don't create enc key if enc key dir is not set

get/get.go

@@ -8,6 +8,7 @@ import (
 	"reflect"
 
 	"github.com/starlinglab/integrity-v2/aa"
+	"github.com/starlinglab/integrity-v2/config"
 	"github.com/starlinglab/integrity-v2/util"
 )
 
@@ -51,6 +52,9 @@ func Run(args []string) error {
 			return fmt.Errorf("error reading key: %w", err)
 		}
 	} else if isEncrypted {
+		if config.GetConfig().Dirs.EncKeys == "" {
+			return fmt.Errorf("enc_keys path is not configured, are you on the server?")
+		}
 		var err error
 		_, encKey, _, err = util.GenerateEncKey(cid, attr)
 		if err != nil {

util/key.go

@@ -18,6 +18,11 @@ const (
 // and stores it in a file. If the key already exists, it is read from the file.
 func GenerateEncKey(cid, attr string) (encKeyPath string, encKeyBytes []byte, isNew bool, err error) {
 	conf := config.GetConfig()
+
+	if conf.Dirs.EncKeys == "" {
+		return "", nil, false, fmt.Errorf("enc_keys path is not configured")
+	}
+
 	encKeyPath = filepath.Join(conf.Dirs.EncKeys, fmt.Sprintf("%s_%s.key", cid, attr))
 	f, err := os.OpenFile(encKeyPath, os.O_WRONLY|os.O_CREATE|os.O_EXCL, 0600)
 	if err != nil {