mirror of
https://github.com/MultiMC/MultiMC5.git
synced 2024-12-27 21:15:19 +00:00
334 lines
9.1 KiB
C++
334 lines
9.1 KiB
C++
/* 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.
|
|
*/
|
|
|
|
#include <QFileInfo>
|
|
#include <QDir>
|
|
#include <QDirIterator>
|
|
#include <QCryptographicHash>
|
|
#include <QJsonParseError>
|
|
#include <QJsonDocument>
|
|
#include <QJsonObject>
|
|
#include <QVariant>
|
|
#include <QDebug>
|
|
|
|
#include "AssetsUtils.h"
|
|
#include "FileSystem.h"
|
|
#include "net/Download.h"
|
|
#include "net/ChecksumValidator.h"
|
|
#include "BuildConfig.h"
|
|
|
|
namespace {
|
|
QSet<QString> collectPathsFromDir(QString dirPath)
|
|
{
|
|
QFileInfo dirInfo(dirPath);
|
|
|
|
if (!dirInfo.exists())
|
|
{
|
|
return {};
|
|
}
|
|
|
|
QSet<QString> out;
|
|
|
|
QDirIterator iter(dirPath, QDirIterator::Subdirectories);
|
|
while (iter.hasNext())
|
|
{
|
|
QString value = iter.next();
|
|
QFileInfo info(value);
|
|
if(info.isFile())
|
|
{
|
|
out.insert(value);
|
|
qDebug() << value;
|
|
}
|
|
}
|
|
return out;
|
|
}
|
|
}
|
|
|
|
|
|
namespace AssetsUtils
|
|
{
|
|
|
|
/*
|
|
* Returns true on success, with index populated
|
|
* index is undefined otherwise
|
|
*/
|
|
bool loadAssetsIndexJson(const QString &assetsId, const QString &path, AssetsIndex& index)
|
|
{
|
|
/*
|
|
{
|
|
"objects": {
|
|
"icons/icon_16x16.png": {
|
|
"hash": "bdf48ef6b5d0d23bbb02e17d04865216179f510a",
|
|
"size": 3665
|
|
},
|
|
...
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
|
|
QFile file(path);
|
|
|
|
// Try to open the file and fail if we can't.
|
|
// TODO: We should probably report this error to the user.
|
|
if (!file.open(QIODevice::ReadOnly))
|
|
{
|
|
qCritical() << "Failed to read assets index file" << path;
|
|
return false;
|
|
}
|
|
index.id = assetsId;
|
|
|
|
// Read the file and close it.
|
|
QByteArray jsonData = file.readAll();
|
|
file.close();
|
|
|
|
QJsonParseError parseError;
|
|
QJsonDocument jsonDoc = QJsonDocument::fromJson(jsonData, &parseError);
|
|
|
|
// Fail if the JSON is invalid.
|
|
if (parseError.error != QJsonParseError::NoError)
|
|
{
|
|
qCritical() << "Failed to parse assets index file:" << parseError.errorString()
|
|
<< "at offset " << QString::number(parseError.offset);
|
|
return false;
|
|
}
|
|
|
|
// Make sure the root is an object.
|
|
if (!jsonDoc.isObject())
|
|
{
|
|
qCritical() << "Invalid assets index JSON: Root should be an array.";
|
|
return false;
|
|
}
|
|
|
|
QJsonObject root = jsonDoc.object();
|
|
|
|
QJsonValue isVirtual = root.value("virtual");
|
|
if (!isVirtual.isUndefined())
|
|
{
|
|
index.isVirtual = isVirtual.toBool(false);
|
|
}
|
|
|
|
QJsonValue mapToResources = root.value("map_to_resources");
|
|
if (!mapToResources.isUndefined())
|
|
{
|
|
index.mapToResources = mapToResources.toBool(false);
|
|
}
|
|
|
|
QJsonValue objects = root.value("objects");
|
|
QVariantMap map = objects.toVariant().toMap();
|
|
|
|
for (QVariantMap::const_iterator iter = map.begin(); iter != map.end(); ++iter)
|
|
{
|
|
// qDebug() << iter.key();
|
|
|
|
QVariant variant = iter.value();
|
|
QVariantMap nested_objects = variant.toMap();
|
|
|
|
AssetObject object;
|
|
|
|
for (QVariantMap::const_iterator nested_iter = nested_objects.begin();
|
|
nested_iter != nested_objects.end(); ++nested_iter)
|
|
{
|
|
// qDebug() << nested_iter.key() << nested_iter.value().toString();
|
|
QString key = nested_iter.key();
|
|
QVariant value = nested_iter.value();
|
|
|
|
if (key == "hash")
|
|
{
|
|
object.hash = value.toString();
|
|
}
|
|
else if (key == "size")
|
|
{
|
|
object.size = value.toDouble();
|
|
}
|
|
}
|
|
|
|
index.objects.insert(iter.key(), object);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
// FIXME: ugly code duplication
|
|
QDir getAssetsDir(const QString &assetsId, const QString &resourcesFolder)
|
|
{
|
|
QDir assetsDir = QDir("assets/");
|
|
QDir indexDir = QDir(FS::PathCombine(assetsDir.path(), "indexes"));
|
|
QDir objectDir = QDir(FS::PathCombine(assetsDir.path(), "objects"));
|
|
QDir virtualDir = QDir(FS::PathCombine(assetsDir.path(), "virtual"));
|
|
|
|
QString indexPath = FS::PathCombine(indexDir.path(), assetsId + ".json");
|
|
QFile indexFile(indexPath);
|
|
QDir virtualRoot(FS::PathCombine(virtualDir.path(), assetsId));
|
|
|
|
if (!indexFile.exists())
