KKART_REST_KKARTCOM_Site_Installer_Errors::NO_ACCESS_TOKEN_HTTP_CODE ) ); } ); return false; } if ( ! empty( $_SERVER['HTTP_X_WOO_SIGNATURE'] ) ) { $signature = trim( $_SERVER['HTTP_X_WOO_SIGNATURE'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.MissingUnslash,WordPress.Security.ValidatedSanitizedInput.InputNotSanitized } elseif ( ! empty( $_GET['signature'] ) && is_string( $_GET['signature'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended $signature = trim( $_GET['signature'] ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput.MissingUnslash, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized } else { add_filter( self::AUTH_ERROR_FILTER_NAME, function() { return new WP_Error( KKART_REST_KKARTCOM_Site_Installer_Errors::NO_SIGNATURE_CODE, KKART_REST_KKARTCOM_Site_Installer_Errors::NO_SIGNATURE_MESSAGE, array( 'status' => KKART_REST_KKARTCOM_Site_Installer_Errors::NO_SIGNATURE_HTTP_CODE ) ); } ); return false; } require_once KKART_ABSPATH . 'includes/admin/helper/class-kkart-helper-options.php'; $site_auth = KKART_Helper_Options::get( 'auth' ); if ( empty( $site_auth['access_token'] ) ) { add_filter( self::AUTH_ERROR_FILTER_NAME, function() { return new WP_Error( KKART_REST_KKARTCOM_Site_Installer_Errors::SITE_NOT_CONNECTED_CODE, KKART_REST_KKARTCOM_Site_Installer_Errors::SITE_NOT_CONNECTED_MESSAGE, array( 'status' => KKART_REST_KKARTCOM_Site_Installer_Errors::SITE_NOT_CONNECTED_HTTP_CODE ) ); } ); return false; } if ( ! hash_equals( $access_token, $site_auth['access_token'] ) ) { add_filter( self::AUTH_ERROR_FILTER_NAME, function() { return new WP_Error( KKART_REST_KKARTCOM_Site_Installer_Errors::INVALID_TOKEN_CODE, KKART_REST_KKARTCOM_Site_Installer_Errors::INVALID_TOKEN_MESSAGE, array( 'status' => KKART_REST_KKARTCOM_Site_Installer_Errors::INVALID_TOKEN_HTTP_CODE ) ); } ); return false; } $body = WP_REST_Server::get_raw_data(); if ( ! self::verify_wccom_request( $body, $signature, $site_auth['access_token_secret'] ) ) { add_filter( self::AUTH_ERROR_FILTER_NAME, function() { return new WP_Error( KKART_REST_KKARTCOM_Site_Installer_Errors::REQUEST_VERIFICATION_FAILED_CODE, KKART_REST_KKARTCOM_Site_Installer_Errors::REQUEST_VERIFICATION_FAILED_MESSAGE, array( 'status' => KKART_REST_KKARTCOM_Site_Installer_Errors::REQUEST_VERIFICATION_FAILED_HTTP_CODE ) ); } ); return false; } $user = get_user_by( 'id', $site_auth['user_id'] ); if ( ! $user ) { add_filter( self::AUTH_ERROR_FILTER_NAME, function() { return new WP_Error( KKART_REST_KKARTCOM_Site_Installer_Errors::USER_NOT_FOUND_CODE, KKART_REST_KKARTCOM_Site_Installer_Errors::USER_NOT_FOUND_MESSAGE, array( 'status' => KKART_REST_KKARTCOM_Site_Installer_Errors::USER_NOT_FOUND_HTTP_CODE ) ); } ); return false; } return $user; } /** * Get the authorization header. * * On certain systems and configurations, the Authorization header will be * stripped out by the server or PHP. Typically this is then used to * generate `PHP_AUTH_USER`/`PHP_AUTH_PASS` but not passed on. We use * `getallheaders` here to try and grab it out instead. * * @since 3.7.0 * @return string Authorization header if set. */ protected static function get_authorization_header() { if ( ! empty( $_SERVER['HTTP_AUTHORIZATION'] ) ) { return wp_unslash( $_SERVER['HTTP_AUTHORIZATION'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized } if ( function_exists( 'getallheaders' ) ) { $headers = getallheaders(); // Check for the authoization header case-insensitively. foreach ( $headers as $key => $value ) { if ( 'authorization' === strtolower( $key ) ) { return $value; } } } return ''; } /** * Check if this is a request to KKARTCOM Site REST API. * * @since 3.7.0 * @return bool */ protected static function is_request_to_wccom_site_rest_api() { if ( isset( $_REQUEST['rest_route'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended $route = wp_unslash( $_REQUEST['rest_route'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.NonceVerification.Recommended $rest_prefix = ''; } else { $route = wp_unslash( add_query_arg( array() ) ); $rest_prefix = trailingslashit( rest_get_url_prefix() ); } return false !== strpos( $route, $rest_prefix . 'wccom-site/' ); } /** * Verify Kkart.com request from a given body and signature request. * * @since 3.7.0 * @param string $body Request body. * @param string $signature Request signature found in X-Woo-Signature header. * @param string $access_token_secret Access token secret for this site. * @return bool */ protected static function verify_wccom_request( $body, $signature, $access_token_secret ) { // phpcs:disable WordPress.Security.ValidatedSanitizedInput.InputNotValidated, WordPress.Security.ValidatedSanitizedInput.MissingUnslash, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized $data = array( 'host' => $_SERVER['HTTP_HOST'], 'request_uri' => urldecode( remove_query_arg( array( 'token', 'signature' ), $_SERVER['REQUEST_URI'] ) ), 'method' => strtoupper( $_SERVER['REQUEST_METHOD'] ), ); // phpcs:enable if ( ! empty( $body ) ) { $data['body'] = $body; } $expected_signature = hash_hmac( 'sha256', wp_json_encode( $data ), $access_token_secret ); return hash_equals( $expected_signature, $signature ); } /** * Register wccom-site REST namespace. * * @since 3.7.0 * @param array $namespaces List of registered namespaces. * @return array Registered namespaces. */ public static function register_rest_namespace( $namespaces ) { require_once KKART_ABSPATH . 'includes/wccom-site/rest-api/class-kkart-rest-wccom-site-installer-errors.php'; require_once KKART_ABSPATH . 'includes/wccom-site/rest-api/endpoints/class-kkart-rest-wccom-site-installer-controller.php'; $namespaces['wccom-site/v1'] = array( 'installer' => 'KKART_REST_KKARTCOM_Site_Installer_Controller', ); return $namespaces; } } KKART_KKARTCOM_Site::load();