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45
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1 /*
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48
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2 Last Change: 2020-04-22 水 17:23:42.
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45
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3 */
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4
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5 package main
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6
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7 import (
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48
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8 "bufio"
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47
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9 "bytes"
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10 "compress/gzip"
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45
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11 "encoding/csv"
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12 "fmt"
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13 "io"
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14 "io/ioutil"
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15 "log"
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16 "net"
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17 "net/http"
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18 "os"
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19 "path/filepath"
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48
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20 "sort"
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45
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21 "strconv"
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22 "strings"
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23 )
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24
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25 type hhs struct {
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26 No string
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27 //Birth string
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28 Name string
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29 //Kana string
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30 Addr string
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31 //Sex string
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32 Ccn []string
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33 }
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34
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35 func (h *hhs) GetData() string {
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36 s := strings.Join(h.Ccn, "#")
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37 s = strings.Join([]string{h.Name, h.Addr, s}, ":")
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38 return s
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39 }
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40
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41 func (h *hhs) GetRecent() string {
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42 ccn := ""
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43 if len(h.Ccn) > 0 {
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44 ccn = h.Ccn[0]
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45 }
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46 return strings.Join([]string{h.No, h.Name, ccn}, ",")
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47 }
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48
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49 var (
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50 server string
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51 port string
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52 hhsdb string
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48
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53 indexdb string
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54 server_root string
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45
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55 hhash map[string]hhs
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56 iymdhash map[string]string
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57 iyhash map[string]string
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58 )
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59
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60 func init() {
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61 port = ":3910"
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62 hhsdb = "hhsdb.csv"
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48
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63 indexdb = "index.csv"
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45
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64 }
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65
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66 func main() {
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48
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67 server_root = filepath.Dir(os.Args[0])
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68 hhsdb = filepath.Join(server_root, hhsdb)
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69 indexdb = filepath.Join(server_root, indexdb)
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45
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70
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71 // setting IP-Address & Port
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72 addrs, err := net.InterfaceAddrs()
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73 if err != nil {
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74 log.Fatal(err)
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75 }
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76 for _, a := range addrs {
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77 if ipnet, ok := a.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
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78 if strings.HasPrefix(ipnet.IP.String(), "169.254") {
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79 continue
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80 }
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81 if ipnet.IP.To4() != nil {
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82 server = ipnet.IP.String() + port
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83 }
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84 }
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85 }
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86
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87 if err := loadDB(); err != nil {
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88 log.Fatal(err)
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89 }
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90
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91 // Http-Handler
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48
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92 http.HandleFunc("/h/", hhs_handler) // Get /h/0800012345 -> name:addr:20200101#20210701#...
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93 http.HandleFunc("/hn/", hhsnm_handler) // Get /h/0800012345:0800098765:... -> name1:name2:...
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94 http.HandleFunc("/ht/", hhstm_handler) // Get /ht/ -> 2020-03-14 12:34 (2020-04-02)
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95 http.HandleFunc("/ha/", hhsdb_handler) // Get /ha/ -> hhsdb.csv for Mover
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96 http.HandleFunc("/i/", image_handler) // Get /i/20200110/0800012345.tgz
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97 http.HandleFunc("/r/", recent_handler) // Get /r/0800012345:0800067890:0800099999:... -> 0800012345,name1,20200101:0800067890,name2,20210405:...
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98 http.HandleFunc("/d/", index_handler) // Get /d/20xx -> 20xx0401:20xx0408:... , /d/20xx0401 -> 0800012345:0800098765:...
