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/* import-globals-from storageAccessAPIHelpers.js */
// This test ensures that a service worker for an exempted domain is exempted when it is
// in the first party context, and not exempted when it is in a third party context.
PartitionedStorageHelper.runTest(
"ServiceWorkers - Check that RFP correctly is exempted and not exempted when FPI is enabled",
async (win3rdParty, win1stParty, allowed) => {
// 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.firstParty.isolate", false],
["privacy.resistFingerprinting", false],
],
});
var SPOOFED_HW_CONCURRENCY = 2;
var DEFAULT_HARDWARE_CONCURRENCY = navigator.hardwareConcurrency;
await SpecialPowers.popPrefEnv();
// Register service worker for the first-party window.
if (!win1stParty.sw) {
win1stParty.sw = await registerServiceWorker(
win1stParty,
"serviceWorker.js"
);
}
// Register service worker for the third-party window.
if (!win3rdParty.sw) {
win3rdParty.sw = await registerServiceWorker(
win3rdParty,
"serviceWorker.js"
);
}
// Check DOM cache from the first-party service worker.
let res = await sendAndWaitWorkerMessage(
win1stParty.sw,
win1stParty.navigator.serviceWorker,
{ type: "GetHWConcurrency" }
);
console.info(
"First Party, got: " +
res.value +
" Expected: " +
DEFAULT_HARDWARE_CONCURRENCY
);
is(
res.value,
DEFAULT_HARDWARE_CONCURRENCY,
"As a first party, HW Concurrency should not be spoofed"
);
// Check DOM cache from the third-party service worker.
res = await sendAndWaitWorkerMessage(
win3rdParty.sw,
win3rdParty.navigator.serviceWorker,
{ type: "GetHWConcurrency" }
);
console.info(
"Third Party, got: " + res.value + " Expected: " + SPOOFED_HW_CONCURRENCY
);
is(
res.value,
SPOOFED_HW_CONCURRENCY,
"As a third party, HW Concurrency should be spoofed"
);
},
async _ => {
await new Promise(resolve => {
Services.clearData.deleteData(Ci.nsIClearDataService.CLEAR_ALL, value =>
resolve()
);
});
},
[
["dom.serviceWorkers.exemptFromPerDomainMax", true],
["dom.ipc.processCount", 1],
["dom.serviceWorkers.enabled", true],
["dom.serviceWorkers.testing.enabled", true],
["privacy.firstParty.isolate", true],
["privacy.resistFingerprinting", true],
["privacy.resistFingerprinting.exemptedDomains", "*.example.com"],
]
);
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