/* * Copyright (c) 2024, Luke Wilde * * SPDX-License-Identifier: BSD-2-Clause */ #include #include #include #include namespace Web::ContentSecurityPolicy::Directives { GC_DEFINE_ALLOCATOR(StyleSourceAttributeDirective); StyleSourceAttributeDirective::StyleSourceAttributeDirective(String name, Vector value) : Directive(move(name), move(value)) { } // https://w3c.github.io/webappsec-csp/#style-src-attr-inline Directive::Result StyleSourceAttributeDirective::inline_check(GC::Heap&, GC::Ptr element, InlineType type, GC::Ref policy, String const& source) const { // 1. Let name be the result of executing § 6.8.2 Get the effective directive for inline checks on type. auto name = get_the_effective_directive_for_inline_checks(type); // 2. If the result of executing § 6.8.4 Should fetch directive execute on name, style-src-attr and policy is "No", // return "Allowed". if (should_fetch_directive_execute(name, Names::StyleSrcAttr, policy) == ShouldExecute::No) return Result::Allowed; // 3. If the result of executing § 6.7.3.3 Does element match source list for type and source? on element, this // directive’s value, type, and source, is "Does Not Match", return "Blocked". if (does_element_match_source_list_for_type_and_source(element, value(), type, source) == MatchResult::DoesNotMatch) return Result::Blocked; // 4. Return "Allowed". return Result::Allowed; } }