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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. <contact@terryl.in>
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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 <contact@terryl.in>
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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 RuntimeException;
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use function is_dir;
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use function mkdir;
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use function str_replace;
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use function umask;
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/**
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* SQL Driver Trait
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*/
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trait FileDriverTrait
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{
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/**
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* Create a directory for storing data files.
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*
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* @return bool
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*/
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protected function createDirectory(): bool
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{
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$conA = $conB = $conC = false;
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$originalUmask = umask(0);
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if (!is_dir($this->getDirectory('filter'))) {
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$conA = mkdir($this->getDirectory('filter'), 0777, true);
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}
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if (!is_dir($this->getDirectory('rule'))) {
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$conB = mkdir($this->getDirectory('rule'), 0777, true);
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}
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if (!is_dir($this->getDirectory('session'))) {
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$conC = mkdir($this->getDirectory('session'), 0777, true);
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}
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umask($originalUmask);
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if ($conA && $conB && $conC) {
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return true;
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}
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return false;
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}
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/**
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* Check the directory if is writable.
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*
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* Not real use in Kernel. only use it in unit tests.
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*
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* @return bool
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*/
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protected function checkDirectory(): bool
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{
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if (
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!is_dir($this->directory) ||
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!is_writable($this->directory)
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) {
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throw new RuntimeException(
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'The directory defined by File Driver must be writable. (' . $this->directory . ')'
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);
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}
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return true;
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}
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/**
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* Get filename.
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*
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* @param string $ip IP address.
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* @param string $type The table name of the data cycle.
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*
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* @return string
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*/
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private function getFilename(string $ip, string $type = 'filter'): string
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{
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$ip = str_replace(':', '-', $ip);
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$path = [];
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$path['filter'] = $this->directory . '/' . $this->tableFilterLogs . '/' . $ip . '.' . $this->extension;
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$path['session'] = $this->directory . '/' . $this->tableSessions . '/' . $ip . '.' . $this->extension;
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$path['rule'] = $this->directory . '/' . $this->tableRuleList . '/' . $ip . '.' . $this->extension;
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return $path[$type] ?? '';
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}
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/**
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* Get directory.
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*
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* @param string $type The table name of the data cycle.
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*
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* @return string
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*/
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private function getDirectory(string $type = 'filter'): string
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{
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$path = [];
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$path['filter'] = $this->directory . '/' . $this->tableFilterLogs;
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$path['session'] = $this->directory . '/' . $this->tableSessions;
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$path['rule'] = $this->directory . '/' . $this->tableRuleList;
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return $path[$type] ?? '';
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}
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}
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terrylinooo