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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   * http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.hadoop.hbase.security.access;
19  
20  import static org.apache.hadoop.hbase.AuthUtil.toGroupEntry;
21  import static org.junit.Assert.assertEquals;
22  import static org.junit.Assert.assertTrue;
23  
24  import java.util.List;
25  import java.util.Arrays;
26  import java.util.Map;
27  
28  import org.apache.commons.logging.Log;
29  import org.apache.commons.logging.LogFactory;
30  import org.apache.hadoop.conf.Configuration;
31  import org.apache.hadoop.hbase.HBaseTestingUtility;
32  import org.apache.hadoop.hbase.HColumnDescriptor;
33  import org.apache.hadoop.hbase.HConstants;
34  import org.apache.hadoop.hbase.HTableDescriptor;
35  import org.apache.hadoop.hbase.NamespaceDescriptor;
36  import org.apache.hadoop.hbase.testclassification.MediumTests;
37  import org.apache.hadoop.hbase.TableName;
38  import org.apache.hadoop.hbase.client.Admin;
39  import org.apache.hadoop.hbase.client.Connection;
40  import org.apache.hadoop.hbase.client.ConnectionFactory;
41  import org.apache.hadoop.hbase.client.Get;
42  import org.apache.hadoop.hbase.client.Result;
43  import org.apache.hadoop.hbase.client.Table;
44  import org.apache.hadoop.hbase.coprocessor.MasterCoprocessorEnvironment;
45  import org.apache.hadoop.hbase.coprocessor.ObserverContext;
46  import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
47  import org.apache.hadoop.hbase.protobuf.generated.AccessControlProtos.AccessControlService;
48  import org.apache.hadoop.hbase.security.User;
49  import org.apache.hadoop.hbase.security.access.Permission.Action;
50  import org.apache.hadoop.hbase.util.Bytes;
51  import org.junit.AfterClass;
52  import org.junit.BeforeClass;
53  import org.junit.Test;
54  import org.junit.experimental.categories.Category;
55  
56  import com.google.common.collect.ListMultimap;
57  import com.google.protobuf.BlockingRpcChannel;
58  
59  @Category(MediumTests.class)
60  public class TestNamespaceCommands extends SecureTestUtil {
61    private static HBaseTestingUtility UTIL = new HBaseTestingUtility();
62    private static final Log LOG = LogFactory.getLog(TestNamespaceCommands.class);
63    private static String TEST_NAMESPACE = "ns1";
64    private static String TEST_NAMESPACE2 = "ns2";
65    private static Configuration conf;
66    private static MasterCoprocessorEnvironment CP_ENV;
67    private static AccessController ACCESS_CONTROLLER;
68  
69    // user with all permissions
70    private static User SUPERUSER;
71  
72    // user with A permission on global
73    private static User USER_GLOBAL_ADMIN;
74    // user with C permission on global
75    private static User USER_GLOBAL_CREATE;
76    // user with W permission on global
77    private static User USER_GLOBAL_WRITE;
78    // user with R permission on global
79    private static User USER_GLOBAL_READ;
80    // user with X permission on global
81    private static User USER_GLOBAL_EXEC;
82  
83    // user with A permission on namespace
84    private static User USER_NS_ADMIN;
85    // user with C permission on namespace
86    private static User USER_NS_CREATE;
87    // user with W permission on namespace
88    private static User USER_NS_WRITE;
89    // user with R permission on namespace.
90    private static User USER_NS_READ;
91    // user with X permission on namespace.
