PaperMC/patches/removed/1.20.3/0748-Kick-on-main-for-illegal-chat.patch
2023-12-08 15:14:42 -08:00

45 lines
3 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <nassim@njahnke.dev>
Date: Mon, 17 Jan 2022 19:47:19 +0100
Subject: [PATCH] Kick on main for illegal chat
Makes the PlayerKickEvent fire on the main thread for
illegal characters or chat out-of-order errors.
TODO: Check all the missing schedule on mains? (1.20.3)
- not needed anymore, there is a check inside disconnect if off main
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index b650e7b53bea147be0b5d88449d41f03a971ca97..09465bee578a440c0da6961dde66083cd097f5e5 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -2049,7 +2049,9 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
}
// CraftBukkit end
if (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
} else {
Optional<LastSeenMessages> optional = this.tryHandleChat(packet.lastSeenMessages());
@@ -2081,7 +2083,9 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
@Override
public void handleChatCommand(ServerboundChatCommandPacket packet) {
if (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
} else {
Optional<LastSeenMessages> optional = this.tryHandleChat(packet.lastSeenMessages());
@@ -2137,7 +2141,9 @@ 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()) {
+ this.server.scheduleOnMain(() -> { // Paper - push to main
this.disconnect(exception.getComponent(), exception.kickCause); // Paper - kick event causes
+ }); // Paper - push to main
} else {
this.player.sendSystemMessage(exception.getComponent().copy().withStyle(ChatFormatting.RED));
}