1 files changed, 82 insertions, 0 deletions
diff --git a/iana_whois.go b/iana_whois.go
new file mode 100644
index 0000000..ed80c6e
--- /dev/null
+++ b/iana_whois.go
@@ -0,0 +1,82 @@
+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
+}