import s2s component

author: Vitaly Takmazov 2016-01-26 20:09:27 +0300
committer: Vitaly Takmazov 2016-01-26 20:09:27 +0300
commit: 75d80dc433348435c1f8e11fafb0d1deda1ca793 (patch)
tree: c06a67e2bcf6e10bf12f7caabcd43280df2d91ab /src/main/java/com/juick/xmpp
parent: bace08c34252bffd3a575ca86b2b2f420165a81b (diff)
12 files changed, 1508 insertions, 0 deletions
diff --git a/src/main/java/com/juick/xmpp/s2s/CacheEntry.java b/src/main/java/com/juick/xmpp/s2s/CacheEntry.java
new file mode 100644
index 00000000..7cdb18ab
--- /dev/null
+++ b/src/main/java/com/juick/xmpp/s2s/CacheEntry.java
@@ -0,0 +1,19 @@
+package com.juick.xmpp.s2s;
+
+/**
+ *
+ * @author ugnich
+ */
+public class CacheEntry {
+
+    public String hostname;
+    public long tsCreated;
+    public long tsUpdated;
+    public String xml;
+
+    public CacheEntry(String hostname, String xml) {
+        this.hostname = hostname;
+        this.tsCreated = this.tsUpdated = System.currentTimeMillis();
+        this.xml = xml;
+    }
+}
diff --git a/src/main/java/com/juick/xmpp/s2s/CleaningUp.java b/src/main/java/com/juick/xmpp/s2s/CleaningUp.java
new file mode 100644
index 00000000..48771580
--- /dev/null
+++ b/src/main/java/com/juick/xmpp/s2s/CleaningUp.java
@@ -0,0 +1,102 @@
+package com.juick.xmpp.s2s;
+
+import java.io.FileNotFoundException;
+import java.io.PrintWriter;
+import java.io.UnsupportedEncodingException;
+import java.util.Iterator;
+
+/**
+ *
+ * @author ugnich
+ */
+public class CleaningUp implements Runnable {
+
+    @Override
+    public void run() {
+        while (true) {
+            try {
+                PrintWriter statsFile = new PrintWriter(XMPPComponent.STATSFILE, "UTF-8");
+                statsFile.write("<html><body><h2>Threads: " + Thread.activeCount() + "</h2>");
+                statsFile.write("<h2>Out (" + XMPPComponent.outConnections.size() + ")</h2><table border=1><tr><th>to</th><th>sid</th><th>inactive</th><th>out packets</th><th>out bytes</th></tr>");
+
+                long now = System.currentTimeMillis();
+
+                synchronized (XMPPComponent.outConnections) {
+                    for (Iterator<ConnectionOut> i = XMPPComponent.outConnections.iterator(); i.hasNext();) {
+                        ConnectionOut c = i.next();
+                        int inactive = (int) ((double) (now - c.tsLocalData) / 1000.0);
+                        if (inactive > 900) {
+                            c.closeConnection();
+                            i.remove();
+                        } else {
+                            statsFile.write("  <tr>");
+                            statsFile.write("    <td>" + c.to + "</td>\n");
+                            statsFile.write("    <td>" + c.streamID + "</td>\n");
+                            statsFile.write("    <td>" + inactive + "</td>\n");
+                            statsFile.write("    <td>" + c.packetsLocal + "</td>\n");
+                            statsFile.write("    <td>" + c.bytesLocal + "</td>\n");
+                            statsFile.write("  <tr>");
+                        }
+                    }
+                }
+
+                statsFile.write("</table><h2>In (" + XMPPComponent.inConnections.size() + ")</h2><table border=1><tr><th>from</th><th>sid</th><th>inactive</th><th>in packets</th></tr>");
+
+                synchronized (XMPPComponent.inConnections) {
+                    for (Iterator<ConnectionIn> i = XMPPComponent.inConnections.iterator(); i.hasNext();) {
+                        ConnectionIn c = i.next();
+                        int inactive = (int) ((double) (now - c.tsRemoteData) / 1000.0);
+                        if (inactive > 900) {
+                            c.closeConnection();
+                            i.remove();
+                        } else {
+                            statsFile.write("  <tr>");
+                            if (c.from.isEmpty()) {
+                                statsFile.write("    <td>&nbsp;</td>\n");
+                            } else if (c.from.size() == 1) {
+                                statsFile.write("    <td>" + c.from.get(0) + "</td>\n");
+                            } else {
+                                String out = "    <td>";
+                                for (int n = 0; n < c.from.size(); n++) {
+                                    if (n > 0) {
+                                        out += "<br/>";
+                                    }
+                                    out += c.from.get(n);
+                                }
+                                statsFile.write(out + "</td>\n");
+                            }
+                            statsFile.write("    <td>" + c.streamID + "</td>\n");
+                            statsFile.write("    <td>" + inactive + "</td>\n");
+                            statsFile.write("    <td>" + c.packetsRemote + "</td>\n");
+                            statsFile.write("  <tr>");
+                        }
+                    }
+                }
+
+                statsFile.write("</table><h2>Cache (" + XMPPComponent.outCache.size() + ")</h2><table border=1><tr><th>host</th><th>live</th><th>size</th></tr>");
+
+                synchronized (XMPPComponent.outCache) {
+                    for (Iterator<CacheEntry> i = XMPPComponent.outCache.iterator(); i.hasNext();) {
+                        CacheEntry c = i.next();
+                        int inactive = (int) ((double) (now - c.tsCreated) / 1000.0);
+                        if (inactive > 600) {
+                            i.remove();
+                        } else {
+                            statsFile.write("<tr><td>" + c.hostname + "</td><td>" + inactive + "</td><td>" + c.xml.length() + "</td></tr>");
+                        }
+                    }
+                }
+
+                statsFile.write("</table></body></html>");
+                statsFile.close();
+
+                try {
+                    Thread.sleep(10000);
+                } catch (InterruptedException e) {
+                }
+            } catch (FileNotFoundException e) {
+            } catch (UnsupportedEncodingException e) {
+            }
+        }
+    }
+}
diff --git a/src/main/java/com/juick/xmpp/s2s/Connection.java b/src/main/java/com/juick/xmpp/s2s/Connection.java
new file mode 100644
index 00000000..699e52bf
--- /dev/null
+++ b/src/main/java/com/juick/xmpp/s2s/Connection.java
@@ -0,0 +1,99 @@
+package com.juick.xmpp.s2s;
+
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.OutputStreamWriter;
+import java.net.Socket;
+import java.util.Date;
+import javax.crypto.Mac;
+import javax.crypto.spec.SecretKeySpec;
+import org.xmlpull.mxp1.MXParser;
+import org.xmlpull.v1.XmlPullParser;
+
+/**
+ *
+ * @author ugnich
+ */
+public class Connection {
+
+    public String streamID;
+    public long tsCreated = 0;
+    public long tsLocalData = 0;
+    public long bytesLocal = 0;
+    public long packetsLocal = 0;
+    Socket socket;
+    final XmlPullParser parser = new MXParser();
+    OutputStreamWriter writer;
+
+    public Connection() {
+        tsCreated = System.currentTimeMillis();
+    }
+
+    public void logXml(String xml) {
+        try {
+            FileWriter logFile = new FileWriter(XMPPComponent.LOGFILE, true);
+            logFile.write(new Date().toString() + "\t" + streamID + "\t" + xml);
+            logFile.close();
+        } catch (IOException e) {
+        }
+    }
+
+    public void logParser() {
+        if (streamID == null) {
+            return;
+        }
+        String tag = "IN: <" + parser.getName();
+        for (int i = 0; i < parser.getAttributeCount(); i++) {
+            tag += " " + parser.getAttributeName(i) + "=\"" + parser.getAttributeValue(i) + "\"";
+        }
