dl/lib/events/Uuid.js

DreamLab Libs

var Uuid = function () {};

Uuid.isFresh = function (uuid) {
    if (!Uuid.isValid(uuid)) {
        return false;
    }

    var curDate = new Date();
    var curMidnight = new Date(curDate.toDateString());
    var threshold = new Date(curMidnight - Uuid.UUID.LIFETIME);
    var cookieDate = new Date(uuid.replace(Uuid.UUID.DATE_PATTERN, '$1-$2-$3T$4:$5:$6'));

    if (cookieDate >= threshold) {
        return true;
    }

    return false;
};


Uuid.getCounter = function (uuid, n) {
    if (!Uuid.isValid(uuid)) {
        return -1;
    }

    if (!n || (n && n < 0 && n > 4)) {
        n = 4;
    }

    return parseInt(uuid.substr(14, n), 10);
};

Uuid.isValid = function (uuid) {
    if (uuid && uuid.match(Uuid.UUID.PATTERN)) {
        return true;
    }

    return false;
};

Uuid.UUID = {};
Uuid.UUID.LIFETIME = 3 * 1000 * 86400;   // 3 dni
Uuid.UUID.DATE_PATTERN = new RegExp(/^(\d{4})(\d{2})(\d{2})(\d{2})(\d{2})(\d{2}).*/);
Uuid.UUID.PATTERN = /^[0-9]{24,}$/;

exports.Uuid = Uuid;