Added 'ceh' config property in Criteo bid adapter (prebid#3969)

* Added 'ceh' config property and mapped it to CDB request

Added 'ceh' config property and mapped it to CDB request

* Added config.resetConfig() to ensure that call to setConfig won't have an impact on any other test

* Missed the ';'

modules/criteoBidAdapter.js

@@ -5,8 +5,9 @@ import * as utils from '../src/utils';
 import find from 'core-js/library/fn/array/find';
 import JSEncrypt from 'jsencrypt/bin/jsencrypt';
 import sha256 from 'crypto-js/sha256';
+import { config } from '../src/config';
 
-const ADAPTER_VERSION = 16;
+const ADAPTER_VERSION = 17;
 const BIDDER_CODE = 'criteo';
 const CDB_ENDPOINT = '//bidder.criteo.com/cdb';
 const CRITEO_VENDOR_ID = 91;
@@ -47,6 +48,8 @@ export const spec = {
     let url;
     let data;
 
+    Object.assign(bidderRequest, { ceh: config.getConfig('criteo.ceh') });
+
     // If publisher tag not already loaded try to get it from fast bid
     if (!publisherTagAvailable()) {
       window.Criteo = window.Criteo || {};
@@ -239,6 +242,10 @@ function buildCdbRequest(context, bidRequests, bidderRequest) {
   if (networkId) {
     request.publisher.networkid = networkId;
   }
+  request.user = {};
+  if (bidderRequest && bidderRequest.ceh) {
+    request.user.ceh = bidderRequest.ceh;
+  }
   if (bidderRequest && bidderRequest.gdprConsent) {
     request.gdprConsent = {};
     if (typeof bidderRequest.gdprConsent.gdprApplies !== 'undefined') {

modules/criteoBidAdapter.md

@@ -25,3 +25,13 @@ Module that connects to Criteo's demand sources.
         }
     ];
 ```
+
+# Additional Config (Optional)
+Set the "ceh" property to provides the user's hashed email if available
+```
+  pbjs.setConfig({
+    criteo: {
+      ceh: 'hashed mail'
+    }
+  });
+```

test/spec/modules/criteoBidAdapter_spec.js

@@ -3,12 +3,14 @@ import { cryptoVerify, spec, FAST_BID_PUBKEY } from 'modules/criteoBidAdapter';
 import { createBid } from 'src/bidfactory';
 import CONSTANTS from 'src/constants.json';
 import * as utils from 'src/utils';
+import { config } from '../../../src/config';
 
 describe('The Criteo bidding adapter', function () {
   beforeEach(function () {
     // Remove FastBid to avoid side effects.
     localStorage.removeItem('criteo_fast_bid');
   });
+
   describe('isBidRequestValid', function () {
     it('should return false when given an invalid bid', function () {
       const bid = {
@@ -66,6 +68,10 @@ describe('The Criteo bidding adapter', function () {
       },
     };
 
+    afterEach(function () {
+      config.resetConfig();
+    });
+
     it('should properly build a zoneId request', function () {
       const bidRequests = [
         {
@@ -198,6 +204,28 @@ describe('The Criteo bidding adapter', function () {
       expect(ortbRequest.gdprConsent.gdprApplies).to.equal(undefined);
       expect(ortbRequest.gdprConsent.consentGiven).to.equal(undefined);
     });
+
+    it('should properly build a request with ceh', function () {
+      const bidRequests = [
+        {
+          bidder: 'criteo',
+          adUnitCode: 'bid-123',
+          transactionId: 'transaction-123',
+          sizes: [[728, 90]],
+          params: {
+            zoneId: 123,
+          },
+        },
+      ];
+      config.setConfig({
+        criteo: {
+          ceh: 'hashedemail'
+        }
+      });
+      const request = spec.buildRequests(bidRequests, bidderRequest);
+      expect(request.data.user).to.not.be.null;
+      expect(request.data.user.ceh).to.equal('hashedemail');
+    });
   });
 
   describe('interpretResponse', function () {