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/*
* Copyright 2023 Ping Identity Corporation
* All Rights Reserved.
*/
/*
* Copyright 2023 Ping Identity Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Copyright (C) 2023 Ping Identity Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License (GPLv2 only)
* or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
* as published by the Free Software Foundation.
*
* This program 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see .
*/
package com.unboundid.ldap.sdk;
import java.util.ArrayList;
import java.util.List;
import com.unboundid.ldap.sdk.extensions.PasswordModifyExtendedRequest;
import com.unboundid.ldap.sdk.extensions.PasswordModifyExtendedResult;
import com.unboundid.util.Debug;
import com.unboundid.util.NotNull;
import com.unboundid.util.Nullable;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;
import static com.unboundid.ldap.sdk.LDAPMessages.*;
/**
* This class provides a set of utility methods for following referrals received
* in the course of processing operations.
*/
@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE)
public final class ReferralHelper
{
/**
* Prevent this utility class from being instantiated.
*/
private ReferralHelper()
{
// No implementation is required.
}
/**
* Attempts to handle a referral received while processing the provided add
* request.
*
* @param addRequest The add request for which the referral result was
* received. It must not be {@code null}.
* @param referralResult The LDAP result containing the referrals to follow.
* It must not be {@code null}.
* @param connection The connection on which the referral result was
* received. It must not be {@code null}.
*
* @return The result obtained while attempting to follow the referral, or
* the provided result if the referral could not be followed.
*/
@NotNull()
public static LDAPResult handleReferral(
@NotNull final AddRequest addRequest,
@NotNull final LDAPResult referralResult,
@NotNull final LDAPConnection connection)
{
// If we've exceeded the referral hop limit, then return a result indicating
// that the referral limit has been exceeded.
final int depth = addRequest.getReferralDepth();
if (depth > connection.getConnectionOptions().getReferralHopLimit())
{
return new LDAPResult(referralResult.getMessageID(),
ResultCode.REFERRAL_LIMIT_EXCEEDED,
ERR_REFERRAL_LIMIT_EXCEEDED.get(),
referralResult.getMatchedDN(),
referralResult.getReferralURLs(),
referralResult.getResponseControls());
}
// Get the connector to use when attempting to follow referrals, and check
// to see if it's a ReusableReferralConnector.
final ReusableReferralConnector reusableReferralConnector;
final ReferralConnector referralConnector =
addRequest.getReferralConnector(connection);
if (referralConnector instanceof ReusableReferralConnector)
{
reusableReferralConnector = (ReusableReferralConnector) referralConnector;
}
else
{
reusableReferralConnector = null;
}
// Iterate through the set of suitable URLs and use them to try to process
// the request.
for (final LDAPURL referralURL :
getReferralURLs(referralResult.getReferralURLs()))
{
final AddRequest referralFollowingRequest;
if (referralURL.baseDNProvided())
{
referralFollowingRequest = addRequest.duplicate();
referralFollowingRequest.setDN(referralURL.getBaseDN());
}
else
{
referralFollowingRequest = addRequest;
}
referralFollowingRequest.setReferralDepth(depth+1);
try
{
if (reusableReferralConnector == null)
{
final LDAPConnection referralConnection =
referralConnector.getReferralConnection(referralURL, connection);
try
{
final LDAPResult addResult = referralFollowingRequest.process(
referralConnection, (depth + 1));
return addResult;
}
finally
{
referralConnection.setDisconnectInfo(DisconnectType.REFERRAL, null,
null);
referralConnection.close();
}
}
else
{
final FullLDAPInterface referralInterface =
reusableReferralConnector.getReferralInterface(referralURL,
connection);
return referralInterface.add(referralFollowingRequest);
}
}
catch (final Exception e)
{
Debug.debugException(e);
if ((e instanceof LDAPException) &&
(((LDAPException) e).getResultCode() == ResultCode.REFERRAL))
{
addRequest.setReferralDepth(depth + 1);
return handleReferral(addRequest,
((LDAPException) e).toLDAPResult(), connection);
}
}
}
// If we've gotten here, then we couldn't follow the referral, so just
// return the original referral result.
return referralResult;
}
/**
* Attempts to handle a referral received while processing the provided
* compare request.
