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