Mercurial Hosting > luan
annotate src/luan/webserver/Connection.java @ 1144:ae0a048f3bc7
webserver - handle POST params
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Wed, 31 Jan 2018 00:29:50 -0700 |
parents | 0f59eab45f3d |
children | 12ececf30597 |
rev | line source |
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1137 | 1 package luan.webserver; |
2 | |
3 import java.io.InputStream; | |
4 import java.io.OutputStream; | |
5 import java.io.IOException; | |
6 import java.net.Socket; | |
7 import org.slf4j.Logger; | |
8 import org.slf4j.LoggerFactory; | |
9 import luan.lib.parser.ParseException; | |
10 | |
11 | |
12 final class Connection { | |
13 private static final Logger logger = LoggerFactory.getLogger(Connection.class); | |
14 | |
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15 static void handle(Server server,Socket socket) { |
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16 new Connection(server,socket).handle(); |
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17 } |
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18 |
1137 | 19 private final Server server; |
20 private final Socket socket; | |
21 | |
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22 private Connection(Server server,Socket socket) { |
1137 | 23 this.server = server; |
24 this.socket = socket; | |
25 } | |
26 | |
27 private void handle() { | |
28 try { | |
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29 Request request = new Request(); |
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30 { |
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31 InputStream in = socket.getInputStream(); |
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32 byte[] a = new byte[8192]; |
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33 int endOfHeader; |
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34 int size = 0; |
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35 int left = a.length; |
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36 outer: while(true) { |
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37 int n = in.read(a,size,left); |
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38 if( n == -1 ) { |
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39 if( size == 0 ) { |
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40 socket.close(); |
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41 return; |
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42 } |
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43 throw new IOException("unexpected end of input at "+size); |
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44 } |
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45 size += n; |
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46 for( int i=0; i<=size-4; i++ ) { |
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47 if( a[i]=='\r' && a[i+1]=='\n' && a[i+2]=='\r' && a[i+3]=='\n' ) { |
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48 endOfHeader = i + 4; |
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49 break outer; |
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50 } |
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51 } |
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52 left -= n; |
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53 if( left == 0 ) { |
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54 byte[] a2 = new byte[2*a.length]; |
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55 System.arraycopy(a,0,a2,0,size); |
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56 a = a2; |
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57 left = a.length - size; |
1137 | 58 } |
59 } | |
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60 String rawHead = new String(a,0,endOfHeader); |
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61 //System.out.println(rawHead); |
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62 request.rawHead = rawHead; |
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63 RequestParser parser = new RequestParser(request); |
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64 parser.parseHead(); |
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65 |
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66 String lenStr = request.headers.get("Content-Length"); |
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67 if( lenStr != null ) { |
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68 int len = Integer.parseInt(lenStr); |
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69 byte[] body = new byte[len]; |
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70 size -= endOfHeader; |
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71 System.arraycopy(a,endOfHeader,body,0,size); |
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72 while( size < len ) { |
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73 int n = in.read(body,size,len-size); |
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74 if( n == -1 ) { |
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75 throw new IOException("unexpected end of input at "+size); |
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76 } |
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77 size += n; |
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78 } |
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79 request.body = new String(body); |
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80 //System.out.println(request.body); |
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81 } |
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82 |
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83 if( request.method.equals("POST") ) { |
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84 if( request.body == null ) { |
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85 logger.error("post body is null"); |
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86 } else { |
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87 parser.parsePost(); |
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88 } |
1137 | 89 } |
90 } | |
91 | |
92 Response response = server.handler.handle(request); | |
93 response.headers.put("Connection","close"); | |
94 response.headers.put("Content-Length",Long.toString(response.body.length)); | |
95 byte[] header = response.toHeaderString().getBytes(); | |
96 | |
97 OutputStream out = socket.getOutputStream(); | |
98 out.write(header); | |
99 copyAll(response.body.content,out); | |
100 out.close(); | |
101 socket.close(); | |
102 } catch(IOException e) { | |
103 logger.info("",e); | |
104 } catch(ParseException e) { | |
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105 logger.warn("",e); |
1137 | 106 } |
107 } | |
108 | |
109 private static void copyAll(InputStream in,OutputStream out) | |
110 throws IOException | |
111 { | |
112 byte[] a = new byte[8192]; | |
113 int n; | |
114 while( (n=in.read(a)) != -1 ) { | |
115 out.write(a,0,n); | |
116 } | |
117 } | |
118 | |
119 } |