ok extension support works

src/main/extensions/Extension.java

@@ -70,6 +70,7 @@ public abstract class Extension {
                 byte[] headerandbody = new byte[length + 4];
 
                 int amountRead = 0;
+
                 while (amountRead < length) {
                     amountRead += dIn.read(headerandbody, 4 + amountRead, Math.min(dIn.available(), length - amountRead));
                 }
@@ -118,10 +119,6 @@ public abstract class Extension {
                     HMessage habboMessage = new HMessage(stringifiedMessage);
                     HPacket habboPacket = habboMessage.getPacket();
 
-                    lastwrapper = packet;
-                    lastM = habboMessage;
-                    last = habboPacket;
-
                     Map<Integer, List<MessageListener>> listeners =
                             habboMessage.getDestination() == HMessage.Side.TOCLIENT ?
                                     incomingMessageListeners :
@@ -130,12 +127,14 @@ public abstract class Extension {
                     if (listeners.containsKey(-1)) { // registered on all packets
                         for (int i = listeners.get(-1).size() - 1; i >= 0; i--) {
                             listeners.get(-1).get(i).act(habboMessage);
+                            habboMessage.getPacket().setReadIndex(6);
                         }
                     }
 
                     if (listeners.containsKey(habboPacket.headerId())) {
                         for (int i = listeners.get(habboPacket.headerId()).size() - 1; i >= 0; i--) {
                             listeners.get(habboPacket.headerId()).get(i).act(habboMessage);
+                            habboMessage.getPacket().setReadIndex(6);
                         }
                     }
 
@@ -143,6 +142,7 @@ public abstract class Extension {
                     response.appendLongString(habboMessage.stringify());
 
                     writeToStream(response.toBytes());
+
                 }
             }
 
@@ -162,7 +162,7 @@ public abstract class Extension {
     }
 
     private void writeToStream(byte[] bytes) throws IOException {
-        synchronized (out) {
+        synchronized (this) {
             out.write(bytes);
         }
     }

src/main/extensions/SimpleTestExtension.java

@@ -1,5 +1,8 @@
 package main.extensions;
 
+import main.protocol.HMessage;
+import main.protocol.HPacket;
+
 /**
  * Created by Jonas on 24/06/18.
  */
@@ -16,6 +19,22 @@ public class SimpleTestExtension extends Extension {
     @Override
     protected void init() {
         System.out.println("init");
+
+        intercept(HMessage.Side.TOSERVER, 1926, this::onSendMessage);
+    }
+
+    private void onSendMessage(HMessage message) {
+        HPacket packet = message.getPacket();
+
+        String watchasaid = packet.readString();
+
+        System.out.println("you said: " + watchasaid);
+
+        if (watchasaid.equals("blocked")) {
+            message.setBlocked(true);
+        }
+
+        packet.replaceString(6, "@cyan@" + watchasaid);
     }
 
     @Override

src/main/protocol/HMessage.java

@@ -57,7 +57,7 @@ public class HMessage implements StringifyAble {
 
     @Override
     public void constructFromString(String str) {
-        String[] parts = str.split("\t");
+        String[] parts = str.split("\t", 4);
         this.isBlocked = parts[0].equals("1");
         this.index = Integer.parseInt(parts[1]);
         this.side = parts[2].equals("TOCLIENT") ? Side.TOCLIENT : Side.TOSERVER;

src/main/protocol/HPacket.java

@@ -780,14 +780,15 @@ public class HPacket implements StringifyAble {
 
     @Override
     public String stringify() {
-        String st = (isEdited ? "1" : "0") + this.toString();
+        String st = null;
+        st = (isEdited ? "1" : "0") + new String(packetInBytes, StandardCharsets.ISO_8859_1);
         return st;
     }
 
     @Override
     public void constructFromString(String str) {
         this.isEdited = str.charAt(0) == '1';
-        packetInBytes = fromStringToBytes(str.substring(1));
+        packetInBytes = str.substring(1).getBytes(StandardCharsets.ISO_8859_1);
     }
 
