test_data_uri.html

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<!DOCTYPE HTML>

<html>

<head>

  <meta charset="utf-8">

  <title>Bug 1709069: Test that Data URI which makes a top-level request gets updated in https-first</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

</head>

<body>

<iframe style="width:100%;" id="testframe"></iframe>

<script class="testbody" type="text/javascript">

SimpleTest.waitForExplicitFinish();

window.addEventListener("message", receiveMessage);

// HTML site which makes a top-level http request

const HTML = `

<html>

<body>

  DATA HTML

<script>

 window.open("http://example.com/tests/dom/security/test/https-first/file_data_uri.html");

<\/script>

<\/body>

<\/html>

`;

const DATA_HTML = "data:text/html, " + HTML;

// Verify that data uri top-level request got upgraded to https and

// the reached location is correct

async function receiveMessage(event){

  let data = event.data;

  is(data.location, "https://example.com/tests/dom/security/test/https-first/file_data_uri.html",

   "Reached the correct location");

  window.removeEventListener("message", receiveMessage);

  SimpleTest.finish();

function test_toplevel_https() {

  document.getElementById("testframe").src = DATA_HTML;

SpecialPowers.pushPrefEnv({ set: [

    ["dom.security.https_first", true],

  ]}, test_toplevel_https);

</script>

</body>

</html>