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package org.openslx.imagemaster.server;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
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.Ftplet;
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;
import org.apache.log4j.Logger;
import org.openslx.imagemaster.Globals;
import org.openslx.imagemaster.thrift.iface.FtpCredentials;
import org.openslx.imagemaster.util.RandomString;
public class MasterFtpServer implements Runnable {
private static Logger log = Logger.getLogger( MasterFtpServer.class );
private FtpServer server;
private UserManager userManager;
private HashMap<String, FtpCredentials> users = new HashMap<>();
public MasterFtpServer(int port, String adminUsername, String adminPassword, 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 user manager
PropertiesUserManagerFactory userManagerFactory = new PropertiesUserManagerFactory();
userManagerFactory.setFile(new File("src/main/properties/ftp.properties"));
userManagerFactory.setPasswordEncryptor(new SaltedPasswordEncryptor());
userManager = userManagerFactory.createUserManager();
// create new admin user
//addUser(adminUsername, adminPassword, ftproot, true);
serverFactory.setUserManager(userManager);
// add the Ftplet
HashMap<String, Ftplet> map = new HashMap<String, Ftplet>();
map.put("Ftplet1", new MasterFtplet());
serverFactory.setFtplets(map);
// start the server
server = serverFactory.createServer();
}
public FtpCredentials addUser(final String serverSessionId) {
// TODO: enable SSL
FtpCredentials ftpCredentials = null;
String generatedUser = RandomString.generate(10, false);
String generatedPass = RandomString.generate(16, true);
String dir = Globals.properties.getProperty(Globals.ftpBaseDir) + "/"
+ generatedUser + "/";
if (!new File(dir).mkdir()) {
return ftpCredentials;
}
BaseUser user = new BaseUser();
user.setName(generatedUser);
user.setPassword(generatedPass);
user.setHomeDirectory(dir);
List<Authority> authorities = new ArrayList<Authority>();
authorities.add(new WritePermission());
user.setAuthorities(authorities);
try {
userManager.save(user);
ftpCredentials = new FtpCredentials(generatedUser, generatedPass);
users.put(serverSessionId, ftpCredentials);
} catch (FtpException e) {
}
log.info("Generated user/pass: " + generatedUser + "\t"
+ generatedPass + "\n with home dir: " + dir);
return ftpCredentials;
}
public boolean removeUser(final String serverSessionId) {
if (!users.containsKey(serverSessionId)) return false;
try {
userManager.delete(users.get(serverSessionId).username);
users.remove(serverSessionId);
return true;
} catch (FtpException e) {
return false;
}
}
public FtpCredentials getCredentialsFromSessionId(String serverSessionId) {
return users.get(serverSessionId);
}
@Override
public void run() {
try {
log.info( "Starting FTP Sever" );
server.start();
} catch (FtpException e1) {
e1.printStackTrace();
}
}
}
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