*
* @param compareRequest The compare request for which the referral result
* was received. It must not be {@code null}.
* @param referralResult The compare result containing the referrals to
* follow. It must not be {@code null}.
* @param connection The connection on which the referral result was
* received. It must not be {@code null}.
*
* @return The result obtained while attempting to follow the referral, or
* the provided result if the referral could not be followed.
*/
@NotNull()
public static CompareResult handleReferral(
@NotNull final CompareRequest compareRequest,
@NotNull final CompareResult referralResult,
@NotNull final LDAPConnection connection)
{
// If we've exceeded the referral hop limit, then return a result indicating
// that the referral limit has been exceeded.
final int depth = compareRequest.getReferralDepth();
if (depth > connection.getConnectionOptions().getReferralHopLimit())
{
return new CompareResult(referralResult.getMessageID(),
ResultCode.REFERRAL_LIMIT_EXCEEDED,
ERR_REFERRAL_LIMIT_EXCEEDED.get(),
referralResult.getMatchedDN(),
referralResult.getReferralURLs(),
referralResult.getResponseControls());
}
// Get the connector to use when attempting to follow referrals, and check
// to see if it's a ReusableReferralConnector.
final ReusableReferralConnector reusableReferralConnector;
final ReferralConnector referralConnector =
compareRequest.getReferralConnector(connection);
if (referralConnector instanceof ReusableReferralConnector)
{
reusableReferralConnector = (ReusableReferralConnector) referralConnector;
}
else
{
reusableReferralConnector = null;
}
// Iterate through the set of suitable URLs and use them to try to process
// the request.
for (final LDAPURL referralURL :
getReferralURLs(referralResult.getReferralURLs()))
{
final CompareRequest referralFollowingRequest;
if (referralURL.baseDNProvided())
{
referralFollowingRequest = compareRequest.duplicate();
referralFollowingRequest.setDN(referralURL.getBaseDN());
}
else
{
referralFollowingRequest = compareRequest;
}
referralFollowingRequest.setReferralDepth(depth+1);
try
{
if (reusableReferralConnector == null)
{
final LDAPConnection referralConnection =
referralConnector.getReferralConnection(referralURL, connection);
try
{
return referralFollowingRequest.process(referralConnection,
(depth + 1));
}
finally
{
referralConnection.setDisconnectInfo(DisconnectType.REFERRAL, null,
null);
referralConnection.close();
}
}
else
{
final FullLDAPInterface referralInterface =
reusableReferralConnector.getReferralInterface(referralURL,
connection);
return referralInterface.compare(referralFollowingRequest);
}
}
catch (final Exception e)
{
Debug.debugException(e);
if ((e instanceof LDAPException) &&
(((LDAPException) e).getResultCode() == ResultCode.REFERRAL))
{
compareRequest.setReferralDepth(depth + 1);
return handleReferral(compareRequest,
new CompareResult((LDAPException) e), connection);
}
}
}
// If we've gotten here, then we couldn't follow the referral, so just
// return the original referral result.
return referralResult;
}
/**
* Attempts to handle a referral received while processing the provided
* delete request.
*
* @param deleteRequest The delete request for which the referral result
* was received. It must not be {@code null}.
* @param referralResult The delete result containing the referrals to
* follow. It must not be {@code null}.
* @param connection The connection on which the referral result was
* received. It must not be {@code null}.
*
* @return The result obtained while attempting to follow the referral, or
* the provided result if the referral could not be followed.
