distribution/registry/client/auth/challenge/addr.go
Derek McGowan a1a73884f9
Refactor authorization challenges to its own package
Split challenges into its own package. Avoids possible
import cycle with challenges from client.

Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
2016-11-09 15:27:40 -08:00

28 lines
703 B
Go

package challenge
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
}