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.util.Collections;
  import java.util.Set;
  
  public class AllowAllAuthorizer implements IAuthorizer
  {
      @Override
      public boolean requireAuthorization()
      {
          return false;
      }
  
      public Set<Permission> authorize(AuthenticatedUser user, IResource resource)
      {
          return resource.applicablePermissions();
      }
  
      public Set<Permission> grant(AuthenticatedUser performer, Set<Permission> permissions, IResource resource, RoleResource to)
      {
          throw new UnsupportedOperationException("GRANT operation is not supported by AllowAllAuthorizer");
      }
  
      public Set<Permission> revoke(AuthenticatedUser performer, Set<Permission> permissions, IResource resource, RoleResource from)
      {
          throw new UnsupportedOperationException("REVOKE operation is not supported by AllowAllAuthorizer");
      }
  
      public void revokeAllFrom(RoleResource droppedRole)
      {
      }
  
      public void revokeAllOn(IResource droppedResource)
      {
      }
  
      public Set<PermissionDetails> list(AuthenticatedUser performer, Set<Permission> permissions, IResource resource, RoleResource of)
      {
          throw new UnsupportedOperationException("LIST PERMISSIONS operation is not supported by AllowAllAuthorizer");
      }
  
      public Set<IResource> protectedResources()
      {
          return Collections.emptySet();
      }
  
      public void validateConfiguration()
      {
      }
  
      public void setup()
      {
      }
  }
  