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<?php |
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/* |
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* MikoPBX - free phone system for small business |
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* Copyright (C) 2017-2020 Alexey Portnov and Nikolay Beketov |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along with this program. |
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* If not, see <https://www.gnu.org/licenses/>. |
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*/ |
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namespace MikoPBX\PBXCoreREST\Lib; |
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use MikoPBX\Common\Models\Fail2BanRules; |
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use MikoPBX\Core\System\Configs\Fail2BanConf; |
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use MikoPBX\Core\System\Processes; |
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use MikoPBX\Core\System\Util; |
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use MikoPBX\Core\System\Verify; |
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use Phalcon\Di\Injectable; |
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use SQLite3; |
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use Throwable; |
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class FirewallManagementProcessor extends Injectable |
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{ |
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/** |
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* Удалить адрес из бана. |
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* |
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* @param string $ip |
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* |
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* @return \MikoPBX\PBXCoreREST\Lib\PBXApiResult |
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*/ |
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public static function fail2banUnbanAll(string $ip): PBXApiResult |
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{ |
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$ip = trim($ip); |
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$res = new PBXApiResult(); |
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$res->processor = __METHOD__; |
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$res->success = true; |
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if ( ! Verify::isIpAddress($ip)) { |
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$res->success = false; |
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$res->messages[]="Not valid ip '{$ip}'."; |
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} |
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$fail2ban = new Fail2BanConf(); |
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if ($fail2ban->fail2ban_enable) { |
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$fail2ban = Util::which('fail2ban-client'); |
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$res->success = (Processes::mwExec("{$fail2ban} unban {$ip}") === 0); |
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} else { |
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$res = self::fail2banUnbanDb($ip); |
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} |
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return $res; |
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} |
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/** |
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* Возвращает массив забаненных ip. Либо данные по конкретному адресу. |
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* |
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* @param ?string $ip |
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* |
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* @return PBXApiResult |
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*/ |
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public static function getBanIp(?string $ip = null): PBXApiResult |
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{ |
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$res = new PBXApiResult(); |
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$res->processor = __METHOD__; |
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$res->success = true; |
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$res->data = self::getBanIpWithTime(); |
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return $res; |
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} |
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public static function getBanIpWithTime():array |
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{ |
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$result = []; |
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$sep = '"|"'; |
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$sepSpace = '" "'; |
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$fail2banPath = Util::which('fail2ban-client'); |
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$awkPath = Util::which('awk'); |
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try { |
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$shellData = str_replace("'", '"', shell_exec("$fail2banPath banned")); |
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$data = json_decode($shellData, true, 512, JSON_THROW_ON_ERROR); |
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$data = array_merge(... $data); |
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}catch (\Throwable $e){ |
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$data = []; |
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} |
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$jails = array_keys($data); |
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foreach ($jails as $jail){ |
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$data = []; |
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Processes::mwExec("$fail2banPath get $jail banip --with-time | $awkPath '{print $1 $sep $2 $sepSpace $3 $sep $7 $sepSpace $8 }'", $data); |
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foreach ($data as $ipData){ |
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$ipData = explode('|', $ipData); |
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$ip = $ipData[0]??''; |
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if(empty($ip)){ |
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continue; |
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} |
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$result[] = [ |
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'ip' => $ip, |
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'jail' => "{$jail}_v2", |
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'timeofban' => self::time2stamp($ipData[1]), |
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'timeunban' => self::time2stamp($ipData[2]), |
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'v' => '2', |
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]; |
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} |
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} |
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return $result; |
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} |
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/** |
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* Конвертация даты. |
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* @param $strTime |
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* @return int |
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*/ |
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public static function time2stamp($strTime):int |
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{ |
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$result = 0; |
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$d = \DateTime::createFromFormat('Y-m-d H:i:s', $strTime); |
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if ($d !== false) { |
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$result = $d->getTimestamp(); |
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} |
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return $result; |
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} |
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/** |
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* Удаление бана из базы. |
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* |
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* @param string $ip |
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* @param string $jail |
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* |
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* @return PBXApiResult |
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*/ |
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public static function fail2banUnbanDb(string $ip, string $jail = ''): PBXApiResult |
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{ |
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$res = new PBXApiResult(); |
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$res->processor = __METHOD__; |
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$jail_q = ($jail === '') ? '' : "AND jail = '{$jail}'"; |
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$path_db = Fail2BanConf::FAIL2BAN_DB_PATH; |
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if(!file_exists($path_db)){ |
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// Таблица не существует. Бана нет. |
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$res->success = false; |
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$res->messages[] = "DB {$path_db} not found"; |
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return $res; |
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} |
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$db = new SQLite3($path_db); |
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$db->busyTimeout(3000); |
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$fail2ban = new Fail2BanConf(); |
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if (false === $fail2ban->tableBanExists($db)) { |
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// Таблица не существует. Бана нет. |
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$res->success = true; |
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return $res; |
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} |
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$q = 'DELETE' . " FROM bans WHERE ip = '{$ip}' {$jail_q}"; |
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$db->query($q); |
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$err = $db->lastErrorMsg(); |
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$res->success = ($err === 'not an error'); |
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$res->messages[] = $err; |
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return $res; |
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} |
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} |
mikopbx /
Core
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.