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<?php |
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/** |
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* This file is part of the Shieldon package. |
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* |
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* (c) Terry L. <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* php version 7.1.0 |
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* |
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* @category Web-security |
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* @package Shieldon |
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* @author Terry Lin <[email protected]> |
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* @copyright 2019 terrylinooo |
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* @license https://github.com/terrylinooo/shieldon/blob/2.x/LICENSE MIT |
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* @link https://github.com/terrylinooo/shieldon |
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* @see https://shieldon.io |
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*/ |
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declare(strict_types=1); |
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namespace Shieldon\Firewall\Driver; |
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use Shieldon\Firewall\Driver\SqlDriverProvider; |
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use Exception; |
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use PDO; |
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/** |
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* Sqlite Driver. |
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*/ |
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class SqliteDriver extends SqlDriverProvider |
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{ |
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/** |
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* Constructor. |
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* |
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* @param PDO $pdo The PDO instance. |
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* @param bool $debug The option to enable debugging or not. |
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* |
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* @return void |
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*/ |
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public function __construct(PDO $pdo, bool $debug = false) |
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{ |
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parent::__construct($pdo, $debug); |
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} |
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/** |
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* Create SQL tables that Shieldon needs. |
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* |
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* @return bool |
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*/ |
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protected function installSql(): bool |
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{ |
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try { |
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$sql = " |
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CREATE TABLE IF NOT EXISTS {$this->tableFilterLogs} ( |
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log_ip VARCHAR(46) PRIMARY KEY, |
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log_data BLOB |
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); |
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"; |
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$this->db->query($sql); |
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$sql = " |
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CREATE TABLE IF NOT EXISTS {$this->tableRuleList} ( |
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log_ip VARCHAR(46) PRIMARY KEY, |
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ip_resolve VARCHAR(255), |
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type TINYINT(3), |
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reason TINYINT(3), |
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time INT(10), |
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attempts INT(10) |
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); |
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"; |
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$this->db->query($sql); |
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$sql = " |
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CREATE TABLE IF NOT EXISTS {$this->tableSessions} ( |
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id VARCHAR(40) PRIMARY KEY, |
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ip VARCHAR(46), |
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time INT(10), |
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microtimestamp BIGINT(20), |
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data |
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); |
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"; |
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$this->db->query($sql); |
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return true; |
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// @codeCoverageIgnoreStart |
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} catch (Exception $e) { |
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return false; |
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} |
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// @codeCoverageIgnoreEnd |
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} |
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/** |
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* Check required tables exist or not. |
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* |
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* @return bool |
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*/ |
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protected function checkTableExists(): bool |
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{ |
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// Try a select statement against the table |
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// Run it in try/catch in case PDO is in ERRMODE_EXCEPTION. |
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// $debug should be false, otherwise an error occurs. |
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try { |
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$result = $this->db->query("SELECT 1 FROM $this->tableFilterLogs LIMIT 1"); |
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// @codeCoverageIgnoreStart |
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} catch (Exception $e) { |
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// We got an exception == table not found |
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return false; |
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} |
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// @codeCoverageIgnoreEnd |
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return ($result !== false); |
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} |
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} |
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terrylinooo /
shieldon
