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<!DOCTYPE html>
<head>
<!-- Following CSP directive allows this URL to prefetch itself. -->
<meta
http-equiv="Content-Security-Policy"
content="prefetch-src http://{{host}}:{{ports[http][0]}}/speculation-rules/prerender/resources/csp-prefetch-src-allow.sub.html">
</head>
<script src="/common/utils.js"></script>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="utils.js"></script>
<script>
const params = new URLSearchParams(location.search);
// Take a key used for storing a test result in the server.
const key = params.get('key');
// The main test page (restriction-csp-prefetch-src.html in the parent
// directory) will load this page only with the "key" parameter. This page will
// then try prerendering itself with the "run-test" parameter. When "run-test"
// is in the URL we'll actually start the test process and record the results to
// send back to the main test page. We do this because the main test page cannot
// navigate itself but it also cannot open a popup to a prerendered browsing
// context so the prerender triggering and activation must both happen in this
// popup.
const run_test = params.has('run-test');
if (!run_test) {
// Generate a new stash key so we can communicate with the prerendered page
// about when to close the popup.
const done_key = token();
const url = new URL(document.URL);
url.searchParams.append('run-test', '');
url.searchParams.append('done-key', done_key);
startPrerendering(url.toString());
// Wait until the prerendered page signals us it's ready to close.
nextValueFromServer(done_key).then(() => {
window.close();
});
} else {
// Tell the harness the initial document.prerendering value.
writeValueToServer(key, document.prerendering);
// Tell the prerendering initiating page test being finished.
const done_key = params.get('done-key');
writeValueToServer(done_key, "done");
}
</script>
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