--- old/src/share/classes/com/sun/script/javascript/RhinoClassShutter.java 2013-05-13 17:34:41.376464603 +0530 +++ /dev/null 2013-05-13 10:23:43.712076701 +0530 @@ -1,75 +0,0 @@ -/* - * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -package com.sun.script.javascript; - -import java.util.*; -import sun.org.mozilla.javascript.internal.*; - -/** - * This class prevents script access to certain sensitive classes. - * Note that this class checks over and above SecurityManager. i.e., although - * a SecurityManager would pass, class shutter may still prevent access. - * - * @author A. Sundararajan - * @since 1.6 - */ -final class RhinoClassShutter implements ClassShutter { - private static Map protectedClasses; - private static RhinoClassShutter theInstance; - - private RhinoClassShutter() { - } - - static synchronized ClassShutter getInstance() { - if (theInstance == null) { - theInstance = new RhinoClassShutter(); - protectedClasses = new HashMap(); - - // For now, we just have AccessController. Allowing scripts - // to this class will allow it to execute doPrivileged in - // bootstrap context. We can add more classes for other reasons. - protectedClasses.put("java.security.AccessController", Boolean.TRUE); - } - return theInstance; - } - - public boolean visibleToScripts(String fullClassName) { - // first do the security check. - SecurityManager sm = System.getSecurityManager(); - if (sm != null) { - int i = fullClassName.lastIndexOf("."); - if (i != -1) { - try { - sm.checkPackageAccess(fullClassName.substring(0, i)); - } catch (SecurityException se) { - return false; - } - } - } - // now, check is it a protected class. - return protectedClasses.get(fullClassName) == null; - } -}