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61 lines
2.7 KiB
C++
61 lines
2.7 KiB
C++
/*
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* Copyright (c) 2024, Luke Wilde <luke@ladybird.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/ContentSecurityPolicy/Directives/DirectiveOperations.h>
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#include <LibWeb/ContentSecurityPolicy/Directives/Names.h>
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#include <LibWeb/ContentSecurityPolicy/Directives/ObjectSourceDirective.h>
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#include <LibWeb/Fetch/Infrastructure/HTTP/Requests.h>
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namespace Web::ContentSecurityPolicy::Directives {
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GC_DEFINE_ALLOCATOR(ObjectSourceDirective);
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ObjectSourceDirective::ObjectSourceDirective(String name, Vector<String> value)
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: Directive(move(name), move(value))
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{
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}
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// https://w3c.github.io/webappsec-csp/#object-src-pre-request
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Directive::Result ObjectSourceDirective::pre_request_check(GC::Heap&, GC::Ref<Fetch::Infrastructure::Request const> request, GC::Ref<Policy const> policy) const
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{
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// 1. Let name be the result of executing § 6.8.1 Get the effective directive for request on request.
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auto name = get_the_effective_directive_for_request(request);
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// 2. If the result of executing § 6.8.4 Should fetch directive execute on name, object-src and policy is "No",
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// return "Allowed".
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if (should_fetch_directive_execute(name, Names::ObjectSrc, policy) == ShouldExecute::No)
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return Result::Allowed;
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// 3. If the result of executing § 6.7.2.5 Does request match source list? on request, this directive’s value,
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// and policy, is "Does Not Match", return "Blocked".
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if (does_request_match_source_list(request, value(), policy) == MatchResult::DoesNotMatch)
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return Result::Blocked;
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// 4. Return "Allowed".
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return Result::Allowed;
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}
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// https://w3c.github.io/webappsec-csp/#object-src-post-request
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Directive::Result ObjectSourceDirective::post_request_check(GC::Heap&, GC::Ref<Fetch::Infrastructure::Request const> request, GC::Ref<Fetch::Infrastructure::Response const> response, GC::Ref<Policy const> policy) const
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{
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// 1. Let name be the result of executing § 6.8.1 Get the effective directive for request on request.
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auto name = get_the_effective_directive_for_request(request);
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// 2. If the result of executing § 6.8.4 Should fetch directive execute on name, object-src and policy is "No",
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// return "Allowed".
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if (should_fetch_directive_execute(name, Names::ObjectSrc, policy) == ShouldExecute::No)
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return Result::Allowed;
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// 3. If the result of executing § 6.7.2.6 Does response to request match source list? on response, request, this
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// directive’s value, and policy, is "Does Not Match", return "Blocked".
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if (does_response_match_source_list(response, request, value(), policy) == MatchResult::DoesNotMatch)
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return Result::Blocked;
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// 4. Return "Allowed".
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return Result::Allowed;
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}
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}
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