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Allow a null principal to subsumes others when appropriate (#34617)

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Signed-off-by: webbeef <me@webbeef.org>
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webbeef 2024-12-13 16:33:26 -08:00 • committed by GitHub
parent a85241e635
commit 41030ea9a5
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1 changed files with 17 additions and 9 deletions
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26
components/script/dom/bindings/principals.rs
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@ -191,14 +191,22 @@ unsafe extern "C" fn principals_is_system_or_addon_principal(_: *mut JSPrincipal
//TODO is same_origin_domain equivalent to subsumes for our purposes //TODO is same_origin_domain equivalent to subsumes for our purposes
pub unsafe extern "C" fn subsumes(obj: *mut JSPrincipals, other: *mut JSPrincipals) -> bool { pub unsafe extern "C" fn subsumes(obj: *mut JSPrincipals, other: *mut JSPrincipals) -> bool {
if let (Some(obj), Some(other)) = (NonNull::new(obj), NonNull::new(other)) { match (NonNull::new(obj), NonNull::new(other)) {
let obj = ServoJSPrincipalsRef::from_raw_nonnull(obj); (Some(obj), Some(other)) => {
let other = ServoJSPrincipalsRef::from_raw_nonnull(other); let obj = ServoJSPrincipalsRef::from_raw_nonnull(obj);
let obj_origin = obj.origin(); let other = ServoJSPrincipalsRef::from_raw_nonnull(other);
let other_origin = other.origin(); let obj_origin = obj.origin();
obj_origin.same_origin_domain(&other_origin) let other_origin = other.origin();
} else { obj_origin.same_origin_domain(&other_origin)
warn!("Received null JSPrincipals asrgument."); },
false (None, Some(_)) => {
// See https://github.com/servo/servo/issues/32999#issuecomment-2542522289 for why
// it's safe to consider the null principal here subsumes all others.
true
},
_ => {
warn!("Received null JSPrincipal argument.");
false
},
} }
} }