475 lines
15 KiB
C++
475 lines
15 KiB
C++
// SPDX-License-Identifier: GPL-3.0-only
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/*
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* PolyMC - Minecraft Launcher
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* Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* This file incorporates work covered by the following copyright and
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* permission notice:
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*
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* Copyright 2013-2021 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "OneSixVersionFormat.h"
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#include <Json.h>
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#include "minecraft/Agent.h"
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#include "minecraft/ParseUtils.h"
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#include <minecraft/MojangVersionFormat.h>
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#include <QRegularExpression>
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using namespace Json;
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static void readString(const QJsonObject &root, const QString &key, QString &variable)
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{
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if (root.contains(key))
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{
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variable = requireString(root.value(key));
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}
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}
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LibraryPtr OneSixVersionFormat::libraryFromJson(ProblemContainer & problems, const QJsonObject &libObj, const QString &filename)
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{
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LibraryPtr out = MojangVersionFormat::libraryFromJson(problems, libObj, filename);
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readString(libObj, "MMC-hint", out->m_hint);
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readString(libObj, "MMC-absulute_url", out->m_absoluteURL);
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readString(libObj, "MMC-absoluteUrl", out->m_absoluteURL);
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readString(libObj, "MMC-filename", out->m_filename);
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readString(libObj, "MMC-displayname", out->m_displayname);
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return out;
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}
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QJsonObject OneSixVersionFormat::libraryToJson(Library *library)
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{
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QJsonObject libRoot = MojangVersionFormat::libraryToJson(library);
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if (!library->m_absoluteURL.isEmpty())
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libRoot.insert("MMC-absoluteUrl", library->m_absoluteURL);
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if (!library->m_hint.isEmpty())
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libRoot.insert("MMC-hint", library->m_hint);
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if (!library->m_filename.isEmpty())
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libRoot.insert("MMC-filename", library->m_filename);
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if (!library->m_displayname.isEmpty())
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libRoot.insert("MMC-displayname", library->m_displayname);
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return libRoot;
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}
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VersionFilePtr OneSixVersionFormat::versionFileFromJson(const QJsonDocument &doc, const QString &filename, const bool requireOrder)
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{
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VersionFilePtr out(new VersionFile());
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if (doc.isEmpty() || doc.isNull())
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{
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throw JSONValidationError(filename + " is empty or null");
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}
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if (!doc.isObject())
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{
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throw JSONValidationError(filename + " is not an object");
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}
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QJsonObject root = doc.object();
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Meta::MetadataVersion formatVersion = Meta::parseFormatVersion(root, false);
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switch(formatVersion)
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{
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case Meta::MetadataVersion::InitialRelease:
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break;
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case Meta::MetadataVersion::Invalid:
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throw JSONValidationError(filename + " does not contain a recognizable version of the metadata format.");
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}
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if (requireOrder)
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{
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if (root.contains("order"))
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{
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out->order = requireInteger(root.value("order"));
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}
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else
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{
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// FIXME: evaluate if we don't want to throw exceptions here instead
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qCritical() << filename << "doesn't contain an order field";
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}
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}
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out->name = root.value("name").toString();
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if(root.contains("uid"))
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{
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out->uid = root.value("uid").toString();
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}
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else
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{
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out->uid = root.value("fileId").toString();
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}
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const QRegularExpression valid_uid_regex{ QRegularExpression::anchoredPattern(QStringLiteral(R"([a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]+)*)")) };
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if (!valid_uid_regex.match(out->uid).hasMatch()) {
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qCritical() << "The component's 'uid' contains illegal characters! UID:" << out->uid;
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out->addProblem(
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ProblemSeverity::Error,
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QObject::tr("The component's 'uid' contains illegal characters! This can cause security issues.")
