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18 package org.apache.hadoop.hbase.security.access;
19
20 import java.io.IOException;
21 import java.util.ArrayList;
22 import java.util.List;
23 import java.util.regex.Pattern;
24
25 import org.apache.hadoop.conf.Configuration;
26 import org.apache.hadoop.hbase.HConstants;
27 import org.apache.hadoop.hbase.HTableDescriptor;
28 import org.apache.hadoop.hbase.MasterNotRunningException;
29 import org.apache.hadoop.hbase.NamespaceDescriptor;
30 import org.apache.hadoop.hbase.TableName;
31 import org.apache.hadoop.hbase.ZooKeeperConnectionException;
32 import org.apache.hadoop.hbase.classification.InterfaceAudience;
33 import org.apache.hadoop.hbase.classification.InterfaceStability;
34 import org.apache.hadoop.hbase.client.Admin;
35 import org.apache.hadoop.hbase.client.Connection;
36 import org.apache.hadoop.hbase.client.ConnectionFactory;
37 import org.apache.hadoop.hbase.client.Table;
38 import org.apache.hadoop.hbase.ipc.CoprocessorRpcChannel;
39 import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
40 import org.apache.hadoop.hbase.protobuf.generated.AccessControlProtos;
41 import org.apache.hadoop.hbase.protobuf.generated.AccessControlProtos.AccessControlService.BlockingInterface;
42 import org.apache.hadoop.hbase.util.Bytes;
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46
47 @InterfaceAudience.Public
48 @InterfaceStability.Evolving
49 public class AccessControlClient {
50 public static final TableName ACL_TABLE_NAME =
51 TableName.valueOf(NamespaceDescriptor.SYSTEM_NAMESPACE_NAME_STR, "acl");
52
53 private static BlockingInterface getAccessControlServiceStub(Table ht)
54 throws IOException {
55 CoprocessorRpcChannel service = ht.coprocessorService(HConstants.EMPTY_START_ROW);
56 BlockingInterface protocol =
57 AccessControlProtos.AccessControlService.newBlockingStub(service);
58 return protocol;
59 }
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71 @Deprecated
72 public static void grant(Configuration conf, final TableName tableName,
73 final String userName, final byte[] family, final byte[] qual,
74 final Permission.Action... actions) throws Throwable {
75 try (Connection connection = ConnectionFactory.createConnection(conf)) {
76 grant(connection, tableName, userName, family, qual, actions);
77 }
78 }
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90 public static void grant(Connection connection, final TableName tableName,
91 final String userName, final byte[] family, final byte[] qual,
92 final Permission.Action... actions) throws Throwable {
93 try (Table table = connection.getTable(ACL_TABLE_NAME)) {
94 ProtobufUtil.grant(getAccessControlServiceStub(table), userName, tableName, family, qual,
95 actions);
96 }
97 }
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107 @Deprecated
108 public static void grant(Configuration conf, final String namespace,
109 final String userName, final Permission.Action... actions) throws Throwable {
110 try (Connection connection = ConnectionFactory.createConnection(conf)) {
111 grant(connection, namespace, userName, actions);
112 }
113 }
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123 public static void grant(Connection connection, final String namespace,
124 final String userName, final Permission.Action... actions) throws Throwable {
125 try (Table table = connection.getTable(ACL_TABLE_NAME)) {
126 ProtobufUtil.grant(getAccessControlServiceStub(table), userName, namespace, actions);
127 }
128 }
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133 @Deprecated
134 public static void grant(Configuration conf, final String userName,
135 final Permission.Action... actions) throws Throwable {
136 try (Connection connection = ConnectionFactory.createConnection(conf)) {
137 grant(connection, userName, actions);
138 }
139 }
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144 public static void grant(Connection connection, final String userName,
145 final Permission.Action... actions) throws Throwable {
146 try (Table table = connection.getTable(ACL_TABLE_NAME)) {
147 ProtobufUtil.grant(getAccessControlServiceStub(table), userName, actions);
148 }
149 }
150
151 @Deprecated
152 public static boolean isAccessControllerRunning(Configuration conf)
