init

pom.xml

@@ -0,0 +1,90 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>net.krakatoa.proxy</groupId>
+  <artifactId>KrakatoaProxySystem</artifactId>
+  <version>1.0-SNAPSHOT</version>
+
+  <properties>
+    <maven.compiler.source>14</maven.compiler.source>
+    <maven.compiler.target>14</maven.compiler.target>
+  </properties>
+
+  <build>
+    <defaultGoal>clean install</defaultGoal>
+    <plugins>
+      <plugin>
+        <artifactId>maven-assembly-plugin</artifactId>
+        <configuration>
+          <descriptorRefs>
+            <descriptorRef>jar-with-dependencies</descriptorRef>
+          </descriptorRefs>
+        </configuration>
+        <executions>
+          <execution>
+            <goals>
+              <goal>single</goal>
+            </goals>
+            <id>make-assembly</id>
+            <phase>package</phase>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <configuration>
+          <source>9</source>
+          <target>9</target>
+        </configuration>
+        <groupId>org.apache.maven.plugins</groupId>
+      </plugin>
+    </plugins>
+  </build>
+
+  <dependencies>
+    <dependency>
+      <groupId>net.md-5</groupId>
+      <artifactId>bungeecord-api</artifactId>
+      <version>1.17-R0.1-SNAPSHOT</version>
+      <type>jar</type>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <artifactId>lombok</artifactId>
+      <groupId>org.projectlombok</groupId>
+      <scope>provided</scope>
+      <version>1.18.22</version>
+    </dependency>
+    <dependency>
+      <artifactId>Java-WebSocket</artifactId>
+      <groupId>org.java-websocket</groupId>
+      <version>1.5.2</version> <!-- 1.5.1 -->
+    </dependency>
+    <dependency>
+      <artifactId>mongodb-driver-async</artifactId>
+      <groupId>org.mongodb</groupId>
+      <version>3.12.10</version> <!-- 3.0.4 -->
+    </dependency>
+  </dependencies>
+
+  <repositories>
+    <repository>
+      <id>bungeecord-repo</id>
+      <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+    </repository>
+    <!-- https://github.com/TooTallNate/Java-WebSocket -->
+    <repository>
+      <id>sonatype-nexus-snapshots</id>
+      <releases>
+        <enabled>false</enabled>
+      </releases>
+      <snapshots>
+        <enabled>true</enabled>
+      </snapshots>
+      <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+    </repository>
+  </repositories>
+</project>

src/main/java/net/krakatoa/proxy/ProxySystem.java

@@ -0,0 +1,99 @@
+package net.krakatoa.proxy;
+
+import com.mongodb.async.client.MongoCollection;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.Arrays;
+import lombok.Getter;
+import lombok.SneakyThrows;
+import net.krakatoa.proxy.command.CodeCommand;
+import net.krakatoa.proxy.config.ConfigHandler;
+import net.krakatoa.proxy.listener.PlayerDisconnectListener;
+import net.krakatoa.proxy.listener.PostLoginListener;
+import net.krakatoa.proxy.mongo.MongoManager;
+import net.krakatoa.proxy.protocol.KraProtocol;
+import net.krakatoa.proxy.socket.SocketClient;
+import net.krakatoa.proxy.util.Formatter;
+import net.md_5.bungee.api.plugin.Plugin;
+import net.md_5.bungee.api.plugin.PluginManager;
+import org.bson.Document;
+
+@Getter
+public class ProxySystem extends Plugin {
+
+  @Getter
+  private static ProxySystem instance;
+
+  private ConfigHandler configHandler;
+  private MongoManager mongoManager;
+  private SocketClient socketClient;
+  private KraProtocol kraProtocol;
+  private Formatter formatter;
+
+  private MongoCollection<Document> players;
+
+  @SneakyThrows
+  @Override
+  public void onEnable() {
+    instance = this;
+
+    configHandler = new ConfigHandler();
+    configHandler.load();
+
+    kraProtocol = new KraProtocol();
+    formatter = new Formatter();
+
+    System.out.println(
+        "mongo cfg " + configHandler.getMongodbHost() + " " + configHandler.getMongodbUsername());
+
+    mongoManager = new MongoManager(configHandler.getMongodbHost(),
+        configHandler.getMongodbPort(), configHandler.getMongodbUsername(),
+        configHandler.getMongodbPassword());
+    mongoManager.connect(configHandler.getMongodbDatabase());
+
+    try {
+      socketClient = new SocketClient(
+          new URI(configHandler.getWebSocketProtocol() + "://" + configHandler.getWebSocketHost()
+              + ":" + configHandler.getWebSocketPort() + "/ws?t="
+              + configHandler.getWebSocketAccessKey() + "&s=proxy-1"));
+    } catch (URISyntaxException e) {
+      e.printStackTrace();
+    }
+
+    socketClient.connect();
+
+    players = mongoManager.getMongoDatabase().getCollection("players");
+
+    loadListeners();
+    loadCommands();
+  }
+
+  @Override
+  public void onDisable() {
+    socketClient.getConnection().close();
+    socketClient.getConnection().closeConnection(1, "");
+
+    instance = null;
+  }
+
+  public void loadListeners() {
+    PluginManager pluginManager = getProxy().getPluginManager();
+    Arrays.asList(new PostLoginListener(), new PlayerDisconnectListener())
+        .forEach(listener -> {
+          pluginManager.registerListener(this, listener);
+        });
+  }
+
+  public void loadCommands() {
+    PluginManager pluginManager = getProxy().getPluginManager();
+    Arrays.asList(new CodeCommand("code")).forEach(listener -> {
+      pluginManager.registerCommand(this, listener);
+    });
+  }
+
+  /*
+  TODO: proxy ping & join only accessible for 1.17.1 clients
+
+   */
+
+}

