MultiMC5/logic/Mod.cpp

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/* Copyright 2013 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 <QDir>
#include <QString>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
#include <QJsonValue>
#include <quazip.h>
#include <quazipfile.h>
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#include "Mod.h"
#include <pathutils.h>
#include <inifile.h>
#include "logger/QsLog.h"
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Mod::Mod(const QFileInfo &file)
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{
repath(file);
}
void Mod::repath(const QFileInfo &file)
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{
m_file = file;
QString name_base = file.fileName();
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m_type = Mod::MOD_UNKNOWN;
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if (m_file.isDir())
{
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m_type = MOD_FOLDER;
m_name = name_base;
m_mmc_id = name_base;
}
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else if (m_file.isFile())
{
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if (name_base.endsWith(".disabled"))
{
m_enabled = false;
name_base.chop(9);
}
else
{
m_enabled = true;
}
m_mmc_id = name_base;
if (name_base.endsWith(".zip") || name_base.endsWith(".jar"))
{
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m_type = MOD_ZIPFILE;
name_base.chop(4);
}
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else if (name_base.endsWith(".litemod"))
{
m_type = MOD_LITEMOD;
name_base.chop(8);
}
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else
{
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m_type = MOD_SINGLEFILE;
}
m_name = name_base;
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}
if (m_type == MOD_ZIPFILE)
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{
QuaZip zip(m_file.filePath());
if (!zip.open(QuaZip::mdUnzip))
return;
QuaZipFile file(&zip);
if (zip.setCurrentFile("mcmod.info"))
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{
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if (!file.open(QIODevice::ReadOnly))
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{
zip.close();
return;
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}
ReadMCModInfo(file.readAll());
file.close();
zip.close();
return;
}
else if (zip.setCurrentFile("forgeversion.properties"))
{
if (!file.open(QIODevice::ReadOnly))
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{
zip.close();
return;
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}
ReadForgeInfo(file.readAll());
file.close();
zip.close();
return;
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}
zip.close();
}
else if (m_type == MOD_FOLDER)
{
QFileInfo mcmod_info(PathCombine(m_file.filePath(), "mcmod.info"));
if (mcmod_info.isFile())
{
QFile mcmod(mcmod_info.filePath());
if (!mcmod.open(QIODevice::ReadOnly))
return;
auto data = mcmod.readAll();
if (data.isEmpty() || data.isNull())
return;
ReadMCModInfo(data);
}
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}
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else if (m_type == MOD_LITEMOD)
{
QuaZip zip(m_file.filePath());
if (!zip.open(QuaZip::mdUnzip))
return;
QuaZipFile file(&zip);
if (zip.setCurrentFile("litemod.json"))
{
if (!file.open(QIODevice::ReadOnly))
{
zip.close();
return;
}
ReadLiteModInfo(file.readAll());
file.close();
}
zip.close();
}
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}
// NEW format
// https://github.com/MinecraftForge/FML/wiki/FML-mod-information-file/6f62b37cea040daf350dc253eae6326dd9c822c3
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// OLD format:
// https://github.com/MinecraftForge/FML/wiki/FML-mod-information-file/5bf6a2d05145ec79387acc0d45c958642fb049fc
void Mod::ReadMCModInfo(QByteArray contents)
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{
auto getInfoFromArray = [&](QJsonArray arr)->void
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{
if (!arr.at(0).isObject())
return;
auto firstObj = arr.at(0).toObject();
m_mod_id = firstObj.value("modid").toString();
m_name = firstObj.value("name").toString();
m_version = firstObj.value("version").toString();
m_homeurl = firstObj.value("url").toString();
m_description = firstObj.value("description").toString();
QJsonArray authors = firstObj.value("authors").toArray();
if (authors.size() == 0)
m_authors = "";
else if (authors.size() >= 1)
{
m_authors = authors.at(0).toString();
for (int i = 1; i < authors.size(); i++)
{
m_authors += ", " + authors.at(i).toString();
}
}
m_credits = firstObj.value("credits").toString();
return;
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};
QJsonParseError jsonError;
QJsonDocument jsonDoc = QJsonDocument::fromJson(contents, &jsonError);
// this is the very old format that had just the array
if (jsonDoc.isArray())
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{
getInfoFromArray(jsonDoc.array());
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}
else if (jsonDoc.isObject())
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{
auto val = jsonDoc.object().value("modinfoversion");
int version = val.toDouble();
if (version != 2)
{
