func dns()

in staging/explorer/explorer.go [80:122]
40 lines of code
1 McCabe index (conditional complexity)

func dns(w http.ResponseWriter, r *http.Request) {
	q := r.URL.Query().Get("q")
	// Note that the below is NOT safe from input attacks, but that's OK
	// because this is just for debugging.
	fmt.Fprintf(w, `<html><body>
<form action="/dns">
<input name="q" type="text" value="%v"></input>
<button type="submit">Lookup</button>
</form>
<br/><br/><pre>`, q)
	{
		res, err := net.LookupNS(q)
		spew.Fprintf(w, "LookupNS(%v):\nResult: %#v\nError: %v\n\n", q, res, err)
	}
	{
		res, err := net.LookupTXT(q)
		spew.Fprintf(w, "LookupTXT(%v):\nResult: %#v\nError: %v\n\n", q, res, err)
	}
	{
		cname, res, err := net.LookupSRV("", "", q)
		spew.Fprintf(w, `LookupSRV("", "", %v):
cname: %v
Result: %#v
Error: %v

`, q, cname, res, err)
	}
	{
		res, err := net.LookupHost(q)
		spew.Fprintf(w, "LookupHost(%v):\nResult: %#v\nError: %v\n\n", q, res, err)
	}
	{
		res, err := net.LookupIP(q)
		spew.Fprintf(w, "LookupIP(%v):\nResult: %#v\nError: %v\n\n", q, res, err)
	}
	{
		res, err := net.LookupMX(q)
		spew.Fprintf(w, "LookupMX(%v):\nResult: %#v\nError: %v\n\n", q, res, err)
	}
	fmt.Fprintf(w, `</pre>
</body>
</html>`)
}