92    private static User USER_NS_EXEC;
93  
94    // user with rw permissions
95    private static User USER_TABLE_WRITE;  // TODO: WE DO NOT GIVE ANY PERMS TO THIS USER
96    //user with create table permissions alone
97    private static User USER_TABLE_CREATE; // TODO: WE DO NOT GIVE ANY PERMS TO THIS USER
98  
99    private static final String GROUP_ADMIN = "group_admin";
100   private static final String GROUP_NS_ADMIN = "group_ns_admin";
101   private static final String GROUP_CREATE = "group_create";
102   private static final String GROUP_READ = "group_read";
103   private static final String GROUP_WRITE = "group_write";
104 
105   private static User USER_GROUP_ADMIN;
106   private static User USER_GROUP_NS_ADMIN;
107   private static User USER_GROUP_CREATE;
108   private static User USER_GROUP_READ;
109   private static User USER_GROUP_WRITE;
110 
111   private static String TEST_TABLE = TEST_NAMESPACE + ":testtable";
112   private static byte[] TEST_FAMILY = Bytes.toBytes("f1");
113 
114   @BeforeClass
115   public static void beforeClass() throws Exception {
116     conf = UTIL.getConfiguration();
117     conf.setInt(HConstants.REGION_SERVER_HIGH_PRIORITY_HANDLER_COUNT, 10);
118     enableSecurity(conf);
119 
120     SUPERUSER = User.createUserForTesting(conf, "admin", new String[] { "supergroup" });
121     // Users with global permissions
122     USER_GLOBAL_ADMIN = User.createUserForTesting(conf, "global_admin", new String[0]);
123     USER_GLOBAL_CREATE = User.createUserForTesting(conf, "global_create", new String[0]);
124     USER_GLOBAL_WRITE = User.createUserForTesting(conf, "global_write", new String[0]);
125     USER_GLOBAL_READ = User.createUserForTesting(conf, "global_read", new String[0]);
126     USER_GLOBAL_EXEC = User.createUserForTesting(conf, "global_exec", new String[0]);
127 
128     USER_NS_ADMIN = User.createUserForTesting(conf, "namespace_admin", new String[0]);
129     USER_NS_CREATE = User.createUserForTesting(conf, "namespace_create", new String[0]);
130     USER_NS_WRITE = User.createUserForTesting(conf, "namespace_write", new String[0]);
131     USER_NS_READ = User.createUserForTesting(conf, "namespace_read", new String[0]);
132     USER_NS_EXEC = User.createUserForTesting(conf, "namespace_exec", new String[0]);
133 
134     USER_TABLE_CREATE = User.createUserForTesting(conf, "table_create", new String[0]);
135     USER_TABLE_WRITE = User.createUserForTesting(conf, "table_write", new String[0]);
136 
137     USER_GROUP_ADMIN =
138         User.createUserForTesting(conf, "user_group_admin", new String[] { GROUP_ADMIN });
139     USER_GROUP_NS_ADMIN =
140         User.createUserForTesting(conf, "user_group_ns_admin", new String[] { GROUP_NS_ADMIN });
141     USER_GROUP_CREATE =
142         User.createUserForTesting(conf, "user_group_create", new String[] { GROUP_CREATE });
143     USER_GROUP_READ =
144         User.createUserForTesting(conf, "user_group_read", new String[] { GROUP_READ });
145     USER_GROUP_WRITE =
146         User.createUserForTesting(conf, "user_group_write", new String[] { GROUP_WRITE });
147     // TODO: other table perms
148 
149     UTIL.startMiniCluster();
150     // Wait for the ACL table to become available
151     UTIL.waitTableAvailable(AccessControlLists.ACL_TABLE_NAME.getName(), 30 * 1000);
