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Set correct policy-container for worker construction (#36603)

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This makes sure that when workers are created, their global scope has
the correct policy-container set
so that we can do CSP-checks.

Signed-off-by: Tim van der Lippe <tvanderlippe@gmail.com>
This commit is contained in:
Tim van der Lippe 2025-04-21 14:47:06 +02:00 • committed by GitHub
parent d724c8e9e3
commit 9a14ad8535
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GPG key ID: B5690EEEBB952194
25 changed files with 67 additions and 136 deletions
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29
components/script/dom/globalscope.rs
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@ -22,7 +22,7 @@ use constellation_traits::{
ScriptToConstellationChan, ScriptToConstellationMessage,
};
use content_security_policy::{
CheckResult, CspList, PolicyDisposition, Violation, ViolationResource,
CheckResult, CspList, PolicyDisposition, PolicySource, Violation, ViolationResource,
};
use crossbeam_channel::Sender;
use devtools_traits::{PageError, ScriptToDevtoolsControlMsg};
@ -30,6 +30,8 @@ use dom_struct::dom_struct;
use embedder_traits::{
EmbedderMsg, GamepadEvent, GamepadSupportedHapticEffects, GamepadUpdateType,
};
use http::HeaderMap;
use hyper_serde::Serde;
use ipc_channel::ipc::{self, IpcSender};
use ipc_channel::router::ROUTER;
use js::glue::{IsWrapper, UnwrapObjectDynamic};
@ -2415,6 +2417,27 @@ impl GlobalScope {
unreachable!();
}
/// <https://www.w3.org/TR/CSP/#initialize-document-csp>
pub(crate) fn parse_csp_list_from_metadata(
headers: &Option<Serde<HeaderMap>>,
) -> Option<CspList> {
// TODO: Implement step 1 (local scheme special case)
let mut csp = headers.as_ref()?.get_all("content-security-policy").iter();
// This silently ignores the CSP if it contains invalid Unicode.
// We should probably report an error somewhere.
let c = csp.next().and_then(|c| c.to_str().ok())?;
let mut csp_list = CspList::parse(c, PolicySource::Header, PolicyDisposition::Enforce);
for c in csp {
let c = c.to_str().ok()?;
csp_list.append(CspList::parse(
c,
PolicySource::Header,
PolicyDisposition::Enforce,
));
}
Some(csp_list)
}
/// Get the [base url](https://html.spec.whatwg.org/multipage/#api-base-url)
/// for this global scope.
pub(crate) fn api_base_url(&self) -> ServoUrl {
@ -3089,10 +3112,10 @@ impl GlobalScope {
/// <https://www.w3.org/TR/CSP/#get-csp-of-object>
pub(crate) fn get_csp_list(&self) -> Option<CspList> {
if self.downcast::<Window>().is_some() {
if self.downcast::<Window>().is_some() || self.downcast::<WorkerGlobalScope>().is_some() {
return self.policy_container().csp_list;
}
// TODO: Worker and Worklet global scopes.
// TODO: Worklet global scopes.
None
}