Method storageSafeUserKey

account.go:360–371

storageSafeUserKey returns a key for the given email, with the default filename, and the filename ending in the given extension.

(ca, email, defaultFilename, extension string)

// storageSafeUserKey returns a key for the given email, with the default
// filename, and the filename ending in the given extension.
func (am *ACMEIssuer) storageSafeUserKey(ca, email, defaultFilename, extension string) string {
	if email == "" {
		email = emptyEmail
	}
	email = strings.ToLower(email)
	filename := am.emailUsername(email)
	if filename == "" {
		filename = defaultFilename
	}
	filename = StorageKeys.Safe(filename)
	return path.Join(am.storageKeyUserPrefix(ca, email), filename+extension)
}

// emailUsername returns the username portion of an email address (part before
// '@') or the original input if it can't find the "@" symbol.