The Tor Browser: dom/tests/mochitest/whatwg/postMessage

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 <!DOCTYPE html>

     2 <html>

     3 <head>

     4   <title>postMessage called through another frame</title>

     5   <script type="application/javascript">

     6     var PATH = "/tests/dom/tests/mochitest/whatwg/postMessage_onOther.html";

     8     function receiveMessage(evt)

     9     {

    10       if (evt.lastEventId !== "")

    11       {

    12         fail("unexpected non-empty lastEventId");

    13         return;

    14       }

    16       switch (window.location.href)

    17       {

    18         case "http://example.com" + PATH:

    19           receiveTopDomain(evt);

    20           break;

    22         case "http://test1.example.com" + PATH:

    23           receiveSubDomain(evt);

    24           break;

    26         default:

    27           fail("unexpected location");

    28       }

    29     }

    31     function fail(msg)

    32     {

    33       window.parent.postMessage("FAIL " + msg, "*");

    34     }

    36     // The parent frame sends "start-test" to the subdomain frame to start.

    37     // The subdomain frame then sets document.domain to the top domain so that

    38     // the top domain frame can access it.  It then sends a message to the top

    39     // domain frame to tell it to do likewise; once that happens, the top domain

    40     // frame can then call a method on the subdomain frame window, which will

    41     // call a method *on the top domain window* to send a message to the parent

    42     // window.  We thus expect to see an event whose source is the subdomain

    43     // window -- *not* the top domain window.  Therefore, its .origin should be:

    44     //

    45     //   http://test1.example.com

    46     //

    47     // and not

    48     //

    49     //   http://example.com

    51     function receiveSubDomain(evt)

    52     {

    53       if (evt.origin !== "http://mochi.test:8888")

    54       {

    55         fail("wrong top-domain origin: " + evt.origin);

    56         return;

    57       }

    58       if (evt.data !== "start-test")

    59       {

    60         fail("wrong top-domain message: " + evt.origin);

    61         return;

    62       }

    64       document.domain = "example.com";

    65       window.parent.topDomainFrame.postMessage("domain-switch",

    66                                                "http://example.com");

    67     }

    69     function receiveTopDomain(evt)

    70     {

    71       if (evt.origin !== "http://test1.example.com")

    72       {

    73         fail("wrong subdomain origin: " + evt.origin);

    74         return;

    75       }

    76       if (evt.data !== "domain-switch")

    77       {

    78         fail("wrong subdomain message: " + evt.origin);

    79         return;

    80       }

    81       if (evt.source !== window.parent.subDomainFrame)

    82       {

    83         fail("wrong source on message from subdomain");

    84         return;

    85       }

    87       document.domain = "example.com";

    88       window.parent.subDomainFrame.testSiblingPostMessage();

    89     }

    91     function testSiblingPostMessage()

    92     {

    93       window.parent.postMessage("test-finished", "http://mochi.test:8888");

    94     }

    96     function setup()

    97     {

    98       var target = document.getElementById("location");

    99       target.textContent = location.hostname + ":" + (location.port || 80);

   100     }

   102     window.addEventListener("message", receiveMessage, false);

   103     window.addEventListener("load", setup, false);

   104   </script>

   105 </head>

   106 <body>

   107 <h1 id="location">No location!</h1>

   108 </body>

   109 </html>

The Tor Browser / file revision