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<!DOCTYPE html>
<title>Service Worker: check referrer of top-level script fetch</title>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script src="resources/test-helpers.sub.js?pipe=sub"></script>
<script>
async function get_toplevel_script_headers(worker) {
worker.postMessage("getHeaders");
return new Promise((resolve) => {
navigator.serviceWorker.onmessage = (event) => {
resolve(event.data);
};
});
}
promise_test(async (t) => {
const script = "resources/test-request-headers-worker.py";
const scope = "resources/blank.html";
const host_info = get_host_info();
const registration = await service_worker_unregister_and_register(
t, script, scope);
t.add_cleanup(() => service_worker_unregister(t, scope));
await wait_for_state(t, registration.installing, "activated");
const expected_referrer = host_info["HTTPS_ORIGIN"] + location.pathname;
// Check referrer for register().
const register_headers = await get_toplevel_script_headers(registration.active);
assert_equals(register_headers["referer"], expected_referrer, "referrer of register()");
// Check referrer for update().
await registration.update();
await wait_for_state(t, registration.installing, "installed");
const update_headers = await get_toplevel_script_headers(registration.waiting);
assert_equals(update_headers["referer"], expected_referrer, "referrer of update()");
}, "Referrer of the top-level script fetch should be the document URL");
promise_test(async (t) => {
const script = "resources/test-request-headers-worker.py";
const scope = "resources/blank.html";
const host_info = get_host_info();
const registration = await service_worker_unregister_and_register(
t, script, scope, {type: 'module'});
t.add_cleanup(() => service_worker_unregister(t, scope));
await wait_for_state(t, registration.installing, "activated");
const expected_referrer = host_info["HTTPS_ORIGIN"] + location.pathname;
// Check referrer for register().
const register_headers = await get_toplevel_script_headers(registration.active);
assert_equals(register_headers["referer"], expected_referrer, "referrer of register()");
// Check referrer for update().
await registration.update();
await wait_for_state(t, registration.installing, "installed");
const update_headers = await get_toplevel_script_headers(registration.waiting);
assert_equals(update_headers["referer"], expected_referrer, "referrer of update()");
}, "Referrer of the module script fetch should be the document URL");
</script>
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