tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_broadcastChannel.js (2064B)

      1 // BroadcastChannel is not considered part of CookieJar. It's not allowed to
      2 // communicate with other windows with different cookie jar settings.
      3 "use strict";
      4 
      5 CookiePolicyHelper.runTest("BroadcastChannel", {
      6  cookieJarAccessAllowed: async w => {
      7    new w.BroadcastChannel("hello");
      8    ok(true, "BroadcastChannel be used");
      9  },
     10 
     11  cookieJarAccessDenied: async w => {
     12    try {
     13      new w.BroadcastChannel("hello");
     14      ok(false, "BroadcastChannel cannot be used!");
     15    } catch (e) {
     16      ok(true, "BroadcastChannel cannot be used!");
     17      is(e.name, "SecurityError", "We want a security error message.");
     18    }
     19  },
     20 });
     21 
     22 CookiePolicyHelper.runTest("BroadcastChannel in workers", {
     23  cookieJarAccessAllowed: async w => {
     24    function nonBlockingCode() {
     25      new BroadcastChannel("hello");
     26      postMessage(true);
     27    }
     28 
     29    let blob = new w.Blob([
     30      nonBlockingCode.toString() + "; nonBlockingCode();",
     31    ]);
     32    ok(blob, "Blob has been created");
     33 
     34    let blobURL = w.URL.createObjectURL(blob);
     35    ok(blobURL, "Blob URL has been created");
     36 
     37    let worker = new w.Worker(blobURL);
     38    ok(worker, "Worker has been created");
     39 
     40    await new w.Promise((resolve, reject) => {
     41      worker.onmessage = function (e) {
     42        if (e) {
     43          resolve();
     44        } else {
     45          reject();
     46        }
     47      };
     48    });
     49  },
     50 
     51  cookieJarAccessDenied: async w => {
     52    function blockingCode() {
     53      try {
     54        new BroadcastChannel("hello");
     55        postMessage(false);
     56      } catch (e) {
     57        postMessage(e.name == "SecurityError");
     58      }
     59    }
     60 
     61    let blob = new w.Blob([blockingCode.toString() + "; blockingCode();"]);
     62    ok(blob, "Blob has been created");
     63 
     64    let blobURL = w.URL.createObjectURL(blob);
     65    ok(blobURL, "Blob URL has been created");
     66 
     67    let worker = new w.Worker(blobURL);
     68    ok(worker, "Worker has been created");
     69 
     70    await new w.Promise((resolve, reject) => {
     71      worker.onmessage = function (e) {
     72        if (e) {
     73          resolve();
     74        } else {
     75          reject();
     76        }
     77      };
     78    });
     79  },
     80 });