From e746ca6970bea80ec9b5ae79dda8f6332254e301 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Sat, 16 Jan 2016 16:43:43 +0300
Subject: moved to Gradle

---
 src/main/java/com/juick/jabber/ws/Main.java        |  68 +++++
 .../java/com/juick/jabber/ws/SocketSubscribed.java |  51 ++++
 .../java/com/juick/jabber/ws/WSConnections.java    |  44 ++++
 src/main/java/com/juick/jabber/ws/WSData.java      | 276 +++++++++++++++++++++
 src/main/java/com/juick/jabber/ws/WSKeepAlive.java | 102 ++++++++
 .../java/com/juick/jabber/ws/XMPPConnection.java   | 166 +++++++++++++
 6 files changed, 707 insertions(+)
 create mode 100644 src/main/java/com/juick/jabber/ws/Main.java
 create mode 100644 src/main/java/com/juick/jabber/ws/SocketSubscribed.java
 create mode 100644 src/main/java/com/juick/jabber/ws/WSConnections.java
 create mode 100644 src/main/java/com/juick/jabber/ws/WSData.java
 create mode 100644 src/main/java/com/juick/jabber/ws/WSKeepAlive.java
 create mode 100644 src/main/java/com/juick/jabber/ws/XMPPConnection.java

(limited to 'src/main/java/com/juick/jabber/ws')

diff --git a/src/main/java/com/juick/jabber/ws/Main.java b/src/main/java/com/juick/jabber/ws/Main.java
new file mode 100644
index 00000000..a7aea543
--- /dev/null
+++ b/src/main/java/com/juick/jabber/ws/Main.java
@@ -0,0 +1,68 @@
+/*
+ * Juick
+ * Copyright (C) 2008-2011, Ugnich Anton
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.juick.jabber.ws;
+
+import java.io.FileInputStream;
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.Properties;
+
+/**
+ *
+ * @author Ugnich Anton
+ */
+public class Main {
+
+    Connection sql;
+    XMPPConnection xmpp;
+    public static String STATSFILE = null;
+    public final static ArrayList<SocketSubscribed> clients = new ArrayList<SocketSubscribed>();
+
+    public static void main(String[] args) {
+        new Main().start();
+    }
+
+    public void start() {
+        try {
+            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 WSKeepAlive(sql)).start();
+        } catch (Exception e) {
+            System.err.println(e);
+        }
+    }
+
+    public void setupSql(String username, String password) {
+        try {
+            sql = DriverManager.getConnection("jdbc:mysql://localhost/juick?autoReconnect=true&user=" + username + "&password=" + password);
+        } catch (SQLException e) {
+            System.err.println(e);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/com/juick/jabber/ws/SocketSubscribed.java b/src/main/java/com/juick/jabber/ws/SocketSubscribed.java
new file mode 100644
index 00000000..6144380c
--- /dev/null
+++ b/src/main/java/com/juick/jabber/ws/SocketSubscribed.java
@@ -0,0 +1,51 @@
+package com.juick.jabber.ws;
+
+import java.nio.ByteBuffer;
+import java.nio.channels.SocketChannel;
+
+/**
+ *
+ * @author ugnich
+ */
+public class SocketSubscribed {
+
+    public SocketChannel sock = null;
+    public String clientName = null;
+    public int VUID = 0;
+    public int UID = 0;
+    public int MID = 0;
+    public boolean allMessages = false;
+    public boolean allReplies = false;
+    public long tsConnected;
+    public long tsLastData;
+
+    public SocketSubscribed(SocketChannel sock, String clientName, int VUID) {
+        this.sock = sock;
+        this.clientName = clientName;
+        this.VUID = VUID;
+        tsConnected = tsLastData = System.currentTimeMillis();
+    }
+
+    public boolean sendByteBuffer(ByteBuffer bb) {
+        boolean ret = false;
+        bb.rewind();
+        try {
+            sock.write(bb);
+            ret = true;
+        } catch (Exception e) {
+            close();
+        }
+        return ret;
+    }
+
+    public void close() {
+        try {
+            sock.socket().close();
+        } catch (Exception e) {
+        }
+        try {
+            sock.close();
+        } catch (Exception e) {
+        }
+    }
+}
diff --git a/src/main/java/com/juick/jabber/ws/WSConnections.java b/src/main/java/com/juick/jabber/ws/WSConnections.java
new file mode 100644
index 00000000..15fbe4e8
--- /dev/null
+++ b/src/main/java/com/juick/jabber/ws/WSConnections.java
@@ -0,0 +1,44 @@
+package com.juick.jabber.ws;
+
+import java.net.InetSocketAddress;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.Selector;
+import java.nio.channels.ServerSocketChannel;
+import java.nio.channels.SocketChannel;
+import java.util.Iterator;
+
+/**
+ *
+ * @author ugnich
+ */
+public class WSConnections implements Runnable {
+
+    Selector sel;
+
+    @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();
+                    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");
+                }
+            }
+        } catch (Exception e) {
+            System.err.println("WSConnections: " + e);
+        }
+    }
+}
diff --git a/src/main/java/com/juick/jabber/ws/WSData.java b/src/main/java/com/juick/jabber/ws/WSData.java
new file mode 100644
index 00000000..d77257e6
--- /dev/null
