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To avoid any network use unless necessary, delay establishing authorization

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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>
This commit is contained in:
Richard Scothern
2016-02-10 18:07:28 -08:00
parent b9907c4853
commit 56af60ad24
8 changed files with 156 additions and 44 deletions
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9
registry/proxy/proxyauth.go
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@@ -8,6 +8,7 @@ import (
)
const tokenURL = "https://auth.docker.io/token"
const challengeHeader = "Docker-Distribution-Api-Version"
type userpass struct {
username string
@@ -24,12 +25,8 @@ func (c credentials) Basic(u *url.URL) (string, 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
}
// ConfigureAuth stores credentials for challenge responses
func configureAuth(username, password string) (auth.CredentialStore, error) {
creds := map[string]userpass{
tokenURL: {
username: username,