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CallerPrincipalCallback.java
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CallerPrincipalCallback.java
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/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates and others.
* All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package jakarta.security.auth.message.callback;
import java.security.Principal;
import javax.security.auth.Subject;
import javax.security.auth.callback.Callback;
/**
* Callback for setting the container's caller (or remote user) principal.
*
* <p>
* This callback is intended to be called by a <code>serverAuthModule</code> during its <code>validateRequest</code>
* processing.
*
*/
public class CallerPrincipalCallback implements Callback {
private Subject subject;
private Principal principal;
private String name;
/**
* Create a CallerPrincipalCallback to set the container's representation of the caller principal
*
* <p>
* The CallbackHandler must use the argument <code>Principal</code> to establish the caller principal associated with
* the invocation being processed by the container. When the argument <code>Principal</code> is null, the handler must
* establish the container's representation of the unauthenticated caller principal.
*
* <p>
* The handler may perform principal mapping of non-null argument <code>Principal</code> values, but it must be possible
* to configure the handler such that it establishes the non-null argument <code>Principal</code> as the caller
* principal.
*
* @param subject The Subject in which the container will distinguish the caller identity.
*
* @param principal The Principal that will be distinguished as the caller principal. This value may be null.
*/
public CallerPrincipalCallback(Subject subject, Principal principal) {
this.subject = subject;
this.principal = principal;
}
/**
* Create a CallerPrincipalCallback to set the container's representation of the caller principal.
*
* <p>
* The CallbackHandler must use the <code>name</code> argument to establish the caller principal associated with the
* invocation being processed by the container. When the <code>name</code> argument is null, the handler must establish
* the container's representation of the unauthenticated caller principal (which may or may not be equal to null,
* depending on the requirements of the container type).
*
* <p>
* The handler may perform principal mapping of non-null values of <code>name</code>, but it must be possible to
* configure the handler such that it establishes the non-null argument value as the value returned when
* <code>getName</code> is called on the established principal.
*
* @param subject The Subject in which the container will distinguish the caller identity.
*
* @param name The String value that will be returned when <code>getName()</code> is called on the principal established
* as the caller principal or null.
*/
public CallerPrincipalCallback(Subject subject, String name) {
this.subject = subject;
this.name = name;
}
/**
* Get the Subject in which the handler will distinguish the caller principal
*
* @return The subject.
*/
public Subject getSubject() {
return subject;
}
/**
* Get the caller principal.
*
* <p>
* When the values returned by this method and the getName methods are null, the handler must establish the container's
* representation of the unauthenticated caller principal within the Subject.
*
* @return The principal or null.
*/
public Principal getPrincipal() {
return principal;
}
/**
* Get the caller principal name.
*
* <p>
* When the values returned by this method and the getPrincipal methods are null, the handler must establish the
* container's representation of the unauthenticated caller principal within the Subject.
*
* @return The principal name or null.
*/
public String getName() {
return name;
}
}