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.tools.nodetool;
  
  import org.junit.BeforeClass;
  import org.junit.Test;
  
  import com.datastax.driver.core.EndPoint;
  import com.datastax.driver.core.PlainTextAuthProvider;
  import org.apache.cassandra.auth.AuthTestUtils;
  import org.apache.cassandra.auth.AuthenticatedUser;
  import org.apache.cassandra.auth.IAuthenticator;
  import org.apache.cassandra.auth.IRoleManager;
  import org.apache.cassandra.auth.PasswordAuthenticator;
  import org.apache.cassandra.config.DatabaseDescriptor;
  import org.apache.cassandra.cql3.CQLTester;
  import org.apache.cassandra.tools.ToolRunner;
  
  import static org.apache.cassandra.auth.AuthTestUtils.ROLE_A;
  import static org.apache.cassandra.auth.AuthTestUtils.ROLE_B;
  import static org.apache.cassandra.auth.AuthTestUtils.getRolesReadCount;
  import static org.assertj.core.api.Assertions.assertThat;
  
  /**
   * @see InvalidateCredentialsCache
   */
  public class InvalidateCredentialsCacheTest extends CQLTester
  {
      private static IAuthenticator.SaslNegotiator roleANegotiator;
      private static IAuthenticator.SaslNegotiator roleBNegotiator;
  
      @BeforeClass
      public static void setup() throws Exception
      {
          CQLTester.requireAuthentication();
          IRoleManager roleManager = DatabaseDescriptor.getRoleManager();
          roleManager.createRole(AuthenticatedUser.SYSTEM_USER, ROLE_A, AuthTestUtils.getLoginRoleOptions());
          roleManager.createRole(AuthenticatedUser.SYSTEM_USER, ROLE_B, AuthTestUtils.getLoginRoleOptions());
          PasswordAuthenticator passwordAuthenticator = (PasswordAuthenticator) DatabaseDescriptor.getAuthenticator();
          roleANegotiator = passwordAuthenticator.newSaslNegotiator(null);
          roleANegotiator.evaluateResponse(new PlainTextAuthProvider(ROLE_A.getRoleName(), "ignored")
                  .newAuthenticator((EndPoint) null, null)
                  .initialResponse());
          roleBNegotiator = passwordAuthenticator.newSaslNegotiator(null);
          roleBNegotiator.evaluateResponse(new PlainTextAuthProvider(ROLE_B.getRoleName(), "ignored")
                  .newAuthenticator((EndPoint) null, null)
                  .initialResponse());
          requireNetwork();
          startJMXServer();
      }
  
      @Test
      public void testInvalidateSingleCredential()
      {
          // cache credential
          roleANegotiator.getAuthenticatedUser();
          long originalReadsCount = getRolesReadCount();
  
          // enure credential is cached
          assertThat(roleANegotiator.getAuthenticatedUser()).isEqualTo(new AuthenticatedUser(ROLE_A.getRoleName()));
          assertThat(originalReadsCount).isEqualTo(getRolesReadCount());
  
          // invalidate credential
          ToolRunner.ToolResult tool = ToolRunner.invokeNodetool("invalidatecredentialscache", ROLE_A.getRoleName());
          tool.assertOnCleanExit();
          assertThat(tool.getStdout()).isEmpty();
  
          // ensure credential is reloaded
          assertThat(roleANegotiator.getAuthenticatedUser()).isEqualTo(new AuthenticatedUser(ROLE_A.getRoleName()));
          assertThat(originalReadsCount).isLessThan(getRolesReadCount());
      }
  
      @Test
      public void testInvalidateAllCredentials()
      {
          // cache credentials
          roleANegotiator.getAuthenticatedUser();
          roleBNegotiator.getAuthenticatedUser();
          long originalReadsCount = getRolesReadCount();
  
          // enure credentials are cached
          assertThat(roleANegotiator.getAuthenticatedUser()).isEqualTo(new AuthenticatedUser(ROLE_A.getRoleName()));
          assertThat(roleBNegotiator.getAuthenticatedUser()).isEqualTo(new AuthenticatedUser(ROLE_B.getRoleName()));
          assertThat(originalReadsCount).isEqualTo(getRolesReadCount());
  
          // invalidate both credentials
          ToolRunner.ToolResult tool = ToolRunner.invokeNodetool("invalidatecredentialscache");
          tool.assertOnCleanExit();
          assertThat(tool.getStdout()).isEmpty();
  
          // ensure credential for roleA is reloaded
          assertThat(roleANegotiator.getAuthenticatedUser()).isEqualTo(new AuthenticatedUser(ROLE_A.getRoleName()));
          long readsCountAfterFirstReLoad = getRolesReadCount();
          assertThat(originalReadsCount).isLessThan(readsCountAfterFirstReLoad);
  
          // ensure credential for roleB is reloaded
          assertThat(roleBNegotiator.getAuthenticatedUser()).isEqualTo(new AuthenticatedUser(ROLE_B.getRoleName()));
          long readsCountAfterSecondReLoad = getRolesReadCount();
          assertThat(readsCountAfterFirstReLoad).isLessThan(readsCountAfterSecondReLoad);
      }
  }
  