content: /*
   * Copyright 2014-2025 Real Logic Limited.
   *
   * 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
   *
   * https://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 io.aeron.samples.archive;
  
  import io.aeron.security.AuthorisationService;
  import org.agrona.collections.ObjectHashSet;
  
  import java.nio.charset.StandardCharsets;
  import java.util.Collection;
  
  /**
   * Trivial authorisation service that allows a set of US-ASCII encoded principals access to all services.
   */
  public class SampleAuthorisationService implements AuthorisationService
  {
      private final ObjectHashSet<String> allowedPrincipals = new ObjectHashSet<>();
  
      /**
       * Create with a collection of principals that are allowed access to resources governed by this service.
       *
       * @param allowedPrincipals the collection of principals allow to access servivce
       */
      public SampleAuthorisationService(final Collection<String> allowedPrincipals)
      {
          this.allowedPrincipals.addAll(allowedPrincipals);
      }
  
      /**
       * {@inheritDoc}
       */
      public boolean isAuthorised(
          final int protocolId,
          final int actionId,
          final Object type,
          final byte[] encodedPrincipal)
      {
          final String principal = new String(encodedPrincipal, StandardCharsets.US_ASCII);
          return allowedPrincipals.contains(principal);
      }
  }
  