fix: not recognize forwarded https protocal.

1 files changed, 13 insertions, 3 deletions

diff --git a/Timeline/Startup.cs b/Timeline/Startup.cs
index 09281551..5dbc99e6 100644
--- a/Timeline/Startup.cs
+++ b/Timeline/Startup.cs
@@ -97,10 +97,20 @@ namespace Timeline
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.

         public void Configure(IApplicationBuilder app)

         {

-            app.UseForwardedHeaders(new ForwardedHeadersOptions

+            if (string.Equals(System.Environment.GetEnvironmentVariable("ASPNETCORE_FORWARDEDHEADERS_ENABLED"), "true", StringComparison.OrdinalIgnoreCase))

             {

-                ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto

-            });

+                var options = new ForwardedHeadersOptions

+                {

+                    ForwardedHeaders = ForwardedHeaders.XForwardedFor |

+                    ForwardedHeaders.XForwardedProto

+                };

+                // Only loopback proxies are allowed by default.

+                // Clear that restriction because forwarders are enabled by explicit 

+                // configuration.

+                options.KnownNetworks.Clear();

+                options.KnownProxies.Clear();

+                app.UseForwardedHeaders(options);

+            }

 

             app.UseRouting();