Add back auth.PrivateKey

auth/options.go

@@ -16,6 +16,8 @@ type Options struct {
 	Token *Token
 	// PublicKey for decoding JWTs
 	PublicKey string
+	// PrivateKey for encoding JWTs
+	PrivateKey string
 	// Provider is an auth provider
 	Provider provider.Provider
 	// LoginURL is the relative url path where a user can login
@@ -40,6 +42,13 @@ func PublicKey(key string) Option {
 	}
 }
 
+// PrivateKey is the JWT private key
+func PrivateKey(key string) Option {
+	return func(o *Options) {
+		o.PrivateKey = key
+	}
+}
+
 // Credentials sets the auth credentials
 func Credentials(id, secret string) Option {
 	return func(o *Options) {