|
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Buffers;
using System.Diagnostics;
using System.IO.Pipelines;
using System.Net.Security;
using System.Security;
using System.Security.Authentication;
using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
using Microsoft.AspNetCore.Connections;
using Microsoft.AspNetCore.Connections.Features;
using Microsoft.AspNetCore.Http.Features;
using Microsoft.AspNetCore.Internal;
using Microsoft.AspNetCore.Server.Kestrel.Core;
using Microsoft.AspNetCore.Server.Kestrel.Core.Features;
using Microsoft.AspNetCore.Server.Kestrel.Core.Internal;
using Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Infrastructure;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Logging.Abstractions;
namespace Microsoft.AspNetCore.Server.Kestrel.Https.Internal;
internal sealed class HttpsConnectionMiddleware
{
private const string EnableWindows81Http2 = "Microsoft.AspNetCore.Server.Kestrel.EnableWindows81Http2";
private static readonly bool _isWindowsVersionIncompatibleWithHttp2 = IsWindowsVersionIncompatibleWithHttp2();
private readonly ConnectionDelegate _next;
private readonly TimeSpan _handshakeTimeout;
private readonly ILogger<HttpsConnectionMiddleware> _logger;
private readonly Func<Stream, SslStream> _sslStreamFactory;
// The following fields are only set by HttpsConnectionAdapterOptions ctor.
private readonly HttpsConnectionAdapterOptions? _options;
private readonly KestrelMetrics _metrics;
private readonly SslStreamCertificateContext? _serverCertificateContext;
private readonly X509Certificate2? _serverCertificate;
private readonly Func<ConnectionContext, string?, X509Certificate2?>? _serverCertificateSelector;
// The following fields are only set by TlsHandshakeCallbackOptions ctor.
private readonly Func<TlsHandshakeCallbackContext, ValueTask<SslServerAuthenticationOptions>>? _tlsCallbackOptions;
private readonly object? _tlsCallbackOptionsState;
// Internal for testing
internal readonly HttpProtocols _httpProtocols;
// Pool for cancellation tokens that cancel the handshake
private readonly CancellationTokenSourcePool _ctsPool = new();
public HttpsConnectionMiddleware(ConnectionDelegate next, HttpsConnectionAdapterOptions options, HttpProtocols httpProtocols, KestrelMetrics metrics)
: this(next, options, httpProtocols, loggerFactory: NullLoggerFactory.Instance, metrics: metrics)
{
}
public HttpsConnectionMiddleware(ConnectionDelegate next, HttpsConnectionAdapterOptions options, HttpProtocols httpProtocols, ILoggerFactory loggerFactory, KestrelMetrics metrics)
{
ArgumentNullException.ThrowIfNull(options);
if (!options.HasServerCertificateOrSelector)
{
throw new ArgumentException(CoreStrings.ServerCertificateRequired, nameof(options));
}
_next = next;
_handshakeTimeout = options.HandshakeTimeout;
_logger = loggerFactory.CreateLogger<HttpsConnectionMiddleware>();
_metrics = metrics;
// Something similar to the following could allow us to remove more duplicate logic, but we need https://github.com/dotnet/runtime/issues/40402 to be fixed first.
//var sniOptionsSelector = new SniOptionsSelector("", new Dictionary<string, SniConfig> { { "*", new SniConfig() } }, new NoopCertificateConfigLoader(), options, options.HttpProtocols, _logger);
//_httpsOptionsCallback = SniOptionsSelector.OptionsCallback;
//_httpsOptionsCallbackState = sniOptionsSelector;
//_sslStreamFactory = s => new SslStream(s);
_options = options;
_httpProtocols = ValidateAndNormalizeHttpProtocols(httpProtocols, _logger);
// capture the certificate now so it can't be switched after validation
_serverCertificate = options.ServerCertificate;
_serverCertificateSelector = options.ServerCertificateSelector;
// If a selector is provided then ignore the cert, it may be a default cert.
if (_serverCertificateSelector != null)
{
// SslStream doesn't allow both.
_serverCertificate = null;
}
else
{
Debug.Assert(_serverCertificate != null);
EnsureCertificateIsAllowedForServerAuth(_serverCertificate, _logger);
var certificate = _serverCertificate;
if (!certificate.HasPrivateKey)
{
// SslStream historically has logic to deal with certificate missing private keys.
