sourcebuster/src/js/helpers/cookies.js

Get sources of your site's visitors (utm / organic / referral / typein).

"use strict";

var delimiter = require('../data').delimiter;

module.exports = {

  encodeData: function(s) {
    return encodeURIComponent(s).replace(/\!/g, '%21')
                                .replace(/\~/g, '%7E')
                                .replace(/\*/g, '%2A')
                                .replace(/\'/g, '%27')
                                .replace(/\(/g, '%28')
                                .replace(/\)/g, '%29');
  },

  decodeData: function(s) {
    try {
      return decodeURIComponent(s).replace(/\%21/g, '!')
                                  .replace(/\%7E/g, '~')
                                  .replace(/\%2A/g, '*')
                                  .replace(/\%27/g, "'")
                                  .replace(/\%28/g, '(')
                                  .replace(/\%29/g, ')');
    } catch(err1) {
      // try unescape for backward compatibility
      try { return unescape(s); } catch(err2) { return ''; }
    }
  },

  set: function(name, value, minutes, domain, excl_subdomains) {
    var expires, basehost;

    if (minutes) {
      var date = new Date();
      date.setTime(date.getTime() + (minutes * 60 * 1000));
      expires = '; expires=' + date.toGMTString();
    } else {
      expires = '';
    }
    if (domain && !excl_subdomains) {
      basehost = ';domain=.' + domain;
    } else {
      basehost = '';
    }
    document.cookie = this.encodeData(name) + '=' + this.encodeData(value) + expires + basehost + '; path=/';
  },

  get: function(name) {
    var nameEQ = this.encodeData(name) + '=',
        ca = document.cookie.split(';');

    for (var i = 0; i < ca.length; i++) {
      var c = ca[i];
      while (c.charAt(0) === ' ') { c = c.substring(1, c.length); }
      if (c.indexOf(nameEQ) === 0) {
        return this.decodeData(c.substring(nameEQ.length, c.length));
      }
    }
    return null;
  },

  destroy: function(name, domain, excl_subdomains) {
    this.set(name, '', -1, domain, excl_subdomains);
  },

  parse: function(yummy) {

    var cookies = [],
        data    = {};

    if (typeof yummy === 'string') {
      cookies.push(yummy);
    } else {
      for (var prop in yummy) {
        if (yummy.hasOwnProperty(prop)) {
          cookies.push(yummy[prop]);
        }
      }
    }

    for (var i1 = 0; i1 < cookies.length; i1++) {
      var cookie_array;
      data[this.unsbjs(cookies[i1])] = {};
      if (this.get(cookies[i1])) {
        cookie_array = this.get(cookies[i1]).split(delimiter);
      } else {
        cookie_array = [];
      }
      for (var i2 = 0; i2 < cookie_array.length; i2++) {
        var tmp_array = cookie_array[i2].split('='),
            result_array = tmp_array.splice(0, 1);
        result_array.push(tmp_array.join('='));
        data[this.unsbjs(cookies[i1])][result_array[0]] = this.decodeData(result_array[1]);
      }
    }

    return data;

  },

  unsbjs: function (string) {
    return string.replace('sbjs_', '');
  }

};