patches/server/0434-Don-t-allow-null-UUID-s-for-chat.patch


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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 28 Jun 2020 19:36:55 -0400
Subject: [PATCH] Don't allow null UUID's for chat


diff --git a/src/main/java/net/minecraft/network/chat/ChatSender.java b/src/main/java/net/minecraft/network/chat/ChatSender.java
index eb33c74d51f9b096ac39adf167fa09afdaa5e56b..d3d5487e9a4e95271a88c094058ec9d37a10d370 100644
--- a/src/main/java/net/minecraft/network/chat/ChatSender.java
+++ b/src/main/java/net/minecraft/network/chat/ChatSender.java
@@ -8,6 +8,12 @@ import net.minecraft.world.entity.player.ProfilePublicKey;
 public record ChatSender(UUID profileId, @Nullable ProfilePublicKey profilePublicKey) {
     public static final ChatSender SYSTEM = new ChatSender(Util.NIL_UUID, (ProfilePublicKey)null);
 
+    // Paper start
+    public ChatSender {
+        com.google.common.base.Preconditions.checkNotNull(profileId, "uuid cannot be null");
+    }
+    // Paper end
+
     public boolean isSystem() {
         return SYSTEM.equals(this);
     }