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The UnboundID LDAP SDK for Java is a fast, comprehensive, and easy-to-use
Java API for communicating with LDAP directory servers and performing
related tasks like reading and writing LDIF, encoding and decoding data
using base64 and ASN.1 BER, and performing secure communication. This
package contains the Standard Edition of the LDAP SDK, which is a
complete, general-purpose library for communicating with LDAPv3 directory
servers.
/*
* Copyright 2009-2018 Ping Identity Corporation
* All Rights Reserved.
*/
/*
* Copyright (C) 2009-2018 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.protocol;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import com.unboundid.asn1.ASN1Buffer;
import com.unboundid.asn1.ASN1BufferSequence;
import com.unboundid.asn1.ASN1Element;
import com.unboundid.asn1.ASN1Enumerated;
import com.unboundid.asn1.ASN1OctetString;
import com.unboundid.asn1.ASN1Sequence;
import com.unboundid.asn1.ASN1StreamReader;
import com.unboundid.asn1.ASN1StreamReaderSequence;
import com.unboundid.ldap.sdk.BindResult;
import com.unboundid.ldap.sdk.Control;
import com.unboundid.ldap.sdk.LDAPException;
import com.unboundid.ldap.sdk.LDAPResult;
import com.unboundid.ldap.sdk.ResultCode;
import com.unboundid.util.Debug;
import com.unboundid.util.InternalUseOnly;
import com.unboundid.util.NotMutable;
import com.unboundid.util.StaticUtils;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;
import com.unboundid.util.Validator;
import static com.unboundid.ldap.protocol.ProtocolMessages.*;
/**
* This class provides an implementation of a bind response protocol op.
*/
@InternalUseOnly()
@NotMutable()
@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE)
public final class BindResponseProtocolOp
implements ProtocolOp
{
/**
* The BER type for the server SASL credentials element.
*/
public static final byte TYPE_SERVER_SASL_CREDENTIALS = (byte) 0x87;
/**
* The serial version UID for this serializable class.
*/
private static final long serialVersionUID = -7757619031268544913L;
// The server SASL credentials for this bind response.
private final ASN1OctetString serverSASLCredentials;
// The result code for this bind response.
private final int resultCode;
// The referral URLs for this bind response.
private final List referralURLs;
// The diagnostic message for this bind response.
private final String diagnosticMessage;
// The matched DN for this bind response.
private final String matchedDN;
/**
* Creates a new instance of this bind response protocol op with the provided
* information.
*
* @param resultCode The result code for this response.
* @param matchedDN The matched DN for this response, if
* available.
* @param diagnosticMessage The diagnostic message for this response, if
* any.
* @param referralURLs The list of referral URLs for this response,
* if any.
* @param serverSASLCredentials The server SASL credentials for this
* response, if available.
*/
public BindResponseProtocolOp(final int resultCode, final String matchedDN,
final String diagnosticMessage,
final List referralURLs,
final ASN1OctetString serverSASLCredentials)
{
this.resultCode = resultCode;
this.matchedDN = matchedDN;
this.diagnosticMessage = diagnosticMessage;
if (referralURLs == null)
{
this.referralURLs = Collections.emptyList();
}
else
{
this.referralURLs = Collections.unmodifiableList(referralURLs);
}
if (serverSASLCredentials == null)
{
this.serverSASLCredentials = null;
}
else
{
this.serverSASLCredentials = new ASN1OctetString(
TYPE_SERVER_SASL_CREDENTIALS, serverSASLCredentials.getValue());
}
}
/**
* Creates a new bind response protocol op from the provided bind result
* object.
*
* @param result The LDAP result object to use to create this protocol op.
*/
public BindResponseProtocolOp(final LDAPResult result)
{
resultCode = result.getResultCode().intValue();
matchedDN = result.getMatchedDN();
diagnosticMessage = result.getDiagnosticMessage();
referralURLs = StaticUtils.toList(result.getReferralURLs());
if (result instanceof BindResult)
{
final BindResult br = (BindResult) result;
serverSASLCredentials = br.getServerSASLCredentials();
}
else
{
serverSASLCredentials = null;
}
}
/**
* Creates a new bind response protocol op read from the provided ASN.1 stream
* reader.
*
* @param reader The ASN.1 stream reader from which to read the bind
* response.
*
* @throws LDAPException If a problem occurs while reading or parsing the
* bind response.
