Clean up the auth delegating handler

src/Web/WebMVC/Extensions/Extensions.cs

@@ -102,7 +102,10 @@ internal static class Extensions
             // Set the access token as a bearer token for the outgoing request
             var accessToken = await httpContext.GetTokenAsync("access_token");
 
-            proxyRequest.Headers.Authorization = new("Bearer", accessToken);
+            if (accessToken is not null)
+            {
+                proxyRequest.Headers.Authorization = new("Bearer", accessToken);
+            }
 
             await base.TransformRequestAsync(httpContext, proxyRequest, destinationPrefix, cancellationToken);
         }

src/Web/WebMVC/Infrastructure/HttpClientAuthorizationDelegatingHandler.cs

@@ -12,29 +12,13 @@ public class HttpClientAuthorizationDelegatingHandler
 
     protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
     {
-        var authorizationHeader = _httpContextAccessor.HttpContext
-            .Request.Headers["Authorization"];
+        var accessToken = await _httpContextAccessor.HttpContext.GetTokenAsync("access_token");
 
-        if (!string.IsNullOrEmpty(authorizationHeader))
+        if (accessToken is not null)
         {
-            request.Headers.Add("Authorization", new List<string>() { authorizationHeader });
-        }
-
-        var token = await GetToken();
-
-        if (token != null)
-        {
-            request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", token);
+            request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", accessToken);
         }
 
         return await base.SendAsync(request, cancellationToken);
     }
-
-    async Task<string> GetToken()
-    {
-        const string ACCESS_TOKEN = "access_token";
-
-        return await _httpContextAccessor.HttpContext
-            .GetTokenAsync(ACCESS_TOKEN);
-    }
 }