Megabytemb/code.js

## code.js
function doGet(e) {
  var salt = "Djdids((cx";

  var page = HtmlService
      .createTemplateFromFile('index')
  page.data = {
    AnalyticsUserID: getHash(salt + Session.getActiveUser().getEmail())
  };

  page.params = {
    utm_source: e.parameter["utm_source"],
    utm_medium: e.parameter["utm_medium"],
    utm_campaign: e.parameter["utm_campaign"]
  };


  return page.evaluate()
  .addMetaTag('viewport', 'width=device-width, initial-scale=1');
}

function getHash(message){
  message = message;
  var signature = Utilities.computeDigest(
                       Utilities.DigestAlgorithm.SHA_256,
                       message,
                       Utilities.Charset.US_ASCII);
  var signatureStr = '';
    for (i = 0; i < signature.length; i++) {
      var byte = signature[i];
      if (byte < 0)
        byte += 256;
      var byteStr = byte.toString(16);
      // Ensure we have 2 chars in our byte, pad with 0
      if (byteStr.length == 1) byteStr = '0'+byteStr;
      signatureStr += byteStr;
    }
  return signatureStr;
}

## index.html
<!DOCTYPE html>
<html>
  <head>
    <!-- Google Analytics -->
    <script>
    (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
    (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
    m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
    })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');

    var GA_LOCAL_STORAGE_KEY = 'ga:clientId';

    if (window.localStorage) {
      ga('create', '<Analytics ID>', {
        'storage': 'none',
        'clientId': localStorage.getItem(GA_LOCAL_STORAGE_KEY),
        'userId': '<?!= data.AnalyticsUserID ?>'
      });
      ga(function(tracker) {
        localStorage.setItem(GA_LOCAL_STORAGE_KEY, tracker.get('clientId'));
      });
    }
    else {
      ga('create', '<Analytics ID>', 'auto', {
        'userId': '<?!= data.AnalyticsUserID ?>'
      });
    }

    <? if (params.utm_source) { ?>
      console.log('<?!= params.utm_source ?>')
      ga('set', 'campaignSource', '<?!= params.utm_source ?>');
    <? } ?>

    <? if (params.utm_medium) { ?>
      console.log('<?!= params.utm_medium ?>')
      ga('set', 'campaignMedium', '<?!= params.utm_medium ?>');
    <? } ?>

    <? if (params.utm_campaign) { ?>
      console.log('<?!= params.utm_campaign ?>')
      ga('set', 'campaignName', '<?!= params.utm_campaign ?>');
    <? } ?>

    ga('send', 'pageview');
    </script>
    <!-- End Google Analytics -->


  </head>
    <body>
    Content!!!
    </body>
</html>
	function doGet(e) {
	var salt = "Djdids((cx";

	var page = HtmlService
	.createTemplateFromFile('index')
	page.data = {
	AnalyticsUserID: getHash(salt + Session.getActiveUser().getEmail())
	};

	page.params = {
	utm_source: e.parameter["utm_source"],
	utm_medium: e.parameter["utm_medium"],
	utm_campaign: e.parameter["utm_campaign"]
	};


	return page.evaluate()
	.addMetaTag('viewport', 'width=device-width, initial-scale=1');
	}

	function getHash(message){
	message = message;
	var signature = Utilities.computeDigest(
	Utilities.DigestAlgorithm.SHA_256,
	message,
	Utilities.Charset.US_ASCII);
	var signatureStr = '';
	for (i = 0; i < signature.length; i++) {
	var byte = signature[i];
	if (byte < 0)
	byte += 256;
	var byteStr = byte.toString(16);
	// Ensure we have 2 chars in our byte, pad with 0
	if (byteStr.length == 1) byteStr = '0'+byteStr;
	signatureStr += byteStr;
	}
	return signatureStr;
	}
	<!DOCTYPE html>
	<html>
	<head>
	<!-- Google Analytics -->
	<script>
	(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]\|\|function(){
	(i[r].q=i[r].q\|\|[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
	m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
	})(window,document,'script','https://www.google-analytics.com/analytics.js','ga');

	var GA_LOCAL_STORAGE_KEY = 'ga:clientId';

	if (window.localStorage) {
	ga('create', '<Analytics ID>', {
	'storage': 'none',
	'clientId': localStorage.getItem(GA_LOCAL_STORAGE_KEY),
	'userId': '<?!= data.AnalyticsUserID ?>'
	});
	ga(function(tracker) {
	localStorage.setItem(GA_LOCAL_STORAGE_KEY, tracker.get('clientId'));
	});
	}
	else {
	ga('create', '<Analytics ID>', 'auto', {
	'userId': '<?!= data.AnalyticsUserID ?>'
	});
	}

	<? if (params.utm_source) { ?>
	console.log('<?!= params.utm_source ?>')
	ga('set', 'campaignSource', '<?!= params.utm_source ?>');
	<? } ?>

	<? if (params.utm_medium) { ?>
	console.log('<?!= params.utm_medium ?>')
	ga('set', 'campaignMedium', '<?!= params.utm_medium ?>');
	<? } ?>

	<? if (params.utm_campaign) { ?>
	console.log('<?!= params.utm_campaign ?>')
	ga('set', 'campaignName', '<?!= params.utm_campaign ?>');
	<? } ?>

	ga('send', 'pageview');
	</script>
	<!-- End Google Analytics -->


	</head>
	<body>
	Content!!!
	</body>
	</html>