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<html>
<head>
<meta charset="utf-8">
<title>Bug 1403814: Allow toplevel data URI navigation data:application/json</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
function test_toplevel_data_json() {
const DATA_JSON = "data:application/json,{'my_json_key':'my_json_value'}";
let win = window.open(DATA_JSON);
let wrappedWin = SpecialPowers.wrap(win);
// Unfortunately we can't detect whether the JSON has loaded or not using some
// event, hence we are constantly polling location.href till we see that
// the data: URI appears. Test times out on failure.
var jsonLoaded = setInterval(function() {
if (wrappedWin.document.location.href.startsWith("data:application/json")) {
clearInterval(jsonLoaded);
ok(true, "navigating to data:application/json allowed");
wrappedWin.close();
SimpleTest.finish();
}
}, 200);
}
SpecialPowers.pushPrefEnv({
set: [["security.data_uri.block_toplevel_data_uri_navigations", true]]
}, test_toplevel_data_json);
</script>
</body>
</html>