Fix REST API does not return when activated members plugi

wpmudev-fix-rest-api-not-return.php

<?php
/**
* Plugin Name: Fix REST API does not return
* Plugin URI: https://premium.wpmudev.org/
* Description: Fix REST API does not return when activated members plugin- 1154550707006982
* Author: Thobk @ WPMUDEV
* Author URI: https://premium.wpmudev.org/
* License: GPLv2 or later
*/
if ( ! defined('ABSPATH') || ( defined( 'WP_CLI' ) && WP_CLI ) ) {
	return;
}
add_action( 'after_setup_theme', 'wpmudev_fix_rest_api_does_not_return', 0 );

function wpmudev_fix_rest_api_does_not_return(){
	if( class_exists('Members_Plugin') && members_is_private_rest_api() ){
		class WPMUDEV_Fix_Member_Rest_API{
			public function __construct(){
				add_filter( 'wp_rest_server_class', array( $this, 'wp_rest_server_class' ) );
				add_filter( 'determine_current_user', array( $this, 'determine_current_user' ), 10, 3 );
			}

			public function determine_current_user($user_id){
				// remove members filter
				remove_filter( 'rest_authentication_errors', 'members_private_rest_api', 95 );
				add_filter( 'rest_pre_echo_response', array( $this, 'rest_pre_echo_response' ), 10, 3 );
				return $user_id;
			}

			public function rest_pre_echo_response( $result, $rest_server, $request ){
				if( ! is_user_logged_in() ){
					$error = new WP_Error(
						'rest_not_logged_in',
						esc_html(
							apply_filters(
								'members_rest_api_error_message',
								__( 'You are not currently logged in.', 'members' )
							)
						),
						array( 'status' => 401 )
					);

					$error_data = $error->get_error_data();

					if ( is_array( $error_data ) && isset( $error_data['status'] ) ) {
						$status = $error_data['status'];
					} else {
						$status = 500;
					}

					$errors = array();

					foreach ( (array) $error->errors as $code => $messages ) {
						foreach ( (array) $messages as $message ) {
							$errors[] = array(
								'code'    => $code,
								'message' => $message,
								'data'    => $error->get_error_data( $code ),
							);
						}
					}

					$data = $errors[0];
					if ( count( $errors ) > 1 ) {
						// Remove the primary error.
						array_shift( $errors );
						$data['additional_errors'] = $errors;
					}

					$result = new WP_REST_Response( $data, $status );
				}
				return $result;
			}		

			/**
			 * Prevent caching of unauthenticated status.  See comment below.
			 *
			 * We don't actually care about the `wp_rest_server_class` filter, it just
			 * happens right after the constant we do care about is defined.
			 *
			 * @source https://github.com/georgestephanis/application-passwords
			 */
			public function wp_rest_server_class( $class ) {
				global $current_user;
				if ( defined( 'REST_REQUEST' )
					&& REST_REQUEST
					&& $current_user instanceof WP_User
					&& 0 === $current_user->ID ) {
					/*
					 * For our authentication to work, we need to remove the cached lack
					 * of a current user, so the next time it checks, we can detect that
					 * this is a rest api request and allow our override to happen.  This
					 * is because the constant is defined later than the first get current
					 * user call may run.
					 */
					$current_user = null;
				}
				return $class;
			}

		}

		$run = new WPMUDEV_Fix_Member_Rest_API();
	}
}