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);
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}
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out->version = root.value("version").toString();
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MojangVersionFormat::readVersionProperties(root, out.get());
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// added for legacy Minecraft window embedding, TODO: remove
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readString(root, "appletClass", out->appletClass);
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if (root.contains("+tweakers"))
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{
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for (auto tweakerVal : requireArray(root.value("+tweakers")))
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{
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out->addTweakers.append(requireString(tweakerVal));
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}
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}
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if (root.contains("+traits"))
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{
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for (auto tweakerVal : requireArray(root.value("+traits")))
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{
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out->traits.insert(requireString(tweakerVal));
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}
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}
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if (root.contains("+jvmArgs"))
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{
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for (auto arg : requireArray(root.value("+jvmArgs")))
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{
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out->addnJvmArguments.append(requireString(arg));
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}
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}
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if (root.contains("jarMods"))
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{
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for (auto libVal : requireArray(root.value("jarMods")))
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{
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QJsonObject libObj = requireObject(libVal);
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// parse the jarmod
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auto lib = OneSixVersionFormat::jarModFromJson(*out, libObj, filename);
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// and add to jar mods
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out->jarMods.append(lib);
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}
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}
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else if (root.contains("+jarMods")) // DEPRECATED: old style '+jarMods' are only here for backwards compatibility
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{
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for (auto libVal : requireArray(root.value("+jarMods")))
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{
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QJsonObject libObj = requireObject(libVal);
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// parse the jarmod
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auto lib = OneSixVersionFormat::plusJarModFromJson(*out, libObj, filename, out->name);
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// and add to jar mods
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out->jarMods.append(lib);
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}
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}
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if (root.contains("mods"))
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{
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for (auto libVal : requireArray(root.value("mods")))
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{
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QJsonObject libObj = requireObject(libVal);
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// parse the jarmod
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auto lib = OneSixVersionFormat::modFromJson(*out, libObj, filename);
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// and add to jar mods
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out->mods.append(lib);
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}
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}
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auto readLibs = [&](const char * which, QList<LibraryPtr> & outList)
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{
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for (auto libVal : requireArray(root.value(which)))
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{
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QJsonObject libObj = requireObject(libVal);
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// parse the library
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auto lib = libraryFromJson(*out, libObj, filename);
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outList.append(lib);
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}
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};
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bool hasPlusLibs = root.contains("+libraries");
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bool hasLibs = root.contains("libraries");
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if (hasPlusLibs && hasLibs)
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{
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out->addProblem(ProblemSeverity::Warning,
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QObject::tr("Version file has both '+libraries' and 'libraries'. This is no longer supported."));
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readLibs("libraries", out->libraries);
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readLibs("+libraries", out->libraries);
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}
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else if (hasLibs)
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{
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readLibs("libraries", out->libraries);
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}
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else if(hasPlusLibs)
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{
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readLibs("+libraries", out->libraries);
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}
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if(root.contains("mavenFiles")) {
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readLibs("mavenFiles", out->mavenFiles);
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}
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if(root.contains("+agents")) {
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for (auto agentVal : requireArray(root.value("+agents")))
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{
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QJsonObject agentObj = requireObject(agentVal);
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auto lib = libraryFromJson(*out, agentObj, filename);
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QString arg = "";
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readString(agentObj, "argument", arg);
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AgentPtr agent(new Agent(lib, arg));
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out->agents.append(agent);
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}
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}
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// if we have mainJar, just use it
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if(root.contains("mainJar"))
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{
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QJsonObject libObj = requireObject(root, "mainJar");
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out->mainJar = libraryFromJson(*out, libObj, filename);
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}
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// else reconstruct it from downloads and id ... if that's available
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else if(!out->minecraftVersion.isEmpty())
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{
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auto lib = std::make_shared<Library>();
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lib->setRawName(GradleSpecifier(QString("com.mojang:minecraft:%1:client").arg(out->minecraftVersion)));
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// we have a reliable client download, use it.
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if(out->mojangDownloads.contains("client"))
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{
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auto LibDLInfo = std::make_shared<MojangLibraryDownloadInfo>();
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LibDLInfo->artifact = out->mojangDownloads["client"];
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lib->setMojangDownloadInfo(LibDLInfo);
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}
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// we got nothing...
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else
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{
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out->addProblem(
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ProblemSeverity::Error,
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QObject::tr("URL for the main jar could not be determined - Mojang removed the server that we used as fallback.")
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);
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}
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out->mainJar = lib;
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}
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if (root.contains("requires"))
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{
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Meta::parseRequires(root, &out->requires);
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}
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QString dependsOnMinecraftVersion = root.value("mcVersion").toString();
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if(!dependsOnMinecraftVersion.isEmpty())
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{
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Meta::Require mcReq;
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mcReq.uid = "net.minecraft";
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mcReq.equalsVersion = dependsOnMinecraftVersion;
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if (out->requires.count(mcReq) == 0)
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{
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out->requires.insert(mcReq);
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}
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}
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if (root.contains("conflicts"))
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{
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Meta::parseRequires(root, &out->conflicts);
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}
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if (root.contains("volatile"))
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{
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out->m_volatile = requireBoolean(root, "volatile");
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}
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/* removed features that shouldn't be used */
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if (root.contains("tweakers"))
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{
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out->addProblem(ProblemSeverity::Error, QObject::tr("Version file contains unsupported element 'tweakers'"));
