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.bifromq.plugin.authprovider;
  
  import org.apache.bifromq.plugin.authprovider.type.CheckResult;
  import org.apache.bifromq.plugin.authprovider.type.MQTT3AuthData;
  import org.apache.bifromq.plugin.authprovider.type.Granted;
  import org.apache.bifromq.plugin.authprovider.type.MQTT3AuthResult;
  import org.apache.bifromq.plugin.authprovider.type.MQTTAction;
  import org.apache.bifromq.plugin.authprovider.type.Ok;
  import org.apache.bifromq.type.ClientInfo;
  import com.google.common.base.Strings;
  import java.util.concurrent.CompletableFuture;
  
  class DevOnlyAuthProvider implements IAuthProvider {
      private static final CheckResult GRANTED = CheckResult.newBuilder().setGranted(
          Granted.getDefaultInstance()).build();
  
      @Override
      public CompletableFuture<MQTT3AuthResult> auth(MQTT3AuthData authData) {
          if (!Strings.isNullOrEmpty(authData.getUsername())) {
              String[] username = authData.getUsername().split("/");
              if (username.length == 2) {
                  return CompletableFuture.completedFuture(MQTT3AuthResult
                      .newBuilder()
                      .setOk(Ok.newBuilder()
                          .setTenantId(username[0])
                          .setUserId(username[1])
                          .build())
                      .build());
              } else {
                  return CompletableFuture.completedFuture(MQTT3AuthResult.newBuilder()
                      .setOk(Ok.newBuilder()
                          .setTenantId("DevOnly")
                          .setUserId(authData.getUsername()).build())
                      .build());
              }
          } else {
              return CompletableFuture.completedFuture(MQTT3AuthResult.newBuilder()
                  .setOk(Ok.newBuilder()
                      .setTenantId("DevOnly")
                      .setUserId("DevUser").build())
                  .build());
          }
      }
  
      @Override
      public CompletableFuture<Boolean> check(ClientInfo clientInfo, MQTTAction action) {
          return CompletableFuture.completedFuture(true);
      }
  
      @Override
      public CompletableFuture<CheckResult> checkPermission(ClientInfo client, MQTTAction action) {
          return CompletableFuture.completedFuture(GRANTED);
      }
  }