From 489da203959255f09f48e4d4b3a96016840d786f Mon Sep 17 00:00:00 2001
From: jvyden <jvyden@jvyden.xyz>
Date: Wed, 16 Feb 2022 14:30:09 -0500
Subject: [PATCH] Add debug logging for digest failure, reset body stream when
 reading alt key

---
 ProjectLighthouse/Startup/Startup.cs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/ProjectLighthouse/Startup/Startup.cs b/ProjectLighthouse/Startup/Startup.cs
index ec293d74..5cc33fe0 100644
--- a/ProjectLighthouse/Startup/Startup.cs
+++ b/ProjectLighthouse/Startup/Startup.cs
@@ -183,9 +183,18 @@ public class Startup
                             // If we got here, the normal ServerDigestKey failed to validate. Lets try again with the alternate digest key.
                             usedAlternateDigestKey = true;
 
+                            // Reset the body stream
+                            body.Position = 0;
+
                             clientRequestDigest = await HashHelper.ComputeDigest(digestPath, authCookie, body, ServerSettings.Instance.AlternateDigestKey);
                             if (clientRequestDigest != sentDigest)
                             {
+                                #if DEBUG
+                                Console.WriteLine("Digest failed");
+                                Console.WriteLine("digestKey: " + ServerSettings.Instance.ServerDigestKey);
+                                Console.WriteLine("altDigestKey: " + ServerSettings.Instance.AlternateDigestKey);
+                                Console.WriteLine("computed digest: " + clientRequestDigest);
+                                #endif
                                 // We still failed to validate. Abort the request.
                                 context.Response.StatusCode = 403;
                                 context.Abort();