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Current File : /nas/content/live/attorneyexperi/wp-content/plugins/wp-rocket/inc/Addon/Sucuri/Subscriber.php
<?php
declare(strict_types=1);
namespace WP_Rocket\Addon\Sucuri;
use WP_Error;
use WP_Rocket\Admin\Options_Data;
use WP_Rocket\Event_Management\Subscriber_Interface;
use WP_Rocket\Logger\Logger;
class Subscriber implements Subscriber_Interface {
/**
* URL of the API.
*
* %s is here for the other query args.
*
* @var string
*/
const API_URL = 'https://waf.sucuri.net/api?v2&%s';
/**
* Instance of the Option_Data class.
*
* @var Options_Data
*/
private $options;
/**
* Constructor.
*
* @param Options_Data $options Instance of the Option_Data class.
*/
public function __construct( Options_Data $options ) {
$this->options = $options;
}
/**
* {@inheritdoc}
*/
public static function get_subscribed_events() {
return [
'rocket_after_clean_domain' => 'maybe_clean_firewall_cache',
'after_rocket_clean_post' => 'maybe_clean_firewall_cache',
'after_rocket_clean_term' => 'maybe_clean_firewall_cache',
'after_rocket_clean_user' => 'maybe_clean_firewall_cache',
'after_rocket_clean_home' => 'maybe_clean_firewall_cache',
'after_rocket_clean_files' => 'maybe_clean_firewall_cache',
'admin_post_rocket_purge_sucuri' => 'do_admin_post_rocket_purge_sucuri',
'admin_notices' => 'maybe_print_notice',
'rocket_cdn_helper_addons' => 'add_cdn_helper_message',
];
}
/**
* Clear Sucuri firewall cache.
*
* @since 3.2
*/
public function maybe_clean_firewall_cache() {
static $done = false;
if ( $done ) {
return;
}
$done = true;
if ( ! $this->options->get( 'sucury_waf_cache_sync', 0 ) ) {
return;
}
$this->clean_firewall_cache();
}
/**
* Ajax callback to empty Sucury cache.
*
* @since 3.2
*/
public function do_admin_post_rocket_purge_sucuri() {
if ( empty( $_GET['_wpnonce'] ) || ! wp_verify_nonce( $_GET['_wpnonce'], 'rocket_purge_sucuri' ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash
wp_nonce_ays( '' );
}
if ( ! current_user_can( 'rocket_purge_sucuri_cache' ) ) {
wp_nonce_ays( '' );
}
$purged = $this->clean_firewall_cache();
if ( is_wp_error( $purged ) ) {
$purged_result = [
'result' => 'error',
/* translators: %s is the error message returned by the API. */
'message' => sprintf( __( 'Sucuri cache purge error: %s', 'rocket' ), $purged->get_error_message() ),
];
} else {
$purged_result = [
'result' => 'success',
'message' => __( 'The Sucuri cache is being cleared. Note that it may take up to two minutes for it to be fully flushed.', 'rocket' ),
];
}
set_transient( get_current_user_id() . '_sucuri_purge_result', $purged_result );
wp_safe_redirect( esc_url_raw( wp_get_referer() ) );
die();
}
/**
* Print an admin notice if the cache failed to be cleared.
*
* @since 3.2
*/
public function maybe_print_notice() {
if ( ! current_user_can( 'rocket_purge_sucuri_cache' ) ) {
return;
}
if ( ! is_admin() ) {
return;
}
if ( ! $this->options->get( 'sucury_waf_cache_sync', 0 ) ) {
return;
}
$user_id = get_current_user_id();
$notice = get_transient( $user_id . '_sucuri_purge_result' );
if ( ! $notice ) {
return;
}
delete_transient( $user_id . '_sucuri_purge_result' );
rocket_notice_html(
[
'status' => $notice['result'],
'message' => $notice['message'],
]
);
}
/**
* Tell if an API key is well formatted.
*
* @since 3.2.3
*
* @param string $api_key An API key.
*
* @return array|false An array with the keys 'k' and 's' (required by the API) if valid. False otherwise.
*/
public static function is_api_key_valid( $api_key ) {
if ( '' !== $api_key && preg_match( '@^(?<k>[a-z0-9]{32})/(?<s>[a-z0-9]{32})$@', $api_key, $matches ) ) {
return $matches;
}
return false;
}
/**
* Clear Sucuri firewall cache.
*
* @since 3.2
*
* @return true|WP_Error True on success. A WP_Error object on failure.
*/
private function clean_firewall_cache() {
$api_key = $this->get_api_key();
if ( is_wp_error( $api_key ) ) {
return $api_key;
}
$response = $this->request_api(
[
'a' => 'clear_cache',
'k' => $api_key['k'],
's' => $api_key['s'],
]
);
if ( is_wp_error( $response ) ) {
return $response;
}
Logger::info(
'Sucuri firewall cache cleared.',
[
'sucuri firewall cache',
]
);
return true;
}
/**
* Get the API key.