+        tag += ">...</" + parser.getName() + ">\n";
+        logXml(tag);
+    }
+
+    public void sendStanza(String xml) throws IOException {
+        if (XMPPComponent.LOGFILE != null && streamID != null) {
+            logXml("OUT: " + xml + "\n");
+        }
+        writer.write(xml);
+        writer.flush();
+        tsLocalData = System.currentTimeMillis();
+        bytesLocal += xml.length();
+        packetsLocal++;
+    }
+
+    void closeConnection() {
+        if (XMPPComponent.LOGFILE != null && streamID != null) {
+            logXml("CLOSING STREAM\n");
+        }
+
+        try {
+            writer.write("</stream:stream>");
+        } catch (Exception e) {
+        }
+
+        try {
+            writer.close();
+        } catch (Exception e) {
+        }
+
+        try {
+            socket.close();
+        } catch (Exception e) {
+        }
+    }
+
+    static String generateDialbackKey(String to, String from, String id) throws Exception {
+        Mac hmacSha256 = Mac.getInstance("hmacSHA256");
+
+        SecretKeySpec secret_key = new SecretKeySpec("$UppPerSeCCret4".getBytes(), "SHA-256");
+        hmacSha256.init(secret_key);
+        byte key[] = hmacSha256.doFinal((to + " " + from + " " + id).getBytes());
+
+        StringBuilder hexkey = new StringBuilder();
+        for (int i = 0; i < key.length; i++) {
+            hexkey.append(Integer.toHexString(0xFF & key[i]));
+        }
+
+        return hexkey.toString();
+    }
+}
diff --git a/src/main/java/com/juick/xmpp/s2s/ConnectionIn.java b/src/main/java/com/juick/xmpp/s2s/ConnectionIn.java
new file mode 100644
index 00000000..8150cc27
--- /dev/null
+++ b/src/main/java/com/juick/xmpp/s2s/ConnectionIn.java
@@ -0,0 +1,181 @@
+package com.juick.xmpp.s2s;
+
+import com.juick.xmpp.Iq;
+import com.juick.xmpp.JID;
+import com.juick.xmpp.Message;
+import com.juick.xmpp.Presence;
+import com.juick.xmpp.utils.XmlUtils;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.net.Socket;
+import java.util.ArrayList;
+import java.util.UUID;
+import org.xmlpull.v1.XmlPullParser;
+
+/**
+ *
+ * @author ugnich
+ */
+public class ConnectionIn extends Connection implements Runnable {
+
+    final public ArrayList<String> from = new ArrayList<String>();
+    public long tsRemoteData = 0;
+    public long packetsRemote = 0;
+
+    public ConnectionIn(Socket socket) {
+        super();
+        this.socket = socket;
+        streamID = UUID.randomUUID().toString();
+    }
+
+    @Override
+    public void run() {
+        System.out.println("STREAM FROM ? " + streamID + " START");
+        try {
+            parser.setInput(new InputStreamReader(socket.getInputStream()));
+            writer = new OutputStreamWriter(socket.getOutputStream());
+
+            parser.next(); // stream:stream
+            updateTsRemoteData();
+            if (!parser.getName().equals("stream:stream")
+                    || !parser.getAttributeValue(null, "xmlns").equals("jabber:server")
+                    || !parser.getAttributeValue(null, "xmlns:stream").equals("http://etherx.jabber.org/streams")
+                    || !parser.getAttributeValue(null, "xmlns:db").equals("jabber:server:dialback")) {
+//                    || !parser.getAttributeValue(null, "version").equals("1.0")
+//                    || !parser.getAttributeValue(null, "to").equals(Main.HOSTNAME)) {
+                throw new Exception("STREAM FROM ? " + streamID + " INVALID FIRST PACKET");
+            }
+            boolean xmppversionnew = parser.getAttributeValue(null, "version") != null;
+
+            String openStream = "<?xml version='1.0'?><stream:stream xmlns='jabber:server' " +
+                    "xmlns:stream='http://etherx.jabber.org/streams' xmlns:db='jabber:server:dialback' from='" +
+                    XMPPComponent.HOSTNAME + "' id='" + streamID + "' version='1.0'>";
+            if (xmppversionnew) {
+                openStream += "<stream:features></stream:features>";
+            }
+            sendStanza(openStream);
+
+            while (parser.next() != XmlPullParser.END_DOCUMENT) {
+                updateTsRemoteData();
+                if (parser.getEventType() != XmlPullParser.START_TAG) {
+                    continue;
+                }
+
+                if (XMPPComponent.LOGFILE != null) {
+                    logParser();
+                }
+
+                packetsRemote++;
+
+                String tag = parser.getName();
+                if (tag.equals("db:result")) {
+                    String dfrom = parser.getAttributeValue(null, "from");
+                    String to = parser.getAttributeValue(null, "to");
+                    System.out.println("STREAM FROM " + dfrom + " TO " + to + " " + streamID + " ASKING FOR DIALBACK");
+                    if (dfrom.endsWith(XMPPComponent.HOSTNAME) && (dfrom.equals(XMPPComponent.HOSTNAME) || dfrom.endsWith("." + XMPPComponent.HOSTNAME))) {
+                        break;
+                    }
+                    if (dfrom != null && to != null && to.equals(XMPPComponent.HOSTNAME)) {
+                        String dbKey = XmlUtils.getTagText(parser);
+                        updateTsRemoteData();
+
+                        ConnectionOut c = XMPPComponent.getConnectionOut(dfrom, false);
+                        if (c != null) {
+                            c.sendDialbackVerify(streamID, dbKey);
+                        } else {
+                            c = new ConnectionOut(dfrom, streamID, dbKey);
+                            new Thread(c).start();
+                        }
+                    } else {
+                        throw new Exception("STREAM FROM " + dfrom + " " + streamID + " DIALBACK RESULT FAIL");
+                    }
+                } else if (tag.equals("db:verify")) {
+                    String vfrom = parser.getAttributeValue(null, "from");
+                    String vto = parser.getAttributeValue(null, "to");
+                    String vid = parser.getAttributeValue(null, "id");
+                    String vkey = XmlUtils.getTagText(parser);
+                    updateTsRemoteData();
+                    boolean valid = false;
+                    if (vfrom != null && vto != null && vid != null && vkey != null) {
+                        String vkey2 = generateDialbackKey(vfrom, vto, vid);
+                        valid = vkey.equals(vkey2);
+                    }
+                    if (valid) {
+                        sendStanza("<db:verify from='" + vto + "' to='" + vfrom + "' id='" + vid + "' type='valid'/>");
+                        System.out.println("STREAM FROM " + vfrom + " " + streamID + " DIALBACK VERIFY VALID");
+                    } else {
+                        sendStanza("<db:verify from='" + vto + "' to='" + vfrom + "' id='" + vid + "' type='invalid'/>");
+                        System.err.println("STREAM FROM " + vfrom + " " + streamID + " DIALBACK VERIFY INVALID");
+                    }
+                } else if (tag.equals("presence") && checkFromTo(parser)) {
+                    Presence p = Presence.parse(parser, null);
+                    if (p != null && (p.type == null || !p.type.equals(Presence.Type.error))) {
+                        JuickBot.incomingPresence(p);
+                    }
+                } else if (tag.equals("message") && checkFromTo(parser)) {
+                    updateTsRemoteData();
+                    Message msg = Message.parse(parser, XMPPComponent.childParsers);
+                    if (msg != null && (msg.type == null || !msg.type.equals(Message.Type.error))) {
+                        System.out.println("STREAM " + streamID + ": " + msg.toString());
+                        if (!JuickBot.incomingMessage(msg)) {
+                            XMPPComponent.connRouter.sendStanza(msg.toString());
