Mercurial Hosting > luan

annotate src/goodjava/webserver/Connection.java @ 1636:8efb10bf569a

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remove duplicate files
author fffilimonov
date Wed, 15 Dec 2021 08:26:29 +0000
parents fa066aaa068c
children a02a75e3daa8
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 String contentType = null;
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33 try {
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34 {
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35 InputStream in = socket.getInputStream();
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36 byte[] a = new byte[8192];
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37 int endOfHeader;
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38 int size = 0;
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39 int left = a.length;
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40 outer: while(true) {
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41 int n = in.read(a,size,left);
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42 if( n == -1 ) {
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43 if( size == 0 ) {
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44 socket.close();
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45 return;
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46 }
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47 throw new IOException("unexpected end of input at "+size);
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48 }
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49 size += n;
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50 for( int i=0; i<=size-4; i++ ) {
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51 if( a[i]=='\r' && a[i+1]=='\n' && a[i+2]=='\r' && a[i+3]=='\n' ) {
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52 endOfHeader = i + 4;
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53 break outer;
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54 }
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55 }
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56 left -= n;
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57 if( left == 0 ) {
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58 byte[] a2 = new byte[2*a.length];
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59 System.arraycopy(a,0,a2,0,size);
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60 a = a2;
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61 left = a.length - size;
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62 }
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63 }
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64 String rawHead = new String(a,0,endOfHeader);
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65 //System.out.println(rawHead);
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66 request.rawHead = rawHead;
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67 RequestParser parser = new RequestParser(request);
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68 parser.parseHead();
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69
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70 String lenStr = (String)request.headers.get("content-length");
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71 if( lenStr != null ) {
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72 int len = Integer.parseInt(lenStr);
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73 byte[] body = new byte[len];
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74 size -= endOfHeader;
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75 System.arraycopy(a,endOfHeader,body,0,size);
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76 while( size < len ) {
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77 int n = in.read(body,size,len-size);
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78 if( n == -1 ) {
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79 throw new IOException("unexpected end of input at "+size);
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80 }
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81 size += n;
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82 }
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83 request.body = body;
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84 //System.out.println(new String(request.body));
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85 }
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86
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87 contentType = (String)request.headers.get("content-type");
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88 if( contentType != null ) {
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89 contentType = contentType.toLowerCase();
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90 if( contentType.equals("application/x-www-form-urlencoded") ) {
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91 parser.parseUrlencoded(null);
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92 } else if( contentType.equals("application/x-www-form-urlencoded; charset=utf-8") ) {
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93 parser.parseUrlencoded("utf-8");
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94 } else if( contentType.startsWith("multipart/form-data;") ) {
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95 parser.parseMultipart();
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96 } else if( contentType.equals("application/json") ) {
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97 parser.parseJson(null);
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98 } else if( contentType.equals("application/json; charset=utf-8") ) {
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99 parser.parseJson("utf-8");
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100 } else {
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101 logger.info("unknown request content-type: "+contentType);
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102 }
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103 }
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104
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105 String scheme = (String)request.headers.get("x-forwarded-proto");
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106 if( scheme != null )
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107 request.scheme = scheme;
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108 }
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109 response = server.handler.handle(request);
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110 } catch(ParseException e) {
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111 logger.warn("parse error\n"+request.rawHead.trim()+"\n",e);
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112 String msg = e.toString();
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113 if( contentType != null )
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114 msg = "invalid content for content-type " + contentType + "\n" + msg;
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115 response = Response.errorResponse(Status.BAD_REQUEST,msg);
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116 }
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117 response.headers.put("Connection","close");
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118 response.headers.put("Content-Length",Long.toString(response.body.length));
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119 byte[] header = response.toHeaderString().getBytes();
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120
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121 OutputStream out = socket.getOutputStream();
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122 out.write(header);
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123 IoUtils.copyAll(response.body.content,out);
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124 out.close();
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125 socket.close();
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126 } catch(IOException e) {
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127 logger.info("",e);
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128 }
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129 }
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130
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131 }