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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  
19  package org.apache.hadoop.hbase.security.access;
20  
21  import static org.junit.Assert.assertEquals;
22  import static org.junit.Assert.assertFalse;
23  import static org.junit.Assert.assertTrue;
24  import static org.junit.Assert.fail;
25  
26  import java.security.PrivilegedExceptionAction;
27  import java.util.ArrayList;
28  import java.util.List;
29  import java.util.UUID;
30  import java.io.IOException;
31  
32  import org.apache.commons.logging.Log;
33  import org.apache.commons.logging.LogFactory;
34  import org.apache.hadoop.conf.Configuration;
35  import org.apache.hadoop.hbase.TableName;
36  import org.apache.hadoop.hbase.HBaseTestingUtility;
37  import org.apache.hadoop.hbase.LargeTests;
38  import org.apache.hadoop.hbase.client.HTable;
39  import org.apache.hadoop.hbase.client.Put;
40  import org.apache.hadoop.hbase.client.Result;
41  import org.apache.hadoop.hbase.client.ResultScanner;
42  import org.apache.hadoop.hbase.client.Scan;
43  import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
44  import org.apache.hadoop.hbase.protobuf.generated.AccessControlProtos.AccessControlService;
45  import org.apache.hadoop.hbase.security.AccessDeniedException;
46  import org.apache.hadoop.hbase.security.User;
47  import org.apache.hadoop.hbase.util.Bytes;
48  import org.junit.AfterClass;
49  import org.junit.BeforeClass;
50  import org.junit.Test;
51  import org.junit.experimental.categories.Category;
52  
53  import com.google.protobuf.BlockingRpcChannel;
54  
55  @Category(LargeTests.class)
56  public class TestAccessControlFilter {
57    private static Log LOG = LogFactory.getLog(TestAccessControlFilter.class);
58    private static HBaseTestingUtility TEST_UTIL;
59  
60    private static User ADMIN;
61    private static User READER;
62    private static User LIMITED;
63    private static User DENIED;
64  
65    private static TableName TABLE =
66        TableName.valueOf("testtable");
67    private static byte[] FAMILY = Bytes.toBytes("f1");
68    private static byte[] PRIVATE_COL = Bytes.toBytes("private");
69    private static byte[] PUBLIC_COL = Bytes.toBytes("public");
70  
71    @BeforeClass
72    public static void setupBeforeClass() throws Exception {
73      TEST_UTIL = new HBaseTestingUtility();
74      Configuration conf = TEST_UTIL.getConfiguration();
75      SecureTestUtil.enableSecurity(conf);
76      String baseuser = User.getCurrent().getShortName();
77      conf.set("hbase.superuser", conf.get("hbase.superuser", "") +
78          String.format(",%s.hfs.0,%s.hfs.1,%s.hfs.2", baseuser, baseuser, baseuser));
79      TEST_UTIL.startMiniCluster();
80      TEST_UTIL.waitTableEnabled(AccessControlLists.ACL_TABLE_NAME.getName());
81  
82      ADMIN = User.createUserForTesting(conf, "admin", new String[]{"supergroup"});
83      READER = User.createUserForTesting(conf, "reader", new String[0]);
84      LIMITED = User.createUserForTesting(conf, "limited", new String[0]);
85      DENIED = User.createUserForTesting(conf, "denied", new String[0]);
86    }
87  
88    @AfterClass
89    public static void tearDownAfterClass() throws Exception {
90      TEST_UTIL.shutdownMiniCluster();
91    }
92  
93    @Test
94    public void testQualifierAccess() throws Exception {
95      final HTable table = TEST_UTIL.createTable(TABLE, FAMILY);
96      try {
97        doQualifierAccess(table);
98      } finally {
99        table.close();
100     }
101   }
102 
103   private void doQualifierAccess(final HTable table) throws IOException, InterruptedException {
104     // set permissions
105     ADMIN.runAs(new PrivilegedExceptionAction<Object>() {
106       @Override
