From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Shane Freeder Date: Mon, 3 Apr 2023 08:55:52 +0100 Subject: [PATCH] Prevent causing expired keys from impacting new joins diff --git a/src/main/java/net/minecraft/network/protocol/game/ClientboundPlayerInfoUpdatePacket.java b/src/main/java/net/minecraft/network/protocol/game/ClientboundPlayerInfoUpdatePacket.java index 0e54e8faa48751a651b953bec72543a94edf74bc..d43106eb89b14667e85cd6e8fa047d64f2e8ec87 100644 --- a/src/main/java/net/minecraft/network/protocol/game/ClientboundPlayerInfoUpdatePacket.java +++ b/src/main/java/net/minecraft/network/protocol/game/ClientboundPlayerInfoUpdatePacket.java @@ -96,7 +96,13 @@ public class ClientboundPlayerInfoUpdatePacket implements Packet { serialized.chatSession = buf.readNullable(RemoteChatSession.Data::read); }, (buf, entry) -> { - buf.writeNullable(entry.chatSession, RemoteChatSession.Data::write); + // Paper start - Prevent causing expired keys from impacting new joins + RemoteChatSession.Data chatSession = entry.chatSession; + if (chatSession != null && chatSession.profilePublicKey().hasExpired()) { + chatSession = null; + } + buf.writeNullable(chatSession, RemoteChatSession.Data::write); + // Paper end - Prevent causing expired keys from impacting new joins }), UPDATE_GAME_MODE((serialized, buf) -> { serialized.gameMode = GameType.byId(buf.readVarInt()); diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java index 166dbfb6a06ac69774ecfe2e8c0b0c6f22a44d19..253d37d7e8677e438d8463eee557682aade86a1e 100644 --- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java +++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java @@ -287,6 +287,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl private int knownMovePacketCount; @Nullable private RemoteChatSession chatSession; + private boolean hasLoggedExpiry = false; // Paper - Prevent causing expired keys from impacting new joins private SignedMessageChain.Decoder signedMessageDecoder; private final LastSeenMessagesValidator lastSeenMessages = new LastSeenMessagesValidator(20); private final MessageSignatureCache messageSignatureCache = MessageSignatureCache.createDefault(); @@ -395,6 +396,13 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl this.disconnect(Component.translatable("multiplayer.disconnect.idling"), org.bukkit.event.player.PlayerKickEvent.Cause.IDLING); // Paper - kick event cause } + // Paper start - Prevent causing expired keys from impacting new joins + if (!hasLoggedExpiry && this.chatSession != null && this.chatSession.profilePublicKey().data().hasExpired()) { + LOGGER.info("Player profile key for {} has expired!", this.player.getName().getString()); + hasLoggedExpiry = true; + } + // Paper end - Prevent causing expired keys from impacting new joins + } public void resetPosition() { @@ -3418,6 +3426,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl private void resetPlayerChatState(RemoteChatSession session) { this.chatSession = session; + this.hasLoggedExpiry = false; // Paper - Prevent causing expired keys from impacting new joins this.signedMessageDecoder = session.createMessageDecoder(this.player.getUUID()); this.chatMessageChain.append(() -> { this.player.setChatSession(session);