Paper/patches/server/0442-Brand-support.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: DigitalRegent <misterwener@gmail.com>
Date: Sat, 11 Apr 2020 13:10:58 +0200
Subject: [PATCH] Brand support


diff --git a/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
index d1808bf9dc19fad84da5eb3b4c3d549bc624b00a..cce6febce229abdad859f183716cdefbec4a8f2e 100644
--- a/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
@@ -54,6 +54,8 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
     private int latency;
     private volatile boolean suspendFlushingOnServerThread = false;
     private static final long KEEPALIVE_LIMIT = Long.getLong("paper.playerconnection.keepalive", 30) * 1000; // Paper - provide property to set keepalive limit
+    private @Nullable String clientBrandName = null; // Paper - Brand name
+    protected static final ResourceLocation MINECRAFT_BRAND = new ResourceLocation("brand"); // Paper - Brand support
 
     public ServerCommonPacketListenerImpl(MinecraftServer minecraftserver, Connection networkmanager, CommonListenerCookie commonlistenercookie, ServerPlayer player) { // CraftBukkit
         this.server = minecraftserver;
@@ -140,6 +142,15 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
             try {
                 byte[] data = new byte[payload.readableBytes()];
                 payload.readBytes(data);
+                // Paper start - Brand support
+                if (identifier.equals(MINECRAFT_BRAND)) {
+                    try {
+                        this.clientBrandName = new net.minecraft.network.FriendlyByteBuf(io.netty.buffer.Unpooled.copiedBuffer(data)).readUtf(256);
+                    } catch (StringIndexOutOfBoundsException ex) {
+                        this.clientBrandName = "illegal";
+                    }
+                }
+                // Paper end
                 this.cserver.getMessenger().dispatchIncomingMessage(this.player.getBukkitEntity(), identifier.toString(), data);
             } catch (Exception ex) {
                 ServerGamePacketListenerImpl.LOGGER.error("Couldn\'t dispatch custom payload", ex);
@@ -149,6 +160,13 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
 
     }
 
+    // Paper start - brand support
+    @Nullable
+    public String getClientBrandName() {
+        return this.clientBrandName;
+    }
+    // Paper end
+
     public final boolean isDisconnected() {
         return (!this.player.joining && !this.connection.isConnected()) || this.processedDisconnect; // Paper
     }
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index f81ebf2e29bab66904644e106cdb2d1ca812a212..8a74046fd65f1bfa7ff22a0019fd8cdf989c7a00 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -3007,6 +3007,13 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
         // Paper end
     };
 
+    // Paper start - brand support
+    @Override
+    public String getClientBrandName() {
+        return getHandle().connection != null ? getHandle().connection.getClientBrandName() : null;
+    }
+    // Paper end
+
     public Player.Spigot spigot()
     {
         return this.spigot;