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<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>title not set</title>
<script>
// If the query string is given, we are expecting the window.opener can be accessed
// across different first party domains, so we will match the cookie value.
// Otherwise, the access of window.opener should be treated as cross-origin.
// Therefore, it should fail at this setting.
let openerRestriction = true;
let cookieValue;
if (window.location.search.length) {
cookieValue = window.location.search.substr(1);
openerRestriction = false;
}
try {
let openerFrame = window.opener.frames.child;
let result = openerFrame.document.cookie === cookieValue;
if (result && !openerRestriction) {
document.title = "pass";
}
} catch (e) {
if (openerRestriction) {
document.title = "pass";
}
}
</script>
</head>
<body>
</body>
</html>