Turn on some CodeAnalysis rules

.editorconfig

@@ -70,11 +70,40 @@ end_of_line = lf
 charset = utf-8-bom
 
 [*.{cs,vb}]
+# CA1018: Mark attributes with AttributeUsageAttribute
+dotnet_diagnostic.CA1018.severity = warning
+
+# CA1047: Do not declare protected member in sealed type
+dotnet_diagnostic.CA1047.severity = warning
+
 # CA1305: Specify IFormatProvider
 dotnet_diagnostic.CA1305.severity = error
 
-[*.{cs,vb}]
+# CA1507: Use nameof to express symbol names
+dotnet_diagnostic.CA1507.severity = warning
+
+# CA1725: Parameter names should match base declaration
+dotnet_diagnostic.CA1725.severity = suggestion
+
+# CA1823: Use literals where appropriate
+dotnet_diagnostic.CA1802.severity = warning
+
+# CA1823: Avoid unused private fields
+dotnet_diagnostic.CA1823.severity = warning
+
 # CA2012: Use ValueTask correctly
 dotnet_diagnostic.CA2012.severity = warning
+
+[**/HostFactoryResolver.cs]
+# CA1823: Use literals where appropriate
+dotnet_diagnostic.CA1802.severity = suggestion
+
 [**/{test,perf}/**.{cs,vb}]
+# CA1018: Mark attributes with AttributeUsageAttribute
+dotnet_diagnostic.CA1018.severity = suggestion
+# CA1507: Use nameof to express symbol names
+dotnet_diagnostic.CA1507.severity = suggestion
+# CA1823: Use literals where appropriate
+dotnet_diagnostic.CA1802.severity = suggestion
+# CA2012: Use ValueTask correctly
 dotnet_diagnostic.CA2012.severity = suggestion

src/Analyzers/Analyzers/src/WellKnownFeatures.cs

@@ -5,6 +5,6 @@ namespace Microsoft.AspNetCore.Analyzers
 {
     internal static class WellKnownFeatures
     {
-        public static readonly string SignalR = nameof(SignalR);
+        public const string SignalR = nameof(SignalR);
     }
 }

src/Antiforgery/src/Internal/BinaryBlob.cs

@@ -28,11 +28,11 @@ public BinaryBlob(int bitLength, byte[] data)
         {
             if (bitLength < 32 || bitLength % 8 != 0)
             {
-                throw new ArgumentOutOfRangeException("bitLength");
+                throw new ArgumentOutOfRangeException(nameof(bitLength));
             }
             if (data == null || data.Length != bitLength / 8)
             {
-                throw new ArgumentOutOfRangeException("data");
+                throw new ArgumentOutOfRangeException(nameof(data));
             }
 
             _data = data;

src/Antiforgery/src/Internal/DefaultAntiforgeryTokenSerializer.cs

@@ -11,7 +11,7 @@ namespace Microsoft.AspNetCore.Antiforgery
 {
     internal class DefaultAntiforgeryTokenSerializer : IAntiforgeryTokenSerializer
     {
-        private static readonly string Purpose = "Microsoft.AspNetCore.Antiforgery.AntiforgeryToken.v1";
+        private const string Purpose = "Microsoft.AspNetCore.Antiforgery.AntiforgeryToken.v1";
         private const byte TokenVersion = 0x01;
 
         private readonly IDataProtector _cryptoSystem;

src/Components/Analyzers/src/ComponentsApi.cs

@@ -7,26 +7,26 @@ namespace Microsoft.AspNetCore.Components.Analyzers
     // Keep these in sync with the actual definitions
     internal static class ComponentsApi
     {
-        public static readonly string AssemblyName = "Microsoft.AspNetCore.Components";
+        public const string AssemblyName = "Microsoft.AspNetCore.Components";
 
         public static class ParameterAttribute
         {
-            public static readonly string FullTypeName = "Microsoft.AspNetCore.Components.ParameterAttribute";
-            public static readonly string MetadataName = FullTypeName;
+            public const string FullTypeName = "Microsoft.AspNetCore.Components.ParameterAttribute";
+            public const string MetadataName = FullTypeName;
 
