tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

browser_hwconcurrency_etp_iframes.js (3767B)

      1 /**
      2 * This test only tests values in the iframe, it does not test them on the framer
      3 *
      4 * Covers the following cases:
      5 *  - RFP is disabled entirely
      6 *  - RFP is enabled entirely in normal and PBM
      7 *  - FPP is enabled entirely in normal and PBM
      8 *
      9 */
     10 
     11 "use strict";
     12 
     13 const SPOOFED_HW_CONCURRENCY =
     14  SpecialPowers.Services.appinfo.OS == "Darwin" ? 8 : 4;
     15 
     16 const DEFAULT_HARDWARE_CONCURRENCY = navigator.hardwareConcurrency;
     17 
     18 // =============================================================================================
     19 // =============================================================================================
     20 
     21 async function testHWConcurrency(result, expectedResults, extraData) {
     22  let testDesc = extraData.testDesc;
     23 
     24  is(
     25    result.hardwareConcurrency,
     26    expectedResults.hardwareConcurrency,
     27    `Checking ${testDesc} navigator.hardwareConcurrency.`
     28  );
     29 }
     30 
     31 add_setup(async function () {
     32  await SpecialPowers.pushPrefEnv({
     33    set: [
     34      ["privacy.fingerprintingProtection.overrides", "+NavigatorHWConcurrency"],
     35    ],
     36  });
     37  registerCleanupFunction(async function () {
     38    Services.prefs.clearUserPref(
     39      "privacy.trackingprotection.allow_list.hasUserInteractedWithETPSettings"
     40    );
     41  });
     42 });
     43 
     44 // The following are convenience objects that allow you to quickly see what is
     45 //   and is not modified from a logical set of values.
     46 // Be sure to always use `let expectedResults = structuredClone(allNotSpoofed)` to do a
     47 //   deep copy and avoiding corrupting the original 'const' object
     48 const allNotSpoofed = {
     49  hardwareConcurrency: DEFAULT_HARDWARE_CONCURRENCY,
     50 };
     51 const allSpoofed = {
     52  hardwareConcurrency: SPOOFED_HW_CONCURRENCY,
     53 };
     54 
     55 const uri = `https://${FRAMER_DOMAIN}/browser/browser/components/resistfingerprinting/test/browser/file_hwconcurrency_iframer.html?mode=iframe`;
     56 
     57 requestLongerTimeout(2);
     58 
     59 let extraData = {
     60  etp_reload: true,
     61 };
     62 
     63 let expectedResults = {};
     64 
     65 expectedResults = structuredClone(allNotSpoofed);
     66 add_task(
     67  defaultsTest.bind(null, uri, testHWConcurrency, expectedResults, extraData)
     68 );
     69 
     70 // The ETP toggle _does not_ override RFP, only FPP.
     71 expectedResults = structuredClone(allSpoofed);
     72 add_task(
     73  simpleRFPTest.bind(null, uri, testHWConcurrency, expectedResults, extraData)
     74 );
     75 
     76 expectedResults = structuredClone(allSpoofed);
     77 add_task(
     78  simplePBMRFPTest.bind(
     79    null,
     80    uri,
     81    testHWConcurrency,
     82    expectedResults,
     83    extraData
     84  )
     85 );
     86 
     87 expectedResults = structuredClone(allNotSpoofed);
     88 add_task(
     89  simpleFPPTest.bind(null, uri, testHWConcurrency, expectedResults, extraData)
     90 );
     91 
     92 expectedResults = structuredClone(allNotSpoofed);
     93 add_task(
     94  simplePBMFPPTest.bind(
     95    null,
     96    uri,
     97    testHWConcurrency,
     98    expectedResults,
     99    extraData
    100  )
    101 );
    102 
    103 // These test cases exercise the unusual configuration of RFP enabled in PBM and FPP enabled
    104 // in normal browsing mode.
    105 let extraPrefs = [
    106  ["privacy.resistFingerprinting.pbmode", true],
    107  ["privacy.fingerprintingProtection", true],
    108  ["privacy.fingerprintingProtection.overrides", "+NavigatorHWConcurrency"],
    109 ];
    110 
    111 let this_extraData = structuredClone(extraData);
    112 this_extraData.testDesc =
    113  "RFP enabled in PBM, FPP enabled globally, testing in normal browsing mode";
    114 expectedResults = allNotSpoofed;
    115 add_task(
    116  defaultsTest.bind(
    117    null,
    118    uri,
    119    testHWConcurrency,
    120    structuredClone(expectedResults),
    121    this_extraData,
    122    structuredClone(extraPrefs)
    123  )
    124 );
    125 
    126 this_extraData = structuredClone(extraData);
    127 this_extraData.testDesc =
    128  "RFP enabled in PBM, FPP enabled globally, testing in PBM";
    129 this_extraData.private_window = true;
    130 expectedResults = allSpoofed;
    131 add_task(
    132  defaultsTest.bind(
    133    null,
    134    uri,
    135    testHWConcurrency,
    136    structuredClone(expectedResults),
    137    this_extraData,
    138    structuredClone(extraPrefs)
    139  )
    140 );