func WithCIDRsTrustedForXForwardedFor()

in correlation/inbound_http_options.go [76:91]

• 15 lines of code
• 3 McCabe index (conditional complexity)

func WithCIDRsTrustedForXForwardedFor(trustedCIDRs []string) InboundHandlerOption {
	return func(config *inboundHandlerConfig) {
		for _, s := range trustedCIDRs {
			_, ipNet, err := net.ParseCIDR(s)
			if err != nil {
				logrus.Errorf("Bad trusted CIDR for XForwardedFor %s: %v", s, err)
			} else {
				config.trustedCIDRsForXForwardedFor = append(config.trustedCIDRsForXForwardedFor, *ipNet)
			}
		}

		config.xffAllowed = func(ip string) bool {
			return isTrustedIP(ip, config.trustedCIDRsForXForwardedFor)
		}
	}
}