// By resolving the SslStreamCertificateContext eagerly, we circumvent this logic so
// try to resolve the certificate from the store if there's no private key in the cert.
certificate = LocateCertificateWithPrivateKey(certificate);
}
// This might be do blocking IO but it'll resolve the certificate chain up front before any connections are
// made to the server
_serverCertificateContext = SslStreamCertificateContext.Create(certificate, additionalCertificates: options.ServerCertificateChain);
}
var remoteCertificateValidationCallback = _options.ClientCertificateMode == ClientCertificateMode.NoCertificate ?
(RemoteCertificateValidationCallback?)null : RemoteCertificateValidationCallback;
_sslStreamFactory = s => new SslStream(s, leaveInnerStreamOpen: false, userCertificateValidationCallback: remoteCertificateValidationCallback);
}
internal HttpsConnectionMiddleware(
ConnectionDelegate next,
TlsHandshakeCallbackOptions tlsCallbackOptions,
ILoggerFactory loggerFactory,
KestrelMetrics metrics)
{
_next = next;
_handshakeTimeout = tlsCallbackOptions.HandshakeTimeout;
_logger = loggerFactory.CreateLogger<HttpsConnectionMiddleware>();
_metrics = metrics;
_tlsCallbackOptions = tlsCallbackOptions.OnConnection;
_tlsCallbackOptionsState = tlsCallbackOptions.OnConnectionState;
_httpProtocols = ValidateAndNormalizeHttpProtocols(tlsCallbackOptions.HttpProtocols, _logger);
_sslStreamFactory = s => new SslStream(s);
}
public async Task OnConnectionAsync(ConnectionContext context)
{
if (context.Features.Get<ITlsConnectionFeature>() != null)
{
await _next(context);
return;
}
var sslDuplexPipe = CreateSslDuplexPipe(
context.Transport,
context.Features.Get<IMemoryPoolFeature>()?.MemoryPool ?? MemoryPool<byte>.Shared);
var sslStream = sslDuplexPipe.Stream;
var feature = new Core.Internal.TlsConnectionFeature(sslStream, context);
// Set the mode if options were used. If the callback is used it will set the mode later.
feature.AllowDelayedClientCertificateNegotation =
_options?.ClientCertificateMode == ClientCertificateMode.DelayCertificate;
context.Features.Set<ITlsConnectionFeature>(feature);
context.Features.Set<ITlsHandshakeFeature>(feature);
context.Features.Set<ITlsApplicationProtocolFeature>(feature);
context.Features.Set<ISslStreamFeature>(feature);
context.Features.Set<SslStream>(sslStream); // Anti-pattern, but retain for back compat
var metricsContext = context.Features.GetRequiredFeature<IConnectionMetricsContextFeature>().MetricsContext;
var startTimestamp = Stopwatch.GetTimestamp();
try
{
using var cancellationTokenSource = _ctsPool.Rent();
cancellationTokenSource.CancelAfter(_handshakeTimeout);
if (_tlsCallbackOptions is null)
{
await DoOptionsBasedHandshakeAsync(context, sslStream, feature, cancellationTokenSource.Token);
}
else
{
var state = (this, context, feature, metricsContext);
await sslStream.AuthenticateAsServerAsync(ServerOptionsCallback, state, cancellationTokenSource.Token);
}
}
catch (OperationCanceledException ex)
{
RecordHandshakeFailed(_metrics, startTimestamp, Stopwatch.GetTimestamp(), metricsContext, ex);
_logger.AuthenticationTimedOut();
await sslStream.DisposeAsync();
return;
}
catch (IOException ex)
{
RecordHandshakeFailed(_metrics, startTimestamp, Stopwatch.GetTimestamp(), metricsContext, ex);
_logger.AuthenticationFailed(ex);
await sslStream.DisposeAsync();
return;
}
catch (AuthenticationException ex)
{
RecordHandshakeFailed(_metrics, startTimestamp, Stopwatch.GetTimestamp(), metricsContext, ex);
_logger.AuthenticationFailed(ex);
await sslStream.DisposeAsync();
return;
}
KestrelEventSource.Log.TlsHandshakeStop(context, feature);
_metrics.TlsHandshakeStop(metricsContext, startTimestamp, Stopwatch.GetTimestamp(), protocol: sslStream.SslProtocol);
_logger.HttpsConnectionEstablished(context.ConnectionId, sslStream.SslProtocol);
if (context.Features.Get<IConnectionMetricsTagsFeature>() is { } metricsTags)
{
if (KestrelMetrics.TryGetHandshakeProtocol(sslStream.SslProtocol, out var protocolName, out var protocolVersion))
{
if (protocolName != "tls")
{
metricsTags.Tags.Add(new KeyValuePair<string, object?>("tls.protocol.name", protocolName));
}
metricsTags.Tags.Add(new KeyValuePair<string, object?>("tls.protocol.version", protocolVersion));
}
}
var originalTransport = context.Transport;
try
{
context.Transport = sslDuplexPipe;
// Disposing the stream will dispose the sslDuplexPipe
await using (sslStream)
await using (sslDuplexPipe)
{
await _next(context);
// Dispose the inner stream (SslDuplexPipe) before disposing the SslStream
// as the duplex pipe can hit an ODE as it still may be writing.
