pollymc/logic/ForgeInstaller.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.
*/
#include "ForgeInstaller.h"
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#include "VersionFinal.h"
#include "OneSixLibrary.h"
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#include "net/HttpMetaCache.h"
#include <quazip.h>
#include <quazipfile.h>
#include <pathutils.h>
#include <QStringList>
#include <QRegularExpression>
#include <QRegularExpressionMatch>
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#include "MultiMC.h"
#include "tasks/Task.h"
#include "OneSixInstance.h"
#include "lists/ForgeVersionList.h"
#include "gui/dialogs/ProgressDialog.h"
#include <QJsonDocument>
#include <QJsonArray>
#include <QSaveFile>
#include <QCryptographicHash>
ForgeInstaller::ForgeInstaller()
: BaseInstaller()
{
}
void ForgeInstaller::prepare(const QString &filename, const QString &universalUrl)
{
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std::shared_ptr<VersionFinal> newVersion;
m_universal_url = universalUrl;
QuaZip zip(filename);
if (!zip.open(QuaZip::mdUnzip))
return;
QuaZipFile file(&zip);
// read the install profile
if (!zip.setCurrentFile("install_profile.json"))
return;
QJsonParseError jsonError;
if (!file.open(QIODevice::ReadOnly))
return;
QJsonDocument jsonDoc = QJsonDocument::fromJson(file.readAll(), &jsonError);
file.close();
if (jsonError.error != QJsonParseError::NoError)
return;
if (!jsonDoc.isObject())
return;
QJsonObject root = jsonDoc.object();
auto installVal = root.value("install");
auto versionInfoVal = root.value("versionInfo");
if (!installVal.isObject() || !versionInfoVal.isObject())
return;
// read the forge version info
{
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newVersion = VersionFinal::fromJson(versionInfoVal.toObject());
if (!newVersion)
return;
}
QJsonObject installObj = installVal.toObject();
QString libraryName = installObj.value("path").toString();
internalPath = installObj.value("filePath").toString();
m_forgeVersionString = installObj.value("version").toString().remove("Forge").trimmed();
// where do we put the library? decode the mojang path
OneSixLibrary lib(libraryName);
lib.finalize();
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auto cacheentry = MMC->metacache()->resolveEntry("libraries", lib.storagePath());
finalPath = "libraries/" + lib.storagePath();
if (!ensureFilePathExists(finalPath))
return;
if (!zip.setCurrentFile(internalPath))
return;
if (!file.open(QIODevice::ReadOnly))
return;
{
QByteArray data = file.readAll();
// extract file
QSaveFile extraction(finalPath);
if (!extraction.open(QIODevice::WriteOnly))
return;
if (extraction.write(data) != data.size())
return;
if (!extraction.commit())
return;
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QCryptographicHash md5sum(QCryptographicHash::Md5);
md5sum.addData(data);
cacheentry->stale = false;
cacheentry->md5sum = md5sum.result().toHex().constData();
MMC->metacache()->updateEntry(cacheentry);
}
file.close();
m_forge_version = newVersion;
realVersionId = m_forge_version->id = installObj.value("minecraft").toString();
}
bool ForgeInstaller::add(OneSixInstance *to)
{
if (!BaseInstaller::add(to))
{
return false;
}
QJsonObject obj;
obj.insert("order", 5);
if (!m_forge_version)
return false;
int sliding_insert_window = 0;
{
QJsonArray librariesPlus;
// for each library in the version we are adding (except for the blacklisted)
QSet<QString> blacklist{"lwjgl", "lwjgl_util", "lwjgl-platform"};
for (auto lib : m_forge_version->libraries)
{
QString libName = lib->name();
// WARNING: This could actually break.
