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/*
* Copyright 2012-2017 UnboundID Corp.
* All Rights Reserved.
*/
/*
* Copyright (C) 2015-2017 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.sdk.unboundidds;
import java.util.ArrayList;
import java.util.List;
import com.unboundid.asn1.ASN1Element;
import com.unboundid.asn1.ASN1OctetString;
import com.unboundid.asn1.ASN1Sequence;
import com.unboundid.ldap.sdk.Control;
import com.unboundid.ldap.sdk.LDAPException;
import com.unboundid.ldap.sdk.ResultCode;
import com.unboundid.ldap.sdk.ToCodeArgHelper;
import com.unboundid.ldap.sdk.ToCodeHelper;
import com.unboundid.util.Debug;
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.sdk.unboundidds.UnboundIDDSMessages.*;
/**
* This class provides an implementation of the UNBOUNDID-TOTP SASL bind request
* that contains a point-in-time version of the one-time password and can be
* used for a single bind but is not suitable for repeated use. This version of
* the bind request should be used for authentication in which the one-time
* password is provided by an external source rather than being generated by
* the LDAP SDK.
*
*
* NOTE: This class is part of the Commercial Edition of the UnboundID
* LDAP SDK for Java. It is not available for use in applications that
* include only the Standard Edition of the LDAP SDK, and is not supported for
* use in conjunction with non-UnboundID products.
*
*
* Because the one-time password is provided rather than generated, this version
* of the bind request is not suitable for cases in which the authentication
* process may need to be repeated (e.g., for use in a connection pool,
* following referrals, or if the auto-reconnect feature is enabled), then the
* reusable variant (supported by the {@link ReusableTOTPBindRequest} class)
* which generates the one-time password should be used instead.
*/
@NotMutable()
@ThreadSafety(level=ThreadSafetyLevel.NOT_THREADSAFE)
public final class SingleUseTOTPBindRequest
extends UnboundIDTOTPBindRequest
{
/**
* The serial version UID for this serializable class.
*/
private static final long serialVersionUID = -4429898810534930296L;
// The hard-coded TOTP password to include in the bind request.
private final String totpPassword;
/**
* Creates a new SASL TOTP bind request with the provided information.
*
* @param authenticationID The authentication identity for the bind request.
* It must not be {@code null}, and must be in the
* form "u:" followed by a username, or "dn:"
* followed by a DN.
* @param authorizationID The authorization identity for the bind request.
* It may be {@code null} if the authorization
* identity should be the same as the authentication
* identity. If an authorization identity is
* specified, it must be in the form "u:" followed
* by a username, or "dn:" followed by a DN. The
* value "dn:" may indicate an authorization
* identity of the anonymous user.
* @param totpPassword The hard-coded TOTP password to include in the
* bind request. It must not be {@code null}.
* @param staticPassword The static password for the target user. It may
* be {@code null} if only the one-time password is
* to be used for authentication (which may or may
* not be allowed by the server).
* @param controls The set of controls to include in the bind
* request.
*/
public SingleUseTOTPBindRequest(final String authenticationID,
final String authorizationID,
final String totpPassword,
final String staticPassword,
final Control... controls)
{
super(authenticationID, authorizationID, staticPassword, controls);
Validator.ensureNotNull(totpPassword);
this.totpPassword = totpPassword;
}
/**
* Creates a new SASL TOTP bind request with the provided information.
*
* @param authenticationID The authentication identity for the bind request.
* It must not be {@code null}, and must be in the
* form "u:" followed by a username, or "dn:"
* followed by a DN.
* @param authorizationID The authorization identity for the bind request.
* It may be {@code null} if the authorization
* identity should be the same as the authentication
* identity. If an authorization identity is
* specified, it must be in the form "u:" followed
* by a username, or "dn:" followed by a DN. The
* value "dn:" may indicate an authorization
* identity of the anonymous user.
* @param totpPassword The hard-coded TOTP password to include in the
* bind request. It must not be {@code null}.
* @param staticPassword The static password for the target user. It may
* be {@code null} if only the one-time password is
* to be used for authentication (which may or may
* not be allowed by the server).
* @param controls The set of controls to include in the bind
* request.
*/
public SingleUseTOTPBindRequest(final String authenticationID,
final String authorizationID,
final String totpPassword,
final byte[] staticPassword,
final Control... controls)
{
super(authenticationID, authorizationID, staticPassword, controls);
Validator.ensureNotNull(totpPassword);
this.totpPassword = totpPassword;
}
/**
* Creates a new SASL TOTP bind request with the provided information.
*
* @param authenticationID The authentication identity for the bind request.
* It must not be {@code null}, and must be in the
* form "u:" followed by a username, or "dn:"
* followed by a DN.
* @param authorizationID The authorization identity for the bind request.
* It may be {@code null} if the authorization
* identity should be the same as the authentication
* identity. If an authorization identity is
* specified, it must be in the form "u:" followed
* by a username, or "dn:" followed by a DN. The
* value "dn:" may indicate an authorization
* identity of the anonymous user.
* @param totpPassword The hard-coded TOTP password to include in the
* bind request. It must not be {@code null}.
* @param staticPassword The static password for the target user. It may
* be {@code null} if only the one-time password is
* to be used for authentication (which may or may
* not be allowed by the server).
* @param controls The set of controls to include in the bind
* request.
*/
private SingleUseTOTPBindRequest(final String authenticationID,
final String authorizationID,
final String totpPassword,
final ASN1OctetString staticPassword,
final Control... controls)
{
super(authenticationID, authorizationID, staticPassword, controls);
Validator.ensureNotNull(totpPassword);
this.totpPassword = totpPassword;
}
/**
* Creates a new single-use TOTP bind request from the information contained
* in the provided encoded SASL credentials.