src/main/java/net/krakatoa/proxy/command/CodeCommand.java

@@ -0,0 +1,60 @@
+package net.krakatoa.proxy.command;
+
+import java.security.SecureRandom;
+import net.md_5.bungee.api.CommandSender;
+import net.md_5.bungee.api.connection.ProxiedPlayer;
+import net.md_5.bungee.api.plugin.Command;
+
+public class CodeCommand extends Command {
+
+  public CodeCommand(String name) {
+    super(name);
+  }
+
+  @Override
+  public void execute(CommandSender commandSender, String[] strings) {
+    if (commandSender instanceof ProxiedPlayer) {
+      ProxiedPlayer proxiedPlayer = (ProxiedPlayer) commandSender;
+
+      /*
+      Document query = new Document().append("uuid", ProxySystem.getInstance().getFormatter()
+          .formatUuid(proxiedPlayer.getUniqueId().toString()));
+
+      String voiceWebCode = generateVoiceWebCode("");
+
+      Bson updates = Updates.combine(Updates.set("voiceWebCode", voiceWebCode));
+
+      UpdateOptions options = new UpdateOptions().upsert(true);
+
+      try {
+        ProxySystem.getInstance().getPlayerRegistrationProcess()
+            .updateOne(query, updates, (updateResult, throwable) -> {
+              System.out.println("Modified document count: " + updateResult.getModifiedCount());
+              System.out.println("Upserted id: "
+                  + updateResult.getUpsertedId()); // only contains a value when an upsert is performed
+            });
+      } catch (MongoException exception) {
+        System.err.println("Unable to update due to an error: " + exception);
+      } */
+
+      // TODO: add url and copy text
+      //proxiedPlayer.sendMessage(new TextComponent("§eNeuer Code §c§l" + voiceWebCode));
+
+    }
+  }
+
+  // TODO: use static method from other file
+  public String generateVoiceWebCode(String uuid) {
+    SecureRandom secureRandom = new SecureRandom();
+
+    String chrs = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+    String customTag = secureRandom.ints(8, 0, chrs.length()).mapToObj(chrs::charAt)
+        .collect(StringBuilder::new, StringBuilder::append, StringBuilder::append).toString();
+
+    System.out.println(customTag);
+
+    return customTag;
+  }
+
+}

