PrismLauncher/launcher/minecraft/Library.cpp
Sefa Eyeoglu 3111e6a721
chore: add missing license headers
Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>
2022-10-08 20:12:07 +02:00

362 lines
11 KiB
C++

// 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.
*/
#include "Library.h"
#include "MinecraftInstance.h"
#include <net/Download.h>
#include <net/ChecksumValidator.h>
#include <FileSystem.h>
#include <BuildConfig.h>
void Library::getApplicableFiles(const RuntimeContext & runtimeContext, QStringList& jar, QStringList& native, QStringList& native32,
QStringList& native64, const QString &overridePath) const
{
bool local = isLocal();
auto actualPath = [&](QString relPath)
{
QFileInfo out(FS::PathCombine(storagePrefix(), relPath));
if(local && !overridePath.isEmpty())
{
QString fileName = out.fileName();
return QFileInfo(FS::PathCombine(overridePath, fileName)).absoluteFilePath();
}
return out.absoluteFilePath();
};
QString raw_storage = storageSuffix(runtimeContext);
if(isNative())
{
if (raw_storage.contains("${arch}"))
{
auto nat32Storage = raw_storage;
nat32Storage.replace("${arch}", "32");
auto nat64Storage = raw_storage;
nat64Storage.replace("${arch}", "64");
native32 += actualPath(nat32Storage);
native64 += actualPath(nat64Storage);
}
else
{
native += actualPath(raw_storage);
}
}
else
{
jar += actualPath(raw_storage);
}
}
QList<NetAction::Ptr> Library::getDownloads(
const RuntimeContext & runtimeContext,
class HttpMetaCache* cache,
QStringList& failedLocalFiles,
const QString & overridePath
) const
{
QList<NetAction::Ptr> out;
bool stale = isAlwaysStale();
bool local = isLocal();
auto check_local_file = [&](QString storage)
{
QFileInfo fileinfo(storage);
QString fileName = fileinfo.fileName();
auto fullPath = FS::PathCombine(overridePath, fileName);
QFileInfo localFileInfo(fullPath);
if(!localFileInfo.exists())
{
failedLocalFiles.append(localFileInfo.filePath());
return false;
}
return true;
};
auto add_download = [&](QString storage, QString url, QString sha1)
{
if(local)
{
return check_local_file(storage);
}
auto entry = cache->resolveEntry("libraries", storage);
if(stale)
{
entry->setStale(true);
}
if (!entry->isStale())
return true;
Net::Download::Options options;
if(stale)
{
options |= Net::Download::Option::AcceptLocalFiles;
}
// Don't add a time limit for the libraries cache entry validity
options |= Net::Download::Option::MakeEternal;
if(sha1.size())
{
auto rawSha1 = QByteArray::fromHex(sha1.toLatin1());
auto dl = Net::Download::makeCached(url, entry, options);
dl->addValidator(new Net::ChecksumValidator(QCryptographicHash::Sha1, rawSha1));
qDebug() << "Checksummed Download for:" << rawName().serialize() << "storage:" << storage << "url:" << url;
out.append(dl);
}
else
{
out.append(Net::Download::makeCached(url, entry, options));
qDebug() << "Download for:" << rawName().serialize() << "storage:" << storage << "url:" << url;
}
return true;
};
QString raw_storage = storageSuffix(runtimeContext);
if(m_mojangDownloads)
{
if(isNative())
{
auto nativeClassifier = getCompatibleNative(runtimeContext);
if(!nativeClassifier.isNull())
{
if(nativeClassifier.contains("${arch}"))
{
auto nat32Classifier = nativeClassifier;
nat32Classifier.replace("${arch}", "32");
auto nat64Classifier = nativeClassifier;
nat64Classifier.replace("${arch}", "64");
auto nat32info = m_mojangDownloads->getDownloadInfo(nat32Classifier);
if(nat32info)
{
auto cooked_storage = raw_storage;
cooked_storage.replace("${arch}", "32");
add_download(cooked_storage, nat32info->url, nat32info->sha1);
}
auto nat64info = m_mojangDownloads->getDownloadInfo(nat64Classifier);
if(nat64info)
{
auto cooked_storage = raw_storage;
cooked_storage.replace("${arch}", "64");
add_download(cooked_storage, nat64info->url, nat64info->sha1);
}
}
else
{
