UnboundID Server SDK

ExampleScriptedAccountStatusNotificationHandler.groovy

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package com.unboundid.directory.sdk.examples.groovy;



import java.util.Date;
import java.util.List;

import com.unboundid.directory.sdk.common.types.AlertSeverity;
import com.unboundid.directory.sdk.ds.config.AccountStatusNotificationHandlerConfig;
import com.unboundid.directory.sdk.ds.scripting.ScriptedAccountStatusNotificationHandler;
import com.unboundid.directory.sdk.ds.types.AccountStatusNotification;
import com.unboundid.directory.sdk.ds.types.AccountStatusNotificationProperty;
import com.unboundid.directory.sdk.ds.types.AccountStatusNotificationType;
import com.unboundid.directory.sdk.ds.types.DirectoryServerContext;
import com.unboundid.ldap.sdk.LDAPException;
import com.unboundid.util.StaticUtils;
import com.unboundid.util.args.ArgumentParser;



/**
 * This class provides a simple example of a scripted account status
 * notification handler which will generate an administrative alert any time a
 * user account has been locked as a result of too many failed bind attempts.
 */
public final class ExampleScriptedAccountStatusNotificationHandler
       extends ScriptedAccountStatusNotificationHandler
{
  // The server context for the server in which this extension is running.
  private DirectoryServerContext serverContext = null;



  /**
   * Creates a new instance of this account status notification handler.  All
   * account status notification handler implementations must include a default
   * constructor, but any initialization should generally be done in the
   * {@code initializeAccountStatusNotificationHandler} method.
   */
  public ExampleScriptedAccountStatusNotificationHandler()
  {
    // No implementation required.
  }



  /**
   * Initializes this account status notification handler.
   *
   * @param  serverContext  A handle to the server context for the server in
   *                        which this extension is running.
   * @param  config         The general configuration for this account status
   *                        notification handler.
   * @param  parser         The argument parser which has been initialized from
   *                        the configuration for this account status
   *                        notification handler.
   *
   * @throws  LDAPException  If a problem occurs while initializing this account
   *                         status notification handler.
   */
  @Override()
  public void initializeAccountStatusNotificationHandler(
                   final DirectoryServerContext serverContext,
                   final AccountStatusNotificationHandlerConfig config,
                   final ArgumentParser parser)
         throws LDAPException
  {
    serverContext.debugInfo(
         "Beginning account status notification handler initialization");

    this.serverContext = serverContext;
  }



  /**
   * Performs any processing that may be necessary in conjunction with the
   * provided account status notification.
   *
   * @param  notification  The account status notification to be processed.
   */
  @Override()
  public void handleStatusNotification(
                   final AccountStatusNotification notification)
  {
    switch (notification.getNotificationType())
    {
      case AccountStatusNotificationType.ACCOUNT_PERMANENTLY_LOCKED:
      case AccountStatusNotificationType.ACCOUNT_TEMPORARILY_LOCKED:
        // These notification types will result in administrative alerts.  That
        // will be done later in this method.
        break;

      default:
        // We will not generate an alert for these notification types.
        return;
    }

    // See if there is an unlock time.
    Date unlockTime = null;
    try
    {
      final List<String> unlockTimeValues =
           notification.getNotificationProperty(
                AccountStatusNotificationProperty.ACCOUNT_UNLOCK_TIME);
      if ((unlockTimeValues != null) && (! unlockTimeValues.isEmpty()))
      {
        unlockTime = StaticUtils.decodeGeneralizedTime(unlockTimeValues.get(0));
      }
    }
    catch (final Exception e)
    {
      serverContext.debugCaught(e);
    }


    // Generate a message to include in the alert.
    final StringBuilder alertMessage = new StringBuilder();
    alertMessage.append("User account '");
    alertMessage.append(notification.getUserDN());
    alertMessage.append("' has been locked as a result of too many failed "+
         "authentication attempts.  The account will remain locked until ");

    if (unlockTime != null)
    {
      alertMessage.append(unlockTime);
      alertMessage.append(" or until ");
    }

    alertMessage.append("an administrator resets the user's password.");

    serverContext.sendAlert(AlertSeverity.INFO, alertMessage.toString());
  }
}