91 lines
4.2 KiB
C++
91 lines
4.2 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 __FilteringWrapper_h__
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#define __FilteringWrapper_h__
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#include "XrayWrapper.h"
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#include "mozilla/Attributes.h"
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#include "jswrapper.h"
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#include "js/CallNonGenericMethod.h"
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namespace JS {
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class AutoIdVector;
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} // namespace JS
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namespace xpc {
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template <typename Base, typename Policy>
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class FilteringWrapper : public Base {
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public:
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constexpr explicit FilteringWrapper(unsigned flags) : Base(flags) {}
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virtual bool enter(JSContext* cx, JS::Handle<JSObject*> wrapper, JS::Handle<jsid> id,
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js::Wrapper::Action act, bool* bp) const override;
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virtual bool getOwnPropertyDescriptor(JSContext* cx, JS::Handle<JSObject*> wrapper,
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JS::Handle<jsid> id,
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JS::MutableHandle<JS::PropertyDescriptor> desc) const override;
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virtual bool ownPropertyKeys(JSContext* cx, JS::Handle<JSObject*> wrapper,
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JS::AutoIdVector& props) const override;
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virtual bool getPropertyDescriptor(JSContext* cx, JS::Handle<JSObject*> wrapper,
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JS::Handle<jsid> id,
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JS::MutableHandle<JS::PropertyDescriptor> desc) const override;
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virtual bool getOwnEnumerablePropertyKeys(JSContext* cx, JS::Handle<JSObject*> wrapper,
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JS::AutoIdVector& props) const override;
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virtual bool enumerate(JSContext* cx, JS::Handle<JSObject*> wrapper,
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JS::MutableHandle<JSObject*> objp) const override;
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virtual bool call(JSContext* cx, JS::Handle<JSObject*> wrapper,
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const JS::CallArgs& args) const override;
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virtual bool construct(JSContext* cx, JS::Handle<JSObject*> wrapper,
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const JS::CallArgs& args) const override;
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virtual bool nativeCall(JSContext* cx, JS::IsAcceptableThis test, JS::NativeImpl impl,
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const JS::CallArgs& args) const override;
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virtual bool getPrototype(JSContext* cx, JS::HandleObject wrapper,
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JS::MutableHandleObject protop) const override;
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static const FilteringWrapper singleton;
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};
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/*
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* The HTML5 spec mandates very particular object behavior for cross-origin DOM
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* objects (Window and Location), some of which runs contrary to the way that
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* other XrayWrappers behave. We use this class to implement those semantics.
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*/
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class CrossOriginXrayWrapper : public SecurityXrayDOM {
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public:
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constexpr explicit CrossOriginXrayWrapper(unsigned flags) :
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SecurityXrayDOM(flags) {}
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virtual bool getOwnPropertyDescriptor(JSContext* cx, JS::Handle<JSObject*> wrapper,
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JS::Handle<jsid> id,
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JS::MutableHandle<JS::PropertyDescriptor> desc) const override;
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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 ownPropertyKeys(JSContext* cx, JS::Handle<JSObject*> wrapper,
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JS::AutoIdVector& props) const override;
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virtual bool delete_(JSContext* cx, JS::Handle<JSObject*> wrapper,
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JS::Handle<jsid> id, JS::ObjectOpResult& result) const override;
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virtual bool getPropertyDescriptor(JSContext* cx, JS::Handle<JSObject*> wrapper,
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JS::Handle<jsid> id,
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JS::MutableHandle<JS::PropertyDescriptor> desc) const override;
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};
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// Check whether the given jsid is a symbol whose value can be gotten
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// cross-origin. Cross-origin gets always return undefined as the value.
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bool IsCrossOriginWhitelistedSymbol(JSContext* cx, JS::HandleId id);
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} // namespace xpc
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#endif /* __FilteringWrapper_h__ */
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