diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/xpconnect/wrappers/ChromeObjectWrapper.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/xpconnect/wrappers/ChromeObjectWrapper.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/js/xpconnect/wrappers/ChromeObjectWrapper.h b/js/xpconnect/wrappers/ChromeObjectWrapper.h new file mode 100644 index 0000000000..49ce4fc139 --- /dev/null +++ b/js/xpconnect/wrappers/ChromeObjectWrapper.h @@ -0,0 +1,42 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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 __ChromeObjectWrapper_h__ +#define __ChromeObjectWrapper_h__ + +#include "mozilla/Attributes.h" + +#include "FilteringWrapper.h" + +namespace xpc { + +struct OpaqueWithSilentFailing; + +// When a vanilla chrome JS object is exposed to content, we use a wrapper that +// fails silently on GET, ENUMERATE, and GET_PROPERTY_DESCRIPTOR for legacy +// reasons. For extra security, we override the traps that allow content to pass +// an object to chrome, and perform extra security checks on them. +#define ChromeObjectWrapperBase \ + FilteringWrapper<js::CrossCompartmentSecurityWrapper, OpaqueWithSilentFailing> + +class ChromeObjectWrapper : public ChromeObjectWrapperBase { + public: + constexpr ChromeObjectWrapper() : ChromeObjectWrapperBase(0) {} + + 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 set(JSContext* cx, JS::HandleObject wrapper, JS::HandleId id, + JS::HandleValue v, JS::HandleValue receiver, + JS::ObjectOpResult& result) const override; + + static const ChromeObjectWrapper singleton; +}; + +} /* namespace xpc */ + +#endif /* __ChromeObjectWrapper_h__ */ |