MultiMC5/logic/LegacyUpdate.cpp
Petr Mrázek 253067c782 Move all the things (YES. Move them.)
Also, implemented some basic modlist logic, to be wired up.
2013-08-17 13:40:51 +02:00

381 lines
10 KiB
C++

#include "LegacyUpdate.h"
#include "lists/LwjglVersionList.h"
#include "lists/MinecraftVersionList.h"
#include "BaseInstance.h"
#include "LegacyInstance.h"
#include "net/NetWorker.h"
#include <pathutils.h>
#include <quazip.h>
#include <quazipfile.h>
LegacyUpdate::LegacyUpdate ( BaseInstance* inst, QObject* parent ) : BaseUpdate ( inst, parent ) {}
void LegacyUpdate::executeTask()
{
lwjglStart();
}
void LegacyUpdate::lwjglStart()
{
LegacyInstance * inst = (LegacyInstance *) m_inst;
lwjglVersion = inst->lwjglVersion();
lwjglTargetPath = PathCombine("lwjgl", lwjglVersion );
lwjglNativesPath = PathCombine( lwjglTargetPath, "natives/");
// if the 'done' file exists, we don't have to download this again
QFileInfo doneFile(PathCombine(lwjglTargetPath, "done"));
if(doneFile.exists())
{
jarStart();
return;
}
auto &list = LWJGLVersionList::get();
if(!list.isLoaded())
{
emitFailed("Too soon! Let the LWJGL list load :)");
return;
}
setStatus("Downloading new LWJGL.");
auto version = list.getVersion(lwjglVersion);
if(!version)
{
emitFailed("Game update failed: the selected LWJGL version is invalid.");
return;
}
QString url = version->url();
QUrl realUrl(url);
QString hostname = realUrl.host();
auto &worker = NetWorker::spawn();
QNetworkRequest req(realUrl);
req.setRawHeader("Host", hostname.toLatin1());
req.setHeader(QNetworkRequest::UserAgentHeader, "Wget/1.14 (linux-gnu)");
QNetworkReply * rep = worker.get ( req );
m_reply = QSharedPointer<QNetworkReply> (rep, &QObject::deleteLater);
connect(rep, SIGNAL(downloadProgress(qint64,qint64)), SLOT(updateDownloadProgress(qint64,qint64)));
connect(&worker, SIGNAL(finished(QNetworkReply*)), SLOT(lwjglFinished(QNetworkReply*)));
//connect(rep, SIGNAL(error(QNetworkReply::NetworkError)), SLOT(downloadError(QNetworkReply::NetworkError)));
}
void LegacyUpdate::lwjglFinished(QNetworkReply* reply)
{
if(m_reply != reply)
{
return;
}
if(reply->error() != QNetworkReply::NoError)
{
emitFailed( "Failed to download: "+
reply->errorString()+
"\nSometimes you have to wait a bit if you download many LWJGL versions in a row. YMMV");
return;
}
auto &worker = NetWorker::spawn();
//Here i check if there is a cookie for me in the reply and extract it
QList<QNetworkCookie> cookies = qvariant_cast<QList<QNetworkCookie>>(reply->header(QNetworkRequest::SetCookieHeader));
if(cookies.count() != 0)
{
//you must tell which cookie goes with which url
worker.cookieJar()->setCookiesFromUrl(cookies, QUrl("sourceforge.net"));
}
//here you can check for the 302 or whatever other header i need
QVariant newLoc = reply->header(QNetworkRequest::LocationHeader);
if(newLoc.isValid())
{
auto &worker = NetWorker::spawn();
QString redirectedTo = reply->header(QNetworkRequest::LocationHeader).toString();
QUrl realUrl(redirectedTo);
QString hostname = realUrl.host();
QNetworkRequest req(redirectedTo);
req.setRawHeader("Host", hostname.toLatin1());
req.setHeader(QNetworkRequest::UserAgentHeader, "Wget/1.14 (linux-gnu)");
QNetworkReply * rep = worker.get(req);
connect(rep, SIGNAL(downloadProgress(qint64,qint64)), SLOT(updateDownloadProgress(qint64,qint64)));
m_reply = QSharedPointer<QNetworkReply> (rep, &QObject::deleteLater);