+                        }
+                    }
+                } else if (tag.equals("iq") && checkFromTo(parser)) {
+                    updateTsRemoteData();
+                    String type = parser.getAttributeValue(null, "type");
+                    String xml = XmlUtils.parseToString(parser, true);
+                    if (type == null || !type.equals(Iq.Type.error)) {
+                        System.out.println("STREAM " + streamID + ": " + xml);
+                        XMPPComponent.connRouter.sendStanza(xml);
+                    }
+                } else {
+                    System.out.println("STREAM " + streamID + ": " + XmlUtils.parseToString(parser, true));
+                }
+            }
+            System.err.println("STREAM " + streamID + " FINISHED");
+            XMPPComponent.removeConnectionIn(this);
+            closeConnection();
+        } catch (Exception e) {
+            System.err.println("STREAM " + streamID + " ERROR:" + e.toString());
+            e.printStackTrace();
+            XMPPComponent.removeConnectionIn(this);
+            closeConnection();
+        }
+    }
+
+    void updateTsRemoteData() {
+        tsRemoteData = System.currentTimeMillis();
+    }
+
+    public void sendDialbackResult(String sfrom, String type) {
+        try {
+            sendStanza("<db:result from='" + XMPPComponent.HOSTNAME + "' to='" + sfrom + "' type='" + type + "'/>");
+            if (type.equals("valid")) {
+                from.add(sfrom);
+                System.out.println("STREAM FROM " + sfrom + " " + streamID + " READY");
+            }
+        } catch (IOException e) {
+            System.err.println("STREAM FROM " + sfrom + " " + streamID + " ERROR: " + e.toString());
+        }
+    }
+
+    boolean checkFromTo(XmlPullParser parser) throws Exception {
+        String cfrom = parser.getAttributeValue(null, "from");
+        String cto = parser.getAttributeValue(null, "to");
+        if (cfrom != null && cto != null && !cfrom.isEmpty() && !cto.isEmpty()) {
+            JID jidto = new JID(cto);
+            if (jidto.Host != null && jidto.Username != null && jidto.Host.equals(XMPPComponent.HOSTNAME) && jidto.Username.matches("^[a-zA-Z0-9\\-]{2,16}$")) {
+                JID jidfrom = new JID(cfrom);
+                int size = from.size();
+                for (int i = 0; i < size; i++) {
+                    if (from.get(i).equals(jidfrom.Host)) {
+                        return true;
+                    }
+                }
+            }
+        }
+        return false;
+    }
+}
diff --git a/src/main/java/com/juick/xmpp/s2s/ConnectionListener.java b/src/main/java/com/juick/xmpp/s2s/ConnectionListener.java
new file mode 100644
index 00000000..f29b8d09
--- /dev/null
+++ b/src/main/java/com/juick/xmpp/s2s/ConnectionListener.java
@@ -0,0 +1,28 @@
+package com.juick.xmpp.s2s;
+
+import java.io.IOException;
+import java.net.ServerSocket;
+import java.net.Socket;
+
+/**
+ *
+ * @author ugnich
+ */
+public class ConnectionListener implements Runnable {
+
+    @Override
+    public void run() {
+        try {
+            ServerSocket listener = new ServerSocket(5269);
+            while (true) {
+                Socket sock = listener.accept();
+                ConnectionIn conn = new ConnectionIn(sock);
+                XMPPComponent.addConnectionIn(conn);
+                Thread t = new Thread(conn);
+                t.start();
+            }
+        } catch (IOException e) {
+            System.out.println("IOException on socket listen: " + e.toString());
+        }
+    }
+}
diff --git a/src/main/java/com/juick/xmpp/s2s/ConnectionOut.java b/src/main/java/com/juick/xmpp/s2s/ConnectionOut.java
new file mode 100644
index 00000000..2626b926
--- /dev/null
+++ b/src/main/java/com/juick/xmpp/s2s/ConnectionOut.java
@@ -0,0 +1,122 @@
+package com.juick.xmpp.s2s;
+
+import com.juick.xmpp.utils.XmlUtils;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.net.Socket;
+import org.xmlpull.v1.XmlPullParser;
+
+/**
+ *
+ * @author ugnich
+ */
+public class ConnectionOut extends Connection implements Runnable {
+
+    public boolean streamReady = false;
+    public String to;
+    String checkSID = null;
+    String dbKey = null;
+
+    public ConnectionOut(String hostname) {
+        super();
+        to = hostname;
+    }
+
+    public ConnectionOut(String hostname, String checkSID, String dbKey) {
+        super();
+        to = hostname;
+        this.checkSID = checkSID;
+        this.dbKey = dbKey;
+    }
+
+    @Override
+    public void run() {
+        System.out.println("STREAM TO " + to + " START");
+
+        try {
+            HostnamePort addr = DNSQueries.getServerAddress(to);
+            socket = new Socket(addr.hostname, addr.port);
+
+            parser.setInput(new InputStreamReader(socket.getInputStream()));
+            writer = new OutputStreamWriter(socket.getOutputStream());
+
+            sendStanza("<?xml version='1.0'?><stream:stream xmlns='jabber:server' " +
+                    "xmlns:stream='http://etherx.jabber.org/streams' xmlns:db='jabber:server:dialback' from='" +
+                    XMPPComponent.HOSTNAME + "' to='" + to + "' version='1.0'>");
+
+            parser.next(); // stream:stream
+            streamID = parser.getAttributeValue(null, "id");
+            if (streamID == null || streamID.isEmpty()) {
+                throw new Exception("STREAM TO " + to + " INVALID FIRST PACKET");
+            }
+
+            System.out.println("STREAM TO " + to + " " + streamID + " OPEN");
+            XMPPComponent.addConnectionOut(this);
+
+            if (checkSID != null) {
+                sendDialbackVerify(checkSID, dbKey);
+            }
+
+            sendStanza("<db:result from='" + XMPPComponent.HOSTNAME + "' to='" + to + "'>" + generateDialbackKey(to, XMPPComponent.HOSTNAME, streamID) + "</db:result>");
+
+            while (parser.next() != XmlPullParser.END_DOCUMENT) {
+                if (parser.getEventType() != XmlPullParser.START_TAG) {
+                    continue;
+                }
+
+                if (XMPPComponent.LOGFILE != null) {
+                    logParser();
+                }
+
+                String tag = parser.getName();
+                if (tag.equals("db:result")) {
+                    String type = parser.getAttributeValue(null, "type");
+                    if (type != null && type.equals("valid")) {
+                        streamReady = true;
+                        System.out.println("STREAM TO " + to + " " + streamID + " READY");
+
+                        String cache = XMPPComponent.getFromCache(to);
+                        if (cache != null) {
+                            System.out.println("STREAM TO " + to + " " + streamID + " SENDING CACHE");
+                            sendStanza(cache);
+                        }
+
+                    } else {
+                        System.out.println("STREAM TO " + to + " " + streamID + " DIALBACK FAIL");
+                    }
+                    XmlUtils.skip(parser);
+                } else if (tag.equals("db:verify")) {
+                    String from = parser.getAttributeValue(null, "from");
+                    String type = parser.getAttributeValue(null, "type");
+                    String sid = parser.getAttributeValue(null, "id");
+                    if (from != null && from.equals(to) && sid != null && !sid.isEmpty() && type != null) {
+                        ConnectionIn c = XMPPComponent.getConnectionIn(sid);
+                        if (c != null) {
+                            c.sendDialbackResult(from, type);
+                        }
+                    }
+                    XmlUtils.skip(parser);
+                } else {
