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annotate src/goodjava/webserver/Connection.java @ 1503:74c534de211f

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use InheritableThreadLocal in ThreadLocalAppender
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 10 May 2020 23:28:16 -0600
parents 471ef3e6a84e
children a0a74f5f490a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 package goodjava.webserver;
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2
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3 import java.io.InputStream;
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4 import java.io.OutputStream;
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5 import java.io.IOException;
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6 import java.net.Socket;
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7 import goodjava.logging.Logger;
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8 import goodjava.logging.LoggerFactory;
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9 import goodjava.parser.ParseException;
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10 import goodjava.io.IoUtils;
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11
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12
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13 final class Connection {
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14 private static final Logger logger = LoggerFactory.getLogger(Connection.class);
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15
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16 static void handle(Server server,Socket socket) {
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17 new Connection(server,socket).handle();
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18 }
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19
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20 private final Server server;
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21 private final Socket socket;
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22
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23 private Connection(Server server,Socket socket) {
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24 this.server = server;
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25 this.socket = socket;
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26 }
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27
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28 private void handle() {
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29 try {
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30 Request request = new Request();
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31 Response response;
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32 try {
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33 {
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34 InputStream in = socket.getInputStream();
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35 byte[] a = new byte[8192];
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36 int endOfHeader;
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37 int size = 0;
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38 int left = a.length;
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39 outer: while(true) {
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40 int n = in.read(a,size,left);
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41 if( n == -1 ) {
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42 if( size == 0 ) {
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43 socket.close();
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44 return;
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45 }
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46 throw new IOException("unexpected end of input at "+size);
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47 }
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48 size += n;
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49 for( int i=0; i<=size-4; i++ ) {
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50 if( a[i]=='\r' && a[i+1]=='\n' && a[i+2]=='\r' && a[i+3]=='\n' ) {
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51 endOfHeader = i + 4;
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52 break outer;
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53 }
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54 }
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55 left -= n;
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56 if( left == 0 ) {
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57 byte[] a2 = new byte[2*a.length];
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58 System.arraycopy(a,0,a2,0,size);
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59 a = a2;
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60 left = a.length - size;
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61 }
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62 }
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63 String rawHead = new String(a,0,endOfHeader);
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64 //System.out.println(rawHead);
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65 request.rawHead = rawHead;
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66 RequestParser parser = new RequestParser(request);
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67 parser.parseHead();
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68
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69 String lenStr = (String)request.headers.get("content-length");
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70 if( lenStr != null ) {
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71 int len = Integer.parseInt(lenStr);
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72 byte[] body = new byte[len];
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73 size -= endOfHeader;
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74 System.arraycopy(a,endOfHeader,body,0,size);
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75 while( size < len ) {
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76 int n = in.read(body,size,len-size);
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77 if( n == -1 ) {
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78 throw new IOException("unexpected end of input at "+size);
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79 }
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80 size += n;
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81 }
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82 request.body = body;
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83 //System.out.println(new String(request.body));
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84 }
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85
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86 String contentType = (String)request.headers.get("content-type");
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87 if( contentType != null ) {
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88 contentType = contentType.toLowerCase();
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89 if( contentType.equals("application/x-www-form-urlencoded") ) {
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90 parser.parseUrlencoded(null);
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91 } else if( contentType.equals("application/x-www-form-urlencoded; charset=utf-8") ) {
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92 parser.parseUrlencoded("utf-8");
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93 } else if( contentType.startsWith("multipart/form-data;") ) {
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94 parser.parseMultipart();
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95 } else if( contentType.equals("application/json") ) {
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96 parser.parseJson(null);
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97 } else if( contentType.equals("application/json; charset=utf-8") ) {
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98 parser.parseJson("utf-8");
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99 } else {
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100 logger.info("unknown request content-type: "+contentType);
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101 }
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102 }
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103
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104 String scheme = (String)request.headers.get("x-forwarded-proto");
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105 if( scheme != null )
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106 request.scheme = scheme;
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107 }
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108 response = server.handler.handle(request);
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109 } catch(ParseException e) {
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110 logger.warn("parse error\n"+request.rawHead.trim()+"\n",e);
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111 response = Response.errorResponse(Status.BAD_REQUEST,e.toString());
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112 }
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113 response.headers.put("connection","close");
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114 response.headers.put("content-length",Long.toString(response.body.length));
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115 byte[] header = response.toHeaderString().getBytes();
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116
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117 OutputStream out = socket.getOutputStream();
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118 out.write(header);
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119 IoUtils.copyAll(response.body.content,out);
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120 out.close();
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121 socket.close();
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122 } catch(IOException e) {
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123 logger.info("",e);
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124 }
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125 }
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126
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127 }