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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\AbstractDriver; |
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/** |
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* Driver Provider. |
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*/ |
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class DriverProvider extends AbstractDriver |
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{ |
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/** |
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* Data table for regular filter logs. |
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* |
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* @var string |
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*/ |
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protected $tableFilterLogs = 'shieldon_filter_logs'; |
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/** |
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* Data table name for whitelist. |
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* |
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* @var string |
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*/ |
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protected $tableRuleList = 'shieldon_rule_list'; |
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/** |
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* Data table for recording online session count. |
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* |
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* @var string |
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*/ |
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protected $tableSessions = 'shieldon_sessions'; |
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/** |
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* The prefix of the database tables, or the name of file directory. |
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* |
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* @var string |
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*/ |
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protected $channel = ''; |
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/** |
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* Check if is initialized or not. |
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* |
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* @var bool |
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*/ |
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protected $isInitialized = false; |
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/** |
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* The table types. |
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* |
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* @var array |
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*/ |
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protected $tableTypes = [ |
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'rule', |
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'filter', |
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'session', |
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]; |
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/** |
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* Set data channel. |
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* |
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* @param string $channel The prefix of the data tables. |
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* |
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* @return void |
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*/ |
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public function setChannel(string $channel): void |
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{ |
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$this->channel = $channel; |
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if (!empty($this->channel)) { |
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$this->tableFilterLogs = $this->channel . '_shieldon_filter_logs'; |
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$this->tableRuleList = $this->channel . '_shieldon_rule_list'; |
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$this->tableSessions = $this->channel . '_shieldon_sessions'; |
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} |
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} |
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/** |
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* Get channel name. |
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* |
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* @return string |
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*/ |
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public function getChannel(): string |
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{ |
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return $this->channel; |
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} |
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/** |
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* Return parsed full data structure. |
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* |
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* @param array $data The data needed to be parsed. |
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* @param string $type The type of data table. accepts: filter | session | rule |
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* |
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* @return array |
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*/ |
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public function parseData(array $data, string $type = 'filter'): array |
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{ |
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$parsedData = []; |
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switch ($type) { |
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// Rule table data structure. |
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case 'rule': |
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break; |
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// Session table data structure. |
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case 'session': |
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break; |
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// Log table data structure. |
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case 'filter': |
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// no break |
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default: |
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$fields = [ |
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// Basic IP data. |
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'ip' => 'string', |
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'session' => 'string', |
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'hostname' => 'string', |
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// timesamp while visting first time. |
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'first_time_s' => 'int', |
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'first_time_m' => 'int', |
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'first_time_h' => 'int', |
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'first_time_d' => 'int', |
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'first_time_flag' => 'int', |
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'last_time' => 'int', |
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// Signals for flagged bad behavior. |
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'flag_js_cookie' => 'int', |
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'flag_multi_session' => 'int', |
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'flag_empty_referer' => 'int', |
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// Pageview count. |
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'pageviews_cookie' => 'int', |
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'pageviews_s' => 'int', |
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'pageviews_m' => 'int', |
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'pageviews_h' => 'int', |
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'pageviews_d' => 'int', |
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]; |
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foreach ($fields as $k => $v) { |
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$tmp = $data[$k] ?? ''; |
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if ('string' === $v) { |
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$parsedData[$k] = (string) $tmp; |
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} |
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if ('int' === $v) { |
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$parsedData[$k] = (int) $tmp; |
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} |
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} |
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break; |
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// end switch |
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} |
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return $parsedData; |
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} |
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// @codeCoverageIgnoreStart |
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/** |
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* Implement fetch. |
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* |
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* @param string $ip The data id of the entry to fetch. |
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* @param string $type The type of data table. accepts: filter | session | rule |
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* |
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* @return array The data or an empty array. |
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*/ |
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protected function doFetch(string $ip, string $type = 'filter'): array |
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{ |
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return []; |
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} |
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/** |
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* Implement fetch all. |
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* |
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* @param string $type The type of data table. accepts: filter | session | rule |
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* |
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* @return array The data or an empty array. |
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*/ |
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protected function doFetchAll(string $type = 'filter'): array |
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{ |
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return []; |
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} |
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/** |
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* Implement has. |
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* |
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* @param string $ip The data id of the entry to check for. |
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* @param string $type The type of data table. accepts: filter | session | rule |
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* |
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* @return bool |
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*/ |
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protected function checkExist(string $ip, string $type = 'filter'): bool |
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{ |
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return false; |
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} |
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/** |
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* Implement save. |
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* |
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* @param string $ip The IP address as the data id. |
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* @param array $data The data. |
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* @param string $type The type of the data table. |
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* @param int $expire The data will be deleted after expiring. |
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* |
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* @return bool |
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*/ |
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protected function doSave(string $ip, array $data, string $type = 'filter', $expire = 0): bool |
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{ |
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return false; |
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} |
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/** |
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* Implement delete. |
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* |
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* @param string $ip The IP address. |
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* @param string $type The type of data table. accepts: filter | session | rule |
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* |
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* @return bool |
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*/ |
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protected function doDelete(string $ip, string $type = 'filter'): bool |
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{ |
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return false; |
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} |
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/** |
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* Rebuild data tables. |
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* |
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* @return bool |
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*/ |
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protected function doRebuild(): bool |
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{ |
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return false; |
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} |
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/** |
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* Initialize data tables. |
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* |
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* @param bool $dbCheck This is for creating data tables automatically |
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* Turn it off, if you don't want to check data tables every pageview. |
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* |
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* @return void |
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*/ |
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protected function doInitialize(bool $dbCheck = true): void |
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{ |
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} |
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/** |
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* Check data type. |
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* |
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* @param string $type The type of the data tables. |
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* |
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* @return void |
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*/ |
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protected function assertInvalidDataTable(string $type): void |
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{ |
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if (!in_array($type, $this->tableTypes)) { |
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throw new RuntimeException( |
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'Invalid data type of the data tables.' |
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); |
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} |
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} |
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// @codeCoverageIgnoreEnd |
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} |
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