Added user sync support for undertone bid adapter

modules/undertoneBidAdapter.js

@@ -2,11 +2,44 @@
  * Adapter to send bids to Undertone
  */
 
-import * as utils from 'src/utils';
+import * as urlUtils from 'src/url';
 import { registerBidder } from 'src/adapters/bidderFactory';
 
 const BIDDER_CODE = 'undertone';
 const URL = '//hb.undertone.com/hb';
+const FRAME_USER_SYNC = '//cdn.undertone.com/js/usersync.html';
+const PIXEL_USER_SYNC_1 = '//usr.undertone.com/userPixel/syncOne?id=1&of=2';
+const PIXEL_USER_SYNC_2 = '//usr.undertone.com/userPixel/syncOne?id=2&of=2';
+
+function getCanonicalUrl() {
+  try {
+    let doc = window.top.document;
+    let element = doc.querySelector("link[rel='canonical']");
+    if (element !== null) {
+      return element.href;
+    }
+  } catch (e) {
+  }
+  return null;
+}
+
+function extractDomainFromHost(pageHost) {
+  let domain = null;
+  try {
+    let domains = /[-\w]+\.([-\w]+|[-\w]{3,}|[-\w]{1,3}\.[-\w]{2})$/i.exec(pageHost);
+    if (domains != null && domains.length > 0) {
+      domain = domains[0];
+      for (let i = 1; i < domains.length; i++) {
+        if (domains[i].length > domain.length) {
+          domain = domains[i];
+        }
+      }
+    }
+  } catch (e) {
+    domain = null;
+  }
+  return domain;
+}
 
 export const spec = {
   code: BIDDER_CODE,
@@ -16,21 +49,14 @@ export const spec = {
       return true;
     }
   },
-  buildRequests: function(validBidRequests) {
+  buildRequests: function(validBidRequests, bidderRequest) {
     const payload = {
       'x-ut-hb-params': []
     };
-    const location = utils.getTopWindowLocation();
-    let domains = /[-\w]+\.([-\w]+|[-\w]{3,}|[-\w]{1,3}\.[-\w]{2})$/i.exec(location.host);
-    let domain = null;
-    if (domains != null && domains.length > 0) {
-      domain = domains[0];
-      for (let i = 1; i < domains.length; i++) {
-        if (domains[i].length > domain.length) {
-          domain = domains[i];
-        }
-      }
-    }
+    const referer = bidderRequest.refererInfo.referer;
+    const hostname = urlUtils.parse(referer).hostname;
+    let domain = extractDomainFromHost(hostname);
+    const pageUrl = getCanonicalUrl() || referer;
 
     const pubid = validBidRequests[0].params.publisherId;
     const REQ_URL = `${URL}?pid=${pubid}&domain=${domain}`;
@@ -39,7 +65,7 @@ export const spec = {
       const bid = {
         bidRequestId: bidReq.bidId,
         hbadaptor: 'prebid',
-        url: location.href,
+        url: pageUrl,
         domain: domain,
         placementId: bidReq.params.placementId != undefined ? bidReq.params.placementId : null,
         publisherId: bidReq.params.publisherId,
@@ -78,6 +104,29 @@ export const spec = {
       });
     }
     return bids;
+  },
+  getUserSyncs: function(syncOptions, serverResponses, gdprConsent) {
+    const syncs = [];
+    if (gdprConsent && gdprConsent.gdprApplies === true) {
+      return syncs;
+    }
+
+    if (syncOptions.iframeEnabled) {
+      syncs.push({
+        type: 'iframe',
+        url: FRAME_USER_SYNC
+      });
+    } else if (syncOptions.pixelEnabled) {
+      syncs.push({
+        type: 'image',
+        url: PIXEL_USER_SYNC_1
+      },
+      {
+        type: 'image',
+        url: PIXEL_USER_SYNC_2
+      });
+    }
+    return syncs;
   }
 };
 registerBidder(spec);

test/spec/modules/undertoneBidAdapter_spec.js

@@ -44,6 +44,12 @@ const bidReq = [{
   auctionId: '6c22f5a5-59df-4dc6-b92c-f433bcf0a874'
 }];
 
+const bidderReq = {
+  refererInfo: {
+    referer: 'http://prebid.org/dev-docs/bidder-adaptor.html'
+  }
+};
+
 const validBidRes = {
   ad: '<div>Hello</div>',
   publisherId: 12345,
@@ -98,14 +104,16 @@ describe('Undertone Adapter', function () {
   });
   describe('build request', function () {
     it('should send request to correct url via POST', function () {
-      const request = spec.buildRequests(bidReq);
-      const domain = null;
+      const request = spec.buildRequests(bidReq, bidderReq);
+      const domainStart = bidderReq.refererInfo.referer.indexOf('//');
+      const domainEnd = bidderReq.refererInfo.referer.indexOf('/', domainStart + 2);
+      const domain = bidderReq.refererInfo.referer.substring(domainStart + 2, domainEnd);
       const REQ_URL = `${URL}?pid=${bidReq[0].params.publisherId}&domain=${domain}`;
       expect(request.url).to.equal(REQ_URL);
       expect(request.method).to.equal('POST');
     });
     it('should have all relevant fields', function () {
-      const request = spec.buildRequests(bidReq);
+      const request = spec.buildRequests(bidReq, bidderReq);
       const bid1 = JSON.parse(request.data)['x-ut-hb-params'][0];
       expect(bid1.bidRequestId).to.equal('263be71e91dd9d');
       expect(bid1.sizes.length).to.equal(2);
@@ -150,4 +158,27 @@ describe('Undertone Adapter', function () {
       expect(spec.interpretResponse({ body: bidResArray }).length).to.equal(1);
     });
   });
+
+  describe('getUserSyncs', () => {
+    it('verifies gdpr consent checked', () => {
+      const options = ({ iframeEnabled: true, pixelEnabled: true });
+      expect(spec.getUserSyncs(options, {}, { gdprApplies: true }).length).to.equal(0);
+    });
+
+    it('Verifies sync iframe option', function () {
+      const result = spec.getUserSyncs({ iframeEnabled: true, pixelEnabled: true });
+      expect(result).to.have.lengthOf(1);
+      expect(result[0].type).to.equal('iframe');
+      expect(result[0].url).to.equal('//cdn.undertone.com/js/usersync.html');
+    });
+
+    it('Verifies sync image option', function () {
+      const result = spec.getUserSyncs({ pixelEnabled: true });
+      expect(result).to.have.lengthOf(2);
+      expect(result[0].type).to.equal('image');
+      expect(result[0].url).to.equal('//usr.undertone.com/userPixel/syncOne?id=1&of=2');
+      expect(result[1].type).to.equal('image');
+      expect(result[1].url).to.equal('//usr.undertone.com/userPixel/syncOne?id=2&of=2');
+    });
+  });
 });