Fix: Allow get rate unauthenticated

BTCPayServer/Extensions.cs

@@ -333,10 +333,15 @@ namespace BTCPayServer
             NBitcoin.Extensions.TryAdd(ctx.Items, "BitpayAuth", value);
         }
 
-        public static (string Signature, String Id, String Authorization) GetBitpayAuth(this HttpContext ctx)
+        public static bool TryGetBitpayAuth(this HttpContext ctx, out (string Signature, String Id, String Authorization) result)
         {
-            ctx.Items.TryGetValue("BitpayAuth", out object obj);
-            return ((string Signature, String Id, String Authorization))obj;
+            if (ctx.Items.TryGetValue("BitpayAuth", out object obj))
+            {
+                result = ((string Signature, String Id, String Authorization))obj;
+                return true;
+            }
+            result = default;
+            return false;
         }
 
         public static StoreData GetStoreData(this HttpContext ctx)

BTCPayServer/Security/Bitpay/BitpayAuthenticationHandler.cs

@@ -41,7 +41,8 @@ namespace BTCPayServer.Security.Bitpay
         protected override async Task<AuthenticateResult> HandleAuthenticateAsync()
         {
             List<Claim> claims = new List<Claim>();
-            var bitpayAuth = Context.Request.HttpContext.GetBitpayAuth();
+            if (!Context.Request.HttpContext.TryGetBitpayAuth(out var bitpayAuth))
+                return AuthenticateResult.NoResult();
             string storeId = null;
             bool anonymous = true;
             bool? success = null;

Version.csproj

@@ -1,5 +1,5 @@
 <Project>
   <PropertyGroup>
-		<Version>1.0.3.115</Version>
+		<Version>1.0.3.116</Version>
   </PropertyGroup>
 </Project>