sneedmc/launcher/minecraft/ProfileUtils.cpp

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// SPDX-License-Identifier: GPL-3.0-only
/*
* PolyMC - Minecraft Launcher
* 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/>.
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright 2013-2021 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
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#include "ProfileUtils.h"
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#include "minecraft/VersionFilterData.h"
#include "minecraft/OneSixVersionFormat.h"
#include "Json.h"
#include <QDebug>
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#include <QJsonDocument>
#include <QJsonArray>
#include <QRegularExpression>
#include <QSaveFile>
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namespace ProfileUtils
{
static const int currentOrderFileVersion = 1;
bool readOverrideOrders(QString path, PatchOrder &order)
{
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QFile orderFile(path);
if (!orderFile.exists())
{
qWarning() << "Order file doesn't exist. Ignoring.";
return false;
}
if (!orderFile.open(QFile::ReadOnly))
{
qCritical() << "Couldn't open" << orderFile.fileName()
<< " for reading:" << orderFile.errorString();
qWarning() << "Ignoring overriden order";
return false;
}
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// and it's valid JSON
QJsonParseError error;
QJsonDocument doc = QJsonDocument::fromJson(orderFile.readAll(), &error);
if (error.error != QJsonParseError::NoError)
{
qCritical() << "Couldn't parse" << orderFile.fileName() << ":" << error.errorString();
qWarning() << "Ignoring overriden order";
return false;
}
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// and then read it and process it if all above is true.
try
{
auto obj = Json::requireObject(doc);
// check order file version.
auto version = Json::requireInteger(obj.value("version"));
if (version != currentOrderFileVersion)
{
throw JSONValidationError(QObject::tr("Invalid order file version, expected %1")
.arg(currentOrderFileVersion));
}
auto orderArray = Json::requireArray(obj.value("order"));
for(auto item: orderArray)
{
order.append(Json::requireString(item));
}
}
catch (const JSONValidationError &err)
{
qCritical() << "Couldn't parse" << orderFile.fileName() << ": bad file format";
qWarning() << "Ignoring overriden order";
order.clear();
return false;
}
return true;
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}
static VersionFilePtr createErrorVersionFile(QString fileId, QString filepath, QString error)
{
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auto outError = std::make_shared<VersionFile>();
outError->uid = outError->name = fileId;
// outError->filename = filepath;
outError->addProblem(ProblemSeverity::Error, error);
return outError;
}
static VersionFilePtr guardedParseJson(const QJsonDocument & doc,const QString &fileId,const QString &filepath,const bool &requireOrder)
{
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try
{
return OneSixVersionFormat::versionFileFromJson(doc, filepath, requireOrder);
}
catch (const Exception &e)
{
return createErrorVersionFile(fileId, filepath, e.cause());
}
}
VersionFilePtr parseJsonFile(const QFileInfo &fileInfo, const bool requireOrder)
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{
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QFile file(fileInfo.absoluteFilePath());
if (!file.open(QFile::ReadOnly))
{
auto errorStr = QObject::tr("Unable to open the version file %1: %2.").arg(fileInfo.fileName(), file.errorString());
return createErrorVersionFile(fileInfo.completeBaseName(), fileInfo.absoluteFilePath(), errorStr);
}
QJsonParseError error;
auto data = file.readAll();
QJsonDocument doc = QJsonDocument::fromJson(data, &error);
file.close();
if (error.error != QJsonParseError::NoError)
{
int line = 1;
int column = 0;
for(int i = 0; i < error.offset; i++)
{
if(data[i] == '\n')
{
line++;
column = 0;
continue;
}
column++;
}
auto errorStr = QObject::tr("Unable to process the version file %1: %2 at line %3 column %4.")
.arg(fileInfo.fileName(), error.errorString())
.arg(line).arg(column);
return createErrorVersionFile(fileInfo.completeBaseName(), fileInfo.absoluteFilePath(), errorStr);
}
return guardedParseJson(doc, fileInfo.completeBaseName(), fileInfo.absoluteFilePath(), requireOrder);
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}
bool saveJsonFile(const QJsonDocument doc, const QString & filename)
{
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auto data = doc.toJson();
QSaveFile jsonFile(filename);
if(!jsonFile.open(QIODevice::WriteOnly))
{
jsonFile.cancelWriting();
qWarning() << "Couldn't open" << filename << "for writing";
return false;
}
jsonFile.write(data);
if(!jsonFile.commit())
{
qWarning() << "Couldn't save" << filename;
return false;
}
return true;
}
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void removeLwjglFromPatch(VersionFilePtr patch)
{
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auto filter = [](QList<LibraryPtr>& libs)
{
QList<LibraryPtr> filteredLibs;
for (auto lib : libs)
{
if (!g_VersionFilterData.lwjglWhitelist.contains(lib->artifactPrefix()))
{
filteredLibs.append(lib);
}
}
libs = filteredLibs;
};
filter(patch->libraries);
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}
}