-            public static readonly string CaptureUnmatchedValues = "CaptureUnmatchedValues";
+            public const string CaptureUnmatchedValues = "CaptureUnmatchedValues";
         }
 
         public static class CascadingParameterAttribute
         {
-            public static readonly string FullTypeName = "Microsoft.AspNetCore.Components.CascadingParameterAttribute";
-            public static readonly string MetadataName = FullTypeName;
+            public const string FullTypeName = "Microsoft.AspNetCore.Components.CascadingParameterAttribute";
+            public const string MetadataName = FullTypeName;
         }
 
         public static class IComponent
         {
-            public static readonly string FullTypeName = "Microsoft.AspNetCore.Components.IComponent";
-            public static readonly string MetadataName = FullTypeName;
+            public const string FullTypeName = "Microsoft.AspNetCore.Components.IComponent";
+            public const string MetadataName = FullTypeName;
         }
     }
 }

src/Components/Components/src/ComponentFactory.cs

@@ -13,7 +13,7 @@ namespace Microsoft.AspNetCore.Components
 {
     internal sealed class ComponentFactory
     {
-        private static readonly BindingFlags _injectablePropertyBindingFlags
+        private const BindingFlags _injectablePropertyBindingFlags
             = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic;
 
         private readonly ConcurrentDictionary<Type, Action<IServiceProvider, IComponent>> _cachedInitializers = new();

src/Components/Samples/IgnitorSample/Program.cs

@@ -14,8 +14,7 @@ namespace IgnitorSample
     /// </summary>
     class Program
     {
-        private static readonly string ServerUrl = "https://localhost:5001";
-        private static readonly JsonSerializerOptions jsonSerializerOptions = new JsonSerializerOptions(JsonSerializerDefaults.Web);
+        private const string ServerUrl = "https://localhost:5001";
 
         static async Task Main(string[] args)
         {

src/Components/Server/src/BlazorPack/BlazorPackHubProtocol.cs

@@ -17,7 +17,7 @@ namespace Microsoft.AspNetCore.Components.Server.BlazorPack
     internal sealed class BlazorPackHubProtocol : IHubProtocol
     {
         internal const string ProtocolName = "blazorpack";
-        private static readonly int ProtocolVersion = 1;
+        private const int ProtocolVersion = 1;
 
         private readonly BlazorPackHubProtocolWorker _worker = new BlazorPackHubProtocolWorker();
 

src/Components/Shared/src/BrowserNavigationManagerInterop.cs

@@ -6,14 +6,14 @@ namespace Microsoft.AspNetCore.Components.Web
     // Shared interop constants
     internal static class BrowserNavigationManagerInterop
     {
-        private static readonly string Prefix = "Blazor._internal.navigationManager.";
+        private const string Prefix = "Blazor._internal.navigationManager.";
 
-        public static readonly string EnableNavigationInterception = Prefix + "enableNavigationInterception";
+        public const string EnableNavigationInterception = Prefix + "enableNavigationInterception";
 
-        public static readonly string GetLocationHref = Prefix + "getUnmarshalledLocationHref";
+        public const string GetLocationHref = Prefix + "getUnmarshalledLocationHref";
 
-        public static readonly string GetBaseUri = Prefix + "getUnmarshalledBaseURI";
+        public const string GetBaseUri = Prefix + "getUnmarshalledBaseURI";
 
-        public static readonly string NavigateTo = Prefix + "navigateTo";
+        public const string NavigateTo = Prefix + "navigateTo";
     }
 }

src/Components/WebAssembly/Samples/HostedBlazorWebassemblyApp/Server/Controllers/WeatherForecastController.cs

@@ -10,10 +10,6 @@ namespace HostedBlazorWebassemblyApp.Server.Controllers
     [Route("[controller]")]
     public class WeatherForecastController : ControllerBase
     {
-        private static readonly string[] Summaries = new[]
-        {
-            "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
-        };
         private readonly IWeatherForecastService _forecastService;
         private readonly ILogger<WeatherForecastController> _logger;
 

src/Components/WebAssembly/WebAssembly/src/Hosting/RegisteredComponentsInterop.cs

