nix-dotfiles/services/torrent.nix

{ config, lib, pkgs, ... }:
let
  port = 8090;
  torrentPort = 44183;
  savePath = "/Main/Data/media/Downloads/";
  path = "/var/lib/qbittorrent";


  configurationFile = ''
    [Application]
    FileLogger\Age=1
    FileLogger\AgeType=1
    FileLogger\Backup=true
    FileLogger\DeleteOld=true
    FileLogger\Enabled=true
    FileLogger\MaxSizeBytes=66560
    FileLogger\Path=/Main/Data/media/.qbittorrent/logs
    MemoryWorkingSetLimit=8192

    [BitTorrent]
    Session\AddExtensionToIncompleteFiles=true
    Session\AlternativeGlobalDLSpeedLimit=1000
    Session\AlternativeGlobalUPSpeedLimit=1000
    Session\AnonymousModeEnabled=false
    Session\BTProtocol=Both
    Session\BandwidthSchedulerEnabled=false
    Session\DefaultSavePath=/Main/Data/media/Downloads
    Session\Encryption=1
    Session\ExcludedFileNames=
    Session\FinishedTorrentExportDirectory=/Main/Data/media/Downloads/torrents-complete
    Session\GlobalDLSpeedLimit=0
    Session\GlobalMaxRatio=1.5
    Session\GlobalUPSpeedLimit=0
    Session\I2P\Enabled=true
    Session\IgnoreLimitsOnLAN=true
    Session\IncludeOverheadInLimits=true
    Session\Interface=tun0
    Session\InterfaceAddress=${config.sops.placeholder."qbittorrent/interfaceAddress"}
    Session\InterfaceName=tun0
    Session\LSDEnabled=true
    Session\MaxActiveCheckingTorrents=15
    Session\MaxRatioAction=1
    Session\Port=44183
    Session\Preallocation=true
    Session\QueueingSystemEnabled=false
    Session\SubcategoriesEnabled=true
    Session\Tags=movie, anime
    Session\TempPath=/Main/Data/media/Downloads/temp
    Session\TempPathEnabled=true
    Session\TorrentContentLayout=Subfolder
    Session\TorrentExportDirectory=/Main/Data/media/Downloads/torrents
    Session\UseAlternativeGlobalSpeedLimit=false

    [Core]
    AutoDeleteAddedTorrentFile=Never

    [LegalNotice]
    Accepted=true

    [Meta]
    MigrationVersion=6

    [Network]
    PortForwardingEnabled=true

    [Preferences]
    General\Locale=en
    MailNotification\req_auth=true
    Scheduler\days=Weekday
    Scheduler\end_time=@Variant(\0\0\0\xf\x5%q\xa0)
    WebUI\AuthSubnetWhitelist=192.168.1.0/24, 100.0.0.0/8
    WebUI\AuthSubnetWhitelistEnabled=true
    WebUI\Port=${toString port}
    WebUI\UseUPnP=false

    [RSS]
    AutoDownloader\DownloadRepacks=true
    AutoDownloader\EnableProcessing=true
    AutoDownloader\SmartEpisodeFilter=s(\\d+)e(\\d+), (\\d+)x(\\d+), "(\\d{4}[.\\-]\\d{1,2}[.\\-]\\d{1,2})", "(\\d{1,2}[.\\-]\\d{1,2}[.\\-]\\d{4})"
    Session\EnableProcessing=true
    '';

in
{

  imports = [
    ../profiles/sops.nix
  ];
  
  networking.firewall.allowedTCPPorts = [ port torrentPort];
  networking.firewall.allowedUDPPorts = [ port torrentPort];

  sops.secrets."qbittorrent/interfaceAddress" = {
    restartUnits = [ "qbittorrent-nox.service" ];
    owner = "qbittorrent";
    mode = "0755";
  };

  sops.templates."qbittorrent/configuration" = {
    content = configurationFile;
    #path = "${path}/.config/qBittorrent/qBittorrent.conf"; #did not seem to work
    owner = "qbittorrent";
    mode = "0755";
  };

  users.users.qbittorrent = {
    isNormalUser = true; #make this a normal user to be able to make files
    home = path;
    group = "media";

  };
  users.groups.qbittorrent = {};

  systemd.services."qbittorrent-nox" = {
    after = [ "network.target" ];
    wants = [ "network.target" ];
    wantedBy = [ "multi-user.target" ];

    serviceConfig = {
      ExecStartPre = "${pkgs.bash}/bin/bash -c '${pkgs.coreutils}/bin/mkdir -p ${path} && ${pkgs.coreutils}/bin/chmod -R 755 ${path} && ${pkgs.coreutils}/bin/cp ${config.sops.templates."qbittorrent/configuration".path} ${path}/.config/qBittorrent/qBittorrent.conf'";
      ExecStart = "${pkgs.qbittorrent-nox}/bin/qbittorrent-nox";
      User = "qbittorrent";
      Group = "media";
      Restart = "on-failure";

      ProtectKernelModules = true;
      NoNewPrivileges = true;
    };
  };
  services.nginx.virtualHosts."qbittorrent.${config.networking.hostName}.${config.networking.domain}" = {
      forceSSL = true;
      #useACMEHost = config.networking.domain; #not sure if this will work, unless
      locations."/" = {
        proxyWebsockets = true;
        proxyPass = "http://localhost:${port}";
      };
      basicAuthFile = config.sops.secrets."nginx/defaultpass".path;
  };
}