Add option to allow players sending illegal characters in chat

patches/server/0046-Allow-players-sending-illegal-characters-in-chat.patch

@@ -0,0 +1,55 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Dreeam <[email protected]>
+Date: Tue, 30 Jan 2024 10:02:58 -0500
+Subject: [PATCH] Allow players sending illegal characters in chat
+
+
+diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+index 23828b5d2300d64ac5a5c1a5da1bb1ee14f45d24..12615924ba9aa5753fc46b9d005003222aa92503 100644
+--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
++++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+@@ -2204,7 +2204,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
+             return;
+         }
+         // CraftBukkit end
+-        if (ServerGamePacketListenerImpl.isChatMessageIllegal(packet.message())) {
++        if (!org.dreeam.leaf.LeafConfig.allowIllegalCharactersInChat && ServerGamePacketListenerImpl.isChatMessageIllegal(packet.message())) {
+             this.server.scheduleOnMain(() -> { // Paper - push to main for event firing
+             this.disconnect(Component.translatable("multiplayer.disconnect.illegal_characters"), org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_CHARACTERS); // Paper - add cause
+             }); // Paper - push to main for event firing
+@@ -2239,7 +2239,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
+
+     @Override
+     public void handleChatCommand(ServerboundChatCommandPacket packet) {
+-        if (ServerGamePacketListenerImpl.isChatMessageIllegal(packet.command())) {
++        if (!org.dreeam.leaf.LeafConfig.allowIllegalCharactersInChat && ServerGamePacketListenerImpl.isChatMessageIllegal(packet.command())) {
+             this.server.scheduleOnMain(() -> { // Paper - push to main for event firing
+             this.disconnect(Component.translatable("multiplayer.disconnect.illegal_characters"), org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_CHARACTERS); // Paper
+             }); // Paper - push to main for event firing
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+index 718d6341fb440b8139b6ee75a17b07ed07221627..3b59170ff29ed7b081804ccb772c20fa59e6b644 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+@@ -703,7 +703,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
+         if (this.getHandle().connection == null) return;
+
+         // Paper start - Improve chat handling
+-        if (ServerGamePacketListenerImpl.isChatMessageIllegal(msg)) {
++        if (!org.dreeam.leaf.LeafConfig.allowIllegalCharactersInChat && ServerGamePacketListenerImpl.isChatMessageIllegal(msg)) {
+             this.getHandle().connection.disconnect(Component.translatable("multiplayer.disconnect.illegal_characters"), org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_CHARACTERS); // Paper - kick event causes
+         } else {
+             if (msg.startsWith("/")) {
+diff --git a/src/main/java/org/dreeam/leaf/LeafConfig.java b/src/main/java/org/dreeam/leaf/LeafConfig.java
+index 2156073db27fc58e326c2c8fa4dd48dc27fe8323..50b9b608696a25c424d633fc7b3220272e307c5c 100644
+--- a/src/main/java/org/dreeam/leaf/LeafConfig.java
++++ b/src/main/java/org/dreeam/leaf/LeafConfig.java
+@@ -305,4 +305,9 @@ public class LeafConfig {
+             gg.pufferfish.pufferfish.sentry.SentryManager.init();
+         }
+     }
++
++    public static boolean allowIllegalCharactersInChat = false;
++    private static void illegalCharacters() {
++        allowIllegalCharactersInChat = getBoolean("allow-illegal-characters-in-chat", allowIllegalCharactersInChat);
++    }
+ }