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Export "no basic auth credentials" as an error value

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Making this an exported error value will allow users of the
registry/client/auth module to have consistent behavior between
authentication failures and cases where no credentials are provided.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
This commit is contained in:
Aaron Lehmann 2016-02-10 16:34:50 -08:00
parent a3213ff331
commit b046861e40
1 changed files with 5 additions and 1 deletions
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6
registry/client/auth/session.go
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@ -15,6 +15,10 @@ import (
"github.com/docker/distribution/registry/client/transport" "github.com/docker/distribution/registry/client/transport"
) )
// ErrNoBasicAuthCredentials is returned if a request can't be authorized with
// basic auth due to lack of credentials.
var ErrNoBasicAuthCredentials = errors.New("no basic auth credentials")
// AuthenticationHandler is an interface for authorizing a request from // AuthenticationHandler is an interface for authorizing a request from
// params from a "WWW-Authenicate" header for a single scheme. // params from a "WWW-Authenicate" header for a single scheme.
type AuthenticationHandler interface { type AuthenticationHandler interface {
@ -322,5 +326,5 @@ func (bh *basicHandler) AuthorizeRequest(req *http.Request, params map[string]st
return nil return nil
} }
} }
return errors.New("no basic auth credentials") return ErrNoBasicAuthCredentials
} }