NOISSUE reorganize and document libraries
This commit is contained in:
Petr Mrázek
393
api/logic/minecraft/legacy/LegacyUpdate.cpp
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393
api/logic/minecraft/legacy/LegacyUpdate.cpp
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/* Copyright 2013-2015 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <QStringList>
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#include <quazip.h>
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#include <quazipfile.h>
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#include <QDebug>
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#include "Env.h"
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#include "BaseInstance.h"
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#include "net/URLConstants.h"
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#include "MMCZip.h"
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#include "LegacyUpdate.h"
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#include "LwjglVersionList.h"
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#include "minecraft/MinecraftVersionList.h"
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#include "minecraft/ModList.h"
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#include "LegacyInstance.h"
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#include <FileSystem.h>
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LegacyUpdate::LegacyUpdate(BaseInstance *inst, QObject *parent) : Task(parent), m_inst(inst)
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{
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}
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void LegacyUpdate::executeTask()
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{
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fmllibsStart();
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}
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void LegacyUpdate::fmllibsStart()
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{
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// Get the mod list
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LegacyInstance *inst = (LegacyInstance *)m_inst;
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auto modList = inst->jarModList();
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bool forge_present = false;
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QString version = inst->intendedVersionId();
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auto & fmlLibsMapping = g_VersionFilterData.fmlLibsMapping;
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if (!fmlLibsMapping.contains(version))
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{
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lwjglStart();
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return;
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}
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auto &libList = fmlLibsMapping[version];
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// determine if we need some libs for FML or forge
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setStatus(tr("Checking for FML libraries..."));
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for (unsigned i = 0; i < modList->size(); i++)
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{
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auto &mod = modList->operator[](i);
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// do not use disabled mods.
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if (!mod.enabled())
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continue;
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if (mod.type() != Mod::MOD_ZIPFILE)
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continue;
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if (mod.mmc_id().contains("forge", Qt::CaseInsensitive))
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{
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forge_present = true;
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break;
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}
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if (mod.mmc_id().contains("fml", Qt::CaseInsensitive))
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{
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forge_present = true;
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break;
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}
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}
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// we don't...
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if (!forge_present)
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{
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lwjglStart();
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return;
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}
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// now check the lib folder inside the instance for files.
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for (auto &lib : libList)
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{
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QFileInfo libInfo(FS::PathCombine(inst->libDir(), lib.filename));
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if (libInfo.exists())
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continue;
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fmlLibsToProcess.append(lib);
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}
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// if everything is in place, there's nothing to do here...
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if (fmlLibsToProcess.isEmpty())
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{
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lwjglStart();
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return;
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}
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// download missing libs to our place
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setStatus(tr("Dowloading FML libraries..."));
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auto dljob = new NetJob("FML libraries");
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auto metacache = ENV.metacache();
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for (auto &lib : fmlLibsToProcess)
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{
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auto entry = metacache->resolveEntry("fmllibs", lib.filename);
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QString urlString = lib.ours ? URLConstants::FMLLIBS_OUR_BASE_URL + lib.filename
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: URLConstants::FMLLIBS_FORGE_BASE_URL + lib.filename;
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dljob->addNetAction(CacheDownload::make(QUrl(urlString), entry));
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}
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connect(dljob, &NetJob::succeeded, this, &LegacyUpdate::fmllibsFinished);
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connect(dljob, &NetJob::failed, this, &LegacyUpdate::fmllibsFailed);
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connect(dljob, &NetJob::progress, this, &LegacyUpdate::progress);
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legacyDownloadJob.reset(dljob);
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legacyDownloadJob->start();
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}
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void LegacyUpdate::fmllibsFinished()
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{
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legacyDownloadJob.reset();
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if(!fmlLibsToProcess.isEmpty())
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{
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setStatus(tr("Copying FML libraries into the instance..."));
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LegacyInstance *inst = (LegacyInstance *)m_inst;
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auto metacache = ENV.metacache();
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int index = 0;
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for (auto &lib : fmlLibsToProcess)
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{
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progress(index, fmlLibsToProcess.size());
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auto entry = metacache->resolveEntry("fmllibs", lib.filename);
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auto path = FS::PathCombine(inst->libDir(), lib.filename);
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if(!FS::ensureFilePathExists(path))
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{
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emitFailed(tr("Failed creating FML library folder inside the instance."));
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return;
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}
