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Vanilla command permission fixes (fixes #6085) (#6490)

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Fixes permission checks for vanilla commands which don't have a
requirement, as well as for namespaced vanilla commands.
This commit is contained in:
Jason Penilla 2021-08-25 17:20:24 -05:00
parent 3c13186e4e
commit 7a51a16318
3 changed files with 82 additions and 1 deletions
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3
build-data/paper.at
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@ -237,3 +237,6 @@ public-f net.minecraft.world.level.chunk.DataLayer
# Add methods to get translation keys
public org.bukkit.craftbukkit.inventory.CraftMetaFirework
public org.bukkit.craftbukkit.inventory.CraftMetaFirework getNBT(Lorg/bukkit/FireworkEffect$Type;)I
# Vanilla command permission fixes
public-f com.mojang.brigadier.tree.CommandNode requirement

2
patches/server/Optimize-brigadier-child-sorting-performance.patch
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@ -16,7 +16,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ private Map<String, CommandNode<S>> children = Maps.newTreeMap(); //Paper - Switch to tree map for automatic sorting
private Map<String, LiteralCommandNode<S>> literals = Maps.newLinkedHashMap();
private Map<String, ArgumentCommandNode<S, ?>> arguments = Maps.newLinkedHashMap();
private final Predicate<S> requirement;
public Predicate<S> requirement;
@@ -0,0 +0,0 @@ public abstract class CommandNode<S> implements Comparable<CommandNode<S>> {
}
}

78
patches/server/Vanilla-command-permission-fixes.patch Normal file
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@ -0,0 +1,78 @@
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 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/com/mojang/brigadier/builder/ArgumentBuilder.java
+++ b/src/main/java/com/mojang/brigadier/builder/ArgumentBuilder.java
@@ -0,0 +0,0 @@ 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
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/commands/Commands.java
+++ b/src/main/java/net/minecraft/commands/Commands.java
@@ -0,0 +0,0 @@ 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()) {
+ node.requirement = stack -> stack.getBukkitSender().hasPermission(org.bukkit.craftbukkit.command.VanillaCommandWrapper.getPermission(node));
+ }
+ }
+ // Paper end
this.dispatcher.findAmbiguities((commandnode, commandnode1, commandnode2, collection) -> {
// CommandDispatcher.LOGGER.warn("Ambiguity between arguments {} and {} with inputs: {}", this.b.getPath(commandnode1), this.b.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 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java
+++ b/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java
@@ -0,0 +0,0 @@ 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) {