func lookupApplicatioByAudience(core *roll.Core, audience string) (*roll.Application, error) { app, err := core.SystemRetrieveApplicationByJWTFlowAudience(audience) if err != nil { log.Info("Error retrieving app data: ", err.Error()) return nil, ErrRetrievingAppData } if app == nil { log.Info("invalid client id") return nil, errors.New("Invalid client id") } return app, nil }