Merge pull request #11052 from umbraco/v9/bugfix/AB13489-no-error-when-exceeding-maxAllowedContentLength

V9: Update MaxRequestBodySize on both IIS Server and Kestrel Server

Author: bergmania

src/Umbraco.Web.Common/DependencyInjection/UmbracoBuilderExtensions.cs

@@ -103,6 +103,10 @@ public static IUmbracoBuilder AddUmbraco(
             var requestCache = new HttpContextRequestAppCache(httpContextAccessor);
             var appCaches = AppCaches.Create(requestCache);
 
+            services.ConfigureOptions<ConfigureKestrelServerOptions>();
+            services.ConfigureOptions<ConfigureIISServerOptions>();
+            services.ConfigureOptions<ConfigureFormOptions>();
+
             IProfiler profiler = GetWebProfiler(config);
 
             ILoggerFactory loggerFactory = LoggerFactory.Create(cfg => cfg.AddSerilog(Log.Logger, false));

src/Umbraco.Web.Common/Security/ConfigureFormOptions.cs

@@ -0,0 +1,18 @@
+using Microsoft.AspNetCore.Http.Features;
+using Microsoft.Extensions.Options;
+using Umbraco.Cms.Core.Configuration.Models;
+
+namespace Umbraco.Cms.Web.Common.Security
+{
+    public class ConfigureFormOptions : IConfigureOptions<FormOptions>
+    {
+        private readonly IOptions<RuntimeSettings> _runtimeSettings;
+
+        public ConfigureFormOptions(IOptions<RuntimeSettings> runtimeSettings) => _runtimeSettings = runtimeSettings;
+        public void Configure(FormOptions options)
+        {
+            // convert from KB to bytes
+            options.MultipartBodyLengthLimit = _runtimeSettings.Value.MaxRequestLength.HasValue ? _runtimeSettings.Value.MaxRequestLength.Value * 1024 : long.MaxValue;
+        }
+    }
+}

src/Umbraco.Web.Common/Security/ConfigureIISServerOptions.cs

@@ -0,0 +1,18 @@
+using Microsoft.AspNetCore.Builder;
+using Microsoft.Extensions.Options;
+using Umbraco.Cms.Core.Configuration.Models;
+
+namespace Umbraco.Cms.Web.Common.Security
+{
+    public class ConfigureIISServerOptions : IConfigureOptions<IISServerOptions>
+    {
+        private readonly IOptions<RuntimeSettings> _runtimeSettings;
+
+        public ConfigureIISServerOptions(IOptions<RuntimeSettings> runtimeSettings) => _runtimeSettings = runtimeSettings;
+        public void Configure(IISServerOptions options)
+        {
+            // convert from KB to bytes
+            options.MaxRequestBodySize = _runtimeSettings.Value.MaxRequestLength.HasValue ? _runtimeSettings.Value.MaxRequestLength.Value * 1024 : uint.MaxValue; // ~4GB is the max supported value for IIS and IIS express.
+        }
+    }
+}

src/Umbraco.Web.Common/Security/ConfigureKestrelServerOptions.cs

@@ -0,0 +1,18 @@
+using Microsoft.AspNetCore.Server.Kestrel.Core;
+using Microsoft.Extensions.Options;
+using Umbraco.Cms.Core.Configuration.Models;
+
+namespace Umbraco.Cms.Web.Common.Security
+{
+    public class ConfigureKestrelServerOptions : IConfigureOptions<KestrelServerOptions>
+    {
+        private readonly IOptions<RuntimeSettings> _runtimeSettings;
+
+        public ConfigureKestrelServerOptions(IOptions<RuntimeSettings> runtimeSettings) => _runtimeSettings = runtimeSettings;
+        public void Configure(KestrelServerOptions options)
+        {
+            // convert from KB to bytes
+            options.Limits.MaxRequestBodySize = _runtimeSettings.Value.MaxRequestLength.HasValue ? _runtimeSettings.Value.MaxRequestLength.Value * 1024 : long.MaxValue;
+        }
+    }
+}