From 2a8c4f613f397619c563fbb74c04e39074d6e98e Mon Sep 17 00:00:00 2001
From: Ugnich Anton
Date: Wed, 14 Aug 2013 09:21:47 +0700
Subject: RFC 6455

---
 src/com/juick/jabber/ws/Main.java             |  10 +-
 src/com/juick/jabber/ws/SocketSubscribed.java |  15 +-
 src/com/juick/jabber/ws/WSConnections.java    |   4 +-
 src/com/juick/jabber/ws/WSData.java           | 337 +++++++++++++++-----------
 src/com/juick/jabber/ws/WSKeepAlive.java      | 106 ++++++++
 src/com/juick/jabber/ws/XMPPConnection.java   | 179 +++++---------
 6 files changed, 379 insertions(+), 272 deletions(-)

(limited to 'src/com/juick/jabber')

diff --git a/src/com/juick/jabber/ws/Main.java b/src/com/juick/jabber/ws/Main.java
index 7036b0d4..a7aea543 100644
--- a/src/com/juick/jabber/ws/Main.java
+++ b/src/com/juick/jabber/ws/Main.java
@@ -32,9 +32,8 @@ public class Main {
 
     Connection sql;
     XMPPConnection xmpp;
-    public final static ArrayList<SocketSubscribed> sockReplies = new ArrayList<SocketSubscribed>();
-    public final static ArrayList<SocketSubscribed> sockMessages = new ArrayList<SocketSubscribed>();
-    public final static ArrayList<SocketSubscribed> sockAll = new ArrayList<SocketSubscribed>();
+    public static String STATSFILE = null;
+    public final static ArrayList<SocketSubscribed> clients = new ArrayList<SocketSubscribed>();
 
     public static void main(String[] args) {
         new Main().start();
@@ -45,11 +44,14 @@ public class Main {
             Properties conf = new Properties();
             conf.load(new FileInputStream("/etc/juick/ws.conf"));
 
+            STATSFILE = conf.getProperty("statsfile");
+
             setupSql(conf.getProperty("mysql_username", ""), conf.getProperty("mysql_password", ""));
             xmpp = new XMPPConnection(sql, conf.getProperty("xmpp_password", ""));
             new Thread(xmpp).start();
+
+            //new Thread(new WSConnections()).start();
             new Thread(new WSData(sql)).start();
-            new Thread(new WSConnections()).start();
             new Thread(new WSKeepAlive(sql)).start();
         } catch (Exception e) {
             System.err.println(e);
diff --git a/src/com/juick/jabber/ws/SocketSubscribed.java b/src/com/juick/jabber/ws/SocketSubscribed.java
index 29baf0b8..f865ce6a 100644
--- a/src/com/juick/jabber/ws/SocketSubscribed.java
+++ b/src/com/juick/jabber/ws/SocketSubscribed.java
@@ -9,14 +9,19 @@ import java.nio.channels.SocketChannel;
 public class SocketSubscribed {
 
     public SocketChannel sock = null;
+    public String clientName = null;
+    public int VUID = 0;
     public int UID = 0;
     public int MID = 0;
-    public long tsConnected = 0;
-    public long tsLastData = 0;
+    public boolean allMessages = false;
+    public boolean allReplies = false;
+    public long tsConnected;
+    public long tsLastData;
 
-    public SocketSubscribed(SocketChannel sock, int UID, int MID) {
+    public SocketSubscribed(SocketChannel sock, String clientName, int VUID) {
         this.sock = sock;
-        this.UID = UID;
-        this.MID = MID;
+        this.clientName = clientName;
+        this.VUID = VUID;
+        tsConnected = tsLastData = System.currentTimeMillis();
     }
 }
diff --git a/src/com/juick/jabber/ws/WSConnections.java b/src/com/juick/jabber/ws/WSConnections.java
index 020442f7..15fbe4e8 100644
--- a/src/com/juick/jabber/ws/WSConnections.java
+++ b/src/com/juick/jabber/ws/WSConnections.java
@@ -32,9 +32,9 @@ public class WSConnections implements Runnable {
                     it.remove();
                     ServerSocketChannel ssChannel = (ServerSocketChannel) selKey.channel();
                     SocketChannel sChannel = ssChannel.accept();
-                    System.out.println(sChannel.socket().getRemoteSocketAddress().toString() + " ACCEPTED");
                     sChannel.configureBlocking(false);
-                    sChannel.register(WSData.sel, SelectionKey.OP_READ);
+                    sChannel.register(sel, SelectionKey.OP_READ);
+                    System.out.println(sChannel.socket().getRemoteSocketAddress().toString() + " ACCEPTED");
                 }
             }
         } catch (Exception e) {
diff --git a/src/com/juick/jabber/ws/WSData.java b/src/com/juick/jabber/ws/WSData.java
index 97193510..d77257e6 100644
--- a/src/com/juick/jabber/ws/WSData.java
+++ b/src/com/juick/jabber/ws/WSData.java
@@ -1,14 +1,19 @@
 package com.juick.jabber.ws;
 
