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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\Log; |
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use function date; |
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use function file_get_contents; |
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use function file_put_contents; |
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use function json_encode; |
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use function rtrim; |
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use function strtotime; |
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use function time; |
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use const JSON_PRETTY_PRINT; |
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/** |
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* Cache the data parsed by ActionLogParser. |
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*/ |
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final class ActionLogParsedCache |
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{ |
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/** |
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* $directory The directory where to store the logs in. |
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* |
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* @var string |
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*/ |
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protected $directory = ''; |
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/** |
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* Constructer. |
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* |
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* @param string $directory The directory where to store the logs in. |
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*/ |
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public function __construct(string $directory = '') |
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{ |
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$this->directory = $directory; |
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} |
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/** |
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* Save the data into a cache file. |
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* |
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* @param string $type The period type of action logs. |
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* @param string $data The parsed data of action logs. |
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* The keys are `time`, `ip_details`, `period_data`. |
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* |
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* @return self |
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*/ |
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public function save(string $type = 'today', array $data = []): self |
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{ |
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$data['time'] = time(); |
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$filePath = rtrim($this->directory, '/') . '/cache_' . $type . '.json'; |
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file_put_contents($filePath, json_encode($data, JSON_PRETTY_PRINT)); |
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return $this; |
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} |
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/** |
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* Get the data from a cache file. |
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* |
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* @param string $type The period type of action logs. |
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* |
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* @return array |
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*/ |
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public function get(string $type = 'today'): array |
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{ |
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$data = []; |
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$filePath = rtrim($this->directory, '/') . '/cache_' . $type . '.json'; |
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3 |
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if (file_exists($filePath)) { |
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$content = file_get_contents($filePath); |
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$data = json_decode($content, true); |
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2 |
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$cacheTime = $data['time']; |
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2 |
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$keepCache = true; |
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2 |
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switch ($type) { |
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case 'yesterday': |
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case 'past_seven_days': |
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2 |
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// Update cache file daily. |
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$endTime = strtotime(date('Y-m-d', strtotime('-1 day'))); |
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$beginTime = strtotime(date('Y-m-d', strtotime('-2 days'))); |
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1 |
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break; |
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1 |
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case 'last_month': |
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// Update cache file monthly. |
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$endTime = strtotime(date('Y-m-d', strtotime('-1 month'))); |
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$beginTime = strtotime(date('Y-m-d', strtotime('-2 months'))); |
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1 |
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break; |
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1 |
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case 'this_month': |
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// Update cache file daily. |
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$endTime = strtotime(date('Y-m-d', strtotime('-1 day'))); |
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$beginTime = strtotime(date('Y-m') . '-01'); |
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break; |
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case 'past_seven_hours': |
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case 'today': |
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default: |
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// Update cache file hourly. |
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$endTime = strtotime(date('Y-m-d H:00:00', time())); |
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$beginTime = strtotime(date('Y-m-d H:00:00', strtotime('-1 hour'))); |
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break; |
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} |
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2 |
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// The cacheTime is between beginTime and endTime. |
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// @codeCoverageIgnoreStart |
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if (($beginTime < $cacheTime) && ($endTime > $cacheTime)) { |
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$keepCache = false; |
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} |
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if (!$keepCache) { |
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$data = []; |
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} |
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// @codeCoverageIgnoreEnd |
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} |
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return $data; |
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} |
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} |
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terrylinooo /
shieldon