}
}
finally
{
// Restore the original so that it gets closed appropriately
context.Transport = originalTransport;
}
static void RecordHandshakeFailed(KestrelMetrics metrics, long startTimestamp, long currentTimestamp, ConnectionMetricsContext metricsContext, Exception ex)
{
KestrelEventSource.Log.TlsHandshakeFailed(metricsContext.ConnectionContext.ConnectionId);
KestrelEventSource.Log.TlsHandshakeStop(metricsContext.ConnectionContext, null);
metrics.TlsHandshakeStop(metricsContext, startTimestamp, currentTimestamp, exception: ex);
}
}
// This logic is replicated from https://github.com/dotnet/runtime/blob/02b24db7cada5d5806c5cc513e61e44fb2a41944/src/libraries/System.Net.Security/src/System/Net/Security/SecureChannel.cs#L195-L262
// but with public APIs
private X509Certificate2 LocateCertificateWithPrivateKey(X509Certificate2 certificate)
{
Debug.Assert(!certificate.HasPrivateKey, "This should only be called with certificates that don't have a private key");
_logger.LocatingCertWithPrivateKey(certificate);
X509Store? OpenStore(StoreLocation storeLocation)
{
try
{
var store = new X509Store(StoreName.My, storeLocation);
store.Open(OpenFlags.ReadOnly);
return store;
}
catch (Exception exception) when (exception is CryptographicException || exception is SecurityException)
{
_logger.FailedToOpenStore(storeLocation, exception);
return null;
}
}
try
{
var store = OpenStore(StoreLocation.LocalMachine);
if (store != null)
{
using (store)
{
var certs = store.Certificates.Find(X509FindType.FindByThumbprint, certificate.Thumbprint, validOnly: false);
if (certs.Count > 0 && certs[0].HasPrivateKey)
{
_logger.FoundCertWithPrivateKey(certs[0], StoreLocation.LocalMachine);
return certs[0];
}
}
}
store = OpenStore(StoreLocation.CurrentUser);
if (store != null)
{
using (store)
{
var certs = store.Certificates.Find(X509FindType.FindByThumbprint, certificate.Thumbprint, validOnly: false);
if (certs.Count > 0 && certs[0].HasPrivateKey)
{
_logger.FoundCertWithPrivateKey(certs[0], StoreLocation.CurrentUser);
return certs[0];
}
}
}
}
catch (CryptographicException ex)
{
// Log as debug since this error is expected an swallowed
_logger.FailedToFindCertificateInStore(ex);
}
// Return the cert, and it will fail later
return certificate;
}
private Task DoOptionsBasedHandshakeAsync(ConnectionContext context, SslStream sslStream, Core.Internal.TlsConnectionFeature feature, CancellationToken cancellationToken)
{
Debug.Assert(_options != null, "Middleware must be created with options.");
// Adapt to the SslStream signature
ServerCertificateSelectionCallback? selector = null;
if (_serverCertificateSelector != null)
{
selector = (sender, name) =>
{
feature.HostName = name ?? string.Empty;
var cert = _serverCertificateSelector(context, name);
if (cert != null)
{
EnsureCertificateIsAllowedForServerAuth(cert, _logger);
}
return cert!;
};
}
var sslOptions = new SslServerAuthenticationOptions
{
ServerCertificate = _serverCertificate,
ServerCertificateContext = _serverCertificateContext,
ServerCertificateSelectionCallback = selector,
ClientCertificateRequired = _options.ClientCertificateMode == ClientCertificateMode.AllowCertificate
|| _options.ClientCertificateMode == ClientCertificateMode.RequireCertificate,
EnabledSslProtocols = _options.SslProtocols,
CertificateRevocationCheckMode = _options.CheckCertificateRevocation ? X509RevocationMode.Online : X509RevocationMode.NoCheck,
};