*/
@NotNull()
public static LDAPResult handleReferral(
@NotNull final DeleteRequest deleteRequest,
@NotNull final LDAPResult referralResult,
@NotNull final LDAPConnection connection)
{
// If we've exceeded the referral hop limit, then return a result indicating
// that the referral limit has been exceeded.
final int depth = deleteRequest.getReferralDepth();
if (depth > connection.getConnectionOptions().getReferralHopLimit())
{
return new LDAPResult(referralResult.getMessageID(),
ResultCode.REFERRAL_LIMIT_EXCEEDED,
ERR_REFERRAL_LIMIT_EXCEEDED.get(),
referralResult.getMatchedDN(),
referralResult.getReferralURLs(),
referralResult.getResponseControls());
}
// Get the connector to use when attempting to follow referrals, and check
// to see if it's a ReusableReferralConnector.
final ReusableReferralConnector reusableReferralConnector;
final ReferralConnector referralConnector =
deleteRequest.getReferralConnector(connection);
if (referralConnector instanceof ReusableReferralConnector)
{
reusableReferralConnector = (ReusableReferralConnector) referralConnector;
}
else
{
reusableReferralConnector = null;
}
// Iterate through the set of suitable URLs and use them to try to process
// the request.
for (final LDAPURL referralURL :
getReferralURLs(referralResult.getReferralURLs()))
{
final DeleteRequest referralFollowingRequest;
if (referralURL.baseDNProvided())
{
referralFollowingRequest = deleteRequest.duplicate();
referralFollowingRequest.setDN(referralURL.getBaseDN());
}
else
{
referralFollowingRequest = deleteRequest;
}
referralFollowingRequest.setReferralDepth(depth+1);
try
{
if (reusableReferralConnector == null)
{
final LDAPConnection referralConnection =
referralConnector.getReferralConnection(referralURL, connection);
try
{
return referralFollowingRequest.process(referralConnection,
(depth + 1));
}
finally
{
referralConnection.setDisconnectInfo(DisconnectType.REFERRAL, null,
null);
referralConnection.close();
}
}
else
{
final FullLDAPInterface referralInterface =
reusableReferralConnector.getReferralInterface(referralURL,
connection);
return referralInterface.delete(referralFollowingRequest);
}
}
catch (final Exception e)
{
Debug.debugException(e);
if ((e instanceof LDAPException) &&
(((LDAPException) e).getResultCode() == ResultCode.REFERRAL))
{
deleteRequest.setReferralDepth(depth + 1);
return handleReferral(deleteRequest,
((LDAPException) e).toLDAPResult(), connection);
}
}
}
// If we've gotten here, then we couldn't follow the referral, so just
// return the original referral result.
return referralResult;
}
/**
* Attempts to handle a referral received while processing the provided
* modify request.
*
* @param modifyRequest The modify request for which the referral result
* was received. It must not be {@code null}.
* @param referralResult The modify result containing the referrals to
* follow. It must not be {@code null}.
* @param connection The connection on which the referral result was
* received. It must not be {@code null}.
*
* @return The result obtained while attempting to follow the referral, or
* the provided result if the referral could not be followed.
*/
@NotNull()
public static LDAPResult handleReferral(
@NotNull final ModifyRequest modifyRequest,
@NotNull final LDAPResult referralResult,
@NotNull final LDAPConnection connection)
{
// If we've exceeded the referral hop limit, then return a result indicating
// that the referral limit has been exceeded.
final int depth = modifyRequest.getReferralDepth();
if (depth > connection.getConnectionOptions().getReferralHopLimit())
{
return new LDAPResult(referralResult.getMessageID(),
ResultCode.REFERRAL_LIMIT_EXCEEDED,
ERR_REFERRAL_LIMIT_EXCEEDED.get(),
referralResult.getMatchedDN(),
referralResult.getReferralURLs(),
referralResult.getResponseControls());
}
// Get the connector to use when attempting to follow referrals, and check
// to see if it's a ReusableReferralConnector.
final ReusableReferralConnector reusableReferralConnector;
final ReferralConnector referralConnector =
modifyRequest.getReferralConnector(connection);
if (referralConnector instanceof ReusableReferralConnector)
{
reusableReferralConnector = (ReusableReferralConnector) referralConnector;
}
else
{
reusableReferralConnector = null;
}
// Iterate through the set of suitable URLs and use them to try to process
// the request.
