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File Name : RateLimits.php

<?php
namespace Automattic\WooCommerce\StoreApi\Utilities;

use WC_Rate_Limiter;
use WC_Cache_Helper;

/**
 * RateLimits class.
 */
class RateLimits extends WC_Rate_Limiter {

/**
	 * Cache group.
	 */
	const CACHE_GROUP = 'store_api_rate_limit';

/**
	 * Rate limiting enabled default value.
	 *
	 * @var boolean
	 */
	const ENABLED = false;

/**
	 * Proxy support enabled default value.
	 *
	 * @var boolean
	 */
	const PROXY_SUPPORT = false;

/**
	 * Default amount of max requests allowed for the defined timeframe.
	 *
	 * @var int
	 */
	const LIMIT = 25;

/**
	 * Default time in seconds before rate limits are reset.
	 *
	 * @var int
	 */
	const SECONDS = 10;

/**
	 * Gets a cache prefix.
	 *
	 * @param string $action_id Identifier of the action.
	 * @return string
	 */
	protected static function get_cache_key( $action_id ): string {
		return WC_Cache_Helper::get_cache_prefix( 'store_api_rate_limit' . $action_id );
	}

/**
	 * Get current rate limit row from DB and normalize types. This query is not cached, and returns
	 * a new rate limit row if none exists.
	 *
	 * @param string $action_id Identifier of the action.
	 *
	 * @return object Object containing reset and remaining.
	 */
	protected static function get_rate_limit_row( string $action_id ): object {
		global $wpdb;

$time = time();

$row = $wpdb->get_row(
			$wpdb->prepare(
				"
					SELECT rate_limit_expiry as reset, rate_limit_remaining as remaining
					FROM {$wpdb->prefix}wc_rate_limits
					WHERE rate_limit_key = %s
					AND rate_limit_expiry > %s
				",
				$action_id,
				$time
			),
			'OBJECT'
		);

if ( empty( $row ) ) {
			$options = self::get_options();

return (object) [
				'reset'     => (int) $options->seconds + $time,
				'remaining' => (int) $options->limit,
			];
		}

return (object) [
			'reset'     => (int) $row->reset,
			'remaining' => (int) $row->remaining,
		];
	}

/**
	 * Returns current rate limit values using cache where possible.
	 *
	 * @param string $action_id Identifier of the action.
	 *
	 * @return object
	 */
	public static function get_rate_limit( string $action_id ): object {
		$current_limit = self::get_cached( $action_id );

if ( false === $current_limit ) {
			$current_limit = self::get_rate_limit_row( $action_id );
			self::set_cache( $action_id, $current_limit );
		}

return $current_limit;
	}

/**
	 * If exceeded, seconds until reset.
	 *
	 * @param string $action_id Identifier of the action.
	 *
	 * @return bool|int
	 */
	public static function is_exceeded_retry_after( string $action_id ) {
		$current_limit = self::get_rate_limit( $action_id );
		$time          = time();
		// Before the next run is allowed, retry forbidden.
		if ( $time <= (int) $current_limit->reset && 0 === (int) $current_limit->remaining ) {
			return (int) $current_limit->reset - $time;
		}

// After the next run is allowed, retry allowed.
		return false;
	}

/**
	 * Sets the rate limit delay in seconds for action with identifier $id.
	 *
	 * @param string $action_id Identifier of the action.
	 *
	 * @return object Current rate limits.
	 */
	public static function update_rate_limit( string $action_id ): object {
		global $wpdb;

$options           = self::get_options();
		$time              = time();
		$rate_limit_expiry = $time + (int) $options->seconds;

$wpdb->query(
			$wpdb->prepare(
				"INSERT INTO {$wpdb->prefix}wc_rate_limits
					(`rate_limit_key`, `rate_limit_expiry`, `rate_limit_remaining`)
				VALUES
					(%s, %d, %d)
				ON DUPLICATE KEY UPDATE
					`rate_limit_remaining` = IF(`rate_limit_expiry` < %d, VALUES(`rate_limit_remaining`), GREATEST(`rate_limit_remaining` - 1, 0)),
					`rate_limit_expiry` = IF(`rate_limit_expiry` < %d, VALUES(`rate_limit_expiry`), `rate_limit_expiry`);
				",
				$action_id,
				$rate_limit_expiry,
				(int) $options->limit - 1,
				$time,
				$time
			)
		);