+++ b/src/main/java/com/juick/jabber/ws/WSData.java
@@ -0,0 +1,276 @@
+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.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;
+
+/**
+ *
+ * @author ugnich
+ */
+public class WSData implements Runnable {
+    
+    static final String WEBSOCKET_GUID = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
+    Connection sql;
+    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();
+                    
+                    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");
+                            }
+                        } catch (IOException e) {
+                            System.err.println("WSData: " + e);
+                            sChannel.socket().close();
+                            sChannel.close();
+                            selKey.cancel();
+                        }
+                    }
+                }
+            }
+        } catch (Exception e) {
+            System.err.println("WSData: " + e);
+        }
+    }
+    
+    public void wsHandshake(SocketChannel sock, ByteBuffer buf) throws Exception {
+        String hOrigin = null;
+        String hHost = null;
+        String hLocation = 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");
+        for (int i = 0; i < headers.length; i++) {
+            String h[] = headers[i].split(" ", 2);
+            if (h.length == 2) {
+                if (h[0].equals("GET")) {
+                    hLocation = headers[i].split(" ", 3)[1];
+                } else if (h[0].equals("Origin:")) {
+                    hOrigin = h[1];
+                } else if (h[0].equals("Host:")) {
+                    hHost = 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 || hSecWebSocketKey == null || hSecWebSocketVersion == null || !hSecWebSocketVersion.equals("13")) {
+            throw new IOException(sock.socket().getRemoteSocketAddress().toString() + " Invalid headers");
+        }
+
+        // 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.length() == 16) {
+                VUID = com.juick.server.UserQueries.getUIDbyHash(sql, hash);
+            }
+        }
+
+        // URL
+        int hLocationQM = hLocation.indexOf('?');
+        if (hLocationQM > 0) {
+            hLocation = hLocation.substring(0, hLocationQM);
+        }
+        
+        int MID = 0;
+        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+$")) {
+            try {
+                MID = Integer.parseInt(hLocation.substring(1));
+            } catch (Exception e) {
+            }
+            if (MID > 0) {
+                if (MessagesQueries.canViewThread(sql, MID, VUID)) {
+                    sockSubscr = new SocketSubscribed(sock, hXRealIP, VUID);
+                    sockSubscr.MID = MID;
+                    responseCode = 101;
+                } else {
+                    responseCode = 403;
+                }
+            }
+        } else if (hLocation.matches("^/[a-zA-Z0-9\\-]{2,16}/?$")) {
+            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;
+            }
+        }
+        if (sockSubscr != null) {
+            synchronized (Main.clients) {
+                Main.clients.add(sockSubscr);
+            }
+        }
+
+        // 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";
+        }
+        ByteBuffer out = ByteBuffer.allocate(1024);
+        out.put(Charset.forName("ISO-8859-1").encode(outstr));
+        out.flip();
+        sock.write(out);
+        
+        if (responseCode == 101) {
+            System.out.println(sock.socket().getRemoteSocketAddress().toString() + " HANDSHAKE (VUID = " + VUID + "; MID = " + MID + ")");
+        } else {
+            throw new IOException(sock.socket().getRemoteSocketAddress().toString() + " " + responseCode);
+        }
+    }
+    
+    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 "";
+    }
+    
+    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;
+                }
+            }
+        }
+    }
+}
diff --git a/src/main/java/com/juick/jabber/ws/WSKeepAlive.java b/src/main/java/com/juick/jabber/ws/WSKeepAlive.java
new file mode 100644
index 00000000..2deef594
--- /dev/null
+++ b/src/main/java/com/juick/jabber/ws/WSKeepAlive.java
@@ -0,0 +1,102 @@
+package com.juick.jabber.ws;
+
+import java.io.PrintWriter;
+import java.nio.ByteBuffer;
+import java.sql.Connection;
+import java.util.Iterator;
+
+/**
+ *
+ * @author ugnich
+ */
+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) {
+                        s.sendByteBuffer(closeBytes);
+                        s.close();
+                        i.remove();
+                    } else if (inactive > 60) {
+                        if (!s.sendByteBuffer(pingBytes)) {
+                            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/main/java/com/juick/jabber/ws/XMPPConnection.java b/src/main/java/com/juick/jabber/ws/XMPPConnection.java
new file mode 100644
index 00000000..39815da5
--- /dev/null
