public function install_new_favicon()
    {
        header("Content-type: application/json");
        try {
            // URL is explicitely decoded to compensate the extra encoding performed while generating the settings page
            $url = 'https://realfavicongenerator.net' . $_REQUEST['json_result_url'];
            $result = $this->download_result_json($url);
            $response = new Favicon_By_RealFaviconGenerator_Api_Response($result);
            if (!wp_verify_nonce($response->getCustomParameter(), Favicon_By_RealFaviconGenerator_Admin::NONCE_ACTION_NAME)) {
                // Attack in progress?
                ?>
{
	"status": "error",
	"message": "<?php 
                _e('Nonce was not recognized. This case is supposed to happen only in case of XSS attack. If you feel like something is wrong, please <a href=\\"mailto:contact@realfavicongenerator.net\\">contact us</a>.', FBRFG_PLUGIN_SLUG);
                ?>
"
}
<?php 
            } else {
                $zip_path = Favicon_By_RealFaviconGenerator_Common::get_tmp_dir();
                if (!file_exists($zip_path)) {
                    if (mkdir($zip_path, 0755, true) !== true) {
                        throw new InvalidArgumentException(sprintf(__('Cannot create directory %s to store the favicon package', FBRFG_PLUGIN_SLUG), $zip_path));
                    }
                }
                $response->downloadAndUnpack($zip_path);
                $this->store_pictures($response);
                $this->store_preview($response->getPreviewPath());
                Favicon_By_RealFaviconGenerator_Common::remove_directory($zip_path);
                update_option(Favicon_By_RealFaviconGenerator_Common::OPTION_HTML_CODE, $response->getHtmlCode());
                $this->set_favicon_configured(true, $response->isFilesInRoot(), $response->getVersion(), $response->getNonInteractiveAPIRequest());
                ?>
{
	"status": "success",
	"preview_url": <?php 
                echo json_encode($this->get_preview_url());
                ?>
,
	"favicon_in_root": <?php 
                echo json_encode($this->is_favicon_in_root());
                ?>
}
<?php 
            }
        } catch (Exception $e) {
            ?>
{
	"status": "error",
	"message": <?php 
            echo json_encode($e->getMessage());
            ?>
}
<?php 
        }
        die;
    }