ark/users/modules/firefox/default.nix

{
  pkgs,
  config,
  ...
}: {
  home.persistence."${config.system.persistDir}${config.home.homeDirectory}".directories = [".mozilla"];
  programs.firefox = {
    enable = true;
    package = pkgs.firefox-wayland.override {
      extraPrefs = ''
        lockPref("privacy.resistFingerprinting.letterboxing", false);
        lockPref("browser.startup.homepage", "about:home");
        lockPref("browser.newtabpage.enabled", true);
        lockPref("browser.startup.page", 1);
        lockPref("privacy.clearOnShutdown.downloads", false);
        lockPref("privacy.clearOnShutdown.formdata", false);
        lockPref("privacy.clearOnShutdown.history", false);
        lockPref("privacy.clearOnShutdown.offlineApps", false);
        lockPref("privacy.clearOnShutdown.sessions", false);
        lockPref("privacy.clearOnShutdown.cookies", false);
        lockPref("services.sync.engine.passwords", false);
        lockPref("network.cookie.lifetimePolicy", 0);
        lockPref("gfx.webrender.all", true);
        lockPref("media.ffmpeg.vaapi.enabled", true);
        lockPref("media.hardware-video-decoding.force-enabled", true);
      '';
      extraPolicies = {
        CaptivePortal = false;
        DisableFirefoxStudies = true;
        DisablePocket = true;
        DisableTelemetry = true;
        DisableFirefoxAccounts = true;
        FirefoxHome = {
          Pocket = false;
          Snippets = false;
        };
        UserMessaging = {
          ExtensionRecommendations = false;
          SkipOnboarding = true;
        };
      };
    };
    profiles = {
      default = {
        id = 0;
        isDefault = false;
        name = "defaulta";
      };
      personal = {
        id = 1;
        isDefault = true;
        name = "personal";
        extensions = with pkgs.nur.repos.rycee.firefox-addons; let
          myExtensions =
            pkgs.callPackage ./extensions.nix {inherit buildFirefoxXpiAddon;};
        in
          [
            ublock-origin
            darkreader
            bitwarden
            refined-github
          ]
          ++ (with myExtensions; [
            youtube-disable-number-seek
          ]);
        extraConfig = builtins.readFile (
          builtins.fetchurl {
            url = "https://raw.githubusercontent.com/arkenfox/user.js/115.1/user.js";
            sha256 = "sha256:0x0xkbhmb53lyfpbc8wmm44dgr4zrn15b2pc6gny08mh5j4ny8m7";
          }
        );
      };
    };
  };
}