Rubicon Bid Adapter: Provide backwards compatibility for transparency…

… object (prebid#11426) * Provide backwards compatibility for transparency object When the property `transparency.params` gets passed in the `ortb2` object, the Rubicon adapter throws an error. This change will provide backwards compatibility for the `params` property by adding it to the `dsaparams` property. If `params` or `dsaparams` does not exist, the value will be turned into an empty string. The same is done for the `domain` property. This ensures that the Bid Adapter will not error if these properties do not exist. * Refactor RubiconBidAdapter to fix transparency object compatibility * Fix transparency object compatibility in RubiconBidAdapter * Fix transparency object compatibility in RubiconBidAdapter * Refactor dsatransparency check --------- Co-authored-by: Harry King-Riches <[email protected]>
adhese · May 21, 2024 · 53816ab · 53816ab
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diff --git a/modules/rubiconBidAdapter.js b/modules/rubiconBidAdapter.js
@@ -982,11 +982,25 @@ function applyFPD(bidRequest, mediaType, data) {
         'transparency', (transparency) => {
           if (Array.isArray(transparency) && transparency.length) {
             data['dsatransparency'] = transparency.reduce((param, transp) => {
+              // make sure domain is there, otherwise skip entry
+              const domain = transp.domain || '';
+              if (!domain) {
+                return param;
+              }
+
+              // make sure dsaParam array is there (try both 'dsaparams' and 'params', but prefer dsaparams)
+              const dsaParamArray = transp.dsaparams || transp.params;
+              if (!Array.isArray(dsaParamArray) || dsaParamArray.length === 0) {
+                return param;
+              }
+
+              // finally we will add this one, if param has been added already, add our seperator
               if (param) {
                 param += '~~'
               }
-              return param += `${transp.domain}~${transp.dsaparams.join('_')}`
-            }, '')
+
+              return param += `${domain}~${dsaParamArray.join('_')}`;
+            }, '');
           }
         }
       ])

diff --git a/test/spec/modules/rubiconBidAdapter_spec.js b/test/spec/modules/rubiconBidAdapter_spec.js
@@ -1735,6 +1735,64 @@ describe('the rubicon adapter', function () {
                 }
               }
             }
+            it('should send valid dsaparams but filter out invalid ones', function () {
+              const ortb2Clone = JSON.parse(JSON.stringify(ortb2));
+              ortb2Clone.regs.ext.dsa.transparency = [
+                {
+                  domain: 'testdomain.com',
+                  dsaparams: [1],
+                },
+                {
+                  domain: '',
+                  dsaparams: [2],
+                }
+              ];
+
+              const expectedTransparency = 'testdomain.com~1';
+              const [request] = spec.buildRequests(bidderRequest.bids.map((b) => ({ ...b, ortb2: ortb2Clone })), bidderRequest);
+              const data = parseQuery(request.data);
+
+              expect(data['dsatransparency']).to.equal(expectedTransparency);
+            })
+            it('should send dsaparams if \"ortb2.regs.ext.dsa.transparancy[0].params\"', function() {
+              const ortb2Clone = JSON.parse(JSON.stringify(ortb2));
+
+              ortb2Clone.regs.ext.dsa.transparency = [{
+                domain: 'testdomain.com',
+                dsaparams: [1],
+              }];
+
+              const expectedTransparency = 'testdomain.com~1';
+              const [request] = spec.buildRequests(bidderRequest.bids.map((b) => ({...b, ortb2: ortb2Clone})), bidderRequest);
+              const data = parseQuery(request.data);
+
+              expect(data['dsatransparency']).to.equal(expectedTransparency);
+            })
+            it('should pass an empty transparency param if \"ortb2.regs.ext.dsa.transparency[0].params\" is empty', function() {
+              const ortb2Clone = JSON.parse(JSON.stringify(ortb2));
+
+              ortb2Clone.regs.ext.dsa.transparency = [{
+                domain: 'testdomain.com',
+                params: [],
+              }];
+
+              const [request] = spec.buildRequests(bidderRequest.bids.map((b) => ({...b, ortb2: ortb2Clone})), bidderRequest);
+              const data = parseQuery(request.data);
+              expect(data['dsatransparency']).to.be.undefined
+            })
+            it('should send an empty transparency if \"ortb2.regs.ext.dsa.transparency[0].domain\" is empty', function() {
+              const ortb2Clone = JSON.parse(JSON.stringify(ortb2));
+
+              ortb2Clone.regs.ext.dsa.transparency = [{
+                domain: '',
+                dsaparams: [1],
+              }];
+
+              const [request] = spec.buildRequests(bidderRequest.bids.map((b) => ({...b, ortb2: ortb2Clone})), bidderRequest);
+              const data = parseQuery(request.data);
+
+              expect(data['dsatransparency']).to.be.undefined
+            })
             it('should send dsa signals if \"ortb2.regs.ext.dsa\"', function() {
               const expectedTransparency = 'testdomain.com~1~~testdomain2.com~1_2'
               const [request] = spec.buildRequests(bidderRequest.bids.map((b) => ({...b, ortb2})), bidderRequest)