{pkgs, ...}: {
  services.secrets = {
    enable = true;

    extraPackages = with pkgs; [
      # for music & mail passwd files
      apacheHttpd
    ];

    extraFunctions = ''
      replace_slash_for_sed() {
        sed "s#/#\\\/#"
      }

      simple_get_replace_crypt() {
        password=$(simple_get "$1" .password | replace_slash_for_sed)
        salt=$(simple_get "$1" .salt | replace_slash_for_sed)

        replace_password=''${2}_ACCOUNT
        replace_salt=''${2}_KEY

        sed -i "s/$replace_password/$password/" "$3"
        sed -i "s/$replace_salt/$salt/" "$3"
      }
    '';

    secrets = {
      mpd_control_password = {
        user = "mpd";
        group = "mpd";
        fetchScript = ''
          simple_get "/api-keys/mpd" .password > $secretFile
        '';
      };
      music_stream_passwd = {
        user = "nginx";
        group = "nginx";
        fetchScript = ''
          username=$(simple_get "/api-keys/music-stream" .username)
          password=$(simple_get "/api-keys/music-stream" .password)
          htpasswd -bc $secretFile "$username" "$password" 2>/dev/null
        '';
      };
      private_mail_aliases = {
        user = "root";
        group = "root";
        fetchScript = ''
          kv_get "/infra/private-mail-aliases" | jq .data.data | jq -r 'to_entries|map("\(.key) \(.value.to)")[]' > $secretFile
        '';
      };
      chaos_mail_passwd = {
        user = "dovecot2";
        group = "dovecot2";
        fetchScript = ''
          password=$(simple_get "/passwords/mail" .password)
          htpasswd -nbB "" "$password" 2>/dev/null | cut -d: -f2 > $secretFile
        '';
      };

      system_mail_passwd = {
        user = "dovecot2";
        group = "dovecot2";
        fetchScript = ''
          password=$(simple_get "/api-keys/chaos_mail/system" .password)
          htpasswd -nbB "" "$password" 2>/dev/null | cut -d: -f2 > $secretFile
        '';
      };

      gitlab_env = {
        user = "gitlab_artifacts_sync";
        group = "gitlab_artifacts_sync";
        fetchScript = ''
          token=$(simple_get "/api-keys/gitlab/gitlab_pages_serve" .token)
          echo "GITLAB_TOKEN=$token" > $secretFile
        '';
      };

      social_restic_password = {
        fetchScript = ''
          simple_get "/private-public-keys/restic/Social" .password > $secretFile
        '';
      };
      social_restic_env = {
        fetchScript = ''
          RESTIC_USERNAME=$(simple_get "/api-keys/storage/restic/Social" .username)
          RESTIC_PASSWORD=$(simple_get "/api-keys/storage/restic/Social" .password)
          echo "RESTIC_REPOSITORY=rest:https://$RESTIC_USERNAME:$RESTIC_PASSWORD@storage-restic.owo.monster/Social" > $secretFile
        '';
      };
      restic_password = {
        fetchScript = ''
          simple_get "/private-public-keys/restic/HetznerVM" .password > $secretFile
        '';
      };
      restic_env = {
        fetchScript = ''
          RESTIC_USERNAME=$(simple_get "/api-keys/storage/restic/HetznerVM" .username)
          RESTIC_PASSWORD=$(simple_get "/api-keys/storage/restic/HetznerVM" .password)
          echo "RESTIC_REPOSITORY=rest:https://$RESTIC_USERNAME:$RESTIC_PASSWORD@storage-restic.owo.monster/HetznerVM" > $secretFile
        '';
      };
      wg_privkey = {
        fetchScript = ''
          simple_get "/private-public-keys/wireguard/chaos-internal/hetzner-vm" .private > $secretFile
        '';
      };
      wg_preshared_tablet = {
        path = "/secrets/wg_preshared_tablet";
        fetchScript = ''
          simple_get "/private-public-keys/wireguard/chaos-internal/hetzner-vm" .preshared_keys.tablet > $secretFile
        '';
      };
      wg_preshared_vault = {
        path = "/secrets/wg_preshared_vault";
        fetchScript = ''
          simple_get "/private-public-keys/wireguard/chaos-internal/hetzner-vm" .preshared_keys.vault > $secretFile
        '';
      };
      wg_preshared_storage = {
        path = "/secrets/wg_preshared_storage";
        fetchScript = ''
          simple_get "/private-public-keys/wireguard/chaos-internal/hetzner-vm" .preshared_keys.storage > $secretFile
        '';
      };
      wg_preshared_iphone8 = {
        path = "/secrets/wg_preshared_iphone8";
        fetchScript = ''
          simple_get "/private-public-keys/wireguard/chaos-internal/hetzner-vm" .preshared_keys.iphone8 > $secretFile
        '';
      };
    };
  };
}