WhitelistCommand.php

<?php
 
/*
 *
 *  ____            _        _   __  __ _                  __  __ ____
 * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
 * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
 * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
 * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * @author PocketMine Team
 * @link http://www.pocketmine.net/
 *
 *
 */
 
declare(strict_types=1);
 
namespace pocketmine\command\defaults;
 
use pocketmine\command\Command;
use pocketmine\command\CommandSender;
use pocketmine\command\utils\InvalidCommandSyntaxException;
use pocketmine\lang\KnownTranslationFactory;
use pocketmine\permission\DefaultPermissionNames;
use pocketmine\player\Player;
use pocketmine\Server;
use pocketmine\ServerProperties;
use function count;
use function implode;
use function sort;
use function strtolower;
use const SORT_STRING;
 
class WhitelistCommand extends VanillaCommand{
 
    public function __construct(string $namespace, string $name){
        parent::__construct(
            $namespace,
            $name,
            KnownTranslationFactory::pocketmine_command_whitelist_description(),
            KnownTranslationFactory::commands_whitelist_usage()
        );
        $this->setPermissions([
            DefaultPermissionNames::COMMAND_WHITELIST_RELOAD,
            DefaultPermissionNames::COMMAND_WHITELIST_ENABLE,
            DefaultPermissionNames::COMMAND_WHITELIST_DISABLE,
            DefaultPermissionNames::COMMAND_WHITELIST_LIST,
            DefaultPermissionNames::COMMAND_WHITELIST_ADD,
            DefaultPermissionNames::COMMAND_WHITELIST_REMOVE
        ]);
    }
 
    public function execute(CommandSender $sender, string $commandLabel, array $args){
        if(count($args) === 0){
            throw new InvalidCommandSyntaxException();
        }
        $testPermissionCtx = $commandLabel . " " . $args[0];
        if(count($args) === 1){
            switch(strtolower($args[0])){
                case "reload":
                    if($this->testPermission($testPermissionCtx, $sender, DefaultPermissionNames::COMMAND_WHITELIST_RELOAD)){
                        $server = $sender->getServer();
                        $server->getWhitelisted()->reload();
                        if($server->hasWhitelist()){
                            $this->kickNonWhitelistedPlayers($server);
                        }
                        Command::broadcastCommandMessage($sender, KnownTranslationFactory::commands_whitelist_reloaded());
                    }
 
                    return true;
                case "on":
                    if($this->testPermission($testPermissionCtx, $sender, DefaultPermissionNames::COMMAND_WHITELIST_ENABLE)){
                        $server = $sender->getServer();
                        $server->getConfigGroup()->setConfigBool(ServerProperties::WHITELIST, true);
                        $this->kickNonWhitelistedPlayers($server);
                        Command::broadcastCommandMessage($sender, KnownTranslationFactory::commands_whitelist_enabled());
                    }
 
                    return true;
                case "off":
                    if($this->testPermission($testPermissionCtx, $sender, DefaultPermissionNames::COMMAND_WHITELIST_DISABLE)){
                        $sender->getServer()->getConfigGroup()->setConfigBool(ServerProperties::WHITELIST, false);
                        Command::broadcastCommandMessage($sender, KnownTranslationFactory::commands_whitelist_disabled());
                    }
 
                    return true;
                case "list":
                    if($this->testPermission($testPermissionCtx, $sender, DefaultPermissionNames::COMMAND_WHITELIST_LIST)){
                        $entries = $sender->getServer()->getWhitelisted()->getAll(true);
                        sort($entries, SORT_STRING);
                        $result = implode(", ", $entries);
                        $count = (string) count($entries);
 
                        $sender->sendMessage(KnownTranslationFactory::commands_whitelist_list($count, $count));
                        $sender->sendMessage($result);
                    }
 
                    return true;
 
                case "add":
                    $sender->sendMessage(KnownTranslationFactory::commands_generic_usage(KnownTranslationFactory::commands_whitelist_add_usage()));
                    return true;
 
                case "remove":
                    $sender->sendMessage(KnownTranslationFactory::commands_generic_usage(KnownTranslationFactory::commands_whitelist_remove_usage()));
                    return true;
            }
        }elseif(count($args) === 2){
            if(!Player::isValidUserName($args[1])){
                throw new InvalidCommandSyntaxException();
            }
            switch(strtolower($args[0])){
                case "add":
                    if($this->testPermission($testPermissionCtx, $sender, DefaultPermissionNames::COMMAND_WHITELIST_ADD)){
                        $sender->getServer()->addWhitelist($args[1]);
                        Command::broadcastCommandMessage($sender, KnownTranslationFactory::commands_whitelist_add_success($args[1]));
                    }
 
                    return true;
                case "remove":
                    if($this->testPermission($testPermissionCtx, $sender, DefaultPermissionNames::COMMAND_WHITELIST_REMOVE)){
                        $server = $sender->getServer();
                        $server->removeWhitelist($args[1]);
                        if(!$server->isWhitelisted($args[1])){
                            $server->getPlayerExact($args[1])?->kick(KnownTranslationFactory::pocketmine_disconnect_kick(KnownTranslationFactory::pocketmine_disconnect_whitelisted()));
                        }
                        Command::broadcastCommandMessage($sender, KnownTranslationFactory::commands_whitelist_remove_success($args[1]));
                    }
 
                    return true;
            }
        }
 
        throw new InvalidCommandSyntaxException();
    }
 
    private function kickNonWhitelistedPlayers(Server $server) : void{
        $message = KnownTranslationFactory::pocketmine_disconnect_kick(KnownTranslationFactory::pocketmine_disconnect_whitelisted());
        foreach($server->getOnlinePlayers() as $player){
            if(!$server->isWhitelisted($player->getName())){
                $player->kick($message);
            }
        }
    }
}