refactor: extract method to validate id token

2 files changed, 8 insertions, 2 deletions

diff --git a/app/middleware/id_token.go b/app/middleware/id_token.go
index f0a3c74..7d106ee 100644
--- a/app/middleware/id_token.go
+++ b/app/middleware/id_token.go
@@ -16,8 +16,8 @@ func IDToken(cfg *oidc.OpenID, parsers ...TokenParser) func(http.Handler) http.H
 			for _, parser := range parsers {
 				rawIDToken := parser(r)
 				if x.IsPresent(rawIDToken) {
-					verifier := cfg.Provider.VerifierContext(r.Context(), cfg.OIDCConfig)
-					idToken, err := verifier.Verify(r.Context(), rawIDToken.String())
+					idToken, err := cfg.ValidateIDToken(r.Context(), rawIDToken)
+
 					if err != nil {
 						log.WithFields(r.Context(), log.Fields{"error": err})
 						cookie.Expire(w, r, "session")
diff --git a/pkg/oidc/oidc.go b/pkg/oidc/oidc.go
index b82570b..5ff8c28 100644
--- a/pkg/oidc/oidc.go
+++ b/pkg/oidc/oidc.go
@@ -33,3 +33,9 @@ func New(ctx context.Context, issuer string, clientID, clientSecret, callbackURL
 		},
 	}, nil
 }
+
+func (o *OpenID) ValidateIDToken(ctx context.Context, rawIDToken RawToken) (*IDToken, error) {
+	verifier := o.Provider.VerifierContext(ctx, o.OIDCConfig)
+	idToken, err := verifier.Verify(ctx, rawIDToken.String())
+	return idToken, err
+}