<!DOCTYPE HTML>
<html>
<head>
<title>Bug 1707856: Test redirect downgrades with https-first</title>
<script 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">
"use strict";
/*
 * Description of the test:
 * We perform three tests where we expect https-first to detect
 * that the target site only supports http
 * Test 1: Meta Refresh
 * Test 2: JS Redirect
 * Test 3: 302 redirect
 */

SimpleTest.waitForExplicitFinish();

const REQUEST_URL =
  "http://example.com/tests/dom/security/test/https-first/file_redirect_downgrade.sjs";

const redirectQueries = ["?test1a", "?test2a","?test3a"];
let currentTest = 0;
let testWin;
let currentQuery;
window.addEventListener("message", receiveMessage);

// Receive message and verify that it is from an https site.
// When the message is 'downgraded' then it was send by an http site
// and the redirection worked.
async function receiveMessage(event) {
  let data = event.data;
  ok(data.result === "downgraded", "Redirected successful to 'http' for " + currentQuery);
  ok(data.scheme === "http:", "scheme is 'http' for " + currentQuery );
  testWin.close();
  if (++currentTest < redirectQueries.length) {
    runTest();
    return;
  }
  window.removeEventListener("message", receiveMessage);
  SimpleTest.finish();
}

async function runTest() {
  currentQuery = redirectQueries[currentTest];
  testWin = window.open(REQUEST_URL + currentQuery, "_blank");
}

SpecialPowers.pushPrefEnv({ set: [
    ["dom.security.https_first", true]
  ]}, runTest);

</script>
</body>
</html>