+                    System.out.println("STREAM TO " + to + " " + streamID + ": " + XmlUtils.parseToString(parser, true));
+                }
+            }
+
+            System.err.println("STREAM TO " + to + " " + streamID + " FINISHED");
+            XMPPComponent.removeConnectionOut(this);
+            closeConnection();
+        } catch (Exception e) {
+            System.err.println(e.toString());
+            XMPPComponent.removeConnectionOut(this);
+            closeConnection();
+        }
+    }
+
+    public void sendDialbackVerify(String sid, String key) {
+        try {
+            sendStanza("<db:verify from='" + XMPPComponent.HOSTNAME + "' to='" + to + "' id='" + sid + "'>" + key + "</db:verify>");
+        } catch (IOException e) {
+            System.err.println("STREAM TO " + to + " " + streamID + " ERROR: " + e.toString());
+        }
+    }
+}
diff --git a/src/main/java/com/juick/xmpp/s2s/ConnectionRouter.java b/src/main/java/com/juick/xmpp/s2s/ConnectionRouter.java
new file mode 100644
index 00000000..d8ce0daf
--- /dev/null
+++ b/src/main/java/com/juick/xmpp/s2s/ConnectionRouter.java
@@ -0,0 +1,256 @@
+package com.juick.xmpp.s2s;
+
+import com.juick.server.MessagesQueries;
+import com.juick.server.SubscriptionsQueries;
+import com.juick.xmpp.JID;
+import com.juick.xmpp.Message;
+import com.juick.xmpp.extensions.JuickMessage;
+import com.juick.xmpp.extensions.Nickname;
+import com.juick.xmpp.extensions.XOOB;
+import com.juick.xmpp.utils.SHA1;
+import com.juick.xmpp.utils.XmlUtils;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.net.Socket;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.xmlpull.v1.XmlPullParser;
+
+/**
+ *
+ * @author ugnich
+ */
+public class ConnectionRouter extends Connection implements Runnable {
+
+    @Override
+    public void run() {
+        System.out.println("STREAM ROUTER START");
+
+        try {
+            socket = new Socket("localhost", 5347);
+            parser.setInput(new InputStreamReader(socket.getInputStream()));
+            parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
+            writer = new OutputStreamWriter(socket.getOutputStream());
+
+            String msg = "<stream:stream xmlns='jabber:component:accept' xmlns:stream='http://etherx.jabber.org/streams' to='s2s'>";
+            writer.write(msg);
+            writer.flush();
+
+            parser.next(); // stream:stream
+            streamID = parser.getAttributeValue(null, "id");
+            if (streamID == null || streamID.isEmpty()) {
+                throw new Exception("FAIL ON FIRST PACKET");
+            }
+
+            msg = "<handshake>" + SHA1.encode(streamID + "secret") + "</handshake>";
+            writer.write(msg);
+            writer.flush();
+
+            parser.next();
+            if (!parser.getName().equals("handshake")) {
+                throw new Exception("NO HANDSHAKE");
+            }
+            XmlUtils.skip(parser);
+            System.out.println("STREAM ROUTER OPEN");
+
+            while (parser.next() != XmlPullParser.END_DOCUMENT) {
+                if (parser.getEventType() != XmlPullParser.START_TAG) {
+                    continue;
+                }
+
+                String tag = parser.getName();
+                String to = parser.getAttributeValue(null, "to");
+                if (to != null && (tag.equals("message") || tag.equals("presence") || tag.equals("iq"))) {
+                    JID jid = new JID(to);
+                    if (jid.Host != null) {
+                        if (jid.Host.equals(XMPPComponent.COMPONENTNAME)) {
+                            if (tag.equals("message")) {
+                                Message xmsg = Message.parse(parser, XMPPComponent.childParsers);
+                                System.out.println("STREAM ROUTER (PROCESS): " + xmsg.toString());
+                                JuickMessage jmsg = (JuickMessage) xmsg.getChild(JuickMessage.XMLNS);
+                                if (jmsg != null) {
+                                    if (jid.Username != null && jid.Username.equals("recomm")) {
+                                        sendJuickRecommendation(jmsg);
+                                    } else {
+                                        if (jmsg.getRID() > 0) {
+                                            sendJuickComment(jmsg);
+                                        } else if (jmsg.getMID() > 0) {
+                                            sendJuickMessage(jmsg);
+                                        }
+                                    }
+                                }
+                            }
+                        } else if (jid.Host.endsWith(XMPPComponent.HOSTNAME) && (jid.Host.equals(XMPPComponent.HOSTNAME) || jid.Host.endsWith("." + XMPPComponent.HOSTNAME))) {
+                            String xml = XmlUtils.parseToString(parser, true);
+                            System.out.println("STREAM ROUTER: " + xml);
+                        } else {
+                            String xml = XmlUtils.parseToString(parser, true);
+                            System.out.println("STREAM ROUTER (OUT): " + xml);
+                            XMPPComponent.sendOut(jid.Host, xml);
+                        }
+                    } else {
+                        System.out.println("STREAM ROUTER (NO TO): " + XmlUtils.parseToString(parser, true));
+                    }
+                } else {
+                    System.out.println("STREAM ROUTER: " + XmlUtils.parseToString(parser, true));
+                }
+            }
+
+            System.err.println("STREAM ROUTER FINISHED");
+        } catch (Exception e) {
+            System.err.println("STREAM ROUTER PARSE ERROR: " + e.toString());
+        }
+        System.exit(0);
+    }
+
+    @Override
+    synchronized public void sendStanza(String xml) {
+        try {
+            writer.write(xml);
+            writer.flush();
+        } catch (IOException e) {
+            System.err.println("STREAM ROUTER ERROR: " + xml);
+            System.err.println("STREAM ROUTER ERROR: " + e.toString());
+            System.exit(0);
+        }
+    }
+
+    public void sendJuickMessage(JuickMessage jmsg) {
+        List<String> jids;
+
+        synchronized (XMPPComponent.sqlSync) {
+            if (jmsg.FriendsOnly) {
+                jids = SubscriptionsQueries.getJIDSubscribedToUser(XMPPComponent.sql, jmsg.getUser().getUID(), jmsg.FriendsOnly);
+            } else {
+                jids = SubscriptionsQueries.getJIDSubscribedToUserAndTags(XMPPComponent.sql, jmsg.getUser().getUID(), jmsg.getMID());
+            }
+        }
+
+        String txt = "@" + jmsg.getUser().getUName() + ":" + jmsg.getTagsString() + "\n";
+        String attachment = jmsg.getAttachmentURL();
+        if (attachment != null) {
+            txt += attachment + "\n";
+        }
+        txt += jmsg.getText() + "\n\n";
+        txt += "#" + jmsg.getMID() + " http://juick.com/" + jmsg.getMID();
+
+        Nickname nick = new Nickname();
+        nick.Nickname = "@" + jmsg.getUser().getUName();
+
+        com.juick.xmpp.Message msg = new com.juick.xmpp.Message();
+        msg.from = JuickBot.JuickJID;
+        msg.body = txt;
+        msg.type = Message.Type.chat;
+        msg.thread = "juick-" + jmsg.getMID();
+        msg.addChild(jmsg);
+        msg.addChild(nick);
+        if (attachment != null) {
+            XOOB oob = new XOOB();
+            oob.URL = attachment;
+            msg.addChild(oob);
+        }
+
+        for (int i = 0; i < jids.size(); i++) {
+            msg.to = new JID(jids.get(i));
+            XMPPComponent.sendOut(msg);
+        }
+    }
+
+    public void sendJuickComment(JuickMessage jmsg) {
+        List<String> jids;
+        String replyQuote;
