Java 类org.apache.hadoop.hbase.rest.filter.AuthFilter 实例源码

private static Pair<FilterHolder, Class<? extends ServletContainer>> loginServerPrincipal(
  UserProvider userProvider, Configuration conf) throws Exception {
  Class<? extends ServletContainer> containerClass = ServletContainer.class;
  if (userProvider.isHadoopSecurityEnabled() && userProvider.isHBaseSecurityEnabled()) {
    String machineName = Strings.domainNamePointerToHostName(
      DNS.getDefaultHost(conf.get(REST_DNS_INTERFACE, "default"),
        conf.get(REST_DNS_NAMESERVER, "default")));
    String keytabFilename = conf.get(REST_KEYTAB_FILE);
    Preconditions.checkArgument(keytabFilename != null && !keytabFilename.isEmpty(),
      REST_KEYTAB_FILE + " should be set if security is enabled");
    String principalConfig = conf.get(REST_KERBEROS_PRINCIPAL);
    Preconditions.checkArgument(principalConfig != null && !principalConfig.isEmpty(),
      REST_KERBEROS_PRINCIPAL + " should be set if security is enabled");
    userProvider.login(REST_KEYTAB_FILE, REST_KERBEROS_PRINCIPAL, machineName);
    if (conf.get(REST_AUTHENTICATION_TYPE) != null) {
      containerClass = RESTServletContainer.class;
      FilterHolder authFilter = new FilterHolder();
      authFilter.setClassName(AuthFilter.class.getName());
      authFilter.setName("AuthenticationFilter");
      return new Pair<>(authFilter,containerClass);
    }
  }
  return new Pair<>(null, containerClass);
}