Eva\EvaEngine\Service\Cors::preflightRequests PHP Метод

    public function preflightRequests($allowCredentials = 'true', $allowMethods = 'GET, POST, PUT, DELETE, OPTIONS', $allowHeaders = 'Origin, No-Cache, X-Requested-With, If-Modified-Since, Pragma, Last-Modified, Cache-Control, Expires, Content-Type, X-E4M-With')
    {
        $httpOrigin = $this->getDI()->getRequest()->getHeader('HTTP_ORIGIN');
        if (empty($httpOrigin)) {
            return;
        }
        if ($this->isOriginIsSameAsHost()) {
            return;
        }
        if (!$this->isHttpOriginIsInTheWhiteList()) {
            throw new OriginNotAllowedException('Http Origin Is Not Allowed');
        }
        $this->getDI()->getResponse()->setHeader('Access-Control-Allow-Credentials', (string) $allowCredentials);
        $this->getDI()->getResponse()->setHeader('Access-Control-Allow-Origin', $httpOrigin);
        $this->getDI()->getResponse()->setHeader('Access-Control-Allow-Methods', $allowMethods);
        $this->getDI()->getResponse()->setHeader('Access-Control-Allow-Headers', $allowHeaders);
        if (strtoupper($this->getDI()->getRequest()->getMethod()) == 'OPTIONS') {
            $this->getDI()->getResponse()->send();
            return;
        }
    }