spark HiveAuthFactory 源码
spark HiveAuthFactory 代码
文件路径：/sql/hive-thriftserver/src/main/java/org/apache/hive/service/auth/HiveAuthFactory.java
/*
* 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.hive.service.auth;
import java.io.IOException;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;
import javax.security.auth.login.LoginException;
import javax.security.sasl.Sasl;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.conf.HiveConf.ConfVars;
import org.apache.hadoop.hive.metastore.HiveMetaStore;
import org.apache.hadoop.hive.metastore.HiveMetaStore.HMSHandler;
import org.apache.hadoop.hive.metastore.api.MetaException;
import org.apache.hadoop.hive.shims.HadoopShims.KerberosNameShim;
import org.apache.hadoop.hive.shims.ShimLoader;
import org.apache.hadoop.hive.thrift.DBTokenStore;
import org.apache.hadoop.hive.thrift.HiveDelegationTokenManager;
import org.apache.hadoop.hive.thrift.HadoopThriftAuthBridge;
import org.apache.hadoop.hive.thrift.HadoopThriftAuthBridge.Server.ServerMode;
import org.apache.hadoop.security.SecurityUtil;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.authorize.ProxyUsers;
import org.apache.hive.service.cli.HiveSQLException;
import org.apache.hive.service.cli.thrift.ThriftCLIService;
import org.apache.thrift.TProcessorFactory;
import org.apache.thrift.transport.TTransportException;
import org.apache.thrift.transport.TTransportFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* This class helps in some aspects of authentication. It creates the proper Thrift classes for the
* given configuration as well as helps with authenticating requests.
*/
public class HiveAuthFactory {
private static final Logger LOG = LoggerFactory.getLogger(HiveAuthFactory.class);
public enum AuthTypes {
NOSASL("NOSASL"),
NONE("NONE"),
LDAP("LDAP"),
KERBEROS("KERBEROS"),
CUSTOM("CUSTOM"),
PAM("PAM");
private final String authType;
AuthTypes(String authType) {
this.authType = authType;
}
public String getAuthName() {
return authType;
}
}
private HadoopThriftAuthBridge.Server saslServer;
private String authTypeStr;
private final String transportMode;
private final HiveConf conf;
private HiveDelegationTokenManager delegationTokenManager = null;
public static final String HS2_PROXY_USER = "hive.server2.proxy.user";
public static final String HS2_CLIENT_TOKEN = "hiveserver2ClientToken";
private static Field keytabFile = null;
private static Method getKeytab = null;
static {
Class<?> clz = UserGroupInformation.class;
try {
keytabFile = clz.getDeclaredField("keytabFile");
keytabFile.setAccessible(true);
} catch (NoSuchFieldException nfe) {
LOG.debug("Cannot find private field \"keytabFile\" in class: " +
UserGroupInformation.class.getCanonicalName(), nfe);
keytabFile = null;
}
try {
getKeytab = clz.getDeclaredMethod("getKeytab");
getKeytab.setAccessible(true);
} catch(NoSuchMethodException nme) {
LOG.debug("Cannot find private method \"getKeytab\" in class:" +
UserGroupInformation.class.getCanonicalName(), nme);
getKeytab = null;
}
}
public HiveAuthFactory(HiveConf conf) throws TTransportException, IOException {
this.conf = conf;
transportMode = conf.getVar(HiveConf.ConfVars.HIVE_SERVER2_TRANSPORT_MODE);
authTypeStr = conf.getVar(HiveConf.ConfVars.HIVE_SERVER2_AUTHENTICATION);
// In http mode we use NOSASL as the default auth type
if ("http".equalsIgnoreCase(transportMode)) {
if (authTypeStr == null) {
authTypeStr = AuthTypes.NOSASL.getAuthName();
}
} else {
if (authTypeStr == null) {
authTypeStr = AuthTypes.NONE.getAuthName();
}
if (authTypeStr.equalsIgnoreCase(AuthTypes.KERBEROS.getAuthName())) {
String principal = conf.getVar(ConfVars.HIVE_SERVER2_KERBEROS_PRINCIPAL);
String keytab = conf.getVar(ConfVars.HIVE_SERVER2_KERBEROS_KEYTAB);
if (needUgiLogin(UserGroupInformation.getCurrentUser(),
SecurityUtil.getServerPrincipal(principal, "0.0.0.0"), keytab)) {
saslServer = ShimLoader.getHadoopThriftAuthBridge().createServer(principal, keytab);
} else {
// Using the default constructor to avoid unnecessary UGI login.
