Created option for RequireHttpsAttribute.Permanent

Fixes #4650

src/Microsoft.AspNetCore.Mvc.Core/MvcOptions.cs

@@ -140,5 +140,10 @@ namespace Microsoft.AspNetCore.Mvc
         /// is used. If not set the port won't be specified in the secured URL e.g. https://localhost/path.
         /// </summary>
         public int? SslPort { get; set; }
+
+        /// <summary>
+        /// Gets or sets the default value for the Permanent property of <see cref="RequireHttpsAttribute"/>.
+        /// </summary>
+        public bool RequireHttpsPermanent { get; set; }
     }
 }

src/Microsoft.AspNetCore.Mvc.Core/RequireHttpsAttribute.cs

@@ -15,11 +15,17 @@ namespace Microsoft.AspNetCore.Mvc
     [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, Inherited = true, AllowMultiple = false)]
     public class RequireHttpsAttribute : Attribute, IAuthorizationFilter, IOrderedFilter
     {
+        private bool? _permanent;
+
         /// <summary>
         /// Specifies whether a permanent redirect, <c>301 Moved Permanently</c>,
         /// should be used instead of a temporary redirect, <c>302 Found</c>.
         /// </summary>
-        public bool Permanent { get; set; }
+        public bool Permanent
+        {
+            get { return _permanent ?? false; }
+            set { _permanent = value; }
+        }
 
         /// <inheritdoc />
         public int Order { get; set; }
@@ -82,6 +88,8 @@ namespace Microsoft.AspNetCore.Mvc
                     host = new HostString(host.Host);
                 }
 
+                var permanentValue = _permanent ?? optionsAccessor.Value.RequireHttpsPermanent;
+
                 var newUrl = string.Concat(
                     "https://",
                     host.ToUriComponent(),
@@ -90,7 +98,7 @@ namespace Microsoft.AspNetCore.Mvc
                     request.QueryString.ToUriComponent());
 
                 // redirect to HTTPS version of page
-                filterContext.Result = new RedirectResult(newUrl, Permanent);
+                filterContext.Result = new RedirectResult(newUrl, permanentValue);
             }
         }
     }

test/Microsoft.AspNetCore.Mvc.Core.Test/RequireHttpsAttributeTests.cs

@@ -192,24 +192,30 @@ namespace Microsoft.AspNetCore.Mvc
         }
 
         [Theory]
-        [InlineData(true)]
+        [InlineData(null, true)]
-        [InlineData(false)]
+        [InlineData(null, false)]
-        public void OnAuthorization_RedirectsToHttpsEndpoint_WithSpecifiedStatusCode(bool permanent)
+        [InlineData(true, false)]
+        [InlineData(false, true)]
+        public void OnAuthorization_RedirectsToHttpsEndpoint_WithSpecifiedStatusCodeAndrequireHttpsPermanentOption(bool? permanent, bool requireHttpsPermanent)
         {
             var requestContext = new DefaultHttpContext();
-            requestContext.RequestServices = CreateServices();
+            requestContext.RequestServices = CreateServices(null, requireHttpsPermanent);
             requestContext.Request.Scheme = "http";
             requestContext.Request.Method = "GET";
             
             var authContext = CreateAuthorizationContext(requestContext);
-            var attr = new RequireHttpsAttribute { Permanent = permanent };
+            var attr = new RequireHttpsAttribute();
+            if (permanent.HasValue)
+            {
+                attr.Permanent = permanent.Value; 
+            };
 
             // Act
             attr.OnAuthorization(authContext);
 
             // Assert
             var result = Assert.IsType<RedirectResult>(authContext.Result);
-            Assert.Equal(permanent, result.Permanent);
+            Assert.Equal(permanent ?? requireHttpsPermanent, result.Permanent);
         }
 
         private class CustomRequireHttpsAttribute : RequireHttpsAttribute
@@ -226,10 +232,11 @@ namespace Microsoft.AspNetCore.Mvc
             return new AuthorizationFilterContext(actionContext, new IFilterMetadata[0]);
         }
 
-        private static IServiceProvider CreateServices(int? sslPort = null)
+        private static IServiceProvider CreateServices(int? sslPort = null, bool requireHttpsPermanent = false)
         {
             var options = new TestOptionsManager<MvcOptions>();
             options.Value.SslPort = sslPort;
+            options.Value.RequireHttpsPermanent = requireHttpsPermanent;
 
             var services = new ServiceCollection();
             services.AddSingleton<IOptions<MvcOptions>>(options);