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if (!QFile::copy(entry->getFullPath(), FS::PathCombine(inst->libDir(), lib.filename)))
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{
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emitFailed(tr("Failed copying Forge/FML library: %1.").arg(lib.filename));
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return;
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}
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index++;
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}
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progress(index, fmlLibsToProcess.size());
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}
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lwjglStart();
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}
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void LegacyUpdate::fmllibsFailed(QString reason)
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{
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emitFailed(tr("Game update failed: it was impossible to fetch the required FML libraries. Reason: %1").arg(reason));
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return;
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}
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void LegacyUpdate::lwjglStart()
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{
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LegacyInstance *inst = (LegacyInstance *)m_inst;
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lwjglVersion = inst->lwjglVersion();
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lwjglTargetPath = FS::PathCombine(inst->lwjglFolder(), lwjglVersion);
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lwjglNativesPath = FS::PathCombine(lwjglTargetPath, "natives");
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// if the 'done' file exists, we don't have to download this again
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QFileInfo doneFile(FS::PathCombine(lwjglTargetPath, "done"));
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if (doneFile.exists())
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{
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jarStart();
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return;
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}
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auto list = std::dynamic_pointer_cast<LWJGLVersionList>(ENV.getVersionList("org.lwjgl.legacy"));
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if (!list->isLoaded())
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{
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emitFailed("Too soon! Let the LWJGL list load :)");
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return;
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}
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setStatus(tr("Downloading new LWJGL..."));
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auto version = std::dynamic_pointer_cast<LWJGLVersion>(list->findVersion(lwjglVersion));
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if (!version)
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{
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emitFailed("Game update failed: the selected LWJGL version is invalid.");
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return;
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}
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QString url = version->url();
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QUrl realUrl(url);
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QString hostname = realUrl.host();
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auto worker = ENV.qnam();
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QNetworkRequest req(realUrl);
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req.setRawHeader("Host", hostname.toLatin1());
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req.setHeader(QNetworkRequest::UserAgentHeader, "MultiMC/5.0 (Cached)");
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QNetworkReply *rep = worker->get(req);
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m_reply = std::shared_ptr<QNetworkReply>(rep);
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connect(rep, &QNetworkReply::downloadProgress, this, &LegacyUpdate::progress);
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connect(worker.get(), &QNetworkAccessManager::finished, this, &LegacyUpdate::lwjglFinished);
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}
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void LegacyUpdate::lwjglFinished(QNetworkReply *reply)
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{
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if (m_reply.get() != reply)
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{
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return;
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}
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if (reply->error() != QNetworkReply::NoError)
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{
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emitFailed("Failed to download: " + reply->errorString() +
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"\nSometimes you have to wait a bit if you download many LWJGL versions in "
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"a row. YMMV");
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return;
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}
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auto worker = ENV.qnam();
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// Here i check if there is a cookie for me in the reply and extract it
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QList<QNetworkCookie> cookies =
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qvariant_cast<QList<QNetworkCookie>>(reply->header(QNetworkRequest::SetCookieHeader));
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if (cookies.count() != 0)
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{
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// you must tell which cookie goes with which url
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worker->cookieJar()->setCookiesFromUrl(cookies, QUrl("sourceforge.net"));
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}
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// here you can check for the 302 or whatever other header i need
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QVariant newLoc = reply->header(QNetworkRequest::LocationHeader);
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if (newLoc.isValid())
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{
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QString redirectedTo = reply->header(QNetworkRequest::LocationHeader).toString();
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QUrl realUrl(redirectedTo);
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QString hostname = realUrl.host();
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QNetworkRequest req(redirectedTo);
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req.setRawHeader("Host", hostname.toLatin1());
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req.setHeader(QNetworkRequest::UserAgentHeader, "MultiMC/5.0 (Cached)");
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QNetworkReply *rep = worker->get(req);
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connect(rep, &QNetworkReply::downloadProgress, this, &LegacyUpdate::progress);
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m_reply = std::shared_ptr<QNetworkReply>(rep);
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return;
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}
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QFile saveMe("lwjgl.zip");
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saveMe.open(QIODevice::WriteOnly);
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saveMe.write(m_reply->readAll());
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saveMe.close();
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setStatus(tr("Installing new LWJGL..."));
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extractLwjgl();
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jarStart();
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}
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void LegacyUpdate::extractLwjgl()
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{
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// make sure the directories are there
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bool success = FS::ensureFolderPathExists(lwjglNativesPath);
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if (!success)
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{
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emitFailed("Failed to extract the lwjgl libs - error when creating required folders.");
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return;
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}
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QuaZip zip("lwjgl.zip");
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if (!zip.open(QuaZip::mdUnzip))
