From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Allink <arclicious@vivaldi.net>
Date: Tue, 31 Jan 2023 23:16:52 +0000
Subject: [PATCH] Add configuration option to disable chat signatures


diff --git a/src/main/java/net/minecraft/network/chat/OutgoingChatMessage.java b/src/main/java/net/minecraft/network/chat/OutgoingChatMessage.java
index 74cf1c043beef03cfd5adf481414a5ee78bef2a6..1a44bad14ce764d6c09f38065ee8e5f0da4975aa 100644
--- a/src/main/java/net/minecraft/network/chat/OutgoingChatMessage.java
+++ b/src/main/java/net/minecraft/network/chat/OutgoingChatMessage.java
@@ -1,5 +1,6 @@
 package net.minecraft.network.chat;
 
+import me.totalfreedom.scissors.ScissorsConfig; // Scissors
 import net.minecraft.server.level.ServerPlayer;
 
 public interface OutgoingChatMessage {
@@ -44,10 +45,25 @@ public interface OutgoingChatMessage {
             // Paper end
             PlayerChatMessage playerChatMessage = this.message.filter(filterMaskEnabled);
             playerChatMessage = unsigned != null ? playerChatMessage.withUnsignedContent(unsigned) : playerChatMessage; // Paper
-            if (!playerChatMessage.isFullyFiltered()) {
+            // Scissors start
+            if (!playerChatMessage.isFullyFiltered() && ScissorsConfig.chatSignaturesEnabled) {
                 sender.connection.sendPlayerChatMessage(playerChatMessage, params);
+                return;
             }
 
+            if (sender.getServer().server.getOnlineMode()) {
+                sender.connection.sendDisguisedChatMessage(playerChatMessage.decoratedContent(), params);
+            } else {
+                sender.connection.sendPlayerChatMessage(new PlayerChatMessage(
+                    SignedMessageLink.unsigned(playerChatMessage.sender()),
+                    null,
+                    SignedMessageBody.unsigned(playerChatMessage.signedContent()),
+                    unsigned,
+                    playerChatMessage.filterMask(),
+                    playerChatMessage.result()
+                ), params);
+            }
+            // Scissors end
         }
     }
 }
diff --git a/src/main/java/net/minecraft/network/chat/SignedMessageChain.java b/src/main/java/net/minecraft/network/chat/SignedMessageChain.java
index c0a80824a0307ea673805015119cc834b268f0dc..9f28f86b1b56ea55ab39f6ac988c1f47c5312c6c 100644
--- a/src/main/java/net/minecraft/network/chat/SignedMessageChain.java
+++ b/src/main/java/net/minecraft/network/chat/SignedMessageChain.java
@@ -4,6 +4,7 @@ import com.mojang.logging.LogUtils;
 import java.time.Instant;
 import java.util.UUID;
 import javax.annotation.Nullable;
+import me.totalfreedom.scissors.ScissorsConfig; // Scissors
 import net.minecraft.util.SignatureUpdater;
 import net.minecraft.util.SignatureValidator;
 import net.minecraft.util.Signer;
@@ -41,7 +42,7 @@ public class SignedMessageChain {
                 if (!playerChatMessage.verify(signatureValidator)) {
                     throw new SignedMessageChain.DecodeException(Component.translatable("multiplayer.disconnect.unsigned_chat"), true, org.bukkit.event.player.PlayerKickEvent.Cause.UNSIGNED_CHAT); // Paper - kick event causes
                 } else {
-                    if (playerChatMessage.hasExpiredServer(Instant.now())) {
+                    if (playerChatMessage.hasExpiredServer(Instant.now()) && ScissorsConfig.chatSignaturesEnabled) { // Scissors
                         LOGGER.warn("Received expired chat: '{}'. Is the client/server system time unsynchronized?", (Object)body.content());
                     }
 
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 52fb4163e8d7e0b9d859ac5d2827f8695f6b867f..3c798443b7eb52dd0b66bdb27422f6e198d48c2c 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -1,5 +1,6 @@
 package net.minecraft.server.network;
 
+import me.totalfreedom.scissors.ScissorsConfig; // Scissors
 import me.totalfreedom.scissors.event.player.SpectatorTeleportEvent; // Scissors
 import com.google.common.collect.Lists;
 import com.google.common.primitives.Floats;
@@ -2313,7 +2314,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
     }
 
     private void handleMessageDecodeFailure(SignedMessageChain.DecodeException exception) {
-        if (exception.shouldDisconnect()) {
+        if (exception.shouldDisconnect() && ScissorsConfig.chatSignaturesEnabled) { // Scissors - Do not kick when chat signatures are disabled
             this.disconnect(exception.getComponent(), exception.kickCause); // Paper - kick event causes
         } else {
             this.player.sendSystemMessage(exception.getComponent().copy().withStyle(ChatFormatting.RED));
@@ -2369,6 +2370,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
             Optional<LastSeenMessages> optional = this.lastSeenMessages.applyUpdate(acknowledgment);
 
             if (optional.isEmpty()) {
+                if (!ScissorsConfig.chatSignaturesEnabled) return optional; // Scissors
                 ServerGamePacketListenerImpl.LOGGER.warn("Failed to validate message acknowledgements from {}", this.player.getName().getString());
                 this.disconnect(ServerGamePacketListenerImpl.CHAT_VALIDATION_FAILED, org.bukkit.event.player.PlayerKickEvent.Cause.CHAT_VALIDATION_FAILED); // Paper - kick event causes
             }
@@ -2604,6 +2606,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
 
         synchronized (this.lastSeenMessages) {
             if (!this.lastSeenMessages.applyOffset(packet.offset())) {
+                if (!ScissorsConfig.chatSignaturesEnabled) return; // Scissors
                 ServerGamePacketListenerImpl.LOGGER.warn("Failed to validate message acknowledgements from {}", this.player.getName().getString());
                 this.disconnect(ServerGamePacketListenerImpl.CHAT_VALIDATION_FAILED, org.bukkit.event.player.PlayerKickEvent.Cause.CHAT_VALIDATION_FAILED); // Paper - kick event causes
             }