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#include <QString>
#include <QDebug>
#include <QtXml/QtXml>
#include "dlqueue.h"
inline QDomElement getDomElementByTagName(QDomElement parent, QString tagname)
{
QDomNodeList elementList = parent.elementsByTagName(tagname);
if (elementList.count())
return elementList.at(0).toElement();
else
return QDomElement();
}
class ThreadedDeleter : public QThread
{
Q_OBJECT
public:
void run()
{
QDirIterator iter(m_base, QDirIterator::Subdirectories);
QStringList nuke_list;
int base_length = m_base.length();
while (iter.hasNext())
{
QString filename = iter.next();
QFileInfo current(filename);
// we keep the dirs... whatever
if(current.isDir())
continue;
QString trimmedf = filename;
trimmedf.remove(0, base_length + 1);
if(m_whitelist.contains(trimmedf))
{
//qDebug() << trimmedf << " gets to live";
}
else
{
// DO NOT TOLERATE JUNK
//qDebug() << trimmedf << " dies";
QFile f (filename);
f.remove();
}
}
};
QString m_base;
QStringList m_whitelist;
};
class NukeAndPaveJob: public Job
{
Q_OBJECT
public:
explicit NukeAndPaveJob(QString base, QStringList whitelist)
:Job()
{
QDir dir(base);
deleterThread.m_base = dir.absolutePath();
deleterThread.m_whitelist = whitelist;
};
public slots:
virtual void start()
{
connect(&deleterThread, SIGNAL(finished()), SLOT(threadFinished()));
deleterThread.start();
};
void threadFinished()
{
emit finish();
}
private:
ThreadedDeleter deleterThread;
};
class DlMachine : public QObject
{
Q_OBJECT
public slots:
void filesFinished()
{
qApp->quit();
}
void fetchFinished()
{
QString prefix("http://s3.amazonaws.com/Minecraft.Resources/");
QString fprefix("assets/");
QStringList nuke_whitelist;
JobPtr firstJob = index_job->getFirstJob();
auto DlJob = firstJob.dynamicCast<DownloadJob>();
QByteArray ba = DlJob->m_data;
QString xmlErrorMsg;
QDomDocument doc;
if (!doc.setContent(ba, false, &xmlErrorMsg))
{
qDebug() << "Failed to process s3.amazonaws.com/Minecraft.Resources. XML error:" <<
xmlErrorMsg << ba;
}
//QRegExp etag_match(".*([a-f0-9]{32}).*");
QDomNodeList contents = doc.elementsByTagName("Contents");
JobList *job = new JobList();
connect(job, SIGNAL(finished()), SLOT(filesFinished()));
for (int i = 0; i < contents.length(); i++)
{
QDomElement element = contents.at(i).toElement();
if (element.isNull())
continue;
QDomElement keyElement = getDomElementByTagName(element, "Key");
QDomElement lastmodElement = getDomElementByTagName(element, "LastModified");
QDomElement etagElement = getDomElementByTagName(element, "ETag");
QDomElement sizeElement = getDomElementByTagName(element, "Size");
if (keyElement.isNull() || lastmodElement.isNull() || etagElement.isNull() || sizeElement.isNull())
continue;
QString keyStr = keyElement.text();
QString lastModStr = lastmodElement.text();
QString etagStr = etagElement.text();
QString sizeStr = sizeElement.text();
//Filter folder keys
if (sizeStr == "0")
continue;
QString trimmedEtag = etagStr.remove('"');
job->add(DownloadJob::create(QUrl(prefix + keyStr),fprefix + keyStr, trimmedEtag));
nuke_whitelist.append(keyStr);
}
job->add(JobPtr(new NukeAndPaveJob(fprefix, nuke_whitelist)));
files_job.reset(job);
dl.enqueue(files_job);
}
void fetchStarted()
{
qDebug() << "Started downloading!";
}
public:
void start()
{
JobList *job = new JobList();
job->add(DownloadJob::create(QUrl("http://s3.amazonaws.com/Minecraft.Resources/")));
connect(job, SIGNAL(finished()), SLOT(fetchFinished()));
connect(job, SIGNAL(started()), SLOT(fetchStarted()));
index_job.reset(job);
dl.enqueue(index_job);
}
JobListQueue dl;
JobListPtr index_job;
JobListPtr files_job;
};
int main(int argc, char *argv[])
{
QCoreApplication app(argc, argv);
DlMachine dl;
dl.start();
return app.exec();
}
#include "asset_test.moc"
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