son->message ) ? sprintf( __( 'Error Details: %s', 'jetpack-connection' ), (string) $json->message ) : '';

			return new WP_Error( (string) $json->code, $error_description, $code );
		}

		if ( empty( $json->jetpack_secret ) || ! is_scalar( $json->jetpack_secret ) ) {
			return new WP_Error( 'jetpack_secret', '', $code );
		}

		Error_Handler::get_instance()->delete_all_errors();

		return $this->get_tokens()->update_blog_token( (string) $json->jetpack_secret );
	}

	/**
	 * Disconnect the user from WP.com, and initiate the reconnect process.
	 *
	 * @return bool
	 */
	public function refresh_user_token() {
		( new Tracking() )->record_user_event( 'restore_connection_refresh_user_token' );
		$this->disconnect_user( null, true, true );
		return true;
	}

	/**
	 * Fetches a signed token.
	 *
	 * @deprecated 1.24.0 Use Automattic\Jetpack\Connection\Tokens->get_signed_token() instead.
	 *
	 * @param object $token the token.
	 * @return WP_Error|string a signed token
	 */
	public function get_signed_token( $token ) {
		_deprecated_function( __METHOD__, '1.24.0', 'Automattic\\Jetpack\\Connection\\Tokens->get_signed_token' );
		return $this->get_tokens()->get_signed_token( $token );
	}

	/**
	 * If the site-level connection is active, add the list of plugins using connection to the heartbeat (except Jetpack itself)
	 *
	 * @param array $stats The Heartbeat stats array.
	 * @return array $stats
	 */
	public function add_stats_to_heartbeat( $stats ) {

		if ( ! $this->is_connected() ) {
			return $stats;
		}

		$active_plugins_using_connection = Plugin_Storage::get_all();
		foreach ( array_keys( $active_plugins_using_connection ) as $plugin_slug ) {
			if ( 'jetpack' !== $plugin_slug ) {
				$stats_group             = isset( $active_plugins_using_connection['jetpack'] ) ? 'combined-connection' : 'standalone-connection';
				$stats[ $stats_group ][] = $plugin_slug;
			}
		}
		return $stats;
	}

	/**
	 * Get the WPCOM or self-hosted site ID.
	 *
	 * @return int|WP_Error
	 */
	public static function get_site_id() {
		$is_wpcom = ( defined( 'IS_WPCOM' ) && IS_WPCOM );
		$site_id  = $is_wpcom ? get_current_blog_id() : \Jetpack_Options::get_option( 'id' );
		if ( ! $site_id ) {
			return new \WP_Error(
				'unavailable_site_id',
				__( 'Sorry, something is wrong with your Jetpack connection.', 'jetpack-connection' ),
				403
			);
		}
		return (int) $site_id;
	}

	/**
	 * Check if Jetpack is ready for uninstall cleanup.
	 *
	 * @param string $current_plugin_slug The current plugin's slug.
	 *
	 * @return bool
	 */
	public static function is_ready_for_cleanup( $current_plugin_slug ) {
		$active_plugins = get_option( Plugin_Storage::ACTIVE_PLUGINS_OPTION_NAME );

		return empty( $active_plugins ) || ! is_array( $active_plugins )
			|| ( count( $active_plugins ) === 1 && array_key_exists( $current_plugin_slug, $active_plugins ) );
	}
}