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18 package org.apache.hadoop.hbase.http;
19
20 import java.io.BufferedReader;
21 import java.io.IOException;
22 import java.io.InputStreamReader;
23 import java.net.URL;
24 import java.net.URLConnection;
25 import java.util.Set;
26 import java.util.TreeSet;
27
28 import javax.servlet.Filter;
29 import javax.servlet.FilterChain;
30 import javax.servlet.FilterConfig;
31 import javax.servlet.ServletException;
32 import javax.servlet.ServletRequest;
33 import javax.servlet.ServletResponse;
34 import javax.servlet.http.HttpServletRequest;
35
36 import org.apache.commons.logging.Log;
37 import org.apache.commons.logging.LogFactory;
38 import org.apache.hadoop.conf.Configuration;
39 import org.apache.hadoop.hbase.testclassification.SmallTests;
40 import org.apache.hadoop.net.NetUtils;
41 import org.junit.Test;
42 import org.junit.experimental.categories.Category;
43
44 @Category(SmallTests.class)
45 public class TestGlobalFilter extends HttpServerFunctionalTest {
46 static final Log LOG = LogFactory.getLog(HttpServer.class);
47 static final Set<String> RECORDS = new TreeSet<String>();
48
49
50 static public class RecordingFilter implements Filter {
51 private FilterConfig filterConfig = null;
52
53 @Override
54 public void init(FilterConfig filterConfig) {
55 this.filterConfig = filterConfig;
56 }
57
58 @Override
59 public void destroy() {
60 this.filterConfig = null;
61 }
62
63 @Override
64 public void doFilter(ServletRequest request, ServletResponse response,
65 FilterChain chain) throws IOException, ServletException {
66 if (filterConfig == null)
67 return;
68
69 String uri = ((HttpServletRequest)request).getRequestURI();
70 LOG.info("filtering " + uri);
71 RECORDS.add(uri);
72 chain.doFilter(request, response);
73 }
74
75
76 static public class Initializer extends FilterInitializer {
77 public Initializer() {}
78
79 @Override
80 public void initFilter(FilterContainer container, Configuration conf) {
81 container.addGlobalFilter("recording", RecordingFilter.class.getName(), null);
82 }
83 }
84 }
85
86
87
88 static void access(String urlstring) throws IOException {
89 LOG.warn("access " + urlstring);
90 URL url = new URL(urlstring);
91 URLConnection connection = url.openConnection();
92 connection.connect();
93
94 try {
95 BufferedReader in = new BufferedReader(new InputStreamReader(
96 connection.getInputStream()));
97 try {
98 for(; in.readLine() != null; );
99 } finally {
100 in.close();
101 }
102 } catch(IOException ioe) {
103 LOG.warn("urlstring=" + urlstring, ioe);
104 }
105 }
106
107 @Test
108 public void testServletFilter() throws Exception {
109 Configuration conf = new Configuration();
110
111
112 conf.set(HttpServer.FILTER_INITIALIZERS_PROPERTY,
113 RecordingFilter.Initializer.class.getName());
114 HttpServer http = createTestServer(conf);
115 http.start();
116
117 final String fsckURL = "/fsck";
118 final String stacksURL = "/stacks";
119 final String ajspURL = "/a.jsp";
120 final String listPathsURL = "/listPaths";
121 final String dataURL = "/data";
122 final String streamFile = "/streamFile";
123 final String rootURL = "/";
124 final String allURL = "/*";
125 final String outURL = "/static/a.out";
126 final String logURL = "/logs/a.log";
127
128 final String[] urls = {fsckURL, stacksURL, ajspURL, listPathsURL,
129 dataURL, streamFile, rootURL, allURL, outURL, logURL};
130
131
132 final String prefix = "http://"
133 + NetUtils.getHostPortString(http.getConnectorAddress(0));
134 try {
135 for(int i = 0; i < urls.length; i++) {
136 access(prefix + urls[i]);
137 }
138 } finally {
139 http.stop();
140 }
141
142 LOG.info("RECORDS = " + RECORDS);
143
144
145 for(int i = 0; i < urls.length; i++) {
146 assertTrue(RECORDS.remove(urls[i]));
147 }
148 assertTrue(RECORDS.isEmpty());
149 }
150 }