001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.apache.hadoop.hbase.security.visibility; 019 020import java.util.ArrayList; 021import java.util.List; 022import org.apache.hadoop.conf.Configuration; 023import org.apache.hadoop.hbase.security.User; 024import org.apache.yetus.audience.InterfaceAudience; 025 026// Strictly removes a specified label 027@InterfaceAudience.Private 028public class LabelFilteringScanLabelGenerator implements ScanLabelGenerator { 029 030 public static String labelToFilter = null; 031 032 @Override 033 public Configuration getConf() { 034 return null; 035 } 036 037 @Override 038 public void setConf(Configuration conf) { 039 040 } 041 042 @Override 043 public List<String> getLabels(User user, Authorizations authorizations) { 044 if (authorizations != null) { 045 if (labelToFilter == null) return authorizations.getLabels(); 046 List<String> newAuths = new ArrayList<>(); 047 for (String auth : authorizations.getLabels()) { 048 if (!labelToFilter.equals(auth)) newAuths.add(auth); 049 } 050 return newAuths; 051 } 052 return null; 053 } 054}