43 lines
1.6 KiB
C++
43 lines
1.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef __ChromeObjectWrapper_h__
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#define __ChromeObjectWrapper_h__
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#include "mozilla/Attributes.h"
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#include "FilteringWrapper.h"
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namespace xpc {
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struct ExposedPropertiesOnly;
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// When a vanilla chrome JS object is exposed to content, we use a wrapper that
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// supports __exposedProps__ for legacy reasons. For extra security, we override
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// the traps that allow content to pass an object to chrome, and perform extra
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// security checks on them.
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#define ChromeObjectWrapperBase \
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FilteringWrapper<js::CrossCompartmentSecurityWrapper, ExposedPropertiesOnly>
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class ChromeObjectWrapper : public ChromeObjectWrapperBase
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{
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public:
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constexpr ChromeObjectWrapper() : ChromeObjectWrapperBase(0) {}
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virtual bool defineProperty(JSContext* cx, JS::Handle<JSObject*> wrapper,
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JS::Handle<jsid> id,
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JS::Handle<JS::PropertyDescriptor> desc,
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JS::ObjectOpResult& result) const override;
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virtual bool set(JSContext* cx, JS::HandleObject wrapper, JS::HandleId id,
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JS::HandleValue v, JS::HandleValue receiver,
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JS::ObjectOpResult& result) const override;
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static const ChromeObjectWrapper singleton;
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};
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} /* namespace xpc */
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#endif /* __ChromeObjectWrapper_h__ */
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