dotfiles/nix/system/xps11/configuration.nix

# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).

{ config, pkgs, ... }:

{
  imports =
    [
      # Include the results of the hardware scan.
      ./hardware-configuration.nix
      ./glibc-locale-paths.nix
      ../common/users.nix
    ];

  # Use the systemd-boot EFI boot loader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.systemd-boot.configurationLimit = 42;
  boot.loader.efi.canTouchEfiVariables = true;

  hardware.bluetooth.enable = true;
  networking.networkmanager.enable = true;
  networking.hostName = "athena"; # Define your hostname.
  # Create entries for /etc/wpa_supplicant.conf by running `wpa_passphrase SSID PASSWORD`
  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.

  # The global useDHCP flag is deprecated, therefore explicitly set to false here.
  # Per-interface useDHCP will be mandatory in the future, so this generated config
  # replicates the default behaviour.
  networking.useDHCP = false;
  networking.interfaces.wlp58s0.useDHCP = true;

  # Configure network proxy if necessary
  # networking.proxy.default = "http://user:password@proxy:port/";
  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";

  # Select internationalisation properties.
  i18n = {
    defaultLocale = "en_US.UTF-8";
  };
  # run the following command to swap escape and caps-lock keys, like a
  # civilized person:
  # setxkbmap -option caps:swapescape

  # Set your time zone.
  time.timeZone = "America/Los_Angeles";

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = with pkgs; [
    cachix
    # configure local network sharing, launch app on startup, and auto-connect
    # in the preferences menu
    mullvad-vpn
    p7zip
    # Do NOT use qbittorrent unless you have set up interface binding with your
    # VPN: https://web.archive.org/web/20210426203101/https://mullvad.net/en/help/bittorrent/
    qbittorrent
    wget
    zsh
  ];

  nixpkgs.config.allowUnfree = true;

  fonts.fonts = with pkgs; [ fira-code ];

  # Open ports in the firewall.
  networking.firewall = {
    allowedTCPPorts = [
      22 # for ssh access
      80
      8080 # port for qbittorrent webui
    ];
  };
  # Or disable the firewall altogether.
  # networking.firewall.enable = false;

  # Nginx Reverse SSL Proxy
  services.nginx = {
    enable = true;
    # give a name to the virtual host. It also becomes the server name.
    virtualHosts."sub.domain.tld" = {
      # http2 can more performant for streaming: https://blog.cloudflare.com/introducing-http2/
      http2 = true;

      # Provide the ssl cert and key for the vhost
      extraConfig = ''

        #Some players don't reopen a socket and playback stops totally instead of resuming after an extended pause
        send_timeout 100m;

        # Why this is important: https://blog.cloudflare.com/ocsp-stapling-how-cloudflare-just-made-ssl-30/
        # ssl_stapling on;
        # ssl_stapling_verify on;

        # ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
        # ssl_prefer_server_ciphers on;
        #Intentionally not hardened for security for player support and encryption video streams has a lot of overhead with something like AES-256-GCM-SHA384.
        # ssl_ciphers 'ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:ECDHE-RSA-DES-CBC3-SHA:ECDHE-ECDSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA';

        # Forward real ip and host to Plex
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Host $server_addr;
        proxy_set_header Referer $server_addr;
        proxy_set_header Origin $server_addr;

        # Plex has A LOT of javascript, xml and html. This helps a lot, but if it causes playback issues with devices turn it off.
        gzip on;
        gzip_vary on;
        gzip_min_length 1000;
        gzip_proxied any;
        gzip_types text/plain text/css text/xml application/xml text/javascript application/x-javascript image/svg+xml;
        gzip_disable "MSIE [1-6]\.";

        # Nginx default client_max_body_size is 1MB, which breaks Camera Upload feature from the phones.
        # Increasing the limit fixes the issue. Anyhow, if 4K videos are expected to be uploaded, the size might need to be increased even more
        client_max_body_size 100M;

        # Plex headers
        proxy_set_header X-Plex-Client-Identifier $http_x_plex_client_identifier;
        proxy_set_header X-Plex-Device $http_x_plex_device;
        proxy_set_header X-Plex-Device-Name $http_x_plex_device_name;
        proxy_set_header X-Plex-Platform $http_x_plex_platform;
        proxy_set_header X-Plex-Platform-Version $http_x_plex_platform_version;
        proxy_set_header X-Plex-Product $http_x_plex_product;
        proxy_set_header X-Plex-Token $http_x_plex_token;
        proxy_set_header X-Plex-Version $http_x_plex_version;
        proxy_set_header X-Plex-Nocache $http_x_plex_nocache;
        proxy_set_header X-Plex-Provides $http_x_plex_provides;
        proxy_set_header X-Plex-Device-Vendor $http_x_plex_device_vendor;
        proxy_set_header X-Plex-Model $http_x_plex_model;

        # Websockets
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        # Buffering off send to the client as soon as the data is received from Plex.
        proxy_redirect off;
        proxy_buffering off;
      '';
      locations."/" = {
        proxyPass = "http://localhost:32400/";
      };
    };
  };

  # VPN setup
  services.mullvad-vpn.enable = true;
  networking.wireguard.enable = true;
  networking.firewall.checkReversePath = "loose";

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  # programs.mtr.enable = true;
  programs.gnupg.agent = { enable = true; enableSSHSupport = true; };

  # List services that you want to enable:

  # Enable the OpenSSH daemon.
  services.openssh.enable = true;

  # Enable the X11 windowing system.
  services.xserver.enable = true;
  services.xserver.layout = "us";
  services.xserver.xkbOptions = "caps:swapescape";

  services.plex = {
    enable = true;
    user = "haak";
    group = "users";
  };

  # Enable touchpad support.
  services.xserver.libinput.enable = true;

  # Enable the KDE Desktop Environment.
  services.xserver = {
    displayManager.sddm.enable = true;
    desktopManager.plasma5.enable = true;
  };

  location.provider = "geoclue2";

  # This value determines the NixOS release with which your system is to be
  # compatible, in order to avoid breaking some software such as database
  # servers. You should change this only after NixOS release notes say you
  # should.
  system.stateVersion = "20.03"; # Did you read the comment?
  system.autoUpgrade.enable = true;
}