Nextras\Application\UI\SecuredLinksPresenterTrait::createSecuredLink PHP Метод

    public function createSecuredLink(Component $component, $link, $destination)
    {
        /** @var $lastRequest Nette\Application\Request */
        $lastRequest = $this->getLastCreatedRequest();
        do {
            if ($lastRequest === NULL) {
                break;
            }
            $params = $lastRequest->getParameters();
            if (!isset($params[Nette\Application\UI\Presenter::SIGNAL_KEY])) {
                break;
            }
            if (($pos = strpos($destination, '#')) !== FALSE) {
                $destination = substr($destination, 0, $pos);
            }
            $a = strpos($destination, '//');
            if ($a !== FALSE) {
                $destination = substr($destination, $a + 2);
            }
            $signal = strtr(rtrim($destination, '!'), ':', '-');
            $a = strrpos($signal, '-');
            if ($a !== FALSE) {
                if ($component instanceof Nette\Application\UI\Presenter && substr($destination, -1) !== '!') {
                    break;
                }
                $component = $component->getComponent(substr($signal, 0, $a));
                $signal = (string) substr($signal, $a + 1);
            }
            if ($signal == NULL) {
                // intentionally ==
                throw new Nette\Application\UI\InvalidLinkException('Signal must be non-empty string.');
            }
            // only Component
            if (!$component instanceof Component) {
                break;
            }
            $reflection = $component->getReflection();
            $method = $component->formatSignalMethod($signal);
            $signalReflection = $reflection->getMethod($method);
            if (!$signalReflection->hasAnnotation('secured')) {
                break;
            }
            $origParams = $lastRequest->getParameters();
            $protectedParams = array($component->getUniqueId());
            foreach ($signalReflection->getParameters() as $param) {
                if ($param->isOptional()) {
                    continue;
                }
                if (isset($origParams[$component->getParameterId($param->name)])) {
                    $protectedParams[$param->name] = $origParams[$component->getParameterId($param->name)];
                }
            }
            $protectedParam = $this->getCsrfToken(get_class($component), $method, $protectedParams);
            if (($pos = strpos($link, '#')) === FALSE) {
                $fragment = '';
            } else {
                $fragment = substr($link, $pos);
                $link = substr($link, 0, $pos);
            }
            $link .= (strpos($link, '?') !== FALSE ? '&' : '?') . $component->getParameterId('_sec') . '=' . $protectedParam . $fragment;
        } while (FALSE);
        return $link;
    }