Fix Registry: Changing the type of an existing account from user to group panics

2026-06-28 19:10:00 +02:00
parent 7e7e254328
commit 5f58fdb92b
2 changed files with 9 additions and 1 deletions
--- a/crates/jmap/src/registry/mapping/principal.rs
+++ b/crates/jmap/src/registry/mapping/principal.rs
@@ -245,7 +245,14 @@ pub(crate) async fn validate_account(

            true
        }
-        _ => unreachable!(),
+        (Account::User(_), AccountUpdate::Update(Account::Group(_)))
+        | (Account::Group(_), AccountUpdate::Update(Account::User(_))) => {
+            return Ok(Err(SetError::invalid_properties()
+                .with_property(Property::Type)
+                .with_description(
+                    "Cannot change the type of an existing account.",
+                )));
+        }
    };

    let mut result = if validate_permissions {