Source file src/github.com/docker/distribution/registry/client/auth/challenge/addr.go

Documentation: github.com/docker/distribution/registry/client/auth/challenge

     1  package challenge
     2  
     3  import (
     4  	"net/url"
     5  	"strings"
     6  )
     7  
     8  // FROM: https://golang.org/src/net/http/http.go
     9  // Given a string of the form "host", "host:port", or "[ipv6::address]:port",
    10  // return true if the string includes a port.
    11  func hasPort(s string) bool { return strings.LastIndex(s, ":") > strings.LastIndex(s, "]") }
    12  
    13  // FROM: http://golang.org/src/net/http/transport.go
    14  var portMap = map[string]string{
    15  	"http":  "80",
    16  	"https": "443",
    17  }
    18  
    19  // canonicalAddr returns url.Host but always with a ":port" suffix
    20  // FROM: http://golang.org/src/net/http/transport.go
    21  func canonicalAddr(url *url.URL) string {
    22  	addr := url.Host
    23  	if !hasPort(addr) {
    24  		return addr + ":" + portMap[url.Scheme]
    25  	}
    26  	return addr
    27  }
    28  

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