Commit 60d1a7bf authored by Arthur Edelstein's avatar Arthur Edelstein Committed by Georg Koppen
Browse files

Bug 10286: Regression tests for Touch API fingerprinting resistance 

Also, fix typo in EventUtils.js
parent 7046dcee

dom/events/test/mochitest.ini

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@@ -185,3 +185,4 @@ skip-if = toolkit == 'android' #CRASH_DUMP, RANDOM 
[test_wheel_default_action.html]

[test_bug687787.html]

[test_bug1298970.html]

[test_touchevent_resist_fingerprinting.html]

dom/events/test/test_touchevent_resist_fingerprinting.html

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<!DOCTYPE HTML>

<html>

<!--

https://trac.torproject.org/10286

-->

  <head>

    <meta charset="utf-8">

    <title>Test for Tor Bug 10286</title>

    <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>

    <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>

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

  </head>

  <body>

    <div id="target0">target0</div>

    <script type="application/javascript">

     SimpleTest.waitForExplicitFinish();



     let promiseEvent = (target, eventName) => {

       return new Promise(resolve => {

         target.addEventListener(eventName, function eventOccurred(event) {

           target.removeEventListener(eventName, eventOccurred, false);

           resolve(event);

         }, false);

       });

     }



     let promiseTouchEvent = (target, type, offsetX, offsetY, params) => {

       let touchEventPromise = promiseEvent(target, type);

       params.type = type;

       synthesizeTouch(target, offsetX, offsetY, params);

       return touchEventPromise;

     };



     let target0 = document.getElementById("target0");

     let touchParams = { force: 1.0, angle: 1.0, rx: 2, ry: 3 };



     let runTest = async () => {

       await SpecialPowers.pushPrefEnv(

         { set: [["dom.w3c_touch_events.enabled", 1]] });

       for (let resist of [false, true]) {

         await SpecialPowers.pushPrefEnv(

           { set: [["privacy.resistFingerprinting", resist]] });

         info("starting test with fingerprinting resistance " +

              (resist ? "on" : "off"));

         let touchEvent = await promiseTouchEvent(target0, "touchstart",

                                                  5, 5, touchParams);

         info("touch event received");

         let touch = touchEvent.touches[0];

         if (resist) {

           is(touch.screenX, touch.clientX,

              "touch.screenX should be the same as touch.clientX");

           is(touch.screenY, touch.clientY,

              "touch.screenY should be the same as touch.clientY");

         }

         is(touch.force, resist ? 0.0 : touchParams.force, "touch.force");

         is(touch.radiusX, resist ? 1 : touchParams.rx, "touch.radiusX");

         is(touch.radiusY, resist ? 1 : touchParams.ry, "touch.radiusY");

         is(touch.rotationAngle, resist ? 0 : touchParams.angle,

            "touch.rotationAngle");

       }

     }



     window.onload = () => {

       runTest().then(() => SimpleTest.finish());

     };

    </script>

  </body>

</html>

testing/mochitest/tests/SimpleTest/EventUtils.js

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@@ -395,7 +395,7 @@ function synthesizeTouchAtPoint(left, top, aEvent, aWindow = window) 
  if (utils) {

    var id = aEvent.id || 0;

    var rx = aEvent.rx || 1;

    var ry = aEvent.rx || 1;

    var ry = aEvent.ry || 1;

    var angle = aEvent.angle || 0;

    var force = aEvent.force || 1;

    var modifiers = _parseModifiers(aEvent, aWindow);