+
+        synchronized (XMPPComponent.sqlSync) {
+            jids = SubscriptionsQueries.getJIDSubscribedToComments(XMPPComponent.sql, jmsg.getMID(), jmsg.getUser().getUID());
+            replyQuote = getReplyQuote(XMPPComponent.sql, jmsg.getMID(), jmsg.ReplyTo);
+        }
+
+        String txt = "Reply by @" + jmsg.getUser().getUName() + ":\n" + replyQuote + "\n";
+        String attachment = jmsg.getAttachmentURL();
+        if (attachment != null) {
+            txt += attachment + "\n";
+        }
+        txt += jmsg.getText() + "\n\n" + "#" + jmsg.getMID() + "/" + jmsg.getRID() + " http://juick.com/" + jmsg.getMID() + "#" + jmsg.getRID();
+
+        com.juick.xmpp.Message msg = new com.juick.xmpp.Message();
+        msg.from = JuickBot.JuickJID;
+        msg.body = txt;
+        msg.type = Message.Type.chat;
+        msg.addChild(jmsg);
+        for (int i = 0; i < jids.size(); i++) {
+            msg.to = new JID(jids.get(i));
+            XMPPComponent.sendOut(msg);
+        }
+    }
+
+    private String getReplyQuote(java.sql.Connection sql, int MID, int ReplyTo) {
+        String quote = "";
+        if (ReplyTo > 0) {
+            com.juick.Message q = MessagesQueries.getReply(sql, MID, ReplyTo);
+            if (q != null) {
+                quote = q.getText();
+            }
+        } else {
+            com.juick.Message q = MessagesQueries.getMessage(sql, MID);
+            if (q != null) {
+                quote = q.getText();
+            }
+        }
+        if (quote.length() > 50) {
+            quote = ">" + quote.substring(0, 47).replace('\n', ' ') + "...\n";
+        } else if (quote.length() > 0) {
+            quote = ">" + quote.replace('\n', ' ') + "\n";
+        }
+        return quote;
+    }
+
+    public void sendJuickRecommendation(JuickMessage recomm) {
+        List<String> jids;
+        JuickMessage jmsg;
+        synchronized (XMPPComponent.sqlSync) {
+            jmsg = new JuickMessage(MessagesQueries.getMessage(XMPPComponent.sql, recomm.getMID()));
+            jids = SubscriptionsQueries.getJIDSubscribedToUserRecommendations(XMPPComponent.sql,
+                    recomm.getUser().getUID(), recomm.getMID(), jmsg.getUser().getUID());
+        }
+
+        String txt = "Recommended by @" + recomm.getUser().getUName() + ":\n";
+        txt += "@" + jmsg.getUser().getUName() + ":" + jmsg.getTagsString() + "\n";
+        String attachment = jmsg.getAttachmentURL();
+        if (attachment != null) {
+            txt += attachment + "\n";
+        }
+        txt += jmsg.getText() + "\n\n";
+        txt += "#" + jmsg.getMID();
+        if (jmsg.Replies > 0) {
+            if (jmsg.Replies % 10 == 1 && jmsg.Replies % 100 != 11) {
+                txt += " (" + jmsg.Replies + " reply)";
+            } else {
+                txt += " (" + jmsg.Replies + " replies)";
+            }
+        }
+        txt += " http://juick.com/" + jmsg.getMID();
+
+        Nickname nick = new Nickname();
+        nick.Nickname = "@" + jmsg.getUser().getUName();
+
+        com.juick.xmpp.Message msg = new com.juick.xmpp.Message();
+        msg.from = JuickBot.JuickJID;
+        msg.body = txt;
+        msg.type = Message.Type.chat;
+        msg.thread = "juick-" + jmsg.getMID();
+        msg.addChild(jmsg);
+        msg.addChild(nick);
+        if (attachment != null) {
+            XOOB oob = new XOOB();
+            oob.URL = attachment;
+            msg.addChild(oob);
+        }
+
+        for (int i = 0; i < jids.size(); i++) {
+            msg.to = new JID(jids.get(i));
+            XMPPComponent.sendOut(msg);
+        }
+    }
+}
diff --git a/src/main/java/com/juick/xmpp/s2s/DNSQueries.java b/src/main/java/com/juick/xmpp/s2s/DNSQueries.java
new file mode 100644
index 00000000..2b2d60e0
--- /dev/null
+++ b/src/main/java/com/juick/xmpp/s2s/DNSQueries.java
@@ -0,0 +1,46 @@
+package com.juick.xmpp.s2s;
+
+import java.net.UnknownHostException;
+import java.util.Hashtable;
+import java.util.Random;
+import javax.naming.NamingException;
+import javax.naming.directory.Attribute;
+import javax.naming.directory.DirContext;
+import javax.naming.directory.InitialDirContext;
+
+/**
+ *
+ * @author ugnich
+ */
+public class DNSQueries {
+
+    private static Random rand = new Random();
+
+    public static HostnamePort getServerAddress(String hostname) throws UnknownHostException {
+
+        String host = hostname;
+        int port = 5269;
+
+        try {
+            Hashtable<String, String> env = new Hashtable<String, String>(5);
+            env.put("java.naming.factory.initial", "com.sun.jndi.dns.DnsContextFactory");
+            DirContext ctx = new InitialDirContext(env);
+            Attribute att = ctx.getAttributes("_xmpp-server._tcp." + hostname, new String[]{"SRV"}).get("SRV");
+
+            if (att != null && att.size() > 0) {
+                int i = rand.nextInt(att.size());
+                try {
+                    String srv[] = att.get(i).toString().split(" ");
+                    port = Integer.parseInt(srv[2]);
+                    host = srv[3];
+                } catch (Exception e) {
+                }
+            }
+
+            ctx.close();
+        } catch (NamingException e) {
+        }
+
+        return new HostnamePort(host, port);
+    }
+}
diff --git a/src/main/java/com/juick/xmpp/s2s/HostnamePort.java b/src/main/java/com/juick/xmpp/s2s/HostnamePort.java
new file mode 100644
index 00000000..ce020f8d
--- /dev/null
+++ b/src/main/java/com/juick/xmpp/s2s/HostnamePort.java
@@ -0,0 +1,16 @@
+package com.juick.xmpp.s2s;
+
+/**
+ *
+ * @author ugnich
+ */
+public class HostnamePort {
+
+    public String hostname;
+    public int port;
+
+    public HostnamePort(String hostname, int port) {
+        this.hostname = hostname;
+        this.port = port;
+    }
+}
diff --git a/src/main/java/com/juick/xmpp/s2s/JuickBot.java b/src/main/java/com/juick/xmpp/s2s/JuickBot.java
new file mode 100644
index 00000000..182de10d
--- /dev/null
+++ b/src/main/java/com/juick/xmpp/s2s/JuickBot.java
@@ -0,0 +1,403 @@
+package com.juick.xmpp.s2s;
+
+import com.juick.User;
+import com.juick.server.PMQueries;
+import com.juick.server.TagQueries;
+import com.juick.server.UserQueries;
+import com.juick.xmpp.JID;
+import com.juick.xmpp.Message;
+import com.juick.xmpp.Presence;
+import com.juick.xmpp.extensions.Error;
+import com.juick.xmpp.extensions.JuickMessage;
+
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ *
+ * @author ugnich
+ */
+public class JuickBot {
+
+    public static final JID JuickJID = new JID("juick", "juick.com", "Juick");
+    private static final String HELPTEXT =
+            "@username text - Send private message\n"
+            + "*tagname Blah-blah-blah - Post a message with tag 'tagname'\n"
+            + "#1234 Blah-blah-blah - Answer to message #1234\n"
+            + "#1234/5 Blah - Answer to reply #1234/5\n"
+            + "! #1234 - Recommend post\n"
+            + "\n"
+            + "# - Show last messages from your feed (## - second page, ...)\n"
+            + "@ - Show recomendations and popular personal blogs\n"
+            + "* - Show your tags\n"
+            + "#1234 - Show message\n"
+            + "#1234+ - Show message with replies\n"
+            + "@username - Show user's info\n"
+            + "@username+ - Show user's info and last 10 messages\n"
+            + "@username *tag - User's messages with this tag\n"
+            + "*tag - Show last 10 messages with this tag\n"
+            + "? blah - Search posts for 'blah'\n"
+            + "? @username blah - Searching among user\'s posts for 'blah'\n"
+            + "D #123 - Delete message\n"
+            + "D #123/45 - Delete reply\n"
+            + "DL - Delete last message/reply\n"
