package auth import ( "net/url" "strings" ) // FROM: https://golang.org/src/net/http/http.go // Given a string of the form "host", "host:port", or "[ipv6::address]:port", // return true if the string includes a port. func hasPort(s string) bool { return strings.LastIndex(s, ":") > strings.LastIndex(s, "]") } // FROM: http://golang.org/src/net/http/transport.go var portMap = map[string]string{ "http": "80", "https": "443", } // canonicalAddr returns url.Host but always with a ":port" suffix // FROM: http://golang.org/src/net/http/transport.go func canonicalAddr(url *url.URL) string { addr := url.Host if !hasPort(addr) { return addr + ":" + portMap[url.Scheme] } return addr }