ladybird/Libraries/LibWeb/HTML/Scripting/WorkerEnvironmentSettingsObject.cpp
Shannon Booth e0d7278820 LibURL+LibWeb: Make URL::Origin default constructor private
Instead, porting over all users to use the newly created
Origin::create_opaque factory function. This also requires porting
over some users of Origin to avoid default construction.
2025-06-17 20:54:03 +02:00

94 lines
4.1 KiB
C++

/*
* Copyright (c) 2023, Andrew Kaster <akaster@serenityos.org>
* Copyright (c) 2024, Tim Ledbetter <timledbetter@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/PrincipalHostDefined.h>
#include <LibWeb/HTML/DedicatedWorkerGlobalScope.h>
#include <LibWeb/HTML/Scripting/WorkerEnvironmentSettingsObject.h>
#include <LibWeb/HTML/WorkerGlobalScope.h>
#include <LibWeb/HighResolutionTime/TimeOrigin.h>
namespace Web::HTML {
GC_DEFINE_ALLOCATOR(WorkerEnvironmentSettingsObject);
// https://html.spec.whatwg.org/multipage/workers.html#set-up-a-worker-environment-settings-object
GC::Ref<WorkerEnvironmentSettingsObject> WorkerEnvironmentSettingsObject::setup(GC::Ref<Page> page, NonnullOwnPtr<JS::ExecutionContext> execution_context, SerializedEnvironmentSettingsObject const& outside_settings, HighResolutionTime::DOMHighResTimeStamp unsafe_worker_creation_time)
{
// 1. Let inherited origin be outside settings's origin.
auto inherited_origin = outside_settings.origin;
// 2. Let realm be the value of execution context's Realm component.
auto realm = execution_context->realm;
VERIFY(realm);
// 3. Let worker global scope be realm's global object.
auto& worker = as<HTML::WorkerGlobalScope>(realm->global_object());
// 4. Let settings object be a new environment settings object whose algorithms are defined as follows:
// NOTE: See the functions defined for this class.
auto settings_object = realm->create<WorkerEnvironmentSettingsObject>(move(execution_context), worker, move(inherited_origin), unsafe_worker_creation_time);
settings_object->target_browsing_context = nullptr;
// FIXME: 5. Set settings object's id to a new unique opaque string, creation URL to worker global scope's url, top-level creation URL to null, target browsing context to null, and active service worker to null.
// 6. If worker global scope is a DedicatedWorkerGlobalScope object, then set settings object's top-level origin to outside settings's top-level origin.
if (is<DedicatedWorkerGlobalScope>(worker)) {
settings_object->top_level_origin = outside_settings.top_level_origin;
}
// FIXME: 7. Otherwise, set settings object's top-level origin to an implementation-defined value.
// 8. Set realm's [[HostDefined]] field to settings object.
auto intrinsics = realm->create<Bindings::Intrinsics>(*realm);
auto host_defined = make<Bindings::PrincipalHostDefined>(settings_object, intrinsics, page);
realm->set_host_defined(move(host_defined));
// Non-Standard: We cannot fully initialize worker object until *after* the we set up
// the realm's [[HostDefined]] internal slot as the internal slot contains the web platform intrinsics
worker.initialize_web_interfaces({});
// 9. Return settings object.
return settings_object;
}
URL::URL WorkerEnvironmentSettingsObject::api_base_url() const
{
// Return worker global scope's url.
return m_global_scope->url();
}
URL::Origin WorkerEnvironmentSettingsObject::origin() const
{
// Return a unique opaque origin if worker global scope's url's scheme is "data", and inherited origin otherwise.
if (m_global_scope->url().scheme() == "data")
return URL::Origin::create_opaque();
return m_origin;
}
GC::Ref<PolicyContainer> WorkerEnvironmentSettingsObject::policy_container() const
{
// Return worker global scope's policy container.
return m_global_scope->policy_container();
}
CanUseCrossOriginIsolatedAPIs WorkerEnvironmentSettingsObject::cross_origin_isolated_capability() const
{
// FIXME: Return worker global scope's cross-origin isolated capability.
return CanUseCrossOriginIsolatedAPIs::No;
}
double WorkerEnvironmentSettingsObject::time_origin() const
{
// Return the result of coarsening unsafeWorkerCreationTime with worker global scope's cross-origin isolated capability.
return HighResolutionTime::coarsen_time(m_unsafe_worker_creation_time, cross_origin_isolated_capability() == CanUseCrossOriginIsolatedAPIs::Yes);
}
void WorkerEnvironmentSettingsObject::visit_edges(JS::Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_global_scope);
}
}