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45
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1 /*
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49
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2 Last Change: 2020-04-23 木 14:43:54.
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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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49
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54 pwdb string
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48
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55 server_root string
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45
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56 hhash map[string]hhs
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57 iymdhash map[string]string
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58 iyhash map[string]string
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59 )
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60
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61 func init() {
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62 port = ":3910"
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63 hhsdb = "hhsdb.csv"
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48
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64 indexdb = "index.csv"
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49
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65 pwdb = "passwd"
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45
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66 }
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67
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68 func main() {
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48
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69 server_root = filepath.Dir(os.Args[0])
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70 hhsdb = filepath.Join(server_root, hhsdb)
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71 indexdb = filepath.Join(server_root, indexdb)
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49
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72 pwdb = filepath.Join(server_root, pwdb)
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45
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73
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74 // setting IP-Address & Port
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75 addrs, err := net.InterfaceAddrs()
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76 if err != nil {
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77 log.Fatal(err)
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78 }
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79 for _, a := range addrs {
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80 if ipnet, ok := a.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
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81 if strings.HasPrefix(ipnet.IP.String(), "169.254") {
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82 continue
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83 }
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84 if ipnet.IP.To4() != nil {
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85 server = ipnet.IP.String() + port
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86 }
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87 }
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88 }
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89
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90 if err := loadDB(); err != nil {
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91 log.Fatal(err)
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92 }
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93
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94 // Http-Handler
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48
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95 http.HandleFunc("/h/", hhs_handler) // Get /h/0800012345 -> name:addr:20200101#20210701#...
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96 http.HandleFunc("/hn/", hhsnm_handler) // Get /h/0800012345:0800098765:... -> name1:name2:...
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97 http.HandleFunc("/ht/", hhstm_handler) // Get /ht/ -> 2020-03-14 12:34 (2020-04-02)
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98 http.HandleFunc("/ha/", hhsdb_handler) // Get /ha/ -> hhsdb.csv for Mover
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99 http.HandleFunc("/i/", image_handler) // Get /i/20200110/0800012345.tgz
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100 http.HandleFunc("/r/", recent_handler) // Get /r/0800012345:0800067890:0800099999:... -> 0800012345,name1,20200101:0800067890,name2,20210405:...
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101 http.HandleFunc("/d/", index_handler) // Get /d/20xx -> 20xx0401:20xx0408:... , /d/20xx0401 -> 0800012345:0800098765:...
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102 http.HandleFunc("/dt/", indextm_handler) // Get /dt/ -> 2020-03-14 12:34 (2020-04-02)
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103 http.HandleFunc("/ud/", upidx_handler) // Get /ud/20200402
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104 http.HandleFunc("/u/", uphhsdb_handler) // POST /u/
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105 http.HandleFunc("/ui/", upimage_handler) // POST /ui/20200401/0800012345.tgz
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106 http.HandleFunc("/ci/", climage_handler) // Get /ci/20200402
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107 http.HandleFunc("/pw/", pw_handler) // Get /pw/ -> id1:pw1:id2:pw2:...
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108
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109 log.Fatal(http.ListenAndServe(server, nil))
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110 }
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111
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48
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112 /** FUNCTIONS **/
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113 func loadDB() error {
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114 hhash = make(map[string]hhs)
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115 iymdhash = make(map[string]string)
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116 iyhash = make(map[string]string)
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117
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118 b, err := ioutil.ReadFile(hhsdb)
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119 if err != nil {
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120 return err
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121 }
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122 r := csv.NewReader(strings.NewReader(string(b)))
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123 for {
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124 record, err := r.Read()
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125 if err == io.EOF {
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126 break
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127 }
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128 if err != nil {
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129 return err
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130 }
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131 h := hhs{
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48
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132 No: record[0], //Birth: record[1],
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133 Name: record[2], //Kana: record[3],
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134 Addr: record[4], //Sex: record[5],
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45
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135 }
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136 hhash[record[0]] = h
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137 }
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138
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139 b, err = ioutil.ReadFile(indexdb)
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140 if err != nil {
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141 return err
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142 }
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143 r = csv.NewReader(strings.NewReader(string(b)))
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144 for {
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145 record, err := r.Read()
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146 if err == io.EOF {
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147 break
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148 }
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149 if err != nil {
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150 return err
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151 }
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152 h := hhash[record[0]]
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153 ccn := h.Ccn
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154 h.Ccn = append(ccn, record[1])
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155 hhash[record[0]] = h
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156
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157 iymdhash[record[1]] += ":" + record[0]
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158 }
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159
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160 for ymd, _ := range iymdhash {
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161 y := ymd[0:4]
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162 if ymd[4:6] == "01" || ymd[4:6] == "02" || ymd[4:6] == "03" {
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163 yy, _ := strconv.Atoi(y)
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164 y = fmt.Sprintf("%d", yy - 1)
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165 }
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166 iyhash[y] += ":" + ymd
