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1 /* |
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2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 import com.sun.net.httpserver.HttpContext; |
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25 import com.sun.net.httpserver.HttpExchange; |
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26 import com.sun.net.httpserver.HttpHandler; |
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27 import com.sun.net.httpserver.HttpServer; |
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28 import com.sun.net.httpserver.HttpsConfigurator; |
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29 import com.sun.net.httpserver.HttpsParameters; |
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30 import com.sun.net.httpserver.HttpsServer; |
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31 import java.io.IOException; |
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32 import java.io.InputStream; |
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33 import java.io.OutputStream; |
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34 import java.io.OutputStreamWriter; |
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35 import java.io.PrintWriter; |
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36 import java.io.Writer; |
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37 import java.net.HttpURLConnection; |
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38 import java.net.InetAddress; |
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39 import java.net.InetSocketAddress; |
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40 import java.net.Proxy; |
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41 import java.net.ProxySelector; |
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42 import java.net.ServerSocket; |
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43 import java.net.Socket; |
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44 import java.net.URI; |
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45 import java.net.URISyntaxException; |
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46 import java.nio.charset.StandardCharsets; |
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47 import java.security.NoSuchAlgorithmException; |
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48 import javax.net.ssl.HostnameVerifier; |
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49 import javax.net.ssl.HttpsURLConnection; |
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50 import javax.net.ssl.SSLContext; |
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51 import javax.net.ssl.SSLSession; |
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52 import jdk.incubator.http.HttpClient; |
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53 import jdk.incubator.http.HttpRequest; |
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54 import jdk.incubator.http.HttpResponse; |
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55 import jdk.testlibrary.SimpleSSLContext; |
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56 |
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57 /** |
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58 * @test |
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59 * @bug 8185852 |
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60 * @summary verifies that passing a proxy with an unresolved address does |
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61 * not cause java.nio.channels.UnresolvedAddressException |
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62 * @modules jdk.incubator.httpclient |
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63 * @library /lib/testlibrary/ |
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64 * @build jdk.testlibrary.SimpleSSLContext ProxyTest |
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65 * @run main/othervm ProxyTest |
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66 * @author danielfuchs |
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67 */ |
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68 public class ProxyTest { |
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69 |
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70 static { |
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71 try { |
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72 HttpsURLConnection.setDefaultHostnameVerifier(new HostnameVerifier() { |
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73 public boolean verify(String hostname, SSLSession session) { |
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74 return true; |
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75 } |
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76 }); |
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77 SSLContext.setDefault(new SimpleSSLContext().get()); |
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78 } catch (IOException ex) { |
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79 throw new ExceptionInInitializerError(ex); |
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80 } |
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81 } |
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82 |
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83 static final String RESPONSE = "<html><body><p>Hello World!</body></html>"; |
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84 static final String PATH = "/foo/"; |
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85 |
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86 static HttpServer createHttpsServer() throws IOException, NoSuchAlgorithmException { |
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87 HttpsServer server = com.sun.net.httpserver.HttpsServer.create(); |
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88 HttpContext context = server.createContext(PATH); |
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89 context.setHandler(new HttpHandler() { |
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90 @Override |
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91 public void handle(HttpExchange he) throws IOException { |
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92 he.getResponseHeaders().add("encoding", "UTF-8"); |
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93 he.sendResponseHeaders(200, RESPONSE.length()); |
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94 he.getResponseBody().write(RESPONSE.getBytes(StandardCharsets.UTF_8)); |
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95 he.close(); |
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96 } |
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97 }); |
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98 |
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99 server.setHttpsConfigurator(new Configurator(SSLContext.getDefault())); |
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100 server.bind(new InetSocketAddress(InetAddress.getLoopbackAddress(), 0), 0); |
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101 return server; |
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102 } |
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103 |
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104 public static void main(String[] args) |
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105 throws IOException, |
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106 URISyntaxException, |
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107 NoSuchAlgorithmException, |
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108 InterruptedException |
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109 { |
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110 HttpServer server = createHttpsServer(); |
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111 server.start(); |
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112 try { |
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113 test(server, HttpClient.Version.HTTP_1_1); |
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114 // test(server, HttpClient.Version.HTTP_2); |
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115 } finally { |
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116 server.stop(0); |
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117 System.out.println("Server stopped"); |
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118 } |
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119 } |
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120 |
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121 public static void test(HttpServer server, HttpClient.Version version) |
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122 throws IOException, |
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123 URISyntaxException, |
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124 NoSuchAlgorithmException, |
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125 InterruptedException |
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126 { |
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127 System.out.println("Server is: " + server.getAddress().toString()); |
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128 System.out.println("Verifying communication with server"); |
