tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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fetch-event-within-sw.https.html (1990B)


      1 <!DOCTYPE html>
      2 <meta name="timeout" content="long">
      3 <script src="/resources/testharness.js"></script>
      4 <script src="/resources/testharnessreport.js"></script>
      5 <script src="resources/test-helpers.sub.js"></script>
      6 
      7 <script>
      8 const worker = 'resources/fetch-event-within-sw-worker.js';
      9 
     10 async function registerSwAndOpenFrame(t) {
     11  const registration = await navigator.serviceWorker.register(
     12      worker, { scope: 'resources/' });
     13  t.add_cleanup(() => registration.unregister());
     14  await wait_for_state(t, registration.installing, 'activated');
     15 
     16  const frame = await with_iframe('resources/simple.html');
     17  t.add_cleanup(() => frame.remove());
     18  return frame;
     19 }
     20 
     21 async function deleteCaches() {
     22  const cacheKeys = await caches.keys();
     23  await Promise.all(cacheKeys.map(c => caches.delete(c)));
     24 }
     25 
     26 promise_test(async t => {
     27  t.add_cleanup(deleteCaches);
     28 
     29  const iframe = await registerSwAndOpenFrame(t);
     30  const fetchText =
     31      await iframe.contentWindow.fetch('sample.txt').then(r => r.text());
     32 
     33  const cache = await iframe.contentWindow.caches.open('test');
     34  await cache.add('sample.txt');
     35 
     36  const response = await cache.match('sample.txt');
     37  const cacheText = await (response ? response.text() : 'cache match failed');
     38  assert_equals(fetchText, 'intercepted', 'fetch intercepted');
     39  assert_equals(cacheText, 'intercepted', 'cache.add intercepted');
     40 }, 'Service worker intercepts requests from window');
     41 
     42 promise_test(async t => {
     43  const iframe = await registerSwAndOpenFrame(t);
     44  const [fetchText, cacheText] = await Promise.all([
     45    iframe.contentWindow.fetch('sample.txt-inner-fetch').then(r => r.text()),
     46    iframe.contentWindow.fetch('sample.txt-inner-cache').then(r => r.text())
     47  ]);
     48  assert_equals(fetchText, 'Hello world\n', 'fetch within SW not intercepted');
     49  assert_equals(cacheText, 'Hello world\n',
     50                'cache.add within SW not intercepted');
     51 }, 'Service worker does not intercept fetch/cache requests within service ' +
     52   'worker');
     53 </script>