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package main
import (
"log"
"net"
"net/http"
"net/url"
"time"
"golang.org/x/net/html"
"golang.org/x/net/proxy"
)
func IANAWhoisGet(query string, appConfig *TomlConfig) string {
var httpClient http.Client
var dialer proxy.Dialer
if appConfig.GeneralProxy != "" {
proxyURL, err := url.Parse(appConfig.GeneralProxy)
if err != nil {
log.Fatal(err.Error())
return ""
}
dialer, err = proxy.FromURL(proxyURL, &net.Dialer{Timeout: time.Duration(appConfig.RequestTimeout) * time.Second})
if err != nil {
log.Fatal(err.Error())
return ""
}
httpClient = http.Client{
Transport: &http.Transport{
Dial: dialer.Dial,
},
}
}
resp, err := httpClient.Get("https://www.iana.org/whois?q=" + query)
if err != nil {
log.Println(err)
return ""
}
defer resp.Body.Close()
doc, err := html.Parse(resp.Body)
if err != nil {
log.Println(err)
return ""
}
var getContent func(*html.Node) string
getContent = func(n *html.Node) string {
if n.Type == html.ElementNode && n.Data == "pre" {
var content string
for c := n.FirstChild; c != nil; c = c.NextSibling {
if c.Type == html.TextNode {
content += c.Data
}
}
return content
}
for c := n.FirstChild; c != nil; c = c.NextSibling {
result := getContent(c)
if result != "" {
return result
}
}
return ""
}
preContent := getContent(doc)
log.Println(preContent)
return preContent
}
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