From 0c10009088f2ffb579fd7ff400ddb91888796db4 Mon Sep 17 00:00:00 2001
From: jlquaccia <jlquaccia@gmail.com>
Date: Thu, 15 Feb 2024 13:17:05 -0800
Subject: [PATCH] PubMatic Bid Adapter: Support for DSA

---
 modules/pubmaticBidAdapter.js                | 10 +++++
 test/spec/modules/pubmaticBidAdapter_spec.js | 43 ++++++++++++++++++++
 2 files changed, 53 insertions(+)

diff --git a/modules/pubmaticBidAdapter.js b/modules/pubmaticBidAdapter.js
index 68431bcc383..f28feaa534d 100644
--- a/modules/pubmaticBidAdapter.js
+++ b/modules/pubmaticBidAdapter.js
@@ -1010,6 +1010,10 @@ export function prepareMetaObject(br, bid, seat) {
     br.meta.secondaryCatIds = bid.cat;
     br.meta.primaryCatId = bid.cat[0];
   }
+
+  if (bid.ext && bid.ext.dsa && Object.keys(bid.ext.dsa).length) {
+    br.meta.dsa = bid.ext.dsa;
+  }
 }
 
 export const spec = {
@@ -1217,6 +1221,11 @@ export const spec = {
       deepSetValue(payload, 'regs.coppa', 1);
     }
 
+    // dsa
+    if (bidderRequest?.ortb2?.regs?.ext?.dsa) {
+      deepSetValue(payload, 'regs.ext.dsa', bidderRequest.ortb2.regs.ext.dsa);
+    }
+
     _handleEids(payload, validBidRequests);
 
     // First Party Data
@@ -1396,6 +1405,7 @@ export const spec = {
     } catch (error) {
       logError(error);
     }
+
     return bidResponses;
   },
 
diff --git a/test/spec/modules/pubmaticBidAdapter_spec.js b/test/spec/modules/pubmaticBidAdapter_spec.js
index 5d59ff99a89..fda2c853e87 100644
--- a/test/spec/modules/pubmaticBidAdapter_spec.js
+++ b/test/spec/modules/pubmaticBidAdapter_spec.js
@@ -1781,6 +1781,37 @@ describe('PubMatic adapter', function () {
         expect(data2.regs).to.equal(undefined);// USP/CCPAs
       });
 
+      it('Request params should include DSA signals if present', function () {
+        const dsa = {
+          dsarequired: 3,
+          pubrender: 0,
+          datatopub: 2,
+          transparency: [
+            {
+              domain: 'platform1domain.com',
+              dsaparams: [1]
+            },
+            {
+              domain: 'SSP2domain.com',
+              dsaparams: [1, 2]
+            }
+          ]
+        };
+
+        let bidRequest = {
+		      ortb2: {
+            regs: {
+              ext: {
+                dsa
+              }
+            }
+          }
+        };
+        let request = spec.buildRequests(bidRequests, bidRequest);
+        let data = JSON.parse(request.data);
+        assert.deepEqual(data.regs.ext.dsa, dsa);
+      });
+
       it('Request params check with JW player params', function() {
         let bidRequests = [
           {
@@ -3753,6 +3784,16 @@ describe('PubMatic adapter', function () {
 
     describe('Preapare metadata', function () {
       it('Should copy all fields from ext to meta', function () {
+        const dsa = {
+          behalf: 'Advertiser',
+          paid: 'Advertiser',
+          transparency: [{
+            domain: 'dsp1domain.com',
+            dsaparams: [1, 2]
+          }],
+          adrender: 1
+        };
+
         const bid = {
           'adomain': [
             'mystartab.com'
@@ -3764,6 +3805,7 @@ describe('PubMatic adapter', function () {
             'deal_channel': 1,
             'bidtype': 0,
             advertiserId: 'adid',
+            dsa,
             // networkName: 'nwnm',
             // primaryCatId: 'pcid',
             // advertiserName: 'adnm',
@@ -3795,6 +3837,7 @@ describe('PubMatic adapter', function () {
         expect(br.meta.secondaryCatIds[0]).to.equal('IAB_CATEGORY');
         expect(br.meta.advertiserDomains).to.be.an('array').with.length.above(0); // adomain
         expect(br.meta.clickUrl).to.equal('mystartab.com'); // adomain
+        expect(br.meta.dsa).to.equal(dsa); // dsa
       });
 
       it('Should be empty, when ext and adomain is absent in bid object', function () {