pollymc/logic/OneSixUpdate.cpp
Petr Mrázek ffbc5bb62c Offline mode can be used even when online.
Allow the user to pick a player name for offline mode.
Big auth refactor. Now using session objects instead of the accounts themselves.
Sessions only last for one instance start and hold all the auth and player data.
2014-01-27 03:00:49 +01:00

327 lines
9.5 KiB
C++

/* 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 "MultiMC.h"
#include "OneSixUpdate.h"
#include <QtNetwork>
#include <QFile>
#include <QFileInfo>
#include <QTextStream>
#include <QDataStream>
#include "BaseInstance.h"
#include "lists/MinecraftVersionList.h"
#include "OneSixVersion.h"
#include "OneSixLibrary.h"
#include "OneSixInstance.h"
#include "net/ForgeMirrors.h"
#include "net/URLConstants.h"
#include "assets/AssetsUtils.h"
#include "pathutils.h"
#include <JlCompress.h>
OneSixUpdate::OneSixUpdate(BaseInstance *inst, QObject *parent)
: Task(parent), m_inst(inst)
{
}
void OneSixUpdate::executeTask()
{
QString intendedVersion = m_inst->intendedVersionId();
// Make directories
QDir mcDir(m_inst->minecraftRoot());
if (!mcDir.exists() && !mcDir.mkpath("."))
{
emitFailed("Failed to create bin folder.");
return;
}
if (m_inst->shouldUpdate())
{
// Get a pointer to the version object that corresponds to the instance's version.
targetVersion = std::dynamic_pointer_cast<MinecraftVersion>(
MMC->minecraftlist()->findVersion(intendedVersion));
if (targetVersion == nullptr)
{
// don't do anything if it was invalid
emitFailed("The specified Minecraft version is invalid. Choose a different one.");
return;
}
versionFileStart();
}
else
{
jarlibStart();
}
}
void OneSixUpdate::versionFileStart()
{
QLOG_INFO() << m_inst->name() << ": getting version file.";
setStatus(tr("Getting the version files from Mojang..."));
QString urlstr = "http://" + URLConstants::AWS_DOWNLOAD_VERSIONS +
targetVersion->descriptor() + "/" + targetVersion->descriptor() + ".json";
auto job = new NetJob("Version index");
job->addNetAction(ByteArrayDownload::make(QUrl(urlstr)));
specificVersionDownloadJob.reset(job);
connect(specificVersionDownloadJob.get(), SIGNAL(succeeded()), SLOT(versionFileFinished()));
connect(specificVersionDownloadJob.get(), SIGNAL(failed()), SLOT(versionFileFailed()));
connect(specificVersionDownloadJob.get(), SIGNAL(progress(qint64, qint64)),
SIGNAL(progress(qint64, qint64)));
specificVersionDownloadJob->start();
}
void OneSixUpdate::versionFileFinished()
{
NetActionPtr DlJob = specificVersionDownloadJob->first();
OneSixInstance *inst = (OneSixInstance *)m_inst;
QString version_id = targetVersion->descriptor();
QString inst_dir = m_inst->instanceRoot();
// save the version file in $instanceId/version.json
{
QString version1 = PathCombine(inst_dir, "/version.json");
ensureFilePathExists(version1);
// FIXME: detect errors here, download to a temp file, swap
QSaveFile vfile1(version1);
if (!vfile1.open(QIODevice::Truncate | QIODevice::WriteOnly))
{
emitFailed("Can't open " + version1 + " for writing.");
return;
}
auto data = std::dynamic_pointer_cast<ByteArrayDownload>(DlJob)->m_data;
qint64 actual = 0;
if ((actual = vfile1.write(data)) != data.size())
{
emitFailed("Failed to write into " + version1 + ". Written " + actual + " out of " +
data.size() + '.');
return;
}
if (!vfile1.commit())
{
emitFailed("Can't commit changes to " + version1);
return;
}
}
// the version is downloaded safely. update is 'done' at this point
m_inst->setShouldUpdate(false);
// delete any custom version inside the instance (it's no longer relevant, we did an update)
QString custom = PathCombine(inst_dir, "/custom.json");
QFile finfo(custom);
if (finfo.exists())
{
finfo.remove();
}
inst->reloadFullVersion();
jarlibStart();
}
void OneSixUpdate::versionFileFailed()
{
emitFailed("Failed to download the version description. Try again.");
}
void OneSixUpdate::assetIndexStart()
{
setStatus(tr("Updating assets index..."));
OneSixInstance *inst = (OneSixInstance *)m_inst;
std::shared_ptr<OneSixVersion> version = inst->getFullVersion();
QString assetName = version->assets;
QUrl indexUrl = "http://" + URLConstants::AWS_DOWNLOAD_INDEXES + assetName + ".json";
QString localPath = assetName + ".json";
auto job = new NetJob("Asset index for " + inst->name());
auto metacache = MMC->metacache();
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;
std::shared_ptr<OneSixVersion> version = inst->getFullVersion();
QString assetName = version->assets;
QString asset_fname = "assets/indexes/" + assetName + ".json";
if (!AssetsUtils::loadAssetsIndexJson(asset_fname, &index))
{
emitFailed("Failed to read the assets index!");
}
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),
objectFile.filePath());
objectDL->m_total_progress = object.size;
dls.append(objectDL);
}
}
if (dls.size())
{
setStatus(tr("Getting the assets files from Mojang..."));
auto job = new NetJob("Assets for " + inst->name());
for (auto dl : dls)
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)));
jarlibDownloadJob->start();
return;
}
assetsFinished();
}
void OneSixUpdate::assetIndexFailed()
{
emitFailed("Failed to download the assets index!");
}
void OneSixUpdate::assetsFinished()
{
emitSucceeded();
}
void OneSixUpdate::assetsFailed()
{
emitFailed("Failed to download assets!");
}
void OneSixUpdate::jarlibStart()
{
setStatus(tr("Getting the library files from Mojang..."));
QLOG_INFO() << m_inst->name() << ": downloading libraries";
OneSixInstance *inst = (OneSixInstance *)m_inst;
bool successful = inst->reloadFullVersion();
if (!successful)
{
emitFailed("Failed to load the version description file. It might be "
"corrupted, missing or simply too new.");
return;
}
// Build a list of URLs that will need to be downloaded.
std::shared_ptr<OneSixVersion> version = inst->getFullVersion();
// 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("Libraries for instance " + inst->name());
auto metacache = MMC->metacache();
auto entry = metacache->resolveEntry("versions", localPath);
job->addNetAction(CacheDownload::make(QUrl(urlstr), entry));
jarlibDownloadJob.reset(job);
}
auto libs = version->getActiveNativeLibs();
libs.append(version->getActiveNormalLibs());
auto metacache = MMC->metacache();
QList<ForgeXzDownloadPtr> ForgeLibs;
for (auto lib : libs)
{
if (lib->hint() == "local")
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);
}
}
// 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));
}
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)));
jarlibDownloadJob->start();
}
void OneSixUpdate::jarlibFinished()
{
assetIndexStart();
}
void OneSixUpdate::jarlibFailed()
{
QStringList failed = jarlibDownloadJob->getFailedFiles();
QString failed_all = failed.join("\n");
emitFailed("Failed to download the following files:\n" + failed_all +
"\n\nPlease try again.");
}