Source code
Revision control
Copy as Markdown
Other Tools
Test Info: Warnings
- This test has a WPT meta file that expects 4 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /referrer-policy/generic/inheritance/iframe-inheritance-javascript-child.html - WPT Dashboard Interop Dashboard
<!doctype html>
<title>Referrer Policy: iframes with javascript url reuse referrer policy</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script src="resources/make-html-script.js"></script>
<meta name="referrer" content="unsafe-url">
<div id="log"></div>
<script>
[
{
srcDocPolicy: ``,
expected: location.origin + "/custom"
},
{
srcDocPolicy: `<meta name="referrer" content="no-referrer">`,
expected: undefined
}
].forEach(({ srcDocPolicy, expected }) => {
promise_test(t => {
return new Promise(resolve => {
window.addEventListener("message", t.step_func(msg => {
assert_equals(msg.data.referrer, expected);
resolve();
}), { once:true });
const iframe = document.createElement("iframe");
t.add_cleanup(() => iframe.remove());
iframe.srcdoc = `${srcDocPolicy}<body><h1>Outer iframe</h1></body>`;
iframe.onload = t.step_func(() => {
iframe.onload = null;
const iframeChild = iframe.contentDocument.createElement("iframe");
// We add a custom referrer to the fetch request. Otherwise,
// since the frame's URL is "about:blank", the Referer header will
// always be empty:
iframeChild.src = `javascript:'${createScriptString(get_host_info().REMOTE_ORIGIN, location.origin+"/custom")}'`;
iframe.contentDocument.body.appendChild(iframeChild);
});
document.body.appendChild(iframe);
});
});
});
[
{
srcDocPolicy: ``,
expected: location.href // Executing javascript does not change the document url.
// Since the algorithm for computing the referrer in a srcdoc
// iframe defers recursively to the parent, the expected
// referrer should be the full url of the main document.
},
{
srcDocPolicy: `<meta name="referrer" content="no-referrer">`,
expected: undefined
}
].forEach(({ srcDocPolicy, expected }) => {
promise_test(t => {
return new Promise(resolve => {
window.addEventListener("message", t.step_func(msg => {
assert_equals(msg.data.referrer, expected);
resolve();
}), { once:true });
const iframe = document.createElement("iframe");
t.add_cleanup(() => iframe.remove());
iframe.srcdoc = `${srcDocPolicy}<body><h1>Outer iframe</h1></body>`;
iframe.onload = t.step_func(() => {
iframe.onload = null;
iframe.contentWindow.location = `javascript:'${createScriptString(get_host_info().REMOTE_ORIGIN)}'`;
});
document.body.appendChild(iframe);
});
});
});
</script>