fix lint (#5068)

pkg/config/v1/client.go

@@ -249,6 +249,22 @@ type VirtualNetConfig struct {
 	Address string `json:"address,omitempty"`
 }
 
+const (
+	UnsafeFeatureTokenSourceExec = "TokenSourceExec"
+)
+
 type UnsafeFeatures struct {
-	TokenSourceExec bool
+	features map[string]bool
+}
+
+func NewUnsafeFeatures(allowed []string) UnsafeFeatures {
+	features := make(map[string]bool)
+	for _, f := range allowed {
+		features[f] = true
+	}
+	return UnsafeFeatures{features: features}
+}
+
+func (u UnsafeFeatures) IsEnabled(feature string) bool {
+	return u.features[feature]
 }