153 throws MasterNotRunningException, ZooKeeperConnectionException, IOException {
154 try (Connection connection = ConnectionFactory.createConnection(conf)) {
155 return isAccessControllerRunning(connection);
156 }
157 }
158
159 public static boolean isAccessControllerRunning(Connection connection)
160 throws MasterNotRunningException, ZooKeeperConnectionException, IOException {
161 try (Admin admin = connection.getAdmin()) {
162 return admin.isTableAvailable(ACL_TABLE_NAME);
163 }
164 }
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176 @Deprecated
177 public static void revoke(Configuration conf, final TableName tableName,
178 final String username, final byte[] family, final byte[] qualifier,
179 final Permission.Action... actions) throws Throwable {
180 try (Connection connection = ConnectionFactory.createConnection(conf)) {
181 revoke(connection, tableName, username, family, qualifier, actions);
182 }
183 }
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195 public static void revoke(Connection connection, final TableName tableName,
196 final String username, final byte[] family, final byte[] qualifier,
197 final Permission.Action... actions) throws Throwable {
198 try (Table table = connection.getTable(ACL_TABLE_NAME)) {
199 ProtobufUtil.revoke(getAccessControlServiceStub(table), username, tableName, family,
200 qualifier, actions);
201 }
202 }
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212 @Deprecated
213 public static void revoke(Configuration conf, final String namespace,
214 final String userName, final Permission.Action... actions) throws Throwable {
215 try (Connection connection = ConnectionFactory.createConnection(conf)) {
216 revoke(connection, namespace, userName, actions);
217 }
218 }
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228 public static void revoke(Connection connection, final String namespace,
229 final String userName, final Permission.Action... actions) throws Throwable {
230 try (Table table = connection.getTable(ACL_TABLE_NAME)) {
231 ProtobufUtil.revoke(getAccessControlServiceStub(table), userName, namespace, actions);
232 }
233 }
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238 @Deprecated
239 public static void revoke(Configuration conf, final String userName,
240 final Permission.Action... actions) throws Throwable {
241 try (Connection connection = ConnectionFactory.createConnection(conf)) {
242 revoke(connection, userName, actions);
243 }
244 }
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249 public static void revoke(Connection connection, final String userName,
250 final Permission.Action... actions) throws Throwable {
251 try (Table table = connection.getTable(ACL_TABLE_NAME)) {
252 ProtobufUtil.revoke(getAccessControlServiceStub(table), userName, actions);
253 }
254 }
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263 @Deprecated
264 public static List<UserPermission> getUserPermissions(Configuration conf, String tableRegex)
265 throws Throwable {
266 try (Connection connection = ConnectionFactory.createConnection(conf)) {
267 return getUserPermissions(connection, tableRegex);
268 }
269 }
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278 public static List<UserPermission> getUserPermissions(Connection connection, String tableRegex)
279 throws Throwable {
280 List<UserPermission> permList = new ArrayList<UserPermission>();
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283 try (Table table = connection.getTable(ACL_TABLE_NAME)) {
284 try (Admin admin = connection.getAdmin()) {
285 CoprocessorRpcChannel service = table.coprocessorService(HConstants.EMPTY_START_ROW);
286 BlockingInterface protocol =
287 AccessControlProtos.AccessControlService.newBlockingStub(service);
288 HTableDescriptor[] htds = null;
289 if (tableRegex == null || tableRegex.isEmpty()) {
290 permList = ProtobufUtil.getUserPermissions(protocol);
291 } else if (tableRegex.charAt(0) == '@') {
292 String namespace = tableRegex.substring(1);
293 permList = ProtobufUtil.getUserPermissions(protocol, Bytes.toBytes(namespace));
294 } else {
295 htds = admin.listTables(Pattern.compile(tableRegex), true);
296 for (HTableDescriptor hd : htds) {
297 permList.addAll(ProtobufUtil.getUserPermissions(protocol, hd.getTableName()));
298 }
299 }
300 }
301 }
302 return permList;
303 }
304 }