+++ b/src/main/java/com/juick/jabber/ws/XMPPConnection.java
@@ -0,0 +1,166 @@
+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;
+import com.juick.xmpp.StreamComponent;
+import com.juick.xmpp.extensions.JuickMessage;
+import java.io.IOException;
+import java.net.Socket;
+import java.nio.ByteBuffer;
+import java.nio.charset.Charset;
+import java.sql.Connection;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.ArrayList;
+import java.util.Iterator;
+
+/**
+ *
+ * @author ugnich
+ */
+public class XMPPConnection implements Runnable, Stream.StreamListener, Message.MessageListener {
+
+    Connection sql;
+    Stream xmpp;
+    String xmppPassword;
+
+    public XMPPConnection(Connection sql, String password) {
+        this.sql = sql;
+        xmppPassword = password;
+    }
+
+    @Override
+    public void run() {
+        try {
+            Socket socket = new Socket("localhost", 5347);
+            xmpp = new StreamComponent(new JID("", "ws.juick.com", ""), socket.getInputStream(), socket.getOutputStream(), xmppPassword);
+            xmpp.addChildParser(new JuickMessage());
+            xmpp.addListener((Stream.StreamListener) this);
+            xmpp.addListener((Message.MessageListener) this);
+            xmpp.startParsing();
+        } catch (IOException e) {
+            System.err.println("XMPPConnection: " + e);
+        }
+    }
+
+    @Override
+    public void onStreamReady() {
+        System.err.println("Stream ready");
+    }
+
+    @Override
+    public void onStreamFail(String msg) {
+        System.err.println("Stream failed: " + msg);
+    }
+
+    @Override
+    public void onMessage(com.juick.xmpp.Message msg) {
+        JuickMessage jmsg = (JuickMessage) msg.getChild(JuickMessage.XMLNS);
+        if (jmsg != null) {
+            System.err.println("MID=" + jmsg.MID + "; RID=" + jmsg.RID);
+            if (jmsg.MID == 0) {
+                int uid_to = 0;
+                try {
+                    uid_to = Integer.parseInt(msg.to.Username);
+                } catch (Exception e) {
+                }
+                if (uid_to > 0) {
+                    onJuickPM(uid_to, jmsg);
+                }
+            } else if (jmsg.RID == 0) {
+                onJuickMessagePost(jmsg);
+            } else {
+                onJuickMessageReply(jmsg);
+            }
+        }
+    }
+
+    private void onJuickPM(int uid_to, com.juick.Message jmsg) {
+        String json = com.juick.json.Message.toJSON(jmsg).toString();
+        ByteBuffer bbMsg = buildTextFrame(json);
+
+        synchronized (Main.clients) {
+            for (Iterator<SocketSubscribed> i = Main.clients.iterator(); i.hasNext();) {
+                SocketSubscribed s = i.next();
+                if (s.VUID == uid_to && s.MID == 0 && s.allMessages == false && s.allReplies == false) {
+                    if (!s.sendByteBuffer(bbMsg)) {
+                        i.remove();
+                    }
+                }
+            }
+        }
+    }
+
+    private void onJuickMessagePost(com.juick.Message jmsg) {
+        String json = com.juick.json.Message.toJSON(jmsg).toString();
+        ByteBuffer bbMsg = buildTextFrame(json);
+
+        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 {
+            stmt = sql.createStatement();
+            rs = stmt.executeQuery(query);
+            rs.beforeFirst();
+            while (rs.next()) {
+                uids.add(rs.getInt(1));
+            }
+        } catch (SQLException e) {
+            System.err.println("onJuickMessagePost: " + e);
+        } finally {
+            Utils.finishSQL(rs, stmt);
+        }
+
+        synchronized (Main.clients) {
+            for (Iterator<SocketSubscribed> i = Main.clients.iterator(); i.hasNext();) {
+                SocketSubscribed s = i.next();
+                if (s.MID == 0 && s.allReplies == false && ((jmsg.Privacy >= 0 && (s.allMessages || s.UID == jmsg.User.UID)) || uids.contains(s.VUID))) {
+                    if (!s.sendByteBuffer(bbMsg)) {
+                        i.remove();
+                    }
+                }
+            }
+        }
+    }
+
+    private void onJuickMessageReply(com.juick.Message jmsg) {
+        String json = com.juick.json.Message.toJSON(jmsg).toString();
+        ByteBuffer bbMsg = buildTextFrame(json);
+
+        int privacy = MessagesQueries.getMessagePrivacy(sql, jmsg.MID);
+
+        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) {
+                    if (!s.sendByteBuffer(bbMsg)) {
+                        i.remove();
+                    }
+                }
+            }
+        }
+    }
+
+    private ByteBuffer buildTextFrame(String json) {
+        ByteBuffer jsonbytes = Charset.forName("UTF-8").encode(json);
+        ByteBuffer bbMsg = ByteBuffer.allocate(jsonbytes.limit() + 8);
+        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();
+        return bbMsg;
+    }
+}
-- 
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