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Implement all trusted sinks in HTMLScriptElement (#36668)

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As a follow-up to the recent introduction of `script.src`
as trusted sink, this PR refactors machinery to also
support `TrustedScript`. In doing so, all trusted sinks
in `HTMLScriptElement` are now covered.

Instead of calling the callbacks in `policy.createX`,
we now have a `TrustedType` enum that specifies which callback
to invoke. Unfortunately we still have the `USVString` vs
`DOMString` problem, which is why we need to `.map` twice
to retrieve the backing `String` and avoid two different
types.

Additionally, I saw that `script.text` should have called
the "String replace all" algorithm rather than setting the
child contents. So that's also now fixed.

Part of #36258
Requires servo/html5ever#608

Signed-off-by: Tim van der Lippe <tvanderlippe@gmail.com>

Signed-off-by: Tim van der Lippe <tvanderlippe@gmail.com>
This commit is contained in:
Tim van der Lippe 2025-05-03 10:35:46 +02:00 • committed by GitHub
parent dd63325f50
commit 4164f76769
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20 changed files with 320 additions and 353 deletions
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29
components/script/dom/trustedscripturl.rs
View file

@ -7,10 +7,14 @@ use std::fmt;
use dom_struct::dom_struct;
use crate::dom::bindings::codegen::Bindings::TrustedScriptURLBinding::TrustedScriptURLMethods;
use crate::dom::bindings::codegen::UnionTypes::TrustedScriptURLOrUSVString;
use crate::dom::bindings::error::Fallible;
use crate::dom::bindings::reflector::{Reflector, reflect_dom_object};
use crate::dom::bindings::root::DomRoot;
use crate::dom::bindings::str::DOMString;
use crate::dom::globalscope::GlobalScope;
use crate::dom::trustedtypepolicy::TrustedType;
use crate::dom::trustedtypepolicyfactory::TrustedTypePolicyFactory;
use crate::script_runtime::CanGc;
#[dom_struct]
@ -32,6 +36,31 @@ impl TrustedScriptURL {
pub(crate) fn new(data: String, global: &GlobalScope, can_gc: CanGc) -> DomRoot<Self> {
reflect_dom_object(Box::new(Self::new_inherited(data)), global, can_gc)
}
pub(crate) fn get_trusted_script_url_compliant_string(
global: &GlobalScope,
value: TrustedScriptURLOrUSVString,
containing_class: &str,
field: &str,
can_gc: CanGc,
) -> Fallible<String> {
match value {
TrustedScriptURLOrUSVString::USVString(value) => {
let sink = format!("{} {}", containing_class, field);
TrustedTypePolicyFactory::get_trusted_type_compliant_string(
TrustedType::TrustedScriptURL,
global,
value.as_ref().to_owned(),
&sink,
"'script'",
can_gc,
)
},
TrustedScriptURLOrUSVString::TrustedScriptURL(trusted_script_url) => {
Ok(trusted_script_url.to_string())
},
}
}
}
impl fmt::Display for TrustedScriptURL {