hadoop KerberosDelegationTokenAuthenticationHandler 源码
haddop KerberosDelegationTokenAuthenticationHandler 代码
文件路径：/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/delegation/web/KerberosDelegationTokenAuthenticationHandler.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.hadoop.security.token.delegation.web;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.security.authentication.server.AuthenticationHandler;
import org.apache.hadoop.security.authentication.server.KerberosAuthenticationHandler;
/**
* An {@link AuthenticationHandler} that implements Kerberos SPNEGO mechanism
* for HTTP and supports Delegation Token functionality.
* <p>
* In addition to the {@link KerberosAuthenticationHandler} configuration
* properties, this handler supports:
* <ul>
* <li>kerberos.delegation-token.token-kind: the token kind for generated tokens
* (no default, required property).</li>
* <li>kerberos.delegation-token.update-interval.sec: secret manager master key
* update interval in seconds (default 1 day).</li>
* <li>kerberos.delegation-token.max-lifetime.sec: maximum life of a delegation
* token in seconds (default 7 days).</li>
* <li>kerberos.delegation-token.renewal-interval.sec: renewal interval for
* delegation tokens in seconds (default 1 day).</li>
* <li>kerberos.delegation-token.removal-scan-interval.sec: delegation tokens
* removal scan interval in seconds (default 1 hour).</li>
* </ul>
*/
@InterfaceAudience.Private
@InterfaceStability.Evolving
public class KerberosDelegationTokenAuthenticationHandler
extends DelegationTokenAuthenticationHandler {
public KerberosDelegationTokenAuthenticationHandler() {
super(new KerberosAuthenticationHandler(KerberosAuthenticationHandler.TYPE +
TYPE_POSTFIX));
}
}
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