client.go

@@ -37,15 +37,17 @@ func (c *Client) Login(w http.ResponseWriter, r *http.Request) {
 	}
 
 	state := uniuri.New()
+	nonce := uniuri.New()
 
 	sess.Set(SessionOIDCStateKey, state)
+	sess.Set(SessionOIDCNonceKey, nonce)
 
 	if err := sess.Save(w, r); err != nil {
 		panic(errors.Wrap(err, "could not save session"))
 	}
 
 	authCodeOptions := []oauth2.AuthCodeOption{}
-
+	authCodeOptions = append(authCodeOptions, oidc.Nonce(nonce))
 	authCodeURL := c.oauth2.AuthCodeURL(
 		state,
 		authCodeOptions...,

middleware.go

@@ -14,6 +14,7 @@ import (
 const (
 	SessionIDTokenKey   = "oidc-id-token"
 	SessionOIDCStateKey = "oidc-state"
+	SessionOIDCNonceKey = "oidc-nonce"
 )
 
 func init() {