81 lines
2.8 KiB
Java
81 lines
2.8 KiB
Java
/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Rhino code, released
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* May 6, 1999.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1997-1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Norris Boyd
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* Igor Bukanov
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*
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* Alternatively, the contents of this file may be used under the terms of
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* the GNU General Public License Version 2 or later (the "GPL"), in which
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* case the provisions of the GPL are applicable instead of those above. If
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* you wish to allow use of your version of this file only under the terms of
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* the GPL and not to allow others to use your version of this file under the
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* MPL, indicate your decision by deleting the provisions above and replacing
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* them with the notice and other provisions required by the GPL. If you do
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* not delete the provisions above, a recipient may use your version of this
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* file under either the MPL or the GPL.
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*
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* ***** END LICENSE BLOCK ***** */
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package org.mozilla.javascript;
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import java.security.AccessController;
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import java.security.PrivilegedAction;
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import java.security.ProtectionDomain;
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/**
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* @author Attila Szegedi
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*/
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public class SecurityUtilities
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{
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/**
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* Retrieves a system property within a privileged block. Use it only when
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* the property is used from within Rhino code and is not passed out of it.
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* @param name the name of the system property
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* @return the value of the system property
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*/
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public static String getSystemProperty(final String name)
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{
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return (String)AccessController.doPrivileged(
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new PrivilegedAction<Object>()
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{
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public Object run()
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{
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return System.getProperty(name);
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}
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});
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}
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public static ProtectionDomain getProtectionDomain(final Class<?> clazz)
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{
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return (ProtectionDomain)AccessController.doPrivileged(
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new PrivilegedAction<Object>()
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{
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public Object run()
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{
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return clazz.getProtectionDomain();
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}
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});
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}
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}
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