1 files changed, 108 insertions, 0 deletions
diff --git a/js/src/proxy/SecurityWrapper.cpp b/js/src/proxy/SecurityWrapper.cpp
new file mode 100644
index 0000000000..6b308576fd
--- /dev/null
+++ b/js/src/proxy/SecurityWrapper.cpp
@@ -0,0 +1,108 @@
+/* -*- 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/. */
+
+#include "NamespaceImports.h"
+
+#include "js/friend/ErrorMessages.h"  // JSMSG_*
+#include "js/Wrapper.h"
+#include "vm/JSObject.h"
+#include "vm/StringType.h"
+
+using namespace js;
+
+template <class Base>
+bool SecurityWrapper<Base>::enter(JSContext* cx, HandleObject wrapper,
+                                  HandleId id, Wrapper::Action act,
+                                  bool mayThrow, bool* bp) const {
+  ReportAccessDenied(cx);
+  *bp = false;
+  return false;
+}
+
+template <class Base>
+bool SecurityWrapper<Base>::nativeCall(JSContext* cx, IsAcceptableThis test,
+                                       NativeImpl impl,
+                                       const CallArgs& args) const {
+  ReportAccessDenied(cx);
+  return false;
+}
+
+template <class Base>
+bool SecurityWrapper<Base>::setPrototype(JSContext* cx, HandleObject wrapper,
+                                         HandleObject proto,
+                                         ObjectOpResult& result) const {
+  ReportAccessDenied(cx);
+  return false;
+}
+
+template <class Base>
+bool SecurityWrapper<Base>::setImmutablePrototype(JSContext* cx,
+                                                  HandleObject wrapper,
+                                                  bool* succeeded) const {
+  ReportAccessDenied(cx);
+  return false;
+}
+
+template <class Base>
+bool SecurityWrapper<Base>::preventExtensions(JSContext* cx,
+                                              HandleObject wrapper,
+                                              ObjectOpResult& result) const {
+  // Just like BaseProxyHandler, SecurityWrappers claim by default to always
+  // be extensible, so as not to leak information about the state of the
+  // underlying wrapped thing.
+  return result.fail(JSMSG_CANT_CHANGE_EXTENSIBILITY);
+}
+
+template <class Base>
+bool SecurityWrapper<Base>::isExtensible(JSContext* cx, HandleObject wrapper,
+                                         bool* extensible) const {
+  // See above.
+  *extensible = true;
+  return true;
+}
+
+template <class Base>
+bool SecurityWrapper<Base>::getBuiltinClass(JSContext* cx, HandleObject wrapper,
+                                            ESClass* cls) const {
+  *cls = ESClass::Other;
+  return true;
+}
+
+template <class Base>
+bool SecurityWrapper<Base>::isArray(JSContext* cx, HandleObject obj,
+                                    JS::IsArrayAnswer* answer) const {
+  // This should ReportAccessDenied(cx), but bug 849730 disagrees.  :-(
+  *answer = JS::IsArrayAnswer::NotArray;
+  return true;
+}
+
+template <class Base>
+RegExpShared* SecurityWrapper<Base>::regexp_toShared(JSContext* cx,
+                                                     HandleObject obj) const {
+  return Base::regexp_toShared(cx, obj);
+}
+
+template <class Base>
+bool SecurityWrapper<Base>::boxedValue_unbox(JSContext* cx, HandleObject obj,
+                                             MutableHandleValue vp) const {
+  vp.setUndefined();
+  return true;
+}
+
+template <class Base>
+bool SecurityWrapper<Base>::defineProperty(JSContext* cx, HandleObject wrapper,
+                                           HandleId id,
+                                           Handle<PropertyDescriptor> desc,
+                                           ObjectOpResult& result) const {
+  if (desc.isAccessorDescriptor()) {
+    return Throw(cx, id, JSMSG_ACCESSOR_DEF_DENIED);
+  }
+
+  return Base::defineProperty(cx, wrapper, id, desc, result);
+}
+
+template class js::SecurityWrapper<Wrapper>;
+template class js::SecurityWrapper<CrossCompartmentWrapper>;