for (final LDAPURL referralURL :
getReferralURLs(referralResult.getReferralURLs()))
{
final ModifyRequest referralFollowingRequest;
if (referralURL.baseDNProvided())
{
referralFollowingRequest = modifyRequest.duplicate();
referralFollowingRequest.setDN(referralURL.getBaseDN());
}
else
{
referralFollowingRequest = modifyRequest;
}
referralFollowingRequest.setReferralDepth(depth+1);
try
{
if (reusableReferralConnector == null)
{
final LDAPConnection referralConnection =
referralConnector.getReferralConnection(referralURL, connection);
try
{
return referralFollowingRequest.process(referralConnection,
(depth + 1));
}
finally
{
referralConnection.setDisconnectInfo(DisconnectType.REFERRAL, null,
null);
referralConnection.close();
}
}
else
{
final FullLDAPInterface referralInterface =
reusableReferralConnector.getReferralInterface(referralURL,
connection);
return referralInterface.modify(referralFollowingRequest);
}
}
catch (final Exception e)
{
Debug.debugException(e);
if ((e instanceof LDAPException) &&
(((LDAPException) e).getResultCode() == ResultCode.REFERRAL))
{
modifyRequest.setReferralDepth(depth + 1);
return handleReferral(modifyRequest,
((LDAPException) e).toLDAPResult(), connection);
}
}
}
// If we've gotten here, then we couldn't follow the referral, so just
// return the original referral result.
return referralResult;
}
/**
* Attempts to handle a referral received while processing the provided
* modify DN request.
*
* @param modifyDNRequest The modify DN request for which the referral
* result was received. It must not be {@code null}.
* @param referralResult The modify DN result containing the referrals to
* follow. It must not be {@code null}.
* @param connection The connection on which the referral result was
* received. It must not be {@code null}.
*
* @return The result obtained while attempting to follow the referral, or
* the provided result if the referral could not be followed.
*/
@NotNull()
public static LDAPResult handleReferral(
@NotNull final ModifyDNRequest modifyDNRequest,
@NotNull final LDAPResult referralResult,
@NotNull final LDAPConnection connection)
{
// If we've exceeded the referral hop limit, then return a result indicating
// that the referral limit has been exceeded.
final int depth = modifyDNRequest.getReferralDepth();
if (depth > connection.getConnectionOptions().getReferralHopLimit())
{
return new LDAPResult(referralResult.getMessageID(),
ResultCode.REFERRAL_LIMIT_EXCEEDED,
ERR_REFERRAL_LIMIT_EXCEEDED.get(),
referralResult.getMatchedDN(),
referralResult.getReferralURLs(),
referralResult.getResponseControls());
}
// If we've exceeded the referral hop limit, then just return the provided
// result.
if (depth > connection.getConnectionOptions().getReferralHopLimit())
{
return referralResult;
}
// Get the connector to use when attempting to follow referrals, and check
// to see if it's a ReusableReferralConnector.
final ReusableReferralConnector reusableReferralConnector;
final ReferralConnector referralConnector =
modifyDNRequest.getReferralConnector(connection);
if (referralConnector instanceof ReusableReferralConnector)
{
reusableReferralConnector = (ReusableReferralConnector) referralConnector;
}
else
{
reusableReferralConnector = null;
}
// Iterate through the set of suitable URLs and use them to try to process
// the request.
