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1 /*
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2 client.go : client-program.
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8
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3 Version : 1.2
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4 Last Change: 2018-10-30 火 09:13:24.
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0
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5
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6 install to: rsearcher_root/
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7
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8 rsearcher_root/client.exe
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9 + grsearcher.exe
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10 + app.conf
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11 + verup.bat
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12 + auth.db ( temporary )
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13 + hhs.db ( temporary )
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14 + index.db ( 10 days )
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3
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15 + image/*.png, *.jpg
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16 + doc/
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4
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17 + .cache/* ( temporary )
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18
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8
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19 $ client.exe -r 192.168.0.1:3910 # get new release
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20 $ client.exe -u 192.168.0.1:3910 # get new dbs
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21 $ client.exe 192.168.0.1:3910 0800012345 20171231 # get images
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22 $ client.exe -a 192.168.0.1:3910 upfile.txt # upload file
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23 */
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24 package main
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25
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26 import (
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27 "archive/tar"
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28 "bytes"
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29 "compress/gzip"
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30 "flag"
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31 "fmt"
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32 "io"
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33 "io/ioutil"
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34 "log"
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35 "net/http"
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36 "os"
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37 "path/filepath"
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38 "regexp"
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39 "time"
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40 )
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41
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4
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42 var version string
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43
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44 func init() {
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8
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45 version = "1.2"
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4
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46 }
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47
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48 func main() {
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7
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49 var upgrade = flag.Bool( "r", false, "" ) // get grsearcher.exe, crypto.exe client.exe
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4
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50 var update = flag.Bool( "u", false, "" ) // get auth.db, hhs.db, index.db(14,28)
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51 var upload = flag.Bool( "a", false, "" ) // post somefile
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52 var cnttime = flag.Bool( "t", false, "" ) // count time
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53 var printver = flag.Bool( "v", false, "" ) // print version
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54 flag.Parse()
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55
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4
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56 // print version
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57 if *printver {
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58 fmt.Println( "client [ ver", version, "]" )
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4
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59 os.Exit( 0 )
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60 }
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61
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62 st := time.Now() // start time
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63
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4
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64 // upload
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65 if *upload {
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66 if flag.NArg() != 2 {
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67 fmt.Fprintf( os.Stderr, "bad host or file.\n" )
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68 os.Exit( 1 )
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69 }
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70 host := flag.Args()[0]
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71 file := flag.Args()[1]
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72 fmt.Printf( "Sending %s...", file )
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73 f, err := os.Open( file )
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74 if err != nil {
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75 log.Fatal( err )
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76 }
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77 defer f.Close()
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78
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79 res, err := http.Post( "http://" + host + "/upload", "binary/octet-stream", f )
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80 if err != nil {
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81 log.Fatal( err )
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82 }
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83 defer res.Body.Close()
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84 message, _ := ioutil.ReadAll( res.Body )
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85 fmt.Println( string( message ) )
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86
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87 if *cnttime {
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88 fmt.Println( "---", time.Now().Sub( st ) )
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89 }
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90 os.Exit( 0 )
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91 }
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92
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93 // software upgrade
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94 if *upgrade {
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95 if flag.NArg() != 1 {
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96 fmt.Fprintf( os.Stderr, "bad remote host.\n" )
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97 os.Exit( 1 )
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98 }
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1
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99 fmt.Print( "Getting grsearcher.exe..." )
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100 host := flag.Args()[0]
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101 if _, err := get_file( host, "/release/grsearcher.exe", "grsearcher.exe" ); err != nil {
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102 log.Fatal( err )
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103 }
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104 fmt.Print( "Getting crypto.exe..." )
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105 if _, err := get_file( host, "/release/crypto.exe", "crypto.exe" ); err != nil {
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106 log.Fatal( err )
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107 }
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108 fmt.Print( "Getting client.exe..." )
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109 if _, err := get_file( host, "/release/client.exe", "client1.exe" ); err != nil {
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110 log.Fatal( err )
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111 }
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112 if *cnttime {
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113 fmt.Println( "---", time.Now().Sub( st ) )
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114 }
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115 os.Exit( 0 )
