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<?php
namespace UipressLite\Classes\Utils;

!defined("ABSPATH") ? exit() : "";

class Ajax
{
  /**
   * Checks whether ajax is running as well as checking the security nonce
   *
   * @return Boolean
   * @since 3.2.13
   */
  public static function check_referer()
  {
    $doingAjax = defined("DOING_AJAX") && DOING_AJAX ? true : false;
    $referer = check_ajax_referer("uip-security-nonce", "security") > 0 ? true : false;
    $result = $doingAjax && $referer ? true : false;

    // Abort if not doing ajax or bad referer
    if (!$result) {
      $message = __("Unable to perform action", "uipress-lite");
      self::error($message);
    }
  }

  /**
   * Returns a new error to the application and kills the process
   *
   * @param string $message - the message to display
   * @return void
   * @since 3.2.13
   */
  public static function error(string $message)
  {
    $returndata["error"] = true;
    $returndata["message"] = $message;
    wp_send_json($returndata);
  }
}