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{
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emitFailed("Failed to extract the lwjgl libs - not a valid archive.");
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return;
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}
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// and now we are going to access files inside it
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QuaZipFile file(&zip);
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const QString jarNames[] = {"jinput.jar", "lwjgl_util.jar", "lwjgl.jar"};
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for (bool more = zip.goToFirstFile(); more; more = zip.goToNextFile())
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{
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if (!file.open(QIODevice::ReadOnly))
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{
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zip.close();
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emitFailed("Failed to extract the lwjgl libs - error while reading archive.");
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return;
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}
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QuaZipFileInfo info;
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QString name = file.getActualFileName();
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if (name.endsWith('/'))
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{
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file.close();
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continue;
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}
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QString destFileName;
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// Look for the jars
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for (int i = 0; i < 3; i++)
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{
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if (name.endsWith(jarNames[i]))
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{
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destFileName = FS::PathCombine(lwjglTargetPath, jarNames[i]);
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}
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}
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// Not found? look for the natives
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if (destFileName.isEmpty())
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{
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#ifdef Q_OS_WIN32
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QString nativesDir = "windows";
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#else
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#ifdef Q_OS_MAC
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QString nativesDir = "macosx";
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#else
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QString nativesDir = "linux";
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#endif
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#endif
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if (name.contains(nativesDir))
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{
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int lastSlash = name.lastIndexOf('/');
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int lastBackSlash = name.lastIndexOf('\\');
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if (lastSlash != -1)
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name = name.mid(lastSlash + 1);
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else if (lastBackSlash != -1)
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name = name.mid(lastBackSlash + 1);
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destFileName = FS::PathCombine(lwjglNativesPath, name);
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}
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}
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// Now if destFileName is still empty, go to the next file.
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if (!destFileName.isEmpty())
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{
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setStatus(tr("Installing new LWJGL - extracting ") + name + "...");
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QFile output(destFileName);
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output.open(QIODevice::WriteOnly);
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output.write(file.readAll());
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output.close();
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}
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file.close(); // do not forget to close!
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}
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zip.close();
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m_reply.reset();
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QFile doneFile(FS::PathCombine(lwjglTargetPath, "done"));
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doneFile.open(QIODevice::WriteOnly);
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doneFile.write("done.");
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doneFile.close();
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}
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void LegacyUpdate::lwjglFailed(QString reason)
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{
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emitFailed(tr("Bad stuff happened while trying to get the lwjgl libs: %1").arg(reason));
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}
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void LegacyUpdate::jarStart()
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{
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LegacyInstance *inst = (LegacyInstance *)m_inst;
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if (!inst->shouldUpdate() || inst->shouldUseCustomBaseJar())
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{
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emitSucceeded();
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return;
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}
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setStatus(tr("Checking for jar updates..."));
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// Make directories
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QDir binDir(inst->binDir());
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if (!binDir.exists() && !binDir.mkpath("."))
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{
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emitFailed("Failed to create bin folder.");
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return;
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}
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// Build a list of URLs that will need to be downloaded.
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setStatus(tr("Downloading new minecraft.jar ..."));
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QString version_id = inst->intendedVersionId();
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auto dljob = new NetJob("Minecraft.jar for version " + version_id);
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auto metacache = ENV.metacache();
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auto entry = metacache->resolveEntry("versions", URLConstants::getJarPath(version_id));
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dljob->addNetAction(CacheDownload::make(QUrl(URLConstants::getLegacyJarUrl(version_id)), entry));
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connect(dljob, SIGNAL(succeeded()), SLOT(jarFinished()));
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connect(dljob, SIGNAL(failed(QString)), SLOT(jarFailed(QString)));
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connect(dljob, SIGNAL(progress(qint64, qint64)), SIGNAL(progress(qint64, qint64)));
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legacyDownloadJob.reset(dljob);
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legacyDownloadJob->start();
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}
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void LegacyUpdate::jarFinished()
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{
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// process the jar
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emitSucceeded();
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}
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void LegacyUpdate::jarFailed(QString reason)
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{
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// bad, bad
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emitFailed(tr("Failed to download the minecraft jar: %1.").arg(reason));
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}
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