func()

in share.go [45:83]

• 35 lines of code
• 7 McCabe index (conditional complexity)

func (s *server) handleShare(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Access-Control-Allow-Origin", "*")
	if r.Method == "OPTIONS" {
		// This is likely a pre-flight CORS request.
		return
	}
	if r.Method != "POST" {
		http.Error(w, "Requires POST", http.StatusMethodNotAllowed)
		return
	}
	if !allowShare(r) {
		http.Error(w, "Either this isn't available in your country due to legal reasons, or our IP geolocation is wrong.",
			http.StatusUnavailableForLegalReasons)
		return
	}

	var body bytes.Buffer
	_, err := io.Copy(&body, io.LimitReader(r.Body, maxSnippetSize+1))
	r.Body.Close()
	if err != nil {
		s.log.Errorf("reading Body: %v", err)
		http.Error(w, "Server Error", http.StatusInternalServerError)
		return
	}
	if body.Len() > maxSnippetSize {
		http.Error(w, "Snippet is too large", http.StatusRequestEntityTooLarge)
		return
	}

	snip := &snippet{Body: body.Bytes()}
	id := snip.ID()
	if err := s.db.PutSnippet(r.Context(), id, snip); err != nil {
		s.log.Errorf("putting Snippet: %v", err)
		http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
		return
	}

	fmt.Fprint(w, id)
}