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.
This commit is contained in:
Luke Wilde 2024-11-25 14:30:12 +00:00 committed by Sam Atkins
commit cae0ab2139
Notes: github-actions[bot] 2025-02-21 12:55:13 +00:00
43 changed files with 381 additions and 130 deletions

View file

@ -1,7 +1,7 @@
/*
* Copyright (c) 2018-2024, Andreas Kling <andreas@ladybird.org>
* Copyright (c) 2021-2023, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2021-2023, Luke Wilde <lukew@serenityos.org>
* Copyright (c) 2021-2025, Luke Wilde <luke@ladybird.org>
* Copyright (c) 2021-2024, Sam Atkins <sam@ladybird.org>
* Copyright (c) 2024, Matthew Olsson <mattco@serenityos.org>
* Copyright (c) 2025, Jelle Raaijmakers <jelle@ladybird.org>
@ -118,6 +118,7 @@
#include <LibWeb/HTML/NavigationParams.h>
#include <LibWeb/HTML/Numbers.h>
#include <LibWeb/HTML/Parser/HTMLParser.h>
#include <LibWeb/HTML/PolicyContainers.h>
#include <LibWeb/HTML/PopStateEvent.h>
#include <LibWeb/HTML/Scripting/Agent.h>
#include <LibWeb/HTML/Scripting/ClassicScript.h>
@ -586,6 +587,7 @@ void Document::visit_edges(Cell::Visitor& visitor)
visitor.visit(m_local_storage_holder);
visitor.visit(m_session_storage_holder);
visitor.visit(m_render_blocking_elements);
visitor.visit(m_policy_container);
}
// https://w3c.github.io/selection-api/#dom-document-getselection
@ -3705,39 +3707,46 @@ void Document::set_active_sandboxing_flag_set(HTML::SandboxingFlagSet sandboxing
m_active_sandboxing_flag_set = sandboxing_flag_set;
}
HTML::PolicyContainer Document::policy_container() const
GC::Ref<HTML::PolicyContainer> Document::policy_container() const
{
return m_policy_container;
auto& realm = this->realm();
if (!m_policy_container) {
m_policy_container = realm.create<HTML::PolicyContainer>(realm);
}
return *m_policy_container;
}
void Document::set_policy_container(HTML::PolicyContainer policy_container)
void Document::set_policy_container(GC::Ref<HTML::PolicyContainer> policy_container)
{
m_policy_container = move(policy_container);
m_policy_container = policy_container;
}
// https://html.spec.whatwg.org/multipage/browsing-the-web.html#snapshotting-source-snapshot-params
HTML::SourceSnapshotParams Document::snapshot_source_snapshot_params() const
GC::Ref<HTML::SourceSnapshotParams> Document::snapshot_source_snapshot_params() const
{
auto& realm = this->realm();
// To snapshot source snapshot params given a Document sourceDocument, return a new source snapshot params with
return realm.create<HTML::SourceSnapshotParams>(
// has transient activation
// true if sourceDocument's relevant global object has transient activation; otherwise false
as<HTML::Window>(HTML::relevant_global_object(*this)).has_transient_activation(),
// has transient activation
// true if sourceDocument's relevant global object has transient activation; otherwise false
// sandboxing flags
// sourceDocument's active sandboxing flag set
// allows downloading
// false if sourceDocument's active sandboxing flag set has the sandboxed downloads browsing context flag set; otherwise true
// fetch client
// sourceDocument's relevant settings object
// source policy container
// a clone of sourceDocument's policy container
// sandboxing flags
// sourceDocument's active sandboxing flag set
m_active_sandboxing_flag_set,
return HTML::SourceSnapshotParams {
.has_transient_activation = as<HTML::Window>(HTML::relevant_global_object(*this)).has_transient_activation(),
.sandboxing_flags = m_active_sandboxing_flag_set,
.allows_downloading = !has_flag(m_active_sandboxing_flag_set, HTML::SandboxingFlagSet::SandboxedDownloads),
.fetch_client = relevant_settings_object(),
.source_policy_container = m_policy_container
};
// allows downloading
// false if sourceDocument's active sandboxing flag set has the sandboxed downloads browsing context flag set; otherwise true
!has_flag(m_active_sandboxing_flag_set, HTML::SandboxingFlagSet::SandboxedDownloads),
// fetch client
// sourceDocument's relevant settings object
relevant_settings_object(),
// source policy container
// a clone of sourceDocument's policy container
policy_container()->clone(realm));
}
// https://html.spec.whatwg.org/multipage/document-sequences.html#descendant-navigables