+import com.juick.server.MessagesQueries;
+import com.juick.server.UserQueries;
+import com.juick.xmpp.utils.Base64;
 import java.io.IOException;
-import java.math.BigInteger;
+import java.net.InetSocketAddress;
 import java.nio.ByteBuffer;
 import java.nio.CharBuffer;
 import java.nio.channels.SelectionKey;
 import java.nio.channels.Selector;
+import java.nio.channels.ServerSocketChannel;
 import java.nio.channels.SocketChannel;
 import java.nio.charset.Charset;
 import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
 import java.sql.Connection;
 import java.util.Iterator;
 
@@ -17,46 +22,77 @@ import java.util.Iterator;
  * @author ugnich
  */
 public class WSData implements Runnable {
-
+    
+    static final String WEBSOCKET_GUID = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
     Connection sql;
-    public static Selector sel;
-
+    public Selector sel;
+    
     public WSData(Connection sql) {
         this.sql = sql;
     }
-
+    
     @Override
     public void run() {
         try {
             sel = Selector.open();
+            ServerSocketChannel listensock = ServerSocketChannel.open();
+            listensock.configureBlocking(false);
+            listensock.socket().bind(new InetSocketAddress(8081));
+            listensock.register(sel, SelectionKey.OP_ACCEPT);
+            
             while (true) {
                 sel.select();
                 Iterator<SelectionKey> it = sel.selectedKeys().iterator();
                 while (it.hasNext()) {
                     SelectionKey selKey = it.next();
                     it.remove();
-
-                    SocketChannel sChannel = (SocketChannel) selKey.channel();
-                    ByteBuffer buf = ByteBuffer.allocate(10240);
-                    try {
-                        if (sChannel.read(buf) > 0) {
-                            buf.flip();
-                            CharBuffer charbuf = Charset.forName("ISO-8859-1").decode(buf);
-                            if (charbuf.charAt(0) == 0 && charbuf.charAt(charbuf.length() - 1) == 0xFF) {
-                                wsTextFrame(sChannel, charbuf.subSequence(1, charbuf.length() - 2));
-                            } else if (charbuf.charAt(0) == 'G' && charbuf.charAt(1) == 'E' && charbuf.charAt(2) == 'T' && charbuf.charAt(3) == ' ') {
-                                wsHandshake(sChannel, buf);
-                            } else {
-                                throw new IOException(sChannel.socket().getRemoteSocketAddress().toString() + " INVALID FRAME");
+                    
+                    if (selKey.isAcceptable()) {
+                        ServerSocketChannel ssChannel = (ServerSocketChannel) selKey.channel();
+                        SocketChannel sChannel = ssChannel.accept();
+                        sChannel.configureBlocking(false);
+                        sChannel.register(sel, SelectionKey.OP_READ);
+                        System.out.println(sChannel.socket().getRemoteSocketAddress().toString() + " ACCEPTED");
+                    } else if (selKey.isReadable()) {
+                        SocketChannel sChannel = (SocketChannel) selKey.channel();
+                        ByteBuffer buf = ByteBuffer.allocate(10240);
+                        try {
+                            int readbytes = sChannel.read(buf);
+                            if (readbytes > 0) {
+                                buf.flip();
+                                
+                                CharBuffer charbuf = Charset.forName("ISO-8859-1").decode(buf);
+                                System.out.println("DATA: " + charbuf.toString());
+                                buf.rewind();
+                                
+                                switch (buf.get(0)) {
+                                    case (byte) 0x89: // PING
+                                        updateSocketTS(sChannel);
+                                        wsPing(sChannel);