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167 }
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168
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169 return nil
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170 }
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171
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48
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172 /** HTTP HANDLERS **/
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46
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173 /* Get /h/0800012345 -> name:addr:20200101#20210701#... */
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45
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174 func hhs_handler(w http.ResponseWriter, r *http.Request) {
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175 hno := r.URL.Path[len("/h/"):]
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176 s := ""
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177 if h, ok := hhash[hno]; ok {
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178 s = h.GetData()
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179 }
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180 w.Write([]byte(s))
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181 }
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182
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46
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183 /* Get /hn/0800012345:0800098765:... -> name1:name2:... */
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184 func hhsnm_handler(w http.ResponseWriter, r *http.Request) {
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185 hnolist := strings.Split(r.URL.Path[len("/hn/"):], ":")
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186 var buf []string
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187 for _, hno := range hnolist {
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188 var n string
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189 if h, ok := hhash[hno]; ok {
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190 n = h.Name
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191 }
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192 buf = append(buf, n)
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193 }
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194 w.Write([]byte(strings.Join(buf, ":")))
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195 }
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196
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48
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197 /* Get /ht/ -> 2020-03-14 12:34 (2020-04-02) */
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46
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198 func hhstm_handler(w http.ResponseWriter, r *http.Request) {
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199 date := ""
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47
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200 if fi, err := os.Stat(hhsdb); err == nil {
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201 t := fi.ModTime()
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202 latest := "0000000001"
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203
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204 f, _ := os.Open(hhsdb)
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205 defer f.Close()
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206 input := bufio.NewScanner(f)
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207 for input.Scan() {
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208 s := strings.Split(input.Text(), ",")
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209 if (strings.Compare(s[0], latest) > 0) {
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210 latest = s[0]
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211 }
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212 }
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213
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214 latest = "(" + latest + ")"
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215 date = t.Format("2006-01-02 15:04 ") + latest
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47
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216 }
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217 w.Write([]byte(date))
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218 }
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219
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220 /* Get /ha/ -> hhsdb.csv for Mover */
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221 func hhsdb_handler(w http.ResponseWriter, r *http.Request) {
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222 b, _ := ioutil.ReadFile(hhsdb)
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223 w.Write(b)
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224 }
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225
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226 /* Get /i/20200110/0800012345.tgz */
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227 func image_handler(w http.ResponseWriter, r *http.Request) {
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228 file := r.URL.Path[len("/i/"):]
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229 file = filepath.Join(server_root, "images", filepath.FromSlash(file))
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230
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231 f, err := os.Open(file)
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232 if err != nil {
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233 http.NotFound(w, r)
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234 return
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235 }
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236 defer f.Close()
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237
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238 fi, _ := f.Stat()
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239
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240 w.Header().Set("Content-Type", "rsearcher/octet-stream")
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241 w.Header().Set("Content-Length", fmt.Sprintf("%d", fi.Size()))
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242 io.Copy(w, f)
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243 }
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244
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46
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245 /* Get /r/0800012345:0800067890:0800099999:... -> 0800012345,name1,20200101:0800067890,name2,20210405:... */
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45
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246 func recent_handler(w http.ResponseWriter, r *http.Request) {
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247 hnolist := strings.Split(r.URL.Path[len("/r/"):], ":")
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248 var buf []string
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249 for _, hno := range hnolist {
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250 s := hno + ",,"
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251 if h, ok := hhash[hno]; ok {
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252 s = h.GetRecent()
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253 if h.No == "" {
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254 s = hno + s
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255 }
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256 }
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257 buf = append(buf, s)
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258 }
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259 w.Write([]byte(strings.Join(buf, ":")))
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260 }
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261
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48
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262 /* Get /d/20xx -> 20xx0401:20xx0408:... , /d/20xx0401 -> 0800012345:0800098765:... */
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263 func index_handler(w http.ResponseWriter, r *http.Request) {
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264 var buf string
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265 ymd := r.URL.Path[len("/d/"):]
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266 if len(ymd) == 4 {
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267 buf = iyhash[ymd]
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268 }
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269 if len(ymd) == 8 {
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270 buf = iymdhash[ymd]
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271 }
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272 w.Write([]byte(buf[1:]))
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273 }
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274
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47
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275 /* POST /u/ */
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45
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276 func uphhsdb_handler(w http.ResponseWriter, r *http.Request) {
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277 if r.Method != http.MethodPost {
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278 http.NotFound(w, r)
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279 return
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280 }
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281
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282 file := filepath.Join(server_root, hhsdb)
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283 f, err := os.Create(file)
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284 if err != nil {
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285 http.NotFound(w, r)
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286 return
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287 }