saslServer = new HadoopThriftAuthBridge.Server();
}
// start delegation token manager
delegationTokenManager = new HiveDelegationTokenManager();
try {
// rawStore is only necessary for DBTokenStore
Object rawStore = null;
String tokenStoreClass = conf.getVar(
HiveConf.ConfVars.METASTORE_CLUSTER_DELEGATION_TOKEN_STORE_CLS);
if (tokenStoreClass.equals(DBTokenStore.class.getName())) {
HMSHandler baseHandler = new HiveMetaStore.HMSHandler(
"new db based metaserver", conf, true);
rawStore = baseHandler.getMS();
}
delegationTokenManager.startDelegationTokenSecretManager(
conf, rawStore, ServerMode.HIVESERVER2);
saslServer.setSecretManager(delegationTokenManager.getSecretManager());
}
catch (MetaException|IOException e) {
throw new TTransportException("Failed to start token manager", e);
}
}
}
}
public Map<String, String> getSaslProperties() {
Map<String, String> saslProps = new HashMap<String, String>();
SaslQOP saslQOP = SaslQOP.fromString(conf.getVar(ConfVars.HIVE_SERVER2_THRIFT_SASL_QOP));
saslProps.put(Sasl.QOP, saslQOP.toString());
saslProps.put(Sasl.SERVER_AUTH, "true");
return saslProps;
}
public TTransportFactory getAuthTransFactory() throws LoginException {
TTransportFactory transportFactory;
if (authTypeStr.equalsIgnoreCase(AuthTypes.KERBEROS.getAuthName())) {
try {
transportFactory = saslServer.createTransportFactory(getSaslProperties());
} catch (TTransportException e) {
throw new LoginException(e.getMessage());
}
} else if (authTypeStr.equalsIgnoreCase(AuthTypes.NONE.getAuthName())) {
transportFactory = PlainSaslHelper.getPlainTransportFactory(authTypeStr);
} else if (authTypeStr.equalsIgnoreCase(AuthTypes.LDAP.getAuthName())) {
transportFactory = PlainSaslHelper.getPlainTransportFactory(authTypeStr);
} else if (authTypeStr.equalsIgnoreCase(AuthTypes.PAM.getAuthName())) {
transportFactory = PlainSaslHelper.getPlainTransportFactory(authTypeStr);
} else if (authTypeStr.equalsIgnoreCase(AuthTypes.NOSASL.getAuthName())) {
transportFactory = new TTransportFactory();
} else if (authTypeStr.equalsIgnoreCase(AuthTypes.CUSTOM.getAuthName())) {
transportFactory = PlainSaslHelper.getPlainTransportFactory(authTypeStr);
} else {
throw new LoginException("Unsupported authentication type " + authTypeStr);
}
return transportFactory;
}
/**
* Returns the thrift processor factory for HiveServer2 running in binary mode
* @param service
* @return
* @throws LoginException
*/
public TProcessorFactory getAuthProcFactory(ThriftCLIService service) throws LoginException {
if (authTypeStr.equalsIgnoreCase(AuthTypes.KERBEROS.getAuthName())) {
return KerberosSaslHelper.getKerberosProcessorFactory(saslServer, service);
} else {
return PlainSaslHelper.getPlainProcessorFactory(service);
}
}
public String getRemoteUser() {
return saslServer == null ? null : saslServer.getRemoteUser();
}
public String getIpAddress() {
if (saslServer == null || saslServer.getRemoteAddress() == null) {
return null;
} else {
return saslServer.getRemoteAddress().getHostAddress();
}
}
// Perform kerberos login using the hadoop shim API if the configuration is available
public static void loginFromKeytab(HiveConf hiveConf) throws IOException {
String principal = hiveConf.getVar(ConfVars.HIVE_SERVER2_KERBEROS_PRINCIPAL);
String keyTabFile = hiveConf.getVar(ConfVars.HIVE_SERVER2_KERBEROS_KEYTAB);
if (principal.isEmpty() || keyTabFile.isEmpty()) {
throw new IOException("HiveServer2 Kerberos principal or keytab is not correctly configured");
} else {
UserGroupInformation.loginUserFromKeytab(SecurityUtil.getServerPrincipal(principal, "0.0.0.0"), keyTabFile);
}
}
// Perform SPNEGO login using the hadoop shim API if the configuration is available
public static UserGroupInformation loginFromSpnegoKeytabAndReturnUGI(HiveConf hiveConf)
throws IOException {
String principal = hiveConf.getVar(ConfVars.HIVE_SERVER2_SPNEGO_PRINCIPAL);
String keyTabFile = hiveConf.getVar(ConfVars.HIVE_SERVER2_SPNEGO_KEYTAB);
if (principal.isEmpty() || keyTabFile.isEmpty()) {
throw new IOException("HiveServer2 SPNEGO principal or keytab is not correctly configured");
} else {
return UserGroupInformation.loginUserFromKeytabAndReturnUGI(SecurityUtil.getServerPrincipal(principal, "0.0.0.0"), keyTabFile);
