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Java example source code file (Krb5Proxy.java)

This example Java source code file (Krb5Proxy.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

crypto, krb5proxy, loginexception, object, permission, principal, security, string, subject

The Krb5Proxy.java Java example source code

/*
 * Copyright (c) 2009, 2013, 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 sun.security.ssl;

import java.security.AccessControlContext;
import java.security.Permission;
import java.security.Principal;
import javax.crypto.SecretKey;
import javax.security.auth.Subject;
import javax.security.auth.login.LoginException;

/**
 * An interface to a subset of the Kerberos APIs to avoid a static dependency
 * on the types defined by these APIs.
 */
public interface Krb5Proxy {

    /**
     * Returns the Subject associated with the client-side of the SSL socket.
     */
    Subject getClientSubject(AccessControlContext acc) throws LoginException;

    /**
     * Returns the Subject associated with the server-side of the SSL socket.
     */
    Subject getServerSubject(AccessControlContext acc) throws LoginException;


    /**
     * Returns the Kerberos ServiceCreds for the default server-side principal.
     */
    Object getServiceCreds(AccessControlContext acc) throws LoginException;

    /**
     * Returns the server-side principal name associated with the KerberosKey.
     */
    String getServerPrincipalName(Object serviceCreds);

    /**
     * Returns the hostname embedded in the principal name.
     */
    String getPrincipalHostName(Principal principal);

    /**
     * Returns a ServicePermission for the principal name and action.
     */
    Permission getServicePermission(String principalName, String action);

    /**
     * Determines if the Subject might contain creds for princ.
     */
    boolean isRelated(Subject subject, Principal princ);
}

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