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47
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288 defer f.Close()
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289
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290 b, err := ioutil.ReadAll(r.Body)
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291 r.Body.Close()
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292 if err != nil {
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293 http.NotFound(w, r)
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294 return
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295 }
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296
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297 br := bytes.NewReader(b)
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298 zr, err := gzip.NewReader(br)
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299 if err != nil {
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300 http.NotFound(w, r)
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301 return
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302 }
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303 n, err := io.Copy(f, zr)
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304
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305 if err := zr.Close(); err != nil {
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306 http.NotFound(w, r)
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307 return
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308 }
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309
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310 w.Write([]byte(fmt.Sprintf("%d bytes are recieved.\n", n)))
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311
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312 loadDB();
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313 }
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314
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315 /* POST /ui/20200401/0800012345.tgz */
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316 func upimage_handler(w http.ResponseWriter, r *http.Request) {
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317 if r.Method != http.MethodPost {
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318 http.NotFound(w, r)
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319 return
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320 }
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321
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322 uri := r.URL.Path[len("/ui/"):]
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323 ymd := uri[0:8]
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324 tgz := uri[9:]
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325
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326 dir := filepath.Join(server_root, "images", ymd)
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327
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328 if _, err := os.Stat(dir); os.IsNotExist(err) {
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329 os.Mkdir(dir, 0644)
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330 }
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331
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332 file := filepath.Join(server_root, "images", ymd, tgz)
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333 f, err := os.Create(file)
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334 if err != nil {
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335 http.NotFound(w, r)
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336 return
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337 }
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338 defer f.Close()
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339
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45
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340 n, err := io.Copy(f, r.Body)
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341 if err != nil {
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342 http.NotFound(w, r)
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343 return
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344 }
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345 w.Write([]byte(fmt.Sprintf("%d bytes are recieved.\n", n)))
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346 }
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347
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48
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348 /* Get /dt/ -> 2020-03-14 12:34 (2020-04-02) */
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349 func indextm_handler(w http.ResponseWriter, r *http.Request) {
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350 date := ""
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351 if fi, err := os.Stat(indexdb); err == nil {
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352 t := fi.ModTime()
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353 latest := "20200101"
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354
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355 f, _ := os.Open(indexdb)
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356 defer f.Close()
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357 input := bufio.NewScanner(f)
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358 for input.Scan() {
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359 s := strings.Split(input.Text(), ",")
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360 if (strings.Compare(s[1], latest) > 0) {
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361 latest = s[1]
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362 }
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363 }
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364
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365 latest = "(" + latest[0:4] + "-" + latest[4:6] + "-" + latest[6:] + ")"
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366 date = t.Format("2006-01-02 15:04 ") + latest
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367 }
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368 w.Write([]byte(date))
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369 }
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370
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371 /* Get /ud/20200402 */
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372 func upidx_handler(w http.ResponseWriter, r *http.Request) {
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373 date := r.URL.Path[len("/ud/"):]
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374 var buf []string
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375
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376 f, _ := os.Open(indexdb)
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377 input := bufio.NewScanner(f)
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378 for input.Scan() {
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379 if !strings.HasSuffix(input.Text(), date) {
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380 buf = append(buf, input.Text())
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381 }
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382 }
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383 f.Close()
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384
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385 imgdir := filepath.Join(server_root, "images", date)
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386 files, _ := ioutil.ReadDir(imgdir)
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387 for _, file := range files {
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388 i := file.Name()[0:10] + "," + date
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389 buf = append(buf, i)
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390 }
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391 sort.Sort(sort.Reverse(sort.StringSlice(buf)))
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392
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393 os.Remove(indexdb)
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394
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395 s := strings.Join(buf, "\n")
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396 ioutil.WriteFile(indexdb, []byte(s), 0644)
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397
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398 loadDB();
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399 w.Write([]byte("update index done."))
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400 }
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401
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402 /* Get /ci/20200402 */
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403 func climage_handler(w http.ResponseWriter, r *http.Request) {
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404 date := r.URL.Path[len("/ci/"):]
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405 dir := filepath.Join(server_root, "images", date)
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406 os.RemoveAll(dir)
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407 }
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408
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49
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409 /* Get /pw/ -> id1:pw1:id2:pw2:... */
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410 func pw_handler(w http.ResponseWriter, r *http.Request) {
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411 b, err := ioutil.ReadFile(pwdb)
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412 if err != nil {
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413 http.NotFound(w, r)
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414 return
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415 }
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416 w.Write([]byte(strings.ReplaceAll(string(b), "\n", ":")))
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417 }
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418
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