Add security warning

scripts/ewp-secrets

@@ -29,6 +29,9 @@ class __SecretManager(ABC):
 
     @abstractmethod
     def load(self, namespace: str, key: str) -> Optional[str]: ...
+    
+    def is_secure(self) -> bool:
+        return True
 
 
 class GnomeKeyringSM(__SecretManager):
@@ -117,6 +120,8 @@ class FilesystemSM(__SecretManager):
             return result[0]
         return None
 
+    def is_secure(self) -> bool:
+        return False
 
 class EwpSecrets:
     def __init__(self):
@@ -165,6 +170,8 @@ def main() -> int:
 
     # Perform the requested action
     if args.action == "store":
+        if not secrets.secret_managers[0].is_secure():
+            print("Warning: This system does not have a secure way to store secrets", file=sys.stderr)
         secret = input("Enter the secret: ")
         secrets.store(args.namespace, args.key, secret)
         return 0