*
* @param saslCredentials The encoded SASL credentials to be decoded in
* order to create this single-use TOTP bind request.
* It must not be {@code null}.
* @param controls The set of controls to include in the bind
* request.
*
* @return The single-use TOTP bind request decoded from the provided
* credentials.
*
* @throws LDAPException If the provided credentials are not valid for an
* UNBOUNDID-TOTP bind request.
*/
public static SingleUseTOTPBindRequest
decodeSASLCredentials(final ASN1OctetString saslCredentials,
final Control... controls)
throws LDAPException
{
try
{
String authenticationID = null;
String authorizationID = null;
String totpPassword = null;
ASN1OctetString staticPassword = null;
final ASN1Sequence s =
ASN1Sequence.decodeAsSequence(saslCredentials.getValue());
for (final ASN1Element e : s.elements())
{
switch (e.getType())
{
case TYPE_AUTHENTICATION_ID:
authenticationID = e.decodeAsOctetString().stringValue();
break;
case TYPE_AUTHORIZATION_ID:
authorizationID = e.decodeAsOctetString().stringValue();
break;
case TYPE_TOTP_PASSWORD:
totpPassword = e.decodeAsOctetString().stringValue();
break;
case TYPE_STATIC_PASSWORD:
staticPassword = e.decodeAsOctetString();
break;
default:
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_SINGLE_USE_TOTP_DECODE_INVALID_ELEMENT_TYPE.get(
StaticUtils.toHex(e.getType())));
}
}
if (authenticationID == null)
{
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_SINGLE_USE_TOTP_DECODE_MISSING_AUTHN_ID.get());
}
if (totpPassword == null)
{
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_SINGLE_USE_TOTP_DECODE_MISSING_TOTP_PW.get());
}
return new SingleUseTOTPBindRequest(authenticationID, authorizationID,
totpPassword, staticPassword, controls);
}
catch (final Exception e)
{
Debug.debugException(e);
throw new LDAPException(ResultCode.DECODING_ERROR,
ERR_SINGLE_USE_TOTP_DECODE_ERROR.get(
StaticUtils.getExceptionMessage(e)),
e);
}
}
/**
* Retrieves the hard-coded TOTP password to include in the bind request.
*
* @return The hard-coded TOTP password to include in the bind request.
*/
public String getTOTPPassword()
{
return totpPassword;
}
/**
* {@inheritDoc}
*/
@Override()
protected ASN1OctetString getSASLCredentials()
{
return encodeCredentials(getAuthenticationID(), getAuthorizationID(),
totpPassword, getStaticPassword());
}
/**
* {@inheritDoc}
*/
@Override()
public SingleUseTOTPBindRequest getRebindRequest(final String host,
final int port)
{
// Automatic rebinding is not supported for single-use TOTP binds.
return null;
}
/**
* {@inheritDoc}
*/
@Override()
public SingleUseTOTPBindRequest duplicate()
{
return duplicate(getControls());
}
/**
* {@inheritDoc}
*/
@Override()
public SingleUseTOTPBindRequest duplicate(final Control[] controls)
{
final SingleUseTOTPBindRequest bindRequest =
new SingleUseTOTPBindRequest(getAuthenticationID(),
getAuthorizationID(), totpPassword, getStaticPassword(),
controls);
bindRequest.setResponseTimeoutMillis(getResponseTimeoutMillis(null));
return bindRequest;
}
/**
* {@inheritDoc}
*/
@Override()
public void toCode(final List lineList, final String requestID,
final int indentSpaces, final boolean includeProcessing)
{
// Create the request variable.
final ArrayList constructorArgs =
new ArrayList(5);
constructorArgs.add(ToCodeArgHelper.createString(getAuthenticationID(),
"Authentication ID"));
constructorArgs.add(ToCodeArgHelper.createString(getAuthorizationID(),
"Authorization ID"));
constructorArgs.add(ToCodeArgHelper.createString(
"---redacted-totp-password", "TOTP Password"));
constructorArgs.add(ToCodeArgHelper.createString(
((getStaticPassword() == null)
? "null"
: "---redacted-static-password---"),
"Static Password"));
final Control[] controls = getControls();
if (controls.length > 0)
{
constructorArgs.add(ToCodeArgHelper.createControlArray(controls,
"Bind Controls"));
}
ToCodeHelper.generateMethodCall(lineList, indentSpaces,
"SingleUseTOTPBindRequest", requestID + "Request",
"new SingleUseTOTPBindRequest", constructorArgs);
// Add lines for processing the request and obtaining the result.
if (includeProcessing)
{
// Generate a string with the appropriate indent.
final StringBuilder buffer = new StringBuilder();
for (int i=0; i < indentSpaces; i++)
{
buffer.append(' ');
}
final String indent = buffer.toString();
lineList.add("");
lineList.add(indent + "try");
lineList.add(indent + '{');
lineList.add(indent + " BindResult " + requestID +
"Result = connection.bind(" + requestID + "Request);");
lineList.add(indent + " // The bind was processed successfully.");
lineList.add(indent + '}');
lineList.add(indent + "catch (LDAPException e)");
lineList.add(indent + '{');
lineList.add(indent + " // The bind failed. Maybe the following will " +
"help explain why.");
lineList.add(indent + " // Note that the connection is now likely in " +
"an unauthenticated state.");
lineList.add(indent + " ResultCode resultCode = e.getResultCode();");
lineList.add(indent + " String message = e.getMessage();");
lineList.add(indent + " String matchedDN = e.getMatchedDN();");
lineList.add(indent + " String[] referralURLs = e.getReferralURLs();");
lineList.add(indent + " Control[] responseControls = " +
"e.getResponseControls();");
lineList.add(indent + '}');
}
}
}
