package main import ( "net" "net/http" "strings" "strconv" ) func templateHeader(w http.ResponseWriter, r *http.Request, title string) { path := r.URL.Path if len(strings.Split(r.URL.Path, "/")) < 4 { path = "/ipv4/summary/" + strings.Join(settingServers[:], "+") + "/" } split := strings.Split(path, "/") split[1] = "ipv4" ipv4_url := strings.Join(split, "/") split = strings.Split(path, "/") split[1] = "ipv6" ipv6_url := strings.Join(split, "/") split = strings.Split(path, "/") split[3] = strings.Join(settingServers[:], "+") all_url := strings.Join(split, "/") split = strings.Split(path, "/") var serverAllActive string if split[3] == strings.Join(settingServers[:], "+") { serverAllActive = " active" } var serverNavigation string = `
  • IPv4
  • IPv6
    • |
  • All Servers
    • ` for _, server := range settingServers { split = strings.Split(path, "/") var serverActive string if split[3] == server { serverActive = " active" } split[3] = server server_url := strings.Join(split, "/") serverNavigation += `
  • ` + server + `
    • ` } var options string split = strings.Split(path, "/") if split[2] == "summary" { options += `` } else { options += `` } if split[2] == "route" { options += `` } else { options += `` } if split[2] == "route_all" { options += `` } else { options += `` } if split[2] == "whois" { options += `` } else { options += `` } var target string if len(split) >= 5 { target = split[4] } w.Write([]byte(` ` + title + `
    `)) } func templateFooter(w http.ResponseWriter) { w.Write([]byte(`
    `)) } func isIP(s string) bool { return nil != net.ParseIP(s) } func isNumber(s string) bool { _, err := strconv.Atoi(s) return nil == err } func smartWriter(w http.ResponseWriter, s string) { w.Write([]byte("
    "))
    for _, line := range strings.Split(s, "\n") {
        var tabPending bool = false
        var isFirstWord bool = true
        var isASes bool = false
        for _, word := range strings.Split(line, " ") {
            if len(word) == 0 {
                tabPending = true
            } else {
                if isFirstWord {
                    isFirstWord = false
                } else if tabPending {
                    w.Write([]byte("\t"))
                    tabPending = false
                } else {
                    w.Write([]byte(" "))
                }

                if isIP(word) {
                    w.Write([]byte("" + word + ""))
                } else if len(strings.Split(word, "%")) == 2 && isIP(strings.Split(word, "%")[0]) {
                    w.Write([]byte("" + strings.Split(word, "%")[0] + ""))
                    w.Write([]byte("%" + strings.Split(word, "%")[1]))
                } else if len(strings.Split(word, "/")) == 2 && isIP(strings.Split(word, "/")[0]) {
                    w.Write([]byte("" + strings.Split(word, "/")[0] + ""))
                    w.Write([]byte("/" + strings.Split(word, "/")[1]))
                } else if word == "AS:" || word == "\tBGP.as_path:" {
                    isASes = true
                    w.Write([]byte(word))
                } else if isASes && isNumber(word) {
                    w.Write([]byte("" + word + ""))
                } else {
                    w.Write([]byte(word))
                }
            }
        }
        w.Write([]byte("\n"))
    }
    w.Write([]byte("
    ")) } func summaryTable(w http.ResponseWriter, isIPv6 bool, data string, serverName string) { w.Write([]byte("")) for lineId, line := range strings.Split(data, "\n") { var tabPending bool = false var tableCells int = 0 var row [6]string for i, word := range strings.Split(line, " ") { if len(word) == 0 { tabPending = true } else { if i == 0 { tabPending = true } else if tabPending { if tableCells < 5 { tableCells++ } else { row[tableCells] += " " } tabPending = false } else { row[tableCells] += " " } row[tableCells] += word } } if len(row[0]) == 0 { continue } if lineId == 0 { w.Write([]byte("")) for i := 0; i < 6; i++ { w.Write([]byte("")) } w.Write([]byte("")) } else { if row[3] == "up" { w.Write([]byte("")) } else if lineId != 0 { w.Write([]byte("")) } if isIPv6 { w.Write([]byte("")) } else { w.Write([]byte("")) } for i := 1; i < 6; i++ { w.Write([]byte("")) } w.Write([]byte("")) } } w.Write([]byte("
    " + row[i] + "
    " + row[0] + "" + row[0] + "" + row[i] + "
    ")) }