107       public Object run() throws Exception {
108         HTable aclmeta = new HTable(TEST_UTIL.getConfiguration(),
109             AccessControlLists.ACL_TABLE_NAME);
110         byte[] table = Bytes.toBytes("testtable");
111         BlockingRpcChannel service = aclmeta.coprocessorService(table);
112         AccessControlService.BlockingInterface protocol =
113           AccessControlService.newBlockingStub(service);
114         ProtobufUtil.grant(protocol, READER.getShortName(),
115           TABLE, null, null, Permission.Action.READ);
116         ProtobufUtil.grant(protocol, LIMITED.getShortName(),
117           TABLE, FAMILY, PUBLIC_COL, Permission.Action.READ);
118         return null;
119       }
120     });
121 
122     // put some test data
123     List<Put> puts = new ArrayList<Put>(100);
124     for (int i=0; i<100; i++) {
125       Put p = new Put(Bytes.toBytes(i));
126       p.add(FAMILY, PRIVATE_COL, Bytes.toBytes("secret "+i));
127       p.add(FAMILY, PUBLIC_COL, Bytes.toBytes("info "+i));
128       puts.add(p);
129     }
130     table.put(puts);
131 
132     // test read
133     READER.runAs(new PrivilegedExceptionAction<Object>() {
134       public Object run() throws Exception {
135         Configuration conf = new Configuration(TEST_UTIL.getConfiguration());
136         // force a new RS connection
137         conf.set("testkey", UUID.randomUUID().toString());
138         HTable t = new HTable(conf, TABLE);
139         ResultScanner rs = t.getScanner(new Scan());
140         int rowcnt = 0;
141         for (Result r : rs) {
142           rowcnt++;
143           int rownum = Bytes.toInt(r.getRow());
144           assertTrue(r.containsColumn(FAMILY, PRIVATE_COL));
145           assertEquals("secret "+rownum, Bytes.toString(r.getValue(FAMILY, PRIVATE_COL)));
146           assertTrue(r.containsColumn(FAMILY, PUBLIC_COL));
147           assertEquals("info "+rownum, Bytes.toString(r.getValue(FAMILY, PUBLIC_COL)));
148         }
149         assertEquals("Expected 100 rows returned", 100, rowcnt);
150         return null;
151       }
152     });
153 
154     // test read with qualifier filter
155     LIMITED.runAs(new PrivilegedExceptionAction<Object>() {
156       public Object run() throws Exception {
157         Configuration conf = new Configuration(TEST_UTIL.getConfiguration());
158         // force a new RS connection
159         conf.set("testkey", UUID.randomUUID().toString());
160         HTable t = new HTable(conf, TABLE);
161         ResultScanner rs = t.getScanner(new Scan());
162         int rowcnt = 0;
163         for (Result r : rs) {
164           rowcnt++;
165           int rownum = Bytes.toInt(r.getRow());
166           assertFalse(r.containsColumn(FAMILY, PRIVATE_COL));
167           assertTrue(r.containsColumn(FAMILY, PUBLIC_COL));
168           assertEquals("info " + rownum, Bytes.toString(r.getValue(FAMILY, PUBLIC_COL)));
169         }
170         assertEquals("Expected 100 rows returned", 100, rowcnt);
171         return null;
172       }
173     });
174 
175     // test as user with no permission
176     DENIED.runAs(new PrivilegedExceptionAction(){
177       public Object run() throws Exception {
178         try {
179           Configuration conf = new Configuration(TEST_UTIL.getConfiguration());
180           // force a new RS connection
181           conf.set("testkey", UUID.randomUUID().toString());
182           HTable t = new HTable(conf, TABLE);
183           ResultScanner rs = t.getScanner(new Scan());
184           fail("Attempt to open scanner should have been denied");
185         } catch (AccessDeniedException ade) {
186           // expected
187         }
188         return null;
189       }
190     });
191   }
192 }