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<!doctype html>
<meta charset="utf-8">
<title>Check that sandboxed iframe can not navigate other frame's popup</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<script>
// This HTML file is loaded 3 times.
// (1) As the initial test file (mode = '').
// (2) In the popup window (mode = 'popup').
// (3) In the sandboxed iframe (mode = 'iframe').
// Note: The sandboxed iframe (3) tries to navigate the popup window (2) to
// a new mode=iframenavigated URL. But this must be blocked because (3) is not
// the 'one permitted sandboxed navigator'.
// https://html.spec.whatwg.org/multipage/origin.html#one-permitted-sandboxed-navigator
(() => {
const mode = '{{GET[mode]}}';
if (mode == 'popup') {
// (2): Loaded in the popup window.
return;
}
if (mode == 'iframe') {
// (3): Loaded in the sandboxed iframe.
try {
// Attempts to navigate the popup window (2).
parent.document.popupWin.location = location.href + 'navigated';
} catch (e) {
parent.postMessage('cannot navigate');
}
return;
}
if (mode == 'iframenavigated') {
// This URL page must not be loaded.
opener.postMessage('can navigate');
return;
}
// (1): Loaded as the initial test file.
promise_test(async t => {
// Opens a popup window to load the page (2).
document.popupWin = window.open(location.href + '?mode=popup', '_blank');
t.add_cleanup(() => document.popupWin.close());
await new Promise(resolve => {
document.popupWin.addEventListener('load', resolve);
});
// Adds an iframe to load the page (3).
const iframe = document.createElement('iframe');
t.add_cleanup(() => iframe.remove());
iframe.sandbox = 'allow-popups allow-same-origin allow-scripts';
iframe.src = location.href + '?mode=iframe';
const message_promise = new Promise(resolve => {
window.addEventListener('message', (e) => { resolve(e.data); });
});
document.body.appendChild(iframe);
const result = await message_promise;
assert_equals(result, 'cannot navigate');
}, "Sandboxed iframe can not navigate other frame's popup");
})();
</script>
</body>
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