Added >=1.20.5 versions support

Author: Andcool-Systems

src/main/java/com/andcool/handlers/LoginStartHandler.java

@@ -17,6 +17,6 @@ public static void handleLoginStart(ChannelHandlerContext ctx, ByteBuf in, Sessi
         String nickname = ByteBufUtils.readUTF8(in);
         OAuthServer.logger.log(Level.DEBUG, format("Login start for: %s (protocol version %s)", nickname, session.protocolVersion));
         session.nickname = nickname;
-        EncryptionRequest.sendEncryptionRequest(ctx);
+        EncryptionRequest.sendEncryptionRequest(ctx, session.protocolVersion);
     }
 }

src/main/java/com/andcool/pipeline/EncryptionRequest.java

@@ -9,7 +9,7 @@
 import java.io.IOException;
 
 public class EncryptionRequest {
-    public static void sendEncryptionRequest(ChannelHandlerContext ctx) throws IOException {
+    public static void sendEncryptionRequest(ChannelHandlerContext ctx, int protocolVersion) throws IOException {
         ByteBuf out = ctx.alloc().buffer();
         ByteBufUtils.writeVarInt(out, 0x01); // Packet ID
         ByteBufUtils.writeUTF8(out, UserConfig.SERVER_ID); // Server ID
@@ -21,6 +21,10 @@ public static void sendEncryptionRequest(ChannelHandlerContext ctx) throws IOExc
         ByteBufUtils.writeVarInt(out, OAuthServer.VERIFY_TOKEN.length);
         out.writeBytes(OAuthServer.VERIFY_TOKEN);
 
+        if (protocolVersion >= 	766) {
+            out.writeBoolean(true);
+        }
+
         ByteBufUtils.sendPacket(ctx, out);
     }
 }