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