wordpress_plugin_front_end

<?php
/*
Plugin Name: Custom REST Endpoints
Description: Adds custom REST API endpoints to retrieve user role by ID.
Version: 1.0
Author: Bohuslav Sedláček
*/

// Register custom REST API endpoint
add_action('rest_api_init', function () {
    register_rest_route('custom-endpoints/v1', '/user-role/(?P<id>\d+)', array(
        'methods' => 'GET',
        'callback' => 'get_user_role_by_id',
        'permission_callback' => 'api_key_check' // Updated permission callback
    ));
});

// Callback function to retrieve user role by ID
function get_user_role_by_id($request) {
    $user_id = $request['id'];
    $user = get_userdata($user_id);

    if ($user) {
        return rest_ensure_response($user->roles);
    } else {
        return new WP_Error('user_not_found', 'User not found', array('status' => 404));
    }
}

// Updated function to check for a valid API key
function api_key_check($request) {
    $api_key = $request->get_header('x-api-key');

    if (defined('MY_API_KEY') && $api_key === MY_API_KEY) {
        return true; // Return true if API key matches
    } else {
        // Return false if not matched, don't directly return WP_Error here
        return false;
    }
}
?>