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 *
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 * 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.
 *
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// Portions Copyright [2018-2019] [Payara Foundation and/or its affiliates]
package com.sun.enterprise.security.ee;

import com.sun.enterprise.security.jacc.cache.CachedPermissionImpl;
import com.sun.enterprise.security.jacc.cache.PermissionCache;
import com.sun.enterprise.security.ssl.SSLUtils;
import java.net.SocketPermission;

import java.util.*;
// IASRI 4660742 START
// IASRI 4660742 END

/**
 * Java 2 security manager that enforces code security.
 * 
 * @author Harish Prabandham
 */
public class J2EESecurityManager extends java.rmi.RMISecurityManager {

    private CachedPermissionImpl connectPerm;

    private PermissionCache cache;

    private boolean cacheEnabled = false;

    public J2EESecurityManager() {
    }

    @Override
    public void checkAccess(ThreadGroup t) {
        super.checkAccess(t);
        checkPermission(new java.lang.RuntimePermission("modifyThreadGroup"));
    }

    @Override
    public void checkPackageAccess(final String pkgname) {
        // Remove this once 1.2.2 SecurityManager/ClassLoader bug is fixed.
        if (!pkgname.startsWith("sun."))
            super.checkPackageAccess(pkgname);
    }

    @Override
    public void checkExit(int status) {
        // Verify exit permission
        super.checkExit(status);
    }

    @Override
    public void checkConnect(String host, int port) {
        if (checkConnectPermission()) {
            return;
        }
        super.checkConnect(host, port);
    }

    @Override
    public void checkConnect(String host, int port, Object context) {
        if (checkConnectPermission()) {
            return;
        }
        super.checkConnect(host, port, context);
    }

    @Override
    public void checkPropertyAccess(String key) {
        if (checkProperty(key)) {
            return;
        }
        super.checkPropertyAccess(key);
    }

    private boolean checkConnectPermission() {
        if (cacheEnabled()) {
            return connectPerm.checkPermission();
        }
        return false;
    }

    private boolean checkProperty(String key) {
        if (key.equals("javax.net.ssl.keyStorePassword") || key.equals("javax.net.ssl.trustStorePassword")) {
            SSLUtils.checkPermission(key);
        }
        if (cacheEnabled()) {
            return cache.checkPermission(new PropertyPermission(key, "read"));
        }
        return false;
    }

    public synchronized boolean cacheEnabled() {
        return cacheEnabled;
    }

    public synchronized void enablePermissionCache(PermissionCache c) {
        if (c != null) {
            cache = c;
            connectPerm = new CachedPermissionImpl(cache, new SocketPermission("*", "connect"));
            cacheEnabled = true;
        }
    }

}