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116 }
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117
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118 // database update
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119 if *update {
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120 if flag.NArg() != 1 {
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121 fmt.Fprintf( os.Stderr, "bad remote host.\n" )
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122 os.Exit( 1 )
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123 }
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124 fmt.Print( "Getting auth.db..." )
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125 host := flag.Args()[0]
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126 if _, err := get_file( host, "/db/auth.db", "auth.db" ); err != nil {
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127 log.Fatal( err )
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128 }
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129 fmt.Print( "Getting hhs.db..." )
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130 if _, err := get_file( host, "/db/hhs.db", "hhs.db" ); err != nil {
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131 log.Fatal( err )
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132 }
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133
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134 if time.Now().Day() % 14 == 0 {
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135 fmt.Print( "Getting index.db..." )
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136 if _, err := get_file( host, "/db/index.db", "index.db" ); err != nil {
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137 log.Fatal( err )
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138 }
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139 }
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140
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141 if *cnttime {
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142 fmt.Println( "---", time.Now().Sub( st ) )
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143 }
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144 os.Exit( 0 )
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145 }
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146
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4
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147 // main : image download
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148 if flag.NArg() != 3 {
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149 fmt.Fprintf( os.Stderr, "bad argument.\n" )
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150 os.Exit( 1 )
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151 }
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152
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153 host := flag.Args()[0]
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154 h := flag.Args()[1]
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155 d := flag.Args()[2]
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156
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157 r, err := regexp.Compile( "^0[1238][0-9]{8}$" )
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158 if err != nil {
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159 log.Fatal( err )
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160 }
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161 m := r.FindString( h )
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162 if len( m ) == 0 {
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163 fmt.Fprintf( os.Stderr, "bad hno.\n" )
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164 os.Exit( 1 )
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165 }
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166
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167 rfile := "/images/" + d + "/" + h + ".tgz"
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168 b, err := get_file( host, rfile, "" )
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169 if err != nil {
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170 log.Fatal( err )
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171 }
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172 if err := untgz_images( d, b ); err != nil {
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173 log.Fatal( err )
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174 }
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175
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176 if *cnttime {
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177 fmt.Println( "---", time.Now().Sub( st ) )
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178 }
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179 }
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180
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181 /* Subroutines */
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182 // HTTP GET
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183 func get_file( host, rfile, lfile string ) ( []byte, error ) {
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184 res, err := http.Get( "http://" + host + "/" + rfile )
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185 if err != nil {
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186 return nil, err
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187 }
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1
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188 fmt.Println( "\t[" + res.Status + "]" )
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189 if res.StatusCode == http.StatusNotFound {
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190 return nil, nil
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191 }
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192 b, err := ioutil.ReadAll( res.Body )
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193 res.Body.Close()
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194 if err != nil {
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195 return nil, err
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196 }
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197 if lfile != "" {
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198 if err := ioutil.WriteFile( lfile, b, 0644 ); err != nil {
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199 return nil, err
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200 }
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201 return nil, nil
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202 }
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203 return b, nil
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204 }
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205
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206 // Un-Tar/Gzip
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207 func untgz_images( d string, b []byte ) error {
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208 br := bytes.NewReader( b )
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209 zr, err := gzip.NewReader( br )
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210 if err != nil {
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211 return err
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212 }
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213
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214 tr := tar.NewReader( zr )
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215 for i := 1; ; i++ {
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216 //hdr, err := tr.Next()
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217 _, err := tr.Next()
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218 if err == io.EOF {
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219 break // End of archive
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220 }
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221 if err != nil {
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222 return err
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223 }
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224 //f, _ := os.Create( hdr.Name )
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3
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225 fn := fmt.Sprintf( "%s_%d", d, i ) // 1.0a
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226
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227 fn = filepath.Join( ".cache", fn )
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228 f, _ := os.Create( fn )
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229 if _, err := io.Copy( f, tr ); err != nil {
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230 return err
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231 }
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232 f.Close()
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233 }
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234
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235 if err := zr.Close(); err != nil {
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236 return err
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237 }
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238 return nil
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239 }
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240
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