@@ -5,18 +5,18 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Hosting
 {
     internal class RegisteredComponentsInterop
     {
-        private static readonly string Prefix = "Blazor._internal.registeredComponents.";
+        private const string Prefix = "Blazor._internal.registeredComponents.";
 
-        public static readonly string GetRegisteredComponentsCount = Prefix + "getRegisteredComponentsCount";
+        public const string GetRegisteredComponentsCount = Prefix + "getRegisteredComponentsCount";
 
-        public static readonly string GetId = Prefix + "getId";
+        public const string GetId = Prefix + "getId";
 
-        public static readonly string GetAssembly = Prefix + "getAssembly";
+        public const string GetAssembly = Prefix + "getAssembly";
 
-        public static readonly string GetTypeName = Prefix + "getTypeName";
+        public const string GetTypeName = Prefix + "getTypeName";
 
-        public static readonly string GetParameterDefinitions = Prefix + "getParameterDefinitions";
+        public const string GetParameterDefinitions = Prefix + "getParameterDefinitions";
 
-        public static readonly string GetParameterValues = Prefix + "getParameterValues";
+        public const string GetParameterValues = Prefix + "getParameterValues";
     }
 }

src/Components/WebAssembly/WebAssembly/src/Services/WebAssemblyConsoleLogger.cs

@@ -12,7 +12,7 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Services
 {
     internal class WebAssemblyConsoleLogger<T> : ILogger<T>, ILogger
     {
-        private static readonly string _loglevelPadding = ": ";
+        private const string _loglevelPadding = ": ";
         private static readonly string _messagePadding;
         private static readonly string _newLineWithMessagePadding;
         private static readonly StringBuilder _logBuilder = new StringBuilder();

src/FileProviders/Embedded/src/EmbeddedFileProvider.cs

@@ -45,7 +45,7 @@ public EmbeddedFileProvider(Assembly assembly, string? baseNamespace)
         {
             if (assembly == null)
             {
-                throw new ArgumentNullException("assembly");
+                throw new ArgumentNullException(nameof(assembly));
             }
 
             _baseNamespace = string.IsNullOrEmpty(baseNamespace) ? string.Empty : baseNamespace + ".";

src/FileProviders/Embedded/src/Manifest/ManifestParser.cs

@@ -13,7 +13,7 @@ namespace Microsoft.Extensions.FileProviders.Embedded.Manifest
 {
     internal static class ManifestParser
     {
-        private static readonly string DefaultManifestName = "Microsoft.Extensions.FileProviders.Embedded.Manifest.xml";
+        private const string DefaultManifestName = "Microsoft.Extensions.FileProviders.Embedded.Manifest.xml";
 
         public static EmbeddedFilesManifest Parse(Assembly assembly)
         {

src/FileProviders/Manifest.MSBuildTask/src/Manifest.cs

@@ -72,13 +72,13 @@ private XElement BuildNode(Entry entry)
 
         private class ElementNames
         {
-            public static readonly string Directory = "Directory";
-            public static readonly string Name = "Name";
-            public static readonly string FileSystem = "FileSystem";
-            public static readonly string Root = "Manifest";
-            public static readonly string File = "File";
-            public static readonly string ResourcePath = "ResourcePath";
-            public static readonly string ManifestVersion = "ManifestVersion";
+            public const string Directory = "Directory";
+            public const string Name = "Name";
+            public const string FileSystem = "FileSystem";
+            public const string Root = "Manifest";
+            public const string File = "File";
+            public const string ResourcePath = "ResourcePath";
+            public const string ManifestVersion = "ManifestVersion";
         }
     }
 }

src/HealthChecks/HealthChecks/src/DefaultHealthCheckService.cs

@@ -209,7 +209,7 @@ private static class Log
                 "Running health check {HealthCheckName}");
 
             // These are separate so they can have different log levels
-            private static readonly string HealthCheckEndText = "Health check {HealthCheckName} with status {HealthStatus} completed after {ElapsedMilliseconds}ms with message '{HealthCheckDescription}'";
+            private const string HealthCheckEndText = "Health check {HealthCheckName} with status {HealthStatus} completed after {ElapsedMilliseconds}ms with message '{HealthCheckDescription}'";
 
             private static readonly Action<ILogger, string, double, HealthStatus, string?, Exception?> _healthCheckEndHealthy = LoggerMessage.Define<string, double, HealthStatus, string?>(
                 LogLevel.Debug,
@@ -226,11 +226,6 @@ private static class Log
                 EventIds.HealthCheckEnd,
                 HealthCheckEndText);
 
