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.http; 019 020import java.io.IOException; 021import java.util.Set; 022import java.util.TreeSet; 023import javax.servlet.Filter; 024import javax.servlet.FilterChain; 025import javax.servlet.FilterConfig; 026import javax.servlet.ServletException; 027import javax.servlet.ServletRequest; 028import javax.servlet.ServletResponse; 029import javax.servlet.http.HttpServletRequest; 030import org.apache.hadoop.conf.Configuration; 031import org.apache.hadoop.hbase.HBaseClassTestRule; 032import org.apache.hadoop.hbase.testclassification.MiscTests; 033import org.apache.hadoop.hbase.testclassification.SmallTests; 034import org.apache.hadoop.net.NetUtils; 035import org.junit.ClassRule; 036import org.junit.Test; 037import org.junit.experimental.categories.Category; 038import org.slf4j.Logger; 039import org.slf4j.LoggerFactory; 040 041@Category({MiscTests.class, SmallTests.class}) 042public class TestGlobalFilter extends HttpServerFunctionalTest { 043 @ClassRule 044 public static final HBaseClassTestRule CLASS_RULE = 045 HBaseClassTestRule.forClass(TestGlobalFilter.class); 046 047 private static final Logger LOG = LoggerFactory.getLogger(HttpServer.class); 048 private static final Set<String> RECORDS = new TreeSet<>(); 049 050 /** A very simple filter that records accessed uri's */ 051 static public class RecordingFilter implements Filter { 052 private FilterConfig filterConfig = null; 053 054 @Override 055 public void init(FilterConfig filterConfig) { 056 this.filterConfig = filterConfig; 057 } 058 059 @Override 060 public void destroy() { 061 this.filterConfig = null; 062 } 063 064 @Override 065 public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) 066 throws IOException, ServletException { 067 if (filterConfig == null) { 068 return; 069 } 070 071 String uri = ((HttpServletRequest)request).getRequestURI(); 072 LOG.info("filtering " + uri); 073 RECORDS.add(uri); 074 chain.doFilter(request, response); 075 } 076 077 /** Configuration for RecordingFilter */ 078 static public class Initializer extends FilterInitializer { 079 public Initializer() {} 080 081 @Override 082 public void initFilter(FilterContainer container, Configuration conf) { 083 container.addGlobalFilter("recording", RecordingFilter.class.getName(), null); 084 } 085 } 086 } 087 088 @Test 089 public void testServletFilter() throws Exception { 090 Configuration conf = new Configuration(); 091 092 //start an http server with CountingFilter 093 conf.set(HttpServer.FILTER_INITIALIZERS_PROPERTY, 094 RecordingFilter.Initializer.class.getName()); 095 HttpServer http = createTestServer(conf); 096 http.start(); 097 098 final String fsckURL = "/fsck"; 099 final String stacksURL = "/stacks"; 100 final String ajspURL = "/a.jsp"; 101 final String listPathsURL = "/listPaths"; 102 final String dataURL = "/data"; 103 final String streamFile = "/streamFile"; 104 final String rootURL = "/"; 105 final String allURL = "/*"; 106 final String outURL = "/static/a.out"; 107 final String logURL = "/logs/a.log"; 108 109 final String[] urls = { 110 fsckURL, stacksURL, ajspURL, listPathsURL, dataURL, streamFile, rootURL, allURL, 111 outURL, logURL 112 }; 113 114 //access the urls 115 final String prefix = "http://" 116 + NetUtils.getHostPortString(http.getConnectorAddress(0)); 117 try { 118 for (String url : urls) { 119 access(prefix + url); 120 } 121 } finally { 122 http.stop(); 123 } 124 125 LOG.info("RECORDS = " + RECORDS); 126 127 //verify records 128 for (String url : urls) { 129 assertTrue(RECORDS.remove(url)); 130 } 131 assertTrue(RECORDS.isEmpty()); 132 } 133}