pollymc/logic/OneSixUpdate.cpp

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/* Copyright 2013-2015 MultiMC Contributors
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*
* 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
*
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* 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 "MultiMC.h"
#include "logic/Env.h"
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#include "OneSixUpdate.h"
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#include <QtNetwork>
#include <QFile>
#include <QFileInfo>
#include <QTextStream>
#include <QDataStream>
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#include <pathutils.h>
#include <JlCompress.h>
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#include "logic/BaseInstance.h"
#include "logic/minecraft/MinecraftVersionList.h"
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#include "logic/minecraft/MinecraftProfile.h"
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#include "logic/minecraft/OneSixLibrary.h"
#include "logic/OneSixInstance.h"
#include "logic/forge/ForgeMirrors.h"
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#include "logic/net/URLConstants.h"
#include "logic/assets/AssetsUtils.h"
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#include "JarUtils.h"
OneSixUpdate::OneSixUpdate(OneSixInstance *inst, QObject *parent) : Task(parent), m_inst(inst)
{
}
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void OneSixUpdate::executeTask()
{
// Make directories
QDir mcDir(m_inst->minecraftRoot());
if (!mcDir.exists() && !mcDir.mkpath("."))
{
emitFailed(tr("Failed to create folder for minecraft binaries."));
return;
}
// Get a pointer to the version object that corresponds to the instance's version.
targetVersion = std::dynamic_pointer_cast<MinecraftVersion>(
MMC->minecraftlist()->findVersion(m_inst->intendedVersionId()));
if (targetVersion == nullptr)
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{
// don't do anything if it was invalid
emitFailed(tr("The specified Minecraft version is invalid. Choose a different one."));
return;
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}
if (m_inst->providesVersionFile() || !targetVersion->needsUpdate())
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{
QLOG_DEBUG() << "Instance either provides a version file or doesn't need an update.";
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jarlibStart();
return;
}
versionUpdateTask = MMC->minecraftlist()->createUpdateTask(m_inst->intendedVersionId());
if (!versionUpdateTask)
{
QLOG_DEBUG() << "Didn't spawn an update task.";
jarlibStart();
return;
}
connect(versionUpdateTask.get(), SIGNAL(succeeded()), SLOT(jarlibStart()));
connect(versionUpdateTask.get(), SIGNAL(failed(QString)), SLOT(versionUpdateFailed(QString)));
connect(versionUpdateTask.get(), SIGNAL(progress(qint64, qint64)),
SIGNAL(progress(qint64, qint64)));
setStatus(tr("Getting the version files from Mojang..."));
versionUpdateTask->start();
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}
void OneSixUpdate::versionUpdateFailed(QString reason)
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{
emitFailed(reason);
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}
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void OneSixUpdate::assetIndexStart()
{
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setStatus(tr("Updating assets index..."));
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OneSixInstance *inst = (OneSixInstance *)m_inst;
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std::shared_ptr<MinecraftProfile> version = inst->getMinecraftProfile();
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QString assetName = version->assets;
QUrl indexUrl = "http://" + URLConstants::AWS_DOWNLOAD_INDEXES + assetName + ".json";
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QString localPath = assetName + ".json";
auto job = new NetJob(tr("Asset index for %1").arg(inst->name()));
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auto metacache = ENV.metacache();
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auto entry = metacache->resolveEntry("asset_indexes", localPath);
job->addNetAction(CacheDownload::make(indexUrl, entry));
jarlibDownloadJob.reset(job);
connect(jarlibDownloadJob.get(), SIGNAL(succeeded()), SLOT(assetIndexFinished()));
connect(jarlibDownloadJob.get(), SIGNAL(failed()), SLOT(assetIndexFailed()));
connect(jarlibDownloadJob.get(), SIGNAL(progress(qint64, qint64)),
SIGNAL(progress(qint64, qint64)));
jarlibDownloadJob->start();
}
void OneSixUpdate::assetIndexFinished()
{
AssetsIndex index;
OneSixInstance *inst = (OneSixInstance *)m_inst;
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std::shared_ptr<MinecraftProfile> version = inst->getMinecraftProfile();
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QString assetName = version->assets;
QString asset_fname = "assets/indexes/" + assetName + ".json";
if (!AssetsUtils::loadAssetsIndexJson(asset_fname, &index))
{
auto metacache = ENV.metacache();
auto entry = metacache->resolveEntry("asset_indexes", assetName + ".json");
metacache->evictEntry(entry);
emitFailed(tr("Failed to read the assets index!"));
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}
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QList<Md5EtagDownloadPtr> dls;
for (auto object : index.objects.values())
{
QString objectName = object.hash.left(2) + "/" + object.hash;
QFileInfo objectFile("assets/objects/" + objectName);
if ((!objectFile.isFile()) || (objectFile.size() != object.size))
{
auto objectDL = MD5EtagDownload::make(
QUrl("http://" + URLConstants::RESOURCE_BASE + objectName),
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objectFile.filePath());
objectDL->m_total_progress = object.size;
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dls.append(objectDL);
}
}
if (dls.size())
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{
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setStatus(tr("Getting the assets files from Mojang..."));
auto job = new NetJob(tr("Assets for %1").arg(inst->name()));
for (auto dl : dls)
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job->addNetAction(dl);
jarlibDownloadJob.reset(job);
connect(jarlibDownloadJob.get(), SIGNAL(succeeded()), SLOT(assetsFinished()));
connect(jarlibDownloadJob.get(), SIGNAL(failed()), SLOT(assetsFailed()));
connect(jarlibDownloadJob.get(), SIGNAL(progress(qint64, qint64)),
SIGNAL(progress(qint64, qint64)));
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jarlibDownloadJob->start();
return;
}
assetsFinished();
}
void OneSixUpdate::assetIndexFailed()
{
emitFailed(tr("Failed to download the assets index!"));
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}
void OneSixUpdate::assetsFinished()
{
emitSucceeded();
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}
void OneSixUpdate::assetsFailed()
{
emitFailed(tr("Failed to download assets!"));
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}
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void OneSixUpdate::jarlibStart()
{
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setStatus(tr("Getting the library files from Mojang..."));
QLOG_INFO() << m_inst->name() << ": downloading libraries";
OneSixInstance *inst = (OneSixInstance *)m_inst;
try
{
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inst->reloadProfile();
}
catch (MMCError &e)
{
emitFailed(e.cause());
return;
}
catch (...)
