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https://github.com/PaperMC/Paper.git
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ad9c58e103
Since 1.21.2, vanilla split relative teleportation flags into position and delta/velocity flags into separate enum entries. This highlighted a design flaw in the paper api addition for teleport flags, which just simply mirrored internals while also only being able to apply the delta/velocity part of a flag, given the teleport target is always absolute in the API. This patch proposes to simply no longer expose the non-velocity related flags to the API, instead marking the entire Relative enum as being purely velocity related, as non-velocity related flags are not useful to callers. This was done over simply exposing all internal flags, as another vanilla change to the internal enum would result in the same breakage. The newly proposed API *only* promises that the passed flags prevent the loss of velocity in the specific axis/context, which should be independent enough of vanillas specific implementation of this feature.
61 lines
4.1 KiB
Diff
61 lines
4.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Shane Freeder <theboyetronic@gmail.com>
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Date: Mon, 3 Apr 2023 08:55:52 +0100
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Subject: [PATCH] Prevent causing expired keys from impacting new joins
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diff --git a/src/main/java/net/minecraft/network/protocol/game/ClientboundPlayerInfoUpdatePacket.java b/src/main/java/net/minecraft/network/protocol/game/ClientboundPlayerInfoUpdatePacket.java
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index d0b2a8b5ded71a9a41753f4addea1c49826b34a3..29b465fc1dc50e0e84ddb889c5303e80fe662874 100644
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--- a/src/main/java/net/minecraft/network/protocol/game/ClientboundPlayerInfoUpdatePacket.java
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+++ b/src/main/java/net/minecraft/network/protocol/game/ClientboundPlayerInfoUpdatePacket.java
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@@ -114,7 +114,15 @@ public class ClientboundPlayerInfoUpdatePacket implements Packet<ClientGamePacke
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}),
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INITIALIZE_CHAT(
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(serialized, buf) -> serialized.chatSession = buf.readNullable(RemoteChatSession.Data::read),
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- (buf, entry) -> buf.writeNullable(entry.chatSession, RemoteChatSession.Data::write)
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+ // Paper start - Prevent causing expired keys from impacting new joins
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+ (buf, entry) -> {
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+ RemoteChatSession.Data chatSession = entry.chatSession;
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+ if (chatSession != null && chatSession.profilePublicKey().hasExpired()) {
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+ chatSession = null;
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+ }
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+ buf.writeNullable(chatSession, RemoteChatSession.Data::write);
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+ }
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+ // Paper end - Prevent causing expired keys from impacting new joins
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),
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UPDATE_GAME_MODE((serialized, buf) -> serialized.gameMode = GameType.byId(buf.readVarInt()), (buf, entry) -> buf.writeVarInt(entry.gameMode().getId())),
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UPDATE_LISTED((serialized, buf) -> serialized.listed = buf.readBoolean(), (buf, entry) -> buf.writeBoolean(entry.listed())),
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diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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index 2edf9a3c4ce5d2feaac624c969c2711dfc2dc4f7..e653dc4ac16fd22674a6c1ba402f8913e0fbb336 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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@@ -305,6 +305,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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private boolean receivedMovementThisTick;
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@Nullable
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private RemoteChatSession chatSession;
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+ private boolean hasLoggedExpiry = false; // Paper - Prevent causing expired keys from impacting new joins
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private SignedMessageChain.Decoder signedMessageDecoder;
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private final LastSeenMessagesValidator lastSeenMessages = new LastSeenMessagesValidator(20);
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private final MessageSignatureCache messageSignatureCache = MessageSignatureCache.createDefault();
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@@ -401,6 +402,13 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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this.disconnect((Component) Component.translatable("multiplayer.disconnect.idling"), org.bukkit.event.player.PlayerKickEvent.Cause.IDLING); // Paper - kick event cause
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}
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+ // Paper start - Prevent causing expired keys from impacting new joins
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+ if (!hasLoggedExpiry && this.chatSession != null && this.chatSession.profilePublicKey().data().hasExpired()) {
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+ LOGGER.info("Player profile key for {} has expired!", this.player.getName().getString());
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+ hasLoggedExpiry = true;
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+ }
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+ // Paper end - Prevent causing expired keys from impacting new joins
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+
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}
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private int getMaximumFlyingTicks(Entity vehicle) {
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@@ -3485,6 +3493,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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private void resetPlayerChatState(RemoteChatSession session) {
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this.chatSession = session;
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+ this.hasLoggedExpiry = false; // Paper - Prevent causing expired keys from impacting new joins
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this.signedMessageDecoder = session.createMessageDecoder(this.player.getUUID());
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this.chatMessageChain.append(() -> {
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this.player.setChatSession(session);
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