64 lines
2.1 KiB
PHP
64 lines
2.1 KiB
PHP
<?php
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/**
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* Adapted from Purge Transients by Seebz
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* https://github.com/Seebz/Snippets/tree/master/Wordpress/plugins/purge-transients
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*
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* @package automattic/jetpack-waf
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*/
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namespace Automattic\Jetpack\Waf\Brute_Force_Protection;
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/**
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* Transient Cleanup class.
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*/
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class Brute_Force_Protection_Transient_Cleanup {
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/**
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* Jetpack Purge Transients.
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*
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* @access public
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* @param string $older_than (default: '1 hour') Older Than.
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*/
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public static function jp_purge_transients( $older_than = '1 hour' ) {
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global $wpdb;
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$older_than_time = strtotime( '-' . $older_than );
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if ( $older_than_time > time() || $older_than_time < 1 ) {
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return false;
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}
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$sql = $wpdb->prepare(
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// phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.LikeWildcardsInQuery
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"SELECT REPLACE(option_name, '_transient_timeout_jpp_', '') AS transient_name FROM {$wpdb->options} WHERE option_name LIKE '\_transient\_timeout\_jpp\__%%' AND option_value < %d",
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$older_than_time
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);
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$transients = $wpdb->get_col( $sql ); // phpcs:ignore WordPress.DB -- $sql is prepared above.
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$options_names = array();
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foreach ( $transients as $transient ) {
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$options_names[] = '_transient_jpp_' . $transient;
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$options_names[] = '_transient_timeout_jpp_' . $transient;
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}
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if ( $options_names ) {
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$option_names_string = implode( ', ', array_fill( 0, count( $options_names ), '%s' ) );
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$result = $wpdb->query( // phpcs:ignore WordPress.DB.DirectDatabaseQuery
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$wpdb->prepare(
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"DELETE FROM {$wpdb->options} WHERE option_name IN ($option_names_string)", // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared,WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare -- the placeholders are set above.
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$options_names
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)
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);
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if ( ! $result ) {
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return false;
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}
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}
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}
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/**
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* Jetpack Purge Transients Activation.
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*
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* @access public
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* @return void
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*/
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public static function jp_purge_transients_activation() {
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if ( ! wp_next_scheduled( 'jp_purge_transients_cron' ) ) {
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wp_schedule_event( time(), 'daily', 'jp_purge_transients_cron' );
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}
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}
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}
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