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
}
