tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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postMessage_onOther.html (3012B)

      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";
      7 
      8    function receiveMessage(evt)
      9    {
     10      if (evt.lastEventId !== "")
     11      {
     12        fail("unexpected non-empty lastEventId");
     13        return;
     14      }
     15 
     16      switch (window.location.href)
     17      {
     18        case "http://example.com" + PATH:
     19          receiveTopDomain(evt);
     20          break;
     21 
     22        case "http://test1.example.com" + PATH:
     23          receiveSubDomain(evt);
     24          break;
     25 
     26        default:
     27          fail("unexpected location");
     28      }
     29    }
     30 
     31    function fail(msg)
     32    {
     33      window.parent.postMessage("FAIL " + msg, "*");
     34    }
     35 
     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
     50 
     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      }
     63 
     64      document.domain = "example.com";
     65      window.parent.topDomainFrame.postMessage("domain-switch",
     66                                               "http://example.com");
     67    }
     68    
     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      }
     86 
     87      document.domain = "example.com";
     88      window.parent.subDomainFrame.testSiblingPostMessage();
     89    }
     90 
     91    function testSiblingPostMessage()
     92    {
     93      window.parent.postMessage("test-finished", "http://mochi.test:8888");
     94    }
     95 
     96    function setup()
     97    {
     98      var target = document.getElementById("location");
     99      target.textContent = location.hostname + ":" + (location.port || 80);
    100    }
    101 
    102    window.addEventListener("message", receiveMessage);
    103    window.addEventListener("load", setup);
    104  </script>
    105 </head>
    106 <body>
    107 <h1 id="location">No location!</h1>
    108 </body>
    109 </html>