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81 lines
4.5 KiB
Diff
81 lines
4.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 3 Mar 2016 01:17:12 -0600
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Subject: [PATCH] Improve Player chat API handling
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Properly split up the chat and command handling to reflect the server now
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having separate packets for both, and the client always using the correct packet. Text
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from a chat packet should never be parsed into a command, even if it starts with the `/`
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character.
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Add a missing async catcher and improve Spigot's async catcher error message.
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== AT ==
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public net.minecraft.server.network.ServerGamePacketListenerImpl isChatMessageIllegal(Ljava/lang/String;)Z
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Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
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Co-authored-by: SoSeDiK <mrsosedik@gmail.com>
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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 4f50e2f5de529813c269b7670a47e06306575b60..f9050a1d255780d5131200e8b31bd91154907af6 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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@@ -2013,7 +2013,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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}
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OutgoingChatMessage outgoing = OutgoingChatMessage.create(original);
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- if (!async && s.startsWith("/")) {
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+ if (false && !async && s.startsWith("/")) { // Paper - Don't handle commands in chat logic
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this.handleCommand(s);
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} else if (this.player.getChatVisibility() == ChatVisiblity.SYSTEM) {
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// Do nothing, this is coming from a plugin
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@@ -2100,7 +2100,8 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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}
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}
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- private void handleCommand(String s) {
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+ public void handleCommand(String s) { // Paper - private -> public
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+ org.spigotmc.AsyncCatcher.catchOp("Command Dispatched Async: " + s); // Paper - Add async catcher
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co.aikar.timings.MinecraftTimings.playerCommandTimer.startTiming(); // Paper
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if ( org.spigotmc.SpigotConfig.logCommands ) // Spigot
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this.LOGGER.info(this.player.getScoreboardName() + " issued server command: " + s);
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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index 7c97ec4aa57562a8383a40e493eaa8a3697208bb..78193f0d66c2755ed238824bcd24ced9f9052188 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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@@ -925,7 +925,7 @@ public final class CraftServer implements Server {
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public boolean dispatchCommand(CommandSender sender, String commandLine) {
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Preconditions.checkArgument(sender != null, "sender cannot be null");
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Preconditions.checkArgument(commandLine != null, "commandLine cannot be null");
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- org.spigotmc.AsyncCatcher.catchOp("command dispatch"); // Spigot
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+ org.spigotmc.AsyncCatcher.catchOp("Command Dispatched Async: " + commandLine); // Spigot // Paper - Include command in error message
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if (this.commandMap.dispatch(sender, commandLine)) {
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return true;
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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index e42b928d7019b636d4fd092d4a222208a7787bcb..783db0dc65725c49ffc4af0f2ca7357ab051d12c 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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@@ -546,7 +546,20 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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if (this.getHandle().connection == null) return;
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- this.getHandle().connection.chat(msg, PlayerChatMessage.system(msg), false);
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+ // Paper start - Improve chat handling
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+ if (ServerGamePacketListenerImpl.isChatMessageIllegal(msg)) {
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+ this.getHandle().connection.disconnect(Component.translatable("multiplayer.disconnect.illegal_characters"));
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+ } else {
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+ if (msg.startsWith("/")) {
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+ this.getHandle().connection.handleCommand(msg);
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+ } else {
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+ final PlayerChatMessage playerChatMessage = PlayerChatMessage.system(msg).withUnsignedContent(Component.literal(msg));
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+ // TODO chat decorating
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+ // TODO text filtering
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+ this.getHandle().connection.chat(msg, playerChatMessage, false);
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+ }
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+ }
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+ // Paper end - Improve chat handling
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}
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@Override
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