src/main/java/net/krakatoa/proxy/config/ConfigHandler.java

@@ -0,0 +1,44 @@
+package net.krakatoa.proxy.config;
+
+import java.io.File;
+import java.io.IOException;
+import lombok.Getter;
+import net.md_5.bungee.config.Configuration;
+import net.md_5.bungee.config.ConfigurationProvider;
+import net.md_5.bungee.config.YamlConfiguration;
+
+@Getter
+public class ConfigHandler {
+
+  private String webSocketAccessKey;
+  private String webSocketProtocol;
+  private String webSocketHost;
+  private int webSocketPort;
+
+  private String webVoiceAddress;
+
+  private String mongodbHost;
+  private int mongodbPort;
+  private String mongodbDatabase;
+  private String mongodbUsername;
+  private String mongodbPassword;
+
+  public void load() throws IOException {
+    // TODO change file to yaml
+    Configuration configuration = ConfigurationProvider.getProvider(YamlConfiguration.class)
+        .load(new File("/home/CloudNet/kraConfigs", "kraSettings.yaml"));
+
+    webSocketAccessKey = configuration.getString("web_socket.access_key");
+    webSocketProtocol = configuration.getString("web_socket.protocol");
+    webSocketHost = configuration.getString("web_socket.host");
+    webSocketPort = configuration.getInt("web_socket.port");
+
+    webVoiceAddress = configuration.getString("web.voice_address");
+
+    mongodbHost = configuration.getString("mongodb.host");
+    mongodbPort = configuration.getInt("mongodb.port");
+    mongodbDatabase = configuration.getString("mongodb.database");
+    mongodbUsername = configuration.getString("mongodb.username");
+    mongodbPassword = configuration.getString("mongodb.password");
+  }
+}

src/main/java/net/krakatoa/proxy/listener/PlayerDisconnectListener.java

@@ -0,0 +1,26 @@
+package net.krakatoa.proxy.listener;
+
+import net.md_5.bungee.api.connection.ProxiedPlayer;
+import net.md_5.bungee.api.event.PlayerDisconnectEvent;
+import net.md_5.bungee.api.plugin.Listener;
+import net.md_5.bungee.event.EventHandler;
+
+public class PlayerDisconnectListener implements Listener {
+
+  @EventHandler
+  public void onDisconnect(PlayerDisconnectEvent event) {
+    ProxiedPlayer proxiedPlayer = event.getPlayer();
+
+    //String uuid = ProxySystem.getInstance().getFormatter()
+    //  .formatUuid(proxiedPlayer.getUniqueId().toString());
+
+    /*
+    ProxySystem.getInstance().getPlayerRegistrationProcess()
+        .deleteOne(Filters.eq("uuid", uuid),
+            (deleteResult, throwable) -> {
+
+              System.out.println("delete " + deleteResult.getDeletedCount());
+            }); */
+  }
+
+}

