From f6ff9544b71485e2ae7e94610cf55294a489eca0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?K=C3=A9vin=20Chalet?= <kevinchalet@gmail.com>
Date: Wed, 8 Jul 2020 03:51:42 +0200
Subject: [PATCH] Update IntrospectToken to immediately return an error when
 introspection fails and match ValidateIdentityModelToken

---
 src/OpenIddict.Validation/OpenIddictValidationHandlers.cs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/OpenIddict.Validation/OpenIddictValidationHandlers.cs b/src/OpenIddict.Validation/OpenIddictValidationHandlers.cs
index 20448a4f..8f598a87 100644
--- a/src/OpenIddict.Validation/OpenIddictValidationHandlers.cs
+++ b/src/OpenIddict.Validation/OpenIddictValidationHandlers.cs
@@ -374,7 +374,11 @@ namespace OpenIddict.Validation
                 {
                     context.Logger.LogDebug(exception, "An error occurred while introspecting the access token.");
 
-                    // If an error occurred while introspecting the token, allow other handlers to validate it.
+                    context.Reject(
+                        error: Errors.InvalidToken,
+                        description: "The specified token is not valid.");
+
+                    return;
                 }
             }
         }