distribution/registry/proxy/proxyauth.go

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package proxy
import (
"net/http"
"net/url"
"github.com/docker/distribution/registry/client/auth"
)
const tokenURL = "https://auth.docker.io/token"
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 authorizes with the upstream registry
func ConfigureAuth(remoteURL, username, password string, cm auth.ChallengeManager) (auth.CredentialStore, error) {
if err := ping(cm, remoteURL+"/v2/", "Docker-Distribution-Api-Version"); err != nil {
return nil, err
}
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
}