src/main/java/net/krakatoa/proxy/listener/PostLoginListener.java

@@ -0,0 +1,184 @@
+package net.krakatoa.proxy.listener;
+
+import com.mongodb.client.model.Filters;
+import com.mongodb.client.model.UpdateOptions;
+import com.mongodb.client.model.Updates;
+import java.security.SecureRandom;
+import java.util.concurrent.TimeUnit;
+import java.util.function.Consumer;
+import net.krakatoa.proxy.ProxySystem;
+import net.krakatoa.proxy.protocol.KraProtocolMessage;
+import net.md_5.bungee.api.ProxyServer;
+import net.md_5.bungee.api.chat.ClickEvent;
+import net.md_5.bungee.api.chat.HoverEvent;
+import net.md_5.bungee.api.chat.HoverEvent.Action;
+import net.md_5.bungee.api.chat.TextComponent;
+import net.md_5.bungee.api.chat.hover.content.Text;
+import net.md_5.bungee.api.config.ServerInfo;
+import net.md_5.bungee.api.connection.ProxiedPlayer;
+import net.md_5.bungee.api.event.PostLoginEvent;
+import net.md_5.bungee.api.event.ServerSwitchEvent;
+import net.md_5.bungee.api.plugin.Listener;
+import net.md_5.bungee.event.EventHandler;
+import org.bson.Document;
+import org.bson.conversions.Bson;
+
+public class PostLoginListener implements Listener {
+
+  @EventHandler
+  public void onPostLogin(PostLoginEvent event) {
+    ProxiedPlayer proxiedPlayer = event.getPlayer();
+
+    String uuid = ProxySystem.getInstance().getFormatter()
+        .formatUuid(proxiedPlayer.getUniqueId().toString());
+
+    ProxySystem.getInstance().getPlayers()
+        .find(Filters.eq("uuid", uuid))
+        .first((document, throwable) -> {
+          if (document == null) {
+            // create player in db and send voice url
+            System.out.println("create player in db");
+            String voiceWebCode = generateVoiceWebCode(uuid);
+
+            document = new Document("uuid", uuid).append("voiceWebCode", voiceWebCode);
+
+            ProxySystem.getInstance().getPlayers().insertOne(document, (unused, throwable1) -> {
+              System.out.println("insertOne");
+            });
+
+            sendVoiceWebCodeUrl(proxiedPlayer, voiceWebCode);
+          } else {
+            // check if both sockets connected
+            int cmdID = ProxySystem.getInstance().getKraProtocol().getCmdID();
+
+            ProxySystem.getInstance().getKraProtocol().SendMessage(11, cmdID, 1, uuid, 10, "");
+
+            Document finalDocument = document;
+            Consumer<KraProtocolMessage> consumer = value -> {
+              if (value.getArgs().equals("1")) {
+                // connected! Send player to game server
+                System.out.println(
+                    proxiedPlayer.getName() + " sockets connected! Send player to game server");
+                proxiedPlayer.sendMessage(
+                    new TextComponent("§bWillkommen zurück §6" + proxiedPlayer.getDisplayName()));
+
+                ProxyServer.getInstance().getScheduler().schedule(ProxySystem.getInstance(), () -> {
+                  ServerInfo serverInfos = ProxyServer.getInstance().getServerInfo("NewYork-1");
+                  proxiedPlayer.connect(serverInfos);
+                }, 2L, TimeUnit.SECONDS);
+              } else {
+                // not connected! Send voice url
+                System.out.println(
+                    proxiedPlayer.getName() + " sockets not connected! Send voice url");
+
+                String voiceWebCode = generateVoiceWebCode(uuid);
+
+                Bson updates = Updates.combine(Updates.set("voiceWebCode", voiceWebCode));
+
+                UpdateOptions options = new UpdateOptions().upsert(true);
+
+                ProxySystem.getInstance().getPlayers()
