<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;

class FirewallCollectCommand extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'firewall:collect';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Collects malicious IPs from json objects marked before';

    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * Execute the console command.
     *
     * @return int
     */
    public function handle()
    {
        $jsons_directory = "/var/log/asterisk/";
        $dir = scandir($jsons_directory);
        $ips = [];
        foreach($dir as $file){
            if(strpos($file,'.json')){
                $json_object = file_get_contents($jsons_directory.$file);
                $object_as_array = json_decode($json_object);
                foreach($object_as_array as $ip => $times){
                    if(strpos($ip,'.')){
                        $ips[$ip] = $times;
                    }
                }
                shell_exec('rm -f '.$jsons_directory.$file);
            }
        }

        $ips = array_unique($ips);
        shell_exec('iptables -F');
        foreach($ips as $ip => $times){
            shell_exec('iptables -A INPUT -s ' . $ip . ' -j DROP');
        }

        $ips_json = json_encode($ips);
        file_put_contents($jsons_directory.'complete-block-list.json',$ips_json);
        $this->info('Successfully blocked '.count($ips).' IP addresses');
        return 0;
    }
}