From 287ad92152c530b400a5405a4672a41d92e4d368 Mon Sep 17 00:00:00 2001
From: Nils Schwabe
Date: Mon, 28 Apr 2014 18:18:59 +0200
Subject: Add ftp users and images in processing list are remembered

---
 .../openslx/imagemaster/ftp/MasterFtpServer.java   | 43 +++++++---------------
 1 file changed, 13 insertions(+), 30 deletions(-)

(limited to 'src/main/java/org/openslx/imagemaster/ftp/MasterFtpServer.java')

diff --git a/src/main/java/org/openslx/imagemaster/ftp/MasterFtpServer.java b/src/main/java/org/openslx/imagemaster/ftp/MasterFtpServer.java
index 19671e3..e3514f6 100644
--- a/src/main/java/org/openslx/imagemaster/ftp/MasterFtpServer.java
+++ b/src/main/java/org/openslx/imagemaster/ftp/MasterFtpServer.java
@@ -1,8 +1,6 @@
 package org.openslx.imagemaster.ftp;
 
 import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Iterator;
@@ -34,10 +32,8 @@ public class MasterFtpServer implements Runnable
 	private FtpServer server;
 	private UserManager userManager;
 	private Listener listener;
-	// key: serverSessionId, value: FtpCredentials
-	public final HashMap<String, FtpCredentials> users = new HashMap<>();
 	// key: ftpUsername, value: createTime
-	public final HashMap<String, Long> timeouts = new HashMap<>();
+	public final HashMap<String, Long> users = new HashMap<>();
 	private boolean ini = false;
 
 	public void init( int port )
@@ -66,15 +62,6 @@ public class MasterFtpServer implements Runnable
 		// create user manager
 		PropertiesUserManagerFactory userManagerFactory = new PropertiesUserManagerFactory();
 		File userFile = new File( "src/main/properties/ftp.properties" );
-   		// clear user file to avoid dead users
-   		PrintWriter writer = null;
-			try {
-				writer = new PrintWriter(userFile);
-			} catch ( FileNotFoundException e ) {
-			} finally {
-	   		writer.print("");
-	   		writer.close();
-			}
 		userManagerFactory.setFile( userFile );
 		userManagerFactory.setPasswordEncryptor( new SaltedPasswordEncryptor() );
 		userManager = userManagerFactory.createUserManager();
@@ -116,8 +103,9 @@ public class MasterFtpServer implements Runnable
 		try {
 			userManager.save( user );
 			ftpCredentials = new FtpCredentials( generatedUser, generatedPass );
-			users.put( serverSessionId, ftpCredentials );
-			timeouts.put( ftpCredentials.username, System.currentTimeMillis());
+			synchronized ( users ) {
+				users.put( ftpCredentials.username, System.currentTimeMillis());
+			}
 		} catch ( FtpException e ) {
 		}
 
@@ -127,43 +115,38 @@ public class MasterFtpServer implements Runnable
 		return ftpCredentials;
 	}
 
-	public boolean removeUser( final String serverSessionId )
+	public boolean removeUser( final String username )
 	{
-		if ( !users.containsKey( serverSessionId ) )
+		if ( !users.containsKey( username ) )
 			return false;
 
 		try {
-			log.info( "Closing session" );
 			// first find active session and close it
 			Iterator<FtpIoSession> iter = listener.getActiveSessions().iterator();
 			while (iter.hasNext()) {
 				FtpIoSession session = (FtpIoSession) iter.next();
 				if (session.getUser() == null) continue;
-				if (session.getUser().getName() == users.get( serverSessionId ).username) {
+				if (session.getUser().getName() == username) {
 					session.close();
 				}
 			}
-			log.info( "Deleting user" );
 			// afterwards delete user
-			userManager.delete( users.get( serverSessionId ).username );
-			log.info( "removing user from timeout list" );
-			// remove user from both maps
-			timeouts.remove( users.remove( serverSessionId ).username );
+			userManager.delete( username );
+			// remove user from map (cache)
+			synchronized ( users ) {
+				users.remove( username );
+			}
 			return true;
 		} catch ( FtpException e ) {
 			return false;
 		}
 	}
 
-	public FtpCredentials getCredentialsFromSessionId( String serverSessionId )
-	{
-		return users.get( serverSessionId );
-	}
-
 	@Override
 	public void run()
 	{
 		try {
+			//if (!ini) throw new Exception("FTP server needs to be initalized.");
 			log.info( "Starting FTP Sever" );
 			server.start();
 		} catch ( FtpException e1 ) {
-- 
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