nixos-config/machines/renge/services/element-web.nix

# SPDX-FileCopyrightText: 2021-2023 Simon Bruder <simon@sbruder.de>
#
# SPDX-License-Identifier: AGPL-3.0-or-later

{ lib, pkgs, ... }:

{
  services.nginx.virtualHosts."chat.sbruder.de" = {
    enableACME = true;
    forceSSL = true;

    root = pkgs.element-web;

    # https://github.com/vector-im/element-web#configuration-best-practices
    extraConfig = ''
      add_header X-Content-Type-Options nosniff;
      add_header X-Frame-Options SAMEORIGIN;
      add_header X-XSS-Protection "1; mode=block";
      add_header Content-Security-Policy "frame-ancestors 'self'";
    '';

    # nixpkgs’s override mechanism doesn’t allow overriding of all options
    locations."=/config.chat.sbruder.de.json".alias = pkgs.writeText "config.chat.sbruder.de.json" (lib.generators.toJSON { } {
      default_server_config = {
        "m.homeserver" = {
          base_url = "https://matrix.sbruder.de";
          server_name = "matrix.sbruder.de";
        };
      };
      show_labs_settings = true;
      branding = {
        auth_footer_links = [ ];
      };
      piwik = false;
      default_country_code = "DE";
      setting_defaults = {
        "UIFeature.feedback" = false;
        "UIFeature.shareSocial" = false;
        "UIFeature.identityServer" = false;
        "UIFeature.thirdPartyId" = false;
      };
      disable_custom_urls = true;
      disable_guests = true;
      disable_3pid_login = true;
      desktop_builds.available = false;
    });
  };
}