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<!DOCTYPE HTML>
<html>
<head>
  <title>Bug 1258033 - Fix the DNT loophole for tracking protection</title>
  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
</head>

<body>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">

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

var mainWindow = window.browsingContext.topChromeWindow;

const tests = [
  // DNT turned on and TP turned off, DNT signal sent in both private browsing
  // and normal mode.
  {
    setting:  {dntPref: true, tpPref: false, tppbPref: false, pbMode: true},
    expected: {dnt: "1"},
  },
  {
    setting:  {dntPref: true,  tpPref: false, tppbPref: false, pbMode: false},
    expected: {dnt: "1"},
  },
  // DNT turned off and TP turned on globally, DNT signal sent in both private
  // browsing and normal mode.
  {
    setting:  {dntPref: false, tpPref: true,  tppbPref: false, pbMode: true},
    expected: {dnt: "1"},
  },
  {
    setting:  {dntPref: false, tpPref: true,  tppbPref: false, pbMode: false},
    expected: {dnt: "1"},
  },
  // DNT turned off and TP in Private Browsing only, DNT signal sent in private
  // browsing mode only.
  {
    setting:  {dntPref: false, tpPref: false, tppbPref: true,  pbMode: true},
    expected: {dnt: "1"},
  },
  {
    setting:  {dntPref: false, tpPref: false, tppbPref: true,  pbMode: false},
    expected: {dnt: "unspecified"},
  },
  // DNT turned off and TP turned off, DNT signal is never sent.
  {
    setting:  {dntPref: false, tpPref: false, tppbPref: false, pbMode: true},
    expected: {dnt: "unspecified"},
  },
  {
    setting:  {dntPref: false, tpPref: false, tppbPref: false, pbMode: false},
    expected: {dnt: "unspecified"},
  },
];

const DNT_PREF = "privacy.donottrackheader.enabled";
const TP_PREF = "privacy.trackingprotection.enabled";
const TP_PB_PREF = "privacy.trackingprotection.pbmode.enabled";

const contentPage =
  "http://mochi.test:8888/tests/toolkit/components/url-classifier/tests/mochitest/dnt.html";

const {TestUtils} = ChromeUtils.importESModule(
  "resource://testing-common/TestUtils.sys.mjs"
);

function executeTest(test) {
  SpecialPowers.pushPrefEnv({"set": [
   [DNT_PREF, test.setting.dntPref],
   [TP_PREF, test.setting.tpPref],
   [TP_PB_PREF, test.setting.tppbPref],
  ]});

  var win = mainWindow.OpenBrowserWindow({private: test.setting.pbMode});

  return new Promise(function(resolve) {
    win.addEventListener("load", function() {
      TestUtils.topicObserved("browser-delayed-startup-finished",
                              subject => subject == win).then(() => {
        win.addEventListener("DOMContentLoaded", function onInnerLoad() {
          if (win.content.location.href != contentPage) {
            win.gBrowser.loadURI(Services.io.newURI(contentPage), {
              triggeringPrincipal: Services.scriptSecurityManager.createNullPrincipal({}),
            });
            return;
          }

          win.removeEventListener("DOMContentLoaded", onInnerLoad, true);

          win.content.addEventListener("message", function(event) {
            let [key, value] = event.data.split("=");
            if (key == "finish") {
              win.close();
              resolve();
            } else if (key == "navigator.doNotTrack") {
              is(value, test.expected.dnt, "navigator.doNotTrack should be " + test.expected.dnt);
            } else if (key == "DNT") {
              let msg = test.expected.dnt == "1" ? "" : "not ";
              is(value, test.expected.dnt, "DNT header should " + msg + "be sent");
            } else {
              ok(false, "unexpected message");
            }
          });
        }, true);
        SimpleTest.executeSoon(function() {
          win.gBrowser.loadURI(Services.io.newURI(contentPage), {
            triggeringPrincipal: Services.scriptSecurityManager.createNullPrincipal({}),
          });
        });
      });
    }, {capture: true, once: true});
  });
}

let loop = function loop(index) {
  if (index >= tests.length) {
    SimpleTest.finish();
    return;
  }

  let test = tests[index];
  let next = function next() {
    loop(index + 1);
  };
  let result = executeTest(test);
  result.then(next, next);
};

SimpleTest.waitForExplicitFinish();
loop(0);

</script>

</pre>
</body>
</html>