{ pkgs, lib, config, ... }: {

  options = {
    guiApps.librewolf.enable = lib.mkEnableOption "Enables librewolf.";
  };

  config = lib.mkIf config.guiApps.librewolf.enable {
    programs.librewolf = {
      enable = true;
      settings = {
        "browser.safebrowsing.malware.enabled" = true;
        "browser.safebrowsing.phishing.enabled" = true;
        "browser.safebrowsing.blockedURIs.enabled" = true;

        "browser.safebrowsing.provider.google4.gethashURL" =
          "https://safebrowsing.googleapis.com/v4/fullHashes:find?$ct=application/x-protobuf&key=%GOOGLE_SAFEBROWSING_API_KEY%&$httpMethod=POST";

        "browser.safebrowsing.provider.google4.updateURL" =
          "https://safebrowsing.googleapis.com/v4/threatListUpdates:fetch?$ct=application/x-protobuf&key=%GOOGLE_SAFEBROWSING_API_KEY%&$httpMethod=POST";

        "browser.safebrowsing.provider.google.gethashURL" =
          "https://safebrowsing.google.com/safebrowsing/gethash?client=SAFEBROWSING_ID&appver=%MAJOR_VERSION%&pver=2.2";

        "browser.safebrowsing.provider.google.updateURL" =
          "https://safebrowsing.google.com/safebrowsing/downloads?client=SAFEBROWSING_ID&appver=%MAJOR_VERSION%&pver=2.2&key=%GOOGLE_SAFEBROWSING_API_KEY%";
        "browser.safebrowsing.downloads.enabled" = true;

        "identity.fxaccounts.enabled" = true;

        "privacy.clearOnShutdown.history" = false;

        "middlemouse.paste" = false;
        "general.autoScroll" = true;
      };
    };
  };
}