From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: etil2jz <81570777+etil2jz@users.noreply.github.com>
Date: Tue, 2 Aug 2022 14:48:12 +0200
Subject: [PATCH] Configurable chat message signatures


diff --git a/src/main/java/net/minecraft/network/protocol/status/ServerStatus.java b/src/main/java/net/minecraft/network/protocol/status/ServerStatus.java
index 11183b4a39b9897e1b1067eb2a3556d2b1d90f52..d08127b516fbae1a5500a9d3f0df02a437b0d250 100644
--- a/src/main/java/net/minecraft/network/protocol/status/ServerStatus.java
+++ b/src/main/java/net/minecraft/network/protocol/status/ServerStatus.java
@@ -78,6 +78,7 @@ public class ServerStatus {
     }
 
     public boolean enforcesSecureChat() {
+        if (wtf.etil.mirai.MiraiConfig.chatMessageSignatures) return true; // Mirai - configurable chat message signatures
         return this.enforcesSecureChat;
     }
 
diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index 7cce3a758a0b19956572135162d88e92e4412018..6fd98bfba759af0f21d5225664757c023a9e4f6c 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -646,6 +646,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
 
     @Override
     public boolean enforceSecureProfile() {
+        if (wtf.etil.mirai.MiraiConfig.chatMessageSignatures) return false; // Mirai - configurable chat message signatures
         return this.getProperties().enforceSecureProfile && this.getProperties().onlineMode;
     }
 
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 181922e26036fa07464b0a2ab6a66f2314d43ebd..deb87d0012e858b556e9a72bc0a9c644d46ccf60 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -2165,10 +2165,34 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
 
     @Override
     public void send(Packet<?> packet) {
+        // Mirai start - configurable chat message signatures
+        if (wtf.etil.mirai.MiraiConfig.chatMessageSignatures) {
+            if (packet instanceof net.minecraft.network.protocol.game.ClientboundPlayerChatHeaderPacket) {
+                return;
+            } else if (packet instanceof net.minecraft.network.protocol.game.ClientboundPlayerChatPacket chat) {
+                packet = new ClientboundSystemChatPacket(chat.chatType().resolve(this.player.level.registryAccess())
+                        .get().decorate(chat.message().serverContent()), false);
+
+
+                this.send(packet);
+                return;
+			}
+		}
+        // Mirai end
         this.send(packet, (PacketSendListener) null);
     }
 
     public void send(Packet<?> packet, @Nullable PacketSendListener callbacks) {
+        // Mirai start - configurable chat message signatures
+        if (wtf.etil.mirai.MiraiConfig.chatMessageSignatures) {
+            if (packet instanceof net.minecraft.network.protocol.game.ClientboundPlayerChatHeaderPacket) {
+                return;
+            } else if (packet instanceof net.minecraft.network.protocol.game.ClientboundPlayerChatPacket chat && callbacks != null) {
+                this.send(chat);
+                return;
+            }
+        }
+        // Mirai end
         // CraftBukkit start
         if (packet == null || this.processedDisconnect) { // Spigot
             return;
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index b4158aed45ec60be71251d5b90e340f790e239fb..631cb49918cb0eef97407ffc95a0b001ecd31a62 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -1489,6 +1489,7 @@ public abstract class PlayerList {
     }
 
     public boolean verifyChatTrusted(PlayerChatMessage message, ChatSender profile) { // Paper - private -> public
+        if (wtf.etil.mirai.MiraiConfig.chatMessageSignatures) return true; // Mirai - configurable chat message signatures
         return !message.hasExpiredServer(Instant.now()) && message.verify(profile);
     }
 
diff --git a/src/main/java/net/minecraft/world/entity/player/Player.java b/src/main/java/net/minecraft/world/entity/player/Player.java
index 18c4f2eeb6bb427c1314608fc6a81e4642d92888..b029ae19db2bfde9b08950f41ba8a09e8e4091a0 100644
--- a/src/main/java/net/minecraft/world/entity/player/Player.java
+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
@@ -1516,6 +1516,7 @@ public abstract class Player extends LivingEntity {
 
     @Nullable
     public ProfilePublicKey getProfilePublicKey() {
+        if (wtf.etil.mirai.MiraiConfig.chatMessageSignatures) return null; // Mirai - configurable chat message signatures
         return this.profilePublicKey;
     }
 
diff --git a/src/main/java/wtf/etil/mirai/MiraiConfig.java b/src/main/java/wtf/etil/mirai/MiraiConfig.java
index 110757bfec231278e7b5d0f22ede20f04cdbb913..57df9a7d26855ca205190584f61fc8026d98225c 100644
--- a/src/main/java/wtf/etil/mirai/MiraiConfig.java
+++ b/src/main/java/wtf/etil/mirai/MiraiConfig.java
@@ -237,4 +237,12 @@ public class MiraiConfig {
                             "Whether or not Math.hypot should be replaced by a faster version.");
     }
 
+    public static boolean chatMessageSignatures;
+    private static void chatreport() {
+        chatMessageSignatures = getBoolean("disable-chat-reports", false,
+                                    "Whether or not players should be able to report chat messages.",
+                                    "It also disables the popup when joining a server without",
+                                    "'secure chat', such as offline-mode servers.");
+    }
+
 }
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