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.kafka.tools;
  
  import org.apache.kafka.clients.admin.Admin;
  import org.apache.kafka.clients.admin.MockAdminClient;
  import org.apache.kafka.common.security.token.delegation.DelegationToken;
  
  import org.junit.jupiter.api.Test;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.List;
  import java.util.concurrent.ExecutionException;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class DelegationTokenCommandTest {
  
      @Test
      public void testDelegationTokenRequests() throws ExecutionException, InterruptedException {
          Admin adminClient = new MockAdminClient.Builder().build();
  
          String renewer1 = "User:renewer1";
          String renewer2 = "User:renewer2";
  
          // create token1 with renewer1
          DelegationToken tokenCreated = DelegationTokenCommand.createToken(adminClient, getCreateOpts(renewer1));
  
          List<DelegationToken> tokens = DelegationTokenCommand.describeToken(adminClient, getDescribeOpts(""));
          assertEquals(1, tokens.size());
          DelegationToken token1 = tokens.get(0);
          assertEquals(token1, tokenCreated);
  
          // create token2 with renewer2
          DelegationToken token2 = DelegationTokenCommand.createToken(adminClient, getCreateOpts(renewer2));
  
          tokens = DelegationTokenCommand.describeToken(adminClient, getDescribeOpts(""));
          assertEquals(2, tokens.size());
          assertEquals(Arrays.asList(token1, token2), tokens);
  
          //get tokens for renewer2
          tokens = DelegationTokenCommand.describeToken(adminClient, getDescribeOpts(renewer2));
          assertEquals(1, tokens.size());
          assertEquals(Collections.singletonList(token2), tokens);
  
          //test renewing tokens
          Long expiryTimestamp = DelegationTokenCommand.renewToken(adminClient, getRenewOpts(token1.hmacAsBase64String()));
          DelegationToken renewedToken = DelegationTokenCommand.describeToken(adminClient, getDescribeOpts(renewer1)).get(0);
          assertEquals(expiryTimestamp, renewedToken.tokenInfo().expiryTimestamp());
  
          //test expire tokens
          DelegationTokenCommand.expireToken(adminClient, getExpireOpts(token1.hmacAsBase64String()));
          DelegationTokenCommand.expireToken(adminClient, getExpireOpts(token2.hmacAsBase64String()));
  
          tokens = DelegationTokenCommand.describeToken(adminClient, getDescribeOpts(""));
          assertEquals(0, tokens.size());
  
          //create token with invalid renewer principal type
          assertThrows(ExecutionException.class, () -> DelegationTokenCommand.createToken(adminClient, getCreateOpts("Group:Renewer3")));
  
          // try describing tokens for unknown owner
          assertTrue(DelegationTokenCommand.describeToken(adminClient, getDescribeOpts("User:Unknown")).isEmpty());
  
      }
  
      private DelegationTokenCommand.DelegationTokenCommandOptions getCreateOpts(String renewer) {
          String[] args = {"--bootstrap-server", "localhost:9092", "--max-life-time-period", "-1", "--command-config", "testfile", "--create", "--renewer-principal", renewer};
          return new DelegationTokenCommand.DelegationTokenCommandOptions(args);
      }
  
      private DelegationTokenCommand.DelegationTokenCommandOptions getDescribeOpts(String owner) {
          List<String> args = new ArrayList<>();
          args.add("--bootstrap-server");
          args.add("localhost:9092");
          args.add("--command-config");
          args.add("testfile");
          args.add("--describe");
          if (!owner.isEmpty()) {
              args.add("--owner-principal");
              args.add(owner);
          }
          return new DelegationTokenCommand.DelegationTokenCommandOptions(args.toArray(new String[0]));
      }
  
      private DelegationTokenCommand.DelegationTokenCommandOptions getRenewOpts(String hmac) {
          String[] args = {"--bootstrap-server", "localhost:9092", "--command-config", "testfile", "--renew", "--renew-time-period", "604800000", "--hmac", hmac};
          return new DelegationTokenCommand.DelegationTokenCommandOptions(args);
      }
  
      private DelegationTokenCommand.DelegationTokenCommandOptions getExpireOpts(String hmac) {
          String[] args = {"--bootstrap-server", "localhost:9092", "--command-config", "testfile", "--expire", "--expiry-time-period", "-1", "--hmac", hmac};
          return new DelegationTokenCommand.DelegationTokenCommandOptions(args);
      }
  }
  