|
|
{
|
|
qCritical() << "No assets index file" << indexPath << "; can't determine assets path!";
|
|
return virtualRoot;
|
|
}
|
|
|
|
AssetsIndex index;
|
|
if(!AssetsUtils::loadAssetsIndexJson(assetsId, indexPath, index))
|
|
{
|
|
qCritical() << "Failed to load asset index file" << indexPath << "; can't determine assets path!";
|
|
return virtualRoot;
|
|
}
|
|
|
|
QString targetPath;
|
|
if(index.isVirtual)
|
|
{
|
|
return virtualRoot;
|
|
}
|
|
else if(index.mapToResources)
|
|
{
|
|
return QDir(resourcesFolder);
|
|
}
|
|
return virtualRoot;
|
|
}
|
|
|
|
// FIXME: ugly code duplication
|
|
bool reconstructAssets(QString assetsId, QString resourcesFolder)
|
|
{
|
|
QDir assetsDir = QDir("assets/");
|
|
QDir indexDir = QDir(FS::PathCombine(assetsDir.path(), "indexes"));
|
|
QDir objectDir = QDir(FS::PathCombine(assetsDir.path(), "objects"));
|
|
QDir virtualDir = QDir(FS::PathCombine(assetsDir.path(), "virtual"));
|
|
|
|
QString indexPath = FS::PathCombine(indexDir.path(), assetsId + ".json");
|
|
QFile indexFile(indexPath);
|
|
QDir virtualRoot(FS::PathCombine(virtualDir.path(), assetsId));
|
|
|
|
if (!indexFile.exists())
|
|
{
|
|
qCritical() << "No assets index file" << indexPath << "; can't reconstruct assets!";
|
|
return false;
|
|
}
|
|
|
|
qDebug() << "reconstructAssets" << assetsDir.path() << indexDir.path() << objectDir.path() << virtualDir.path() << virtualRoot.path();
|
|
|
|
AssetsIndex index;
|
|
if(!AssetsUtils::loadAssetsIndexJson(assetsId, indexPath, index))
|
|
{
|
|
qCritical() << "Failed to load asset index file" << indexPath << "; can't reconstruct assets!";
|
|
return false;
|
|
}
|
|
|
|
QString targetPath;
|
|
bool removeLeftovers = false;
|
|
if(index.isVirtual)
|
|
{
|
|
targetPath = virtualRoot.path();
|
|
removeLeftovers = true;
|
|
qDebug() << "Reconstructing virtual assets folder at" << targetPath;
|
|
}
|
|
else if(index.mapToResources)
|
|
{
|
|
targetPath = resourcesFolder;
|
|
qDebug() << "Reconstructing resources folder at" << targetPath;
|
|
}
|
|
|
|
if (!targetPath.isNull())
|
|
{
|
|
auto presentFiles = collectPathsFromDir(targetPath);
|
|
for (QString map : index.objects.keys())
|
|
{
|
|
AssetObject asset_object = index.objects.value(map);
|
|
QString target_path = FS::PathCombine(targetPath, map);
|
|
QFile target(target_path);
|
|
|
|
QString tlk = asset_object.hash.left(2);
|
|
|
|
QString original_path = FS::PathCombine(objectDir.path(), tlk, asset_object.hash);
|
|
QFile original(original_path);
|
|
if (!original.exists())
|
|
continue;
|
|
|
|
presentFiles.remove(target_path);
|
|
|
|
if (!target.exists())
|
|
{
|
|
QFileInfo info(target_path);
|
|
QDir target_dir = info.dir();
|
|
|
|
qDebug() << target_dir.path();
|
|
FS::ensureFolderPathExists(target_dir.path());
|
|
|
|
bool couldCopy = original.copy(target_path);
|
|
qDebug() << " Copying" << original_path << "to" << target_path << QString::number(couldCopy);
|
|
}
|
|
}
|
|
|
|
// TODO: Write last used time to virtualRoot/.lastused
|
|
if(removeLeftovers)
|
|
{
|
|
for(auto & file: presentFiles)
|
|
{
|
|
qDebug() << "Would remove" << file;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
}
|
|
|
|
NetAction::Ptr AssetObject::getDownloadAction()
|
|
{
|
|
QFileInfo objectFile(getLocalPath());
|
|
if ((!objectFile.isFile()) || (objectFile.size() != size))
|
|
{
|
|
auto objectDL = Net::Download::makeFile(getUrl(), objectFile.filePath());
|
|
if(hash.size())
|
|
{
|
|
auto rawHash = QByteArray::fromHex(hash.toLatin1());
|
|
objectDL->addValidator(new Net::ChecksumValidator(QCryptographicHash::Sha1, rawHash));
|
|
}
|
|
objectDL->m_total_progress = size;
|
|
return objectDL;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
QString AssetObject::getLocalPath()
|
|
{
|
|
return "assets/objects/" + getRelPath();
|
|
}
|
|
|
|
QUrl AssetObject::getUrl()
|
|
{
|
|
return BuildConfig.RESOURCE_BASE + getRelPath();
|
|
}
|
|
|
|
QString AssetObject::getRelPath()
|
|
{
|
|
return hash.left(2) + "/" + hash;
|
|
}
|
|
|
|
NetJob::Ptr AssetsIndex::getDownloadJob()
|
|
{
|
|
auto job = new NetJob(QObject::tr("Assets for %1").arg(id));
|
|
for (auto &object : objects.values())
|
|
{
|
|
auto dl = object.getDownloadAction();
|
|
if(dl)
|
|
{
|
|
job->addNetAction(dl);
|
|
}
|
|
}
|
|
if(job->size())
|
|
return job;
|
|
return nullptr;
|
|
}
|