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.atlas.web.listeners;
  
  import org.apache.atlas.web.security.BaseSecurityTest;
  import org.apache.commons.configuration.PropertiesConfiguration;
  import org.apache.hadoop.conf.Configuration;
  import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
  import org.apache.hadoop.security.UserGroupInformation;
  import org.testng.annotations.Test;
  
  import java.io.File;
  
  import static org.testng.Assert.assertFalse;
  import static org.testng.Assert.assertNotNull;
  import static org.testng.Assert.assertTrue;
  
  /**
   *
   */
  public class LoginProcessorIT extends BaseSecurityTest {
      protected static final String kerberosRule = "RULE:[1:$1@$0](.*@EXAMPLE.COM)s/@.*//\nDEFAULT";
  
      @Test
      public void testDefaultSimpleLogin() throws Exception {
          LoginProcessor processor = new LoginProcessor() {
              @Override
              protected org.apache.commons.configuration.Configuration getApplicationConfiguration() {
                  return new PropertiesConfiguration();
              }
          };
  
          processor.login();
  
          assertNotNull(UserGroupInformation.getCurrentUser());
          assertFalse(UserGroupInformation.isLoginKeytabBased());
          assertFalse(UserGroupInformation.isSecurityEnabled());
      }
  
      @Test
      public void testKerberosLogin() throws Exception {
          final File keytab = setupKDCAndPrincipals();
  
          LoginProcessor processor = new LoginProcessor() {
              @Override
              protected Configuration getHadoopConfiguration() {
                  Configuration config = new Configuration(false);
  
                  config.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHENTICATION, "kerberos");
                  config.setBoolean(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHORIZATION, true);
                  config.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTH_TO_LOCAL, kerberosRule);
  
                  return config;
              }
  
              @Override
              protected org.apache.commons.configuration.Configuration getApplicationConfiguration() {
                  PropertiesConfiguration config = new PropertiesConfiguration();
  
                  config.setProperty("atlas.authentication.method", "kerberos");
                  config.setProperty("atlas.authentication.principal", "dgi@EXAMPLE.COM");
                  config.setProperty("atlas.authentication.keytab", keytab.getAbsolutePath());
                  return config;
              }
  
              @Override
              protected boolean isHadoopCluster() {
                  return true;
              }
          };
          processor.login();
  
          assertTrue(UserGroupInformation.getLoginUser().getShortUserName().endsWith("dgi"));
          assertNotNull(UserGroupInformation.getCurrentUser());
          assertTrue(UserGroupInformation.isLoginKeytabBased());
          assertTrue(UserGroupInformation.isSecurityEnabled());
  
          kdc.stop();
      }
  
      private File setupKDCAndPrincipals() throws Exception {
          // set up the KDC
          File kdcWorkDir = startKDC();
  
          assertNotNull(kdc.getRealm());
  
          return createKeytab(kdc, kdcWorkDir, "dgi", "dgi.keytab");
      }
  }
  