From a6fc47ed11a94492fb9a5cac064cbc33d84614d9 Mon Sep 17 00:00:00 2001
From: Eyvaz <62054743+eyvazahmadzada@users.noreply.github.com>
Date: Thu, 5 Sep 2024 23:34:07 +0200
Subject: [PATCH] Intentiq Analytics: Referrer Info Update (#12155)

* improve referrer for more accurate reporting

* add unit tests
---
 modules/intentIqAnalyticsAdapter.js           | 13 +++++--
 .../modules/intentIqAnalyticsAdapter_spec.js  | 36 +++++++++++++++++++
 2 files changed, 47 insertions(+), 2 deletions(-)

diff --git a/modules/intentIqAnalyticsAdapter.js b/modules/intentIqAnalyticsAdapter.js
index fbb74bee9c8..3f05d91550f 100644
--- a/modules/intentIqAnalyticsAdapter.js
+++ b/modules/intentIqAnalyticsAdapter.js
@@ -1,4 +1,4 @@
-import { logInfo, logError } from '../src/utils.js';
+import { logInfo, logError, getWindowSelf, getWindowTop, getWindowLocation } from '../src/utils.js';
 import adapter from '../libraries/analyticsAdapter/AnalyticsAdapter.js';
 import adapterManager from '../src/adapterManager.js';
 import { ajax } from '../src/ajax.js';
@@ -229,7 +229,16 @@ function constructFullUrl(data) {
 }
 
 export function getReferrer() {
-  return document.referrer;
+  try {
+    if (getWindowSelf() === getWindowTop()) {
+      return getWindowLocation().href;
+    } else {
+      return getWindowTop().location.href;
+    }
+  } catch (error) {
+    logError(`Error accessing location: ${error}`);
+    return '';
+  }
 }
 
 iiqAnalyticsAnalyticsAdapter.originEnableAnalytics = iiqAnalyticsAnalyticsAdapter.enableAnalytics;
diff --git a/test/spec/modules/intentIqAnalyticsAdapter_spec.js b/test/spec/modules/intentIqAnalyticsAdapter_spec.js
index 25421ae0e69..6c9a0fb9e79 100644
--- a/test/spec/modules/intentIqAnalyticsAdapter_spec.js
+++ b/test/spec/modules/intentIqAnalyticsAdapter_spec.js
@@ -68,6 +68,9 @@ let wonRequest = {
 
 describe('IntentIQ tests all', function () {
   let logErrorStub;
+  let getWindowSelfStub;
+  let getWindowTopStub;
+  let getWindowLocationStub;
   let detectBrowserStub;
 
   beforeEach(function () {
@@ -96,6 +99,9 @@ describe('IntentIQ tests all', function () {
 
   afterEach(function () {
     logErrorStub.restore();
+    if (getWindowSelfStub) getWindowSelfStub.restore();
+    if (getWindowTopStub) getWindowTopStub.restore();
+    if (getWindowLocationStub) getWindowLocationStub.restore();
     if (detectBrowserStub) detectBrowserStub.restore();
     config.getConfig.restore();
     events.getEvents.restore();
@@ -176,6 +182,36 @@ describe('IntentIQ tests all', function () {
     expect(iiqAnalyticsAnalyticsAdapter.initOptions.fpid).to.be.not.null;
   });
 
+  it('should return window.location.href when window.self === window.top', function () {
+    // Stub helper functions
+    getWindowSelfStub = sinon.stub(utils, 'getWindowSelf').returns(window);
+    getWindowTopStub = sinon.stub(utils, 'getWindowTop').returns(window);
+    getWindowLocationStub = sinon.stub(utils, 'getWindowLocation').returns({ href: 'http://localhost:9876/' });
+
+    const referrer = getReferrer();
+    expect(referrer).to.equal('http://localhost:9876/');
+  });
+
+  it('should return window.top.location.href when window.self !== window.top and access is successful', function () {
+    // Stub helper functions to simulate iframe
+    getWindowSelfStub = sinon.stub(utils, 'getWindowSelf').returns({});
+    getWindowTopStub = sinon.stub(utils, 'getWindowTop').returns({ location: { href: 'http://example.com/' } });
+
+    const referrer = getReferrer();
+    expect(referrer).to.equal('http://example.com/');
+  });
+
+  it('should return an empty string and log an error when accessing window.top.location.href throws an error', function () {
+    // Stub helper functions to simulate error
+    getWindowSelfStub = sinon.stub(utils, 'getWindowSelf').returns({});
+    getWindowTopStub = sinon.stub(utils, 'getWindowTop').throws(new Error('Access denied'));
+
+    const referrer = getReferrer();
+    expect(referrer).to.equal('');
+    expect(logErrorStub.calledOnce).to.be.true;
+    expect(logErrorStub.firstCall.args[0]).to.contain('Error accessing location: Error: Access denied');
+  });
+
   it('should not send request if the browser is in blacklist (chrome)', function () {
     const USERID_CONFIG_BROWSER = [...USERID_CONFIG];
     USERID_CONFIG_BROWSER[0].params.browserBlackList = 'ChrOmE';