Admin_PageController::generateScreenshotAction PHP Метод

    public function generateScreenshotAction()
    {
        $success = false;
        if ($this->getParam("id")) {
            $doc = Document::getById($this->getParam("id"));
            $url = Tool::getHostUrl() . $doc->getRealFullPath();
            $config = \Pimcore\Config::getSystemConfig();
            if ($config->general->http_auth) {
                $username = $config->general->http_auth->username;
                $password = $config->general->http_auth->password;
                if ($username && $password) {
                    $url = str_replace("://", "://" . $username . ":" . $password . "@", $url);
                }
            }
            $tmpFile = PIMCORE_SYSTEM_TEMP_DIRECTORY . "/screenshot_tmp_" . $doc->getId() . ".png";
            $file = PIMCORE_TEMPORARY_DIRECTORY . "/document-page-previews/document-page-screenshot-" . $doc->getId() . ".jpg";
            $dir = dirname($file);
            if (!is_dir($dir)) {
                File::mkdir($dir);
            }
            try {
                if (\Pimcore\Image\HtmlToImage::convert($url, $tmpFile)) {
                    $im = \Pimcore\Image::getInstance();
                    $im->load($tmpFile);
                    $im->scaleByWidth(400);
                    $im->save($file, "jpeg", 85);
                    unlink($tmpFile);
                    $success = true;
                }
            } catch (\Exception $e) {
                Logger::error($e);
            }
        }
        $this->_helper->json(["success" => $success]);
    }