for (final LDAPURL referralURL :
getReferralURLs(referralResult.getReferralURLs()))
{
final ModifyDNRequest referralFollowingRequest;
if (referralURL.baseDNProvided())
{
referralFollowingRequest = modifyDNRequest.duplicate();
referralFollowingRequest.setDN(referralURL.getBaseDN());
}
else
{
referralFollowingRequest = modifyDNRequest;
}
referralFollowingRequest.setReferralDepth(depth+1);
try
{
if (reusableReferralConnector == null)
{
final LDAPConnection referralConnection =
referralConnector.getReferralConnection(referralURL, connection);
try
{
return referralFollowingRequest.process(referralConnection,
(depth + 1));
}
finally
{
referralConnection.setDisconnectInfo(DisconnectType.REFERRAL, null,
null);
referralConnection.close();
}
}
else
{
final FullLDAPInterface referralInterface =
reusableReferralConnector.getReferralInterface(referralURL,
connection);
return referralInterface.modifyDN(referralFollowingRequest);
}
}
catch (final Exception e)
{
Debug.debugException(e);
if ((e instanceof LDAPException) &&
(((LDAPException) e).getResultCode() == ResultCode.REFERRAL))
{
modifyDNRequest.setReferralDepth(depth + 1);
return handleReferral(modifyDNRequest,
((LDAPException) e).toLDAPResult(), connection);
}
}
}
// If we've gotten here, then we couldn't follow the referral, so just
// return the original referral result.
return referralResult;
}
/**
* Attempts to handle a referral result received while processing the provided
* search request.
*
* @param searchRequest The search request for which the referral result
* was received. It must not be {@code null}.
* @param referralResult The search result containing the referrals to
* follow. It must not be {@code null}.
* @param connection The connection on which the referral result was
* received. It must not be {@code null}.
*
* @return The result obtained while attempting to follow the referral, or
* the provided result if the referral could not be followed.
*/
@NotNull()
public static SearchResult handleReferral(
@NotNull final SearchRequest searchRequest,
@NotNull final SearchResult referralResult,
@NotNull final LDAPConnection connection)
{
// If we've exceeded the referral hop limit, then return a result indicating
// that the referral limit has been exceeded.
final int depth = searchRequest.getReferralDepth();
if (depth > connection.getConnectionOptions().getReferralHopLimit())
{
return new SearchResult(referralResult.getMessageID(),
ResultCode.REFERRAL_LIMIT_EXCEEDED,
ERR_REFERRAL_LIMIT_EXCEEDED.get(),
referralResult.getMatchedDN(),
referralResult.getReferralURLs(),
referralResult.getEntryCount(),
referralResult.getReferenceCount(),
referralResult.getResponseControls());
}
final SearchResult result = handleReferral(searchRequest,
getReferralURLs(referralResult.getReferralURLs()), connection);
if (result == null)
{
// This indicates that we couldn't follow the referral, so just return
// the original referral result.
return referralResult;
}
else
{
return result;
}
}
/**
* Attempts to handle a referral result received while processing the provided
* search request.
*
* @param searchRequest The search request for which the referral result
* was received. It must not be {@code null}.
* @param searchReference The search result reference containing the
* referrals to follow. It must not be {@code null}.
* @param connection The connection on which the referral result was
* received. It must not be {@code null}.
*
* @return The result obtained while attempting to follow the referral, or
* the provided result if the referral could not be followed.
*/
@NotNull()
public static SearchResult handleReferral(
@NotNull final SearchRequest searchRequest,
@NotNull final SearchResultReference searchReference,
@NotNull final LDAPConnection connection)
{
// If we've exceeded the referral hop limit, then return a result indicating
// that the referral limit has been exceeded.
final int depth = searchRequest.getReferralDepth();
if (depth > connection.getConnectionOptions().getReferralHopLimit())
{
return new SearchResult(searchReference.getMessageID(),
ResultCode.REFERRAL_LIMIT_EXCEEDED,
ERR_REFERRAL_LIMIT_EXCEEDED.get(), null,
searchReference.getReferralURLs(), 0, 0, null);
}
final SearchResult result = handleReferral(searchRequest,
getReferralURLs(searchReference.getReferralURLs()), connection);
if (result == null)
{
// This indicates that we couldn't follow the referral. Construct a
// referral result to return.
return new SearchResult(searchReference.getMessageID(),
ResultCode.REFERRAL, null, null, searchReference.getReferralURLs(),
0, 0, null);
}
else
{
return result;
}
}
/**
* Attempts to handle a referral result received while processing the provided
* search request.
