Method UnmarshalCaddyfile

modules/caddyhttp/staticerror.go:62–95

UnmarshalCaddyfile sets up the handler from Caddyfile tokens. Syntax: error [<matcher>] <status>|<message> [<status>] { message <text> } If there is just one argument (other than the matcher), it is considered to be a status code if it's a valid positive integer of 3 digits.

(d *caddyfile.Dispenser)

// If there is just one argument (other than the matcher), it is considered
// to be a status code if it's a valid positive integer of 3 digits.
func (e *StaticError) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
	d.Next() // consume directive name
	args := d.RemainingArgs()
	switch len(args) {
	case 1:
		if len(args[0]) == 3 {
			if num, err := strconv.Atoi(args[0]); err == nil && num > 0 {
				e.StatusCode = WeakString(args[0])
				break
			}
		}
		e.Error = args[0]
	case 2:
		e.Error = args[0]
		e.StatusCode = WeakString(args[1])
	default:
		return d.ArgErr()
	}

	for d.NextBlock(0) {
		switch d.Val() {
		case "message":
			if e.Error != "" {
				return d.Err("message already specified")
			}
			if !d.AllArgs(&e.Error) {
				return d.ArgErr()
			}
		default:
			return d.Errf("unrecognized subdirective '%s'", d.Val())
		}
	}
	return nil
}

func (e StaticError) ServeHTTP(w http.ResponseWriter, r *http.Request, _ Handler) error {
	repl := r.Context().Value(caddy.ReplacerCtxKey).(*caddy.Replacer)