/*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions Copyright [year] [name of copyright owner]".
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*
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* Copyright 2006-2009 Sun Microsystems, Inc.
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* Portions Copyright 2011-2016 ForgeRock AS.
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*/
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package org.opends.server.extensions;
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import static org.opends.messages.ExtensionMessages.*;
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import static org.opends.messages.ProtocolMessages.*;
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import static org.opends.server.util.CollectionUtils.*;
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import static org.opends.server.util.ServerConstants.*;
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import org.forgerock.i18n.slf4j.LocalizedLogger;
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import org.forgerock.opendj.config.server.ConfigException;
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import org.forgerock.opendj.ldap.ByteString;
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import org.forgerock.opendj.ldap.DN;
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import org.forgerock.opendj.ldap.ResultCode;
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import org.forgerock.opendj.server.config.server.WhoAmIExtendedOperationHandlerCfg;
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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.controls.ProxiedAuthV1Control;
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import org.opends.server.controls.ProxiedAuthV2Control;
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import org.opends.server.core.AccessControlConfigManager;
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import org.opends.server.core.ExtendedOperation;
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import org.opends.server.types.*;
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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<WhoAmIExtendedOperationHandlerCfg>
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{
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private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
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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(newHashSet(OID_PROXIED_AUTH_V1, OID_PROXIED_AUTH_V2));
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}
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/** {@inheritDoc} */
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@Override
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public void initializeExtendedOperationHandler(
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WhoAmIExtendedOperationHandlerCfg config)
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throws ConfigException, InitializationException
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{
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super.initializeExtendedOperationHandler(config);
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}
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/** {@inheritDoc} */
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@Override
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public void processExtendedOperation(ExtendedOperation operation)
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{
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// Process any supported controls for this operation, including the
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// proxied authorization control.
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ClientConnection clientConnection = operation.getClientConnection();
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Entry authorizationEntry;
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try
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{
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ProxiedAuthV1Control proxyControlV1 =
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operation.getRequestControl(ProxiedAuthV1Control.DECODER);
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ProxiedAuthV2Control proxyControlV2 =
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operation.getRequestControl(ProxiedAuthV2Control.DECODER);
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if(proxyControlV1 != null || proxyControlV2 != null)
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{
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// The requester must have the PROXIED_AUTH privilege in order to be
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// able to use this control.
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if (! clientConnection.hasPrivilege(Privilege.PROXIED_AUTH,
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operation))
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{
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operation.appendErrorMessage(
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ERR_EXTOP_WHOAMI_PROXYAUTH_INSUFFICIENT_PRIVILEGES.get());
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operation.setResultCode(ResultCode.AUTHORIZATION_DENIED);
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return;
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}
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if(proxyControlV2 != null)
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{
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authorizationEntry = proxyControlV2.getAuthorizationEntry();
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}
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else
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{
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// Log usage of legacy proxy authz V1 control.
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operation.addAdditionalLogItem(AdditionalLogItem.keyOnly(getClass(),
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"obsoleteProxiedAuthzV1Control"));
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authorizationEntry = proxyControlV1.getAuthorizationEntry();
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}
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// Check the requester has the authz user in scope of their proxy aci.
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if (! AccessControlConfigManager.getInstance().getAccessControlHandler()
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.mayProxy(clientConnection.getAuthenticationInfo().getAuthenticationEntry(),
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authorizationEntry, operation))
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{
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final DN dn = authorizationEntry.getName();
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throw new DirectoryException(ResultCode.AUTHORIZATION_DENIED,
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ERR_PROXYAUTH_AUTHZ_NOT_PERMITTED.get(dn));
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}
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operation.setAuthorizationEntry(authorizationEntry);
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}
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}
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catch (DirectoryException de)
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{
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logger.traceException(de);
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operation.setResultCode(de.getResultCode());
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operation.appendErrorMessage(de.getMessageObject());
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return;
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}
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// Get the authorization DN for the operation and add it to the response
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// value.
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String authzID;
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DN authzDN = operation.getAuthorizationDN();
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if (authzDN == null)
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{
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authzID = "";
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}
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else
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{
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authzID = "dn:" + authzDN;
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}
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operation.setResponseValue(ByteString.valueOfUtf8(authzID));
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operation.addAdditionalLogItem(AdditionalLogItem.quotedKeyValue(
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getClass(), "authzID", authzID));
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operation.setResultCode(ResultCode.SUCCESS);
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}
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/** {@inheritDoc} */
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@Override
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public String getExtendedOperationOID()
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{
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return OID_WHO_AM_I_REQUEST;
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}
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/** {@inheritDoc} */
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@Override
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public String getExtendedOperationName()
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{
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return "Who Am I?";
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}
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}
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