src/main/java/org/openslx/imagemaster/server/MasterFtpServer.java


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package org.openslx.imagemaster.server;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import org.apache.ftpserver.FtpServer;
import org.apache.ftpserver.FtpServerFactory;
import org.apache.ftpserver.ftplet.Authority;
import org.apache.ftpserver.ftplet.FtpException;
import org.apache.ftpserver.ftplet.UserManager;
import org.apache.ftpserver.listener.ListenerFactory;
import org.apache.ftpserver.usermanager.PropertiesUserManagerFactory;
import org.apache.ftpserver.usermanager.SaltedPasswordEncryptor;
import org.apache.ftpserver.usermanager.impl.BaseUser;
import org.apache.ftpserver.usermanager.impl.WritePermission;

public class MasterFtpServer implements Runnable {
	private FtpServer server;
	
	public MasterFtpServer(int port, String username, String password, String ftproot) {
		FtpServerFactory serverFactory = new FtpServerFactory();
		ListenerFactory factory = new ListenerFactory();
		// set the port of the listener
		factory.setPort(port);
		
		// replace the default listener
		serverFactory.addListener("default", factory.createListener());
		
		// create new user
		serverFactory.setUserManager(addUser(username, password, ftproot));
		
		// start the server
		server = serverFactory.createServer(); 
	}

	private UserManager addUser(final String username, final String password, final String ftproot) {
	    PropertiesUserManagerFactory userManagerFactory = new PropertiesUserManagerFactory();
	    userManagerFactory.setFile(new File("config/ftp.properties"));
	    userManagerFactory.setPasswordEncryptor(new SaltedPasswordEncryptor());
	    UserManager um = userManagerFactory.createUserManager();

	    BaseUser user = new BaseUser();
	    user.setName(username);
	    user.setPassword(password);
	    user.setHomeDirectory(ftproot);

	    List<Authority> authorities = new ArrayList<Authority>();
	    authorities.add(new WritePermission());        
	    user.setAuthorities(authorities);

	    try {
	        um.save(user);
	    } catch (FtpException e) {
	        e.printStackTrace();
	    }
	    
	    return um;
	}

	@Override
	public void run() {
		try {
			server.start();
		} catch (FtpException e1) {
			e1.printStackTrace();
		}
	}
}