152 
153     ACCESS_CONTROLLER = (AccessController) UTIL.getMiniHBaseCluster().getMaster()
154       .getMasterCoprocessorHost()
155         .findCoprocessor(AccessController.class.getName());
156 
157     UTIL.getHBaseAdmin().createNamespace(NamespaceDescriptor.create(TEST_NAMESPACE).build());
158     UTIL.getHBaseAdmin().createNamespace(NamespaceDescriptor.create(TEST_NAMESPACE2).build());
159 
160     // grants on global
161     grantGlobal(UTIL, USER_GLOBAL_ADMIN.getShortName(),  Permission.Action.ADMIN);
162     grantGlobal(UTIL, USER_GLOBAL_CREATE.getShortName(), Permission.Action.CREATE);
163     grantGlobal(UTIL, USER_GLOBAL_WRITE.getShortName(),  Permission.Action.WRITE);
164     grantGlobal(UTIL, USER_GLOBAL_READ.getShortName(),   Permission.Action.READ);
165     grantGlobal(UTIL, USER_GLOBAL_EXEC.getShortName(),   Permission.Action.EXEC);
166 
167     // grants on namespace
168     grantOnNamespace(UTIL, USER_NS_ADMIN.getShortName(),  TEST_NAMESPACE, Permission.Action.ADMIN);
169     grantOnNamespace(UTIL, USER_NS_CREATE.getShortName(), TEST_NAMESPACE, Permission.Action.CREATE);
170     grantOnNamespace(UTIL, USER_NS_WRITE.getShortName(),  TEST_NAMESPACE, Permission.Action.WRITE);
171     grantOnNamespace(UTIL, USER_NS_READ.getShortName(),   TEST_NAMESPACE, Permission.Action.READ);
172     grantOnNamespace(UTIL, USER_NS_EXEC.getShortName(),   TEST_NAMESPACE, Permission.Action.EXEC);
173     grantOnNamespace(UTIL, toGroupEntry(GROUP_NS_ADMIN), TEST_NAMESPACE, Permission.Action.ADMIN);
174 
175     grantOnNamespace(UTIL, USER_NS_ADMIN.getShortName(), TEST_NAMESPACE2, Permission.Action.ADMIN);
176 
177     grantGlobal(UTIL, toGroupEntry(GROUP_ADMIN), Permission.Action.ADMIN);
178     grantGlobal(UTIL, toGroupEntry(GROUP_CREATE), Permission.Action.CREATE);
179     grantGlobal(UTIL, toGroupEntry(GROUP_READ), Permission.Action.READ);
180     grantGlobal(UTIL, toGroupEntry(GROUP_WRITE), Permission.Action.WRITE);
181   }
182 
183   @AfterClass
184   public static void afterClass() throws Exception {
185     UTIL.getHBaseAdmin().deleteNamespace(TEST_NAMESPACE);
186     UTIL.getHBaseAdmin().deleteNamespace(TEST_NAMESPACE2);
187     UTIL.shutdownMiniCluster();
188   }
189 
190   @Test
191   public void testAclTableEntries() throws Exception {
192     String userTestNamespace = "userTestNsp";
193     try(Connection conn = ConnectionFactory.createConnection(conf);
194         Table acl = conn.getTable(AccessControlLists.ACL_TABLE_NAME)) {
195       ListMultimap<String, TablePermission> perms =
196           AccessControlLists.getNamespacePermissions(conf, TEST_NAMESPACE);
197 
198       perms = AccessControlLists.getNamespacePermissions(conf, TEST_NAMESPACE);
199       for (Map.Entry<String, TablePermission> entry : perms.entries()) {
200         LOG.debug(entry);
201       }
202       assertEquals(6, perms.size());
203 
204       // Grant and check state in ACL table
205       grantOnNamespace(UTIL, userTestNamespace, TEST_NAMESPACE,
206         Permission.Action.WRITE);
207 
208       Result result = acl.get(new Get(Bytes.toBytes(userTestNamespace)));
209       assertTrue(result != null);
210       perms = AccessControlLists.getNamespacePermissions(conf, TEST_NAMESPACE);
211       assertEquals(7, perms.size());
212       List<TablePermission> namespacePerms = perms.get(userTestNamespace);