+                    .updateOne(finalDocument, updates, options, (updateResult, throwable1) -> {
+                    });
+
+                System.out.println("voiceWebCode " + voiceWebCode);
+
+                sendVoiceWebCodeUrl(proxiedPlayer, voiceWebCode);
+              }
+
+              System.out.println(
+                  "consumer response value " + value.getUuid() + " " + value.getCmdID());
+            };
+            ProxySystem.getInstance().getKraProtocol().getConsumerHashMap().put(cmdID, consumer);
+          }
+        });
+
+    
+  }
+
+  public void sendVoiceWebCodeUrl(ProxiedPlayer proxiedPlayer, String voiceWebCode) {
+    String url = ProxySystem.getInstance().getConfigHandler()
+        .getWebVoiceAddress() + voiceWebCode;
+
+    TextComponent textComponent = new TextComponent(
+        "Klicke auf den Link, um dich mit dem Voice Server zu verbinden");
+
+    TextComponent linkComponent = new TextComponent(url);
+    linkComponent.setHoverEvent(new HoverEvent(Action.SHOW_TEXT,
+        new Text(url)));
+    linkComponent.setClickEvent(
+        new ClickEvent(ClickEvent.Action.OPEN_URL,
+            url));
+
+    textComponent.addExtra("\n");
+    textComponent.addExtra(linkComponent);
+
+    proxiedPlayer.sendMessage(textComponent);
+  }
+
+  public String generateVoiceWebCode(String uuid) {
+    SecureRandom secureRandom = new SecureRandom();
+
+    String chrs = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+    String customTag = secureRandom.ints(8, 0, chrs.length()).mapToObj(chrs::charAt)
+        .collect(StringBuilder::new, StringBuilder::append, StringBuilder::append).toString();
+
+    System.out.println(customTag);
+
+
+   /* String chrs = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+    SecureRandom secureRandom = SecureRandom.getInstanceStrong();
+
+    String customTag = secureRandom.ints(9, 0, chrs.length()).mapToObj(chrs::charAt)
+        .collect(StringBuilder::new, StringBuilder::append, StringBuilder::append).toString();
+    System.out.println(customTag);
+
+    /*AtomicBoolean avail = new AtomicBoolean(false);
+
+    while (!avail.get()) {
+      System.out.println("while");
+      secureRandom.ints(8, 0, chrs.length()).mapToObj(chrs::charAt)
+          .collect(StringBuilder::new, StringBuilder::append, StringBuilder::append).toString();
+      System.out.println(customTag);
+
+      ProxySystem.getInstance().getPlayerRegistrationProcess().find(Filters.eq("webCode", chrs))
+          .first((document, throwable) -> {
+            if (document == null) {
+              avail.set(true);
+            }
+          });
+    }*/
+
+    return customTag;
+  }
+
+  @EventHandler
+  public void onServerSwitch(ServerSwitchEvent event) {
+    ProxiedPlayer player = event.getPlayer();
+
+    player.sendMessage(
+        new TextComponent("Switched server " + player.getServer().getInfo().getName()));
+  }
+
+  /*
+
+  @EventHandler
+  public void onServerConnect(ServerConnectEvent event) {
+    System.out.println(
+        "REASON " + event.getReason() + " " + event.getPlayer().getUniqueId().toString());
+
+    if (!event.getReason().equals(Reason.JOIN_PROXY)) {
+      System.out.println("return join proxy");
+      return;
+    }
+
+  //  event.setTarget(ProxyServer.getInstance().getServerInfo("NewYork-1"));
+/*
+    ProxySystem.getInstance().getKraProtocol()
+        .SendMessage(11, 10, 0, event.getPlayer().getUniqueId().toString().replaceAll("-", ""), 10,
+            "");
+
+    //event.setTarget(ProxyServer.getInstance().getServerInfo("NewYork-1"));
+  } */
+}

