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0
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1 /*
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2 client.go : client-program.
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14
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3 Version : 1.4
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4 Last Change: 2018-12-05 水 08:29:02.
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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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12
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11 + upgrade.bat
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0
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12 + auth.db ( temporary )
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13 + hhs.db ( temporary )
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12
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14 + index.db ( 14 days )
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3
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15 + image/*.png, *.jpg
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13
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16 + manual.pdf
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4
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17 + .cache/* ( temporary )
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0
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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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0
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21 $ client.exe 192.168.0.1:3910 0800012345 20171231 # get images
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12
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22 $ client.exe -a 192.168.0.1:3910 upfile.txt # upload file to /upload
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23 $ client.exe -m 192.168.0.1:3910 hhs.db # upload file to /db
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0
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24 */
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25 package main
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26
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27 import (
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28 "archive/tar"
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29 "bytes"
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30 "compress/gzip"
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31 "flag"
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32 "fmt"
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33 "io"
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34 "io/ioutil"
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35 "log"
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36 "net/http"
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14
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37 "net/url"
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0
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38 "os"
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39 "path/filepath"
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40 "regexp"
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41 "time"
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42 )
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43
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4
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44 var version string
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45
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46 func init() {
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14
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47 version = "1.4" // image query version
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4
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48 }
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49
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0
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50 func main() {
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13
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51 var upgrade = flag.Bool( "r", false, "get new release" ) // get grsearcher.exe, crypto.exe client.exe manual.pdf
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12
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52 var update = flag.Bool( "u", false, "get new DBs" ) // get auth.db, hhs.db, index.db(14,28)
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53 var managedb = flag.Bool( "m", false, "upload to /db" ) // management db
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54 var upload = flag.Bool( "a", false, "upload to /upload" ) // post somefile
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55 var cnttime = flag.Bool( "t", false, "measure work time" ) // count time
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56 var printver = flag.Bool( "v", false, "print version" ) // print version
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57 flag.Parse()
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58
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4
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59 // print version
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60 if *printver {
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8
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61 fmt.Println( "client [ ver", version, "]" )
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4
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62 os.Exit( 0 )
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63 }
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64
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8
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65 st := time.Now() // start time
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66
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4
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67 // upload
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68 if *upload {
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69 if flag.NArg() != 2 {
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12
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70 fmt.Fprint( os.Stderr, "bad host or file.\n" )
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4
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71 os.Exit( 1 )
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72 }
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73 host := flag.Args()[0]
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74 file := flag.Args()[1]
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75 fmt.Printf( "Sending %s...", file )
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76 if message, err := post_file( host, "/upload/", file ); err != nil {
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77 log.Fatal( err )
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78 } else {
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79 fmt.Println( string( message ) )
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80 }
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81
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82 if *cnttime {
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83 fmt.Println( "---", time.Now().Sub( st ) )
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84 }
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85 os.Exit( 0 )
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86 }
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87
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88 // management db
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89 if *managedb {
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90 if flag.NArg() != 2 {
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91 fmt.Fprint( os.Stderr, "bad remote host.\n" )
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92 os.Exit( 1 )
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93 }
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94 host := flag.Args()[0]
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95 file := flag.Args()[1]
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96 fmt.Print( "Management DB..." )
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97 if _, err := post_file( host, "/mngdb/", file ); err != nil {
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4
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98 log.Fatal( err )
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99 }
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100 if *cnttime {
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101 fmt.Println( "---", time.Now().Sub( st ) )
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102 }
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4
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103 os.Exit( 0 )
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104 }
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105
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106 // software upgrade
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107 if *upgrade {
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108 if flag.NArg() != 1 {
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12
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109 fmt.Fprint( os.Stderr, "bad remote host.\n" )
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110 os.Exit( 1 )
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111 }
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112 host := flag.Args()[0]
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113
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114 fmt.Print( "Getting client.exe..." )
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115 if _, err := get_file( host, "/release/client.exe", "", "client1.exe" ); err != nil {
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116 log.Fatal( err )
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117 }
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118 fmt.Print( "Getting crypto.exe..." )
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119 if _, err := get_file( host, "/release/crypto.exe", "", "crypto.exe" ); err != nil {
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4
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120 log.Fatal( err )
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121 }
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122 fmt.Print( "Getting grsearcher.exe..." )
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123 if _, err := get_file( host, "/release/grsearcher.exe", "", "grsearcher.exe" ); err != nil {
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124 log.Fatal( err )
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125 }
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126 fmt.Print( "Getting manual.pdf..." )
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127 if _, err := get_file( host, "/release/manual.pdf", "", "manual.pdf" ); err != nil {
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128 log.Fatal( err )
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129 }
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130
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8