213       assertTrue(perms.containsKey(userTestNamespace));
214       assertEquals(1, namespacePerms.size());
215       assertEquals(TEST_NAMESPACE,
216         namespacePerms.get(0).getNamespace());
217       assertEquals(null, namespacePerms.get(0).getFamily());
218       assertEquals(null, namespacePerms.get(0).getQualifier());
219       assertEquals(1, namespacePerms.get(0).getActions().length);
220       assertEquals(Permission.Action.WRITE, namespacePerms.get(0).getActions()[0]);
221 
222       // Revoke and check state in ACL table
223       revokeFromNamespace(UTIL, userTestNamespace, TEST_NAMESPACE,
224         Permission.Action.WRITE);
225 
226       perms = AccessControlLists.getNamespacePermissions(conf, TEST_NAMESPACE);
227       assertEquals(6, perms.size());
228     }
229   }
230 
231   @Test
232   public void testModifyNamespace() throws Exception {
233     AccessTestAction modifyNamespace = new AccessTestAction() {
234       public Object run() throws Exception {
235         ACCESS_CONTROLLER.preModifyNamespace(ObserverContext.createAndPrepare(CP_ENV, null),
236           NamespaceDescriptor.create(TEST_NAMESPACE).addConfiguration("abc", "156").build());
237         return null;
238       }
239     };
240 
241     // modifyNamespace: superuser | global(A) | NS(A)
242     verifyAllowed(modifyNamespace, SUPERUSER, USER_GLOBAL_ADMIN, USER_GROUP_ADMIN);
243     verifyDenied(modifyNamespace, USER_GLOBAL_CREATE, USER_GLOBAL_WRITE, USER_GLOBAL_READ,
244       USER_GLOBAL_EXEC, USER_NS_ADMIN, USER_NS_CREATE, USER_NS_WRITE, USER_NS_READ, USER_NS_EXEC,
245       USER_GROUP_READ, USER_GROUP_WRITE, USER_GROUP_CREATE);
246   }
247 
248   @Test
249   public void testCreateAndDeleteNamespace() throws Exception {
250     AccessTestAction createNamespace = new AccessTestAction() {
251       @Override
252       public Object run() throws Exception {
253         ACCESS_CONTROLLER.preCreateNamespace(ObserverContext.createAndPrepare(CP_ENV, null),
254           NamespaceDescriptor.create(TEST_NAMESPACE2).build());
255         return null;
256       }
257     };
258 
259     AccessTestAction deleteNamespace = new AccessTestAction() {
260       @Override
261       public Object run() throws Exception {
262         ACCESS_CONTROLLER.preDeleteNamespace(ObserverContext.createAndPrepare(CP_ENV, null),
263           TEST_NAMESPACE2);
264         return null;
265       }
266     };
267 
268     // createNamespace: superuser | global(A)
269     verifyAllowed(createNamespace, SUPERUSER, USER_GLOBAL_ADMIN, USER_GROUP_ADMIN);
270     // all others should be denied
271     verifyDenied(createNamespace, USER_GLOBAL_CREATE, USER_GLOBAL_WRITE, USER_GLOBAL_READ,
272       USER_GLOBAL_EXEC, USER_NS_ADMIN, USER_NS_CREATE, USER_NS_WRITE, USER_NS_READ, USER_NS_EXEC,
273       USER_TABLE_CREATE, USER_TABLE_WRITE, USER_GROUP_READ, USER_GROUP_WRITE, USER_GROUP_CREATE);
274 
275     // deleteNamespace: superuser | global(A) | NS(A)
276     verifyAllowed(deleteNamespace, SUPERUSER, USER_GLOBAL_ADMIN, USER_GROUP_ADMIN);
277     verifyDenied(deleteNamespace, USER_GLOBAL_CREATE, USER_GLOBAL_WRITE, USER_GLOBAL_READ,
278       USER_GLOBAL_EXEC, USER_NS_ADMIN, USER_NS_CREATE, USER_NS_WRITE, USER_NS_READ, USER_NS_EXEC,