-            private static readonly Action<ILogger, string, double, HealthStatus, string?, Exception?> _healthCheckEndFailed = LoggerMessage.Define<string, double, HealthStatus, string?>(
-                LogLevel.Error,
-                EventIds.HealthCheckEnd,
-                HealthCheckEndText);
-
             private static readonly Action<ILogger, string, double, Exception?> _healthCheckError = LoggerMessage.Define<string, double>(
                 LogLevel.Error,
                 EventIds.HealthCheckError,

src/Hosting/Hosting/src/Internal/WebHost.cs

@@ -25,7 +25,7 @@ namespace Microsoft.AspNetCore.Hosting
 {
     internal class WebHost : IWebHost, IAsyncDisposable
     {
-        private static readonly string DeprecatedServerUrlsKey = "server.urls";
+        private const string DeprecatedServerUrlsKey = "server.urls";
 
         private readonly IServiceCollection _applicationServiceCollection;
         private IStartup? _startup;

src/Http/Headers/src/HeaderUtilities.cs

@@ -16,7 +16,7 @@ namespace Microsoft.Net.Http.Headers
     /// </summary>
     public static class HeaderUtilities
     {
-        private static readonly int _qualityValueMaxCharCount = 10; // Little bit more permissive than RFC7231 5.3.1
+        private const int _qualityValueMaxCharCount = 10; // Little bit more permissive than RFC7231 5.3.1
         private const string QualityName = "q";
         internal const string BytesUnit = "bytes";
 

src/Http/Http.Abstractions/test/MapPathMiddlewareTests.cs

@@ -11,8 +11,6 @@ namespace Microsoft.AspNetCore.Builder.Extensions
 {
     public class MapPathMiddlewareTests
     {
-        private static readonly Action<IApplicationBuilder> ActionNotImplemented = new Action<IApplicationBuilder>(_ => { throw new NotImplementedException(); });
-
         private static Task Success(HttpContext context)
         {
             context.Response.StatusCode = 200;

src/Http/Http.Extensions/src/RequestDelegateFactory.cs

@@ -50,7 +50,6 @@ public static class RequestDelegateFactory
         private static readonly MemberExpression RouteValuesExpr = Expression.Property(HttpRequestExpr, nameof(HttpRequest.RouteValues));
         private static readonly MemberExpression QueryExpr = Expression.Property(HttpRequestExpr, nameof(HttpRequest.Query));
         private static readonly MemberExpression HeadersExpr = Expression.Property(HttpRequestExpr, nameof(HttpRequest.Headers));
-        private static readonly MemberExpression FormExpr = Expression.Property(HttpRequestExpr, nameof(HttpRequest.Form));
         private static readonly MemberExpression StatusCodeExpr = Expression.Property(HttpResponseExpr, nameof(HttpResponse.StatusCode));
         private static readonly MemberExpression CompletedTaskExpr = Expression.Property(null, (PropertyInfo)GetMemberInfo<Func<Task>>(() => Task.CompletedTask));
 

src/Http/Http/src/Features/ResponseCookiesFeature.cs

@@ -12,9 +12,6 @@ namespace Microsoft.AspNetCore.Http.Features
     /// </summary>
     public class ResponseCookiesFeature : IResponseCookiesFeature
     {
-        // Lambda hoisted to static readonly field to improve inlining https://github.com/dotnet/roslyn/issues/13624
-        private readonly static Func<IFeatureCollection, IHttpResponseFeature?> _nullResponseFeature = f => null;
-
         private readonly IFeatureCollection _features;
         private IResponseCookies? _cookiesCollection;
 