+            + "S - Show your subscriptions\n"
+            + "S #123 - Subscribe to message replies\n"
+            + "S @username - Subscribe to user's blog\n"
+            + "U #123 - Unsubscribe from comments\n"
+            + "U @username - Unsubscribe from user's blog\n"
+            + "BL - Show your blacklist\n"
+            + "BL @username - Add/delete user to/from your blacklist\n"
+            + "BL *tag - Add/delete tag to/from your blacklist\n"
+            + "ON / OFF - Enable/disable subscriptions delivery\n"
+            + "PING - Pong\n"
+            + "\n"
+            + "Read more: http://juick.com/help/";
+
+    public static boolean incomingPresence(Presence p) {
+        final String username = p.to.Username.toLowerCase();
+        final boolean toJuick = username.equals("juick");
+
+        if (p.type == null) {
+            Presence reply = new Presence();
+            reply.from = new JID(p.to.Username, p.to.Host, null);
+            reply.to = new JID(p.from.Username, p.from.Host, null);
+            reply.type = Presence.Type.unsubscribe;
+            XMPPComponent.sendOut(reply);
+            return true;
+        } else if (p.type.equals(Presence.Type.probe)) {
+            int uid_to = 0;
+            if (!toJuick) {
+                synchronized (XMPPComponent.sqlSync) {
+                    uid_to = UserQueries.getUIDbyName(XMPPComponent.sql, username);
+                }
+            }
+
+            if (toJuick || uid_to > 0) {
+                Presence reply = new Presence();
+                reply.from = p.to;
+                reply.from.Resource = "Juick";
+                reply.to = p.from;
+                reply.priority = 10;
+                XMPPComponent.sendOut(reply);
+            } else {
+                Presence reply = new Presence(p.to, p.from, Presence.Type.error);
+                reply.id = p.id;
+                reply.addChild(new Error(Error.Type.cancel, "item-not-found"));
+                XMPPComponent.sendOut(reply);
+                return true;
+            }
+            return true;
+        } else if (p.type.equals(Presence.Type.subscribe)) {
+            boolean canSubscribe = false;
+            if (toJuick) {
+                canSubscribe = true;
+            } else {
+                synchronized (XMPPComponent.sqlSync) {
+                    int uid_to = UserQueries.getUIDbyName(XMPPComponent.sql, username);
+                    if (uid_to > 0) {
+                        PMQueries.addPMinRoster(XMPPComponent.sql, uid_to, p.from.Bare());
+                        canSubscribe = true;
+                    }
+                }
+            }
+
+            if (canSubscribe) {
+                Presence reply = new Presence(p.to, p.from, Presence.Type.subscribed);
+                XMPPComponent.sendOut(reply);
+
+                reply.from.Resource = "Juick";
+                reply.priority = 10;
+                reply.type = null;
+                XMPPComponent.sendOut(reply);
+
+                return true;
+            } else {
+                Presence reply = new Presence(p.to, p.from, Presence.Type.error);
+                reply.id = p.id;
+                reply.addChild(new Error(Error.Type.cancel, "item-not-found"));
+                XMPPComponent.sendOut(reply);
+                return true;
+            }
+        } else if (p.type.equals(Presence.Type.unsubscribe)) {
+            if (!toJuick) {
+                synchronized (XMPPComponent.sqlSync) {
+                    int uid_to = UserQueries.getUIDbyName(XMPPComponent.sql, username);
+                    if (uid_to > 0) {
+                        PMQueries.removePMinRoster(XMPPComponent.sql, uid_to, p.from.Bare());
+                    }
+                }
+            }
+
+            Presence reply = new Presence(p.to, p.from, Presence.Type.unsubscribed);
+            XMPPComponent.sendOut(reply);
+        }
+
+        return false;
+    }
+
+    public static boolean incomingMessage(Message msg) {
+        if (msg.body == null || msg.body.isEmpty()) {
+            return true;
+        }
+
+        String username = msg.to.Username.toLowerCase();
+
+        User user_from = null;
+        String signuphash = "";
+        synchronized (XMPPComponent.sqlSync) {
+            user_from = UserQueries.getUserByJID(XMPPComponent.sql, msg.from.Bare());
+            if (user_from == null) {
+                signuphash = UserQueries.getSignUpHashByJID(XMPPComponent.sql, msg.from.Bare());
+            }
+        }
+
+        if (user_from == null) {
+            Message reply = new Message(msg.to, msg.from, Message.Type.chat);
+            if (username.equals("juick")) {
+                reply.body = "Для того, чтобы начать пользоваться сервисом, пожалуйста пройдите быструю регистрацию: http://juick.com/signup?type=xmpp&hash=" + signuphash + "\nЕсли у вас уже есть учетная запись на Juick, вы сможете присоединить этот JabberID к ней.\n\nTo start using Juick, please sign up: http://juick.com/signup?type=xmpp&hash=" + signuphash + "\nIf you already have an account on Juick, you will be proposed to attach this JabberID to your existing account.";
+            } else {
+                reply.body = "Внимание, системное сообщение!\nВаш JabberID не обнаружен в списке доверенных. Для того, чтобы отправить сообщение пользователю " + username + "@juick.com, пожалуйста зарегистрируйте свой JabberID в системе: http://juick.com/signup?type=xmpp&hash=" + signuphash + "\nЕсли у вас уже есть учетная запись на Juick, вы сможете присоединить этот JabberID к ней.\n\nWarning, system message!\nYour JabberID is not found in our server's white list. To send a message to " + username + "@juick.com, please sign up: http://juick.com/signup?type=xmpp&hash=" + signuphash + "\nIf you already have an account on Juick, you will be proposed to attach this JabberID to your existing account.";
+            }
+            XMPPComponent.sendOut(reply);
+            return true;
+        }
+
+        if (username.equals("juick")) {
+            return incomingMessageJuick(user_from, msg);
+        }
+
+        int uid_to = 0;
+        synchronized (XMPPComponent.sqlSync) {
+            uid_to = UserQueries.getUIDbyName(XMPPComponent.sql, username);
+        }
+
+        if (uid_to == 0) {
+            Message reply = new Message(msg.to, msg.from, Message.Type.error);
+            reply.id = msg.id;
+            reply.addChild(new Error(Error.Type.cancel, "item-not-found"));
+            XMPPComponent.sendOut(reply);
+            return true;
+        }
+
+        boolean success = false;
+        synchronized (XMPPComponent.sqlSync) {
+            if (!UserQueries.isInBLAny(XMPPComponent.sql, uid_to, user_from.getUID())) {
+                success = PMQueries.createPM(XMPPComponent.sql, user_from.getUID(), uid_to, msg.body);
+            }
+        }
+
+        if (success) {
+            Message m = new Message();
+            m.from = new JID("juick", "juick.com", null);
+            m.to = new JID(Integer.toString(uid_to), "push.juick.com", null);
+            JuickMessage jmsg = new JuickMessage();
+            synchronized (XMPPComponent.sqlSync) {
+                jmsg.setUser(UserQueries.getUserByUID(XMPPComponent.sql, user_from.getUID()));
+            }
+            jmsg.setText(msg.body);
+            m.childs.add(jmsg);
+            XMPPComponent.connRouter.sendStanza(m.toString());
+
+            m.to.Host = "ws.juick.com";
+            XMPPComponent.connRouter.sendStanza(m.toString());
+
+            String jid;
+            boolean inroster = false;
+            synchronized (XMPPComponent.sqlSync) {
+                jid = UserQueries.getJIDbyUID(XMPPComponent.sql, uid_to);
+                if (jid != null) {
+                    inroster = PMQueries.havePMinRoster(XMPPComponent.sql, user_from.getUID(), jid);
