BanIpCommand.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 function array_shift;
use function count;
use function implode;
use function inet_pton;
 
class BanIpCommand extends VanillaCommand{
 
    public function __construct(string $namespace, string $name){
        parent::__construct(
            $namespace,
            $name,
            KnownTranslationFactory::pocketmine_command_ban_ip_description(),
            KnownTranslationFactory::commands_banip_usage()
        );
        $this->setPermission(DefaultPermissionNames::COMMAND_BAN_IP);
    }
 
    public function execute(CommandSender $sender, string $commandLabel, array $args){
        if(count($args) === 0){
            throw new InvalidCommandSyntaxException();
        }
 
        $value = array_shift($args);
        $reason = implode(" ", $args);
 
        if(inet_pton($value) !== false){
            $this->processIPBan($value, $sender, $reason);
 
            Command::broadcastCommandMessage($sender, KnownTranslationFactory::commands_banip_success($value));
        }else{
            if(($player = $sender->getServer()->getPlayerByPrefix($value)) instanceof Player){
                $ip = $player->getNetworkSession()->getIp();
                $this->processIPBan($ip, $sender, $reason);
 
                Command::broadcastCommandMessage($sender, KnownTranslationFactory::commands_banip_success_players($ip, $player->getName()));
            }else{
                $sender->sendMessage(KnownTranslationFactory::commands_banip_invalid());
 
                return false;
            }
        }
 
        return true;
    }
 
    private function processIPBan(string $ip, CommandSender $sender, string $reason) : void{
        $sender->getServer()->getIPBans()->addBan($ip, $reason, null, $sender->getName());
 
        foreach($sender->getServer()->getOnlinePlayers() as $player){
            if($player->getNetworkSession()->getIp() === $ip){
                $player->kick(KnownTranslationFactory::pocketmine_disconnect_ban($reason !== "" ? $reason : KnownTranslationFactory::pocketmine_disconnect_ban_ip()));
            }
        }
 
        $sender->getServer()->getNetwork()->blockAddress($ip, -1);
    }
}