src/main/java/net/krakatoa/proxy/mongo/MongoManager.java

@@ -0,0 +1,39 @@
+package net.krakatoa.proxy.mongo;
+
+import com.mongodb.async.client.MongoClient;
+import com.mongodb.async.client.MongoClients;
+import com.mongodb.async.client.MongoCollection;
+import com.mongodb.async.client.MongoDatabase;
+import lombok.Getter;
+import org.bson.Document;
+
+public class MongoManager {
+
+  private final String hostname;
+  private final int port;
+  private final String username;
+  private final String password;
+
+  @Getter
+  private MongoDatabase mongoDatabase;
+  @Getter
+  private MongoClient mongoClient;
+  @Getter
+  private MongoCollection<Document> players;
+
+  public MongoManager(String hostname, int port, String username, String password) {
+    this.hostname = hostname;
+    this.port = port;
+    this.username = username;
+    this.password = password;
+  }
+
+  public void connect(String database) {
+    mongoClient = MongoClients.create(
+        "mongodb://" + username + ":" + password + "@" + hostname + ":" + port + "/?authSource="
+            + database);
+
+    mongoDatabase = mongoClient.getDatabase(database);
+    players = mongoDatabase.getCollection("players");
+  }
+}

src/main/java/net/krakatoa/proxy/protocol/KraProtocol.java

@@ -0,0 +1,119 @@
+package net.krakatoa.proxy.protocol;
+
+import com.google.common.collect.Lists;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.function.Consumer;
+import lombok.Getter;
+import net.krakatoa.proxy.ProxySystem;
+
+public class KraProtocol {
+
+  @Getter
+  ArrayList<Integer> cmdIDs = Lists.newArrayList();
+
+  @Getter
+  HashMap<Integer, Consumer<KraProtocolMessage>> consumerHashMap = new HashMap<>();
+
+  public int getCmdID() {
+    if (cmdIDs.isEmpty()) {
+      cmdIDs.add(10);
+      return 10;
+    }
+
+    int cmdID = cmdIDs.get(cmdIDs.size() - 1) + 1;
+
+    cmdIDs.add(cmdID);
+
+    // TODO: check max int value 2^32
+
+    return cmdID;
+  }
+
+  public void SendMessage(KraProtocolMessage kraProtocolMessage) {
+    SendMessage(kraProtocolMessage.getStatus(), kraProtocolMessage.getCmdID(),
+        kraProtocolMessage.getDest(), kraProtocolMessage.getUuid(),
+        kraProtocolMessage.getCmdNumber(), kraProtocolMessage.getArgs());
+  }
+
+  public void SendMessage(int status, int cmdID, int dest, String uuid, int cmdNumber,
+      String args) {
+    System.out.println("sendMessage: " + status + " " + cmdID + " " + dest + " " + cmdNumber);
+
+    int argLen = args.length();
+
+    byte[] raw = new byte[40 + argLen];
+
+    raw[0] = (byte) status;
+
+    raw[1] = (byte) cmdID;
+    raw[2] = (byte) (cmdID >> 8);
+    raw[3] = (byte) (cmdID >> 16);
+    raw[4] = (byte) (cmdID >> 24);
+
+    raw[5] = (byte) dest;
+
+    byte[] uuidBytes = uuid.getBytes();
+
+    /* for (int i = 0; i < 32; i++) {
+      raw[6 + i] = uuidBytes[i];
+    }*/
+
+    System.arraycopy(uuidBytes, 0, raw, 6, 32);
+
+    raw[38] = (byte) cmdNumber;
+    raw[39] = (byte) (cmdNumber >> 8);
+
+    if (argLen > 0) {
+      for (int i = 0; i < argLen; i++) {
+        raw[40 + i] = (byte) args.charAt(i);
+      }
+    }
+
+    ProxySystem.getInstance().getSocketClient().SendMessage(raw);
+  }
+
+  public KraProtocolMessage DecodeMessage(byte[] data) {
+    System.out.println("start decode");
+
+    byte status = data[0];
+
+    int cmdID = Byte.toUnsignedInt(data[1]);
+
+    cmdID += Byte.toUnsignedInt(data[2]) * 256;
+    cmdID += Byte.toUnsignedInt(data[3]) * 256 * 256;
+    cmdID += Byte.toUnsignedInt(data[4]) * 256 * 256 * 256;
+
+    int dest = Byte.toUnsignedInt(data[5]);
+
+    byte[] playerUuidBytes = new byte[32];
+
+    System.arraycopy(data, 6, playerUuidBytes, 0, 32);
+
+    /* for (int i = 0; i < 32; i++) {
+      playerUuidBytes[i] = data[6 + i];
+    } */
+
+    String playerUuid = new String(playerUuidBytes, StandardCharsets.UTF_8);
+
+    short cmdNumber = (short) (Byte.toUnsignedInt(data[38]) + (Byte.toUnsignedInt(data[39]) * 256));
+
+    int argLen = data.length - 40;
+    byte[] argsBytes = new byte[argLen];
+
+    /* for (int i = 0; i < argLen; i++) {
+      argsBytes[i] = data[40 + i];
+    } */
+
+    System.arraycopy(data, 40, argsBytes, 0, argLen);
+
+    String args = new String(argsBytes, StandardCharsets.UTF_8);
+
+    System.out.println(
+        "decoded message " + status + " " + cmdID + " " + dest + " " + playerUuid + " "
+            + cmdNumber + " " + args + " ");
+
+    return new KraProtocolMessage(status, cmdID, dest, playerUuid, cmdNumber, args);
+  }
+}

src/main/java/net/krakatoa/proxy/protocol/KraProtocolMessage.java

@@ -0,0 +1,24 @@
+package net.krakatoa.proxy.protocol;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@AllArgsConstructor
+@Getter
+public class KraProtocolMessage {
+
+  private final byte status;
+  private final int cmdID; // long
+  private final int dest;
+  private final String uuid;
+  private final short cmdNumber;
+  private final String args;
+
+  public int getStatus() {
+    return Byte.toUnsignedInt(status);
+  }
+
+  public int getCmdNumber() {
+    return Short.toUnsignedInt(cmdNumber);
+  }
+}

src/main/java/net/krakatoa/proxy/protocol/KraProtocolMessageHandler.java

@@ -0,0 +1,5 @@
+package net.krakatoa.proxy.protocol;
+
+public class KraProtocolMessageHandler {
+
+}

src/main/java/net/krakatoa/proxy/protocol/KraProtocolStatus.java

@@ -0,0 +1,21 @@
+package net.krakatoa.proxy.protocol;
+
+import lombok.Getter;
+
+public enum KraProtocolStatus {
+
+  SEND(10),
+  GET(11),
+  MESSAGE_ALREADY_IN_QUEUE(12),
+  ERROR_NO_PERMS(13),
+  ERROR_TRY_AGAIN(14),
+  ERROR_ARG_LEN_TOO_BIG(15),
+  REPLY(16);
+
+  @Getter
+  private final int status;
+
+  KraProtocolStatus(int status) {
+    this.status = status;
+  }
+}

