C++ (Cpp) JSSecurityCallbacks::checkObjectAccess示例

示例#1

文件： XPCSafeJSObjectWrapper.cpp 项目： lofter2011/Icefox

static JSBool
XPC_SJOW_CheckAccess(JSContext *cx, JSObject *obj, jsid id,
                     JSAccessMode mode, jsval *vp)
{
  // Prevent setting __proto__ on an XPCSafeJSObjectWrapper
  if ((mode & JSACC_WATCH) == JSACC_PROTO && (mode & JSACC_WRITE)) {
    return ThrowException(NS_ERROR_XPC_SECURITY_MANAGER_VETO, cx);
  }

  // Forward to the checkObjectAccess hook in the runtime, if any.
  JSSecurityCallbacks *callbacks = JS_GetSecurityCallbacks(cx);
  if (callbacks && callbacks->checkObjectAccess &&
      !callbacks->checkObjectAccess(cx, obj, id, mode, vp)) {
    return JS_FALSE;
  }

  JSObject *unsafeObj = GetUnsafeObject(cx, obj);
  if (!unsafeObj) {
    return JS_TRUE;
  }

  // Forward the unsafe object to the checkObjectAccess hook in the
  // runtime too, if any.
  if (callbacks && callbacks->checkObjectAccess &&
      !callbacks->checkObjectAccess(cx, unsafeObj, id, mode, vp)) {
    return JS_FALSE;
  }

  JSClass *clazz = unsafeObj->getJSClass();
  return !clazz->checkAccess ||
    clazz->checkAccess(cx, unsafeObj, id, mode, vp);
}

示例#2

文件： wrapper.cpp 项目： 8planes/mirosubs-jetpack

static JSBool
checkAccess(JSContext *cx, JSObject *obj, jsid id, JSAccessMode mode,
            jsval *vp)
{
  // Forward to the checkObjectAccess hook in the runtime, if any.
  JSSecurityCallbacks *callbacks = JS_GetSecurityCallbacks(cx);
  if (callbacks && callbacks->checkObjectAccess)
    return callbacks->checkObjectAccess(cx, obj, id, mode, vp);
  JS_ReportError(cx, "Security callbacks not defined");
  return JS_FALSE;
}