Concert Bid Adapter: enable support for GPP consent and remove user sync (prebid#9700)

* collect EIDs for bid request

* add ad slot positioning to payload

* RPO-2012: Update local storage name-spacing for c_uid (#8)

* Updates c_uid namespacing to be more specific for concert

* fixes unit tests

* remove console.log

* RPO-2012: Add check for shared id (#9)

* Adds check for sharedId

* Updates cookie name

* remove trailing comma

* [RPO-3152] Enable Support for GPP Consent (#12)

* Adds gpp consent integration to concert bid adapter

* Update tests to check for gpp consent string param

* removes user sync endpoint and tests

* updates comment

* cleans up consentAllowsPpid function

* comment fix

* rename variables for clarity

* fixes conditional logic for consent allows function (#13)

---------

Co-authored-by: antoin <antoin.campbell@voxmedia.com>
Co-authored-by: Antoin <antoinfive@gmail.com>

Author: BrettBlox

modules/concertBidAdapter.js

@@ -5,7 +5,6 @@ import { hasPurpose1Consent } from '../src/utils/gpdr.js';
 
 const BIDDER_CODE = 'concert';
 const CONCERT_ENDPOINT = 'https://bids.concert.io';
-const USER_SYNC_URL = 'https://cdn.concert.io/lib/bids/sync.html';
 
 export const spec = {
   code: BIDDER_CODE,
@@ -47,10 +46,18 @@ export const spec = {
         optedOut: hasOptedOutOfPersonalization(),
         adapterVersion: '1.1.1',
         uspConsent: bidderRequest.uspConsent,
-        gdprConsent: bidderRequest.gdprConsent
+        gdprConsent: bidderRequest.gdprConsent,
+        gppConsent: bidderRequest.gppConsent,
       }
     };
 
+    if (!payload.meta.gppConsent && bidderRequest.ortb2?.regs?.gpp) {
+      payload.meta.gppConsent = {
+        gppString: bidderRequest.ortb2.regs.gpp,
+        applicableSections: bidderRequest.ortb2.regs.gpp_sid
+      }
+    }
+
     payload.slots = validBidRequests.map(bidRequest => {
       collectEid(eids, bidRequest);
       const adUnitElement = document.getElementById(bidRequest.adUnitCode)
@@ -124,38 +131,6 @@ export const spec = {
     return bidResponses;
   },
 
-  /**
-   * Register the user sync pixels which should be dropped after the auction.
-   *
-   * @param {SyncOptions} syncOptions Which user syncs are allowed?
-   * @param {ServerResponse[]} serverResponses List of server's responses.
-   * @param {gdprConsent} object GDPR consent object.
-   * @param {uspConsent} string US Privacy String.
-   * @return {UserSync[]} The user syncs which should be dropped.
-   */
-  getUserSyncs: function(syncOptions, serverResponses, gdprConsent, uspConsent) {
-    const syncs = [];
-    if (syncOptions.iframeEnabled && !hasOptedOutOfPersonalization()) {
-      let params = [];
-
-      if (gdprConsent && (typeof gdprConsent.gdprApplies === 'boolean')) {
-        params.push(`gdpr_applies=${gdprConsent.gdprApplies ? '1' : '0'}`);
-      }
-      if (gdprConsent && (typeof gdprConsent.consentString === 'string')) {
-        params.push(`gdpr_consent=${gdprConsent.consentString}`);
-      }
-      if (uspConsent && (typeof uspConsent === 'string')) {
-        params.push(`usp_consent=${uspConsent}`);
-      }
-
-      syncs.push({
-        type: 'iframe',
-        url: USER_SYNC_URL + (params.length > 0 ? `?${params.join('&')}` : '')
-      });
-    }
-    return syncs;
-  },
-
   /**
    * Register bidder specific code, which will execute if bidder timed out after an auction
    * @param {data} Containing timeout specific data
@@ -229,16 +204,24 @@ function hasOptedOutOfPersonalization() {
  * @param {BidderRequest} bidderRequest Object which contains any data consent signals
  */
 function consentAllowsPpid(bidderRequest) {
-  /* NOTE: We can't easily test GDPR consent, without the
-   * `consent-string` npm module; so will have to rely on that
-   * happening on the bid-server. */
-  const uspConsent = !(bidderRequest?.uspConsent === 'string' &&
+  let uspConsentAllows = true;
+
+  // if a us privacy string was provided, but they explicitly opted out
+  if (
+    typeof bidderRequest?.uspConsent === 'string' &&
     bidderRequest?.uspConsent[0] === '1' &&
-    bidderRequest?.uspConsent[2].toUpperCase() === 'Y');
+    bidderRequest?.uspConsent[2].toUpperCase() === 'Y' // user has opted-out
+  ) {
+    uspConsentAllows = false;
+  }
 
-  const gdprConsent = bidderRequest?.gdprConsent && hasPurpose1Consent(bidderRequest?.gdprConsent);
+  /*
+   * True if the gdprConsent is null-y; or GDPR does not apply; or if purpose 1 consent was given.
+   * Much more nuanced GDPR requirements are tested on the bid server using the @iabtcf/core npm module;
+   */
+  const gdprConsentAllows = hasPurpose1Consent(bidderRequest?.gdprConsent);
 