+                }
+            }
+
+            if (jid != null) {
+                Message mm = new Message();
+                mm.to = new JID(jid);
+                mm.type = Message.Type.chat;
+                if (inroster) {
+                    mm.from = new JID(jmsg.getUser().getUName(), "juick.com", "Juick");
+                    mm.body = msg.body;
+                } else {
+                    mm.from = new JID("juick", "juick.com", "Juick");
+                    mm.body = "Private message from @" + jmsg.getUser().getUName() + ":\n" + msg.body;
+                }
+                XMPPComponent.sendOut(mm);
+            }
+
+        } else {
+            Message reply = new Message(msg.to, msg.from, Message.Type.error);
+            reply.id = msg.id;
+            reply.addChild(new Error(Error.Type.cancel, "not-allowed"));
+            XMPPComponent.sendOut(reply);
+        }
+
+        return true;
+    }
+    private static Pattern regexPM = Pattern.compile("^\\@(\\S+)\\s+([\\s\\S]+)$");
+
+    public static boolean incomingMessageJuick(User user_from, Message msg) {
+        String command = msg.body.trim();
+        int commandlen = command.length();
+
+        // COMPATIBILITY
+        if (commandlen > 7 && command.substring(0, 3).equalsIgnoreCase("PM ")) {
+            command = command.substring(3).trim();
+            commandlen = command.length();
+        }
+
+        if (commandlen == 4) {
+            if (command.equalsIgnoreCase("PING")) {
+                commandPing(msg);
+                return true;
+            } else if (command.equalsIgnoreCase("HELP")) {
+                commandHelp(msg);
+                return true;
+            }
+        } else if (commandlen == 5 && command.equalsIgnoreCase("LOGIN")) {
+            commandLogin(msg, user_from);
+            return true;
+        } else if (command.charAt(0) == '@') {
+            Matcher matchPM = regexPM.matcher(command);
+            if (matchPM.find()) {
+                String user_to = matchPM.group(1);
+                String msgtxt = matchPM.group(2);
+                commandPM(msg, user_from, user_to, msgtxt);
+                return true;
+            }
+        } else if (commandlen == 2 && command.equalsIgnoreCase("BL")) {
+            commandBLShow(msg, user_from);
+            return true;
+        }
+
+        return false;
+    }
+
+    private static void commandPing(Message m) {
+        Presence p = new Presence(JuickJID, m.from);
+        p.priority = 10;
+        XMPPComponent.sendOut(p);
+
+        Message reply = new Message(JuickJID, m.from, Message.Type.chat);
+        reply.body = "PONG";
+        XMPPComponent.sendOut(reply);
+    }
+
+    private static void commandHelp(Message m) {
+        Message reply = new Message(JuickJID, m.from, Message.Type.chat);
+        reply.body = HELPTEXT;
+        XMPPComponent.sendOut(reply);
+    }
+
+    private static void commandLogin(Message m, User user_from) {
+        Message reply = new Message(JuickJID, m.from, Message.Type.chat);
+        reply.body = "http://juick.com/login?" + UserQueries.getHashByUID(XMPPComponent.sql, user_from.getUID());
+        XMPPComponent.sendOut(reply);
+    }
+
+    private static void commandPM(Message m, User user_from, String user_to, String body) {
+        int ret = 0;
+
+        int uid_to = 0;
+        String jid_to = null;
+        boolean haveInRoster = false;
+
+        synchronized (XMPPComponent.sqlSync) {
+            if (user_to.indexOf('@') > 0) {
+                uid_to = UserQueries.getUIDbyJID(XMPPComponent.sql, user_to);
+            } else {
+                uid_to = UserQueries.getUIDbyName(XMPPComponent.sql, user_to);
+            }
+
+            if (uid_to > 0) {
+                if (!UserQueries.isInBLAny(XMPPComponent.sql, uid_to, user_from.getUID())) {
+                    if (PMQueries.createPM(XMPPComponent.sql, user_from.getUID(), uid_to, body)) {
+                        jid_to = UserQueries.getJIDbyUID(XMPPComponent.sql, uid_to);
+                        if (jid_to != null) {
+                            haveInRoster = PMQueries.havePMinRoster(XMPPComponent.sql, user_from.getUID(), jid_to);
+                        }
+                        ret = 200;
+                    } else {
+                        ret = 500;
+                    }
+                } else {
+                    ret = 403;
+                }
+            } else {
+                ret = 404;
+            }
+        }
+
+        if (ret == 200) {
+            Message msg = new Message();
+            msg.from = new JID("juick", "juick.com", null);
+            msg.to = new JID(Integer.toString(uid_to), "push.juick.com", null);
+            JuickMessage jmsg = new JuickMessage();
+            jmsg.setUser(user_from);
+            jmsg.setText(body);
+            msg.childs.add(jmsg);
+            XMPPComponent.connRouter.sendStanza(msg.toString());
+
+            msg.to.Host = "ws.juick.com";
+            XMPPComponent.connRouter.sendStanza(msg.toString());
+
+            if (jid_to != null) {
+                Message mm = new Message();
+                mm.to = new JID(jid_to);
+                mm.type = Message.Type.chat;
+                if (haveInRoster) {
+                    mm.from = new JID(user_from.getUName(), "juick.com", "Juick");
+                    mm.body = body;
+                } else {
+                    mm.from = new JID("juick", "juick.com", "Juick");
+                    mm.body = "Private message from @" + user_from.getUName() + ":\n" + body;
+                }
+                XMPPComponent.sendOut(mm);
+            }
+        }
+
+        Message reply = new Message(m.to, m.from);
+        if (ret == 200) {
+            reply.type = m.type;
+            reply.body = "Private message sent";
+        } else {
+            reply.type = Message.Type.error;
+            reply.body = "Error " + ret;
+        }
+        XMPPComponent.sendOut(reply);
+    }
+
+    private static void commandBLShow(Message m, User user_from) {
+        List<User> blusers;
+        List<String> bltags;
+
+        synchronized (XMPPComponent.sqlSync) {
+            blusers = UserQueries.getUserBLUsers(XMPPComponent.sql, user_from.getUID());
+            bltags = TagQueries.getUserBLTags(XMPPComponent.sql, user_from.getUID());
+        }
+
+        String txt = "";
+        if (bltags.size() > 0) {
+            for (int i = 0; i < bltags.size(); i++) {
+                txt += "*" + bltags.get(i) + "\n";
+            }
+
+            if (blusers.size() > 0) {
+                txt += "\n";
+            }
+        }
+        if (blusers.size() > 0) {
+            for (int i = 0; i < blusers.size(); i++) {
+                txt += "@" + blusers.get(i).getUName() + "\n";
+            }
+        }
+        if (txt.isEmpty()) {
+            txt = "You don't have any users or tags in your blacklist.";
+        }
+
+        Message reply = new Message(JuickJID, m.from, Message.Type.chat);
+        reply.body = txt;
+        XMPPComponent.sendOut(reply);
+    }
+}
diff --git a/src/main/java/com/juick/xmpp/s2s/Shutdown.java b/src/main/java/com/juick/xmpp/s2s/Shutdown.java
new file mode 100644
index 00000000..fb3543f8
--- /dev/null
+++ b/src/main/java/com/juick/xmpp/s2s/Shutdown.java
@@ -0,0 +1,45 @@
+package com.juick.xmpp.s2s;
+
+import java.sql.SQLException;
+import java.util.Iterator;
+
+/**
+ *
+ * @author ugnich
+ */
+public class Shutdown extends Thread {
+
+    @Override
+    public void run() {
+        System.out.println("SHUTTING DOWN");
+
+        synchronized (XMPPComponent.outConnections) {
+            for (Iterator<ConnectionOut> i = XMPPComponent.outConnections.iterator(); i.hasNext();) {
