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https://github.com/LadybirdBrowser/ladybird.git
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2f96ef33fe
The fetch requests for web worker scripts should be treated as if they occurred in the caller global scope (which may be a Window) and not the new worker's global scope. The referrer-policy/4K WPT subtests, specifically those that test worker subresources, depend on this behavior to work correctly. This commit fixes many of these subtests, albeit via a hack where the serialized ESO's creation url is set to the caller's document URL.
81 lines
3.2 KiB
C++
81 lines
3.2 KiB
C++
/*
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* Copyright (c) 2023, Andrew Kaster <akaster@serenityos.org>
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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/MessagePort.h>
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#include <LibWeb/HTML/Window.h>
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#include <LibWeb/HTML/WorkerAgentParent.h>
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#include <LibWeb/Page/Page.h>
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#include <LibWeb/Worker/WebWorkerClient.h>
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namespace Web::HTML {
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GC_DEFINE_ALLOCATOR(WorkerAgentParent);
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WorkerAgentParent::WorkerAgentParent(URL::URL url, WorkerOptions const& options, GC::Ptr<MessagePort> outside_port, GC::Ref<EnvironmentSettingsObject> outside_settings, Bindings::AgentType agent_type)
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: m_worker_options(options)
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, m_agent_type(agent_type)
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, m_url(move(url))
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, m_outside_port(outside_port)
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, m_outside_settings(outside_settings)
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{
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}
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void WorkerAgentParent::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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m_message_port = MessagePort::create(realm);
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m_message_port->entangle_with(*m_outside_port);
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TransferDataEncoder data_holder;
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MUST(m_message_port->transfer_steps(data_holder));
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// FIXME: Specification says this supposed to happen in step 11 of onComplete handler defined in https://html.spec.whatwg.org/multipage/workers.html#run-a-worker
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// but that would require introducing a new IPC message type to communicate this from WebWorker to WebContent process,
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// so let's do it here for now.
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m_outside_port->start();
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// NOTE: This blocking IPC call may launch another process.
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// If spinning the event loop for this can cause other javascript to execute, we're in trouble.
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auto worker_socket_file = Bindings::principal_host_defined_page(realm).client().request_worker_agent(m_agent_type);
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auto worker_socket = MUST(Core::LocalSocket::adopt_fd(worker_socket_file.take_fd()));
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MUST(worker_socket->set_blocking(true));
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// TODO: Mach IPC
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auto transport = make<IPC::Transport>(move(worker_socket));
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m_worker_ipc = make_ref_counted<WebWorkerClient>(move(transport));
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setup_worker_ipc_callbacks(realm);
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auto serialized_outside_settings = m_outside_settings->serialize();
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Optional<URL::URL> document_url_if_started_by_window_fixme;
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if (auto* window = as_if<HTML::Window>(m_outside_settings->realm().global_object()))
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document_url_if_started_by_window_fixme = window->associated_document().url();
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m_worker_ipc->async_start_worker(m_url, m_worker_options.type, m_worker_options.credentials, m_worker_options.name, move(data_holder), serialized_outside_settings, m_agent_type, document_url_if_started_by_window_fixme);
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}
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void WorkerAgentParent::setup_worker_ipc_callbacks(JS::Realm& realm)
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{
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// NOTE: As long as WorkerAgentParent is alive, realm and m_worker_ipc will be alive.
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m_worker_ipc->on_request_cookie = [realm = GC::RawRef { realm }](URL::URL const& url, Cookie::Source source) {
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auto& client = Bindings::principal_host_defined_page(realm).client();
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return client.page_did_request_cookie(url, source);
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};
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}
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void WorkerAgentParent::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_message_port);
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visitor.visit(m_outside_port);
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visitor.visit(m_outside_settings);
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}
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}
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