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.auth;
  
  import java.net.InetSocketAddress;
  import java.util.Collections;
  
  import com.google.common.collect.Iterables;
  import com.google.common.collect.Sets;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.BeforeClass;
  import org.junit.Test;
  
  import org.apache.cassandra.SchemaLoader;
  import org.apache.cassandra.cql3.CQLTester;
  import org.apache.cassandra.cql3.QueryProcessor;
  import org.apache.cassandra.cql3.UntypedResultSet;
  import org.apache.cassandra.db.Keyspace;
  import org.apache.cassandra.db.marshal.UTF8Type;
  import org.apache.cassandra.exceptions.ConfigurationException;
  import org.apache.cassandra.service.ClientState;
  
  import static org.apache.cassandra.auth.AuthKeyspace.CIDR_GROUPS;
  import static org.apache.cassandra.auth.AuthKeyspace.CIDR_PERMISSIONS;
  import static org.apache.cassandra.auth.AuthTestUtils.auth;
  import static org.apache.cassandra.schema.SchemaConstants.AUTH_KEYSPACE_NAME;
  
  /**
   * Tests to verify AllowAllCIDRAuthorizer allows access from any CIDR
   */
  public class AllowAllCIDRAuthorizerTest extends CQLTester
  {
      @BeforeClass
      public static void defineSchema() throws ConfigurationException
      {
          SchemaLoader.setupAuth(new AuthTestUtils.LocalCassandraRoleManager(),
                                 new AuthTestUtils.LocalPasswordAuthenticator(),
                                 new AuthTestUtils.LocalCassandraAuthorizer(),
                                 new AuthTestUtils.LocalCassandraNetworkAuthorizer(),
                                 new AuthTestUtils.LocalAllowAllCIDRAuthorizer());
          AuthTestUtils.setupSuperUser();
      }
  
      @Before
      public void before()
      {
          Keyspace.open(AUTH_KEYSPACE_NAME).getColumnFamilyStore(CIDR_GROUPS).truncateBlocking();
          Keyspace.open(AUTH_KEYSPACE_NAME).getColumnFamilyStore(CIDR_PERMISSIONS).truncateBlocking();
      }
  
      private void testAccessSucceeds(String userName, String ip)
      {
          InetSocketAddress ipAddr = new InetSocketAddress(ip, 0);
  
          AuthenticatedUser user = new AuthenticatedUser(userName);
          Assert.assertTrue(user.hasAccessFromIp(ipAddr));
  
          ClientState clientState = ClientState.forExternalCalls(ipAddr);
          clientState.login(user);
          clientState.validateLogin(); // expect no exception
      }
  
      @Test
      public void testSuperUser()
      {
          testAccessSucceeds(CassandraRoleManager.DEFAULT_SUPERUSER_NAME, "10.20.30.5");
      }
  
      @Test
      public void testUserWithoutCidrRestrictions()
      {
          String roleName = "role1";
          auth("CREATE ROLE %s WITH password = 'password' AND LOGIN = true ",
               roleName);
          testAccessSucceeds(roleName, "127.0.0.1");
      }
  
      @Test
      public void testUserWithRestrictingCidrGroups()
      {
          String roleName = "role1";
          auth("CREATE ROLE %s WITH password = 'password' AND LOGIN = true AND ACCESS FROM CIDRS { 'cidrGroup1' }",
               roleName);
          testAccessSucceeds(roleName, "12.0.0.1");
      }
  
      @Test
      public void testUserAllowedforAllCidrs()
      {
          String roleName = "role1";
          auth("CREATE ROLE %s WITH password = 'password' AND LOGIN = true AND ACCESS FROM ALL CIDRS",
               roleName);
          testAccessSucceeds(roleName, "17.0.0.1");
      }
  
      private UntypedResultSet getCidrGroups(String role)
      {
          String query = String.format("SELECT %s FROM %s.%s WHERE role = '%s'",
                                       "cidr_groups",
                                       AUTH_KEYSPACE_NAME,
                                       CIDR_PERMISSIONS,
                                       RoleResource.role(role).getRoleName());
          return QueryProcessor.executeInternal(query);
      }
  
      // Create role command with access from cidrs clause should work even when CIDR authorizer is disabled
      @Test
      public void testCreateAndDropRoleWithCidrsClause() throws Throwable
      {
          String role = "role1";
  
          assertEmpty(getCidrGroups(role));
  
          AuthTestUtils.createUsersWithCidrAccess(Collections.singletonMap(role,
                                                                           Collections.singletonList("cidrGroup1")));
          UntypedResultSet results = getCidrGroups(role);
          Assert.assertEquals(Sets.newHashSet("cidrGroup1"),
                              Iterables.getOnlyElement(results).getFrozenSet("cidr_groups", UTF8Type.instance));
  
          AuthTestUtils.auth("DROP ROLE %s", role);
          assertEmpty(getCidrGroups(role));
      }
  
      // Alter role command with access from cidrs clause should work even when CIDR authorizer is disabled
      @Test
      public void testAlterAndDropRoleWithCidrsClause() throws Throwable
      {
          String role = "role1";
  
          assertEmpty(getCidrGroups(role));
  
          auth("CREATE ROLE %s WITH password = 'password' AND LOGIN = true ", role);
          auth("ALTER ROLE %s WITH ACCESS FROM CIDRS {'%s'}", role, "cidrGroup1");
  
          UntypedResultSet results = getCidrGroups(role);
          Assert.assertEquals(Sets.newHashSet("cidrGroup1"),
                              Iterables.getOnlyElement(results).getFrozenSet("cidr_groups", UTF8Type.instance));
  
          AuthTestUtils.auth("DROP ROLE %s", role);
          assertEmpty(getCidrGroups(role));
      }
  }
  