tor-browser

The Tor Browser
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async-unsanitized-html-formats-write-read.tentative.https.html (3508B)


      1 <!doctype html>
      2 <meta charset="utf-8">
      3 <title>Async Clipboard unsanitized HTML write -> Async Clipboard unsanitized HTML read test</title>
      4 <link rel="help" href="https://w3c.github.io/clipboard-apis/#async-clipboard-api">
      5 <body>Body needed for test_driver.click()</body>
      6 <script src="/resources/testharness.js"></script>
      7 <script src="/resources/testharnessreport.js"></script>
      8 <script src="/resources/testdriver.js"></script>
      9 <script src="/resources/testdriver-vendor.js"></script>
     10 <script src="resources/user-activation.js"></script>
     11 <script>
     12 'use strict';
     13 
     14 // This function removes extra spaces between tags in html. For example, the
     15 // following html: "<p> Hello </p>   <body> World </body>" would turn into this
     16 //           html: "<p> Hello </p> <body> World </body>"
     17 // We remove the extra spaces because in html they are considered equivalent,
     18 // but when we are comparing for equality the spaces make a difference.
     19 function reformatHtml(html) {
     20  const parser = new DOMParser();
     21  const htmlString =
     22        parser.parseFromString(html, 'text/html').documentElement.innerHTML;
     23  const reformattedString = htmlString.replace(/\>\s*\</g, '> <');
     24  return reformattedString;
     25 }
     26 
     27 // Writes a payload with custom content and checks to ensure the correct data
     28 // was written successfully.
     29 promise_test(async t => {
     30  await tryGrantReadPermission();
     31  await tryGrantWritePermission();
     32 
     33  // Create and write unsanitized version of standard HTML and custom formats.
     34  const format1 = 'text/html';
     35  const format2 = 'web text/html';
     36  const textInput = '<style>p {color:blue}</style><p>Hello World</p>';
     37  const blobInput1 = new Blob([textInput], {type: format1});
     38  const blobInput2 = new Blob([textInput], {type: format2});
     39  const clipboardItemInput = new ClipboardItem(
     40      {[format1]: blobInput1, [format2]: blobInput2});
     41  await waitForUserActivation();
     42  await navigator.clipboard.write([clipboardItemInput]);
     43 
     44  // Read unsanitized version of HTML format.
     45  await waitForUserActivation();
     46  const clipboardItems = await navigator.clipboard.read();
     47 
     48  assert_equals(clipboardItems.length, 1);
     49  const clipboardItem = clipboardItems[0];
     50  assert_true(clipboardItem instanceof ClipboardItem);
     51 
     52  const blobOutput1 = await clipboardItem.getType(format1);
     53  assert_equals(blobOutput1.type, format1);
     54  const data1 = await (new Response(blobOutput1)).text();
     55  const outputHtml = reformatHtml(data1);
     56  const expectedHtml = '<p style="color: blue; font-size: medium; font-style: normal; ' +
     57                       'font-variant-ligatures: normal; font-variant-caps: normal; ' +
     58                       'font-weight: 400; letter-spacing: normal; orphans: 2; ' +
     59                       'text-align: start; text-indent: 0px; text-transform: none; '+
     60                       'widows: 2; word-spacing: 0px; ' +
     61                       '-webkit-text-stroke-width: 0px; ' +
     62                       'white-space: normal; ' +
     63                       'text-decoration-thickness: initial; ' +
     64                       'text-decoration-style: initial; text-decoration-color: initial;">' +
     65                       'Hello World</p>';
     66  const inputHtml = reformatHtml(expectedHtml);
     67  assert_equals(outputHtml, inputHtml);
     68 
     69  const blobOutput2 = await clipboardItem.getType(format2);
     70  assert_equals(blobOutput2.type, format2);
     71  const data2 = await (new Response(blobOutput2)).text();
     72  assert_equals(data2, textInput);
     73 }, 'Verify write and read unsanitized content to the clipboard given text/html format as input');
     74 </script>