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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* 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 "jsapi.h"
#include "jswrapper.h"
#include "jsatominlines.h"
using namespace js;
static void
ReportUnwrapDenied(JSContext *cx)
{
JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr, JSMSG_UNWRAP_DENIED);
}
template <class Base>
bool
SecurityWrapper<Base>::enter(JSContext* cx, HandleObject wrapper, HandleId id,
Wrapper::Action act, bool* bp) const
{
ReportUnwrapDenied(cx);
*bp = false;
return false;
}
template <class Base>
bool
SecurityWrapper<Base>::nativeCall(JSContext* cx, IsAcceptableThis test, NativeImpl impl,
const CallArgs& args) const
{
ReportUnwrapDenied(cx);
return false;
}
template <class Base>
bool
SecurityWrapper<Base>::setPrototype(JSContext* cx, HandleObject wrapper, HandleObject proto,
ObjectOpResult& result) const
{
ReportUnwrapDenied(cx);
return false;
}
template <class Base>
bool
SecurityWrapper<Base>::setImmutablePrototype(JSContext* cx, HandleObject wrapper,
bool* succeeded) const
{
ReportUnwrapDenied(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 ReportUnwrapDenied(cx), but bug 849730 disagrees. :-(
*answer = JS::IsArrayAnswer::NotArray;
return true;
}
template <class Base>
bool
SecurityWrapper<Base>::regexp_toShared(JSContext* cx, HandleObject obj, RegExpGuard* g) const
{
return Base::regexp_toShared(cx, obj, g);
}
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.getter() || desc.setter()) {
RootedValue idVal(cx, IdToValue(id));
JSString* str = ValueToSource(cx, idVal);
if (!str)
return false;
AutoStableStringChars chars(cx);
const char16_t* prop = nullptr;
if (str->ensureFlat(cx) && chars.initTwoByte(cx, str))
prop = chars.twoByteChars();
JS_ReportErrorNumberUC(cx, GetErrorMessage, nullptr,
JSMSG_ACCESSOR_DEF_DENIED, prop);
return false;
}
return Base::defineProperty(cx, wrapper, id, desc, result);
}
template class js::SecurityWrapper<Wrapper>;
template class js::SecurityWrapper<CrossCompartmentWrapper>;
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