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129 URI uri = new URI("https:/" + server.getAddress().toString() + PATH + "x"); |
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130 try (InputStream is = uri.toURL().openConnection().getInputStream()) { |
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131 String resp = new String(is.readAllBytes(), StandardCharsets.UTF_8); |
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132 System.out.println(resp); |
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133 if (!RESPONSE.equals(resp)) { |
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134 throw new AssertionError("Unexpected response from server"); |
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135 } |
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136 } |
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137 System.out.println("Communication with server OK"); |
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138 |
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139 TunnelingProxy proxy = new TunnelingProxy(server); |
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140 proxy.start(); |
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141 try { |
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142 System.out.println("Proxy started"); |
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143 Proxy p = new Proxy(Proxy.Type.HTTP, |
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144 InetSocketAddress.createUnresolved("localhost", proxy.getAddress().getPort())); |
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145 System.out.println("Verifying communication with proxy"); |
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146 HttpURLConnection conn = (HttpURLConnection)uri.toURL().openConnection(p); |
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147 try (InputStream is = conn.getInputStream()) { |
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148 String resp = new String(is.readAllBytes(), StandardCharsets.UTF_8); |
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149 System.out.println(resp); |
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150 if (!RESPONSE.equals(resp)) { |
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151 throw new AssertionError("Unexpected response from proxy"); |
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152 } |
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153 } |
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154 System.out.println("Communication with proxy OK"); |
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155 System.out.println("\nReal test begins here."); |
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156 System.out.println("Setting up request with HttpClient for version: " |
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157 + version.name()); |
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158 ProxySelector ps = ProxySelector.of( |
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159 InetSocketAddress.createUnresolved("localhost", proxy.getAddress().getPort())); |
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160 HttpClient client = HttpClient.newBuilder() |
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161 .version(version) |
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162 .proxy(ps) |
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163 .build(); |
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164 HttpRequest request = HttpRequest.newBuilder() |
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165 .uri(uri) |
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166 .GET() |
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167 .build(); |
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168 |
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169 System.out.println("Sending request with HttpClient"); |
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170 HttpResponse<String> response |
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171 = client.send(request, HttpResponse.BodyHandler.asString()); |
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172 System.out.println("Got response"); |
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173 String resp = response.body(); |
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174 System.out.println("Received: " + resp); |
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175 if (!RESPONSE.equals(resp)) { |
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176 throw new AssertionError("Unexpected response"); |
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177 } |
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178 } finally { |
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179 System.out.println("Stopping proxy"); |
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180 proxy.stop(); |
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181 System.out.println("Proxy stopped"); |
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182 } |
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183 } |
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184 |
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185 static class TunnelingProxy { |
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186 final Thread accept; |
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187 final ServerSocket ss; |
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188 final boolean DEBUG = false; |
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189 final HttpServer serverImpl; |
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190 TunnelingProxy(HttpServer serverImpl) throws IOException { |
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191 this.serverImpl = serverImpl; |
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192 ss = new ServerSocket(); |
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193 accept = new Thread(this::accept); |
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194 } |
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195 |
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196 void start() throws IOException { |
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197 ss.bind(new InetSocketAddress(InetAddress.getLoopbackAddress(), 0)); |
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198 accept.start(); |
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199 } |
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200 |
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201 // Pipe the input stream to the output stream. |
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202 private synchronized Thread pipe(InputStream is, OutputStream os, char tag) { |
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203 return new Thread("TunnelPipe("+tag+")") { |
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204 @Override |
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205 public void run() { |
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206 try { |
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207 try { |
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208 int c; |
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209 while ((c = is.read()) != -1) { |
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210 os.write(c); |
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211 os.flush(); |
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212 // if DEBUG prints a + or a - for each transferred |
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213 // character. |
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214 if (DEBUG) System.out.print(tag); |
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215 } |
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216 is.close(); |
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217 } finally { |
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218 os.close(); |
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219 } |
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220 } catch (IOException ex) { |
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221 if (DEBUG) ex.printStackTrace(System.out); |
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222 } |
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223 } |
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224 }; |
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225 } |
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226 |
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227 public InetSocketAddress getAddress() { |
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228 return new InetSocketAddress(ss.getInetAddress(), ss.getLocalPort()); |
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229 } |
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230 |
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231 // This is a bit shaky. It doesn't handle continuation |
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232 // lines, but our client shouldn't send any. |
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233 // Read a line from the input stream, swallowing the final |
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234 // \r\n sequence. Stops at the first \n, doesn't complain |
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235 // if it wasn't preceded by '\r'. |
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236 // |