+                                        break;
+                                    case (byte) 0x8A: // PONG
+                                        updateSocketTS(sChannel);
+                                        break;
+                                    case (byte) 0x81: // TEXT FRAME
+                                        updateSocketTS(sChannel);
+                                        wsTextFrame(sChannel, buf);
+                                        break;
+                                    case (byte) 'G': // HTTP
+                                        updateSocketTS(sChannel);
+                                        wsHandshake(sChannel, buf);
+                                        break;
+                                    case (byte) 0x88: // CONNECTION CLOSE
+                                        throw new IOException(sChannel.socket().getRemoteSocketAddress().toString() + " CONNECTION CLOSE");
+                                }
+                            } else if (readbytes < 0) {
+                                throw new IOException(sChannel.socket().getRemoteSocketAddress().toString() + " END OF STREAM");
                             }
-                        } else {
-                            throw new IOException(sChannel.socket().getRemoteSocketAddress().toString()+ " NO DATA");
+                        } catch (IOException e) {
+                            System.err.println("WSData: " + e);
+                            sChannel.socket().close();
+                            sChannel.close();
+                            selKey.cancel();
                         }
-                    } catch (IOException e) {
-                        System.err.println("WSData: " + e);
-                        sChannel.socket().close();
-                        sChannel.close();
-                        selKey.cancel();
                     }
                 }
             }
@@ -64,15 +100,15 @@ public class WSData implements Runnable {
             System.err.println("WSData: " + e);
         }
     }
-
+    
     public void wsHandshake(SocketChannel sock, ByteBuffer buf) throws Exception {
         String hOrigin = null;
         String hHost = null;
         String hLocation = null;
-        String hSecWebSocketKey1 = null;
-        String hSecWebSocketKey2 = null;
-        String hCookie = null;
-
+        String hSecWebSocketKey = null;
+        String hSecWebSocketVersion = null;
+        String hXRealIP = null;
+        
         buf.rewind();
         CharBuffer charbuf = Charset.forName("ISO-8859-1").decode(buf);
         String headers[] = charbuf.toString().split("\r\n");
@@ -85,149 +121,156 @@ public class WSData implements Runnable {
                     hOrigin = h[1];
                 } else if (h[0].equals("Host:")) {
                     hHost = h[1];
-                } else if (h[0].equals("Sec-WebSocket-Key1:")) {
-                    hSecWebSocketKey1 = h[1];
-                } else if (h[0].equals("Sec-WebSocket-Key2:")) {
-                    hSecWebSocketKey2 = h[1];
-                } else if (h[0].equals("Cookie:")) {
-                    hCookie = h[1];
+                } else if (h[0].equals("Sec-WebSocket-Key:")) {
+                    hSecWebSocketKey = h[1];
+                } else if (h[0].equals("Sec-WebSocket-Version:")) {
+                    hSecWebSocketVersion = h[1];
+                } else if (h[0].equals("X-Real-IP:")) {
+                    hXRealIP = h[1];
                 }
             }
         }
-
-        if (hOrigin == null || hHost == null || hLocation == null || hSecWebSocketKey1 == null || hSecWebSocketKey2 == null) {
+        
+        if (hOrigin == null || hHost == null || hLocation == null || hSecWebSocketKey == null || hSecWebSocketVersion == null || !hSecWebSocketVersion.equals("13")) {
             throw new IOException(sock.socket().getRemoteSocketAddress().toString() + " Invalid headers");
         }
 
