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.sidecar.acl.authorization;
  
  import io.vertx.core.AsyncResult;
  import io.vertx.core.Future;
  import io.vertx.core.Handler;
  import io.vertx.ext.auth.User;
  import io.vertx.ext.auth.authorization.Authorization;
  import io.vertx.ext.auth.authorization.AuthorizationContext;
  import io.vertx.ext.auth.authorization.AuthorizationProvider;
  
  /**
   * {@link AuthorizationProvider} implementation to allow all requests regardless of authorizations user holds.
   */
  public class AllowAllAuthorizationProvider implements AuthorizationProvider
  {
      final Authorization authorization;
  
      public AllowAllAuthorizationProvider()
      {
          // Authorization that always allows
          authorization = new Authorization()
          {
              @Override
              public boolean match(AuthorizationContext context)
              {
                  return true;
              }
  
              @Override
              public boolean verify(Authorization authorization)
              {
                  return true;
              }
          };
      }
  
      /**
       * @return unique id representing {@code AllowAllAuthorizationProvider}
       */
      @Override
      public String getId()
      {
          return "AllowAll";
      }
  
      @Override
      public void getAuthorizations(User user, Handler<AsyncResult<Void>> handler)
      {
          getAuthorizations(user).onComplete(handler);
      }
  
      @Override
      public Future<Void> getAuthorizations(User user)
      {
          if (user == null)
          {
              return Future.failedFuture("User cannot be null");
          }
  
          user.authorizations().add(getId(), authorization);
          return Future.succeededFuture();
      }
  }
  