org.eclipse.jetty.server.UserIdentity Maven / Gradle / Ivy
//
// ========================================================================
// Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.server;
import java.security.Principal;
import java.util.Map;
import javax.security.auth.Subject;
/* ------------------------------------------------------------ */
/** User object that encapsulates user identity and operations such as run-as-role actions,
* checking isUserInRole and getUserPrincipal.
*
* Implementations of UserIdentity should be immutable so that they may be
* cached by Authenticators and LoginServices.
*
*/
public interface UserIdentity
{
/* ------------------------------------------------------------ */
/**
* @return The user subject
*/
Subject getSubject();
/* ------------------------------------------------------------ */
/**
* @return The user principal
*/
Principal getUserPrincipal();
/* ------------------------------------------------------------ */
/** Check if the user is in a role.
* This call is used to satisfy authorization calls from
* container code which will be using translated role names.
* @param role A role name.
* @param scope
* @return True if the user can act in that role.
*/
boolean isUserInRole(String role, Scope scope);
/* ------------------------------------------------------------ */
/**
* A UserIdentity Scope.
* A scope is the environment in which a User Identity is to
* be interpreted. Typically it is set by the target servlet of
* a request.
*/
interface Scope
{
/* ------------------------------------------------------------ */
/**
* @return The context path that the identity is being considered within
*/
String getContextPath();
/* ------------------------------------------------------------ */
/**
* @return The name of the identity context. Typically this is the servlet name.
*/
String getName();
/* ------------------------------------------------------------ */
/**
* @return A map of role reference names that converts from names used by application code
* to names used by the context deployment.
*/
Map getRoleRefMap();
}
/* ------------------------------------------------------------ */
public interface UnauthenticatedUserIdentity extends UserIdentity
{
}
/* ------------------------------------------------------------ */
public static final UserIdentity UNAUTHENTICATED_IDENTITY = new UnauthenticatedUserIdentity()
{
public Subject getSubject()
{
return null;
}
public Principal getUserPrincipal()
{
return null;
}
public boolean isUserInRole(String role, Scope scope)
{
return false;
}
@Override
public String toString()
{
return "UNAUTHENTICATED";
}
};
}
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