auto info = m_mojangDownloads->getDownloadInfo(nativeClassifier);
if(info)
{
add_download(raw_storage, info->url, info->sha1);
}
}
}
else
{
qDebug() << "Ignoring native library" << m_name.serialize() << "because it has no classifier for current OS";
}
}
else
{
if(m_mojangDownloads->artifact)
{
auto artifact = m_mojangDownloads->artifact;
add_download(raw_storage, artifact->url, artifact->sha1);
}
else
{
qDebug() << "Ignoring java library" << m_name.serialize() << "because it has no artifact";
}
}
}
else
{
auto raw_dl = [&]()
{
if (!m_absoluteURL.isEmpty())
{
return m_absoluteURL;
}
if (m_repositoryURL.isEmpty())
{
return BuildConfig.LIBRARY_BASE + raw_storage;
}
if(m_repositoryURL.endsWith('/'))
{
return m_repositoryURL + raw_storage;
}
else
{
return m_repositoryURL + QChar('/') + raw_storage;
}
}();
if (raw_storage.contains("${arch}"))
{
QString cooked_storage = raw_storage;
QString cooked_dl = raw_dl;
add_download(cooked_storage.replace("${arch}", "32"), cooked_dl.replace("${arch}", "32"), QString());
cooked_storage = raw_storage;
cooked_dl = raw_dl;
add_download(cooked_storage.replace("${arch}", "64"), cooked_dl.replace("${arch}", "64"), QString());
}
else
{
add_download(raw_storage, raw_dl, QString());
}
}
return out;
}
bool Library::isActive(const RuntimeContext & runtimeContext) const
{
bool result = true;
if (m_rules.empty())
{
result = true;
}
else
{
RuleAction ruleResult = Disallow;
for (auto rule : m_rules)
{
RuleAction temp = rule->apply(this, runtimeContext);
if (temp != Defer)
ruleResult = temp;
}
result = result && (ruleResult == Allow);
}
if (isNative())
{
result = result && !getCompatibleNative(runtimeContext).isNull();
}
return result;
}
bool Library::isLocal() const
{
return m_hint == "local";
}
bool Library::isAlwaysStale() const
{
return m_hint == "always-stale";
}
QString Library::getCompatibleNative(const RuntimeContext & runtimeContext) const {
// try to match precise classifier "[os]-[arch]"
auto entry = m_nativeClassifiers.constFind(runtimeContext.getClassifier());
// try to match imprecise classifier on legacy architectures "[os]"
if (entry == m_nativeClassifiers.constEnd() && runtimeContext.isLegacyArch())
entry = m_nativeClassifiers.constFind(runtimeContext.system);
if (entry == m_nativeClassifiers.constEnd())
return QString();
return entry.value();
}
void Library::setStoragePrefix(QString prefix)
{
m_storagePrefix = prefix;
}
QString Library::defaultStoragePrefix()
{
return "libraries/";
}
QString Library::storagePrefix() const
{
if(m_storagePrefix.isEmpty())
{
return defaultStoragePrefix();
}
return m_storagePrefix;
}
QString Library::filename(const RuntimeContext & runtimeContext) const
{
if(!m_filename.isEmpty())
{
return m_filename;
}
// non-native? use only the gradle specifier
if (!isNative())
{
return m_name.getFileName();
}
// otherwise native, override classifiers. Mojang HACK!
GradleSpecifier nativeSpec = m_name;
QString nativeClassifier = getCompatibleNative(runtimeContext);
if (!nativeClassifier.isNull())
{
nativeSpec.setClassifier(nativeClassifier);
}
else
{
nativeSpec.setClassifier("INVALID");
}
return nativeSpec.getFileName();
}
QString Library::displayName(const RuntimeContext & runtimeContext) const
{
if(!m_displayname.isEmpty())
return m_displayname;
return filename(runtimeContext);
}
QString Library::storageSuffix(const RuntimeContext & runtimeContext) const
{
// non-native? use only the gradle specifier
if (!isNative())
{
return m_name.toPath(m_filename);
}
// otherwise native, override classifiers. Mojang HACK!
GradleSpecifier nativeSpec = m_name;
QString nativeClassifier = getCompatibleNative(runtimeContext);
if (!nativeClassifier.isNull())
{
nativeSpec.setClassifier(nativeClassifier);
}
else
{
nativeSpec.setClassifier("INVALID");
}
return nativeSpec.toPath(m_filename);
}