*
* @param searchRequest The search request for which the referral result
* was received. It must not be {@code null}.
* @param referralURLs The set of referral URLs to follow. It must not be
* {@code null}.
* @param connection The connection on which the referral result was
* received. It must not be {@code null}.
*
* @return The result obtained while attempting to follow the referral, or
* the provided result if the referral could not be followed.
*/
@Nullable()
private static SearchResult handleReferral(
@NotNull final SearchRequest searchRequest,
@NotNull final List referralURLs,
@NotNull final LDAPConnection connection)
{
// Get the connector to use when attempting to follow referrals, and check
// to see if it's a ReusableReferralConnector.
final ReusableReferralConnector reusableReferralConnector;
final ReferralConnector referralConnector =
searchRequest.getReferralConnector(connection);
if (referralConnector instanceof ReusableReferralConnector)
{
reusableReferralConnector = (ReusableReferralConnector) referralConnector;
}
else
{
reusableReferralConnector = null;
}
// Iterate through the set of suitable URLs and use them to try to process
// the request.
for (final LDAPURL referralURL : referralURLs)
{
final SearchRequest referralFollowingRequest = searchRequest.duplicate();
if (referralURL.baseDNProvided())
{
referralFollowingRequest.setBaseDN(referralURL.getBaseDN());
}
if (referralURL.scopeProvided())
{
referralFollowingRequest.setScope(referralURL.getScope());
}
if (referralURL.filterProvided())
{
referralFollowingRequest.setFilter(referralURL.getFilter());
}
final int depth = searchRequest.getReferralDepth();
referralFollowingRequest.setReferralDepth(depth + 1);
try
{
if (reusableReferralConnector == null)
{
final LDAPConnection referralConnection =
referralConnector.getReferralConnection(referralURL, connection);
try
{
return referralFollowingRequest.process(referralConnection,
(depth + 1));
}
finally
{
referralConnection.setDisconnectInfo(DisconnectType.REFERRAL, null,
null);
referralConnection.close();
}
}
else
{
final FullLDAPInterface referralInterface =
reusableReferralConnector.getReferralInterface(referralURL,
connection);
return referralInterface.search(referralFollowingRequest);
}
}
catch (final Exception e)
{
Debug.debugException(e);
if ((e instanceof LDAPException) &&
(((LDAPException) e).getResultCode() == ResultCode.REFERRAL))
{
searchRequest.setReferralDepth(depth + 1);
return handleReferral(searchRequest,
new SearchResult((LDAPException) e), connection);
}
}
}
// If we've gotten here, then we couldn't follow the referral. Just return
// null and let the caller figure out what result to return.
return null;
}
/**
* Attempts to handle a referral received while processing the provided
* password modify extended request.
*
* @param pwModifyRequest The password modify extended request for which the
* referral was received. It must not be
* {@code null}.
* @param referralResult The extended result containing the referrals to
* follow. It must not be {@code null}.
* @param connection The connection on which the referral result was
* received. It must not be {@code null}.
*
* @return The result obtained while attempting to follow the referral, or
* the provided result if the referral could not be followed.
*/
@NotNull()
public static PasswordModifyExtendedResult handleReferral(
@NotNull final PasswordModifyExtendedRequest pwModifyRequest,
@NotNull final PasswordModifyExtendedResult referralResult,
@NotNull final LDAPConnection connection)
{
// If we've exceeded the referral hop limit, then return a result indicating
// that the referral limit has been exceeded.
final int depth = pwModifyRequest.getReferralDepth();
if (depth > connection.getConnectionOptions().getReferralHopLimit())
{
return new PasswordModifyExtendedResult(referralResult.getMessageID(),
ResultCode.REFERRAL_LIMIT_EXCEEDED,
ERR_REFERRAL_LIMIT_EXCEEDED.get(),
referralResult.getMatchedDN(),
referralResult.getReferralURLs(),
referralResult.getRawGeneratedPassword(),
referralResult.getResponseControls());
}
// Get the connector to use when attempting to follow referrals, and check
// to see if it's a ReusableReferralConnector.