ConfigureAlpn(sslOptions, _httpProtocols);
_options.OnAuthenticate?.Invoke(context, sslOptions);
KestrelEventSource.Log.TlsHandshakeStart(context, sslOptions);
_metrics.TlsHandshakeStart(context.Features.GetRequiredFeature<IConnectionMetricsContextFeature>().MetricsContext);
return sslStream.AuthenticateAsServerAsync(sslOptions, cancellationToken);
}
internal static void ConfigureAlpn(SslServerAuthenticationOptions serverOptions, HttpProtocols httpProtocols)
{
serverOptions.ApplicationProtocols = new List<SslApplicationProtocol>();
// This is order sensitive
if ((httpProtocols & HttpProtocols.Http2) != 0)
{
serverOptions.ApplicationProtocols.Add(SslApplicationProtocol.Http2);
// https://tools.ietf.org/html/rfc7540#section-9.2.1
serverOptions.AllowRenegotiation = false;
}
if ((httpProtocols & HttpProtocols.Http1) != 0)
{
serverOptions.ApplicationProtocols.Add(SslApplicationProtocol.Http11);
}
}
internal static bool RemoteCertificateValidationCallback(
ClientCertificateMode clientCertificateMode,
Func<X509Certificate2, X509Chain?, SslPolicyErrors, bool>? clientCertificateValidation,
X509Certificate? certificate,
X509Chain? chain,
SslPolicyErrors sslPolicyErrors)
{
if (certificate == null)
{
return clientCertificateMode != ClientCertificateMode.RequireCertificate;
}
if (clientCertificateValidation == null)
{
if (sslPolicyErrors != SslPolicyErrors.None)
{
return false;
}
}
var certificate2 = ConvertToX509Certificate2(certificate);
if (certificate2 == null)
{
return false;
}
if (clientCertificateValidation != null)
{
if (!clientCertificateValidation(certificate2, chain, sslPolicyErrors))
{
return false;
}
}
return true;
}
private bool RemoteCertificateValidationCallback(object sender, X509Certificate? certificate, X509Chain? chain, SslPolicyErrors sslPolicyErrors)
{
Debug.Assert(_options != null, "Middleware must be created with options.");
return RemoteCertificateValidationCallback(_options.ClientCertificateMode, _options.ClientCertificateValidation, certificate, chain, sslPolicyErrors);
}
private SslDuplexPipe CreateSslDuplexPipe(IDuplexPipe transport, MemoryPool<byte> memoryPool)
{
StreamPipeReaderOptions inputPipeOptions = new StreamPipeReaderOptions
(
pool: memoryPool,
bufferSize: memoryPool.GetMinimumSegmentSize(),
minimumReadSize: memoryPool.GetMinimumAllocSize(),
leaveOpen: true,
useZeroByteReads: true
);
var outputPipeOptions = new StreamPipeWriterOptions
(
pool: memoryPool,
leaveOpen: true
);
return new SslDuplexPipe(transport, inputPipeOptions, outputPipeOptions, _sslStreamFactory);
}
private static async ValueTask<SslServerAuthenticationOptions> ServerOptionsCallback(SslStream sslStream, SslClientHelloInfo clientHelloInfo, object? state, CancellationToken cancellationToken)
{
var (middleware, context, feature, metricsContext) = (ValueTuple<HttpsConnectionMiddleware, ConnectionContext, Core.Internal.TlsConnectionFeature, ConnectionMetricsContext>)state!;
feature.HostName = clientHelloInfo.ServerName;
context.Features.Set(sslStream);
var callbackContext = new TlsHandshakeCallbackContext
{
Connection = context,
SslStream = sslStream,
State = middleware._tlsCallbackOptionsState,
CancellationToken = cancellationToken,
ClientHelloInfo = clientHelloInfo,
};
var sslOptions = await middleware._tlsCallbackOptions!(callbackContext);
feature.AllowDelayedClientCertificateNegotation = callbackContext.AllowDelayedClientCertificateNegotation;
// The callback didn't set ALPN so we will.