279       USER_TABLE_CREATE, USER_TABLE_WRITE, USER_GROUP_READ, USER_GROUP_WRITE, USER_GROUP_CREATE);
280   }
281 
282   @Test
283   public void testGetNamespaceDescriptor() throws Exception {
284     AccessTestAction getNamespaceAction = new AccessTestAction() {
285       @Override
286       public Object run() throws Exception {
287         ACCESS_CONTROLLER.preGetNamespaceDescriptor(ObserverContext.createAndPrepare(CP_ENV, null),
288           TEST_NAMESPACE);
289         return null;
290       }
291     };
292     // getNamespaceDescriptor : superuser | global(A) | NS(A)
293     verifyAllowed(getNamespaceAction, SUPERUSER, USER_GLOBAL_ADMIN, USER_NS_ADMIN,
294       USER_GROUP_ADMIN);
295     verifyDenied(getNamespaceAction, USER_GLOBAL_CREATE, USER_GLOBAL_WRITE, USER_GLOBAL_READ,
296       USER_GLOBAL_EXEC, USER_NS_CREATE, USER_NS_WRITE, USER_NS_READ, USER_NS_EXEC,
297       USER_TABLE_CREATE, USER_TABLE_WRITE, USER_GROUP_READ, USER_GROUP_WRITE, USER_GROUP_CREATE);
298   }
299 
300   @Test
301   public void testListNamespaces() throws Exception {
302     AccessTestAction listAction = new AccessTestAction() {
303       @Override
304       public Object run() throws Exception {
305         Connection unmanagedConnection =
306             ConnectionFactory.createConnection(UTIL.getConfiguration());
307         Admin admin = unmanagedConnection.getAdmin();
308         try {
309           return Arrays.asList(admin.listNamespaceDescriptors());
310         } finally {
311           admin.close();
312           unmanagedConnection.close();
313         }
314       }
315     };
316 
317     // listNamespaces         : All access*
318     // * Returned list will only show what you can call getNamespaceDescriptor()
319 
320     verifyAllowed(listAction, SUPERUSER, USER_GLOBAL_ADMIN, USER_NS_ADMIN, USER_GROUP_ADMIN);
321 
322     // we have 3 namespaces: [default, hbase, TEST_NAMESPACE, TEST_NAMESPACE2]
323     assertEquals(4, ((List)SUPERUSER.runAs(listAction)).size());
324     assertEquals(4, ((List)USER_GLOBAL_ADMIN.runAs(listAction)).size());
325     assertEquals(4, ((List)USER_GROUP_ADMIN.runAs(listAction)).size());
326 
327     assertEquals(2, ((List)USER_NS_ADMIN.runAs(listAction)).size());
328 
329     assertEquals(0, ((List)USER_GLOBAL_CREATE.runAs(listAction)).size());
330     assertEquals(0, ((List)USER_GLOBAL_WRITE.runAs(listAction)).size());
331     assertEquals(0, ((List)USER_GLOBAL_READ.runAs(listAction)).size());
332     assertEquals(0, ((List)USER_GLOBAL_EXEC.runAs(listAction)).size());
333     assertEquals(0, ((List)USER_NS_CREATE.runAs(listAction)).size());
334     assertEquals(0, ((List)USER_NS_WRITE.runAs(listAction)).size());
335     assertEquals(0, ((List)USER_NS_READ.runAs(listAction)).size());
336     assertEquals(0, ((List)USER_NS_EXEC.runAs(listAction)).size());
337     assertEquals(0, ((List)USER_TABLE_CREATE.runAs(listAction)).size());
338     assertEquals(0, ((List)USER_TABLE_WRITE.runAs(listAction)).size());
339     assertEquals(0, ((List)USER_GROUP_CREATE.runAs(listAction)).size());
340     assertEquals(0, ((List)USER_GROUP_READ.runAs(listAction)).size());
341     assertEquals(0, ((List)USER_GROUP_WRITE.runAs(listAction)).size());
342   }
343 
344   @Test
345   public void testGrantRevoke() throws Exception{
346     final String testUser = "testUser";
347 
