content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.
   */
  package org.apache.cassandra.auth;
  
  import java.net.InetAddress;
  import java.util.Collections;
  import java.util.Map;
  import java.util.Set;
  
  import org.apache.cassandra.exceptions.AuthenticationException;
  import org.apache.cassandra.exceptions.ConfigurationException;
  
  public class AllowAllAuthenticator implements IAuthenticator
  {
      private static final SaslNegotiator AUTHENTICATOR_INSTANCE = new Negotiator();
  
      private static final Set<AuthenticationMode> AUTHENTICATION_MODES = Collections.singleton(AuthenticationMode.UNAUTHENTICATED);
  
      public boolean requireAuthentication()
      {
          return false;
      }
  
      public Set<IResource> protectedResources()
      {
          return Collections.emptySet();
      }
  
      public void validateConfiguration() throws ConfigurationException
      {
      }
  
      public void setup()
      {
      }
  
      public SaslNegotiator newSaslNegotiator(InetAddress clientAddress)
      {
          return AUTHENTICATOR_INSTANCE;
      }
  
      @Override
      public Set<AuthenticationMode> getSupportedAuthenticationModes()
      {
          return AUTHENTICATION_MODES;
      }
  
      public AuthenticatedUser legacyAuthenticate(Map<String, String> credentialsData)
      {
          return AuthenticatedUser.ANONYMOUS_USER;
      }
  
      private static class Negotiator implements SaslNegotiator
      {
  
          public byte[] evaluateResponse(byte[] clientResponse) throws AuthenticationException
          {
              return null;
          }
  
          public boolean isComplete()
          {
              return true;
          }
  
          public AuthenticatedUser getAuthenticatedUser() throws AuthenticationException
          {
              return AuthenticatedUser.ANONYMOUS_USER;
          }
      }
  }
  