src/main/java/net/krakatoa/proxy/socket/SocketClient.java

@@ -0,0 +1,121 @@
+package net.krakatoa.proxy.socket;
+
+import java.net.URI;
+import java.nio.ByteBuffer;
+import java.util.Arrays;
+import java.util.concurrent.TimeUnit;
+import net.krakatoa.proxy.ProxySystem;
+import net.krakatoa.proxy.protocol.KraProtocolMessage;
+import net.md_5.bungee.api.ProxyServer;
+import net.md_5.bungee.api.chat.TextComponent;
+import net.md_5.bungee.api.connection.ProxiedPlayer;
+import org.java_websocket.client.WebSocketClient;
+import org.java_websocket.handshake.ServerHandshake;
+
+public class SocketClient extends WebSocketClient {
+
+  public SocketClient(URI uri) {
+    super(uri);
+  }
+
+  public void SendMessage(byte[] message) {
+    if (isOpen()) {
+      send(message);
+    }
+  }
+
+  @Override
+  public void onOpen(ServerHandshake serverHandshake) {
+    System.out.println("Socket connection opened!");
+
+    //ProxySystem.getInstance().getKraProtocol()
+    //  .SendMessage(1, 126375, 248, "myuui123asdrsdasadsdasdadsadsdsa", 65017, "player joined");
+
+    for (ProxiedPlayer proxiedPlayer : ProxyServer.getInstance().getPlayers()) {
+      proxiedPlayer.sendMessage(new TextComponent("§cSocket §8» §aConnected"));
+    }
+  }
+
+  @Override
+  public void onMessage(String s) {
+    System.out.println("recv s: " + s);
+  }
+
+  @Override
+  public void onMessage(ByteBuffer byteBuffer) {
+    System.out.println("recv b: " + Arrays.toString(byteBuffer.array()));
+
+    KraProtocolMessage kraProtocolMessage = ProxySystem.getInstance().getKraProtocol()
+        .DecodeMessage(byteBuffer.array());
+
+    System.out.println(
+        "kraProtocolMessage " + kraProtocolMessage.getCmdID() + " " + kraProtocolMessage.getArgs());
+
+    // remove cmdID from cmdID list
+    ProxySystem.getInstance().getKraProtocol().getCmdIDs()
+        .removeIf(cmdID -> cmdID == kraProtocolMessage.getCmdID());
+
+    System.out.println(
+        "consumer ids " + ProxySystem.getInstance().getKraProtocol().getConsumerHashMap().keySet());
+
+    // test - mobile or voice socket connected
+    if (kraProtocolMessage.getCmdNumber() == 15) {
+      ProxyServer.getInstance().getScheduler().runAsync(ProxySystem.getInstance(), () -> {
+        System.out.println(ProxySystem.getInstance().getFormatter()
+            .stringToUuid(kraProtocolMessage.getUuid()));
+
+        ProxiedPlayer proxiedPlayer = ProxySystem.getInstance().getProxy()
+            .getPlayer(ProxySystem.getInstance().getFormatter()
+                .stringToUuid(kraProtocolMessage.getUuid()));
+
+        if (proxiedPlayer != null) {
+          if (kraProtocolMessage.getArgs().equals("1")) {
+            proxiedPlayer.sendMessage(new TextComponent("§5Mobile §8» §cConnection lost!"));
+          } else {
+            proxiedPlayer.sendMessage(
+                new TextComponent("§bVoice §8» §cConnection lost!"));
+          }
+        }
+      });
+    }
+
+    ProxySystem.getInstance().getKraProtocol().getConsumerHashMap()
+        .forEach((cmdID, consumer) -> {
+          if (cmdID == kraProtocolMessage.getCmdID()) {
+            System.out.println("accept " + cmdID + " " + kraProtocolMessage.getCmdID());
+            consumer.accept(kraProtocolMessage);
+          }
+        });
+  }
+
+  @Override
+  public void onClose(int code, String reason, boolean remote) {
+    System.out.println(
+        "Connection! closed by " + (remote ? "remote peer" : "us") + " Code: " + code + " Reason: "
+            + reason);
+
+    for (ProxiedPlayer proxiedPlayer : ProxyServer.getInstance().getPlayers()) {
+      proxiedPlayer.sendMessage(
+          new TextComponent(
+              "§cSocket §8» §c" + (remote ? "Connection! Closed by remote peer" : reason)));
+    }
+
+    /* 1 called on plugin disable */
+    if (code != 1) {
+      ProxyServer.getInstance().getScheduler().schedule(ProxySystem.getInstance(), () -> {
+        for (ProxiedPlayer proxiedPlayer : ProxyServer.getInstance().getPlayers()) {
+          proxiedPlayer.sendMessage(new TextComponent("§cSocket §8» §7Reconnecting..."));
+        }
+
+        System.out.println("try reconnect");
+        reconnect();
+      }, 3L, TimeUnit.SECONDS);
+    }
+  }
+
+  @Override
+  public void onError(Exception e) {
+    System.out.println("Error: " + e);
+    //e.printStackTrace();
+  }
+}

