Paper/patches/server/0730-Vanilla-command-permission-fixes.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
Date: Wed, 25 Aug 2021 13:19:53 -0700
Subject: [PATCH] Vanilla command permission fixes
Fixes permission checks for vanilla commands which don't have a
requirement, as well as for namespaced vanilla commands.
diff --git a/src/main/java/com/mojang/brigadier/builder/ArgumentBuilder.java b/src/main/java/com/mojang/brigadier/builder/ArgumentBuilder.java
index 899008b2980d13f1be6280cd8cb959c53a29bebf..f875507241ac6769545e91cd3285232b75b892f0 100644
--- a/src/main/java/com/mojang/brigadier/builder/ArgumentBuilder.java
+++ b/src/main/java/com/mojang/brigadier/builder/ArgumentBuilder.java
@@ -14,9 +14,17 @@ import java.util.Collections;
import java.util.function.Predicate;
public abstract class ArgumentBuilder<S, T extends ArgumentBuilder<S, T>> {
+ // Paper start
+ private static final Predicate<Object> DEFAULT_REQUIREMENT = s -> true;
+
+ @SuppressWarnings("unchecked")
+ public static <S> Predicate<S> defaultRequirement() {
+ return (Predicate<S>) DEFAULT_REQUIREMENT;
+ }
+ // Paper end
private final RootCommandNode<S> arguments = new RootCommandNode<>();
private Command<S> command;
- private Predicate<S> requirement = s -> true;
+ private Predicate<S> requirement = defaultRequirement(); // Paper
private CommandNode<S> target;
private RedirectModifier<S> modifier = null;
private boolean forks;
diff --git a/src/main/java/net/minecraft/commands/Commands.java b/src/main/java/net/minecraft/commands/Commands.java
2021-12-10 03:02:41 +01:00
index 112dddca796f9d987c321174bf9d6ad98dbb7a5e..f6b73f8c6638ddf79e45042f5c8902ea1f271f5c 100644
--- a/src/main/java/net/minecraft/commands/Commands.java
+++ b/src/main/java/net/minecraft/commands/Commands.java
2021-11-25 03:35:24 +01:00
@@ -211,6 +211,13 @@ public class Commands {
PublishCommand.register(this.dispatcher);
}
+ // Paper start
+ for (final CommandNode<CommandSourceStack> node : this.dispatcher.getRoot().getChildren()) {
+ if (node.getRequirement() == com.mojang.brigadier.builder.ArgumentBuilder.<CommandSourceStack>defaultRequirement()) {
2021-10-09 05:39:59 +02:00
+ node.requirement = stack -> stack.source == CommandSource.NULL || stack.getBukkitSender().hasPermission(org.bukkit.craftbukkit.command.VanillaCommandWrapper.getPermission(node));
+ }
+ }
+ // Paper end
this.dispatcher.findAmbiguities((commandnode, commandnode1, commandnode2, collection) -> {
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// CommandDispatcher.LOGGER.warn("Ambiguity between arguments {} and {} with inputs: {}", this.dispatcher.getPath(commandnode1), this.dispatcher.getPath(commandnode2), collection); // CraftBukkit
});
diff --git a/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java b/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java
index 0377c706c9aec6f367e83f859f9a3432ad5bba4a..e9d1fb479855194da5a05e86861848158736cbb4 100644
--- a/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java
+++ b/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java
@@ -87,7 +87,23 @@ public final class VanillaCommandWrapper extends BukkitCommand {
}
public static String getPermission(CommandNode<CommandSourceStack> vanillaCommand) {
- return "minecraft.command." + ((vanillaCommand.getRedirect() == null) ? vanillaCommand.getName() : vanillaCommand.getRedirect().getName());
+ // Paper start
+ final String commandName;
+ if (vanillaCommand.getRedirect() == null) {
+ commandName = vanillaCommand.getName();
+ } else {
+ commandName = vanillaCommand.getRedirect().getName();
+ }
+ return "minecraft.command." + stripDefaultNamespace(commandName);
+ }
+
+ private static String stripDefaultNamespace(final String maybeNamespaced) {
+ final String prefix = "minecraft:";
+ if (maybeNamespaced.startsWith(prefix)) {
+ return maybeNamespaced.substring(prefix.length());
+ }
+ return maybeNamespaced;
+ // Paper end
}
private String toDispatcher(String[] args, String name) {