test_redirect_downgrade.html

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<!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>