     @Override
@@ -797,4 +798,36 @@ public class HPacket implements StringifyAble {
         HPacket packet2 = (HPacket) object;
         return Arrays.equals(packetInBytes, packet2.packetInBytes) && (isEdited == packet2.isEdited);
     }
+
+    public static void main(String[] args) {
+//        HPacket packet = new HPacket("{l}{u:500}{i:4}{s:heey}{b:false}");
+//        System.out.println(packet);
+//
+//        String stringified = packet.stringify();
+//        System.out.println("stringified: " + stringified);
+//        System.out.println(stringified.length());
+//
+//
+//        HPacket packet1 = new HPacket(new byte[0]);
+//        packet1.constructFromString(stringified);
+//
+//        System.out.println(packet1);
+//        System.out.println(packet.equals(packet1));
+
+        HPacket packet = new HPacket(555);
+        for (int i = -128; i < 128; i++) {
+            packet.appendByte((byte)i);
+        }
+        System.out.println(packet);
+
+        String stringified = packet.stringify();
+        System.out.println(stringified.length());
+
+
+        HPacket packet1 = new HPacket(new byte[0]);
+        packet1.constructFromString(stringified);
+
+        System.out.println(packet1);
+        System.out.println(packet.equals(packet1));
+    }
 }

src/main/ui/extensions/Extensions.java

@@ -148,15 +148,15 @@ public class Extensions extends SubForm {
                     @Override
                     public void act(HPacket packet) {
                         if (packet.headerId() == INCOMING_MESSAGES_IDS.MANIPULATEDPACKET) {
-                            String stringifiedresponse = packet.readLongString();
+                            String stringifiedresponse = packet.readLongString(6);
                             HMessage responseMessage = new HMessage(stringifiedresponse);
                             if (responseMessage.getDestination() == message.getDestination() && responseMessage.getIndex() == message.getIndex()) {
                                 if (!message.equals(responseMessage)) {
                                     message.constructFromString(stringifiedresponse);
+                                }
                                 if (responseMessage.isBlocked()) {
                                     isblock[0] = true;
                                 }
-                                }
                                 synchronized (collection) {
                                     collection.remove(extension);
                                 }

src/main/ui/extensions/GEarthExtension.java

@@ -30,7 +30,7 @@ public class GEarthExtension {
 
         new Thread(() -> {
             try {
-                synchronized (connection.getOutputStream()) {
+                synchronized (connection) {
                     connection.getOutputStream().write((new HPacket(Extensions.OUTGOING_MESSAGES_IDS.INFOREQUEST)).toBytes());
                 }
 
@@ -96,6 +96,7 @@ public class GEarthExtension {
 
                     for (int i = receiveMessageListeners.size() - 1; i >= 0; i--) {
                         receiveMessageListeners.get(i).act(packet);
+                        packet.setReadIndex(6);
                     }
 
                 }
@@ -150,7 +151,7 @@ public class GEarthExtension {
 
     public boolean sendMessage(HPacket message) {
         try {
-            synchronized (connection.getOutputStream()) {
+            synchronized (this) {
                 connection.getOutputStream().write(message.toBytes());
             }
             return true;

src/main/ui/extensions/GEarthExtensionsRegistrer.java

@@ -9,11 +9,19 @@ import java.net.Socket;
  */
 public class GEarthExtensionsRegistrer {
 
-    final ServerSocket serverSocket;
+    private ServerSocket serverSocket;
 
     GEarthExtensionsRegistrer(ExtensionRegisterObserver observer) throws IOException {
 
-        serverSocket = new ServerSocket(0);
+//        serverSocket = new ServerSocket(0);
+        int port = 9092;
+        boolean serverSetup = false;
+        while (!serverSetup) {
+            serverSetup = createServer(port);
+            port++;
+        }
+
+
         new Thread(() -> {
             try {
                 while (!serverSocket.isClosed()) {
@@ -24,6 +32,15 @@ public class GEarthExtensionsRegistrer {
         }).start();
     }
 
+    private boolean createServer(int port) {
+        try {
+            serverSocket = new ServerSocket(port);
+            return true;
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
     public int getPort() {
         return serverSocket.getLocalPort();
     }