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Fix Bukkit command map access (#2229)

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Luck 2020-04-28 12:57:40 +01:00
parent c03aca35d6
commit eb0d758efc
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3 changed files with 60 additions and 2 deletions
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3
bukkit/src/main/java/me/lucko/luckperms/bukkit/BukkitAsyncCommandExecutor.java
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@ -27,6 +27,7 @@ package me.lucko.luckperms.bukkit;
import com.destroystokyo.paper.event.server.AsyncTabCompleteEvent;
import me.lucko.luckperms.bukkit.util.CommandMapUtil;
import me.lucko.luckperms.common.command.utils.ArgumentTokenizer;
import me.lucko.luckperms.common.sender.Sender;
@ -62,7 +63,7 @@ public class BukkitAsyncCommandExecutor extends BukkitCommandExecutor {
}
String commandLabel = buffer.substring(0, firstSpace);
Command command = this.plugin.getBootstrap().getServer().getCommandMap().getCommand(commandLabel);
Command command = CommandMapUtil.getCommandMap(this.plugin.getBootstrap().getServer()).getCommand(commandLabel);
if (command != this.command) {
return;
}

3
bukkit/src/main/java/me/lucko/luckperms/bukkit/BukkitCommandExecutor.java
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@ -25,6 +25,7 @@
package me.lucko.luckperms.bukkit;
import me.lucko.luckperms.bukkit.util.CommandMapUtil;
import me.lucko.luckperms.common.command.CommandManager;
import me.lucko.luckperms.common.command.utils.ArgumentTokenizer;
import me.lucko.luckperms.common.config.ConfigKeys;
@ -113,7 +114,7 @@ public class BukkitCommandExecutor extends CommandManager implements CommandExec
commandLabel = buffer.substring(0, firstSpace);
}
Command command = this.plugin.getBootstrap().getServer().getCommandMap().getCommand(commandLabel);
Command command = CommandMapUtil.getCommandMap(this.plugin.getBootstrap().getServer()).getCommand(commandLabel);
if (command != this.command) {
return;
}

56
bukkit/src/main/java/me/lucko/luckperms/bukkit/util/CommandMapUtil.java Normal file
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@ -0,0 +1,56 @@
/*
* This file is part of LuckPerms, licensed under the MIT License.
*
* Copyright (c) lucko (Luck) <luck@lucko.me>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package me.lucko.luckperms.bukkit.util;
import org.bukkit.Server;
import org.bukkit.command.CommandMap;
import org.bukkit.plugin.SimplePluginManager;
import java.lang.reflect.Field;
public final class CommandMapUtil {
private CommandMapUtil() {}
private static final Field COMMAND_MAP_FIELD;
static {
try {
COMMAND_MAP_FIELD = SimplePluginManager.class.getDeclaredField("commandMap");
COMMAND_MAP_FIELD.setAccessible(true);
} catch (NoSuchFieldException e) {
throw new ExceptionInInitializerError(e);
}
}
public static CommandMap getCommandMap(Server server) {
try {
return (CommandMap) COMMAND_MAP_FIELD.get(server.getPluginManager());
} catch (Exception e) {
throw new RuntimeException("Could not get CommandMap", e);
}
}
}