v4Guard Plugin v1.1.4

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>io.v4guard</groupId>
     <artifactId>v4guard-plugin</artifactId>
-    <version>1.1.3c</version>
+    <version>1.1.4</version>
     <packaging>jar</packaging>
 
     <properties>

src/main/java/io/v4guard/plugin/bungee/accounts/BungeeMessageReceiver.java

@@ -46,7 +46,7 @@ public void onPostLogin(PostLoginEvent e) {
         if(!v4GuardCore.getInstance().isAccountShieldFound()) {
             ProxiedPlayer player = e.getPlayer();
             if (player.getPendingConnection().isOnlineMode()) {
-                Authentication auth = new Authentication(player.getName(), AuthType.MOJANG);
+                Authentication auth = new Authentication(player.getName(), AuthType.MOJANG, player.hasPermission("v4guard.accshield"));
                 v4GuardCore.getInstance().getAccountShieldManager().sendSocketMessage(auth);
             }
         }

src/main/java/io/v4guard/plugin/bungee/listener/PluginMessagingListener.java

@@ -1,6 +1,10 @@
 package io.v4guard.plugin.bungee.listener;
 
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
 import io.v4guard.plugin.bungee.v4GuardBungee;
+import io.v4guard.plugin.core.tasks.types.CompletableMCBrandTask;
+import io.v4guard.plugin.core.utils.StringUtils;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
 import net.md_5.bungee.api.event.PluginMessageEvent;
 import net.md_5.bungee.api.plugin.Listener;
@@ -15,22 +19,29 @@ public PluginMessagingListener() {
 
     @EventHandler
     public void onChannelMessage(PluginMessageEvent e){
+
         Document privacySettings = (Document) v4GuardBungee.getCoreInstance().getBackendConnector().getSettings().getOrDefault("privacy", new Document());
         boolean invalidatedCache = (boolean) v4GuardBungee.getCoreInstance().getBackendConnector().getSettings().getOrDefault("invalidateCache", false);
         if(!invalidatedCache && privacySettings.getBoolean("collectMCBrand", true)){
             if(e.getSender() instanceof ProxiedPlayer){
                 if(e.getTag().equals("MC|Brand") || e.getTag().equals("minecraft:brand")){
                     ProxiedPlayer player = (ProxiedPlayer) e.getSender();
-                    Document data = new Document();
-                    data.put("username", player.getName());
-                    data.put("brand", new String(e.getData()));
-                    v4GuardBungee.getCoreInstance().getBackendConnector().getSocket().emit("mc:brand", data.toJson());
+                    CompletableMCBrandTask task = v4GuardBungee.getCoreInstance().getCompletableTaskManager().getBrandTask(player.getName());
+                    if(task == null) task = new CompletableMCBrandTask(player.getName());
+                    task.addData(new String(e.getData()));
                 } else if (e.getTag().equals("LMC") || e.getTag().equals("labymod3:main")){
                     ProxiedPlayer player = (ProxiedPlayer) e.getSender();
-                    Document data = new Document();
-                    data.put("username", player.getName());
-                    data.put("brand", "labymod");
-                    v4GuardBungee.getCoreInstance().getBackendConnector().getSocket().emit("mc:brand", data.toJson());
+                    CompletableMCBrandTask task = v4GuardBungee.getCoreInstance().getCompletableTaskManager().getBrandTask(player.getName());
+                    if(task == null) task = new CompletableMCBrandTask(player.getName());
+                    ByteBuf buf = Unpooled.wrappedBuffer(e.getData());
+                    String key = StringUtils.readString(buf, Short.MAX_VALUE);
+                    if(!key.equals("INFO")){
+                        return;
+                    }
+                    String json = StringUtils.readString(buf, Short.MAX_VALUE);
+                    Document data = Document.parse(json);
+                    String version = data == null ? "unknown" : (String) data.getOrDefault("version", "unknown");
+                    task.addData("labymod:" + version);
                 }
             }
         }

src/main/java/io/v4guard/plugin/core/accounts/AccountShieldManager.java

@@ -23,8 +23,7 @@ public void sendSocketMessage(Authentication auth){
         boolean shieldEnabled = (boolean) shieldSettings.getOrDefault("accshield", false);
         if(!shieldEnabled) return;
 
