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/*
* Copyright 2009-2017 UnboundID Corp.
* All Rights Reserved.
*/
/*
* Copyright (C) 2009-2017 UnboundID Corp.
*
* 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.NotMutable;
import com.unboundid.util.InternalUseOnly;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;
import static com.unboundid.ldap.protocol.ProtocolMessages.*;
import static com.unboundid.util.Debug.*;
import static com.unboundid.util.StaticUtils.*;
import static com.unboundid.util.Validator.*;
/**
* 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 = 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();
ensureNotNull(s);
if (s.length() == 0)
{
matchedDN = null;
}
else
{
matchedDN = s;
}
s = reader.readString();
ensureNotNull(s);
if (s.length() == 0)
{
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(toHex(type)));
}
}
referralURLs = Collections.unmodifiableList(refs);
serverSASLCredentials = creds;
}
catch (LDAPException le)
{
debugException(le);
throw le;
}
catch (Exception e)
{
debugException(e);
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_BIND_RESPONSE_CANNOT_DECODE.get(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}
*/
public byte getProtocolOpType()
{
return LDAPMessage.PROTOCOL_OP_TYPE_BIND_RESPONSE;
}
/**
* {@inheritDoc}
*/
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.length() > 0)
{
matchedDN = md;
}
else
{
matchedDN = null;
}
final String diagnosticMessage;
final String dm =
ASN1OctetString.decodeAsOctetString(elements[2]).stringValue();
if (dm.length() > 0)
{
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(
toHex(elements[i].getType())));
}
}
}
return new BindResponseProtocolOp(resultCode, matchedDN,
diagnosticMessage, referralURLs, serverSASLCredentials);
}
catch (final LDAPException le)
{
debugException(le);
throw le;
}
catch (final Exception e)
{
debugException(e);
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_BIND_RESPONSE_CANNOT_DECODE.get(getExceptionMessage(e)),
e);
}
}
/**
* {@inheritDoc}
*/
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 = 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}
*/
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(')');
}
}