return;
}
QFile saveMe("lwjgl.zip");
saveMe.open(QIODevice::WriteOnly);
saveMe.write(m_reply->readAll());
saveMe.close();
setStatus("Installing new LWJGL...");
extractLwjgl();
jarStart();
}
void LegacyUpdate::extractLwjgl()
{
// make sure the directories are there
bool success = ensurePathExists(lwjglNativesPath);
if(!success)
{
emitFailed("Failed to extract the lwjgl libs - error when creating required folders.");
return;
}
QuaZip zip("lwjgl.zip");
if(!zip.open(QuaZip::mdUnzip))
{
emitFailed("Failed to extract the lwjgl libs - not a valid archive.");
return;
}
// and now we are going to access files inside it
QuaZipFile file(&zip);
const QString jarNames[] = { "jinput.jar", "lwjgl_util.jar", "lwjgl.jar" };
for(bool more=zip.goToFirstFile(); more; more=zip.goToNextFile())
{
if(!file.open(QIODevice::ReadOnly))
{
zip.close();
emitFailed("Failed to extract the lwjgl libs - error while reading archive.");
return;
}
QuaZipFileInfo info;
QString name = file.getActualFileName();
if(name.endsWith('/'))
{
file.close();
continue;
}
QString destFileName;
// Look for the jars
for (int i = 0; i < 3; i++)
{
if (name.endsWith(jarNames[i]))
{
destFileName = PathCombine(lwjglTargetPath, jarNames[i]);
}
}
// Not found? look for the natives
if(destFileName.isEmpty())
{
#ifdef Q_OS_WIN32
QString nativesDir = "windows";
#elif Q_OS_MAC
QString nativesDir = "macosx";
#else
QString nativesDir = "linux";
#endif
if (name.contains(nativesDir))
{
int lastSlash = name.lastIndexOf('/');
int lastBackSlash = name.lastIndexOf('/');
if(lastSlash != -1)
name = name.mid(lastSlash+1);
else if(lastBackSlash != -1)
name = name.mid(lastBackSlash+1);
destFileName = PathCombine(lwjglNativesPath, name);
}
}
// Now if destFileName is still empty, go to the next file.
if (!destFileName.isEmpty())
{
setStatus("Installing new LWJGL - Extracting " + name);
QFile output(destFileName);
output.open(QIODevice::WriteOnly);
output.write(file.readAll()); // FIXME: wste of memory!?
output.close();
}
file.close(); // do not forget to close!
}
zip.close();
m_reply.clear();
QFile doneFile(PathCombine(lwjglTargetPath, "done"));
doneFile.open(QIODevice::WriteOnly);
doneFile.write("done.");
doneFile.close();
}
void LegacyUpdate::lwjglFailed()
{
emitFailed("Bad stuff happened while trying to get the lwjgl libs...");
}
void LegacyUpdate::jarStart()
{
setStatus("Checking ...");
LegacyInstance * inst = (LegacyInstance *) m_inst;
QString current_version_id = inst->currentVersionId();
QString intended_version_id = inst->intendedVersionId();
bool shouldUpdate = inst->shouldUpdate();
if(!shouldUpdate)
{
emitSucceeded();
return;
}
// nuke the backup file, we are replacing the base jar anyway
QFile mc_backup(inst->mcBackup());
if (mc_backup.exists())
{
mc_backup.remove();
}
// Get a pointer to the version object that corresponds to the instance's version.
auto targetVersion = MinecraftVersionList::getMainList().findVersion(intended_version_id);
if(!targetVersion)
{
emitFailed("Not a valid version:" + intended_version_id);
return;
}
// Make directories
QDir binDir(inst->binDir());
if (!binDir.exists() && !binDir.mkpath("."))
{
emitFailed("Failed to create bin folder.");
return;
}
// Build a list of URLs that will need to be downloaded.
setStatus("Downloading new minecraft.jar");
// This will be either 'minecraft' or the version number, depending on where
// we're downloading from.
