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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
let bounceTrackingProtection;
add_setup(async function () {
await SpecialPowers.pushPrefEnv({
set: [
["privacy.bounceTrackingProtection.requireStatefulBounces", true],
["privacy.bounceTrackingProtection.bounceTrackingGracePeriodSec", 0],
],
});
bounceTrackingProtection = Cc[
"@mozilla.org/bounce-tracking-protection;1"
].getService(Ci.nsIBounceTrackingProtection);
});
async function runTest(spawnWindowType) {
if (!spawnWindowType || !["newTab", "popup"].includes(spawnWindowType)) {
throw new Error(`Invalid option '${spawnWindowType}' for spawnWindowType`);
}
Assert.equal(
bounceTrackingProtection.testGetBounceTrackerCandidateHosts({}).length,
0,
"No bounce tracker hosts initially."
);
Assert.equal(
bounceTrackingProtection.testGetUserActivationHosts({}).length,
0,
"No user activation hosts initially."
);
// Spawn a tab with A, the start of the bounce chain.
await BrowserTestUtils.withNewTab(
getBaseUrl(ORIGIN_A) + "file_start.html",
async browser => {
// The destination site C to navigate to after the bounce.
let finalURL = new URL(getBaseUrl(ORIGIN_B) + "file_start.html");
// The middle hop in the bounce chain B that redirects to finalURL C.
let bounceURL = getBounceURL({
bounceType: "client",
targetURL: finalURL,
setState: "cookie-client",
});
// Register a promise for the new popup window. This resolves once the popup
// has opened and the final url (C) has been loaded.
let openPromise;
if (spawnWindowType == "newTab") {
openPromise = BrowserTestUtils.waitForNewTab(
gBrowser,
finalURL.href,
true
);
} else {
openPromise = BrowserTestUtils.waitForNewWindow({ url: finalURL.href });
}
// Navigate through the bounce chain by opening a popup to the bounce URL.
await navigateLinkClick(browser, bounceURL, {
spawnWindow: spawnWindowType,
});
let tabOrWindow = await openPromise;
let tabOrWindowBrowser;
if (spawnWindowType == "newTab") {
tabOrWindowBrowser = tabOrWindow.linkedBrowser;
} else {
tabOrWindowBrowser = tabOrWindow.gBrowser.selectedBrowser;
}
let promiseRecordBounces = waitForRecordBounces(tabOrWindowBrowser);
// Navigate again with user gesture which triggers
// BounceTrackingProtection::RecordStatefulBounces. We could rely on the
// timeout (mClientBounceDetectionTimeout) here but that can cause races
// in debug where the load is quite slow.
await navigateLinkClick(
tabOrWindowBrowser,
new URL(getBaseUrl(ORIGIN_C) + "file_start.html")
);
info("Wait for bounce trackers to be recorded.");
await promiseRecordBounces;
// Cleanup popup or tab.
if (spawnWindowType == "newTab") {
await BrowserTestUtils.removeTab(tabOrWindow);
} else {
await BrowserTestUtils.closeWindow(tabOrWindow);
}
}
);
// Check that the bounce tracker was detected.
Assert.deepEqual(
bounceTrackingProtection
.testGetBounceTrackerCandidateHosts({})
.map(entry => entry.siteHost),
[SITE_TRACKER],
"Bounce tracker in popup detected."
);
// Cleanup.
bounceTrackingProtection.clearAll();
await SiteDataTestUtils.clear();
}
/**
* Tests that bounce trackers which use popups as the first hop in the bounce
* chain can not bypass detection.
*
* A -> popup -> B -> C
*
* A opens a popup and loads B in it. B is the tracker that performs a
* short-lived redirect and C is the final destination.
*/
add_task(async function test_popup() {
await runTest("popup");
});
add_task(async function test_new_tab() {
await runTest("newTab");
});