+                ConnectionOut c = i.next();
+                c.closeConnection();
+                i.remove();
+            }
+        }
+
+        synchronized (XMPPComponent.inConnections) {
+            for (Iterator<ConnectionIn> i = XMPPComponent.inConnections.iterator(); i.hasNext();) {
+                ConnectionIn c = i.next();
+                c.closeConnection();
+                i.remove();
+            }
+        }
+
+        XMPPComponent.connRouter.closeConnection();
+
+        synchronized (XMPPComponent.sqlSync) {
+            if (XMPPComponent.sql != null) {
+                try {
+                    XMPPComponent.sql.close();
+                    XMPPComponent.sql = null;
+                } catch (SQLException e) {
+                    System.err.println("SQL ERROR: " + e);
+                }
+            }
+        }
+    }
+}
diff --git a/src/main/java/com/juick/xmpp/s2s/XMPPComponent.java b/src/main/java/com/juick/xmpp/s2s/XMPPComponent.java
new file mode 100644
index 00000000..d2504c25
--- /dev/null
+++ b/src/main/java/com/juick/xmpp/s2s/XMPPComponent.java
@@ -0,0 +1,191 @@
+package com.juick.xmpp.s2s;
+
+import com.juick.xmpp.Stanza;
+import com.juick.xmpp.StanzaChild;
+import com.juick.xmpp.extensions.JuickMessage;
+
+import javax.servlet.ServletContextEvent;
+import javax.servlet.ServletContextListener;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.sql.DriverManager;
+import java.util.Collections;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Properties;
+
+/**
+ *
+ * @author ugnich
+ */
+public class XMPPComponent implements ServletContextListener {
+
+    public static String HOSTNAME = null;
+    public static String COMPONENTNAME = null;
+    public static String LOGFILE = null;
+    public static String STATSFILE = null;
+    public static ConnectionRouter connRouter;
+    static final List<ConnectionIn> inConnections = Collections.synchronizedList(new ArrayList<ConnectionIn>());
+    static final List<ConnectionOut> outConnections = Collections.synchronizedList(new ArrayList<ConnectionOut>());
+    static final List<CacheEntry> outCache = Collections.synchronizedList(new ArrayList<CacheEntry>());
+    static final Integer sqlSync = 0;
+    static java.sql.Connection sql;
+    final public static HashMap<String, StanzaChild> childParsers = new HashMap<String, StanzaChild>();
+
+    public static void main(String[] args) {
+        new XMPPComponent().start();
+    }
+
+    public static void addConnectionIn(ConnectionIn c) {
+        synchronized (inConnections) {
+            inConnections.add(c);
+        }
+    }
+
+    public static void addConnectionOut(ConnectionOut c) {
+        synchronized (outConnections) {
+            outConnections.add(c);
+        }
+    }
+
+    public static void removeConnectionIn(ConnectionIn c) {
+        synchronized (inConnections) {
+            inConnections.remove(c);
+        }
+    }
+
+    public static void removeConnectionOut(ConnectionOut c) {
+        synchronized (outConnections) {
+            outConnections.remove(c);
+        }
+    }
+
+    public static String getFromCache(String hostname) {
+        CacheEntry ret = null;
+        synchronized (outCache) {
+            for (Iterator<CacheEntry> i = outCache.iterator(); i.hasNext();) {
+                CacheEntry c = i.next();
+                if (c.hostname != null && c.hostname.equals(hostname)) {
+                    ret = c;
+                    i.remove();
+                    break;
+                }
+            }
+        }
+        return (ret != null) ? ret.xml : null;
+    }
+
+    public static ConnectionOut getConnectionOut(String hostname, boolean needReady) {
+        synchronized (outConnections) {
+            for (Iterator<ConnectionOut> i = outConnections.iterator(); i.hasNext();) {
+                ConnectionOut c = i.next();
+                if (c.to != null && c.to.equals(hostname) && (!needReady || c.streamReady)) {
+                    return c;
+                }
+            }
+        }
+        return null;
+    }
+
+    public static ConnectionIn getConnectionIn(String streamID) {
+        synchronized (inConnections) {
+            for (Iterator<ConnectionIn> i = inConnections.iterator(); i.hasNext();) {
+                ConnectionIn c = i.next();
+                if (c.streamID != null && c.streamID.equals(streamID)) {
+                    return c;
+                }
+            }
+        }
+        return null;
+    }
+
+    public static void sendOut(Stanza s) {
+        sendOut(s.to.Host, s.toString());
+    }
+
+    public static void sendOut(String hostname, String xml) {
+        boolean haveAnyConn = false;
+
+        ConnectionOut connOut = null;
+        synchronized (outConnections) {
+            for (Iterator<ConnectionOut> i = outConnections.iterator(); i.hasNext();) {
+                ConnectionOut c = i.next();
+                if (c.to != null && c.to.equals(hostname)) {
+                    if (c.streamReady) {
+                        connOut = c;
+                        break;
+                    } else {
+                        haveAnyConn = true;
+                        break;
+                    }
+                }
+            }
+        }
+        if (connOut != null) {
+            try {
+                connOut.sendStanza(xml);
+            } catch (IOException e) {
+                System.err.println("STREAM TO " + connOut.to + " " + connOut.streamID + " ERROR: " + e.toString());
+            }
+            return;
+        }
+
+        boolean haveCache = false;
+        synchronized (outCache) {
+            for (Iterator<CacheEntry> i = outCache.iterator(); i.hasNext();) {
+                CacheEntry c = i.next();
+                if (c.hostname != null && c.hostname.equals(hostname)) {
+                    c.xml += xml;
+                    c.tsUpdated = System.currentTimeMillis();
+                    haveCache = true;
+                    break;
+                }
+            }
+            if (!haveCache) {
+                outCache.add(new CacheEntry(hostname, xml));
+            }
+        }
+
+        if (!haveAnyConn) {
+            new Thread(new ConnectionOut(hostname)).start();
+        }
+    }
+
+    public void start() {
+        try {
+            Properties conf = new Properties();
+            conf.load(new FileInputStream("/etc/juick/s2s.conf"));
+            HOSTNAME = conf.getProperty("hostname");
+            COMPONENTNAME = conf.getProperty("componentname");
+            LOGFILE = conf.getProperty("logfile");
+            STATSFILE = conf.getProperty("statsfile");
+
+            Class.forName("com.mysql.jdbc.Driver");
+            sql = DriverManager.getConnection("jdbc:mysql://localhost/juick?autoReconnect=true&user=" + conf.getProperty("mysql_username", "") + "&password=" + conf.getProperty("mysql_password", ""));
+
+            Runtime.getRuntime().addShutdownHook(new Shutdown());
+
+            childParsers.put(JuickMessage.XMLNS, new JuickMessage());
+
+            connRouter = new ConnectionRouter();
+            new Thread(connRouter).start();
+            new Thread(new ConnectionListener()).start();
+            new Thread(new CleaningUp()).start();
+
+        } catch (Exception e) {
+            System.err.println(e);
+        }
+    }
+
+    @Override
+    public void contextInitialized(ServletContextEvent sce) {
+
+    }
+
+    @Override
+    public void contextDestroyed(ServletContextEvent sce) {
+
+    }
+}
author	Vitaly Takmazov	2016-01-26 20:09:27 +0300
committer	Vitaly Takmazov	2016-01-26 20:09:27 +0300
commit	75d80dc433348435c1f8e11fafb0d1deda1ca793 (patch)
tree	c06a67e2bcf6e10bf12f7caabcd43280df2d91ab /src/main/java/com/juick/xmpp
parent	bace08c34252bffd3a575ca86b2b2f420165a81b (diff)