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237 String readLine(InputStream r) throws IOException { |
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238 StringBuilder b = new StringBuilder(); |
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239 int c; |
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240 while ((c = r.read()) != -1) { |
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241 if (c == '\n') break; |
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242 b.appendCodePoint(c); |
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243 } |
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244 if (b.codePointAt(b.length() -1) == '\r') { |
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245 b.delete(b.length() -1, b.length()); |
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246 } |
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247 return b.toString(); |
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248 } |
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249 |
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250 public void accept() { |
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251 Socket clientConnection = null; |
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252 try { |
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253 while (true) { |
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254 System.out.println("Tunnel: Waiting for client"); |
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255 Socket previous = clientConnection; |
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256 try { |
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257 clientConnection = ss.accept(); |
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258 } catch (IOException io) { |
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259 if (DEBUG) io.printStackTrace(System.out); |
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260 break; |
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261 } finally { |
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262 // we have only 1 client at a time, so it is safe |
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263 // to close the previous connection here |
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264 if (previous != null) previous.close(); |
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265 } |
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266 System.out.println("Tunnel: Client accepted"); |
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267 Socket targetConnection = null; |
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268 InputStream ccis = clientConnection.getInputStream(); |
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269 OutputStream ccos = clientConnection.getOutputStream(); |
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270 Writer w = new OutputStreamWriter(ccos, "UTF-8"); |
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271 PrintWriter pw = new PrintWriter(w); |
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272 System.out.println("Tunnel: Reading request line"); |
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273 String requestLine = readLine(ccis); |
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274 System.out.println("Tunnel: Request status line: " + requestLine); |
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275 if (requestLine.startsWith("CONNECT ")) { |
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276 // We should probably check that the next word following |
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277 // CONNECT is the host:port of our HTTPS serverImpl. |
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278 // Some improvement for a followup! |
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279 |
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280 // Read all headers until we find the empty line that |
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281 // signals the end of all headers. |
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282 while(!requestLine.equals("")) { |
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283 System.out.println("Tunnel: Reading header: " |
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284 + (requestLine = readLine(ccis))); |
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285 } |
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286 |
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287 // Open target connection |
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288 targetConnection = new Socket( |
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289 serverImpl.getAddress().getAddress(), |
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290 serverImpl.getAddress().getPort()); |
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291 |
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292 // Then send the 200 OK response to the client |
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293 System.out.println("Tunnel: Sending " |
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294 + "HTTP/1.1 200 OK\r\n\r\n"); |
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295 pw.print("HTTP/1.1 200 OK\r\nContent-Length: 0\r\n\r\n"); |
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296 pw.flush(); |
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297 } else { |
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298 // This should not happen. |
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299 throw new IOException("Tunnel: Unexpected status line: " |
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300 + requestLine); |
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301 } |
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302 |
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303 // Pipe the input stream of the client connection to the |
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304 // output stream of the target connection and conversely. |
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305 // Now the client and target will just talk to each other. |
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306 System.out.println("Tunnel: Starting tunnel pipes"); |
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307 Thread t1 = pipe(ccis, targetConnection.getOutputStream(), '+'); |
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308 Thread t2 = pipe(targetConnection.getInputStream(), ccos, '-'); |
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309 t1.start(); |
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310 t2.start(); |
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311 |
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312 // We have only 1 client... wait until it has finished before |
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313 // accepting a new connection request. |
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314 // System.out.println("Tunnel: Waiting for pipes to close"); |
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315 // t1.join(); |
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316 // t2.join(); |
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317 System.out.println("Tunnel: Done - waiting for next client"); |
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318 } |
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319 } catch (Throwable ex) { |
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320 try { |
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321 ss.close(); |
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322 } catch (IOException ex1) { |
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323 ex.addSuppressed(ex1); |
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324 } |
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325 ex.printStackTrace(System.err); |
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326 } |
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327 } |
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328 |
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329 void stop() throws IOException { |
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330 ss.close(); |
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331 } |
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332 |
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333 } |
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334 |
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335 static class Configurator extends HttpsConfigurator { |
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336 public Configurator(SSLContext ctx) { |
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337 super(ctx); |
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338 } |
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339 |
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340 @Override |
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341 public void configure (HttpsParameters params) { |
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342 params.setSSLParameters (getSSLContext().getSupportedSSLParameters()); |
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343 } |
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344 } |
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345 |
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346 } |