package api import ( "errors" "fmt" "os" "path/filepath" "dns.froth.zone/pomme/internal" ) var errEmptyFile = errors.New("will not save empty file to FS") // makeLocal takes a type path and then saves a zone file to either tmp or a permanent location. func makeLocal(zone *ZoneRequest) error { if _, err := os.Stat(fmt.Sprintf(zone.FileName, zone.User)); !os.IsNotExist(err) { return fmt.Errorf("file %s already exists: %w", zone.FileName, err) } if len(zone.Body) == 0 { return errEmptyFile } c, err := internal.ReadConfig() if err != nil { logger := newResponder(Response[any]{ Message: "no config file defined", Err: err.Error(), }) logger.writeLogEntry() return fmt.Errorf("unable to parse directory: %w", err) } path := fmt.Sprintf("%s/%s/", c.ZoneDir, zone.FileName) if err = os.MkdirAll(path, 0o750); err != nil { logger := newResponder(Response[any]{ Message: "unable to make directory for zone files", Err: err.Error(), }) logger.writeLogEntry() return fmt.Errorf("unable to make zone directory: %w", err) } f, err := os.Create(filepath.Clean(path + zone.FileName)) //nolint: gosec if err != nil { return fmt.Errorf("failed to write file locally: %w", err) } // close and remove the temporary file at the end of the program defer func() { if err = f.Close(); err != nil { return } }() err = os.WriteFile(f.Name(), zone.Body, 0o600) if err != nil { return fmt.Errorf("failed to write file locally: %w", err) } return nil }