getUsetAgent

user-agent.js

exports.getUserAgent = (user) => {
  let isMobile;
  (/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|ipad|iris|kindle|Android|Silk|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(navigator.userAgent)
    || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(navigator.userAgent.substr(0, 4)))
    ? isMobile = true : isMobile = false;

  let data = {
    user_id: user.id,
    db_id: user.db_id,
    is_mobile: isMobile,
    details: {
      screen: {
        width: window.screen.width,
        height: window.screen.height,
      },
      browser: {},
    }
  }


  let module = {
    options: [],
    header: [navigator.platform, navigator.userAgent, navigator.appVersion, navigator.vendor, window.opera],
    dataos: [
      { name: 'Windows Phone', value: 'Windows Phone', version: 'OS' },
      { name: 'Windows', value: 'Win', version: 'NT' },
      { name: 'iPhone', value: 'iPhone', version: 'OS' },
      { name: 'iPad', value: 'iPad', version: 'OS' },
      { name: 'Kindle', value: 'Silk', version: 'Silk' },
      { name: 'Android', value: 'Android', version: 'Android' },
      { name: 'PlayBook', value: 'PlayBook', version: 'OS' },
      { name: 'BlackBerry', value: 'BlackBerry', version: '/' },
      { name: 'Macintosh', value: 'Mac', version: 'OS X' },
      { name: 'Linux', value: 'Linux', version: 'rv' },
      { name: 'Palm', value: 'Palm', version: 'PalmOS' }
    ],
    databrowser: [
      { name: 'Chrome', value: 'Chrome', version: 'Chrome' },
      { name: 'Firefox', value: 'Firefox', version: 'Firefox' },
      { name: 'Safari', value: 'Safari', version: 'Version' },
      { name: 'Internet Explorer', value: 'MSIE', version: 'MSIE' },
      { name: 'Opera', value: 'Opera', version: 'Opera' },
      { name: 'BlackBerry', value: 'CLDC', version: 'CLDC' },
      { name: 'Mozilla', value: 'Mozilla', version: 'Mozilla' }
    ],
    init: function () {
      var agent = this.header.join(' '),
        os = this.matchItem(agent, this.dataos),
        browser = this.matchItem(agent, this.databrowser);

      return { os: os, browser: browser };
    },
    matchItem: function (string, data) {
      var i = 0,
        j = 0,
        html = '',
        regex,
        regexv,
        match,
        matches,
        version;

      for (i = 0; i < data.length; i += 1) {
        regex = new RegExp(data[i].value, 'i');
        match = regex.test(string);
        if (match) {
          regexv = new RegExp(data[i].version + '[- /:;]([\\d._]+)', 'i');
          matches = string.match(regexv);
          version = '';
          if (matches) { if (matches[1]) { matches = matches[1]; } }
          if (matches) {
            matches = matches.split(/[._]+/);
            for (j = 0; j < matches.length; j += 1) {
              if (j === 0) {
                version += matches[j] + '.';
              } else {
                version += matches[j];
              }
            }
          } else {
            version = '0';
          }
          return {
            name: data[i].name,
            version: parseFloat(version)
          };
        }
      }
      return { name: 'unknown', version: 0 };
    }
  };

  let e = module.init();
  data.details.browser.name = e.browser.name;
  data.details.browser.version = e.browser.version.toFixed(3);
  data.details.os = e.os;

  return data;
};