Add GDPR support for ucfunnel adapter (prebid#2619)

* Add a new ucfunnel Adapter and test page

* Add a new ucfunnel Adapter and test page

* 1. Use prebid lib in the repo to keep updated
2. Replace var with let
3. Put JSON.parse(JSON.stringify()) into try catch block

* utils.getTopWindowLocation is a function

* Change to modules from adapters

* Migrate to module design

* [Dev Fix] Remove width and height which can be got from ad unit id

* Update ucfunnelBidAdapter to fit into new spec

* Correct the endpoint. Fix the error of query string

* Add test case for ucfunnelBidAdapter

* Fix lint error

* Update version number

* Combine all checks on bid request

* Add GDPR support for ucfunnel adapter

modules/ucfunnelBidAdapter.js

@@ -19,16 +19,16 @@ export const spec = {
  },
 
  /**
- * Format the bid request object for our endpoint
- * @param {BidRequest[]} bidRequests Array of ucfunnel bidders
- * @return object of parameters for Prebid AJAX request
+ * @param {BidRequest[]} bidRequests
+ * @param {*} bidderRequest
+ * @return {ServerRequest}
  */
- buildRequests: function(validBidRequests) {
+ buildRequests: function(validBidRequests, bidderRequest) {
  var bidRequests = [];
  for (var i = 0; i < validBidRequests.length; i++) {
  var bid = validBidRequests[i];
 
- var ucfunnelUrlParams = buildUrlParams(bid);
+ var ucfunnelUrlParams = buildUrlParams(bid, bidderRequest);
 
  bidRequests.push({
  method: 'GET',
@@ -69,7 +69,7 @@ export const spec = {
 };
 registerBidder(spec);
 
-function buildUrlParams(bid) {
+function buildUrlParams(bid, bidderRequest) {
  const host = utils.getTopWindowLocation().host;
  const page = utils.getTopWindowLocation().pathname;
  const refer = document.referrer;
@@ -88,6 +88,11 @@ function buildUrlParams(bid) {
  'ver', VER
  ];
 
+ if (bidderRequest && bidderRequest.gdprConsent) {
+ queryString.push('gdpr', bidderRequest.gdprConsent.gdprApplies ? 1 : 0);
+ queryString.push('euconsent', bidderRequest.gdprConsent.consentString);
+ }
+
  return queryString.reduce(
  (memo, curr, index) =>
  index % 2 === 0 && queryString[index + 1] !== undefined ? memo + curr + '=' + encodeURIComponent(queryString[index + 1]) + '&' : memo, ''