mirror of https://github.com/GeyserMC/Geyser.git
88 lines
3.6 KiB
Java
88 lines
3.6 KiB
Java
/*
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* Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @author GeyserMC
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* @link https://github.com/GeyserMC/Geyser
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*/
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package org.geysermc.geyser.platform.spigot.command;
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import com.destroystokyo.paper.event.brigadier.AsyncPlayerSendCommandsEvent;
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import com.mojang.brigadier.tree.CommandNode;
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import org.bukkit.entity.Player;
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import org.bukkit.event.EventHandler;
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import org.bukkit.event.Listener;
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import org.geysermc.geyser.GeyserImpl;
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import org.geysermc.geyser.api.command.Command;
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import java.net.InetSocketAddress;
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import java.util.Iterator;
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import java.util.Map;
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public final class GeyserPaperCommandListener implements Listener {
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@SuppressWarnings("UnstableApiUsage")
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@EventHandler
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public void onCommandSend(AsyncPlayerSendCommandsEvent<?> event) {
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// Documentation says to check (event.isAsynchronous() || !event.hasFiredAsync()), but as of Paper 1.18.2
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// event.hasFiredAsync is never true
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if (event.isAsynchronous()) {
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CommandNode<?> geyserBrigadier = event.getCommandNode().getChild("geyser");
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if (geyserBrigadier != null) {
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Player player = event.getPlayer();
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boolean isJavaPlayer = isProbablyJavaPlayer(player);
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Map<String, Command> commands = GeyserImpl.getInstance().commandManager().getCommands();
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Iterator<? extends CommandNode<?>> it = geyserBrigadier.getChildren().iterator();
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while (it.hasNext()) {
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CommandNode<?> subnode = it.next();
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Command command = commands.get(subnode.getName());
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if (command != null) {
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if ((command.isBedrockOnly() && isJavaPlayer) || !player.hasPermission(command.permission())) {
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// Remove this from the node as we don't have permission to use it
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it.remove();
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}
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}
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}
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}
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}
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}
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/**
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* This early on, there is a rare chance that Geyser has yet to process the connection. We'll try to minimize that
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* chance, though.
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*/
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private boolean isProbablyJavaPlayer(Player player) {
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if (GeyserImpl.getInstance().connectionByUuid(player.getUniqueId()) != null) {
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// For sure this is a Bedrock player
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return false;
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}
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if (GeyserImpl.getInstance().getConfig().isUseDirectConnection()) {
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InetSocketAddress address = player.getAddress();
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if (address != null) {
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return address.getPort() != 0;
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}
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}
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return true;
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}
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}
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