func ListCertdata()

in certdataDiffCCADB/main.go [167:210]
44 lines of code
8 McCabe index (conditional complexity)

func ListCertdata(w http.ResponseWriter, req *http.Request) {
	defer func() {
		if err := recover(); err != nil {
			w.WriteHeader(http.StatusBadGateway)
			w.Write([]byte(fmt.Sprintf("%v\n", err)))
		}
	}()
	q := req.URL.Query()
	url := certdataURL
	if u, ok := q["url"]; ok && len(u) > 0 {
		url = u[0]
	}
	log.Printf("ListCertdata, IP: %v, certdata.txt URL: %v\n", req.RemoteAddr, url)
	stream, err := getFromURL(url)
	if err != nil {
		w.WriteHeader(http.StatusBadRequest)
		w.Write([]byte(fmt.Sprintln(err.Error())))
		log.Printf("ListCertdata, IP: %v, Error: %v\n", req.RemoteAddr, err)
		return
	}
	defer stream.Close()
	c, err := certdata.ParseToNormalizedForm(stream)
	if err != nil {
		w.WriteHeader(http.StatusBadRequest)
		w.Write([]byte(fmt.Sprintln(err.Error())))
		log.Printf("ListCertdata, IP: %v, Error: %v\n", req.RemoteAddr, err)
		return
	}
	resp := make([]SimpleEntry, len(c))
	for i, e := range c {
		resp[i] = SimpleEntry{PEM: e.PEM,
			Fingerprint:  e.Fingerprint,
			SerialNumber: e.SerialNumber,
			Issuer:       e.DistinguishedName(),
			TrustWeb:     e.TrustWeb,
			TrustEmail:   e.TrustEmail}
	}
	if err := json.NewEncoder(w).Encode(resp); err != nil {
		w.WriteHeader(http.StatusBadRequest)
		w.Write([]byte(fmt.Sprintln(err.Error())))
		log.Printf("ListCertdata, IP: %v, Error: %v\n", req.RemoteAddr, err)
		return
	}
}