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99 http.HandleFunc("/dt/", indextm_handler) // Get /dt/ -> 2020-03-14 12:34 (2020-04-02)
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100 http.HandleFunc("/ud/", upidx_handler) // Get /ud/20200402
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101 http.HandleFunc("/u/", uphhsdb_handler) // POST /u/
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102 http.HandleFunc("/ui/", upimage_handler) // POST /ui/20200401/0800012345.tgz
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103 http.HandleFunc("/ci/", climage_handler) // Get /ci/20200402
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45
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104
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105 log.Fatal(http.ListenAndServe(server, nil))
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106 }
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107
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108 /** FUNCTIONS **/
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109 func loadDB() error {
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48
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110 hhash = make(map[string]hhs)
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111 iymdhash = make(map[string]string)
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112 iyhash = make(map[string]string)
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113
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114 b, err := ioutil.ReadFile(hhsdb)
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115 if err != nil {
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116 return err
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117 }
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118 r := csv.NewReader(strings.NewReader(string(b)))
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119 for {
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120 record, err := r.Read()
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121 if err == io.EOF {
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122 break
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123 }
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124 if err != nil {
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125 return err
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126 }
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127 h := hhs{
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48
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128 No: record[0], //Birth: record[1],
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129 Name: record[2], //Kana: record[3],
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130 Addr: record[4], //Sex: record[5],
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45
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131 }
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132 hhash[record[0]] = h
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133 }
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134
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135 b, err = ioutil.ReadFile(indexdb)
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45
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136 if err != nil {
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137 return err
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138 }
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139 r = csv.NewReader(strings.NewReader(string(b)))
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140 for {
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141 record, err := r.Read()
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142 if err == io.EOF {
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143 break
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144 }
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145 if err != nil {
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146 return err
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147 }
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148 h := hhash[record[0]]
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149 ccn := h.Ccn
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150 h.Ccn = append(ccn, record[1])
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151 hhash[record[0]] = h
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152
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153 iymdhash[record[1]] += ":" + record[0]
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154 }
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155
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156 for ymd, _ := range iymdhash {
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157 y := ymd[0:4]
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158 if ymd[4:6] == "01" || ymd[4:6] == "02" || ymd[4:6] == "03" {
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159 yy, _ := strconv.Atoi(y)
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160 y = fmt.Sprintf("%d", yy - 1)
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161 }
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162 iyhash[y] += ":" + ymd
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163 }
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164
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165 return nil
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166 }
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167
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48
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168 /** HTTP HANDLERS **/
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46
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169 /* Get /h/0800012345 -> name:addr:20200101#20210701#... */
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170 func hhs_handler(w http.ResponseWriter, r *http.Request) {
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171 hno := r.URL.Path[len("/h/"):]
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172 s := ""
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173 if h, ok := hhash[hno]; ok {
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174 s = h.GetData()
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175 }
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176 w.Write([]byte(s))
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177 }
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178
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46
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179 /* Get /hn/0800012345:0800098765:... -> name1:name2:... */
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180 func hhsnm_handler(w http.ResponseWriter, r *http.Request) {
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181 hnolist := strings.Split(r.URL.Path[len("/hn/"):], ":")
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182 var buf []string
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183 for _, hno := range hnolist {
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184 var n string
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185 if h, ok := hhash[hno]; ok {
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186 n = h.Name
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187 }
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188 buf = append(buf, n)
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189 }
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190 w.Write([]byte(strings.Join(buf, ":")))
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191 }
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192
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48
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193 /* Get /ht/ -> 2020-03-14 12:34 (2020-04-02) */
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46
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194 func hhstm_handler(w http.ResponseWriter, r *http.Request) {
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195 date := ""
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47
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196 if fi, err := os.Stat(hhsdb); err == nil {
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197 t := fi.ModTime()
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198 latest := "0000000001"
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199
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200 f, _ := os.Open(hhsdb)
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201 defer f.Close()
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202 input := bufio.NewScanner(f)
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203 for input.Scan() {
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204 s := strings.Split(input.Text(), ",")
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205 if (strings.Compare(s[0], latest) > 0) {
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206 latest = s[0]
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207 }
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208 }
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209
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210 latest = "(" + latest + ")"
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211 date = t.Format("2006-01-02 15:04 ") + latest
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47
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212 }
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213 w.Write([]byte(date))
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214 }
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215
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45
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216 /* Get /ha/ -> hhsdb.csv for Mover */
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217 func hhsdb_handler(w http.ResponseWriter, r *http.Request) {
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218 b, _ := ioutil.ReadFile(hhsdb)
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219 w.Write(b)
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220 }
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221
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222 /* Get /i/20200110/0800012345.tgz */
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223 func image_handler(w http.ResponseWriter, r *http.Request) {
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224 file := r.URL.Path[len("/i/"):]
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225 file = filepath.Join(server_root, "images", filepath.FromSlash(file))
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226
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227 f, err := os.Open(file)
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228 if err != nil {
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229 http.NotFound(w, r)
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230 return
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231 }
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232 defer f.Close()
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233
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234 fi, _ := f.Stat()
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235
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236 w.Header().Set("Content-Type", "rsearcher/octet-stream")
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237 w.Header().Set("Content-Length", fmt.Sprintf("%d", fi.Size()))
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238 io.Copy(w, f)
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239 }
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240
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46
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241 /* Get /r/0800012345:0800067890:0800099999:... -> 0800012345,name1,20200101:0800067890,name2,20210405:... */
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45
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242 func recent_handler(w http.ResponseWriter, r *http.Request) {
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243 hnolist := strings.Split(r.URL.Path[len("/r/"):], ":")
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244 var buf []string
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245 for _, hno := range hnolist {
