From 47fc3da583bd97b656d1201919a7404f1425e59e Mon Sep 17 00:00:00 2001
From: Livio Amstutz <livio.a@gmail.com>
Date: Mon, 27 Jan 2020 15:28:49 +0100
Subject: [PATCH] feat: add createKeyPair

---
 pkg/op/signer.go  | 9 +++++++--
 pkg/op/storage.go | 1 +
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/pkg/op/signer.go b/pkg/op/signer.go
index 280fd63..1aa9619 100644
--- a/pkg/op/signer.go
+++ b/pkg/op/signer.go
@@ -31,9 +31,14 @@ func NewDefaultSigner(ctx context.Context, storage AuthStorage) (Signer, error)
 }
 
 func (s *idTokenSigner) initialize(ctx context.Context) error {
-	key, err := s.storage.GetSigningKey(ctx)
+	var key *jose.SigningKey
+	var err error
+	key, err = s.storage.GetSigningKey(ctx)
 	if err != nil {
-		return err
+		key, err = s.storage.SaveKeyPair(ctx)
+		if err != nil {
+			return err
+		}
 	}
 	s.signer, err = jose.NewSigner(*key, &jose.SignerOptions{})
 	if err != nil {
diff --git a/pkg/op/storage.go b/pkg/op/storage.go
index a6e323e..83b9f3e 100644
--- a/pkg/op/storage.go
+++ b/pkg/op/storage.go
@@ -16,6 +16,7 @@ type AuthStorage interface {
 
 	GetSigningKey(context.Context) (*jose.SigningKey, error)
 	GetKeySet(context.Context) (*jose.JSONWebKeySet, error)
+	SaveKeyPair(context.Context) (*jose.SigningKey, error)
 }
 
 type OPStorage interface {