tor-browser

The Tor Browser
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async-svg-read-write.tentative.https.html (3483B)


      1 <!doctype html>
      2 <meta charset="utf-8">
      3 <title>
      4  Async Clipboard write ([image/svg+xml ClipboardItem]) -> read and write svg tests
      5 </title>
      6 <link rel="help" href="https://w3c.github.io/clipboard-apis/#async-clipboard-api">
      7 <body>Body needed for test_driver.click()</body>
      8 <script src="/resources/testharness.js"></script>
      9 <script src="/resources/testharnessreport.js"></script>
     10 <script src="/resources/testdriver.js"></script>
     11 <script src="/resources/testdriver-vendor.js"></script>
     12 <script src="resources/user-activation.js"></script>
     13 <script>
     14 'use strict';
     15 // This function removes extra spaces between tags in svg. For example, the
     16 // following svg: "<svg> <g> </g>     </svg>" would turn into this
     17 //           svg: "<svg> <g> </g> </svg>"
     18 // We remove the extra spaces because in svg they are considered equivalent,
     19 // but when we are comparing for equality the spaces make a difference.
     20 function reformatSvg(svgString) {
     21  return svgString.replace(/\>\s*\</g, '> <');
     22 }
     23 
     24 async function readWriteTest(textInput) {
     25  await test_driver.set_permission({name: 'clipboard-read'}, 'granted');
     26  await test_driver.set_permission({name: 'clipboard-write'}, 'granted');
     27  const blobInput = new Blob([textInput.input], {type: 'image/svg+xml'});
     28  const clipboardItem = new ClipboardItem({'image/svg+xml': blobInput});
     29  await waitForUserActivation();
     30  await navigator.clipboard.write([clipboardItem]);
     31  await waitForUserActivation();
     32  const clipboardItems =
     33      await navigator.clipboard.read({type: 'image/svg+xml'});
     34 
     35  const svg = clipboardItems[0];
     36  assert_equals(svg.types.length, 1);
     37  assert_equals(svg.types[0], 'image/svg+xml');
     38 
     39  const blobOutput = await svg.getType('image/svg+xml');
     40  assert_equals(blobOutput.type, 'image/svg+xml');
     41 
     42  const blobText = await (new Response(blobOutput)).text();
     43  const outputSvg = reformatSvg(blobText);
     44  if ("expected" in textInput) {
     45    assert_equals(outputSvg, reformatSvg(textInput.expected));
     46  } else {
     47    assert_equals(outputSvg, reformatSvg(textInput.input));
     48  }
     49 }
     50 const testCases = [
     51  { input: '<svg></svg>' },
     52  { input: '<svg> <circle cx="50" cy="50" r="40"/> </svg>',
     53    expected: '<svg> <circle cx="50" cy="50" r="40"> </circle> </svg>' },
     54  { input: '<svg> <script>const a = 5;\<\/script> <a href="javascript:alert(2)"> test </a> </svg>',
     55    expected: '<svg> <a> test </a> </svg>' },
     56  { input: '<svg> <style>.foo {fill: green;}</style>' +
     57            '<circle class=\"foo\" cx=\"50\" cy=\"50\" r=\"40\" /> </svg>',
     58    // The extra style attributes is due to read-time sanitization.
     59    // We would like to improve the expectation but need a better sanitizer first.
     60    expected: '<svg style=\"color: rgb(0, 0, 0); font-size: medium;' +
     61              ' font-style: normal; font-variant-ligatures: normal;' +
     62              ' font-variant-caps: normal; font-weight: 400;' +
     63              ' letter-spacing: normal; orphans: 2; text-align: start;' +
     64              ' text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px;' +
     65              ' -webkit-text-stroke-width: 0px; white-space: normal;' +
     66              ' text-decoration-thickness: initial; text-decoration-style: initial;' +
     67              ' text-decoration-color: initial;\"> <circle class=\"foo\" cx=\"50\"' +
     68              ' cy=\"50\" r=\"40\"> </circle> </svg>' },
     69 ];
     70 
     71 promise_test(async t => {
     72  for (const testCase of testCases) {
     73    await readWriteTest(testCase);
     74  }
     75 }, 'Verify read and write of some image/svg+xml content');
     76 </script>