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Determine if ResizeTo is allowed (#36704)

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Spec says to check If target is not an auxiliary browsing context before
performing ResizeTo.


Fixes: #36701

Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com>
This commit is contained in:
Taym Haddadi 2025-04-27 12:43:05 +02:00 • committed by GitHub
parent e22ce3988b
commit 989739316e
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
4 changed files with 38 additions and 10 deletions
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12
components/script/dom/window.rs
View file

@ -1389,7 +1389,17 @@ impl WindowMethods<crate::DomTypeHolder> for Window {
// https://drafts.csswg.org/cssom-view/#dom-window-resizeto
fn ResizeTo(&self, width: i32, height: i32) {
// Step 1
//TODO determine if this operation is allowed
let window_proxy = match self.window_proxy.get() {
Some(proxy) => proxy,
None => return,
};
// If target is not an auxiliary browsing context that was created by a script
// (as opposed to by an action of the user), then return.
if !window_proxy.is_auxiliary() {
return;
}
let dpr = self.device_pixel_ratio();
let size = Size2D::new(width, height).to_f32() * dpr;
self.send_to_embedder(EmbedderMsg::ResizeTo(self.webview_id(), size.to_i32()));

9
tests/wpt/mozilla/meta/MANIFEST.json vendored
View file

@ -52,6 +52,13 @@
null,
{}
]
],
"window_resizeTo_not_permitted-crash.html": [
"7b6a67ff81436a91048bdb627f303f7fab2762f7",
[
null,
{}
]
]
}
},
@ -14330,7 +14337,7 @@
]
],
"window_resizeTo.html": [
"87d60498e80bcd01b5790feb3f9e104410cb6e1b",
"3f6c5a610d52b64bf4457d478b929e95d79e9ab8",
[
null,
{}

17
tests/wpt/mozilla/tests/mozilla/window_resizeTo.html vendored
View file

@ -1,16 +1,21 @@
<!doctype html>
<meta charset="utf-8">
<title>Verify that the resize event is fired when the window is resized (particularly in headless mode)</title>
<title>Verify that the resize event is fired when the window is resized (in popup)</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
async_test(function (t) {
window.onresize = t.step_func(function () {
assert_equals(window.innerWidth, 200);
assert_equals(window.innerHeight, 200);
var popup = window.open("about:blank", "_blank", "width=100,height=100");
assert_not_equals(popup, null, "Popup must be successfully opened");
popup.onload = function () {
popup.onresize = t.step_func(function () {
assert_approx_equals(popup.innerWidth, 200, 10, "Popup width should be ~200");
assert_approx_equals(popup.innerHeight, 200, 10, "Popup height should be ~200");
t.done();
});
window.resizeTo(200, 200);
}, "onresize");
popup.resizeTo(200, 200);
};
}, "Popup onresize event fires after resizeTo");
</script>

6
tests/wpt/mozilla/tests/mozilla/window_resizeTo_not_permitted-crash.html vendored Normal file
View file

@ -0,0 +1,6 @@
<!doctype html>
<meta charset="utf-8">
<title>Test that calling resizeTo() on normal window does not crash</title>
<script>
window.resizeTo(-1, -1);
</script>