ladybird/Libraries/LibWeb/ContentSecurityPolicy/Directives/DirectiveOperations.h

/*
 * Copyright (c) 2025, Luke Wilde <luke@ladybird.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

#include <AK/StringView.h>
#include <LibGC/Ptr.h>
#include <LibURL/Forward.h>
#include <LibWeb/ContentSecurityPolicy/Directives/Directive.h>
#include <LibWeb/Forward.h>

namespace Web::ContentSecurityPolicy::Directives {

enum class [[nodiscard]] ShouldExecute {
    No,
    Yes,
};

enum class [[nodiscard]] MatchResult {
    DoesNotMatch,
    Matches,
};

[[nodiscard]] Optional<FlyString> get_the_effective_directive_for_request(GC::Ref<Fetch::Infrastructure::Request const> request);
[[nodiscard]] Vector<StringView> get_fetch_directive_fallback_list(Optional<FlyString> directive_name);
ShouldExecute should_fetch_directive_execute(Optional<FlyString> effective_directive_name, FlyString const& directive_name, GC::Ref<Policy const> policy);

[[nodiscard]] FlyString get_the_effective_directive_for_inline_checks(Directive::InlineType type);

MatchResult does_url_match_expression_in_origin_with_redirect_count(URL::URL const& url, String const& expression, URL::Origin const& origin, u8 redirect_count);
MatchResult does_url_match_source_list_in_origin_with_redirect_count(URL::URL const& url, Vector<String> const& source_list, URL::Origin const& origin, u8 redirect_count);

MatchResult does_request_match_source_list(GC::Ref<Fetch::Infrastructure::Request const> request, Vector<String> const& source_list, GC::Ref<Policy const> policy);
MatchResult does_response_match_source_list(GC::Ref<Fetch::Infrastructure::Response const> response, GC::Ref<Fetch::Infrastructure::Request const> request, Vector<String> const& source_list, GC::Ref<Policy const> policy);
MatchResult does_nonce_match_source_list(String const& nonce, Vector<String> const& source_list);

Directive::Result script_directives_pre_request_check(GC::Ref<Fetch::Infrastructure::Request const> request, GC::Ref<Directive const> directive, GC::Ref<Policy const> policy);
Directive::Result script_directives_post_request_check(GC::Ref<Fetch::Infrastructure::Request const> request, GC::Ref<Fetch::Infrastructure::Response const> response, GC::Ref<Directive const> directive, GC::Ref<Policy const> policy);

MatchResult does_element_match_source_list_for_type_and_source(GC::Ptr<DOM::Element const> element, Vector<String> const& source_list, Directive::InlineType type, String const& source);

}