*/
BindResponseProtocolOp(final ASN1StreamReader reader)
throws LDAPException
{
try
{
final ASN1StreamReaderSequence opSequence = reader.beginSequence();
resultCode = reader.readEnumerated();
String s = reader.readString();
Validator.ensureNotNull(s);
if (s.isEmpty())
{
matchedDN = null;
}
else
{
matchedDN = s;
}
s = reader.readString();
Validator.ensureNotNull(s);
if (s.isEmpty())
{
diagnosticMessage = null;
}
else
{
diagnosticMessage = s;
}
ASN1OctetString creds = null;
final ArrayList refs = new ArrayList<>(1);
while (opSequence.hasMoreElements())
{
final byte type = (byte) reader.peek();
if (type == GenericResponseProtocolOp.TYPE_REFERRALS)
{
final ASN1StreamReaderSequence refSequence = reader.beginSequence();
while (refSequence.hasMoreElements())
{
refs.add(reader.readString());
}
}
else if (type == TYPE_SERVER_SASL_CREDENTIALS)
{
creds = new ASN1OctetString(type, reader.readBytes());
}
else
{
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_BIND_RESPONSE_INVALID_ELEMENT.get(StaticUtils.toHex(type)));
}
}
referralURLs = Collections.unmodifiableList(refs);
serverSASLCredentials = creds;
}
catch (final LDAPException le)
{
Debug.debugException(le);
throw le;
}
catch (final Exception e)
{
Debug.debugException(e);
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_BIND_RESPONSE_CANNOT_DECODE.get(
StaticUtils.getExceptionMessage(e)),
e);
}
}
/**
* Retrieves the result code for this bind response.
*
* @return The result code for this bind response.
*/
public int getResultCode()
{
return resultCode;
}
/**
* Retrieves the matched DN for this bind response, if any.
*
* @return The matched DN for this bind response, or {@code null} if there is
* no matched DN.
*/
public String getMatchedDN()
{
return matchedDN;
}
/**
* Retrieves the diagnostic message for this bind response, if any.
*
* @return The diagnostic message for this bind response, or {@code null} if
* there is no diagnostic message.
*/
public String getDiagnosticMessage()
{
return diagnosticMessage;
}
/**
* Retrieves the list of referral URLs for this bind response.
*
* @return The list of referral URLs for this bind response, or an empty list
* if there are no referral URLs.
*/
public List getReferralURLs()
{
return referralURLs;
}
/**
* Retrieves the server SASL credentials for this bind response, if any.
*
* @return The server SASL credentials for this bind response, or
* {@code null} if there are no server SASL credentials.
*/
public ASN1OctetString getServerSASLCredentials()
{
return serverSASLCredentials;
}
/**
* {@inheritDoc}
*/
@Override()
public byte getProtocolOpType()
{
return LDAPMessage.PROTOCOL_OP_TYPE_BIND_RESPONSE;
}
/**
* {@inheritDoc}
*/
@Override()
public ASN1Element encodeProtocolOp()
{
final ArrayList elements = new ArrayList<>(5);
elements.add(new ASN1Enumerated(getResultCode()));
final String mDN = getMatchedDN();
if (mDN == null)
{
elements.add(new ASN1OctetString());
}
else
{
elements.add(new ASN1OctetString(mDN));
}
final String dm = getDiagnosticMessage();
if (dm == null)
{
elements.add(new ASN1OctetString());
}
else
{
elements.add(new ASN1OctetString(dm));
}
final List refs = getReferralURLs();
if (! refs.isEmpty())
{
final ArrayList refElements = new ArrayList<>(refs.size());
for (final String r : refs)
{
refElements.add(new ASN1OctetString(r));
}
elements.add(new ASN1Sequence(GenericResponseProtocolOp.TYPE_REFERRALS,
refElements));
}
if (serverSASLCredentials != null)
{
elements.add(serverSASLCredentials);
}
return new ASN1Sequence(LDAPMessage.PROTOCOL_OP_TYPE_BIND_RESPONSE,
elements);
}
/**
* Decodes the provided ASN.1 element as a bind response protocol op.
*
* @param element The ASN.1 element to be decoded.
*
* @return The decoded bind response protocol op.
*
* @throws LDAPException If the provided ASN.1 element cannot be decoded as
* a bind response protocol op.
