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package org.openslx.imagemaster.ftp;
import java.io.File;
import java.util.Date;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Timer;
import java.util.TimerTask;
import org.apache.log4j.Logger;
import org.openslx.imagemaster.App;
import org.openslx.imagemaster.Globals;
import org.openslx.imagemaster.db.DbImage;
public class FtpCredentialsScheduler extends TimerTask
{
private static Logger log = Logger.getLogger( FtpCredentialsScheduler.class );
public static final long timeout = Long.valueOf( Globals.getPropertyInt( Globals.PropInt.FTPTIMEOUT ) ) * 60L * 1000L; // timeout in ms
@Override
public void run()
{
synchronized ( App.ftpServer.users ) {
List<DbImage> uploadingImages = DbImage.getUploadingImages(); // get the uploading images
// List to save the users that need to be deleted after iterating the map
List<String> usersToDelete = new LinkedList<>();
// check all folders
for ( Map.Entry<String, MasterFtpServer.Infos> entry : App.ftpServer.users.entrySet() ) {
if ( entry == null )
continue;
String username = entry.getKey();
File dir = new File( Globals.getPropertyString( Globals.PropString.FTPBASEDIR ) + "/" + username );
if ( !dir.exists() )
continue;
File[] list = dir.listFiles();
if ( list.length == 1 ) {
// check file size first
DbImage currentImage = null;
for (DbImage img : uploadingImages) { // find the image that was uploaded by this user
if (img.ftpUser == username) currentImage = img;
}
if (currentImage != null && list[0].getTotalSpace() == currentImage.fileSize) {
ImageProcessor.processImageAfterUpload( username, list[0].getName() );
} else if ( ( new Date().getTime() - list[0].lastModified() ) >= timeout ) { // check timeout
log.info( username + "'s files are too old. Deleting him and his folder." );
usersToDelete.add( username );
}
} else if ( list.length > 1 ) {
log.info( "User '" + username + "' uploaded too many files. Deleting his account and his folder." );
usersToDelete.add( username );
} else {
// check the creation time of the user
if ( ( System.currentTimeMillis() - App.ftpServer.users.get( username ).getCreateTime() ) >= timeout ) {
log.info( username + " did nothing for too long. Deleting him and his folder" );
usersToDelete.add( username );
}
}
}
// now delete users
for (String u : usersToDelete) {
App.ftpServer.removeUser( u );
ImageProcessor.removeImageFromProcessList( u );
}
}
}
public static void startScheduling()
{
Timer timer = new Timer( "FtpScheduler" );
// start timer now and fire every 60 seconds
timer.schedule( new FtpCredentialsScheduler(), 0, 60000 );
}
}
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