From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Telesphoreo <me@telesphoreo.me>
Date: Mon, 15 Apr 2024 23:01:26 -0500
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 c87b708c368713a23a10ad97704575ee4df27891..4a8ab800d4a974aaf14872d50dcf01c806a0fe3b 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;
 import net.minecraft.server.level.ServerPlayer;
 
 public interface OutgoingChatMessage {
@@ -46,9 +47,19 @@ public interface OutgoingChatMessage {
             // Paper end
             PlayerChatMessage playerChatMessage = this.message.filter(filterMaskEnabled);
             playerChatMessage = unsigned != null ? playerChatMessage.withUnsignedContent(unsigned) : playerChatMessage; // Paper
-            if (!playerChatMessage.isFullyFiltered()) {
+            // Sccissors start
+            if (!playerChatMessage.isFullyFiltered() && ScissorsConfig.chatSignaturesEnabled) {
                 sender.connection.sendPlayerChatMessage(playerChatMessage, params);
+                return;
             }
+            sender.connection.sendPlayerChatMessage(new PlayerChatMessage(
+                SignedMessageLink.unsigned(playerChatMessage.sender()),
+                null,
+                SignedMessageBody.unsigned(playerChatMessage.signedContent()),
+                unsigned,
+                playerChatMessage.filterMask()
+            ), 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 0af9ed92824ccf30814eceb6a2c2e5c12661c991..c92374104b4aed2f952b250c5559ab9cc83532da 100644
--- a/src/main/java/net/minecraft/network/chat/SignedMessageChain.java
+++ b/src/main/java/net/minecraft/network/chat/SignedMessageChain.java
@@ -5,6 +5,8 @@ import java.time.Instant;
 import java.util.UUID;
 import java.util.function.BooleanSupplier;
 import javax.annotation.Nullable;
+
+import me.totalfreedom.scissors.ScissorsConfig;
 import net.minecraft.util.SignatureValidator;
 import net.minecraft.util.Signer;
 import net.minecraft.world.entity.player.ProfilePublicKey;
@@ -45,7 +47,7 @@ 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?", 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 80f0f88258770862f419e4faba4cfca4c0457b2c..c0aa9520d547d6d77169fd1dbb02844b90ef4a1d 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;
 import me.totalfreedom.scissors.event.player.SpectatorTeleportEvent; // Scissors
 import com.google.common.collect.Lists;
 import com.google.common.primitives.Floats;
@@ -2243,7 +2244,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
 
     private void handleMessageDecodeFailure(SignedMessageChain.DecodeException exception) {
         ServerGamePacketListenerImpl.LOGGER.warn("Failed to update secure chat state for {}: '{}'", this.player.getGameProfile().getName(), exception.getComponent().getString());
-        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));
@@ -2291,6 +2292,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
             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
             }
@@ -2489,6 +2491,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
 
         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
             }
@@ -3473,6 +3476,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
     @Override
     public void handleChatSessionUpdate(ServerboundChatSessionUpdatePacket packet) {
         PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel());
+        if (!ScissorsConfig.chatSignaturesEnabled) return; // Scissors
         RemoteChatSession.Data remotechatsession_a = packet.chatSession();
         ProfilePublicKey.Data profilepublickey_a = this.chatSession != null ? this.chatSession.profilePublicKey().data() : null;
         ProfilePublicKey.Data profilepublickey_a1 = remotechatsession_a.profilePublicKey();