348     // Test if client API actions are authorized
349 
350     AccessTestAction grantAction = new AccessTestAction() {
351       @Override
352       public Object run() throws Exception {
353         try(Connection conn = ConnectionFactory.createConnection(conf);
354             Table acl = conn.getTable(AccessControlLists.ACL_TABLE_NAME)) {
355           BlockingRpcChannel service =
356               acl.coprocessorService(HConstants.EMPTY_START_ROW);
357           AccessControlService.BlockingInterface protocol =
358             AccessControlService.newBlockingStub(service);
359           ProtobufUtil.grant(protocol, testUser, TEST_NAMESPACE, Action.WRITE);
360         }
361         return null;
362       }
363     };
364 
365     AccessTestAction grantNamespaceAction = new AccessTestAction() {
366       @Override
367       public Object run() throws Exception {
368         try(Connection conn = ConnectionFactory.createConnection(conf);
369             Table acl = conn.getTable(AccessControlLists.ACL_TABLE_NAME)) {
370           BlockingRpcChannel service = acl.coprocessorService(HConstants.EMPTY_START_ROW);
371           AccessControlService.BlockingInterface protocol =
372             AccessControlService.newBlockingStub(service);
373           ProtobufUtil.grant(protocol, USER_GROUP_NS_ADMIN.getShortName(),
374             TEST_NAMESPACE, Action.READ);
375         }
376         return null;
377       }
378     };
379 
380     AccessTestAction revokeAction = new AccessTestAction() {
381       public Object run() throws Exception {
382         try(Connection conn = ConnectionFactory.createConnection(conf);
383             Table acl = conn.getTable(AccessControlLists.ACL_TABLE_NAME)) {
384           BlockingRpcChannel service =
385               acl.coprocessorService(HConstants.EMPTY_START_ROW);
386           AccessControlService.BlockingInterface protocol =
387             AccessControlService.newBlockingStub(service);
388           ProtobufUtil.revoke(protocol, testUser, TEST_NAMESPACE, Action.WRITE);
389         }
390         return null;
391       }
392     };
393 
394     AccessTestAction revokeNamespaceAction = new AccessTestAction() {
395       public Object run() throws Exception {
396         Connection connection = ConnectionFactory.createConnection(conf);
397         Table acl = connection.getTable(AccessControlLists.ACL_TABLE_NAME);
398         try {
399           BlockingRpcChannel service =
400               acl.coprocessorService(HConstants.EMPTY_START_ROW);
401           AccessControlService.BlockingInterface protocol =
402             AccessControlService.newBlockingStub(service);
403           ProtobufUtil.revoke(protocol, USER_GROUP_NS_ADMIN.getShortName(),
404             TEST_NAMESPACE, Action.READ);
405         } finally {
406           acl.close();
407           connection.close();
408         }
409         return null;
410       }
411     };
412 
413     AccessTestAction getPermissionsAction = new AccessTestAction() {
414       @Override
415       public Object run() throws Exception {
416         try(Connection conn = ConnectionFactory.createConnection(conf);
417             Table acl = conn.getTable(AccessControlLists.ACL_TABLE_NAME)) {
418           BlockingRpcChannel service = acl.coprocessorService(HConstants.EMPTY_START_ROW);
