From b49f895b382188bcec4ddcd4018c80f0d4f08eed Mon Sep 17 00:00:00 2001
From: Jordi Arnau <jarnau@tappx.com>
Date: Mon, 6 Nov 2023 16:49:44 +0100
Subject: [PATCH] Fix: fixed site referrer for iframes using external sites
 error #13231

---
 modules/tappxBidAdapter.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/modules/tappxBidAdapter.js b/modules/tappxBidAdapter.js
index 531927114c8..90438f92e1b 100644
--- a/modules/tappxBidAdapter.js
+++ b/modules/tappxBidAdapter.js
@@ -276,7 +276,11 @@ function buildOneRequest(validBidRequests, bidderRequest) {
     site.name = bundle;
     site.page = bidderRequest?.refererInfo?.page || deepAccess(validBidRequests, 'params.site.page') || bidderRequest?.refererInfo?.topmostLocation || window.location.href || bundle;
     site.domain = bundle;
-    site.ref = bidderRequest?.refererInfo?.ref || window.top.document.referrer || '';
+    try {
+      site.ref = bidderRequest?.refererInfo?.ref || window.top.document.referrer || '';
+    } catch (e) {
+      site.ref = bidderRequest?.refererInfo?.ref || window.document.referrer || '';
+    }
     site.ext = {};
     site.ext.is_amp = bidderRequest?.refererInfo?.isAmp || 0;
     site.ext.page_da = deepAccess(validBidRequests, 'params.site.page') || '-';