Initial commit
This commit is contained in:
Lan Tian
243
frontend/template.go
Normal file
243
frontend/template.go
Normal file
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package main
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import (
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"net"
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"net/http"
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"strings"
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"strconv"
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)
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func templateHeader(w http.ResponseWriter, r *http.Request, title string) {
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path := r.URL.Path
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if len(strings.Split(r.URL.Path, "/")) < 4 {
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path = "/ipv4/summary/" + strings.Join(settingServers[:], "+") + "/"
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}
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split := strings.Split(path, "/")
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split[1] = "ipv4"
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ipv4_url := strings.Join(split, "/")
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split = strings.Split(path, "/")
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split[1] = "ipv6"
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ipv6_url := strings.Join(split, "/")
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split = strings.Split(path, "/")
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split[3] = strings.Join(settingServers[:], "+")
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all_url := strings.Join(split, "/")
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split = strings.Split(path, "/")
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var serverAllActive string
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if split[3] == strings.Join(settingServers[:], "+") {
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serverAllActive = " active"
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}
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var serverNavigation string = `
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<li class="nav-item">
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<a class="nav-link" href="` + ipv4_url + `"> IPv4 </a>
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</li>
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<li class="nav-item">
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<a class="nav-link" href="` + ipv6_url + `"> IPv6 </a>
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</li>
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<span class="navbar-text">|</span>
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<li class="nav-item">
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<a class="nav-link` + serverAllActive + `" href="` + all_url + `"> All Servers </a>
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</li>
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`
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for _, server := range settingServers {
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split = strings.Split(path, "/")
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var serverActive string
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if split[3] == server {
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serverActive = " active"
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}
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split[3] = server
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server_url := strings.Join(split, "/")
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serverNavigation += `
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<li class="nav-item">
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<a class="nav-link` + serverActive + `" href="` + server_url + `">` + server + `</a>
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</li>
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`
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}
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var options string
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split = strings.Split(path, "/")
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if split[2] == "summary" {
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options += `<option value="summary" selected>show protocol</option>`
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} else {
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options += `<option value="summary">show protocol</option>`
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}
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if split[2] == "route" {
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options += `<option value="route" selected>show route for ...</option>`
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} else {
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options += `<option value="route">show route for ...</option>`
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}
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if split[2] == "route_all" {
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options += `<option value="route_all" selected>show route for ... all</option>`
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} else {
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options += `<option value="route_all">show route for ... all</option>`
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}
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if split[2] == "whois" {
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options += `<option value="whois" selected>whois ...</option>`
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} else {
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options += `<option value="whois">whois ...</option>`
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}
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var target string
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if len(split) >= 5 {
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target = split[4]
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}
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w.Write([]byte(`
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<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-CN" lang="zh-CN" class="no-js">
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<head>
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<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
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<meta http-equiv="X-UA-Compatible" content="IE=edge"/>
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<meta name="viewport" content="width=device-width,initial-scale=1,shrink-to-fit=no"/>
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<meta name="renderer" content="webkit"/>
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<title>` + title + `</title>
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<link href="https://cdn.jsdelivr.net/npm/bootstrap@4.2.1/dist/css/bootstrap.min.css" rel="stylesheet">
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</head>
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<body>
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<nav class="navbar navbar-expand-lg navbar-light bg-light">
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<a class="navbar-brand" href="/">Bird-lg Go</a>
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<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
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<span class="navbar-toggler-icon"></span>
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</button>
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<div class="collapse navbar-collapse" id="navbarSupportedContent">
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<ul class="navbar-nav mr-auto">` + serverNavigation + `</ul>
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<form class="form-inline" action="/redir" method="GET">
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<div class="input-group">
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<select name="action" class="form-control">` + options + `</select>
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<input name="proto" class="d-none" value="` + split[1] + `">
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<input name="server" class="d-none" value="` + split[3] + `">
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<input name="target" class="form-control" placeholder="Target" aria-label="Target" value="` + target + `">
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<div class="input-group-append">
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<button class="btn btn-outline-success" type="submit">»</button>
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</div>
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</div>