-        Document finalDocument = new Document("username", auth.getUsername())
-                .append("type", auth.getAuthType().toString());
+        Document finalDocument = auth.serialize();
         v4GuardCore.getInstance().getBackendConnector().getSocket().emit("accshield:login", finalDocument.toJson());
     }
 }

src/main/java/io/v4guard/plugin/core/accounts/auth/Authentication.java

@@ -6,10 +6,12 @@ public class Authentication {
 
     private final String username;
     private final AuthType authType;
+    private boolean hasPermission;
 
-    public Authentication(String username, AuthType authType) {
+    public Authentication(String username, AuthType authType, boolean hasPermission) {
         this.username = username;
         this.authType = authType;
+        this.hasPermission = hasPermission;
     }
 
     public String getUsername() {
@@ -22,10 +24,11 @@ public AuthType getAuthType() {
 
     public Document serialize(){
         return new Document("username", username)
-                .append("authType", authType.toString());
+                .append("authType", authType.toString())
+                .append("hasPermission", hasPermission);
     }
 
     public static Authentication deserialize(Document doc){
-        return new Authentication(doc.getString("username"), AuthType.valueOf(doc.getString("authType")));
+        return new Authentication(doc.getString("username"), AuthType.valueOf(doc.getString("authType")), doc.getBoolean("hasPermission"));
     }
 }

src/main/java/io/v4guard/plugin/core/socket/listener/MessageListener.java

@@ -21,22 +21,26 @@ public MessageListener(BackendConnector backendConnector) {
     @Override
     public void call(Object... args) {
         Document doc = Document.parse(args[0].toString());
-        String permission = doc.getOrDefault("permission", "*").toString();
+        String permission = doc.getOrDefault("permission", "no-permission").toString();
         List<String> players = (List<String>) doc.getOrDefault("players", new ArrayList<>());
         String message = (String) doc.getOrDefault("message", "Disconnected");
         switch (v4GuardCore.getInstance().getPluginMode()){
             case BUNGEE: {
-                List<String> broadcasted = v4GuardBungee.getV4Guard().getMessager().broadcastWithPermission(message, permission);
-                players.removeAll(broadcasted);
+                if(!permission.equals("no-permission")){
+                    List<String> broadcasted = v4GuardBungee.getV4Guard().getMessager().broadcastWithPermission(message, permission);
+                    players.removeAll(broadcasted);
+                }
                 for(String player : players){
                     v4GuardBungee.getV4Guard().getMessager().sendToPlayer(message, player);
                 }
                 break;
             }
 
             case VELOCITY: {
-                List<String> broadcasted = v4GuardVelocity.getV4Guard().getMessager().broadcastWithPermission(message, permission);
-                players.removeAll(broadcasted);
+                if(!permission.equals("no-permission")) {
+                    List<String> broadcasted = v4GuardVelocity.getV4Guard().getMessager().broadcastWithPermission(message, permission);
+                    players.removeAll(broadcasted);
+                }
                 for(String player : players){
                     v4GuardVelocity.getV4Guard().getMessager().sendToPlayer(message, player);
                 }

src/main/java/io/v4guard/plugin/core/tasks/CompletableTaskManager.java

@@ -1,6 +1,7 @@
 package io.v4guard.plugin.core.tasks;
 
 import io.v4guard.plugin.core.tasks.common.CompletableTask;
+import io.v4guard.plugin.core.tasks.types.CompletableMCBrandTask;
 
 import java.util.HashMap;
 
@@ -12,4 +13,16 @@ public HashMap<String, CompletableTask> getTasks() {
         return this.tasks;
     }
 