*
* @since 3.2
*
* @return array|WP_Error An array with the keys 'k' and 's', required by the API. A WP_Error object if no key or invalid key.
*/
private function get_api_key() {
$api_key = trim( $this->options->get( 'sucury_waf_api_key', '' ) );
if ( ! $api_key ) {
Logger::error(
'API key was not found.',
[
'sucuri firewall cache',
]
);
return new WP_Error( 'no_sucuri_api_key', __( 'Sucuri firewall API key was not found.', 'rocket' ) );
}
$matches = self::is_api_key_valid( $api_key );
if ( ! $matches ) {
Logger::error(
'API key is invalid.',
[
'sucuri firewall cache',
]
);
return new WP_Error( 'invalid_sucuri_api_key', __( 'Sucuri firewall API key is invalid.', 'rocket' ) );
}
return [
'k' => $matches['k'],
's' => $matches['s'],
];
}
/**
* Request against the API.
*
* @since 3.2
*
* @param array $params Parameters to send.
*
* @return array|WP_Error The response data on success. A WP_Error object on failure.
*/
private function request_api( $params = [] ) {
$params['time'] = time();
$params = $this->build_query( $params );
$url = sprintf( static::API_URL, $params );
/**
* Filters the arguments for the Sucuri API request
*
* @since 3.3.4
*
* @param array $args Arguments for the request.
*/
$args = apply_filters(
'rocket_sucuri_api_request_args',
[
'timeout' => 5,
'redirection' => 5,
'httpversion' => '1.1',
'blocking' => true,
// This filter is documented in wp-includes/class-wp-http-streams.php.
'sslverify' => apply_filters( 'https_ssl_verify', true ), // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound
]
);
$response = wp_remote_get( $url, $args );
if ( is_wp_error( $response ) ) {
Logger::error(
'Error when contacting the API.',
[
'sucuri firewall cache',
'url' => $url,
'response' => $response->get_error_message(),
]
);
// translators: %s is an error message.
return new WP_Error( 'wp_error_sucuri_api', sprintf( __( 'Error when contacting Sucuri firewall API. Error message was: %s', 'rocket' ), $response->get_error_message() ) );
}
$contents = wp_remote_retrieve_body( $response );
if ( empty( $contents ) ) {
Logger::error(
'Could not get a response from the API.',
[
'sucuri firewall cache',
'url' => $url,
'response' => $response,
]
);
return new WP_Error( 'sucuri_api_no_response', __( 'Could not get a response from the Sucuri firewall API.', 'rocket' ) );
}
$data = json_decode( $contents, true );
if ( ! $data || ! is_array( $data ) ) {
Logger::error(
'Invalid response from the API.',
[
'sucuri firewall cache',
'url' => $url,
'response_body' => $contents,
]
);
return new WP_Error( 'sucuri_api_invalid_response', __( 'Got an invalid response from the Sucuri firewall API.', 'rocket' ) );
}
if ( empty( $data['status'] ) ) {
Logger::error(
'The action failed.',
[
'sucuri firewall cache',
'url' => $url,
'response_data' => $data,
]
);
if ( empty( $data['messages'] ) || ! is_array( $data['messages'] ) ) {
return new WP_Error( 'sucuri_api_error_status', __( 'The Sucuri firewall API returned an unknown error.', 'rocket' ) );
}
// translators: %s is an error message.
$message = _n( 'The Sucuri firewall API returned the following error: %s', 'The Sucuri firewall API returned the following errors: %s', count( $data['messages'] ), 'rocket' );
$message = sprintf( $message, '<br/>' . implode( '<br/>', $data['messages'] ) );
return new WP_Error( 'sucuri_api_error_status', $message );
}
return $data;
}
/**
* Add the helper message on the CDN settings.
*
* @param string[] $addons Name from the addon that requires the helper message.
* @return string[]
*/
public function add_cdn_helper_message( array $addons ): array {
if ( ! $this->options->get( 'sucury_waf_cache_sync', false ) ) {
return $addons;
}
$addons[] = 'Sucuri';
return $addons;
}
/**
* An i18n-friendly alternative to the built-in PHP method `http_build_query()`.
*
* @param array|object $params An array or object containing properties.
*
* @return string An URL-encoded string.
*/
private function build_query( $params ): string {
if ( ! $params ) {
return '';
}
$params = (array) $params;
foreach ( $params as $param => $value ) {
$params[ $param ] = $param . '=' . rawurlencode( (string) $value );
}
return implode( '&', $params );
}
}
