| Index: third_party/WebKit/LayoutTests/http/tests/security/offscreencanvas-placeholder-read-blocked-no-crossorigin.html
|
| diff --git a/third_party/WebKit/LayoutTests/http/tests/security/offscreencanvas-placeholder-read-blocked-no-crossorigin.html b/third_party/WebKit/LayoutTests/http/tests/security/offscreencanvas-placeholder-read-blocked-no-crossorigin.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..dfb964311826dabfa86a82f173fa464bf0176f55
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/http/tests/security/offscreencanvas-placeholder-read-blocked-no-crossorigin.html
|
| @@ -0,0 +1,37 @@
|
| +<!DOCTYPE html>
|
| +<script src="../../../resources/testharness.js"></script>
|
| +<script src="../../../resources/testharnessreport.js"></script>
|
| +<script>
|
| +async_test(t => {
|
| + var image = new Image();
|
| + // Notice that we don't set the image.crossOrigin property.
|
| + image.src = "http://localhost:8000/security/resources/abe-allow-star.php";
|
| + image.onload = function() {
|
| + var canvas = document.createElement('canvas');
|
| + canvas.width = canvas.height = 10;
|
| + var offscreen = canvas.transferControlToOffscreen();
|
| + var ctx = offscreen.getContext('2d');
|
| + ctx.drawImage(image, 0, 0);
|
| + ctx.commit();
|
| + t.step(function() {
|
| + canvas.toDataURL(); // Succeeds by not throwing
|
| + });
|
| + setTimeout(function() { // sync barrier for commit() propagation
|
| + t.step(function() {
|
| + assert_throws("SecurityError", function() {
|
| + canvas.toDataURL();
|
| + }, "Check toDataURL blocked.");
|
| + });
|
| + ctx.commit(); // Second frame does not reset origin-clean flag.
|
| + setTimeout(function() { // sync barrier for commit() propagation
|
| + t.step(function() {
|
| + assert_throws("SecurityError", function() {
|
| + canvas.toDataURL();
|
| + });
|
| + });
|
| + t.done();
|
| + }, 0);
|
| + }, 0);
|
| + }
|
| +}, "Verify that the placeholder <canvas> associated with an OffscreenCanvas tainted with cross-origin content cannot be read once commit has propagated.");
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 2566313002:
Make OffscreenCanvas commit() propagate the origin-clean flag. (Closed)
