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1 /*
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2 server.go : server-program.
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4
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3 Version : 1.1
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4 Last Change: 2018-10-12 金 14:37:48.
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5
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6 install to: server_root/
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7
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8 server_root/server
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9 + db/
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10 + release/
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11 + images/
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12 */
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13 package main
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14
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15 import(
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16 "path/filepath"
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17 "fmt"
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18 "io"
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19 "log"
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20 "net"
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21 "net/http"
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22 "os"
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3
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23 "time"
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24 )
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25
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26 var server string
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27 var port string
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28 var server_root string
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4
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29 var version string
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3
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30
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31 func init() {
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32 port = ":3910"
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33 server_root = filepath.Dir( os.Args[0] )
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34 version = "1.1"
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3
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35 }
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36
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37 func main() {
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38
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3
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39 // setting IP-Address & Port
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40 addrs, err := net.InterfaceAddrs()
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41 if err != nil {
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42 log.Fatal( err )
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43 }
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44 for _, a := range addrs {
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45 if ipnet, ok := a.( *net.IPNet ); ok && !ipnet.IP.IsLoopback() {
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46 if ipnet.IP.To4() != nil {
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47 server = ipnet.IP.String() + port
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48 }
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49 }
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50 }
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51
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3
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52 // start Web-server
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53 fmt.Println( "server start [", server, "] ( program version", version, ")" )
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54 http.HandleFunc( "/", handler )
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55 http.HandleFunc( "/upload", upload_handler )
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56 log.Fatal( http.ListenAndServe( server, nil ) )
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57 }
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58
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3
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59 func handler( w http.ResponseWriter, r *http.Request ) {
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60 file := filepath.Join( server_root, filepath.FromSlash( r.URL.Path ) )
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61 fmt.Println( "[access]", r.RemoteAddr, "|", time.Now().Format( "2006-01-02 15:04" ), "|", file )
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62 f, err := os.Open( file )
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63 if err != nil {
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64 http.NotFound( w, r )
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65 return
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66 }
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67 defer f.Close()
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68 io.Copy( w, f )
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69 }
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4
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70
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71 func upload_handler( w http.ResponseWriter, r *http.Request ) {
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72 fmt.Println( "[access]", r.RemoteAddr, "|", time.Now().Format( "2006-01-02 15:04" ), "|", "/upload" )
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73 now := time.Now().Format( "20060102_150405" )
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74 file := filepath.Join( server_root, "upload", now )
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75 f, err := os.Create( file )
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76 if err != nil {
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77 http.NotFound( w, r )
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78 return
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79 }
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80 n, err := io.Copy( f, r.Body )
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81 if err != nil {
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82 http.NotFound( w, r )
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83 return
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84 }
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85 f.Close()
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86 w.Write( []byte( fmt.Sprintf( "%d bytes are recieved.\n", n ) ) )
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87 }
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88
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