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 com.datastax.oss.driver.core.ssl;
  
  import com.datastax.oss.driver.api.core.AllNodesFailedException;
  import com.datastax.oss.driver.api.core.CqlSession;
  import com.datastax.oss.driver.api.core.config.DefaultDriverOption;
  import com.datastax.oss.driver.api.core.config.DriverConfigLoader;
  import com.datastax.oss.driver.api.core.context.DriverContext;
  import com.datastax.oss.driver.api.testinfra.ccm.CcmBridge;
  import com.datastax.oss.driver.api.testinfra.ccm.CustomCcmRule;
  import com.datastax.oss.driver.api.testinfra.session.SessionUtils;
  import com.datastax.oss.driver.assertions.Assertions;
  import com.datastax.oss.driver.internal.core.ssl.DefaultSslEngineFactory;
  import java.net.InetSocketAddress;
  import org.junit.ClassRule;
  import org.junit.Test;
  
  public class DefaultSslEngineFactoryIT {
  
    @ClassRule public static final CustomCcmRule CCM_RULE = CustomCcmRule.builder().withSsl().build();
  
    @Test
    public void should_connect_with_ssl() {
      DriverConfigLoader loader =
          SessionUtils.configLoaderBuilder()
              .withClass(DefaultDriverOption.SSL_ENGINE_FACTORY_CLASS, DefaultSslEngineFactory.class)
              .withBoolean(DefaultDriverOption.SSL_HOSTNAME_VALIDATION, false)
              .withString(
                  DefaultDriverOption.SSL_TRUSTSTORE_PATH,
                  CcmBridge.DEFAULT_CLIENT_TRUSTSTORE_FILE.getAbsolutePath())
              .withString(
                  DefaultDriverOption.SSL_TRUSTSTORE_PASSWORD,
                  CcmBridge.DEFAULT_CLIENT_TRUSTSTORE_PASSWORD)
              .build();
  
      try (CqlSession session = SessionUtils.newSession(CCM_RULE, loader)) {
        session.execute("select * from system.local");
      }
    }
  
    @Test(expected = AllNodesFailedException.class)
    public void should_not_connect_if_hostname_validation_enabled_and_hostname_does_not_match() {
      // should not succeed as certificate does not have a CN that would match hostname,
      // (unless hostname is node1).
      DriverConfigLoader loader =
          SessionUtils.configLoaderBuilder()
              .withClass(DefaultDriverOption.SSL_ENGINE_FACTORY_CLASS, DefaultSslEngineFactory.class)
              .withString(
                  DefaultDriverOption.SSL_TRUSTSTORE_PATH,
                  CcmBridge.DEFAULT_CLIENT_TRUSTSTORE_FILE.getAbsolutePath())
              .withString(
                  DefaultDriverOption.SSL_TRUSTSTORE_PASSWORD,
                  CcmBridge.DEFAULT_CLIENT_TRUSTSTORE_PASSWORD)
              .build();
      try (CqlSession session = SessionUtils.newSession(CCM_RULE, loader)) {
        session.execute("select * from system.local");
      }
    }
  
    @Test(expected = AllNodesFailedException.class)
    public void should_not_connect_if_truststore_not_provided() {
      DriverConfigLoader loader =
          SessionUtils.configLoaderBuilder()
              .withClass(DefaultDriverOption.SSL_ENGINE_FACTORY_CLASS, DefaultSslEngineFactory.class)
              .withBoolean(DefaultDriverOption.SSL_HOSTNAME_VALIDATION, false)
              .build();
      try (CqlSession session = SessionUtils.newSession(CCM_RULE, loader)) {
        session.execute("select * from system.local");
      }
    }
  
    @Test(expected = AllNodesFailedException.class)
    public void should_not_connect_if_not_using_ssl() {
      try (CqlSession session = SessionUtils.newSession(CCM_RULE)) {
        session.execute("select * from system.local");
      }
    }
  
    public static class InstrumentedSslEngineFactory extends DefaultSslEngineFactory {
      int countReverseLookups = 0;
      int countNoLookups = 0;
  
      public InstrumentedSslEngineFactory(DriverContext driverContext) {
        super(driverContext);
      }
  
      @Override
      protected String hostMaybeFromDnsReverseLookup(InetSocketAddress addr) {
        countReverseLookups++;
        return super.hostMaybeFromDnsReverseLookup(addr);
      }
  
      @Override
      protected String hostNoLookup(InetSocketAddress addr) {
        countNoLookups++;
        return super.hostNoLookup(addr);
      }
    };
  
    @Test
    public void should_respect_config_for_san_resolution() {
      DriverConfigLoader loader =
          SessionUtils.configLoaderBuilder()
              .withClass(
                  DefaultDriverOption.SSL_ENGINE_FACTORY_CLASS, InstrumentedSslEngineFactory.class)
              .withBoolean(DefaultDriverOption.SSL_HOSTNAME_VALIDATION, false)
              .withString(
                  DefaultDriverOption.SSL_TRUSTSTORE_PATH,
                  CcmBridge.DEFAULT_CLIENT_TRUSTSTORE_FILE.getAbsolutePath())
              .withString(
                  DefaultDriverOption.SSL_TRUSTSTORE_PASSWORD,
                  CcmBridge.DEFAULT_CLIENT_TRUSTSTORE_PASSWORD)
              .build();
      try (CqlSession session = SessionUtils.newSession(CCM_RULE, loader)) {
        InstrumentedSslEngineFactory ssl =
            (InstrumentedSslEngineFactory) session.getContext().getSslEngineFactory().get();
        Assertions.assertThat(ssl.countReverseLookups).isGreaterThan(0);
        Assertions.assertThat(ssl.countNoLookups).isEqualTo(0);
      }
  
      loader =
          SessionUtils.configLoaderBuilder()
              .withClass(
                  DefaultDriverOption.SSL_ENGINE_FACTORY_CLASS, InstrumentedSslEngineFactory.class)
              .withBoolean(DefaultDriverOption.SSL_HOSTNAME_VALIDATION, false)
              .withString(
                  DefaultDriverOption.SSL_TRUSTSTORE_PATH,
                  CcmBridge.DEFAULT_CLIENT_TRUSTSTORE_FILE.getAbsolutePath())
              .withString(
                  DefaultDriverOption.SSL_TRUSTSTORE_PASSWORD,
                  CcmBridge.DEFAULT_CLIENT_TRUSTSTORE_PASSWORD)
              .withBoolean(DefaultDriverOption.SSL_ALLOW_DNS_REVERSE_LOOKUP_SAN, false)
              .build();
      try (CqlSession session = SessionUtils.newSession(CCM_RULE, loader)) {
        InstrumentedSslEngineFactory ssl =
            (InstrumentedSslEngineFactory) session.getContext().getSslEngineFactory().get();
        Assertions.assertThat(ssl.countReverseLookups).isEqualTo(0);
        Assertions.assertThat(ssl.countNoLookups).isGreaterThan(0);
      }
    }
  }
  