tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_hwconcurrency_popups.js (3730B)

      1 /**
      2 * This test tests values in a popup, it does not test them on the page that made the popup
      3 *
      4 * Covers the following cases:
      5 *  - RFP is disabled entirely
      6 *  - RFP is enabled entirely
      7 *  - FPP is enabled entirely
      8 
      9 *
     10 *  - (A) RFP is exempted on the maker and popup
     11 *  - (C) RFP is exempted on the maker but not the popup
     12 *  - (E) RFP is not exempted on the maker nor the popup
     13 *  - (G) RFP is not exempted on the maker but is on the popup
     14 *
     15 */
     16 
     17 "use strict";
     18 
     19 const SPOOFED_HW_CONCURRENCY =
     20  SpecialPowers.Services.appinfo.OS == "Darwin" ? 8 : 4;
     21 
     22 const DEFAULT_HARDWARE_CONCURRENCY = navigator.hardwareConcurrency;
     23 
     24 // =============================================================================================
     25 // =============================================================================================
     26 
     27 async function testHWConcurrency(result, expectedResults, extraData) {
     28  let testDesc = extraData.testDesc;
     29 
     30  is(
     31    result.hardwareConcurrency,
     32    expectedResults.hardwareConcurrency,
     33    `Checking ${testDesc} navigator.hardwareConcurrency.`
     34  );
     35 }
     36 
     37 add_setup(async function () {
     38  await SpecialPowers.pushPrefEnv({
     39    set: [
     40      ["privacy.fingerprintingProtection.overrides", "+NavigatorHWConcurrency"],
     41    ],
     42  });
     43  registerCleanupFunction(async function () {
     44    Services.prefs.clearUserPref(
     45      "privacy.trackingprotection.allow_list.hasUserInteractedWithETPSettings"
     46    );
     47  });
     48 });
     49 
     50 // The following are convenience objects that allow you to quickly see what is
     51 //   and is not modified from a logical set of values.
     52 // Be sure to always use `let expectedResults = structuredClone(allNotSpoofed)` to do a
     53 //   deep copy and avoiding corrupting the original 'const' object
     54 const allNotSpoofed = {
     55  hardwareConcurrency: DEFAULT_HARDWARE_CONCURRENCY,
     56 };
     57 const allSpoofed = {
     58  hardwareConcurrency: SPOOFED_HW_CONCURRENCY,
     59 };
     60 
     61 const uri = `https://${FRAMER_DOMAIN}/browser/browser/components/resistfingerprinting/test/browser/file_hwconcurrency_iframer.html?mode=popup`;
     62 
     63 requestLongerTimeout(2);
     64 
     65 let expectedResults = {};
     66 
     67 expectedResults = structuredClone(allNotSpoofed);
     68 add_task(defaultsTest.bind(null, uri, testHWConcurrency, expectedResults));
     69 
     70 expectedResults = structuredClone(allSpoofed);
     71 add_task(simpleRFPTest.bind(null, uri, testHWConcurrency, expectedResults));
     72 
     73 // Test a private window with RFP enabled in PBMode
     74 expectedResults = structuredClone(allSpoofed);
     75 add_task(simplePBMRFPTest.bind(null, uri, testHWConcurrency, expectedResults));
     76 
     77 expectedResults = structuredClone(allSpoofed);
     78 add_task(simpleFPPTest.bind(null, uri, testHWConcurrency, expectedResults));
     79 
     80 // Test a Private Window with FPP Enabled in PBM
     81 expectedResults = structuredClone(allSpoofed);
     82 add_task(simplePBMFPPTest.bind(null, uri, testHWConcurrency, expectedResults));
     83 
     84 // (A) RFP is exempted on the maker and popup
     85 expectedResults = structuredClone(allNotSpoofed);
     86 add_task(testA.bind(null, uri, testHWConcurrency, expectedResults));
     87 
     88 // (C) RFP is exempted on the maker but not the popup
     89 expectedResults = structuredClone(allSpoofed);
     90 add_task(testC.bind(null, uri, testHWConcurrency, expectedResults));
     91 
     92 // (E) RFP is not exempted on the maker nor the popup
     93 expectedResults = structuredClone(allSpoofed);
     94 add_task(testE.bind(null, uri, testHWConcurrency, expectedResults));
     95 
     96 // (G) RFP is not exempted on the maker but is on the popup
     97 expectedResults = structuredClone(allSpoofed);
     98 add_task(testG.bind(null, uri, testHWConcurrency, expectedResults));
     99 
    100 // Test RFP Enabled in PBM and FPP enabled in Normal Browsing Mode
    101 expectedResults = structuredClone(allNotSpoofed);
    102 add_task(
    103  RFPPBMFPP_NormalMode_NoProtectionsTest.bind(
    104    null,
    105    uri,
    106    testHWConcurrency,
    107    expectedResults
    108  )
    109 );