tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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access-control-sandboxed-iframe-denied-without-wildcard.htm (1697B)


      1 <!DOCTYPE html>
      2 <html>
      3  <head>
      4    <title>Tests that sandboxed iframe does not have CORS XHR access to server with "Access-Control-Allow-Origin" set to the original origin</title>
      5    <script src="/resources/testharness.js"></script>
      6    <script src="/resources/testharnessreport.js"></script>
      7    <script src="/common/get-host-info.sub.js"></script>
      8  </head>
      9  <body>
     10    <script type="text/javascript">
     11 const path = "/xhr/resources/pass.txt?pipe=" +
     12    "header(Cache-Control,no-store)|" +
     13    "header(Content-Type,text/plain)" +
     14    "header(Access-Control-Allow-Credentials,true)|" +
     15    "header(Access-Control-Allow-Origin," + get_host_info().HTTP_ORIGIN + ")";
     16 
     17 async_test((test) => {
     18  const xhr = new XMLHttpRequest;
     19  xhr.open("GET", get_host_info().HTTP_REMOTE_ORIGIN + path);
     20  xhr.send();
     21  xhr.onerror = test.unreached_func("Unexpected error");
     22  xhr.onload = test.step_func_done(() => {
     23    assert_equals(xhr.status, 200);
     24    assert_equals(xhr.responseText.trim(), "PASS");
     25  });
     26 }, "Check that path exists and is accessible via CORS XHR request");
     27 
     28 async_test((test) => {
     29  window.addEventListener("message", test.step_func((evt) => {
     30    if (evt.data === "ready") {
     31      document.getElementById("frame").contentWindow.postMessage(
     32          get_host_info().HTTP_REMOTE_ORIGIN + path, "*");
     33    } else {
     34      assert_equals(evt.data, "Exception thrown. Sandboxed iframe XHR access was denied in 'send'.");
     35      test.done();
     36    }
     37  }), false);
     38 }, "Sandboxed iframe is denied CORS access to server that allows parent origin");
     39    </script>
     40    <iframe id="frame" sandbox="allow-scripts" src="/xhr/resources/access-control-sandboxed-iframe.html">
     41    </iframe>
     42  </body>
     43 </html>