Mercurial > 510Connectbot
annotate app/src/main/java/ch/ethz/ssh2/transport/HTTPProxyClientTransportManager.java @ 474:e5f8d879543f
add fg/bg color setting to global:// section of deployment.connections file
author | Carl Byington <carl@five-ten-sg.com> |
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date | Sun, 20 Oct 2019 14:08:00 -0700 |
parents | d29cce60f393 |
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1 package ch.ethz.ssh2.transport; |
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2 |
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3 import java.io.IOException; |
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4 import java.io.InputStream; |
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5 import java.io.InputStreamReader; |
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6 import java.io.LineNumberReader; |
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7 import java.io.OutputStream; |
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8 import java.net.InetSocketAddress; |
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9 import java.net.Socket; |
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10 |
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11 import ch.ethz.ssh2.HTTPProxyData; |
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12 import ch.ethz.ssh2.HTTPProxyException; |
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13 import ch.ethz.ssh2.crypto.Base64; |
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14 import ch.ethz.ssh2.util.StringEncoder; |
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15 |
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16 /** |
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17 * @version $Id: HTTPProxyClientTransportManager.java 155 2014-04-28 12:01:19Z dkocher@sudo.ch $ |
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18 */ |
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19 public class HTTPProxyClientTransportManager extends ClientTransportManager { |
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20 |
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21 /** |
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22 * Used to tell the library that the connection shall be established through a proxy server. |
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23 */ |
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24 |
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25 private HTTPProxyData pd; |
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26 |
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27 private final Socket sock; |
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28 |
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29 public HTTPProxyClientTransportManager(final Socket socket, final HTTPProxyData pd) { |
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30 super(socket); |
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31 this.sock = socket; |
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32 this.pd = pd; |
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33 } |
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34 |
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35 @Override |
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36 protected void connect(final String hostname, final int port, final int connectTimeout) throws IOException { |
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37 sock.connect(new InetSocketAddress(pd.proxyHost, pd.proxyPort), connectTimeout); |
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38 // Tell the proxy where we actually want to connect to |
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39 StringBuilder sb = new StringBuilder(); |
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40 sb.append("CONNECT "); |
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41 sb.append(hostname); |
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42 sb.append(':'); |
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43 sb.append(port); |
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44 sb.append(" HTTP/1.0\r\n"); |
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45 |
307 | 46 if ((pd.proxyUser != null) && (pd.proxyPass != null)) { |
273
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47 String credentials = pd.proxyUser + ":" + pd.proxyPass; |
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48 char[] encoded = Base64.encode(StringEncoder.GetBytes(credentials)); |
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49 sb.append("Proxy-Authorization: Basic "); |
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50 sb.append(encoded); |
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51 sb.append("\r\n"); |
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52 } |
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53 |
307 | 54 if (pd.requestHeaderLines != null) { |
55 for (int i = 0; i < pd.requestHeaderLines.length; i++) { | |
56 if (pd.requestHeaderLines[i] != null) { | |
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57 sb.append(pd.requestHeaderLines[i]); |
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58 sb.append("\r\n"); |
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59 } |
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60 } |
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61 } |
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62 |
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63 sb.append("\r\n"); |
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64 OutputStream out = sock.getOutputStream(); |
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65 out.write(StringEncoder.GetBytes(sb.toString())); |
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66 out.flush(); |
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67 // Parse the HTTP response |
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68 InputStream in = sock.getInputStream(); |
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69 final LineNumberReader reader = new LineNumberReader(new InputStreamReader(in)); |
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70 String httpReponse = reader.readLine(); |
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71 |
307 | 72 if (!httpReponse.startsWith("HTTP/")) { |
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73 throw new IOException("The proxy did not send back a valid HTTP response."); |
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74 } |
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75 |
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76 // "HTTP/1.X XYZ X" => 14 characters minimum |
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77 |
307 | 78 if ((httpReponse.length() < 14) || (httpReponse.charAt(8) != ' ') || (httpReponse.charAt(12) != ' ')) { |
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79 throw new IOException("The proxy did not send back a valid HTTP response."); |
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80 } |
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81 |
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82 int errorCode; |
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83 |
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84 try { |
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85 errorCode = Integer.parseInt(httpReponse.substring(9, 12)); |
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86 } |
307 | 87 catch (NumberFormatException ignore) { |
273
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88 throw new IOException("The proxy did not send back a valid HTTP response."); |
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89 } |
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90 |
307 | 91 if ((errorCode < 0) || (errorCode > 999)) { |
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92 throw new IOException("The proxy did not send back a valid HTTP response."); |
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93 } |
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94 |
307 | 95 if (errorCode != 200) { |
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96 throw new HTTPProxyException(httpReponse.substring(13), errorCode); |
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97 } |
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98 |
307 | 99 while (reader.readLine() != null) { |
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100 // Read until empty line |
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101 } |
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102 } |
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103 } |