if (sslOptions.ApplicationProtocols == null)
{
ConfigureAlpn(sslOptions, middleware._httpProtocols);
}
KestrelEventSource.Log.TlsHandshakeStart(context, sslOptions);
middleware._metrics.TlsHandshakeStart(metricsContext);
return sslOptions;
}
internal static void EnsureCertificateIsAllowedForServerAuth(X509Certificate2 certificate, ILogger<HttpsConnectionMiddleware> logger)
{
if (!CertificateLoader.IsCertificateAllowedForServerAuth(certificate))
{
throw new InvalidOperationException(CoreStrings.FormatInvalidServerCertificateEku(certificate.Thumbprint));
}
else if (!CertificateLoader.DoesCertificateHaveASubjectAlternativeName(certificate))
{
logger.NoSubjectAlternativeName(certificate.Thumbprint);
}
}
private static X509Certificate2? ConvertToX509Certificate2(X509Certificate? certificate)
{
if (certificate == null)
{
return null;
}
if (certificate is X509Certificate2 cert2)
{
return cert2;
}
return new X509Certificate2(certificate);
}
internal static HttpProtocols ValidateAndNormalizeHttpProtocols(HttpProtocols httpProtocols, ILogger<HttpsConnectionMiddleware> logger)
{
// This configuration will always fail per-request, preemptively fail it here. See HttpConnection.SelectProtocol().
if (httpProtocols == HttpProtocols.Http2)
{
if (!TlsAlpn.IsSupported)
{
throw new NotSupportedException(CoreStrings.Http2NoTlsAlpn);
}
else if (_isWindowsVersionIncompatibleWithHttp2)
{
throw new NotSupportedException(CoreStrings.Http2NoTlsWin81);
}
}
else if (httpProtocols == HttpProtocols.Http1AndHttp2 && _isWindowsVersionIncompatibleWithHttp2)
{
logger.Http2DefaultCiphersInsufficient();
return HttpProtocols.Http1;
}
return httpProtocols;
}
private static bool IsWindowsVersionIncompatibleWithHttp2()
{
if (OperatingSystem.IsWindows())
{
var enableHttp2OnWindows81 = AppContext.TryGetSwitch(EnableWindows81Http2, out var enabled) && enabled;
if (Environment.OSVersion.Version < new Version(6, 3) // Missing ALPN support
// Win8.1 and 2012 R2 don't support the right cipher configuration by default.
|| (Environment.OSVersion.Version < new Version(10, 0) && !enableHttp2OnWindows81))
{
return true;
}
}
return false;
}
internal static SslServerAuthenticationOptions CreateHttp3Options(HttpsConnectionAdapterOptions httpsOptions, ILogger<HttpsConnectionMiddleware> logger)
{
if (httpsOptions.OnAuthenticate != null)
{
throw new NotSupportedException($"The {nameof(HttpsConnectionAdapterOptions.OnAuthenticate)} callback is not supported with HTTP/3.");
}
// TODO Set other relevant values on options
var sslServerAuthenticationOptions = new SslServerAuthenticationOptions
{
ServerCertificate = httpsOptions.ServerCertificate,
ApplicationProtocols = new List<SslApplicationProtocol>() { SslApplicationProtocol.Http3 },
CertificateRevocationCheckMode = httpsOptions.CheckCertificateRevocation ? X509RevocationMode.Online : X509RevocationMode.NoCheck,
};
if (httpsOptions.ServerCertificateSelector != null)
{
// We can't set both
sslServerAuthenticationOptions.ServerCertificate = null;
sslServerAuthenticationOptions.ServerCertificateSelectionCallback = (sender, host) =>
{
// There is no ConnectionContext available durring the QUIC handshake.
var cert = httpsOptions.ServerCertificateSelector(null, host);
if (cert != null)
{
EnsureCertificateIsAllowedForServerAuth(cert, logger);
}
return cert!;
};
}
// DelayCertificate is prohibited by the HTTP/2 and HTTP/3 protocols, ignore it here.
if (httpsOptions.ClientCertificateMode == ClientCertificateMode.AllowCertificate
|| httpsOptions.ClientCertificateMode == ClientCertificateMode.RequireCertificate)
{
sslServerAuthenticationOptions.ClientCertificateRequired = true; // We have to set this to prompt the client for a cert.
