File: cross-origin-serviceworker-iframe.sub.html

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<!DOCTYPE html>
<meta charset="utf-8">
<title>Notification cross origin iframe with service worker</title>
<body>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="helpers.js"></script>
<script type="module">
const firstPartyOrigin = 'https://{{hosts[][]}}:{{ports[https][0]}}';

// As our service worker cannot directly ping the first party window,
// let's be a proxy here.
navigator.serviceWorker.addEventListener("message", ev => {
  window.top.postMessage(ev.data, firstPartyOrigin);
});

// Grant the permission so that we can confirm the permission being denied
// regardless of the actual permission status.
test_driver.set_test_context(window.top);
await test_driver.set_permission({ name: "notifications" }, "granted");

await unregisterAllServiceWorker();
const registration = await navigator.serviceWorker.register("permission-sw.js");
</script>