}
}
// retrieve delegation token for the given user
public String getDelegationToken(String owner, String renewer, String remoteAddr)
throws HiveSQLException {
if (delegationTokenManager == null) {
throw new HiveSQLException(
"Delegation token only supported over kerberos authentication", "08S01");
}
try {
String tokenStr = delegationTokenManager.getDelegationTokenWithService(owner, renewer,
HS2_CLIENT_TOKEN, remoteAddr);
if (tokenStr == null || tokenStr.isEmpty()) {
throw new HiveSQLException(
"Received empty retrieving delegation token for user " + owner, "08S01");
}
return tokenStr;
} catch (IOException e) {
throw new HiveSQLException(
"Error retrieving delegation token for user " + owner, "08S01", e);
} catch (InterruptedException e) {
throw new HiveSQLException("delegation token retrieval interrupted", "08S01", e);
}
}
// cancel given delegation token
public void cancelDelegationToken(String delegationToken) throws HiveSQLException {
if (delegationTokenManager == null) {
throw new HiveSQLException(
"Delegation token only supported over kerberos authentication", "08S01");
}
try {
delegationTokenManager.cancelDelegationToken(delegationToken);
} catch (IOException e) {
throw new HiveSQLException(
"Error canceling delegation token " + delegationToken, "08S01", e);
}
}
public void renewDelegationToken(String delegationToken) throws HiveSQLException {
if (delegationTokenManager == null) {
throw new HiveSQLException(
"Delegation token only supported over kerberos authentication", "08S01");
}
try {
delegationTokenManager.renewDelegationToken(delegationToken);
} catch (IOException e) {
throw new HiveSQLException(
"Error renewing delegation token " + delegationToken, "08S01", e);
}
}
public String verifyDelegationToken(String delegationToken) throws HiveSQLException {
if (delegationTokenManager == null) {
throw new HiveSQLException(
"Delegation token only supported over kerberos authentication", "08S01");
}
try {
return delegationTokenManager.verifyDelegationToken(delegationToken);
} catch (IOException e) {
String msg = "Error verifying delegation token " + delegationToken;
LOG.error(msg, e);
throw new HiveSQLException(msg, "08S01", e);
}
}
public String getUserFromToken(String delegationToken) throws HiveSQLException {
if (delegationTokenManager == null) {
throw new HiveSQLException(
"Delegation token only supported over kerberos authentication", "08S01");
}
try {
return delegationTokenManager.getUserFromToken(delegationToken);
} catch (IOException e) {
throw new HiveSQLException(
"Error extracting user from delegation token " + delegationToken, "08S01", e);
}
}
public static void verifyProxyAccess(String realUser, String proxyUser, String ipAddress,
HiveConf hiveConf) throws HiveSQLException {
try {
UserGroupInformation sessionUgi;
if (UserGroupInformation.isSecurityEnabled()) {
KerberosNameShim kerbName = ShimLoader.getHadoopShims().getKerberosNameShim(realUser);
sessionUgi = UserGroupInformation.createProxyUser(
kerbName.getServiceName(), UserGroupInformation.getLoginUser());
} else {
sessionUgi = UserGroupInformation.createRemoteUser(realUser);
}
if (!proxyUser.equalsIgnoreCase(realUser)) {
ProxyUsers.refreshSuperUserGroupsConfiguration(hiveConf);
ProxyUsers.authorize(UserGroupInformation.createProxyUser(proxyUser, sessionUgi),
ipAddress, hiveConf);
}
} catch (IOException e) {
throw new HiveSQLException(
"Failed to validate proxy privilege of " + realUser + " for " + proxyUser, "08S01", e);
}
}
public static boolean needUgiLogin(UserGroupInformation ugi, String principal, String keytab) {
return null == ugi || !ugi.hasKerberosCredentials() || !ugi.getUserName().equals(principal) ||
!Objects.equals(keytab, getKeytabFromUgi());
}
private static String getKeytabFromUgi() {
synchronized (UserGroupInformation.class) {
try {
if (keytabFile != null) {
return (String) keytabFile.get(null);
} else if (getKeytab != null) {
return (String) getKeytab.invoke(UserGroupInformation.getCurrentUser());
} else {
return null;
}
} catch (Exception e) {
LOG.debug("Fail to get keytabFile path via reflection", e);
return null;
}
}
}
}
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