final ReusableReferralConnector reusableReferralConnector;
final ReferralConnector referralConnector =
pwModifyRequest.getReferralConnector(connection);
if (referralConnector instanceof ReusableReferralConnector)
{
reusableReferralConnector = (ReusableReferralConnector) referralConnector;
}
else
{
reusableReferralConnector = null;
}
// Iterate through the set of suitable URLs and use them to try to process
// the request.
for (final LDAPURL referralURL :
getReferralURLs(referralResult.getReferralURLs()))
{
final String userIdentity;
if (referralURL.getBaseDN().isNullDN())
{
userIdentity = pwModifyRequest.getUserIdentity();
}
else
{
userIdentity = referralURL.getBaseDN().toString();
}
final PasswordModifyExtendedRequest referralFollowingRequest =
new PasswordModifyExtendedRequest(userIdentity,
pwModifyRequest.getOldPassword(),
pwModifyRequest.getNewPassword(),
pwModifyRequest.getControls());
referralFollowingRequest.setResponseTimeoutMillis(
pwModifyRequest.getResponseTimeoutMillis(connection));
referralFollowingRequest.setIntermediateResponseListener(
pwModifyRequest.getIntermediateResponseListener());
referralFollowingRequest.setReferralConnector(
pwModifyRequest.getReferralConnector(connection));
referralFollowingRequest.setReferralDepth(depth + 1);
try
{
if (reusableReferralConnector == null)
{
final LDAPConnection referralConnection =
referralConnector.getReferralConnection(referralURL, connection);
try
{
return referralFollowingRequest.process(referralConnection,
(depth + 1));
}
finally
{
referralConnection.setDisconnectInfo(DisconnectType.REFERRAL, null,
null);
referralConnection.close();
}
}
else
{
final FullLDAPInterface referralInterface =
reusableReferralConnector.getReferralInterface(referralURL,
connection);
final ExtendedResult extendedResult =
referralInterface.processExtendedOperation(
referralFollowingRequest);
if (extendedResult instanceof PasswordModifyExtendedResult)
{
return (PasswordModifyExtendedResult) extendedResult;
}
else
{
return new PasswordModifyExtendedResult(extendedResult);
}
}
}
catch (final Exception e)
{
Debug.debugException(e);
if ((e instanceof LDAPException) &&
(((LDAPException) e).getResultCode() == ResultCode.REFERRAL))
{
pwModifyRequest.setReferralDepth(depth + 1);
final ExtendedResult extendedResult =
new ExtendedResult((LDAPException) e);
try
{
return handleReferral(pwModifyRequest,
new PasswordModifyExtendedResult(extendedResult), connection);
}
catch (final Exception e2)
{
Debug.debugException(e2);
}
}
}
}
// If we've gotten here, then we couldn't follow the referral, so just
// return the original referral result.
return referralResult;
}
/**
* Retrieves a list of the LDAP URLs contained in the provided array of URL
* strings.
*
* @param urlStrings An array containing the string representations of the
* referral URLs that were received. It must not be
* {@code null}.
*
* @return A list of the LDAP URLs contained in the provided result, or an
* empty list if none of the referral URLs can be parsed as a valid
* LDAP URL.
*/
@NotNull()
private static List getReferralURLs(
@NotNull final String[] urlStrings)
{
final List ldapURLs = new ArrayList<>(urlStrings.length);
for (final String urlString : urlStrings)
{
try
{
// We will only support LDAP URLs in which the hostname was specified.
final LDAPURL ldapURL = new LDAPURL(urlString);
if (ldapURL.hostProvided())
{
ldapURLs.add(ldapURL);
}
}
catch (final Exception e)
{
Debug.debugException(e);
}
}
return ldapURLs;
}
}