419           AccessControlService.BlockingInterface protocol =
420             AccessControlService.newBlockingStub(service);
421           ProtobufUtil.getUserPermissions(protocol, Bytes.toBytes(TEST_NAMESPACE));
422         }
423         return null;
424       }
425     };
426 
427     verifyAllowed(grantAction, SUPERUSER, USER_GLOBAL_ADMIN, USER_GROUP_ADMIN, USER_NS_ADMIN);
428     verifyDenied(grantAction, USER_GLOBAL_CREATE, USER_GLOBAL_WRITE, USER_GLOBAL_READ,
429       USER_GLOBAL_EXEC, USER_NS_CREATE, USER_NS_WRITE, USER_NS_READ, USER_NS_EXEC,
430       USER_TABLE_CREATE, USER_TABLE_WRITE, USER_GROUP_READ, USER_GROUP_WRITE, USER_GROUP_CREATE);
431 
432     verifyAllowed(grantNamespaceAction, SUPERUSER, USER_GLOBAL_ADMIN, USER_GROUP_ADMIN,
433       USER_NS_ADMIN, USER_GROUP_NS_ADMIN);
434     verifyDenied(grantNamespaceAction, USER_GLOBAL_CREATE, USER_GLOBAL_WRITE, USER_GLOBAL_READ,
435       USER_GLOBAL_EXEC, USER_NS_CREATE, USER_NS_WRITE, USER_NS_READ, USER_NS_EXEC,
436       USER_TABLE_CREATE, USER_TABLE_WRITE, USER_GROUP_READ, USER_GROUP_WRITE, USER_GROUP_CREATE);
437 
438     verifyAllowed(revokeAction, SUPERUSER, USER_GLOBAL_ADMIN, USER_GROUP_ADMIN, USER_NS_ADMIN);
439     verifyDenied(revokeAction, USER_GLOBAL_CREATE, USER_GLOBAL_WRITE, USER_GLOBAL_READ,
440       USER_GLOBAL_EXEC, USER_NS_CREATE, USER_NS_WRITE, USER_NS_READ, USER_NS_EXEC,
441       USER_TABLE_CREATE, USER_TABLE_WRITE, USER_GROUP_READ, USER_GROUP_WRITE, USER_GROUP_CREATE);
442 
443     verifyAllowed(revokeNamespaceAction, SUPERUSER, USER_GLOBAL_ADMIN, USER_GROUP_ADMIN,
444       USER_NS_ADMIN, USER_GROUP_NS_ADMIN);
445     verifyDenied(revokeNamespaceAction, USER_GLOBAL_CREATE, USER_GLOBAL_WRITE, USER_GLOBAL_READ,
446       USER_GLOBAL_EXEC, USER_NS_CREATE, USER_NS_WRITE, USER_NS_READ, USER_NS_EXEC,
447       USER_TABLE_CREATE, USER_TABLE_WRITE, USER_GROUP_READ, USER_GROUP_WRITE, USER_GROUP_CREATE);
448 
449     verifyAllowed(getPermissionsAction, SUPERUSER, USER_GLOBAL_ADMIN, USER_NS_ADMIN,
450       USER_GROUP_ADMIN);
451     verifyDenied(getPermissionsAction, USER_GLOBAL_CREATE, USER_GLOBAL_WRITE, USER_GLOBAL_READ,
452       USER_GLOBAL_EXEC, USER_NS_CREATE, USER_NS_WRITE, USER_NS_READ, USER_NS_EXEC,
453       USER_TABLE_CREATE, USER_TABLE_WRITE, USER_GROUP_READ, USER_GROUP_WRITE, USER_GROUP_CREATE);
454   }
455 
456   @Test
457   public void testCreateTableWithNamespace() throws Exception {
458     AccessTestAction createTable = new AccessTestAction() {
459       @Override
460       public Object run() throws Exception {
461         HTableDescriptor htd = new HTableDescriptor(TableName.valueOf(TEST_TABLE));
462         htd.addFamily(new HColumnDescriptor(TEST_FAMILY));
463         ACCESS_CONTROLLER.preCreateTable(ObserverContext.createAndPrepare(CP_ENV, null), htd, null);
464         return null;
465       }
466     };
467 
468     //createTable            : superuser | global(C) | NS(C)
469     verifyAllowed(createTable, SUPERUSER, USER_GLOBAL_CREATE, USER_NS_CREATE, USER_GROUP_CREATE);
470     verifyDenied(createTable, USER_GLOBAL_ADMIN, USER_GLOBAL_WRITE, USER_GLOBAL_READ,
471       USER_GLOBAL_EXEC, USER_NS_ADMIN, USER_NS_WRITE, USER_NS_READ, USER_NS_EXEC,
472       USER_TABLE_CREATE, USER_TABLE_WRITE, USER_GROUP_READ, USER_GROUP_WRITE, USER_GROUP_ADMIN);
473   }
474 }