+    public CompletableMCBrandTask getBrandTask(String username){
+        for(CompletableTask task : this.tasks.values()){
+            if(task instanceof CompletableMCBrandTask){
+                CompletableMCBrandTask brandTask = (CompletableMCBrandTask) task;
+                if(brandTask.getUsername().equals(username)){
+                    return brandTask;
+                }
+            }
+        }
+        return null;
+    }
+
 }

src/main/java/io/v4guard/plugin/core/tasks/types/CompletableMCBrandTask.java

@@ -0,0 +1,51 @@
+package io.v4guard.plugin.core.tasks.types;
+
+import io.v4guard.plugin.bungee.v4GuardBungee;
+import io.v4guard.plugin.core.tasks.common.CompletableTask;
+import io.v4guard.plugin.core.v4GuardCore;
+import org.bson.Document;
+
+import java.util.*;
+
+public class CompletableMCBrandTask implements CompletableTask {
+
+    private final String taskID;
+    private final String username;
+    private final List<String> brands;
+
+    public CompletableMCBrandTask(String username) {
+        this.username = username;
+        this.brands = new ArrayList<>();
+        this.taskID = UUID.randomUUID().toString();
+        v4GuardCore.getInstance().getCompletableTaskManager().getTasks().put(this.taskID, this);
+        new Timer().schedule(new TimerTask(){
+            @Override
+            public void run() {
+                complete();
+            }
+        }, 1000L);
+    }
+
+    @Override
+    public void complete() {
+        Document data = new Document();
+        data.put("username", username);
+        data.put("brand", brands);
+        v4GuardBungee.getCoreInstance().getBackendConnector().getSocket().emit("mc:brand", data.toJson());
+        v4GuardCore.getInstance().getCompletableTaskManager().getTasks().remove(taskID);
+    }
+
+    @Override
+    public String getTaskID() {
+        return this.taskID;
+    }
+
+    public void addData(String brand) {
+        if(!this.brands.contains(brand)) this.brands.add(brand);
+    }
+
+    public String getUsername() {
+        return this.username;
+    }
+
+}

src/main/java/io/v4guard/plugin/core/utils/StringUtils.java

@@ -1,7 +1,10 @@
 package io.v4guard.plugin.core.utils;
 
+import io.netty.buffer.ByteBuf;
+import io.netty.handler.codec.DecoderException;
 import org.bson.Document;
 
+import java.nio.charset.Charset;
 import java.util.List;
 import java.util.StringJoiner;
 
@@ -25,4 +28,54 @@ public static String buildMultilineString(List<String> lines) {
         return message.toString();
     }
 
+    /**
+     * Reads a varint from the given byte buffer
+     *
+     * @param buf the byte buffer the varint should be read from
+     * @return the int read
+     */
+    public static int readVarIntFromBuffer( ByteBuf buf ) {
+        int i = 0;
+        int j = 0;
+
+        byte b0;
+        do {
+            b0 = buf.readByte();
+            i |= (b0 & 127) << j++ * 7;
+            if ( j > 5 ) {
+                throw new RuntimeException( "VarInt too big" );
+            }
+        } while ( (b0 & 128) == 128 );
+
+        return i;
+    }
+
+    /**
+     * Reads a string from the given byte buffer
+     *
+     * @param buf       the byte buffer the string should be read from
+     * @param maxLength the string's max-length
+     * @return the string read
+     */
+    public static String readString(ByteBuf buf, int maxLength ) {
+        int i = readVarIntFromBuffer( buf );
+
+        if ( i > maxLength * 4 ) {
+            throw new DecoderException( "The received encoded string buffer length is longer than maximum allowed (" + i + " > " + maxLength * 4 + ")" );
+        } else if ( i < 0 ) {
+            throw new DecoderException( "The received encoded string buffer length is less than zero! Weird string!" );
+        } else {
+            byte[] bytes = new byte[i];
+            buf.readBytes( bytes );
+
+            String s = new String( bytes, Charset.forName( "UTF-8" ) );
+            if ( s.length() > maxLength ) {
+                throw new DecoderException( "The received string length is longer than maximum allowed (" + i + " > " + maxLength + ")" );
+            } else {
+                return s;
+            }
+        }
+    }
+
+
 }

src/main/java/io/v4guard/plugin/core/v4GuardCore.java

@@ -24,7 +24,7 @@ public class v4GuardCore {
     private AccountShieldManager accountShieldManager;
     private ChatFilterManager chatFilterManager;
 
