href.go RawHistoryFolder

1package systemviews
2
3import (
4	"net/url"
5	"strings"
6)
7
8const httpsScheme = "https"
9
10func sanitizeHref(raw string) string {
11	trimmed := strings.TrimSpace(raw)
12	if trimmed == "" || strings.HasPrefix(trimmed, "//") {
13		return "#"
14	}
15
16	parsed, err := url.Parse(trimmed)
17	if err != nil {
18		return "#"
19	}
20
21	if parsed.Scheme == "" {
22		if parsed.Host != "" {
23			return "#"
24		}
25		return trimmed
26	}
27
28	switch strings.ToLower(parsed.Scheme) {
29	case httpScheme, httpsScheme:
30		if parsed.Host == "" {
31			return "#"
32		}
33		parsed.Scheme = strings.ToLower(parsed.Scheme)
34		parsed.User = nil
35		return parsed.String()
36	case "dumb":
37		if parsed.Host == "" && parsed.Opaque == "" {
38			return "#"
39		}
40		return trimmed
41	default:
42		return "#"
43	}
44}