org.glassfish.appclient.common.ClientClassLoaderDelegate Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of payara-micro Show documentation
Micro Distribution of the Payara Project for IBM JDK
There is a newer version: 4.1.2.181
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */
package org.glassfish.appclient.common;

import java.io.IOException;
import java.security.CodeSource;
import java.security.PermissionCollection;
import java.net.URLClassLoader;

import com.sun.enterprise.security.perms.SMGlobalPolicyUtil;
import com.sun.enterprise.security.integration.PermsHolder;

public class ClientClassLoaderDelegate {

    protected static final String PERMISSIONS_XML = "META-INF/permissions.xml";

    private URLClassLoader cl;
    
    private PermsHolder permHolder;

    public ClientClassLoaderDelegate(URLClassLoader cl) {
        this.cl = cl;
        loadPemissions();
    }
    
    
    private void loadPemissions() {
        try {
            processDeclaredPermissions();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
    
    private void processDeclaredPermissions() throws IOException  {

        if (System.getSecurityManager() == null)
            return;
        
        PermissionCollection declaredPermissionCollection = 
            PermissionsUtil.getClientDeclaredPermissions(cl);
        
        PermissionCollection eePc = PermissionsUtil.getClientEEPolicy(cl);
        PermissionCollection eeRestriction = PermissionsUtil.getClientRestrictPolicy(cl); 

        SMGlobalPolicyUtil.checkRestriction(eePc, eeRestriction);
        SMGlobalPolicyUtil.checkRestriction(declaredPermissionCollection, eeRestriction);
        
        permHolder = new PermsHolder(eePc, declaredPermissionCollection, eeRestriction);
        
    }    

    public PermissionCollection getCachedPerms(CodeSource codesource) {
        
        return permHolder.getCachedPerms(codesource);
    }
    
    public PermissionCollection getPermissions(CodeSource codesource, 
            PermissionCollection parentPC ) {

        return permHolder.getPermissions(codesource, parentPC);
    }

}