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QLOG_ERROR() << "BAD stuff happened to mod json:";
QLOG_ERROR() << contents;
return;
}
auto arrVal = jsonDoc.object().value("modlist");
if (arrVal.isArray())
{
getInfoFromArray(arrVal.toArray());
}
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}
}
void Mod::ReadForgeInfo(QByteArray contents)
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{
// Read the data
m_name = "Minecraft Forge";
m_mod_id = "Forge";
m_homeurl = "http://www.minecraftforge.net/forum/";
INIFile ini;
if (!ini.loadFile(contents))
return;
QString major = ini.get("forge.major.number", "0").toString();
QString minor = ini.get("forge.minor.number", "0").toString();
QString revision = ini.get("forge.revision.number", "0").toString();
QString build = ini.get("forge.build.number", "0").toString();
m_version = major + "." + minor + "." + revision + "." + build;
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}
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void Mod::ReadLiteModInfo(QByteArray contents)
{
QJsonParseError jsonError;
QJsonDocument jsonDoc = QJsonDocument::fromJson(contents, &jsonError);
auto object = jsonDoc.object();
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if(object.contains("name"))
{
m_mod_id = m_name = object.value("name").toString();
}
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if(object.contains("version"))
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{
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m_version=object.value("version").toString("");
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}
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else
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{
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m_version=object.value("revision").toString("");
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}
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m_mcversion = object.value("mcversion").toString();
m_authors = object.value("author").toString();
m_description = object.value("description").toString();
m_homeurl = object.value("url").toString();
}
bool Mod::replace(Mod &with)
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{
if (!destroy())
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return false;
bool success = false;
auto t = with.type();
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if (t == MOD_ZIPFILE || t == MOD_SINGLEFILE)
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{
QLOG_DEBUG() << "Copy: " << with.m_file.filePath() << " to " << m_file.filePath();
success = QFile::copy(with.m_file.filePath(), m_file.filePath());
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}
if (t == MOD_FOLDER)
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{
success = copyPath(with.m_file.filePath(), m_file.path());
}
if (success)
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{
m_name = with.m_name;
m_mmc_id = with.m_mmc_id;
m_mod_id = with.m_mod_id;
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m_version = with.m_version;
m_mcversion = with.m_mcversion;
m_description = with.m_description;
m_authors = with.m_authors;
m_credits = with.m_credits;
m_homeurl = with.m_homeurl;
m_type = with.m_type;
m_file.refresh();
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}
return success;
}
bool Mod::destroy()
{
if (m_type == MOD_FOLDER)
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{
QDir d(m_file.filePath());
if (d.removeRecursively())
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{
m_type = MOD_UNKNOWN;
return true;
}
return false;
}
else if (m_type == MOD_SINGLEFILE || m_type == MOD_ZIPFILE)
{
QFile f(m_file.filePath());
if (f.remove())
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{
m_type = MOD_UNKNOWN;
return true;
}
return false;
}
return true;
}
QString Mod::version() const
{
switch (type())
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{
case MOD_ZIPFILE:
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case MOD_LITEMOD:
return m_version;
case MOD_FOLDER:
return "Folder";
case MOD_SINGLEFILE:
return "File";
default:
return "VOID";
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}
}
bool Mod::enable(bool value)
{
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if (m_type == Mod::MOD_UNKNOWN || m_type == Mod::MOD_FOLDER)
return false;
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if (m_enabled == value)
return false;
QString path = m_file.absoluteFilePath();
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if (value)
{
QFile foo(path);
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if (!path.endsWith(".disabled"))
return false;
path.chop(9);
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if (!foo.rename(path))
return false;
}
else
{
QFile foo(path);
path += ".disabled";
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if (!foo.rename(path))
return false;
}
m_file = QFileInfo(path);
m_enabled = value;
return true;
}
bool Mod::operator==(const Mod &other) const
{
return mmc_id() == other.mmc_id();
}
bool Mod::strongCompare(const Mod &other) const
{
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return mmc_id() == other.mmc_id() && version() == other.version() && type() == other.type();
}