mcp/app/Commands/Fail2banEnableCommand.php

<?php

namespace App\Commands;

use Illuminate\Console\Scheduling\Schedule;
use LaravelZero\Framework\Commands\Command;

/**
 *  Enable Fail2ban Configuration
 *
 *
 *  @author Björn Hase, Tentakelfabrik
 *  @license http://opensource.org/licenses/MIT The MIT License
 *  @link https://gitea.tentakelfabrik.de/Tentakelfabrik/mcp
 *
 */
class Fail2banEnableCommand extends Command
{
    // destination to jail
    const DESTINATION_FAIL2BAN_JAIL_DIRECTORY = '/etc/fail2ban/jail.d';

    // source to jail
    const SOURCE_FAIL2BAN_JAIL_DIRECTORY = '/resources/fail2ban/jail.d';

    /**
     * The signature of the command.
     *
     * @var string
     */
    protected $signature = 'fail2ban:enable {configuration}';

    /**
     * The description of the command.
     *
     * @var string
     */
    protected $description = 'enable fail2ban configuration';

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        // getting configuration
        $configuration = $this->argument('configuration');

        $source = base_path().self::SOURCE_FAIL2BAN_JAIL_DIRECTORY.'/'.$configuration.'.conf';

        // configuration not found
        if (!file_exists($source)) {
            $this->error('fail2ban...configuration not found');
            exit();
        }

        $destination = self::DESTINATION_FAIL2BAN_JAIL_DIRECTORY.'/'.$configuration.'.conf';

        // configuration already enabled
        if (file_exists($destination)) {
            $this->info('fail2ban...configuration already enabled');
            exit();
        }

        copy($source, $destination);
        system('service fail2ban restart');

        $this->info('Fail2ban...'.$configuration.' enabled');
    }
}