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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 TestPathFilter extends HttpServerFunctionalTest {
46 private 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.addFilter("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
92 URLConnection connection = url.openConnection();
93 connection.connect();
94
95 try {
96 BufferedReader in = new BufferedReader(new InputStreamReader(
97 connection.getInputStream()));
98 try {
99 for(; in.readLine() != null; );
100 } finally {
101 in.close();
102 }
103 } catch(IOException ioe) {
104 LOG.warn("urlstring=" + urlstring, ioe);
105 }
106 }
107
108 @Test
109 public void testPathSpecFilters() throws Exception {
110 Configuration conf = new Configuration();
111
112
113 conf.set(HttpServer.FILTER_INITIALIZERS_PROPERTY,
114 RecordingFilter.Initializer.class.getName());
115 String[] pathSpecs = { "/path", "/path/*" };
116 HttpServer http = createTestServer(conf, pathSpecs);
117 http.start();
118
119 final String baseURL = "/path";
120 final String baseSlashURL = "/path/";
121 final String addedURL = "/path/nodes";
122 final String addedSlashURL = "/path/nodes/";
123 final String longURL = "/path/nodes/foo/job";
124 final String rootURL = "/";
125 final String allURL = "/*";
126
127 final String[] filteredUrls = {baseURL, baseSlashURL, addedURL,
128 addedSlashURL, longURL};
129 final String[] notFilteredUrls = {rootURL, allURL};
130
131
132
133 final String prefix = "http://"
134 + NetUtils.getHostPortString(http.getConnectorAddress(0));
135 try {
136 for(int i = 0; i < filteredUrls.length; i++) {
137 access(prefix + filteredUrls[i]);
138 }
139 for(int i = 0; i < notFilteredUrls.length; i++) {
140 access(prefix + notFilteredUrls[i]);
141 }
142 } finally {
143 http.stop();
144 }
145
146 LOG.info("RECORDS = " + RECORDS);
147
148
149 for(int i = 0; i < filteredUrls.length; i++) {
150 assertTrue(RECORDS.remove(filteredUrls[i]));
151 }
152 assertTrue(RECORDS.isEmpty());
153 }
154 }