if (window !== window.top) {
                var GET_STORAGE = 'GET_STORAGE';
                var CLEAR_STORAGE = 'CLEAR_STORAGE';
                var RECEIVE_STORAGE = 'RECEIVE_STORAGE';
                var UPDATE_STORAGE = 'UPDATE_STORAGE';
                var VALIDATE_IFRAME = 'VALIDATE_IFRAME';
                var VALIDATE_IFRAME_RESPONSE = 'VALIDATE_IFRAME_RESPONSE';

                window.addEventListener(
                    'message',
                    function (event) {
                        var expDate = undefined;
                        var data = event.data;
                        if (typeof data !== 'string') {
                            return;
                        }
                        (origin = event.origin),
                            (source = event.source),
                            (splitData = data.split('|'));
                        try {
                            j = JSON.parse(data);
                            expDate = j.expDate;
                            splitData = [
                                j.storeKey,
                                j.configId,
                                j.eventName,
                                '_',
                                j.consent && typeof j.consent !== 'string'
                                    ? JSON.stringify(j.consent)
                                    : j.consent || '',
                            ];
                        } catch (e) {
                            // message was not json
                        }
                        var storeKey = splitData[0],
                            configId = splitData[1],
                            eventName = splitData[2],
                            key = splitData[3],
                            value = splitData[4];

                        if (storeKey === 'osano_consentmanager') {
                            switch (eventName) {
                                case GET_STORAGE:
                                    var message =
                                        localStorage.getItem(storeKey + '_' + configId) +
                                        '|' +
                                        localStorage.getItem(
                                            storeKey + '_' + configId + '_expdate'
                                        );
                                    source.postMessage(
                                        storeKey + '|' + RECEIVE_STORAGE + '|' + message,
                                        origin
                                    );
                                    break;
                                case CLEAR_STORAGE:
                                    localStorage.removeItem(storeKey + '_' + configId);
                                    localStorage.removeItem(storeKey + '_' + configId + '_expdate');
                                    source.postMessage(
                                        storeKey + '|' + VALIDATE_IFRAME_RESPONSE,
                                        origin
                                    );
                                    break;
                                case UPDATE_STORAGE:
                                    localStorage.setItem(
                                        storeKey + '_' + configId + (key === '_' ? '' : '_' + key),
                                        value
                                    );
                                    if (expDate) {
                                        localStorage.setItem(
                                            storeKey + '_' + configId + '_expdate',
                                            expDate
                                        );
                                    }
                                    source.postMessage(
                                        storeKey + '|' + VALIDATE_IFRAME_RESPONSE,
                                        origin
                                    );
                                    break;
                                case VALIDATE_IFRAME:
                                    source.postMessage(
                                        storeKey + '|' + VALIDATE_IFRAME_RESPONSE,
                                        origin
                                    );
                                    break;
                                default:
                                    break;
                            }
                        }
                    },
                    false
                );
            }