fileIter != files.end()) {
// map the file to the url
resolved[hashes[*iter]] = ResolvedFile{ fileIter->toObject()["hashes"].toObject()["sha1"].toString(), *iter,
fileIter->toObject()["url"].toString(), fileIter->toObject()["size"].toInt() };
}
}
} catch (Json::JsonException& e) {
qWarning() << "Failed to parse versions response" << e.what();
}
delete response;
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(resolved));
}
{
size_t i = 0;
for (const QFileInfo& file : files) {
setProgress(i, files.length());
QString relative = mc.relativeFilePath(file.absoluteFilePath());
if (!resolved.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();
});
connect(versionsTask.get(), &NetJob::failed, this, [this](const QString& reason) { emitFailed(reason); });
versionsTask->start();
}
QByteArray ModrinthPackExportTask::generateIndex(const QMap<QString, ResolvedFile>& urls)
{
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(urls);
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);
}