isValidAddr checks if the Addr is a valid IP or IP:port.
(addr string)
| 43 | |
| 44 | // isValidAddr checks if the Addr is a valid IP or IP:port. |
| 45 | func isValidAddr(addr string) bool { |
| 46 | if addr == "" { |
| 47 | return false |
| 48 | } |
| 49 | |
| 50 | ip, _, err := net.SplitHostPort(addr) |
| 51 | if err != nil { |
| 52 | return net.ParseIP(addr) != nil |
| 53 | } |
| 54 | |
| 55 | return net.ParseIP(ip) != nil |
| 56 | } |
| 57 | |
| 58 | func parseDefaultProxyHeaders(r *http.Request) string { |
| 59 | var addr string |