// For AllowCertificate we override the missing cert error in RemoteCertificateValidationCallback,
// except QuicListener doesn't call the callback for missing certs https://github.com/dotnet/runtime/issues/57308.
sslServerAuthenticationOptions.RemoteCertificateValidationCallback
= (object sender, X509Certificate? certificate, X509Chain? chain, SslPolicyErrors sslPolicyErrors) =>
RemoteCertificateValidationCallback(httpsOptions.ClientCertificateMode, httpsOptions.ClientCertificateValidation, certificate, chain, sslPolicyErrors);
}
return sslServerAuthenticationOptions;
}
}
internal static partial class HttpsConnectionMiddlewareLoggerExtensions
{
[LoggerMessage(1, LogLevel.Debug, "Failed to authenticate HTTPS connection.", EventName = "AuthenticationFailed")]
public static partial void AuthenticationFailed(this ILogger<HttpsConnectionMiddleware> logger, Exception exception);
[LoggerMessage(2, LogLevel.Debug, "Authentication of the HTTPS connection timed out.", EventName = "AuthenticationTimedOut")]
public static partial void AuthenticationTimedOut(this ILogger<HttpsConnectionMiddleware> logger);
[LoggerMessage(3, LogLevel.Debug, "Connection {ConnectionId} established using the following protocol: {Protocol}", EventName = "HttpsConnectionEstablished")]
public static partial void HttpsConnectionEstablished(this ILogger<HttpsConnectionMiddleware> logger, string connectionId, SslProtocols protocol);
[LoggerMessage(4, LogLevel.Information, "HTTP/2 over TLS is not supported on Windows versions older than Windows 10 and Windows Server 2016 due to incompatible ciphers or missing ALPN support. Falling back to HTTP/1.1 instead.",
EventName = "Http2DefaultCiphersInsufficient")]
public static partial void Http2DefaultCiphersInsufficient(this ILogger<HttpsConnectionMiddleware> logger);
[LoggerMessage(5, LogLevel.Debug, "Searching for certificate with private key and thumbprint {Thumbprint} in the certificate store.", EventName = "LocateCertWithPrivateKey")]
private static partial void LocatingCertWithPrivateKey(this ILogger<HttpsConnectionMiddleware> logger, string thumbPrint);
public static void LocatingCertWithPrivateKey(this ILogger<HttpsConnectionMiddleware> logger, X509Certificate2 certificate) => LocatingCertWithPrivateKey(logger, certificate.Thumbprint);
[LoggerMessage(6, LogLevel.Debug, "Found certificate with private key and thumbprint {Thumbprint} in certificate store {StoreName}.", EventName = "FoundCertWithPrivateKey")]
public static partial void FoundCertWithPrivateKey(this ILogger<HttpsConnectionMiddleware> logger, string thumbprint, string? storeName);
public static void FoundCertWithPrivateKey(this ILogger<HttpsConnectionMiddleware> logger, X509Certificate2 certificate, StoreLocation storeLocation)
{
var storeLocationString = storeLocation == StoreLocation.LocalMachine ? nameof(StoreLocation.LocalMachine) : nameof(StoreLocation.CurrentUser);
FoundCertWithPrivateKey(logger, certificate.Thumbprint, storeLocationString);
}
[LoggerMessage(7, LogLevel.Debug, "Failure to locate certificate from store.", EventName = "FailToLocateCertificate")]
public static partial void FailedToFindCertificateInStore(this ILogger<HttpsConnectionMiddleware> logger, Exception exception);
[LoggerMessage(8, LogLevel.Debug, "Failed to open certificate store {StoreName}.", EventName = "FailToOpenStore")]
public static partial void FailedToOpenStore(this ILogger<HttpsConnectionMiddleware> logger, string? storeName, Exception exception);
[LoggerMessage(9, LogLevel.Information, "Certificate with thumbprint {Thumbprint} lacks the subjectAlternativeName (SAN) extension and may not be accepted by browsers.", EventName = "NoSubjectAlternativeName")]
public static partial void NoSubjectAlternativeName(this ILogger<HttpsConnectionMiddleware> logger, string thumbprint);
public static void FailedToOpenStore(this ILogger<HttpsConnectionMiddleware> logger, StoreLocation storeLocation, Exception exception)
{
var storeLocationString = storeLocation == StoreLocation.LocalMachine ? nameof(StoreLocation.LocalMachine) : nameof(StoreLocation.CurrentUser);
FailedToOpenStore(logger, storeLocationString, exception);
}
}
|