*/
public static BindResponseProtocolOp decodeProtocolOp(
final ASN1Element element)
throws LDAPException
{
try
{
final ASN1Element[] elements =
ASN1Sequence.decodeAsSequence(element).elements();
final int resultCode =
ASN1Enumerated.decodeAsEnumerated(elements[0]).intValue();
final String matchedDN;
final String md =
ASN1OctetString.decodeAsOctetString(elements[1]).stringValue();
if (! md.isEmpty())
{
matchedDN = md;
}
else
{
matchedDN = null;
}
final String diagnosticMessage;
final String dm =
ASN1OctetString.decodeAsOctetString(elements[2]).stringValue();
if (! dm.isEmpty())
{
diagnosticMessage = dm;
}
else
{
diagnosticMessage = null;
}
ASN1OctetString serverSASLCredentials = null;
List referralURLs = null;
if (elements.length > 3)
{
for (int i=3; i < elements.length; i++)
{
switch (elements[i].getType())
{
case GenericResponseProtocolOp.TYPE_REFERRALS:
final ASN1Element[] refElements =
ASN1Sequence.decodeAsSequence(elements[3]).elements();
referralURLs = new ArrayList<>(refElements.length);
for (final ASN1Element e : refElements)
{
referralURLs.add(
ASN1OctetString.decodeAsOctetString(e).stringValue());
}
break;
case TYPE_SERVER_SASL_CREDENTIALS:
serverSASLCredentials =
ASN1OctetString.decodeAsOctetString(elements[i]);
break;
default:
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_BIND_RESPONSE_INVALID_ELEMENT.get(
StaticUtils.toHex(elements[i].getType())));
}
}
}
return new BindResponseProtocolOp(resultCode, matchedDN,
diagnosticMessage, referralURLs, serverSASLCredentials);
}
catch (final LDAPException le)
{
Debug.debugException(le);
throw le;
}
catch (final Exception e)
{
Debug.debugException(e);
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_BIND_RESPONSE_CANNOT_DECODE.get(
StaticUtils.getExceptionMessage(e)),
e);
}
}
/**
* {@inheritDoc}
*/
@Override()
public void writeTo(final ASN1Buffer buffer)
{
final ASN1BufferSequence opSequence =
buffer.beginSequence(LDAPMessage.PROTOCOL_OP_TYPE_BIND_RESPONSE);
buffer.addEnumerated(resultCode);
buffer.addOctetString(matchedDN);
buffer.addOctetString(diagnosticMessage);
if (! referralURLs.isEmpty())
{
final ASN1BufferSequence refSequence =
buffer.beginSequence(GenericResponseProtocolOp.TYPE_REFERRALS);
for (final String s : referralURLs)
{
buffer.addOctetString(s);
}
refSequence.end();
}
if (serverSASLCredentials != null)
{
buffer.addElement(serverSASLCredentials);
}
opSequence.end();
}
/**
* Creates a new LDAP result object from this response protocol op.
*
* @param controls The set of controls to include in the LDAP result. It
* may be empty or {@code null} if no controls should be
* included.
*
* @return The LDAP result that was created.
*/
public BindResult toBindResult(final Control... controls)
{
final String[] refs;
if (referralURLs.isEmpty())
{
refs = StaticUtils.NO_STRINGS;
}
else
{
refs = new String[referralURLs.size()];
referralURLs.toArray(refs);
}
return new BindResult(-1, ResultCode.valueOf(resultCode), diagnosticMessage,
matchedDN, refs, controls, serverSASLCredentials);
}
/**
* Retrieves a string representation of this protocol op.
*
* @return A string representation of this protocol op.
*/
@Override()
public String toString()
{
final StringBuilder buffer = new StringBuilder();
toString(buffer);
return buffer.toString();
}
/**
* {@inheritDoc}
*/
@Override()
public void toString(final StringBuilder buffer)
{
buffer.append("BindResponseProtocolOp(resultCode=");
buffer.append(resultCode);
if (matchedDN != null)
{
buffer.append(", matchedDN='");
buffer.append(matchedDN);
buffer.append('\'');
}
if (diagnosticMessage != null)
{
buffer.append(", diagnosticMessage='");
buffer.append(diagnosticMessage);
buffer.append('\'');
}
if (! referralURLs.isEmpty())
{
buffer.append(", referralURLs={");
final Iterator iterator = referralURLs.iterator();
while (iterator.hasNext())
{
buffer.append('\'');
buffer.append(iterator.next());
buffer.append('\'');
if (iterator.hasNext())
{
buffer.append(',');
}
}
buffer.append('}');
}
buffer.append(')');
}
}
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