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LibWeb: Implement the CrossOriginSet AO

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Linus Groh 2022-03-05 22:57:33 +01:00
parent 245ec99813
commit c8a2fc09b8
1 changed files with 25 additions and 0 deletions
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25
Userland/Libraries/LibWeb/Bindings/CrossOriginAbstractOperations.cpp
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@ -195,4 +195,29 @@ JS::ThrowCompletionOr<JS::Value> cross_origin_get(JS::GlobalObject& global_objec
return JS::call(global_object, *getter, receiver);
}
// 7.2.3.6 CrossOriginSet ( O, P, V, Receiver ), https://html.spec.whatwg.org/multipage/browsers.html#crossoriginset-(-o,-p,-v,-receiver-)
JS::ThrowCompletionOr<bool> cross_origin_set(JS::GlobalObject& global_object, JS::Object& object, JS::PropertyKey const& property_key, JS::Value value, JS::Value receiver)
{
auto& vm = global_object.vm();
// 1. Let desc be ? O.[[GetOwnProperty]](P).
auto descriptor = TRY(object.internal_get_own_property(property_key));
// 2. Assert: desc is not undefined.
VERIFY(descriptor.has_value());
// 3. If desc.[[Set]] is present and its value is not undefined, then:
if (descriptor->set.has_value() && *descriptor->set) {
// FIXME: Spec issue, `setter` isn't being defined.
// 1. Perform ? Call(setter, Receiver, «V»).
TRY(JS::call(global_object, *descriptor->set, receiver, value));
// 2. Return true.
return true;
}
// 4. Throw a "SecurityError" DOMException.
return vm.throw_completion<DOMExceptionWrapper>(global_object, DOM::SecurityError::create(String::formatted("Can't set property '{}' on cross-origin object", property_key)));
}
}