-  return (uspConsent || gdprConsent);
+  return (uspConsentAllows && gdprConsentAllows);
 }
 
 function collectEid(eids, bid) {

test/spec/modules/concertBidAdapter_spec.js

@@ -57,8 +57,9 @@ describe('ConcertAdapter', function () {
       refererInfo: {
         page: 'https://www.google.com'
       },
-      uspConsent: '1YYY',
-      gdprConsent: {}
+      uspConsent: '1YN-',
+      gdprConsent: {},
+      gppConsent: {}
     };
 
     bidResponse = {
@@ -111,7 +112,7 @@ describe('ConcertAdapter', function () {
       expect(payload).to.have.property('meta');
       expect(payload).to.have.property('slots');
 
-      const metaRequiredFields = ['prebidVersion', 'pageUrl', 'screen', 'debug', 'uid', 'optedOut', 'adapterVersion', 'uspConsent', 'gdprConsent'];
+      const metaRequiredFields = ['prebidVersion', 'pageUrl', 'screen', 'debug', 'uid', 'optedOut', 'adapterVersion', 'uspConsent', 'gdprConsent', 'gppConsent'];
       const slotsRequiredFields = ['name', 'bidId', 'transactionId', 'sizes', 'partnerId', 'slotType'];
 
       metaRequiredFields.forEach(function(field) {
@@ -138,6 +139,14 @@ describe('ConcertAdapter', function () {
       expect(payload.meta.uid).to.not.equal(false);
     });
 
+    it('should not generate uid if USP consent disallows', function() {
+      storage.removeDataFromLocalStorage('c_nap');
+      const request = spec.buildRequests(bidRequests, { ...bidRequest, uspConsent: '1YY' });
+      const payload = JSON.parse(request.data);
+
+      expect(payload.meta.uid).to.equal(false);
+    });
+
     it('should use sharedid if it exists', function() {
       storage.removeDataFromLocalStorage('c_nap');
       const request = spec.buildRequests(bidRequests, {
@@ -213,82 +222,4 @@ describe('ConcertAdapter', function () {
       expect(bids).to.have.lengthOf(0);
     });
   });
-
-  describe('spec.getUserSyncs', function() {
-    it('should not register syncs when iframe is not enabled', function() {
-      const opts = {
-        iframeEnabled: false
-      }
-      const sync = spec.getUserSyncs(opts, [], bidRequest.gdprConsent, bidRequest.uspConsent);
-      expect(sync).to.have.lengthOf(0);
-    });
-
-    it('should not register syncs when the user has opted out', function() {
-      const opts = {
-        iframeEnabled: true
-      };
-      storage.setDataInLocalStorage('c_nap', 'true');
-
-      const sync = spec.getUserSyncs(opts, [], bidRequest.gdprConsent, bidRequest.uspConsent);
-      expect(sync).to.have.lengthOf(0);
-    });
-
-    it('should set gdprApplies flag to 1 if the user is in area where GDPR applies', function() {
-      const opts = {
-        iframeEnabled: true
-      };
-      storage.removeDataFromLocalStorage('c_nap');
-
-      bidRequest.gdprConsent = {
-        gdprApplies: true
-      };
-
-      const sync = spec.getUserSyncs(opts, [], bidRequest.gdprConsent, bidRequest.uspConsent);
-      expect(sync[0].url).to.have.string('gdpr_applies=1');
-    });
-
-    it('should set gdprApplies flag to 1 if the user is in area where GDPR applies', function() {
-      const opts = {
-        iframeEnabled: true
-      };
-      storage.removeDataFromLocalStorage('c_nap');
-
-      bidRequest.gdprConsent = {
-        gdprApplies: false
-      };
-
-      const sync = spec.getUserSyncs(opts, [], bidRequest.gdprConsent, bidRequest.uspConsent);
-      expect(sync[0].url).to.have.string('gdpr_applies=0');
-    });
-
-    it('should set gdpr consent param with the user\'s choices on consent', function() {
-      const opts = {
-        iframeEnabled: true
-      };
-      storage.removeDataFromLocalStorage('c_nap');
-
-      bidRequest.gdprConsent = {
-        gdprApplies: false,
-        consentString: 'BOJ/P2HOJ/P2HABABMAAAAAZ+A=='
-      };
-
-      const sync = spec.getUserSyncs(opts, [], bidRequest.gdprConsent, bidRequest.uspConsent);
-      expect(sync[0].url).to.have.string('gdpr_consent=BOJ/P2HOJ/P2HABABMAAAAAZ+A==');
-    });
-
-    it('should set ccpa consent param with the user\'s choices on consent', function() {
-      const opts = {
-        iframeEnabled: true
-      };
-      storage.removeDataFromLocalStorage('c_nap');
-
-      bidRequest.gdprConsent = {
-        gdprApplies: false,
-        uspConsent: '1YYY'
-      };
-
-      const sync = spec.getUserSyncs(opts, [], bidRequest.gdprConsent, bidRequest.uspConsent);
-      expect(sync[0].url).to.have.string('usp_consent=1YY');
-    });
-  });
 });