change(tracker): fix iframe network handling

tracker/tracker/CHANGELOG.md

@@ -4,6 +4,7 @@
 - remove useless logs
 - added gzip compression to large messages
 - tune mouse thrashing detection
+- fix iframe handling
 
 # 6.0.0
 

tracker/tracker/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@openreplay/tracker",
   "description": "The OpenReplay tracker main package",
-  "version": "6.0.1",
+  "version": "6.0.1-beta.1",
   "keywords": [
     "logging",
     "replay"

tracker/tracker/src/main/app/observer/top_observer.ts

@@ -8,7 +8,7 @@ import IFrameOffsets, { Offset } from './iframe_offsets.js'
 
 import { CreateDocument } from '../messages.gen.js'
 import App from '../index.js'
-import { IN_BROWSER, hasOpenreplayAttribute } from '../../utils.js'
+import { IN_BROWSER, hasOpenreplayAttribute, canAccessIframe } from '../../utils.js'
 
 export interface Options {
   captureIFrames: boolean
@@ -75,6 +75,7 @@ export default class TopObserver extends Observer {
           //log
           return
         }
+        if (!canAccessIframe(iframe)) return
         const currentWin = iframe.contentWindow
         const currentDoc = iframe.contentDocument
         if (currentDoc && currentDoc !== doc) {

tracker/tracker/src/main/utils.ts

@@ -81,3 +81,19 @@ export function hasOpenreplayAttribute(e: Element, attr: string): boolean {
 
   return false
 }
+
+export function isIframeCrossdomain(e: HTMLIFrameElement): boolean {
+  try {
+    return e.contentWindow?.location.href !== window.location.href
+  } catch (e) {
+    return true
+  }
+}
+
+export function canAccessIframe(iframe: HTMLIFrameElement) {
+  try {
+    return Boolean(iframe.contentDocument)
+  } catch (e) {
+    return false
+  }
+}