hadoop/hadoop-common-project/hadoop-auth-examples/src/main/webapp/WEB-INF/web.xml

<?xml version="1.0" encoding="UTF-8"?>
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 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
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<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee">

  <servlet>
    <servlet-name>whoServlet</servlet-name>
    <servlet-class>org.apache.hadoop.security.authentication.examples.WhoServlet</servlet-class>
  </servlet>

  <servlet-mapping>
    <servlet-name>whoServlet</servlet-name>
    <url-pattern>/anonymous/who</url-pattern>
  </servlet-mapping>

  <servlet-mapping>
    <servlet-name>whoServlet</servlet-name>
    <url-pattern>/simple/who</url-pattern>
  </servlet-mapping>

  <servlet-mapping>
    <servlet-name>whoServlet</servlet-name>
    <url-pattern>/kerberos/who</url-pattern>
  </servlet-mapping>

  <filter>
    <filter-name>requestLoggerFilter</filter-name>
    <filter-class>org.apache.hadoop.security.authentication.examples.RequestLoggerFilter</filter-class>
  </filter>

  <filter>
    <filter-name>anonymousFilter</filter-name>
    <filter-class>org.apache.hadoop.security.authentication.server.AuthenticationFilter</filter-class>
    <init-param>
      <param-name>type</param-name>
      <param-value>simple</param-value>
    </init-param>
    <init-param>
      <param-name>simple.anonymous.allowed</param-name>
      <param-value>true</param-value>
    </init-param>
    <init-param>
      <param-name>token.validity</param-name>
      <param-value>30</param-value>
    </init-param>
  </filter>

  <filter>
    <filter-name>simpleFilter</filter-name>
    <filter-class>org.apache.hadoop.security.authentication.server.AuthenticationFilter</filter-class>
    <init-param>
      <param-name>type</param-name>
      <param-value>simple</param-value>
    </init-param>
    <init-param>
      <param-name>simple.anonymous.allowed</param-name>
      <param-value>false</param-value>
    </init-param>
    <init-param>
      <param-name>token.validity</param-name>
      <param-value>30</param-value>
    </init-param>
  </filter>

  <filter>
    <filter-name>kerberosFilter</filter-name>
    <filter-class>org.apache.hadoop.security.authentication.server.AuthenticationFilter</filter-class>
    <init-param>
      <param-name>type</param-name>
      <param-value>kerberos</param-value>
    </init-param>
    <init-param>
      <param-name>kerberos.principal</param-name>
      <param-value>HTTP/localhost@LOCALHOST</param-value>
    </init-param>
    <init-param>
      <param-name>kerberos.keytab</param-name>
      <param-value>/tmp/alfredo.keytab</param-value>
    </init-param>
    <init-param>
      <param-name>token.validity</param-name>
      <param-value>30</param-value>
    </init-param>
  </filter>

  <filter-mapping>
    <filter-name>requestLoggerFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

  <filter-mapping>
    <filter-name>anonymousFilter</filter-name>
    <url-pattern>/anonymous/*</url-pattern>
  </filter-mapping>

  <filter-mapping>
    <filter-name>simpleFilter</filter-name>
    <url-pattern>/simple/*</url-pattern>
  </filter-mapping>

  <filter-mapping>
    <filter-name>kerberosFilter</filter-name>
    <url-pattern>/kerberos/*</url-pattern>
  </filter-mapping>

</web-app>