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</form>
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</div>
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</nav>
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<div class="container">
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`))
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}
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func templateFooter(w http.ResponseWriter) {
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w.Write([]byte(`
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</div>
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<!--<script data-no-instant src="https://cdn.jsdelivr.net/npm/jquery@3.3.1/dist/jquery.min.js"></script>
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<script data-no-instant src="https://cdn.jsdelivr.net/npm/bootstrap@4.2.1/dist/js/bootstrap.bundle.min.js"></script>-->
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</body>
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</html>
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`))
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}
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func isIP(s string) bool {
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return nil != net.ParseIP(s)
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}
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func isNumber(s string) bool {
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_, err := strconv.Atoi(s)
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return nil == err
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}
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func smartWriter(w http.ResponseWriter, s string) {
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w.Write([]byte("<pre>"))
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for _, line := range strings.Split(s, "\n") {
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var tabPending bool = false
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var isFirstWord bool = true
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var isASes bool = false
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for _, word := range strings.Split(line, " ") {
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if len(word) == 0 {
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tabPending = true
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} else {
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if isFirstWord {
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isFirstWord = false
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} else if tabPending {
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w.Write([]byte("\t"))
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tabPending = false
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} else {
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w.Write([]byte(" "))
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}
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if isIP(word) {
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w.Write([]byte("<a href=\"/whois/" + word + "\">" + word + "</a>"))
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} else if len(strings.Split(word, "%")) == 2 && isIP(strings.Split(word, "%")[0]) {
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w.Write([]byte("<a href=\"/whois/" + strings.Split(word, "%")[0] + "\">" + strings.Split(word, "%")[0] + "</a>"))
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w.Write([]byte("%" + strings.Split(word, "%")[1]))
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} else if len(strings.Split(word, "/")) == 2 && isIP(strings.Split(word, "/")[0]) {
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w.Write([]byte("<a href=\"/whois/" + strings.Split(word, "/")[0] + "\">" + strings.Split(word, "/")[0] + "</a>"))
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w.Write([]byte("/" + strings.Split(word, "/")[1]))
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} else if word == "AS:" || word == "\tBGP.as_path:" {
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isASes = true
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w.Write([]byte(word))
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} else if isASes && isNumber(word) {
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w.Write([]byte("<a href=\"/whois/AS" + word + "\">" + word + "</a>"))
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} else {
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w.Write([]byte(word))
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}
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}
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}
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w.Write([]byte("\n"))
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}
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w.Write([]byte("</pre>"))
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}
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func summaryTable(w http.ResponseWriter, isIPv6 bool, data string, serverName string) {
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w.Write([]byte("<table class=\"table table-striped table-bordered table-sm\">"))
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for lineId, line := range strings.Split(data, "\n") {
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var tabPending bool = false
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var tableCells int = 0
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var row [6]string
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for i, word := range strings.Split(line, " ") {
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if len(word) == 0 {
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tabPending = true
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} else {
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if i == 0 {
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tabPending = true
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} else if tabPending {
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if tableCells < 5 {
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tableCells++
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} else {
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row[tableCells] += " "
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}
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tabPending = false
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} else {
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row[tableCells] += " "
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}
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row[tableCells] += word
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}
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}
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if len(row[0]) == 0 {
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continue
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}
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if lineId == 0 {
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w.Write([]byte("<thead>"))
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for i := 0; i < 6; i++ {
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w.Write([]byte("<th scope=\"col\">" + row[i] + "</th>"))
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}
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w.Write([]byte("</thead><tbody>"))
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} else {
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if row[3] == "up" {
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w.Write([]byte("<tr>"))
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} else if lineId != 0 {
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w.Write([]byte("<tr class=\"table-danger\">"))
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}
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if isIPv6 {
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w.Write([]byte("<td><a href=\"/ipv6/detail/" + serverName + "/" + row[0] + "\">" + row[0] + "</a></td>"))
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} else {
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w.Write([]byte("<td><a href=\"/ipv4/detail/" + serverName + "/" + row[0] + "\">" + row[0] + "</a></td>"))
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}
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for i := 1; i < 6; i++ {
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w.Write([]byte("<td>" + row[i] + "</td>"))
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}
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w.Write([]byte("</tr>"))
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}
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}
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w.Write([]byte("</tbody></table>"))
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}
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