Return an error if trying to invite a malformed user ID
MODIFY
roomserver/internal/perform/perform_invite.go
roomserver/internal/perform/perform_invite.go
@@ -56,7 +56,14 @@ func (r *Inviter) PerformInvite(
return nil, fmt.Errorf("failed to load RoomInfo: %w", err)
}
- _, domain, _ := gomatrixserverlib.SplitID('@', targetUserID)
+ _, domain, err := gomatrixserverlib.SplitID('@', targetUserID)
+ if err != nil {
+ res.Error = &api.PerformError{
+ Code: api.PerformErrorBadRequest,
+ Msg: fmt.Sprintf("The user ID %q is invalid!", targetUserID),
+ }
+ return nil, nil
+ }
isTargetLocal := domain == r.Cfg.Matrix.ServerName
isOriginLocal := event.Origin() == r.Cfg.Matrix.ServerName

Return an error if trying to invite a malformed user ID (#2543)