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

    vaultLogin = {
      enable = true;
      loginUsername = "hetzner-arm-container-storage";
    };

    autoSecrets = {
      enable = true;
    };

    requiredVaultPaths = [
      "api-keys/data/hetzner/storagebox"

      "api-keys/data/putio"

      "api-keys/data/backblaze/Chaos-Backups"
      "api-keys/data/backblaze/Chaos-Photos"
      "api-keys/data/backblaze/Chaos-Music"
      "api-keys/data/backblaze/Chaos-Personal"
      "api-keys/data/backblaze/Chaos-Public"
      "api-keys/data/backblaze/Chaos-Media"
      "api-keys/data/backblaze/Phoenix-Cryptidz-Storage"

      "api-keys/data/storage/restic/Music"
      "api-keys/data/storage/restic/Vault"
      "api-keys/data/storage/restic/Social"
      "api-keys/data/storage/restic/Quassel"
      "api-keys/data/storage/restic/Piped"
      "api-keys/data/storage/restic/Mail"

      "api-keys/data/storage/webdav/main"
      "api-keys/data/storage/webdav/media"

      "private-public-keys/data/rclone/Chaos-Media-Crypt"
    ];

    packages = with pkgs; [
      # for music & mail passwd files
      apacheHttpd
      # for rclone obscure config file
      rclone
    ];

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

      simple_get_obscure() {
        rclone obscure "$(simple_get "$@")"
      }

      simple_get_replace_b2() {
        api_account=$(simple_get "$1" .keyID | replace_slash_for_sed)
        api_key=$(simple_get "$1" .applicationKey | replace_slash_for_sed)

        replace_account=''${2}_ACCOUNT
        replace_key=''${2}_KEY

        sed -i "s/$replace_account/$api_account/" "$3"
        sed -i "s/$replace_key/$api_key/" "$3"
      }

      simple_get_replace_crypt() {
        password=$(simple_get_obscure "$1" .password)
        salt=$(simple_get_obscure "$1" .salt)

        replace_password=''${2}_PASSWORD
        replace_salt=''${2}_SALT

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

    secrets = {
      vault_password = {manual = true;};

      restic_music_htpasswd = {
        user = "storage";
        group = "storage";
        fetchScript = ''
          username=$(simple_get "/api-keys/storage/restic/Music" .username)
          password=$(simple_get "/api-keys/storage/restic/Music" .password)
          htpasswd -bc "$secretFile" "$username" "$password" 2>/dev/null
        '';
      };
      restic_vault_htpasswd = {
        user = "storage";
        group = "storage";
        fetchScript = ''
          username=$(simple_get "/api-keys/storage/restic/Vault" .username)
          password=$(simple_get "/api-keys/storage/restic/Vault" .password)
          htpasswd -bc "$secretFile" "$username" "$password" 2>/dev/null
        '';
      };
      restic_social_htpasswd = {
        user = "storage";
        group = "storage";
        fetchScript = ''
          username=$(simple_get "/api-keys/storage/restic/Social" .username)
          password=$(simple_get "/api-keys/storage/restic/Social" .password)
          htpasswd -bc "$secretFile" "$username" "$password" 2>/dev/null
        '';
      };

      restic_quassel_htpasswd = {
        user = "storage";
        group = "storage";
        fetchScript = ''
          username=$(simple_get "/api-keys/storage/restic/Quassel" .username)
          password=$(simple_get "/api-keys/storage/restic/Quassel" .password)
          htpasswd -bc "$secretFile" "$username" "$password" 2>/dev/null
        '';
      };

      restic_piped_htpasswd = {
        user = "storage";
        group = "storage";
        fetchScript = ''
          username=$(simple_get "/api-keys/storage/restic/Piped" .username)
          password=$(simple_get "/api-keys/storage/restic/Piped" .password)
          htpasswd -bc "$secretFile" "$username" "$password" 2>/dev/null
        '';
      };

      restic_mail_htpasswd = {
        user = "storage";
        group = "storage";
        fetchScript = ''
          username=$(simple_get "/api-keys/storage/restic/Mail" .username)
          password=$(simple_get "/api-keys/storage/restic/Mail" .password)
          htpasswd -bc "$secretFile" "$username" "$password" 2>/dev/null
        '';
      };

      webdav_main_htpasswd = {
        user = "storage";
        group = "storage";
        fetchScript = ''
          username=$(simple_get "/api-keys/storage/webdav/main" .username)
          password=$(simple_get "/api-keys/storage/webdav/main" .password)
          htpasswd -bc "$secretFile" "$username" "$password" 2>/dev/null
        '';
      };
      webdav_media_htpasswd = {
        user = "storage";
        group = "storage";
        fetchScript = ''
          username=$(simple_get "/api-keys/storage/webdav/media" .username)
          password=$(simple_get "/api-keys/storage/webdav/media" .password)
          htpasswd -bc "$secretFile" "$username" "$password" 2>/dev/null
        '';
      };

      rclone_config = {
        user = "storage";
        group = "storage";
        fetchScript = ''
          TMP_DIR="$(mktemp -d)"

          cp ${./rclone_config.template} "$TMP_DIR/template"

          pushd "$TMP_DIR" >/dev/null

          STORAGEBOX_PASSWORD=$(simple_get_obscure /api-keys/hetzner/storagebox .password)
          sed -i "s/STORAGEBOX_PASSWORD/$STORAGEBOX_PASSWORD/" ./template

          simple_get_replace_b2 "/api-keys/backblaze/Chaos-Backups" "B2_CHAOS_BACKUPS" ./template
          simple_get_replace_b2 "/api-keys/backblaze/Chaos-Photos" "B2_CHAOS_PHOTOS" ./template
          simple_get_replace_b2 "/api-keys/backblaze/Chaos-Music" "B2_CHAOS_MUSIC" ./template
          simple_get_replace_b2 "/api-keys/backblaze/Chaos-Personal" "B2_CHAOS_PERSONAL" ./template
          simple_get_replace_b2 "/api-keys/backblaze/Chaos-Public" "B2_CHAOS_PUBLIC" ./template
          simple_get_replace_b2 "/api-keys/backblaze/Chaos-Media" "B2_CHAOS_MEDIA" ./template
          simple_get_replace_b2 "/api-keys/backblaze/Phoenix-Cryptidz-Storage" "B2_PHOENIX_CRYPTIDZ_STORAGE" ./template

          PUTIO_PASSWORD="token/$(simple_get /api-keys/putio .oauth_token)"
          PUTIO_PASSWORD="$(rclone obscure "$PUTIO_PASSWORD")"
          sed -i "s/PUTIO_PASSWORD/$PUTIO_PASSWORD/" ./template

          simple_get_replace_crypt "/private-public-keys/rclone/Chaos-Media-Crypt" "STORAGE_MEDIA_CRYPT" ./template

          cp ./template "$secretFile"

          popd >/dev/null

          rm -rf "$TMP_DIR"
        '';
      };
    };
  };
}