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• 6.0.3
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• SCRAMSHA1BindRequest.java

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com.unboundid.ldap.sdk.SCRAMSHA1BindRequest Maven / Gradle / Ivy

/*
 * Copyright 2019-2021 Ping Identity Corporation
 * All Rights Reserved.
 */
/*
 * Copyright 2019-2021 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) 2019-2021 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.asn1.ASN1OctetString;
import com.unboundid.util.NotNull;
import com.unboundid.util.Nullable;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;



/**
 * This class provides an implementation of the SCRAM-SHA-1 SASL mechanism as
 * described in RFC 5802.
 */
@ThreadSafety(level=ThreadSafetyLevel.NOT_THREADSAFE)
public final class SCRAMSHA1BindRequest
       extends SCRAMBindRequest
{
  /**
   * The name for the SCRAM-SHA-1 SASL mechanism.
   */
  @NotNull public static final String SCRAM_SHA_1_MECHANISM_NAME =
       "SCRAM-SHA-1";



  /**
   * The serial version UID for this serializable class.
   */
  private static final long serialVersionUID = -1807244826649889525L;



  /**
   * Creates a new SCRAM-SHA-1 bind request with the provided information.
   *
   * @param username The username for this bind request.  It must not be {@code
   *                 null} or empty.
   * @param password The password for this bind request.  It must not be {@code
   *                 null} or empty.
   * @param controls The set of controls to include in the bind request.  It may
   *                 be {@code null} or empty if no controls are needed.
   */
  public SCRAMSHA1BindRequest(@NotNull final String username,
                              @NotNull final String password,
                              @Nullable final Control... controls)
  {
    super(username, new ASN1OctetString(password), controls);
  }



  /**
   * Creates a new SCRAM-SHA-1 bind request with the provided information.
   *
   * @param username The username for this bind request.  It must not be {@code
   *                 null} or empty.
   * @param password The password for this bind request.  It must not be {@code
   *                 null} or empty.
   * @param controls The set of controls to include in the bind request.  It may
   *                 be {@code null} or empty if no controls are needed.
   */
  public SCRAMSHA1BindRequest(@NotNull final String username,
                              @NotNull final byte[] password,
                              @Nullable final Control... controls)
  {
    super(username, new ASN1OctetString(password), controls);
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  @NotNull()
  public String getSASLMechanismName()
  {
    return SCRAM_SHA_1_MECHANISM_NAME;
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  @NotNull()
  protected String getDigestAlgorithmName()
  {
    return "SHA-1";
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  @NotNull()
  protected String getMACAlgorithmName()
  {
    return "HmacSHA1";
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  @NotNull()
  public SCRAMSHA1BindRequest getRebindRequest(@NotNull final String host,
                                               final int port)
  {
    return duplicate();
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  @NotNull()
  public SCRAMSHA1BindRequest duplicate()
  {
    return duplicate(getControls());
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  @NotNull()
  public SCRAMSHA1BindRequest duplicate(@Nullable final Control[] controls)
  {
    return new SCRAMSHA1BindRequest(getUsername(), getPasswordBytes(),
         controls);
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public void toString(@NotNull final StringBuilder buffer)
  {
    buffer.append("SCRAMSHA1BindRequest(username='");
    buffer.append(getUsername());
    buffer.append('\'');

    final Control[] controls = getControls();
    if (controls.length > 0)
    {
      buffer.append(", controls={");
      for (int i=0; i < controls.length; i++)
      {
        if (i > 0)
        {
          buffer.append(", ");
        }

        buffer.append(controls[i]);
      }
      buffer.append('}');
    }

    buffer.append(')');
  }



  /**
   * {@inheritDoc}
   */
  @Override()
  public void toCode(@NotNull final List lineList,
                     @NotNull final String requestID,
                     final int indentSpaces, final boolean includeProcessing)
  {
    // Create the request variable.
    final List constructorArgs = new ArrayList<>(4);
    constructorArgs.add(ToCodeArgHelper.createString(getUsername(),
         "Username"));
    constructorArgs.add(ToCodeArgHelper.createString("---redacted-password---",
         "Password"));

    final Control[] controls = getControls();
    if (controls.length > 0)
    {
      constructorArgs.add(ToCodeArgHelper.createControlArray(controls,
           "Bind Controls"));
    }

    ToCodeHelper.generateMethodCall(lineList, indentSpaces,
         "SCRAMSHA1BindRequest", requestID + "Request",
         "new SCRAMSHA1BindRequest", 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 + '}');
    }
  }
}