move config validation into a separate function

extensions/auth-basic/pkg/config/defaults/defaultconfig.go

@@ -9,9 +9,8 @@ import (
 
 func FullDefaultConfig() *config.Config {
 	cfg := DefaultConfig()
-
 	EnsureDefaults(cfg)
-
+	Sanitize(cfg)
 	return cfg
 }
 

extensions/auth-basic/pkg/config/parser/parse.go

@@ -29,5 +29,9 @@ func ParseConfig(cfg *config.Config) error {
 
 	defaults.Sanitize(cfg)
 
+	return Validate(cfg)
+}
+
+func Validate(cfg *config.Config) error {
 	return nil
 }