-    public static final String pluginVersion = "1.1.3c";
+    public static final String pluginVersion = "1.1.4";
 
     private boolean debug = false;
     private boolean accountShieldFound = false;

src/main/java/io/v4guard/plugin/velocity/accounts/VelocityMessageReceiver.java

@@ -48,7 +48,7 @@ public void onPostLogin(PostLoginEvent e) {
         if(!v4GuardCore.getInstance().isAccountShieldFound()) {
             Player player = e.getPlayer();
             if (player.isOnlineMode()) {
-                Authentication auth = new Authentication(player.getUsername(), AuthType.MOJANG);
+                Authentication auth = new Authentication(player.getUsername(), AuthType.MOJANG, player.hasPermission("v4guard.accshield"));
                 v4GuardCore.getInstance().getAccountShieldManager().sendSocketMessage(auth);
             }
         }

src/main/java/io/v4guard/plugin/velocity/listener/PluginMessagingListener.java

@@ -4,6 +4,11 @@
 import com.velocitypowered.api.event.Subscribe;
 import com.velocitypowered.api.event.connection.PluginMessageEvent;
 import com.velocitypowered.api.proxy.Player;
+import io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.v4guard.plugin.bungee.v4GuardBungee;
+import io.v4guard.plugin.core.tasks.types.CompletableMCBrandTask;
+import io.v4guard.plugin.core.utils.StringUtils;
 import io.v4guard.plugin.velocity.v4GuardVelocity;
 import net.md_5.bungee.api.plugin.Listener;
 import org.bson.Document;
@@ -18,18 +23,26 @@ public void onMessage(PluginMessageEvent e){
             if(e.getSource() instanceof Player){
                 if(e.getIdentifier().getId().equals("MC|Brand") || e.getIdentifier().getId().equals("minecraft:brand")){
                     Player player = (Player) e.getSource();
-                    Document data = new Document();
-                    data.put("username", player.getUsername());
-                    data.put("brand", new String(e.getData()));
-                    v4GuardVelocity.getCoreInstance().getBackendConnector().getSocket().emit("mc:brand", data.toJson());
+                    CompletableMCBrandTask task = v4GuardBungee.getCoreInstance().getCompletableTaskManager().getBrandTask(player.getUsername());
+                    if(task == null) task = new CompletableMCBrandTask(player.getUsername());
+                    task.addData(new String(e.getData()));
                 } else if (e.getIdentifier().getId().equals("LMC") || e.getIdentifier().getId().equals("labymod3:main")){
                     Player player = (Player) e.getSource();
-                    Document data = new Document();
-                    data.put("username", player.getUsername());
-                    data.put("brand", "labymod");
-                    v4GuardVelocity.getCoreInstance().getBackendConnector().getSocket().emit("mc:brand", data.toJson());
+                    CompletableMCBrandTask task = v4GuardBungee.getCoreInstance().getCompletableTaskManager().getBrandTask(player.getUsername());
+                    if(task == null) task = new CompletableMCBrandTask(player.getUsername());
+                    ByteBuf buf = Unpooled.wrappedBuffer(e.getData());
+                    String key = StringUtils.readString(buf, Short.MAX_VALUE);
+                    if(!key.equals("INFO")){
+                        return;
+                    }
+                    String json = StringUtils.readString(buf, Short.MAX_VALUE);
+                    Document data = Document.parse(json);
+                    String version = data == null ? "unknown" : (String) data.getOrDefault("version", "unknown");
+                    task.addData("labymod:" + version);
                 }
             }
         }
     }
+
+
 }