From d6e8a98ac53e66397c2dd17e24bf99011fdafc84 Mon Sep 17 00:00:00 2001
From: Miguel Veloso <mvelosop@gmail.com>
Date: Mon, 4 Mar 2019 20:25:41 +0000
Subject: [PATCH] Fix duplicate x-requestid headers

---
 .../Infrastructure/HttpClientRequestIdDelegatingHandler.cs   | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Web/WebMVC/Infrastructure/HttpClientRequestIdDelegatingHandler.cs b/src/Web/WebMVC/Infrastructure/HttpClientRequestIdDelegatingHandler.cs
index 17e4591a1..37bea4d30 100644
--- a/src/Web/WebMVC/Infrastructure/HttpClientRequestIdDelegatingHandler.cs
+++ b/src/Web/WebMVC/Infrastructure/HttpClientRequestIdDelegatingHandler.cs
@@ -17,7 +17,10 @@ namespace WebMVC.Infrastructure
         {
             if (request.Method == HttpMethod.Post || request.Method == HttpMethod.Put)
             {
-                request.Headers.Add("x-requestid", Guid.NewGuid().ToString());
+                if (!request.Headers.Contains("x-requestid"))
+                {
+                    request.Headers.Add("x-requestid", Guid.NewGuid().ToString());
+                }
             }
             
             return await base.SendAsync(request, cancellationToken);