dom/security/test/general/test_allow_opening_data_pdf.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4   <meta charset="utf-8">
   5   <title>Bug 1398692: Allow toplevel navigation to a data:application/pdf</title>
   6   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   7   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
   8 </head>
   9 <body>
  10 <script class="testbody" type="text/javascript">
  11
  12 SimpleTest.waitForExplicitFinish();
  13
  14 function test_toplevel_data_pdf() {
  15   // The PDF contains one page and it is a 3/72" square, the minimum allowed by the spec
  16   const DATA_PDF =
  17     "data:application/pdf;base64,JVBERi0xLjANCjEgMCBvYmo8PC9UeXBlL0NhdGFsb2cvUGFnZXMgMiAwIFI+PmVuZG9iaiAyIDAgb2JqPDwvVHlwZS9QYWdlcy9LaWRzWzMgMCBSXS9Db3VudCAxPj5lbmRvYmogMyAwIG9iajw8L1R5cGUvUGFnZS9NZWRpYUJveFswIDAgMyAzXT4+ZW5kb2JqDQp4cmVmDQowIDQNCjAwMDAwMDAwMDAgNjU1MzUgZg0KMDAwMDAwMDAxMCAwMDAwMCBuDQowMDAwMDAwMDUzIDAwMDAwIG4NCjAwMDAwMDAxMDIgMDAwMDAgbg0KdHJhaWxlcjw8L1NpemUgNC9Sb290IDEgMCBSPj4NCnN0YXJ0eHJlZg0KMTQ5DQolRU9G";
  18
  19   let win = window.open(DATA_PDF);
  20   let wrappedWin = SpecialPowers.wrap(win);
  21
  22   // Unfortunately we can't detect whether the PDF has loaded or not using some
  23   // event, hence we are constantly polling location.href till we see that
  24   // the data: URI appears. Test times out on failure.
  25   var pdfLoaded = setInterval(function() {
  26     if (wrappedWin.document.location.href.startsWith("data:application/pdf")) {
  27       clearInterval(pdfLoaded);
  28       ok(true, "navigating to data:application/pdf allowed");
  29       wrappedWin.close();
  30       SimpleTest.finish();
  31     }
  32   }, 200);
  33 }
  34
  35 SpecialPowers.pushPrefEnv({
  36   set: [["security.data_uri.block_toplevel_data_uri_navigations", true]]
  37 }, test_toplevel_data_pdf);
  38
  39 </script>
  40 </body>
  41 </html>