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https://github.com/LadybirdBrowser/ladybird.git
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d08d6b08d3
Our currently implementation of structured serialization has a design flaw, where if the serialized/transferred type was not used in the destination realm, it would not be seen as exposed and thus we would not re-create the type on the other side. This is very common, for example, transferring a MessagePort to a just inserted iframe, or the just inserted iframe transferring a MessagePort to it's parent. This is what Google reCAPTCHA does. This flaw occurred due to relying on lazily populated HashMaps of constructors, namespaces and interfaces. This commit changes it so that per-type "is exposed" implementations are generated. Since it no longer relies on interface name strings, this commit changes serializable types to indicate their type with an enum, in line with how transferrable types indicate their type. This makes Google reCAPTCHA work on https://www.google.com/recaptcha/api2/demo It currently doesn't work on non-Google origins due to a separate same-origin policy bug.
64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
/*
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* Copyright (c) 2023, Bastiaan van der Plaat <bastiaan.v.d.plaat@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibWeb/Bindings/PlatformObject.h>
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#include <LibWeb/Geometry/DOMPoint.h>
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#include <LibWeb/Geometry/DOMRect.h>
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#include <LibWeb/Geometry/DOMRectReadOnly.h>
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namespace Web::Geometry {
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// https://drafts.fxtf.org/geometry/#dictdef-domquadinit
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struct DOMQuadInit {
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DOMPointInit p1;
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DOMPointInit p2;
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DOMPointInit p3;
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DOMPointInit p4;
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};
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// https://drafts.fxtf.org/geometry/#domquad
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class DOMQuad
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: public Bindings::PlatformObject
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, public Bindings::Serializable {
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WEB_PLATFORM_OBJECT(DOMQuad, Bindings::PlatformObject);
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GC_DECLARE_ALLOCATOR(DOMQuad);
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public:
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static GC::Ref<DOMQuad> construct_impl(JS::Realm&, DOMPointInit const& p1, DOMPointInit const& p2, DOMPointInit const& p3, DOMPointInit const& p4);
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static GC::Ref<DOMQuad> create(JS::Realm& realm);
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virtual ~DOMQuad() override;
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static GC::Ref<DOMQuad> from_rect(JS::VM&, DOMRectInit const&);
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static GC::Ref<DOMQuad> from_quad(JS::VM&, DOMQuadInit const&);
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GC::Ref<DOMPoint> p1() const { return m_p1; }
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GC::Ref<DOMPoint> p2() const { return m_p2; }
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GC::Ref<DOMPoint> p3() const { return m_p3; }
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GC::Ref<DOMPoint> p4() const { return m_p4; }
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GC::Ref<DOMRect> get_bounds() const;
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virtual HTML::SerializeType serialize_type() const override { return HTML::SerializeType::DOMQuad; }
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virtual WebIDL::ExceptionOr<void> serialization_steps(HTML::SerializationRecord&, bool for_storage, HTML::SerializationMemory&) override;
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virtual WebIDL::ExceptionOr<void> deserialization_steps(ReadonlySpan<u32> const&, size_t& position, HTML::DeserializationMemory&) override;
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private:
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DOMQuad(JS::Realm&, DOMPointInit const& p1, DOMPointInit const& p2, DOMPointInit const& p3, DOMPointInit const& p4);
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explicit DOMQuad(JS::Realm&);
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) override;
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GC::Ref<DOMPoint> m_p1;
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GC::Ref<DOMPoint> m_p2;
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GC::Ref<DOMPoint> m_p3;
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GC::Ref<DOMPoint> m_p4;
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};
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}
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