src/Http/Http/src/QueryCollection.cs

@@ -18,7 +18,6 @@ public class QueryCollection : IQueryCollection
         /// </summary>
         public static readonly QueryCollection Empty = new QueryCollection();
         private static readonly string[] EmptyKeys = Array.Empty<string>();
-        private static readonly StringValues[] EmptyValues = Array.Empty<StringValues>();
         private static readonly Enumerator EmptyEnumerator = new Enumerator();
         // Pre-box
         private static readonly IEnumerator<KeyValuePair<string, StringValues>> EmptyIEnumeratorType = EmptyEnumerator;

src/Http/Routing/src/Matching/HttpMethodMatcherPolicy.cs

@@ -20,8 +20,6 @@ namespace Microsoft.AspNetCore.Routing.Matching
     public sealed class HttpMethodMatcherPolicy : MatcherPolicy, IEndpointComparerPolicy, INodeBuilderPolicy, IEndpointSelectorPolicy
     {
         // Used in tests
-        internal static readonly string OriginHeader = "Origin";
-        internal static readonly string AccessControlRequestMethod = "Access-Control-Request-Method";
         internal static readonly string PreflightHttpMethod = HttpMethods.Options;
 
         // Used in tests

src/Http/Routing/src/Matching/ILEmitTrieJumpTable.cs

@@ -15,8 +15,6 @@ namespace Microsoft.AspNetCore.Routing.Matching
     // 2. The generated IL only supports ASCII in the URL path
     internal class ILEmitTrieJumpTable : JumpTable
     {
-        private const int NotAscii = int.MinValue;
-
         private readonly int _defaultDestination;
         private readonly int _exitDestination;
         private readonly (string text, int destination)[] _entries;
@@ -54,7 +52,7 @@ public override int GetDestination(string path, PathSegment segment)
         {
             return _getDestination(path, segment);
         }
-        
+
         // Used when we haven't yet initialized the IL trie. We defer compilation of the IL for startup
         // performance.
         private int FallbackGetDestination(string path, PathSegment segment)

src/Http/Routing/src/Matching/JumpTableBuilder.cs

@@ -8,7 +8,7 @@ namespace Microsoft.AspNetCore.Routing.Matching
 {
     internal static class JumpTableBuilder
     {
-        public static readonly int InvalidDestination = -1;
+        public const int InvalidDestination = -1;
 
         public static JumpTable Build(int defaultDestination, int exitDestination, (string text, int destination)[] pathEntries)
         {

src/Http/Routing/src/Patterns/RoutePatternMatcher.cs

@@ -13,15 +13,10 @@ namespace Microsoft.AspNetCore.Routing
 {
     internal class RoutePatternMatcher
     {
-        private const string SeparatorString = "/";
-        private const char SeparatorChar = '/';
-
         // Perf: This is a cache to avoid looking things up in 'Defaults' each request.
         private readonly bool[] _hasDefaultValue;
         private readonly object[] _defaultValues;
 
-        private static readonly char[] Delimiters = new char[] { SeparatorChar };
-
         public RoutePatternMatcher(
             RoutePattern pattern,
             RouteValueDictionary defaults)
@@ -83,7 +78,7 @@ public bool TryMatch(PathString path, RouteValueDictionary values)
             // The most common case would be a literal segment that doesn't match.
             //
             // On the second pass, we're almost certainly going to match the URL, so go ahead and allocate the 'values'
-            // and start capturing strings. 
+            // and start capturing strings.
             foreach (var stringSegment in pathTokenizer)
             {
                 if (stringSegment.Length == 0)
@@ -299,7 +294,7 @@ internal static bool MatchComplexSegment(
             var indexOfLastSegment = routeSegment.Parts.Count - 1;
 
             // We match the request to the template starting at the rightmost parameter
-            // If the last segment of template is optional, then request can match the 
+            // If the last segment of template is optional, then request can match the
             // template with or without the last parameter. So we start with regular matching,
             // but if it doesn't match, we start with next to last parameter. Example:
             // Template: {p1}/{p2}.{p3?}. If the request is one/two.three it will match right away
@@ -470,7 +465,7 @@ private static bool MatchComplexSegmentCore(
                     {
                         // If we're here that means we have a segment that contains multiple sub-segments.
                         // For these segments all parameters must have non-empty values. If the parameter
-                        // has an empty value it's not a match.                        
+                        // has an empty value it's not a match.
                         return false;
 
                     }