Initial commit

FarmmapsApi/HttpMessageHandlers/FarmmapsAuthenticationHandler.cs

@@ -0,0 +1,24 @@
+using System.Net;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+using IdentityModel;
+
+namespace FarmmapsApi.HttpMessageHandlers
+{
+    public class FarmmapsAuthenticationHandler : DelegatingHandler
+    {
+        protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
+        {
+            if (!request.Headers.Authorization.Scheme.Equals(OidcConstants.AuthenticationSchemes.AuthorizationHeaderBearer) ||
+                string.IsNullOrEmpty(request.Headers.Authorization.Parameter))
+            {
+                return new HttpResponseMessage(HttpStatusCode.Unauthorized)
+                {
+                    Content = new StringContent("You must authenticate before using the API")
+                };
+            }
+            return await base.SendAsync(request, cancellationToken);
+        }
+    }
+}