$current_limit = self::get_rate_limit_row( $action_id );

self::set_cache( $action_id, $current_limit );

return $current_limit;
	}

/**
	 * Retrieve a cached store api rate limit.
	 *
	 * @param string $action_id Identifier of the action.
	 * @return false|object
	 */
	protected static function get_cached( $action_id ) {
		return wp_cache_get( self::get_cache_key( $action_id ), self::CACHE_GROUP );
	}

/**
	 * Cache a rate limit.
	 *
	 * @param string $action_id Identifier of the action.
	 * @param object $current_limit Current limit object with expiry and retries remaining.
	 * @return bool
	 */
	protected static function set_cache( $action_id, $current_limit ): bool {
		return wp_cache_set( self::get_cache_key( $action_id ), $current_limit, self::CACHE_GROUP );
	}

/**
	 * Return options for Rate Limits, to be returned by the "woocommerce_store_api_rate_limit_options" filter.
	 *
	 * @return object Default options.
	 */
	public static function get_options(): object {
		$default_options = [
			/**
			 * Filters the Store API rate limit check, which is disabled by default.
			 *
			 * This can be used also to disable the rate limit check when testing API endpoints via a REST API client.
			 */
			'enabled'       => self::ENABLED,

/**
			 * Filters whether proxy support is enabled for the Store API rate limit check. This is disabled by default.
			 *
			 * If the store is behind a proxy, load balancer, CDN etc. the user can enable this to properly obtain
			 * the client's IP address through standard transport headers.
			 */
			'proxy_support' => self::PROXY_SUPPORT,

'limit'         => self::LIMIT,
			'seconds'       => self::SECONDS,
		];

return (object) array_merge( // By using array_merge we ensure we get a properly populated options object.
			$default_options,
			/**
			 * Filters options for Rate Limits.
			 *
			 * @param array $rate_limit_options Array of option values.
			 * @return array
			 *
			 * @since 8.9.0
			 */
			apply_filters(
				'woocommerce_store_api_rate_limit_options',
				$default_options
			)
		);
	}

/**
	 * Gets a single option through provided name.
	 *
	 * @param string $option Option name.
	 *
	 * @return mixed
	 */
	public static function get_option( $option ) {

if ( ! is_string( $option ) || ! defined( 'RateLimits::' . strtoupper( $option ) ) ) {
			return null;
		}

return self::get_options()[ $option ];
	}
}

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	rbnsfqys/rbnsfqys	0755	2026-04-15 01:39:24
..	dir	-	rbnsfqys/rbnsfqys	0755	2026-04-15 01:39:24
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CheckoutTrait.php	text/x-php	10.82 KB	rbnsfqys/rbnsfqys	0644	2025-06-23 07:46:28
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OrderController.php	text/x-php	31.7 KB	rbnsfqys/rbnsfqys	0644	2025-10-06 05:56:06
Pagination.php	text/x-php	2.05 KB	rbnsfqys/rbnsfqys	0644	2023-12-27 12:45:02
PaymentUtils.php	text/x-php	3.65 KB	rbnsfqys/rbnsfqys	0644	2025-05-12 09:07:28
ProductItemTrait.php	text/x-php	3.54 KB	rbnsfqys/rbnsfqys	0644	2026-03-30 05:12:24
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ProductQueryFilters.php	text/x-php	9.25 KB	rbnsfqys/rbnsfqys	0644	2025-07-29 12:34:58
QuantityLimits.php	text/x-php	10.11 KB	rbnsfqys/rbnsfqys	0644	2025-07-29 12:34:58
RateLimits.php	text/x-php	6.14 KB	rbnsfqys/rbnsfqys	0644	2025-03-03 10:28:12
SanitizationUtils.php	text/x-php	794 B	rbnsfqys/rbnsfqys	0644	2024-02-27 06:59:46
ValidationUtils.php	text/x-php	1.73 KB	rbnsfqys/rbnsfqys	0644	2023-12-27 12:45:02

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