QString jarFilename = "minecraft";
QString download_path = PathCombine(inst->minecraftRoot(), "bin/minecraft.jar");
QString urlstr("http://s3.amazonaws.com/Minecraft.Download/versions/");
urlstr += targetVersion->descriptor + "/" + targetVersion->descriptor + ".jar";
auto dljob = DownloadJob::create(QUrl(urlstr), download_path);
legacyDownloadJob.reset(new JobList());
legacyDownloadJob->add(dljob);
connect(legacyDownloadJob.data(), SIGNAL(finished()), SLOT(jarFinished()));
connect(legacyDownloadJob.data(), SIGNAL(failed()), SLOT(jarFailed()));
connect(legacyDownloadJob.data(), SIGNAL(progress(qint64,qint64)), SLOT(updateDownloadProgress(qint64,qint64)));
download_queue.enqueue(legacyDownloadJob);
}
void LegacyUpdate::jarFinished()
{
// process the jar
emitSucceeded();
}
void LegacyUpdate::jarFailed()
{
// bad, bad
emitFailed("Failed to download the minecraft jar. Try again later.");
}
void LegacyUpdate::ModTheJar()
{
/*
LegacyInstance * inst = (LegacyInstance *) m_inst;
// Get the mod list
auto modList = inst->getJarModList();
QFileInfo mcBin(inst->binDir());
QFileInfo mcJar(inst->mcJar());
QFileInfo mcBackup(inst->mcBackup());
// Nothing to do if there are no jar mods to install, no backup and just the mc jar
if(mcJar.isFile() && !mcBackup.exists() && modList->empty())
{
inst->setShouldRebuild(false);
emitSucceeded();
return;
}
setStatus("Installing mods - backing up minecraft.jar...");
if (!mcBackup.exists() && !QFile::copy(mcJar.absoluteFilePath(), mcBackup.absoluteFilePath()) )
{
emitFailed("Failed to back up minecraft.jar");
return;
}
if (mcJar.isFile() && !QFile::remove(mcJar.absoluteFilePath()))
{
emitFailed("Failed to delete old minecraft.jar");
return;
}
setStatus("Installing mods - Opening minecraft.jar");
wxFFileOutputStream jarStream(mcJar.absoluteFilePath());
wxZipOutputStream zipOut(jarStream);
// Files already added to the jar.
// These files will be skipped.
QSet<QString> addedFiles;
// Modify the jar
setStatus("Installing mods - Adding mod files...");
for (ModList::const_reverse_iterator iter = modList->rbegin(); iter != modList->rend(); iter++)
{
wxFileName modFileName = iter->GetFileName();
setStatus("Installing mods - Adding " + modFileName.GetFullName());
if (iter->GetModType() == Mod::ModType::MOD_ZIPFILE)
{
wxFFileInputStream modStream(modFileName.GetFullPath());
wxZipInputStream zipStream(modStream);
std::unique_ptr<wxZipEntry> entry;
while (entry.reset(zipStream.GetNextEntry()), entry.get() != NULL)
{
if (entry->IsDir())
continue;
wxString name = entry->GetName();
if (addedFiles.count(name) == 0)
{
if (!zipOut.CopyEntry(entry.release(), zipStream))
break;
addedFiles.insert(name);
}
}
}
else
{
wxFileName destFileName = modFileName;
destFileName.MakeRelativeTo(m_inst->GetInstModsDir().GetFullPath());
wxString destFile = destFileName.GetFullPath();
if (addedFiles.count(destFile) == 0)
{
wxFFileInputStream input(modFileName.GetFullPath());
zipOut.PutNextEntry(destFile);
zipOut.Write(input);
addedFiles.insert(destFile);
}
}
}
{
wxFFileInputStream inStream(mcBackup.GetFullPath());
wxZipInputStream zipIn(inStream);
std::auto_ptr<wxZipEntry> entry;
while (entry.reset(zipIn.GetNextEntry()), entry.get() != NULL)
{
wxString name = entry->GetName();
if (!name.Matches("META-INF*") &&
addedFiles.count(name) == 0)
{
if (!zipOut.CopyEntry(entry.release(), zipIn))
break;
addedFiles.insert(name);
}
}
}
// Recompress the jar
TaskStep(); // STEP 3
SetStatus(_("Installing mods - Recompressing jar..."));
inst->SetNeedsRebuild(false);
inst->UpdateVersion(true);
return (ExitCode)1;
*/
}