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{
emitFailed(tr("Failed to load the version description file for reasons unknown."));
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return;
}
// Build a list of URLs that will need to be downloaded.
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std::shared_ptr<MinecraftProfile> version = inst->getMinecraftProfile();
// minecraft.jar for this version
{
QString version_id = version->id;
QString localPath = version_id + "/" + version_id + ".jar";
QString urlstr = "http://" + URLConstants::AWS_DOWNLOAD_VERSIONS + localPath;
auto job = new NetJob(tr("Libraries for instance %1").arg(inst->name()));
auto metacache = ENV.metacache();
auto entry = metacache->resolveEntry("versions", localPath);
job->addNetAction(CacheDownload::make(QUrl(urlstr), entry));
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jarHashOnEntry = entry->md5sum;
jarlibDownloadJob.reset(job);
}
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auto libs = version->getActiveNativeLibs();
libs.append(version->getActiveNormalLibs());
auto metacache = ENV.metacache();
QList<ForgeXzDownloadPtr> ForgeLibs;
QList<std::shared_ptr<OneSixLibrary>> brokenLocalLibs;
for (auto lib : libs)
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{
if (lib->hint() == "local")
{
if (!lib->filesExist(m_inst->librariesPath()))
brokenLocalLibs.append(lib);
continue;
}
QString raw_storage = lib->storagePath();
QString raw_dl = lib->downloadUrl();
auto f = [&](QString storage, QString dl)
{
auto entry = metacache->resolveEntry("libraries", storage);
if (entry->stale)
{
if (lib->hint() == "forge-pack-xz")
{
ForgeLibs.append(ForgeXzDownload::make(storage, entry));
}
else
{
jarlibDownloadJob->addNetAction(CacheDownload::make(dl, entry));
}
}
};
if (raw_storage.contains("${arch}"))
{
QString cooked_storage = raw_storage;
QString cooked_dl = raw_dl;
f(cooked_storage.replace("${arch}", "32"), cooked_dl.replace("${arch}", "32"));
cooked_storage = raw_storage;
cooked_dl = raw_dl;
f(cooked_storage.replace("${arch}", "64"), cooked_dl.replace("${arch}", "64"));
}
else
{
f(raw_storage, raw_dl);
}
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}
if (!brokenLocalLibs.empty())
{
jarlibDownloadJob.reset();
QStringList failed;
for (auto brokenLib : brokenLocalLibs)
{
failed.append(brokenLib->files());
}
QString failed_all = failed.join("\n");
emitFailed(tr("Some libraries marked as 'local' are missing their jar "
"files:\n%1\n\nYou'll have to correct this problem manually. If this is "
"an externally tracked instance, make sure to run it at least once "
"outside of MultiMC.").arg(failed_all));
return;
}
// TODO: think about how to propagate this from the original json file... or IF AT ALL
QString forgeMirrorList = "http://files.minecraftforge.net/mirror-brand.list";
if (!ForgeLibs.empty())
{
jarlibDownloadJob->addNetAction(
ForgeMirrors::make(ForgeLibs, jarlibDownloadJob, forgeMirrorList));
}
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connect(jarlibDownloadJob.get(), SIGNAL(succeeded()), SLOT(jarlibFinished()));
connect(jarlibDownloadJob.get(), SIGNAL(failed()), SLOT(jarlibFailed()));
connect(jarlibDownloadJob.get(), SIGNAL(progress(qint64, qint64)),
SIGNAL(progress(qint64, qint64)));
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jarlibDownloadJob->start();
}
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void OneSixUpdate::jarlibFinished()
{
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OneSixInstance *inst = (OneSixInstance *)m_inst;
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std::shared_ptr<MinecraftProfile> version = inst->getMinecraftProfile();
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// nuke obsolete stripped jar(s) if needed
QString version_id = version->id;
QString strippedPath = version_id + "/" + version_id + "-stripped.jar";
QFile strippedJar(strippedPath);
if(strippedJar.exists())
{
strippedJar.remove();
}
auto finalJarPath = QDir(m_inst->instanceRoot()).absoluteFilePath("temp.jar");
QFile finalJar(finalJarPath);
if(finalJar.exists())
{
if(!finalJar.remove())
{
emitFailed(tr("Couldn't remove stale jar file: %1").arg(finalJarPath));
return;
}
}
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// create temporary modded jar, if needed
auto jarMods = inst->getJarMods();
if(jarMods.size())
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{
