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path: root/js/xpconnect/tests/chrome/test_expandosharing.xul
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<?xml version="1.0"?>
<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=758415
-->
<window title="Mozilla Bug 758415"
        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>

  <!-- test results are displayed in the html:body -->
  <body xmlns="http://www.w3.org/1999/xhtml">
  <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=758415"
     target="_blank">Mozilla Bug 758415</a>
  </body>

  <!-- test code goes here -->
  <script type="application/javascript">
  <![CDATA[

  /** Test for Cross-Origin Xray Expando Sharing. **/
  SimpleTest.waitForExplicitFinish();
  const Cu = Components.utils;

  // Import our test JSM. We first strip the filename off
  // the chrome url, then append the jsm filename.
  var base = /.*\//.exec(window.location.href)[0];
  Cu.import(base + "file_expandosharing.jsm");

  // Wait for all child frames to load.
  var gLoadCount = 0;
  function frameLoaded() {
    if (++gLoadCount == window.frames.length)
      go();
  }

  function go() {

    // Empower the content windows with some functions.
    var wins = document.getElementsByTagName('iframe');
    for (var i = 0; i < wins.length; ++i) {
      var win = wins[i].contentWindow.wrappedJSObject;
      win.ok = ok;
      win.is = is;
    }

    // Grab references to the content windows. We abbreviate the origins as follows:
    // A: test1.example.org
    // B: test2.example.org
    // C: sub1.test1.example.org
    window.gWinA1 = document.getElementById('frameA1').contentWindow;
    window.gWinA2 = document.getElementById('frameA2').contentWindow;
    window.gWinA3 = document.getElementById('frameA3').contentWindow;
    window.gWinB = document.getElementById('frameB').contentWindow;
    window.gWinC = document.getElementById('frameC').contentWindow;

    // Test expando sharing with a JSM for different types of Xrays.
    testJSM(XPCNativeWrapper(gWinC.wrappedJSObject.targetWN));
    testJSM(XPCNativeWrapper(gWinC.wrappedJSObject.targetDOM));
    testJSM(XPCNativeWrapper(gWinC.wrappedJSObject.targetJS));

    // Make sure sandboxes never share expandos with anyone else.
    testSandbox(XPCNativeWrapper(gWinB.wrappedJSObject.targetWN));
    testSandbox(XPCNativeWrapper(gWinB.wrappedJSObject.targetDOM));
    testSandbox(XPCNativeWrapper(gWinB.wrappedJSObject.targetJS));

    // Test Content Xrays.
    testContentXrays();

    SimpleTest.finish();
  }

  // Make sure that expandos are shared between us and a JSM.
  function testJSM(target) {
    target.numProp = 42;
    target.strProp = "foo";
    target.objProp = { bar: "baz" };
    checkFromJSM(target, is);
  }

  function testSandbox(target) {

    // This gets both run in this scope and the sandbox scope.
    var name = "harness";
    function placeExpando() {
      target.prop = name;
    }

    // Set up the sandboxes.
    sb1 = Cu.Sandbox(window);
    sb2 = Cu.Sandbox(window);
    sb1.target = target;
    sb2.target = target;
    sb1.name = "sandbox1";
    sb2.name = "sandbox2";
    placeExpando();
    Cu.evalInSandbox(placeExpando.toSource() + "placeExpando();", sb1);
    Cu.evalInSandbox(placeExpando.toSource() + "placeExpando();", sb2);

    // Make sure everyone sees a different value.
    is(target.prop, "harness", "Harness sees its own value");
    is(Cu.evalInSandbox("target.prop", sb1), "sandbox1", "Sandbox 1 sees its own value");
    is(Cu.evalInSandbox("target.prop", sb2), "sandbox2", "Sandbox 2 sees its own value");
  }

  // Make sure that the origin tagging machinery works correctly and that we don't
  // mix up chrome and content expandos.
  function testContentXrays() {

    // Give A1 and A3 xrays to (same-origin) A2.
    Components.utils.setWantXrays(gWinA1);
    Components.utils.setWantXrays(gWinA3);

    gWinA1.wrappedJSObject.placeExpando('A1_expando', 11, gWinA2.document);
    gWinA3.wrappedJSObject.placeExpando('A3_expando', 33, gWinA2.document);
    gWinA2.document.Chrome_expando = 33;

    is(gWinA2.document.Chrome_expando, 33, "Read chrome expando properly");
    is(typeof gWinA2.document.A1_expando, 'undefined', "Chrome doesn't see content expandos");
    is(typeof gWinA2.document.A3_expando, 'undefined', "Chrome doesn't see content expandos");
    gWinA1.wrappedJSObject.checkExpando('A1_expando', 11, gWinA2.document, "Content sees proper expandos");
    gWinA3.wrappedJSObject.checkExpando('A1_expando', 11, gWinA2.document, "Content sees proper expandos");
    gWinA1.wrappedJSObject.checkExpando('A3_expando', 33, gWinA2.document, "Content sees proper expandos");
    gWinA3.wrappedJSObject.checkExpando('A3_expando', 33, gWinA2.document, "Content sees proper expandos");
    gWinA1.wrappedJSObject.checkExpando('Chrome_expando', null, gWinA2.document, "Content doesn't see chrome expandos");
    gWinA3.wrappedJSObject.checkExpando('Chrome_expando', null, gWinA2.document, "Content doesn't see chrome expandos");

    // We very explicitly do not support expando sharing via document.domain.
    // A comment in the implementation explains why.
    gWinA1.document.domain = 'test1.example.org';
    gWinA2.document.domain = 'test1.example.org';
    gWinA3.document.domain = 'test1.example.org';
    gWinC.document.domain = 'test1.example.org';
    gWinC.wrappedJSObject.checkExpando('A1_expando', null, gWinA2.document, "document.domain should have no effect here");
    gWinC.wrappedJSObject.checkExpando('A3_expando', null, gWinA2.document, "document.domain should have no effect here");
  }

  ]]>
  </script>
  <iframe id="frameA1" onload="frameLoaded();" type="content" src="http://test1.example.org/tests/js/xpconnect/tests/mochitest/file_expandosharing.html" />
  <iframe id="frameA2" onload="frameLoaded();" type="content" src="http://test1.example.org/tests/js/xpconnect/tests/mochitest/file_expandosharing.html" />
  <iframe id="frameA3" onload="frameLoaded();" type="content" src="http://test1.example.org/tests/js/xpconnect/tests/mochitest/file_expandosharing.html" />
  <iframe id="frameB" onload="frameLoaded();" type="content" src="http://test2.example.org/tests/js/xpconnect/tests/mochitest/file_expandosharing.html" />
  <iframe id="frameC" onload="frameLoaded();" type="content" src="http://sub1.test1.example.org/tests/js/xpconnect/tests/mochitest/file_expandosharing.html" />
</window>