-        // Cookies
-        int UID = 0;
-        String hash = null;
-        if (hCookie != null) {
-            String cookies[] = hCookie.split("; ");
-            for (int i = 0; i < cookies.length; i++) {
-                String cookie[] = cookies[i].split("=", 2);
-                if (cookie[0].equals("hash")) {
-                    hash = cookie[1];
-                    break;
-                }
+        // Auth
+        int VUID = 0;
+        int hashloc = hLocation.indexOf("hash=");
+        if (hashloc > 0) {
+            String hash = hLocation.substring(hashloc + 5);
+            if (hash.indexOf('&') > 0) {
+                hash = hash.substring(0, hash.indexOf('&'));
             }
-            if (hash != null) {
-                UID = com.juick.server.UserQueries.getUIDbyHash(sql, hash);
+            if (hash.length() == 16) {
+                VUID = com.juick.server.UserQueries.getUIDbyHash(sql, hash);
             }
         }
 
         // URL
-        String loc[] = hLocation.split("/");
+        int hLocationQM = hLocation.indexOf('?');
+        if (hLocationQM > 0) {
+            hLocation = hLocation.substring(0, hLocationQM);
+        }
+        
         int MID = 0;
-        if (hLocation.equals("/my") && UID > 0) {
-            Main.sockMessages.add(new SocketSubscribed(sock, UID, 0));
-        } else if (hLocation.equals("/all")) {
-            Main.sockAll.add(new SocketSubscribed(sock, UID, 0));
-        } else if ((loc.length == 2 || loc.length == 3) && loc[1].equals("replies")) {
-            if (loc.length == 2) {
-                Main.sockReplies.add(new SocketSubscribed(sock, UID, 0));
-            } else {
-                try {
-                    MID = Integer.parseInt(loc[2]);
-                } catch (Exception e) {
-                }
-                if (MID > 0) {
-                    Main.sockReplies.add(new SocketSubscribed(sock, UID, MID));
+        int responseCode = 404;
+        SocketSubscribed sockSubscr = null;
+        if (hLocation.equals("/") && VUID > 0) {
+            sockSubscr = new SocketSubscribed(sock, hXRealIP, VUID);
+            responseCode = 101;
+        } else if (hLocation.equals("/_all")) {
+            sockSubscr = new SocketSubscribed(sock, hXRealIP, VUID);
+            sockSubscr.allMessages = true;
+            responseCode = 101;
+        } else if (hLocation.equals("/_replies")) {
+            sockSubscr = new SocketSubscribed(sock, hXRealIP, VUID);
+            sockSubscr.allReplies = true;
+            responseCode = 101;
+        } else if (hLocation.matches("^/\\d+$")) {
+            try {
+                MID = Integer.parseInt(hLocation.substring(1));
+            } catch (Exception e) {
+            }
+            if (MID > 0) {
+                if (MessagesQueries.canViewThread(sql, MID, VUID)) {
+                    sockSubscr = new SocketSubscribed(sock, hXRealIP, VUID);
+                    sockSubscr.MID = MID;
+                    responseCode = 101;
                 } else {
-                    throw new IOException(sock.socket().getRemoteSocketAddress().toString() + " Invalid MID");
+                    responseCode = 403;
                 }
             }
-        } else {
-            throw new IOException(sock.socket().getRemoteSocketAddress().toString() + " Invalid location");
-        }
-
-        System.out.println(sock.socket().getRemoteSocketAddress().toString() + " HANDSHAKE (Hash=" + hash + "; UID = " + UID + "; MID = " + MID + ")");
-
-        Long lSecNum1 = calcSecKeyNum(hSecWebSocketKey1);
-        Long lSecNum2 = calcSecKeyNum(hSecWebSocketKey2);
-
-        BigInteger sec1 = new BigInteger(lSecNum1.toString());
-        BigInteger sec2 = new BigInteger(lSecNum2.toString());
-
-        // concatenate 3 parts secNum1 + secNum2 + secKey (16 Bytes)
-        byte[] l128Bit = new byte[]{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
-        byte[] lTmp;
-
-        lTmp = sec1.toByteArray();
-        int lIdx = lTmp.length;
-        int lCnt = 0;
-        while (lIdx > 0 && lCnt < 4) {
-            lIdx--;
-            lCnt++;
-            l128Bit[4 - lCnt] = lTmp[lIdx];
+        } else if (hLocation.matches("^/[a-zA-Z0-9\\-]{2,16}/?$")) {
+            String uname;
+            if (hLocation.endsWith("/")) {
+                uname = hLocation.substring(1, hLocation.length() - 2);
+            } else {
+                uname = hLocation.substring(1);
+            }
+            
+            int UID = UserQueries.getUIDbyName(sql, uname);
+            if (UID > 0) {
+                // check access
+                sockSubscr = new SocketSubscribed(sock, hXRealIP, VUID);
+                sockSubscr.UID = UID;
+                responseCode = 101;
+            }
         }
-
-        lTmp = sec2.toByteArray();
-        lIdx = lTmp.length;
-        lCnt = 0;
-        while (lIdx > 0 && lCnt < 4) {
-            lIdx--;
-            lCnt++;
-            l128Bit[8 - lCnt] = lTmp[lIdx];
+        if (sockSubscr != null) {
+            synchronized (Main.clients) {
+                Main.clients.add(sockSubscr);
+            }
         }
 
