cloudflare

Documentation

Overview

Package cloudflare contains Cloudflare-related stuff.

Index

• func HasIP(ip netip.Addr) bool
• func RealIP(onError func(*http.Request, error)) func(next http.Handler) http.Handler
• func UpdateIPs(ctx context.Context) error

Functions

func HasIP

func HasIP(ip netip.Addr) bool

HasIP checks if ip is in a Cloudflare prefix.

func RealIP

func RealIP(onError func(*http.Request, error)) func(next http.Handler) http.Handler

RealIP returns middleware to update the remote address to the value of CF-Connecting-IP if the request is from a Cloudflare prefix. For this to be secure, the Host header must be verified.

func UpdateIPs

func UpdateIPs(ctx context.Context) error

UpdateIPs updates the Cloudflare IP list.