// if this is the actual forge lib, set an absolute url for the download
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if (libName.contains("minecraftforge"))
{
lib->setAbsoluteUrl(m_universal_url);
}
else if (libName.contains("scala"))
{
lib->setHint("forge-pack-xz");
}
if (blacklist.contains(libName))
continue;
QJsonObject libObj = lib->toJson();
bool found = false;
bool equals = false;
// find an entry that matches this one
for (auto tolib : to->getVanillaVersion()->libraries)
{
if (tolib->name() != libName)
continue;
found = true;
if (tolib->toJson() == libObj)
{
equals = true;
}
// replace lib
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libObj.insert("insert", QString("replace"));
break;
}
if (equals)
{
continue;
}
if (!found)
{
// add lib
libObj.insert("insert", QString("prepend"));
if (lib->name() == "minecraftforge")
{
libObj.insert("MMC-depend", QString("hard"));
}
sliding_insert_window++;
}
librariesPlus.prepend(libObj);
}
obj.insert("+libraries", librariesPlus);
obj.insert("mainClass", m_forge_version->mainClass);
QString args = m_forge_version->minecraftArguments;
QStringList tweakers;
{
QRegularExpression expression("--tweakClass ([a-zA-Z0-9\\.]*)");
QRegularExpressionMatch match = expression.match(args);
while (match.hasMatch())
{
tweakers.append(match.captured(1));
args.remove(match.capturedStart(), match.capturedLength());
match = expression.match(args);
}
}
if (!args.isEmpty() && args != to->getVanillaVersion()->minecraftArguments)
{
obj.insert("minecraftArguments", args);
}
if (!tweakers.isEmpty())
{
obj.insert("+tweakers", QJsonArray::fromStringList(tweakers));
}
if (!m_forge_version->processArguments.isEmpty() &&
m_forge_version->processArguments != to->getVanillaVersion()->processArguments)
{
obj.insert("processArguments", m_forge_version->processArguments);
}
}
obj.insert("name", QString("Forge"));
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obj.insert("fileId", id());
obj.insert("version", m_forgeVersionString);
obj.insert("mcVersion", to->intendedVersionId());
QFile file(filename(to->instanceRoot()));
if (!file.open(QFile::WriteOnly))
{
QLOG_ERROR() << "Error opening" << file.fileName()
<< "for reading:" << file.errorString();
return false;
}
file.write(QJsonDocument(obj).toJson());
file.close();
return true;
}
class ForgeInstallTask : public Task
{
Q_OBJECT
public:
ForgeInstallTask(ForgeInstaller *installer, OneSixInstance *instance, BaseVersionPtr version, QObject *parent = 0)
: Task(parent), m_installer(installer), m_instance(instance), m_version(version)
{
}
protected:
void executeTask() override
{
{
setStatus(tr("Installing forge..."));
ForgeVersionPtr forgeVersion =
std::dynamic_pointer_cast<ForgeVersion>(m_version);
if (!forgeVersion)
{
emitFailed(tr("Unknown error occured"));
return;
}
auto entry = MMC->metacache()->resolveEntry("minecraftforge", forgeVersion->filename);
if (entry->stale)
{
NetJob *fjob = new NetJob("Forge download");
fjob->addNetAction(CacheDownload::make(forgeVersion->installer_url, entry));
connect(fjob, &NetJob::progress, [this](qint64 current, qint64 total){setProgress(100 * current / qMax((qint64)1, total));});
connect(fjob, &NetJob::status, [this](const QString &msg){setStatus(msg);});
connect(fjob, &NetJob::failed, [this](){emitFailed(tr("Failure to download forge"));});
connect(fjob, &NetJob::succeeded, [this, entry, forgeVersion]()
{
if (!install(entry, forgeVersion))
{
QLOG_ERROR() << "Failure installing forge";
emitFailed(tr("Failure to install forge"));
}
else
{
reload();
}
});
}
else
{
if (!install(entry, forgeVersion))
{
QLOG_ERROR() << "Failure installing forge";
emitFailed(tr("Failure to install forge"));
}
else
{
reload();
}
}
}
}
bool install(const std::shared_ptr<MetaEntry> &entry, const ForgeVersionPtr &forgeVersion)
{
QString forgePath = entry->getFullPath();
m_installer->prepare(forgePath, forgeVersion->universal_url);
return m_installer->add(m_instance);
}
void reload()
{
try
{
m_instance->reloadVersion();
emitSucceeded();
}
catch (MMCError &e)
{
emitFailed(e.cause());
}
catch (...)
{
emitFailed(tr("Failed to load the version description file for reasons unknown."));
}
}
private:
ForgeInstaller *m_installer;
OneSixInstance *m_instance;
BaseVersionPtr m_version;
};
ProgressProvider *ForgeInstaller::createInstallTask(OneSixInstance *instance, BaseVersionPtr version, QObject *parent)
{
return new ForgeInstallTask(this, instance, version, parent);
}
#include "ForgeInstaller.moc"