-        buf.rewind();
-        for (int i = 0; i < 8; i++) {
-            l128Bit[8 + i] = buf.get(buf.limit() - 8 + i);
+        // Response
+        String outstr;
+        if (responseCode == 101) {
+            outstr = "HTTP/1.1 101 Switching Protocols\r\n"
+                    + "Upgrade: websocket\r\n"
+                    + "Connection: Upgrade\r\n"
+                    + "Sec-WebSocket-Accept: " + calcHeaderAccept(hSecWebSocketKey) + "\r\n"
+                    + "\r\n";
+        } else if (responseCode == 403) {
+            outstr = "HTTP/1.1 403 Forbidden\r\n\r\n";
+        } else {
+            outstr = "HTTP/1.1 404 Not Found\r\n\r\n";
         }
-
-        String outstr = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n"
-                + "Upgrade: WebSocket\r\n"
-                + "Connection: Upgrade\r\n"
-                + "Sec-WebSocket-Origin: " + hOrigin + "\r\n"
-                + "Sec-WebSocket-Location: ws://" + hHost + hLocation + "\r\n"
-                + "Sec-WebSocket-Protocol: sample\r\n"
-                + "\r\n";
-        ByteBuffer out = ByteBuffer.allocate(4096);
+        ByteBuffer out = ByteBuffer.allocate(1024);
         out.put(Charset.forName("ISO-8859-1").encode(outstr));
-        out.put(MessageDigest.getInstance("MD5").digest(l128Bit));
         out.flip();
-
         sock.write(out);
-    }
-
-    private static long calcSecKeyNum(String aKey) {
-        StringBuilder lSB = new StringBuilder();
-        int lSpaces = 0;
-        for (int i = 0; i < aKey.length(); i++) {
-            char lC = aKey.charAt(i);
-            if (lC == ' ') {
-                lSpaces++;
-            } else if (lC >= '0' && lC <= '9') {
-                lSB.append(lC);
-            }
+        
+        if (responseCode == 101) {
+            System.out.println(sock.socket().getRemoteSocketAddress().toString() + " HANDSHAKE (VUID = " + VUID + "; MID = " + MID + ")");
+        } else {
+            throw new IOException(sock.socket().getRemoteSocketAddress().toString() + " " + responseCode);
         }
-        long lRes = -1;
-        if (lSpaces > 0) {
-            try {
-                lRes = Long.parseLong(lSB.toString()) / lSpaces;
-            } catch (NumberFormatException ex) {
-                // use default result
-            }
+    }
+    
+    private String calcHeaderAccept(String key) {
+        String base = key + WEBSOCKET_GUID;
+        try {
+            MessageDigest md = MessageDigest.getInstance("SHA-1");
+            return Base64.encode(md.digest(base.getBytes()));
+        } catch (NoSuchAlgorithmException e) {
+            System.err.println("calcHeaderAccept: " + e);
         }
-        return lRes;
+        return "";
     }
-
-    public void wsTextFrame(SocketChannel sock, CharSequence csbuf) {
-        String buf = csbuf.toString();
-        if (buf.equals(" ")) {
-            ByteBuffer out = ByteBuffer.allocate(4);
-            out.put((byte) 0x00);
-            out.put((byte) 0x20);
-            out.put((byte) 0xFF);
-            out.flip();
-            out.rewind();
-            try {
-                sock.write(out);
-            } catch (IOException e) {
+    
+    public void wsPing(SocketChannel sock) throws Exception {
+        ByteBuffer out = ByteBuffer.allocate(2);
+        out.put((byte) 0x8A); // PONG FRAME
+        out.put((byte) 0x00); // 1 byte long
+        out.flip();
+        out.rewind();
+        sock.write(out);
+    }
+    
+    public void wsTextFrame(SocketChannel sock, ByteBuffer buf) throws Exception {
+        /*
+        ByteBuffer out = ByteBuffer.allocate(3);
+        out.put((byte) 0x81); // TEXT FRAME
+        out.put((byte) 0x01); // 1 byte long
+        out.put((byte) 0x20); // ' '
+        out.flip();
+        out.rewind();
+        sock.write(out);
+         */
+    }
+    
+    public void updateSocketTS(SocketChannel sock) {
+        synchronized (Main.clients) {
+            Iterator<SocketSubscribed> i = Main.clients.iterator();
+            while (i.hasNext()) {
+                SocketSubscribed s = i.next();
+                if (s.sock == sock) {
+                    s.tsLastData = System.currentTimeMillis();
+                    break;
+                }
             }
-        } else {
-            System.out.println(sock.socket().getRemoteSocketAddress().toString() + " DATA '" + buf + "'");
         }
     }
 }
diff --git a/src/com/juick/jabber/ws/WSKeepAlive.java b/src/com/juick/jabber/ws/WSKeepAlive.java
index ba6376a4..2e36b100 100644
--- a/src/com/juick/jabber/ws/WSKeepAlive.java
+++ b/src/com/juick/jabber/ws/WSKeepAlive.java
@@ -1,6 +1,9 @@
 package com.juick.jabber.ws;
 
+import java.io.PrintWriter;
+import java.nio.ByteBuffer;
 import java.sql.Connection;
+import java.util.Iterator;
 
 /**
  *
@@ -9,12 +12,115 @@ import java.sql.Connection;
 public class WSKeepAlive implements Runnable {
 
