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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /js/xpconnect/wrappers/FilteringWrapper.h | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/xpconnect/wrappers/FilteringWrapper.h')
-rw-r--r-- | js/xpconnect/wrappers/FilteringWrapper.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/js/xpconnect/wrappers/FilteringWrapper.h b/js/xpconnect/wrappers/FilteringWrapper.h new file mode 100644 index 000000000..1e1691360 --- /dev/null +++ b/js/xpconnect/wrappers/FilteringWrapper.h @@ -0,0 +1,91 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* vim: set ts=8 sts=4 et sw=4 tw=99: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef __FilteringWrapper_h__ +#define __FilteringWrapper_h__ + +#include "XrayWrapper.h" +#include "mozilla/Attributes.h" +#include "jswrapper.h" +#include "js/CallNonGenericMethod.h" + +namespace JS { +class AutoIdVector; +} // namespace JS + +namespace xpc { + +template <typename Base, typename Policy> +class FilteringWrapper : public Base { + public: + constexpr explicit FilteringWrapper(unsigned flags) : Base(flags) {} + + virtual bool enter(JSContext* cx, JS::Handle<JSObject*> wrapper, JS::Handle<jsid> id, + js::Wrapper::Action act, bool* bp) const override; + + virtual bool getOwnPropertyDescriptor(JSContext* cx, JS::Handle<JSObject*> wrapper, + JS::Handle<jsid> id, + JS::MutableHandle<JS::PropertyDescriptor> desc) const override; + virtual bool ownPropertyKeys(JSContext* cx, JS::Handle<JSObject*> wrapper, + JS::AutoIdVector& props) const override; + + virtual bool getPropertyDescriptor(JSContext* cx, JS::Handle<JSObject*> wrapper, + JS::Handle<jsid> id, + JS::MutableHandle<JS::PropertyDescriptor> desc) const override; + virtual bool getOwnEnumerablePropertyKeys(JSContext* cx, JS::Handle<JSObject*> wrapper, + JS::AutoIdVector& props) const override; + virtual bool enumerate(JSContext* cx, JS::Handle<JSObject*> wrapper, + JS::MutableHandle<JSObject*> objp) const override; + + virtual bool call(JSContext* cx, JS::Handle<JSObject*> wrapper, + const JS::CallArgs& args) const override; + virtual bool construct(JSContext* cx, JS::Handle<JSObject*> wrapper, + const JS::CallArgs& args) const override; + + virtual bool nativeCall(JSContext* cx, JS::IsAcceptableThis test, JS::NativeImpl impl, + const JS::CallArgs& args) const override; + + virtual bool getPrototype(JSContext* cx, JS::HandleObject wrapper, + JS::MutableHandleObject protop) const override; + + static const FilteringWrapper singleton; +}; + +/* + * The HTML5 spec mandates very particular object behavior for cross-origin DOM + * objects (Window and Location), some of which runs contrary to the way that + * other XrayWrappers behave. We use this class to implement those semantics. + */ +class CrossOriginXrayWrapper : public SecurityXrayDOM { + public: + constexpr explicit CrossOriginXrayWrapper(unsigned flags) : + SecurityXrayDOM(flags) {} + + + virtual bool getOwnPropertyDescriptor(JSContext* cx, JS::Handle<JSObject*> wrapper, + JS::Handle<jsid> id, + JS::MutableHandle<JS::PropertyDescriptor> desc) const override; + virtual bool defineProperty(JSContext* cx, JS::Handle<JSObject*> wrapper, + JS::Handle<jsid> id, + JS::Handle<JS::PropertyDescriptor> desc, + JS::ObjectOpResult& result) const override; + virtual bool ownPropertyKeys(JSContext* cx, JS::Handle<JSObject*> wrapper, + JS::AutoIdVector& props) const override; + virtual bool delete_(JSContext* cx, JS::Handle<JSObject*> wrapper, + JS::Handle<jsid> id, JS::ObjectOpResult& result) const override; + + virtual bool getPropertyDescriptor(JSContext* cx, JS::Handle<JSObject*> wrapper, + JS::Handle<jsid> id, + JS::MutableHandle<JS::PropertyDescriptor> desc) const override; +}; + +// Check whether the given jsid is a symbol whose value can be gotten +// cross-origin. Cross-origin gets always return undefined as the value. +bool IsCrossOriginWhitelistedSymbol(JSContext* cx, JS::HandleId id); + +} // namespace xpc + +#endif /* __FilteringWrapper_h__ */ |