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}
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if (root.contains("-libraries"))
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{
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out->addProblem(ProblemSeverity::Error, QObject::tr("Version file contains unsupported element '-libraries'"));
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}
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if (root.contains("-tweakers"))
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{
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out->addProblem(ProblemSeverity::Error, QObject::tr("Version file contains unsupported element '-tweakers'"));
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}
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if (root.contains("-minecraftArguments"))
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{
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out->addProblem(ProblemSeverity::Error, QObject::tr("Version file contains unsupported element '-minecraftArguments'"));
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}
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if (root.contains("+minecraftArguments"))
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{
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out->addProblem(ProblemSeverity::Error, QObject::tr("Version file contains unsupported element '+minecraftArguments'"));
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}
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return out;
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}
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QJsonDocument OneSixVersionFormat::versionFileToJson(const VersionFilePtr &patch)
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{
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QJsonObject root;
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writeString(root, "name", patch->name);
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writeString(root, "uid", patch->uid);
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writeString(root, "version", patch->version);
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Meta::serializeFormatVersion(root, Meta::MetadataVersion::InitialRelease);
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MojangVersionFormat::writeVersionProperties(patch.get(), root);
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if(patch->mainJar)
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{
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root.insert("mainJar", libraryToJson(patch->mainJar.get()));
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}
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writeString(root, "appletClass", patch->appletClass);
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writeStringList(root, "+tweakers", patch->addTweakers);
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writeStringList(root, "+traits", patch->traits.values());
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writeStringList(root, "+jvmArgs", patch->addnJvmArguments);
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if (!patch->agents.isEmpty())
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{
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QJsonArray array;
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for (auto value: patch->agents)
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{
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QJsonObject agentOut = OneSixVersionFormat::libraryToJson(value->library().get());
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if (!value->argument().isEmpty())
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agentOut.insert("argument", value->argument());
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array.append(agentOut);
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}
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root.insert("+agents", array);
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}
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if (!patch->libraries.isEmpty())
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{
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QJsonArray array;
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for (auto value: patch->libraries)
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{
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array.append(OneSixVersionFormat::libraryToJson(value.get()));
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}
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root.insert("libraries", array);
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}
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if (!patch->mavenFiles.isEmpty())
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{
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QJsonArray array;
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for (auto value: patch->mavenFiles)
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{
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array.append(OneSixVersionFormat::libraryToJson(value.get()));
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}
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root.insert("mavenFiles", array);
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}
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if (!patch->jarMods.isEmpty())
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{
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QJsonArray array;
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for (auto value: patch->jarMods)
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{
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array.append(OneSixVersionFormat::jarModtoJson(value.get()));
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}
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root.insert("jarMods", array);
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}
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if (!patch->mods.isEmpty())
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{
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QJsonArray array;
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for (auto value: patch->jarMods)
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{
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array.append(OneSixVersionFormat::modtoJson(value.get()));
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}
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root.insert("mods", array);
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}
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if(!patch->requires.empty())
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{
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Meta::serializeRequires(root, &patch->requires, "requires");
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}
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if(!patch->conflicts.empty())
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{
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Meta::serializeRequires(root, &patch->conflicts, "conflicts");
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}
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if(patch->m_volatile)
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{
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root.insert("volatile", true);
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}
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// write the contents to a json document.
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{
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QJsonDocument out;
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out.setObject(root);
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return out;
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}
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}
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LibraryPtr OneSixVersionFormat::plusJarModFromJson(
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ProblemContainer & problems,
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const QJsonObject &libObj,
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const QString &filename,
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const QString &originalName
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) {
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LibraryPtr out(new Library());
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if (!libObj.contains("name"))
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{
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throw JSONValidationError(filename +
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"contains a jarmod that doesn't have a 'name' field");
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}
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// just make up something unique on the spot for the library name.
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auto uuid = QUuid::createUuid();
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QString id = uuid.toString().remove('{').remove('}');
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out->setRawName(GradleSpecifier("org.multimc.jarmods:" + id + ":1"));
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// filename override is the old name
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out->setFilename(libObj.value("name").toString());
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// it needs to be local, it is stored in the instance jarmods folder
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out->setHint("local");
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// read the original name if present - some versions did not set it
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// it is the original jar mod filename before it got renamed at the point of addition
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auto displayName = libObj.value("originalName").toString();
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if(displayName.isEmpty())
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{
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auto fixed = originalName;
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fixed.remove(" (jar mod)");
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out->setDisplayName(fixed);
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}
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else
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{
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out->setDisplayName(displayName);
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}
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return out;
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}
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LibraryPtr OneSixVersionFormat::jarModFromJson(ProblemContainer & problems, const QJsonObject& libObj, const QString& filename)
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{
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return libraryFromJson(problems, libObj, filename);
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}
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QJsonObject OneSixVersionFormat::jarModtoJson(Library *jarmod)
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{
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return libraryToJson(jarmod);
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}
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LibraryPtr OneSixVersionFormat::modFromJson(ProblemContainer & problems, const QJsonObject& libObj, const QString& filename)
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{
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return libraryFromJson(problems, libObj, filename);
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}
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QJsonObject OneSixVersionFormat::modtoJson(Library *jarmod)
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{
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return libraryToJson(jarmod);
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}
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