     Connection sql;
+    ByteBuffer pingBytes;
+    ByteBuffer closeBytes;
 
     public WSKeepAlive(Connection sql) {
         this.sql = sql;
+
+        //pingBytes = ByteBuffer.allocate(2);
+        //pingBytes.put((byte) 0x8A); // PONG FRAME
+        //pingBytes.put((byte) 0x00); // 0 byte long
+        pingBytes = ByteBuffer.allocate(3);
+        pingBytes.put((byte) 0x81); // TEXT FRAME
+        pingBytes.put((byte) 0x01); // 1 byte long
+        pingBytes.put((byte) 0x20); // ' '
+        pingBytes.flip();
+
+        closeBytes = ByteBuffer.allocate(2);
+        closeBytes.put((byte) 0x88); // CLOSE FRAME
+        closeBytes.put((byte) 0x00); // 0 byte long
+        closeBytes.flip();
     }
 
     @Override
     public void run() {
+        while (true) {
+            PrintWriter statsFile = null;
+
+            if (Main.STATSFILE != null) {
+                try {
+                    statsFile = new PrintWriter(Main.STATSFILE, "UTF-8");
+                } catch (Exception e) {
+                    statsFile = null;
+                    System.err.println("WSKeepAlive statsFile: " + e);
+                }
+            }
+
+            long now = System.currentTimeMillis();
+
+            synchronized (Main.clients) {
+                if (statsFile != null) {
+                    statsFile.write("<html><body><h1>Connections (" + Main.clients.size() + ")</h2><table border=1><tr><th>IP</th><th>inactive</th><th>VUID</th><th>UID</th><th>MID</th><th>allM</th><th>allR</th></tr>");
+                }
+
+                for (Iterator<SocketSubscribed> i = Main.clients.iterator(); i.hasNext();) {
+                    SocketSubscribed s = i.next();
+                    int inactive = (int) ((double) (now - s.tsLastData) / 1000.0);
+
+                    if (statsFile != null) {
+                        try {
+                            statsFile.print("<tr><td>" + (s.clientName != null ? s.clientName : "?") + "</td>");
+                            statsFile.print("<td>" + inactive + "</td>");
+                            statsFile.print("<td>" + (s.VUID > 0 ? s.VUID : "") + "</td>");
+                            statsFile.print("<td>" + (s.UID > 0 ? s.UID : "") + "</td>");
+                            statsFile.print("<td>" + (s.MID > 0 ? s.MID : "") + "</td>");
+                            statsFile.print("<td>" + (s.allMessages ? "+" : "") + "</td>");
+                            statsFile.print("<td>" + (s.allReplies ? "+" : "") + "</td></tr>");
+                        } catch (Exception e) {
+                            System.err.println("WSKeepAlive statsFile print: " + e);
+                        }
+                    }
+
+                    if (inactive > 180) {
+                        closeBytes.rewind();
+                        try {
+                            s.sock.write(closeBytes);
+                        } catch (Exception e) {
+                        } finally {
+                            try {
+                                s.sock.socket().close();
+                            } catch (Exception ex) {
+                            }
+                            try {
+                                s.sock.close();
+                            } catch (Exception ex) {
+                            }
+                            i.remove();
+                        }
+                    } else if (inactive > 60) {
+                        pingBytes.rewind();
+                        try {
+                            s.sock.write(pingBytes);
+                        } catch (Exception e) {
+                            System.err.println("WSKeepAlive ping: " + e);
+                            try {
+                                s.sock.socket().close();
+                            } catch (Exception ex) {
+                            }
+                            try {
+                                s.sock.close();
+                            } catch (Exception ex) {
+                            }
+                            i.remove();
+                        }
+                    }
+                }
+            }
+
+            if (Main.STATSFILE != null) {
+                try {
+                    statsFile.write("</table></body></html>");
+                    statsFile.close();
+                } catch (Exception e) {
+                    System.err.println("WSKeepAlive statsFile close: " + e);
+                }
+            }
+
+            try {
+                Thread.sleep(10000);
+            } catch (InterruptedException e) {
+            }
+        }
     }
 }
diff --git a/src/com/juick/jabber/ws/XMPPConnection.java b/src/com/juick/jabber/ws/XMPPConnection.java
index 91a8387b..24329992 100644
--- a/src/com/juick/jabber/ws/XMPPConnection.java
+++ b/src/com/juick/jabber/ws/XMPPConnection.java
@@ -1,5 +1,7 @@
 package com.juick.jabber.ws;
 
+import com.juick.server.MessagesQueries;
+import com.juick.server.Utils;
 import com.juick.xmpp.JID;
 import com.juick.xmpp.Message;
 import com.juick.xmpp.Stream;
@@ -13,6 +15,8 @@ import java.sql.Connection;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Statement;
+import java.util.ArrayList;
+import java.util.Iterator;
 
