ladybird/Libraries/LibWeb/DOM/DocumentLoading.h
Luke Wilde cae0ab2139 LibWeb: Make PolicyContainer GC allocated
This is required to store Content Security Policies, as their
Directives are implemented as subclasses with overridden virtual
functions. Thus, they cannot be stored as generic Directive classes, as
it'll lose the ability to call overridden functions when they are
copied.
2025-02-21 12:43:48 +00:00

88 lines
3.7 KiB
C++

/*
* Copyright (c) 2020, Andreas Kling <andreas@ladybird.org>
* Copyright (c) 2023, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/DOM/Document.h>
#include <LibWeb/Fetch/Infrastructure/HTTP/Responses.h>
namespace Web {
bool build_xml_document(DOM::Document& document, ByteBuffer const& data, Optional<String> content_encoding);
GC::Ptr<DOM::Document> load_document(HTML::NavigationParams const& navigation_params);
bool can_load_document_with_type(MimeSniff::MimeType const&);
// https://html.spec.whatwg.org/multipage/document-lifecycle.html#read-ua-inline
template<typename MutateDocument>
GC::Ref<DOM::Document> create_document_for_inline_content(GC::Ptr<HTML::Navigable> navigable, Optional<String> navigation_id, HTML::UserNavigationInvolvement user_involvement, MutateDocument mutate_document)
{
auto& vm = navigable->vm();
VERIFY(navigable->active_document());
auto& realm = navigable->active_document()->realm();
// 1. Let origin be a new opaque origin.
URL::Origin origin {};
// 2. Let coop be a new opener policy.
auto coop = HTML::OpenerPolicy {};
// 3. Let coopEnforcementResult be a new opener policy enforcement result with
// url: response's URL
// origin: origin
// opener policy: coop
HTML::OpenerPolicyEnforcementResult coop_enforcement_result {
.url = URL::about_error(), // AD-HOC
.origin = origin,
.opener_policy = coop
};
// 4. Let navigationParams be a new navigation params with
// id: navigationId
// navigable: navigable
// request: null
// response: a new response
// origin: origin
// fetch controller: null
// commit early hints: null
// COOP enforcement result: coopEnforcementResult
// reserved environment: null
// policy container: a new policy container
// final sandboxing flag set: an empty set
// opener policy: coop
// FIXME: navigation timing type: navTimingType
// about base URL: null
// user involvement: userInvolvement
auto response = Fetch::Infrastructure::Response::create(vm);
response->url_list().append(URL::about_error()); // AD-HOC: https://github.com/whatwg/html/issues/9122
auto navigation_params = vm.heap().allocate<HTML::NavigationParams>();
navigation_params->id = navigation_id;
navigation_params->navigable = navigable;
navigation_params->request = nullptr;
navigation_params->response = response;
navigation_params->fetch_controller = nullptr;
navigation_params->commit_early_hints = nullptr;
navigation_params->coop_enforcement_result = move(coop_enforcement_result);
navigation_params->reserved_environment = {};
navigation_params->origin = move(origin);
navigation_params->policy_container = vm.heap().allocate<HTML::PolicyContainer>(realm);
navigation_params->final_sandboxing_flag_set = HTML::SandboxingFlagSet {};
navigation_params->opener_policy = move(coop);
navigation_params->about_base_url = {};
navigation_params->user_involvement = user_involvement;
// 5. Let document be the result of creating and initializing a Document object given "html", "text/html", and navigationParams.
auto document = DOM::Document::create_and_initialize(DOM::Document::Type::HTML, "text/html"_string, navigation_params).release_value_but_fixme_should_propagate_errors();
// 6. Either associate document with a custom rendering that is not rendered using the normal Document rendering rules, or mutate document until it represents the content the
// user agent wants to render.
mutate_document(*document);
// 7. Return document.
return document;
}
}