distribution/docs/proxy/proxyauth.go
Richard Scothern 7d16fee7a4 To avoid any network use unless necessary, delay establishing authorization
challenges with the upstream until any proxied data is found not to be local.

Implement auth challenges behind an interface and add to unit tests.  Also,
remove a non-sensical unit test.

Signed-off-by: Richard Scothern <richard.scothern@docker.com>
2016-02-16 11:53:42 -08:00

51 lines
985 B
Go

package proxy
import (
"net/http"
"net/url"
"github.com/docker/distribution/registry/client/auth"
)
const tokenURL = "https://auth.docker.io/token"
const challengeHeader = "Docker-Distribution-Api-Version"
type userpass struct {
username string
password string
}
type credentials struct {
creds map[string]userpass
}
func (c credentials) Basic(u *url.URL) (string, string) {
up := c.creds[u.String()]
return up.username, up.password
}
// ConfigureAuth stores credentials for challenge responses
func configureAuth(username, password string) (auth.CredentialStore, error) {
creds := map[string]userpass{
tokenURL: {
username: username,
password: password,
},
}
return credentials{creds: creds}, nil
}
func ping(manager auth.ChallengeManager, endpoint, versionHeader string) error {
resp, err := http.Get(endpoint)
if err != nil {
return err
}
defer resp.Body.Close()
if err := manager.AddResponse(resp); err != nil {
return err
}
return nil
}