 /**
  *
@@ -33,7 +37,7 @@ public class XMPPConnection implements Runnable, Stream.StreamListener, Message.
     public void run() {
         try {
             Socket socket = new Socket("localhost", 5347);
-            xmpp = new StreamComponent(new JID("", "ws.juick.com", ""), socket.getInputStream(), socket.getOutputStream(), xmppPassword);
+            xmpp = new StreamComponent(new JID("", "ws2.juick.com", ""), socket.getInputStream(), socket.getOutputStream(), xmppPassword);
             xmpp.addChildParser(new JuickMessage());
             xmpp.addListener((Stream.StreamListener) this);
             xmpp.addListener((Message.MessageListener) this);
@@ -67,35 +71,24 @@ public class XMPPConnection implements Runnable, Stream.StreamListener, Message.
     }
 
     private void onJuickMessagePost(com.juick.Message jmsg) {
-        String json = "{"
-                + "\"mid\":" + jmsg.MID + ","
-                + "\"user\":{" + "\"uid\":" + jmsg.User.UID + "," + "\"uname\":\"" + encloseJSON(jmsg.User.UName) + "\"},"
-                + "\"timestamp\":\"" + jmsg.TimestampString + "\","
-                + "\"body\":\"" + encloseJSON(jmsg.Text) + "\"";
-        if (jmsg.Tags.size() > 0) {
-            json += ",\"tags\":[";
-            for (int i = 0; i < jmsg.Tags.size(); i++) {
-                if (i > 0) {
-                    json += ",";
-                }
-                json += "\"" + encloseJSON((String) jmsg.Tags.get(i)) + "\"";
-            }
-            json += "]";
+        String json = com.juick.json.Message.toJSON(jmsg).toString();
+        ByteBuffer jsonbytes = Charset.forName("UTF-8").encode(json);
+        ByteBuffer bbMsg = ByteBuffer.allocate(10240);
+        bbMsg.put((byte) 0x81);
+        if (jsonbytes.limit() <= 125) {
+            bbMsg.put((byte) jsonbytes.limit());
+        } else {
+            bbMsg.put((byte) 126);
+            bbMsg.putShort((short) jsonbytes.limit());
         }
-        json += "}";
-
-        ByteBuffer out = ByteBuffer.allocate(10240);
-        out.put((byte) 0x00);
-        out.put(Charset.forName("UTF-8").encode(json));
-        out.put((byte) 0xFF);
-        out.flip();
-
+        bbMsg.put(jsonbytes);
+        bbMsg.flip();
 
+        ArrayList<Integer> uids = new ArrayList<Integer>();
         String query = "SELECT suser_id FROM subscr_users WHERE user_id=" + jmsg.User.UID + " AND suser_id NOT IN (SELECT user_id FROM bl_tags INNER JOIN messages_tags USING(tag_id) WHERE message_id=" + jmsg.MID + ")";
         if (jmsg.Privacy < 0) {
             query += " AND suser_id IN (SELECT wl_user_id FROM wl_users WHERE user_id=" + jmsg.User.UID + ")";
         }
-
         Statement stmt = null;
         ResultSet rs = null;
         try {
@@ -103,115 +96,73 @@ public class XMPPConnection implements Runnable, Stream.StreamListener, Message.
             rs = stmt.executeQuery(query);
             rs.beforeFirst();
             while (rs.next()) {
-                int UID = rs.getInt(1);
-
-                for (int i = Main.sockMessages.size() - 1; i >= 0; i--) {
-                    SocketSubscribed ss = Main.sockMessages.get(i);
-                    if (ss.UID == UID) {
-                        try {
-                            out.rewind();
-                            ss.sock.write(out);
-                        } catch (IOException e) {
-                            Main.sockMessages.remove(i);
-                            try {
-                                ss.sock.close();
-                            } catch (IOException ex) {
-                            }
-                        }
-                    }
-                }
-
-                if (jmsg.Privacy <= 0) {
-                    for (int i = Main.sockAll.size() - 1; i >= 0; i--) {
-                        SocketSubscribed ss = Main.sockAll.get(i);
-                        if (ss.UID == UID) {
-                            try {
-                                out.rewind();
-                                ss.sock.write(out);
-                            } catch (IOException e) {
-                                Main.sockAll.remove(i);
-                                try {
-                                    ss.sock.close();
-                                } catch (IOException ex) {
-                                }
-                            }
-                        }
-                    }
-                }
-
+                uids.add(rs.getInt(1));
             }
         } catch (SQLException e) {
-            System.err.println(e);
+            System.err.println("onJuickMessagePost: " + e);
         } finally {
-            if (rs != null) {
-                try {
-                    rs.close();
-                } catch (SQLException e) {
-                }
-            }
-            if (stmt != null) {
-                try {
-                    stmt.close();
-                } catch (SQLException e) {
-                }
-            }
+            Utils.finishSQL(rs, stmt);
         }
 
