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HttpClientHandlerTest.ClientCertificates.cs
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HttpClientHandlerTest.ClientCertificates.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Collections.Generic;
using System.Net.Security;
using System.Net.Sockets;
using System.Net.Test.Common;
using System.Runtime.InteropServices;
using System.Security.Cryptography.X509Certificates;
using System.Threading.Tasks;
using Microsoft.DotNet.RemoteExecutor;
using Microsoft.DotNet.XUnitExtensions;
using Xunit;
using Xunit.Abstractions;
namespace System.Net.Http.Functional.Tests
{
using Configuration = System.Net.Test.Common.Configuration;
#if WINHTTPHANDLER_TEST
using HttpClientHandler = System.Net.Http.WinHttpClientHandler;
#endif
public abstract class HttpClientHandler_ClientCertificates_Test : HttpClientHandlerTestBase
{
public HttpClientHandler_ClientCertificates_Test(ITestOutputHelper output) : base(output) { }
[Fact]
public void ClientCertificateOptions_Default()
{
using (HttpClientHandler handler = CreateHttpClientHandler())
{
Assert.Equal(ClientCertificateOption.Manual, handler.ClientCertificateOptions);
}
}
[Theory]
[InlineData((ClientCertificateOption)2)]
[InlineData((ClientCertificateOption)(-1))]
public void ClientCertificateOptions_InvalidArg_ThrowsException(ClientCertificateOption option)
{
using (HttpClientHandler handler = CreateHttpClientHandler())
{
AssertExtensions.Throws<ArgumentOutOfRangeException>("value", () => handler.ClientCertificateOptions = option);
}
}
[Theory]
[InlineData(ClientCertificateOption.Automatic)]
[InlineData(ClientCertificateOption.Manual)]
public void ClientCertificateOptions_ValueArg_Roundtrips(ClientCertificateOption option)
{
using (HttpClientHandler handler = CreateHttpClientHandler())
{
handler.ClientCertificateOptions = option;
Assert.Equal(option, handler.ClientCertificateOptions);
}
}
[Fact]
public void ClientCertificates_ClientCertificateOptionsAutomatic_ThrowsException()
{
using (HttpClientHandler handler = CreateHttpClientHandler())
{
handler.ClientCertificateOptions = ClientCertificateOption.Automatic;
Assert.Throws<InvalidOperationException>(() => handler.ClientCertificates);
}
}
private HttpClient CreateHttpClientWithCert(X509Certificate2 cert)
{
HttpClientHandler handler = CreateHttpClientHandler(allowAllCertificates: true);
Assert.NotNull(cert);
handler.ClientCertificates.Add(cert);
Assert.True(handler.ClientCertificates.Contains(cert));
return CreateHttpClient(handler);
}
[ConditionalTheory]
[InlineData(1, true)]
[InlineData(2, true)]
[InlineData(3, false)]
public async Task Manual_CertificateOnlySentWhenValid_Success(int certIndex, bool serverExpectsClientCertificate)
{
// [ActiveIssue("https://github.com/dotnet/runtime/issues/69238")]
if (IsWinHttpHandler) throw new SkipTestException("https://github.com/dotnet/runtime/issues/69238");
var options = new LoopbackServer.Options { UseSsl = true };
X509Certificate2 GetClientCertificate(int certIndex) => certIndex switch
{
// This is a valid client cert since it has an EKU with a ClientAuthentication OID.
1 => Configuration.Certificates.GetClientCertificate(),
// This is a valid client cert since it has no EKU thus all usages are permitted.
2 => Configuration.Certificates.GetNoEKUCertificate(),
// This is an invalid client cert since it has an EKU but is missing ClientAuthentication OID.
3 => Configuration.Certificates.GetServerCertificate(),
_ => null
};
await LoopbackServer.CreateServerAsync(async (server, url) =>
{
using X509Certificate2 cert = GetClientCertificate(certIndex);
using HttpClient client = CreateHttpClientWithCert(cert);
await TestHelper.WhenAllCompletedOrAnyFailed(
client.GetStringAsync(url),
server.AcceptConnectionAsync(async connection =>
{
SslStream sslStream = Assert.IsType<SslStream>(connection.Stream);
if (serverExpectsClientCertificate)
{
_output.WriteLine(
"Client cert: {0}",
new X509Certificate2(sslStream.RemoteCertificate.Export(X509ContentType.Cert)).GetNameInfo(X509NameType.SimpleName, false));
Assert.Equal(cert, sslStream.RemoteCertificate);
}
else
{
Assert.Null(sslStream.RemoteCertificate);
}
await connection.ReadRequestHeaderAndSendResponseAsync(additionalHeaders: "Connection: close\r\n");
}));
}, options);
}
[OuterLoop("Uses GC and waits for finalizers")]
[Theory]
[InlineData(6, false)]
[InlineData(3, true)]
public async Task Manual_CertificateSentMatchesCertificateReceived_Success(
int numberOfRequests,
bool reuseClient) // validate behavior with and without connection pooling, which impacts client cert usage
{
var options = new LoopbackServer.Options { UseSsl = true };
async Task MakeAndValidateRequest(HttpClient client, LoopbackServer server, Uri url, X509Certificate2 cert)
{
await TestHelper.WhenAllCompletedOrAnyFailed(
client.GetStringAsync(url),
server.AcceptConnectionAsync(async connection =>
{
SslStream sslStream = Assert.IsType<SslStream>(connection.Stream);
Assert.Equal(cert, sslStream.RemoteCertificate);
await connection.ReadRequestHeaderAndSendResponseAsync(additionalHeaders: "Connection: close\r\n");
}));
};
await LoopbackServer.CreateServerAsync(async (server, url) =>
{
using (X509Certificate2 cert = Configuration.Certificates.GetClientCertificate())
{
if (reuseClient)
{
using (HttpClient client = CreateHttpClientWithCert(cert))
{
for (int i = 0; i < numberOfRequests; i++)
{
await MakeAndValidateRequest(client, server, url, cert);
GC.Collect();
GC.WaitForPendingFinalizers();
}
}
}
else
{
for (int i = 0; i < numberOfRequests; i++)
{
using (HttpClient client = CreateHttpClientWithCert(cert))
{
await MakeAndValidateRequest(client, server, url, cert);
}
GC.Collect();
GC.WaitForPendingFinalizers();
}
}
}
}, options);
}
[Theory]
[InlineData(ClientCertificateOption.Manual)]
[InlineData(ClientCertificateOption.Automatic)]
public async Task AutomaticOrManual_DoesntFailRegardlessOfWhetherClientCertsAreAvailable(ClientCertificateOption mode)
{
using (HttpClientHandler handler = CreateHttpClientHandler(allowAllCertificates: true))
using (HttpClient client = CreateHttpClient(handler))
{
handler.ClientCertificateOptions = mode;
await LoopbackServer.CreateServerAsync(async server =>
{
Task clientTask = client.GetStringAsync(server.Address);
Task serverTask = server.AcceptConnectionAsync(async connection =>
{
SslStream sslStream = Assert.IsType<SslStream>(connection.Stream);
await connection.ReadRequestHeaderAndSendResponseAsync();
});
await new Task[] { clientTask, serverTask }.WhenAllOrAnyFailed();
}, new LoopbackServer.Options { UseSsl = true });
}
}
}
}