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246 s := hno + ",,"
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247 if h, ok := hhash[hno]; ok {
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248 s = h.GetRecent()
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249 if h.No == "" {
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250 s = hno + s
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251 }
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252 }
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253 buf = append(buf, s)
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254 }
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255 w.Write([]byte(strings.Join(buf, ":")))
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256 }
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257
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48
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258 /* Get /d/20xx -> 20xx0401:20xx0408:... , /d/20xx0401 -> 0800012345:0800098765:... */
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45
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259 func index_handler(w http.ResponseWriter, r *http.Request) {
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260 var buf string
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261 ymd := r.URL.Path[len("/d/"):]
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262 if len(ymd) == 4 {
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263 buf = iyhash[ymd]
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264 }
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265 if len(ymd) == 8 {
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266 buf = iymdhash[ymd]
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267 }
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268 w.Write([]byte(buf[1:]))
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269 }
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270
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47
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271 /* POST /u/ */
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272 func uphhsdb_handler(w http.ResponseWriter, r *http.Request) {
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273 if r.Method != http.MethodPost {
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274 http.NotFound(w, r)
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275 return
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276 }
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277
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278 file := filepath.Join(server_root, hhsdb)
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279 f, err := os.Create(file)
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280 if err != nil {
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281 http.NotFound(w, r)
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282 return
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283 }
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47
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284 defer f.Close()
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285
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286 b, err := ioutil.ReadAll(r.Body)
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287 r.Body.Close()
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288 if err != nil {
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289 http.NotFound(w, r)
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290 return
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291 }
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292
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293 br := bytes.NewReader(b)
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294 zr, err := gzip.NewReader(br)
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295 if err != nil {
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296 http.NotFound(w, r)
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297 return
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298 }
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299 n, err := io.Copy(f, zr)
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300
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301 if err := zr.Close(); err != nil {
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302 http.NotFound(w, r)
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303 return
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304 }
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305
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306 w.Write([]byte(fmt.Sprintf("%d bytes are recieved.\n", n)))
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307
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308 loadDB();
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309 }
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310
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311 /* POST /ui/20200401/0800012345.tgz */
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312 func upimage_handler(w http.ResponseWriter, r *http.Request) {
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313 if r.Method != http.MethodPost {
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314 http.NotFound(w, r)
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315 return
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316 }
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317
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318 uri := r.URL.Path[len("/ui/"):]
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319 ymd := uri[0:8]
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320 tgz := uri[9:]
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321
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322 dir := filepath.Join(server_root, "images", ymd)
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323
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324 if _, err := os.Stat(dir); os.IsNotExist(err) {
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325 os.Mkdir(dir, 0644)
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326 }
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327
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328 file := filepath.Join(server_root, "images", ymd, tgz)
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329 f, err := os.Create(file)
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330 if err != nil {
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331 http.NotFound(w, r)
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332 return
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333 }
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334 defer f.Close()
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335
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45
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336 n, err := io.Copy(f, r.Body)
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337 if err != nil {
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338 http.NotFound(w, r)
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339 return
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340 }
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341 w.Write([]byte(fmt.Sprintf("%d bytes are recieved.\n", n)))
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342 }
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343
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48
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344 /* Get /dt/ -> 2020-03-14 12:34 (2020-04-02) */
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345 func indextm_handler(w http.ResponseWriter, r *http.Request) {
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346 date := ""
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347 if fi, err := os.Stat(indexdb); err == nil {
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348 t := fi.ModTime()
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349 latest := "20200101"
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350
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351 f, _ := os.Open(indexdb)
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352 defer f.Close()
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353 input := bufio.NewScanner(f)
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354 for input.Scan() {
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355 s := strings.Split(input.Text(), ",")
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356 if (strings.Compare(s[1], latest) > 0) {
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357 latest = s[1]
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358 }
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359 }
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360
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361 latest = "(" + latest[0:4] + "-" + latest[4:6] + "-" + latest[6:] + ")"
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362 date = t.Format("2006-01-02 15:04 ") + latest
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363 }
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364 w.Write([]byte(date))
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365 }
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366
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367 /* Get /ud/20200402 */
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368 func upidx_handler(w http.ResponseWriter, r *http.Request) {
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369 date := r.URL.Path[len("/ud/"):]
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370 var buf []string
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371
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372 f, _ := os.Open(indexdb)
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373 input := bufio.NewScanner(f)
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374 for input.Scan() {
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375 if !strings.HasSuffix(input.Text(), date) {
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376 buf = append(buf, input.Text())
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377 }
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378 }
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379 f.Close()
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380
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381 imgdir := filepath.Join(server_root, "images", date)
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382 files, _ := ioutil.ReadDir(imgdir)
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383 for _, file := range files {
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384 i := file.Name()[0:10] + "," + date
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385 buf = append(buf, i)
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386 }
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387 sort.Sort(sort.Reverse(sort.StringSlice(buf)))
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388
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389 os.Remove(indexdb)
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390
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391 s := strings.Join(buf, "\n")
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392 ioutil.WriteFile(indexdb, []byte(s), 0644)
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393
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394 loadDB();
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395 w.Write([]byte("update index done."))
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396 }
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397
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398 /* Get /ci/20200402 */
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399 func climage_handler(w http.ResponseWriter, r *http.Request) {
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400 date := r.URL.Path[len("/ci/"):]
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401 dir := filepath.Join(server_root, "images", date)
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402 os.RemoveAll(dir)
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403 }
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404
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