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Test Info: Errors
- This test gets skipped with pattern: http3 OR http2
- This test failed 1 times in the preceding 30 days. quicksearch this test
- Manifest: dom/tests/mochitest/bugs/mochitest.toml
<!DOCTYPE HTML>
<html>
<!--
-->
<head>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/ChromeTask.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body onload="onLoad()">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=583181">Mozilla Bug 583181</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
"use strict";
SimpleTest.waitForExplicitFinish();
const LEGACY_BUILD_ID = 20181001000000;
//
// Access navigator.buildID from unprivileged web content.
//
var isOK = false;
try {
var contentBuildID = navigator.buildID;
isOK = true;
} catch (ex) {
}
ok(isOK, "navigator.buildID should never throw");
is(typeof(contentBuildID), "string", "navigator.buildID should be a string");
is(+contentBuildID, LEGACY_BUILD_ID,
"navigator.buildID should be spoofed in content");
async function onLoad() {
//
// Access navigator.buildID from chrome.
//
let chromeBuildID = await ChromeTask.spawn(null, () => {
const browser = Services.wm.getMostRecentBrowserWindow();
return browser.navigator.buildID;
});
ok(+chromeBuildID > LEGACY_BUILD_ID,
`navigator.buildID should be exposed in chrome - got "${chromeBuildID}"`);
//
// Access navigator.buildID from mozilla.org.
//
let mozillaBuildID = await getMozillaBuildID();
ok(+mozillaBuildID > LEGACY_BUILD_ID,
`navigator.buildID should be exposed on mozilla.org ` +
`- got "${mozillaBuildID}"`);
is(chromeBuildID, mozillaBuildID,
"navigator.buildID should be the same in chrome and on mozilla.org");
//
// Access navigator.buildID from mozilla.org when resisting fingerprinting.
//
await SpecialPowers.pushPrefEnv(
{"set": [["privacy.resistFingerprinting", true]]});
let resistBuildID = await getMozillaBuildID();
is(+resistBuildID, LEGACY_BUILD_ID,
"navigator.buildID should be spoofed on mozilla.org when " +
"resisting fingerprinting");
SimpleTest.finish();
}
async function getMozillaBuildID() {
let iframe = document.getElementById("mozillaIFrame");
await new Promise(resolve => {
iframe.addEventListener("load", resolve, { once: true });
SpecialPowers.spawn(iframe, [], () => this.content.location.reload());
});
return SpecialPowers.spawn(
iframe, [], () => this.content.wrappedJSObject.navigator.buildID);
}
</script>
</pre>
</body>
</html>