-        // Send to all
-        if (jmsg.Privacy > 0) {
-            for (int i = Main.sockAll.size() - 1; i >= 0; i--) {
-                SocketSubscribed ss = Main.sockAll.get(i);
-                try {
-                    out.rewind();
-                    ss.sock.write(out);
-                    System.err.println("  --->" + ss.sock.socket().getRemoteSocketAddress());
-                } catch (IOException e) {
-                    Main.sockAll.remove(i);
+        synchronized (Main.clients) {
+            for (Iterator<SocketSubscribed> i = Main.clients.iterator(); i.hasNext();) {
+                SocketSubscribed s = i.next();
+                if ((jmsg.Privacy >= 0 && (s.allMessages || s.UID == jmsg.User.UID)) || uids.contains(s.VUID)) {
+                    bbMsg.rewind();
                     try {
-                        ss.sock.close();
-                    } catch (IOException ex) {
+                        s.sock.write(bbMsg);
+                    } catch (Exception e) {
+                        try {
+                            s.sock.socket().close();
+                        } catch (Exception ex) {
+                        }
+                        try {
+                            s.sock.close();
+                        } catch (Exception ex) {
+                        }
+                        i.remove();
                     }
                 }
             }
         }
-
     }
 
     private void onJuickMessageReply(com.juick.Message jmsg) {
-        String json = "{"
-                + "\"mid\":" + jmsg.MID + ","
-                + "\"rid\":" + jmsg.RID + ","
-                + "\"replyto\":" + jmsg.ReplyTo + ","
-                + "\"user\":{" + "\"uid\":" + jmsg.User.UID + "," + "\"uname\":\"" + encloseJSON(jmsg.User.UName) + "\"},"
-                + "\"timestamp\":\"" + jmsg.TimestampString + "\","
-                + "\"body\":\"" + encloseJSON(jmsg.Text) + "\""
-                + "}";
+        String json = com.juick.json.Message.toJSON(jmsg).toString();
+        ByteBuffer jsonbytes = Charset.forName("UTF-8").encode(json);
+        ByteBuffer bbMsg = ByteBuffer.allocate(10240);
+        bbMsg.put((byte) 0x81);
+        if (jsonbytes.limit() <= 125) {
+            bbMsg.put((byte) jsonbytes.limit());
+        } else {
+            bbMsg.put((byte) 126);
+            bbMsg.putShort((short) jsonbytes.limit());
+        }
+        bbMsg.put(jsonbytes);
+        bbMsg.flip();
 
-        ByteBuffer out = ByteBuffer.allocate(10240);
-        out.put((byte) 0x00);
-        out.put(Charset.forName("UTF-8").encode(json));
-        out.put((byte) 0xFF);
-        out.flip();
+        int privacy = MessagesQueries.getMessagePrivacy(sql, jmsg.MID);
 
-        for (int i = Main.sockReplies.size() - 1; i >= 0; i--) {
-            SocketSubscribed ss = Main.sockReplies.get(i);
-            if (ss.MID == 0 || ss.MID == jmsg.MID) {
-                try {
-                    out.rewind();
-                    ss.sock.write(out);
-                    System.err.println("  --->" + ss.sock.socket().getRemoteSocketAddress());
-                } catch (IOException e) {
-                    Main.sockReplies.remove(i);
+        synchronized (Main.clients) {
+            for (Iterator<SocketSubscribed> i = Main.clients.iterator(); i.hasNext();) {
+                SocketSubscribed s = i.next();
+                if ((privacy >= 0 && s.allReplies) || s.MID == jmsg.MID) {
+                    bbMsg.rewind();
                     try {
-                        ss.sock.close();
-                    } catch (IOException ex) {
+                        s.sock.write(bbMsg);
+                    } catch (Exception e) {
+                        try {
+                            s.sock.socket().close();
+                        } catch (Exception ex) {
+                        }
+                        try {
+                            s.sock.close();
+                        } catch (Exception ex) {
+                        }
+                        i.remove();
                     }
                 }
             }
         }
     }
-
-    public static String encloseJSON(String str) {
-        return str.replace("\"", "&quot;").replace("\\", "\\\\").replace("\n", "\\n");
-    }
 }
-- 
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