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auto sourceJarPath = m_inst->versionsPath().absoluteFilePath(version->id + "/" + version->id + ".jar");
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QString localPath = version_id + "/" + version_id + ".jar";
auto metacache = ENV.metacache();
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auto entry = metacache->resolveEntry("versions", localPath);
QString fullJarPath = entry->getFullPath();
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if(!JarUtils::createModdedJar(sourceJarPath, finalJarPath, jarMods))
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{
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emitFailed(tr("Failed to create the custom Minecraft jar file."));
return;
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}
}
if (version->traits.contains("legacyFML"))
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{
fmllibsStart();
}
else
{
assetIndexStart();
}
}
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void OneSixUpdate::jarlibFailed()
{
QStringList failed = jarlibDownloadJob->getFailedFiles();
QString failed_all = failed.join("\n");
emitFailed(
tr("Failed to download the following files:\n%1\n\nPlease try again.").arg(failed_all));
}
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void OneSixUpdate::fmllibsStart()
{
// Get the mod list
OneSixInstance *inst = (OneSixInstance *)m_inst;
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std::shared_ptr<MinecraftProfile> fullversion = inst->getMinecraftProfile();
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bool forge_present = false;
QString version = inst->intendedVersionId();
auto &fmlLibsMapping = g_VersionFilterData.fmlLibsMapping;
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if (!fmlLibsMapping.contains(version))
{
assetIndexStart();
return;
}
auto &libList = fmlLibsMapping[version];
// determine if we need some libs for FML or forge
setStatus(tr("Checking for FML libraries..."));
forge_present = (fullversion->versionPatch("net.minecraftforge") != nullptr);
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// we don't...
if (!forge_present)
{
assetIndexStart();
return;
}
// now check the lib folder inside the instance for files.
for (auto &lib : libList)
{
QFileInfo libInfo(PathCombine(inst->libDir(), lib.filename));
if (libInfo.exists())
continue;
fmlLibsToProcess.append(lib);
}
// if everything is in place, there's nothing to do here...
if (fmlLibsToProcess.isEmpty())
{
assetIndexStart();
return;
}
// download missing libs to our place
setStatus(tr("Dowloading FML libraries..."));
auto dljob = new NetJob("FML libraries");
auto metacache = ENV.metacache();
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for (auto &lib : fmlLibsToProcess)
{
auto entry = metacache->resolveEntry("fmllibs", lib.filename);
QString urlString = lib.ours ? URLConstants::FMLLIBS_OUR_BASE_URL + lib.filename
: URLConstants::FMLLIBS_FORGE_BASE_URL + lib.filename;
dljob->addNetAction(CacheDownload::make(QUrl(urlString), entry));
}
connect(dljob, SIGNAL(succeeded()), SLOT(fmllibsFinished()));
connect(dljob, SIGNAL(failed()), SLOT(fmllibsFailed()));
connect(dljob, SIGNAL(progress(qint64, qint64)), SIGNAL(progress(qint64, qint64)));
legacyDownloadJob.reset(dljob);
legacyDownloadJob->start();
}
void OneSixUpdate::fmllibsFinished()
{
legacyDownloadJob.reset();
if (!fmlLibsToProcess.isEmpty())
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{
setStatus(tr("Copying FML libraries into the instance..."));
OneSixInstance *inst = (OneSixInstance *)m_inst;
auto metacache = ENV.metacache();
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int index = 0;
for (auto &lib : fmlLibsToProcess)
{
progress(index, fmlLibsToProcess.size());
auto entry = metacache->resolveEntry("fmllibs", lib.filename);
auto path = PathCombine(inst->libDir(), lib.filename);
if (!ensureFilePathExists(path))
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{
emitFailed(tr("Failed creating FML library folder inside the instance."));
return;
}
if (!QFile::copy(entry->getFullPath(), PathCombine(inst->libDir(), lib.filename)))
{
emitFailed(tr("Failed copying Forge/FML library: %1.").arg(lib.filename));
return;
}
index++;
}
progress(index, fmlLibsToProcess.size());
}
assetIndexStart();
}
void OneSixUpdate::fmllibsFailed()
{
emitFailed("Game update failed: it was impossible to fetch the required FML libraries.");
return;
}