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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /xhr/access-control-basic-allow-access-control-origin-header-data-url.htm - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<title>Tests that cross-origin access is granted to null-origin embedded iframe</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>
</head>
<body>
<script type="text/javascript">
const url = get_host_info().HTTP_REMOTE_ORIGIN + "/xhr/resources/access-control-origin-header.py";
async_test(function(test) {
window.addEventListener("message", test.step_func(function(evt) {
if (evt.data == "ready") {
document.getElementById("frame").contentWindow.postMessage(url, "*");
} else {
assert_equals(evt.data, "PASS: Cross-domain access allowed.\nHTTP_ORIGIN: null");
test.done();
}
}), false);
}, "Access granted to null-origin iframe");
</script>
<iframe id="frame" src='data:text/html,
<script>
(function() {
parent.postMessage("ready", "*");
window.addEventListener("message", function(evt) {
try {
const url = evt.data;
const xhr = new XMLHttpRequest;
xhr.open("GET", url, false);
xhr.send();
parent.postMessage(xhr.responseText, "*");
} catch(e) {
parent.postMessage(e.message, "*");
}
});
})();
</script>'>
</body>
</html>