src/main/java/net/krakatoa/proxy/util/Formatter.java

@@ -0,0 +1,18 @@
+package net.krakatoa.proxy.util;
+
+import java.math.BigInteger;
+import java.util.UUID;
+
+public class Formatter {
+
+  public String formatUuid(String uuid) {
+    return uuid.replaceAll("-", "");
+  }
+
+  public UUID stringToUuid(String s) {
+    BigInteger bigInteger = new BigInteger(s.substring(0, 16), 16);
+    BigInteger bigInteger1 = new BigInteger(s.substring(16, 32), 16);
+
+    return new UUID(bigInteger.longValue(), bigInteger1.longValue());
+  }
+}

src/main/resources/plugin.yml

@@ -0,0 +1,6 @@
+name: KrakatoaProxySystem
+author: AlexanderRoese
+version: 1.0
+main: net.krakatoa.proxy.ProxySystem
+commands:
+  code:

target/classes/plugin.yml

@@ -0,0 +1,6 @@
+name: KrakatoaProxySystem
+author: AlexanderRoese
+version: 1.0
+main: net.krakatoa.proxy.ProxySystem
+commands:
+  code:

target/maven-archiver/pom.properties

@@ -0,0 +1,5 @@
+#Generated by Maven
+#Wed Oct 20 21:02:03 CEST 2021
+groupId=net.krakatoa.proxy
+artifactId=KrakatoaProxySystem
+version=1.0-SNAPSHOT

target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst

@@ -0,0 +1,10 @@
+net/krakatoa/proxy/command/CodeCommand.class
+net/krakatoa/proxy/mongo/MongoManager.class
+net/krakatoa/proxy/socket/SocketClient.class
+net/krakatoa/proxy/listener/PostLoginListener.class
+net/krakatoa/proxy/ProxySystem.class
+net/krakatoa/proxy/protocol/KraProtocol.class
+net/krakatoa/proxy/util/Formatter.class
+net/krakatoa/proxy/config/ConfigHandler.class
+net/krakatoa/proxy/listener/PlayerDisconnectListener.class
+net/krakatoa/proxy/protocol/KraProtocolMessage.class

target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst

@@ -0,0 +1,10 @@
+/home/alex/IdeaProjects/KrakatoaProxySystem/src/main/java/net/krakatoa/proxy/config/ConfigHandler.java
+/home/alex/IdeaProjects/KrakatoaProxySystem/src/main/java/net/krakatoa/proxy/protocol/KraProtocolMessage.java
+/home/alex/IdeaProjects/KrakatoaProxySystem/src/main/java/net/krakatoa/proxy/command/CodeCommand.java
+/home/alex/IdeaProjects/KrakatoaProxySystem/src/main/java/net/krakatoa/proxy/mongo/MongoManager.java
+/home/alex/IdeaProjects/KrakatoaProxySystem/src/main/java/net/krakatoa/proxy/listener/PlayerDisconnectListener.java
+/home/alex/IdeaProjects/KrakatoaProxySystem/src/main/java/net/krakatoa/proxy/listener/PostLoginListener.java
+/home/alex/IdeaProjects/KrakatoaProxySystem/src/main/java/net/krakatoa/proxy/util/Formatter.java
+/home/alex/IdeaProjects/KrakatoaProxySystem/src/main/java/net/krakatoa/proxy/ProxySystem.java
+/home/alex/IdeaProjects/KrakatoaProxySystem/src/main/java/net/krakatoa/proxy/protocol/KraProtocol.java
+/home/alex/IdeaProjects/KrakatoaProxySystem/src/main/java/net/krakatoa/proxy/socket/SocketClient.java