scope.php

<?php
 
namespace Bitrix\Main\Engine\ActionFilter;
 
use Bitrix\Main\ArgumentOutOfRangeException;
use Bitrix\Main\Engine\Controller;
use Bitrix\Main\Error;
use Bitrix\Main\Event;
use Bitrix\Main\EventResult;
 
class Scope extends Base
{
    public const AJAX = 0b00000001;
    public const REST = 0b00000010;
    public const CLI  = 0b00000100;
    public const ALL  = 0b00000111;
 
    public const NOT_AJAX = self::ALL & ~self::AJAX;
    public const NOT_REST = self::ALL & ~self::REST;
    public const NOT_CLI  = self::ALL & ~self::CLI;
 
    private $scopes;
 
    public function __construct($scopes)
    {
        $this->scopes = $scopes;
        parent::__construct();
    }
 
    public function onBeforeAction(Event $event)
    {
        $scope = $this->getCurrentScope();
        if (($this->scopes & $scope) === $scope)
        {
            return null;
        }
 
        $this->addError(new Error('Requested scope is invalid'));
 
        return new EventResult(EventResult::ERROR, null, null, $this);
    }
 
    protected function getCurrentScope()
    {
        switch ($this->getAction()->getController()->getScope())
        {
            case Controller::SCOPE_AJAX:
                return static::AJAX;
            case Controller::SCOPE_REST:
                return static::REST;
            case Controller::SCOPE_CLI:
                return static::CLI;
        }
 
        throw new ArgumentOutOfRangeException('Scope is invalid');
    }
}