tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_block_sync_xhr_system_requests.js (933B)

      1 /* Any copyright is dedicated to the Public Domain.
      2 * http://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 add_task(async function test_block_sync_xhr_requests() {
      5  await SpecialPowers.pushPrefEnv({
      6    set: [["network.xhr.block_sync_system_requests", true]],
      7  });
      8 
      9  Assert.throws(
     10    () => {
     11      let xhr = new XMLHttpRequest();
     12      // false means a synchronous request
     13      xhr.open("GET", "https://example.com", false);
     14      xhr.send();
     15    },
     16    /NetworkError/,
     17    "Sync XHR coming from system requests should be blocked"
     18  );
     19 });
     20 
     21 add_task(async function test_not_block_sync_xhr_requests() {
     22  await SpecialPowers.pushPrefEnv({
     23    set: [["network.xhr.block_sync_system_requests", false]],
     24  });
     25 
     26  let xhr = new XMLHttpRequest();
     27  xhr.open("GET", "https://example.com", false);
     28  xhr.send();
     29 
     30  is(
     31    xhr.status,
     32    200,
     33    "Sync XHR coming from system requests should be allowed when pref is false"
     34  );
     35 });