tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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shared-storage-writable-img-request-in-data-url.tentative.https.sub.html (2321B)


      1 <!doctype html>
      2 <body>
      3  <script src=/resources/testharness.js></script>
      4  <script src=/resources/testharnessreport.js></script>
      5  <script src=/common/utils.js></script>
      6  <script src=/fenced-frame/resources/utils.js></script>
      7  <script src=/shared-storage/resources/util.js></script>
      8  <script>
      9    'use strict';
     10    const origin = window.location.origin;
     11    const rawSetHeader = 'set;key=hello;value=world';
     12    const setHeader = encodeURIComponent(rawSetHeader);
     13 
     14    promise_test(async t => {
     15      let frame = document.createElement('iframe');
     16      const promise = new Promise((resolve, reject) => {
     17        window.addEventListener('message', async function handler(evt) {
     18          if (evt.source === frame.contentWindow &&
     19              evt.data.sharedStorageWritableLoadStatus) {
     20            document.body.removeChild(frame);
     21            window.removeEventListener('message', handler);
     22            resolve(evt.data.sharedStorageWritableLoadStatus);
     23          }
     24        });
     25        window.addEventListener('error', (error) => {
     26          reject(error);
     27        });
     28      });
     29 
     30      const imageUrl =
     31        `${origin}\\/shared-storage\\/resources\\/shared-storage-writable-`
     32        + `pixel-write.png?write=${setHeader}`;
     33      const innerCode = `
     34 let parentOrOpener = window.opener || window.parent;
     35 let image = document.createElement('img');
     36 window.addEventListener('load', async (evt) => {
     37  parentOrOpener.postMessage({sharedStorageWritableLoadStatus:
     38                              'loaded'}, '*');
     39 });
     40 window.addEventListener('error', (error) => {
     41  parentOrOpener.postMessage({sharedStorageWritableLoadStatus: error.message},
     42                             '*');
     43 });
     44 image.src = '${imageUrl}';
     45 image.sharedStorageWritable = true;
     46 document.body.appendChild(image);
     47 `;
     48 
     49      const dataURL = 'data:text/html;base64,'
     50        + btoa(unescape('%3Chtml%3E%3Cbody%3E%3Cscript%3E'
     51                        + encodeURIComponent(innerCode) +
     52                        '%3C%2Fscript%3E%3C%2Fbody%3E%3C%2Fhtml%3E'));
     53      frame.src = dataURL;
     54      document.body.appendChild(frame);
     55 
     56      const result = await promise;
     57      assert_equals(result, "loaded");
     58      await verifyKeyNotFoundForOrigin('hello', origin);
     59 
     60    }, 'shared storage iframe request disallowed in opaque origin from data URL');
     61  </script>
     62 </body>