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* 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.hadoop.hdfs.security;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.IOException;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.security.PrivilegedExceptionAction;
import java.util.ArrayList;
import java.util.Enumeration;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.HdfsConfiguration;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
import org.apache.hadoop.hdfs.web.WebHdfsFileSystem;
import org.apache.hadoop.hdfs.web.WebHdfsTestUtil;
import org.apache.hadoop.security.TestDoAsEffectiveUser;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.authorize.DefaultImpersonationProvider;
import org.apache.hadoop.security.authorize.ProxyUsers;
import org.apache.hadoop.security.token.Token;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.mockito.internal.util.reflection.Whitebox;
public class TestDelegationTokenForProxyUser {
private static MiniDFSCluster cluster;
private static Configuration config;
final private static String GROUP1_NAME = "group1";
final private static String GROUP2_NAME = "group2";
final private static String[] GROUP_NAMES = new String[] { GROUP1_NAME,
GROUP2_NAME };
final private static String REAL_USER = "RealUser";
final private static String PROXY_USER = "ProxyUser";
private static UserGroupInformation ugi;
private static UserGroupInformation proxyUgi;
private static final Log LOG = LogFactory.getLog(TestDoAsEffectiveUser.class);
private static void configureSuperUserIPAddresses(Configuration conf,
String superUserShortName) throws IOException {
ArrayList<String> ipList = new ArrayList<String>();
Enumeration<NetworkInterface> netInterfaceList = NetworkInterface
.getNetworkInterfaces();
while (netInterfaceList.hasMoreElements()) {
NetworkInterface inf = netInterfaceList.nextElement();
Enumeration<InetAddress> addrList = inf.getInetAddresses();
while (addrList.hasMoreElements()) {
InetAddress addr = addrList.nextElement();
ipList.add(addr.getHostAddress());
}
}
StringBuilder builder = new StringBuilder();
for (String ip : ipList) {
builder.append(ip);
builder.append(',');
}
builder.append("127.0.1.1,");
builder.append(InetAddress.getLocalHost().getCanonicalHostName());
LOG.info("Local Ip addresses: " + builder.toString());
conf.setStrings(DefaultImpersonationProvider.getProxySuperuserIpConfKey(superUserShortName),
builder.toString());
}
@BeforeClass
public static void setUp() throws Exception {
config = new HdfsConfiguration();
config.setBoolean(DFSConfigKeys.DFS_WEBHDFS_ENABLED_KEY, true);
config.setLong(
DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_MAX_LIFETIME_KEY, 10000);
config.setLong(
DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_RENEW_INTERVAL_KEY, 5000);
config.setStrings(DefaultImpersonationProvider.getProxySuperuserGroupConfKey(REAL_USER),
"group1");
config.setBoolean(
DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_ALWAYS_USE_KEY, true);
configureSuperUserIPAddresses(config, REAL_USER);
FileSystem.setDefaultUri(config, "hdfs://localhost:" + "0");
cluster = new MiniDFSCluster.Builder(config).build();
cluster.waitActive();
ProxyUsers.refreshSuperUserGroupsConfiguration(config);
ugi = UserGroupInformation.createRemoteUser(REAL_USER);
proxyUgi = UserGroupInformation.createProxyUserForTesting(PROXY_USER, ugi,
GROUP_NAMES);
}
@AfterClass
public static void tearDown() throws Exception {
if(cluster!=null) {
cluster.shutdown();
}
}
@Test(timeout=20000)
public void testDelegationTokenWithRealUser() throws IOException {
try {
Token<?>[] tokens = proxyUgi
.doAs(new PrivilegedExceptionAction<Token<?>[]>() {
@Override
public Token<?>[] run() throws IOException {
return cluster.getFileSystem().addDelegationTokens("RenewerUser", null);
}
});
DelegationTokenIdentifier identifier = new DelegationTokenIdentifier();
byte[] tokenId = tokens[0].getIdentifier();
identifier.readFields(new DataInputStream(new ByteArrayInputStream(
tokenId)));
Assert.assertEquals(identifier.getUser().getUserName(), PROXY_USER);
Assert.assertEquals(identifier.getUser().getRealUser().getUserName(),
REAL_USER);
} catch (InterruptedException e) {
//Do Nothing
}
}
@Test(timeout=5000)
public void testWebHdfsDoAs() throws Exception {
WebHdfsTestUtil.LOG.info("START: testWebHdfsDoAs()");
WebHdfsTestUtil.LOG.info("ugi.getShortUserName()=" + ugi.getShortUserName());
final WebHdfsFileSystem webhdfs = WebHdfsTestUtil.getWebHdfsFileSystemAs(ugi, config, WebHdfsFileSystem.SCHEME);
final Path root = new Path("/");
cluster.getFileSystem().setPermission(root, new FsPermission((short)0777));
Whitebox.setInternalState(webhdfs, "ugi", proxyUgi);
{
Path responsePath = webhdfs.getHomeDirectory();
WebHdfsTestUtil.LOG.info("responsePath=" + responsePath);
Assert.assertEquals(webhdfs.getUri() + "/user/" + PROXY_USER, responsePath.toString());
}
final Path f = new Path("/testWebHdfsDoAs/a.txt");
{
FSDataOutputStream out = webhdfs.create(f);
out.write("Hello, webhdfs user!".getBytes());
out.close();
final FileStatus status = webhdfs.getFileStatus(f);
WebHdfsTestUtil.LOG.info("status.getOwner()=" + status.getOwner());
Assert.assertEquals(PROXY_USER, status.getOwner());
}
{
final FSDataOutputStream out = webhdfs.append(f);
out.write("\nHello again!".getBytes());
out.close();
final FileStatus status = webhdfs.getFileStatus(f);
WebHdfsTestUtil.LOG.info("status.getOwner()=" + status.getOwner());
WebHdfsTestUtil.LOG.info("status.getLen() =" + status.getLen());
Assert.assertEquals(PROXY_USER, status.getOwner());
}
}
}