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131 if *cnttime {
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132 fmt.Println( "---", time.Now().Sub( st ) )
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133 }
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134 os.Exit( 0 )
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135 }
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136
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4
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137 // database update
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138 if *update {
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139 if flag.NArg() != 1 {
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140 fmt.Fprint( os.Stderr, "bad remote host.\n" )
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141 os.Exit( 1 )
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142 }
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143 fmt.Print( "Getting auth.db..." )
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144 host := flag.Args()[0]
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145 if _, err := get_file( host, "/db/auth.db", "", "auth.db" ); err != nil {
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146 log.Fatal( err )
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147 }
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148 fmt.Print( "Getting hhs.db..." )
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149 if _, err := get_file( host, "/db/hhs.db", "", "hhs.db" ); err != nil {
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150 log.Fatal( err )
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151 }
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152
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153 if time.Now().Day() % 14 == 0 {
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154 fmt.Print( "Getting index.db..." )
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155 if _, err := get_file( host, "/db/index.db", "", "index.db" ); err != nil {
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156 log.Fatal( err )
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157 }
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158 }
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159
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160 if *cnttime {
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161 fmt.Println( "---", time.Now().Sub( st ) )
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162 }
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163 os.Exit( 0 )
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164 }
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165
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4
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166 // main : image download
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167 if flag.NArg() != 3 {
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168 fmt.Fprint( os.Stderr, "bad argument.\n" )
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169 os.Exit( 1 )
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170 }
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171
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172 host := flag.Args()[0]
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173 h := flag.Args()[1]
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174 d := flag.Args()[2]
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175
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176 r, err := regexp.Compile( "^0[1238][0-9]{8}$" )
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177 if err != nil {
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178 log.Fatal( err )
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179 }
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180 m := r.FindString( h )
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181 if len( m ) == 0 {
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182 fmt.Fprint( os.Stderr, "bad hno.\n" )
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183 os.Exit( 1 )
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184 }
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185
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186 v := url.Values{}
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187 v.Set( "q", "12345" )
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188 q := ""
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189
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190 rfile := "/images/" + d + "/" + h + ".tgz"
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191 fmt.Print( "Getting ", rfile )
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192 b, err := get_file( host, rfile, q, "" )
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193 if err != nil {
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194 log.Fatal( err )
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195 }
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196 if err := untgz_images( d, b ); err != nil {
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197 log.Fatal( err )
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198 }
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199
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200 if *cnttime {
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201 fmt.Println( "---", time.Now().Sub( st ) )
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202 }
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203 }
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204
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205 /* Subroutines */
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206 // HTTP POST
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207 func post_file( host, path, file string ) ( []byte, error ) {
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208 f, err := os.Open( file )
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209 if err != nil {
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210 return nil, err
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211 }
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212 defer f.Close()
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213
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214 res, err := http.Post( "http://" + host + path + file, "binary/octet-stream", f )
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215 if err != nil {
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216 return nil, err
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217 }
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218 defer res.Body.Close()
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219 return ioutil.ReadAll( res.Body )
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220 }
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221
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222 // HTTP GET
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223 func get_file( host, rfile, query, lfile string ) ( []byte, error ) {
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224 res, err := http.Get( "http://" + host + "/" + rfile )
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225 if err != nil {
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226 return nil, err
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227 }
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228 fmt.Println( "\t[" + res.Status + "]" )
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229 if res.StatusCode == http.StatusNotFound {
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230 return nil, nil
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231 }
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232 b, err := ioutil.ReadAll( res.Body )
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233 res.Body.Close()
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234 if err != nil {
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235 return nil, err
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236 }
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237 if lfile != "" {
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238 if err := ioutil.WriteFile( lfile, b, 0644 ); err != nil {
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239 return nil, err
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240 }
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241 return nil, nil
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242 }
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243 return b, nil
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244 }
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245
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246 // Un-Tar/Gzip
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247 func untgz_images( d string, b []byte ) error {
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248 br := bytes.NewReader( b )
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249 zr, err := gzip.NewReader( br )
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250 if err != nil {
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251 return err
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252 }
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253
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254 tr := tar.NewReader( zr )
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255 for i := 1; ; i++ {
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256 //hdr, err := tr.Next()
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257 _, err := tr.Next()
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258 if err == io.EOF {
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259 break // End of archive
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260 }
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261 if err != nil {
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262 return err
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263 }
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264 //f, _ := os.Create( hdr.Name )
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3
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265 fn := fmt.Sprintf( "%s_%d", d, i ) // 1.0a
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266
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267 fn = filepath.Join( ".cache", fn )
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268 f, _ := os.Create( fn )
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269 if _, err := io.Copy( f, tr ); err != nil {
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270 return err
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271 }
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272 f.Close()
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273 }
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274
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275 if err := zr.Close(); err != nil {
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276 return err
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277 }
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278 return nil
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279 }
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280
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