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Test Info:
/* Any copyright is dedicated to the Public Domain.
*/
/* import-globals-from testHelpers.js */
runTestInFirstAndThirdPartyContexts(
"ServiceWorkers - Ensure the fingerprinting WebCompat overrides the fingerprinting protection in third-party context.",
async win => {
let SPOOFED_HW_CONCURRENCY = 2;
// Register service worker for the first-party window.
if (!win.sw) {
win.sw = await registerServiceWorker(win, "serviceWorker.js");
}
// Check navigator HW concurrency from the first-party service worker.
let res = await sendAndWaitWorkerMessage(
win.sw,
win.navigator.serviceWorker,
{ type: "GetHWConcurrency" }
);
is(
res.value,
SPOOFED_HW_CONCURRENCY,
"HW Concurrency should be spoofed in the first-party context"
);
},
async win => {
// Quickly unset and reset these prefs so we can get the real navigator.hardwareConcurrency
// It can't be set externally and then captured because this function gets stringified and
// then evaled in a new scope.
await SpecialPowers.pushPrefEnv({
set: [["privacy.fingerprintingProtection", false]],
});
var DEFAULT_HARDWARE_CONCURRENCY = navigator.hardwareConcurrency;
await SpecialPowers.popPrefEnv();
// Register service worker for the third-party window.
if (!win.sw) {
win.sw = await registerServiceWorker(win, "serviceWorker.js");
}
// Check navigator HW concurrency from the third-party service worker.
let res = await sendAndWaitWorkerMessage(
win.sw,
win.navigator.serviceWorker,
{ type: "GetHWConcurrency" }
);
is(
res.value,
DEFAULT_HARDWARE_CONCURRENCY,
"HW Concurrency should not be spoofed in the third-party context"
);
},
async _ => {
await new Promise(resolve => {
Services.clearData.deleteData(Ci.nsIClearDataService.CLEAR_ALL, () =>
resolve()
);
});
},
[
["dom.serviceWorkers.exemptFromPerDomainMax", true],
["dom.ipc.processCount", 1],
["dom.serviceWorkers.enabled", true],
["dom.serviceWorkers.testing.enabled", true],
["privacy.fingerprintingProtection", true],
["privacy.fingerprintingProtection.overrides", "+NavigatorHWConcurrency"],
[
"privacy.fingerprintingProtection.granularOverrides",
JSON.stringify([
{
id: "1",
last_modified: 1000000000000001,
overrides: "-NavigatorHWConcurrency",
firstPartyDomain: "example.net",
thirdPartyDomain: "example.com",
},
]),
],
]
);
runTestInFirstAndThirdPartyContexts(
"ServiceWorkers - Ensure the fingerprinting WebCompat overrides the fingerprinting protection in third-party context with FPI enabled.",
async win => {
let SPOOFED_HW_CONCURRENCY = 2;
// Register service worker for the first-party window.
if (!win.sw) {
win.sw = await registerServiceWorker(win, "serviceWorker.js");
}
// Check navigator HW concurrency from the first-party service worker.
let res = await sendAndWaitWorkerMessage(
win.sw,
win.navigator.serviceWorker,
{ type: "GetHWConcurrency" }
);
is(
res.value,
SPOOFED_HW_CONCURRENCY,
"HW Concurrency should be spoofed in the first-party context"
);
},
async win => {
// Quickly unset and reset these prefs so we can get the real navigator.hardwareConcurrency
// It can't be set enternally and then captured because this function gets stringified and
// then evaled in a new scope.
await SpecialPowers.pushPrefEnv({
set: [["privacy.fingerprintingProtection", false]],
});
var DEFAULT_HARDWARE_CONCURRENCY = navigator.hardwareConcurrency;
await SpecialPowers.popPrefEnv();
// Register service worker for the third-party window.
if (!win.sw) {
win.sw = await registerServiceWorker(win, "serviceWorker.js");
}
// Check navigator HW concurrency from the third-party service worker.
let res = await sendAndWaitWorkerMessage(
win.sw,
win.navigator.serviceWorker,
{ type: "GetHWConcurrency" }
);
is(
res.value,
DEFAULT_HARDWARE_CONCURRENCY,
"HW Concurrency should not be spoofed in the third-party context"
);
},
async _ => {
await new Promise(resolve => {
Services.clearData.deleteData(Ci.nsIClearDataService.CLEAR_ALL, () =>
resolve()
);
});
},
[
["dom.serviceWorkers.exemptFromPerDomainMax", true],
["dom.ipc.processCount", 1],
["dom.serviceWorkers.enabled", true],
["dom.serviceWorkers.testing.enabled", true],
["privacy.firstparty.isolate", true],
["privacy.fingerprintingProtection", true],
["privacy.fingerprintingProtection.overrides", "+NavigatorHWConcurrency"],
[
"privacy.fingerprintingProtection.granularOverrides",
JSON.stringify([
{
id: "1",
last_modified: 1000000000000001,
overrides: "-NavigatorHWConcurrency",
firstPartyDomain: "example.net",
thirdPartyDomain: "example.com",
},
]),
],
]
);