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package swift
import (
"net/http"
"time"
"github.com/ncw/swift"
)
// auth is an authenticator for swift. It overrides the StorageUrl
// and AuthToken with fixed values.
type auth struct {
parentAuth swift.Authenticator
storageURL string
authToken string
}
// newAuth creates a swift authenticator wrapper to override the
// StorageUrl and AuthToken values.
//
// Note that parentAuth can be nil
func newAuth(parentAuth swift.Authenticator, storageURL string, authToken string) *auth {
return &auth{
parentAuth: parentAuth,
storageURL: storageURL,
authToken: authToken,
}
}
// Request creates an http.Request for the auth - return nil if not needed
func (a *auth) Request(c *swift.Connection) (*http.Request, error) {
if a.parentAuth == nil {
return nil, nil
}
return a.parentAuth.Request(c)
}
// Response parses the http.Response
func (a *auth) Response(resp *http.Response) error {
if a.parentAuth == nil {
return nil
}
return a.parentAuth.Response(resp)
}
// The public storage URL - set Internal to true to read
// internal/service net URL
func (a *auth) StorageUrl(Internal bool) string { // nolint
if a.storageURL != "" {
return a.storageURL
}
if a.parentAuth == nil {
return ""
}
return a.parentAuth.StorageUrl(Internal)
}
// The access token
func (a *auth) Token() string {
if a.authToken != "" {
return a.authToken
}
if a.parentAuth == nil {
return ""
}
return a.parentAuth.Token()
}
// Expires returns the time the token expires if known or Zero if not.
func (a *auth) Expires() (t time.Time) {
if do, ok := a.parentAuth.(swift.Expireser); ok {
t = do.Expires()
}
return t
}
// The CDN url if available
func (a *auth) CdnUrl() string { // nolint
if a.parentAuth == nil {
return ""
}
return a.parentAuth.CdnUrl()
}
// Check the interfaces are satisfied
var (
_ swift.Authenticator = (*auth)(nil)
_ swift.Expireser = (*auth)(nil)
)
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