/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Portions Copyright 2006-2007 Sun Microsystems, Inc.
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*/
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package org.opends.server.extensions;
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import org.opends.server.api.ClientConnection;
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import org.opends.server.api.ExtendedOperationHandler;
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import org.opends.server.config.ConfigException;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.core.ExtendedOperation;
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import org.opends.server.protocols.asn1.ASN1OctetString;
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import org.opends.server.types.AuthenticationInfo;
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import org.opends.server.types.InitializationException;
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import org.opends.server.types.ResultCode;
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import static org.opends.server.messages.ExtensionsMessages.*;
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import static org.opends.server.messages.MessageHandler.*;
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import static org.opends.server.util.ServerConstants.*;
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import org.opends.server.admin.std.server.ExtendedOperationHandlerCfg;
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/**
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* This class implements the "Who Am I?" extended operation defined in RFC 4532.
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* It simply returns the authorized ID of the currently-authenticated user.
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*/
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public class WhoAmIExtendedOperation
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extends ExtendedOperationHandler<ExtendedOperationHandlerCfg>
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{
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/**
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* Create an instance of this "Who Am I?" extended operation. All
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* initialization should be performed in the
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* <CODE>initializeExtendedOperationHandler</CODE> method.
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*/
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public WhoAmIExtendedOperation()
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{
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super();
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}
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/**
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* Initializes this extended operation handler based on the information in the
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* provided configuration entry. It should also register itself with the
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* Directory Server for the particular kinds of extended operations that it
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* will process.
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*
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* @param config The configuration that contains the information
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* to use to initialize this extended operation handler.
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*
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* @throws ConfigException If an unrecoverable problem arises in the
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* process of performing the initialization.
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*
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* @throws InitializationException If a problem occurs during initialization
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* that is not related to the server
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* configuration.
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*/
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public void initializeExtendedOperationHandler(
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ExtendedOperationHandlerCfg config)
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throws ConfigException, InitializationException
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{
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// No special configuration is required.
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DirectoryServer.registerSupportedExtension(OID_WHO_AM_I_REQUEST, this);
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registerControlsAndFeatures();
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}
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/**
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* Performs any finalization that may be necessary for this extended
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* operation handler. By default, no finalization is performed.
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*/
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public void finalizeExtendedOperationHandler()
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{
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DirectoryServer.deregisterSupportedExtension(OID_WHO_AM_I_REQUEST);
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deregisterControlsAndFeatures();
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}
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/**
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* Processes the provided extended operation.
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*
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* @param operation The extended operation to be processed.
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*/
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public void processExtendedOperation(ExtendedOperation operation)
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{
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// Get the client connection and determine the DN of the user associated
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// with it.
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ClientConnection clientConnection = operation.getClientConnection();
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if (clientConnection == null)
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{
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// There is no client connection, so we can't make the determination.
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operation.setResultCode(ResultCode.UNWILLING_TO_PERFORM);
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int msgID = MSGID_EXTOP_WHOAMI_NO_CLIENT_CONNECTION;
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operation.appendErrorMessage(getMessage(msgID));
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return;
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}
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// Get the auth info from the client connection.
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AuthenticationInfo authInfo = clientConnection.getAuthenticationInfo();
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if ((authInfo == null) || (authInfo.getAuthenticationDN() == null))
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{
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// The user must not be authenticated, so we can send back an empty
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// response value.
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operation.setResultCode(ResultCode.SUCCESS);
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operation.setResponseValue(new ASN1OctetString());
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return;
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}
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// Get the DN of the authenticated user and put that in the response.
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// FIXME -- Do we need to support the use of an authorization ID that is
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// different from the authentication ID?
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operation.setResultCode(ResultCode.SUCCESS);
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operation.setResponseValue(new ASN1OctetString("dn:" +
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authInfo.getAuthenticationDN().toString()));
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}
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}
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