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#include "LegacyUpdate.h"
#include "lists/LwjglVersionList.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())
{
emitSucceeded();
return;
}
auto &list = LWJGLVersionList::get();
if(!list.isLoaded())
{
emitFailed("Too soon! Let the LWJGL list load :)");
return;
}
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();
}
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();
emitSucceeded();
}
void LegacyUpdate::lwjglFailed()
{
emitFailed("Bad stuff happened while trying to get the lwjgl libs...");
}
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