16845bae1d
* fix SA1505 and SA1508 * fix SA1116 * fix SA1009 * fix SA1019 * fix SA1127 * fix SA1128 * fix SA1134 * fix indent * allow CA2227 * fix CA1810 * using clean up * fix naming * fix CA1806 * fix await * Revert "fix CA1806" This reverts commit a3b465087fdaf26ec461272373ee9810a90de2cc. * fix dotnet format * allow SA1009
541 lines
21 KiB
C#
541 lines
21 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Net.Http.Headers;
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using System.Runtime.InteropServices;
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using System.Security.Cryptography;
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using System.Security.Cryptography.X509Certificates;
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using System.Text;
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using System.Threading.Tasks;
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using k8s.KubeConfigModels;
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using k8s.Models;
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using k8s.Tests.Mock;
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using Microsoft.AspNetCore.Hosting;
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using Microsoft.AspNetCore.Server.Kestrel.Https;
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using Microsoft.Rest;
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using Org.BouncyCastle.Crypto.Parameters;
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using Org.BouncyCastle.Pkcs;
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using Org.BouncyCastle.Security;
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using Xunit;
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using Xunit.Abstractions;
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namespace k8s.Tests
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{
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public class AuthTests
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{
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private readonly ITestOutputHelper testOutput;
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public AuthTests(ITestOutputHelper testOutput)
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{
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this.testOutput = testOutput;
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}
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private static HttpOperationResponse<V1PodList> ExecuteListPods(IKubernetes client)
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{
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return client.ListNamespacedPodWithHttpMessagesAsync("default").Result;
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}
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[Fact]
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public void Anonymous()
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{
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using (var server = new MockKubeApiServer(testOutput))
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{
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var client = new Kubernetes(new KubernetesClientConfiguration { Host = server.Uri.ToString() });
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var listTask = ExecuteListPods(client);
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Assert.True(listTask.Response.IsSuccessStatusCode);
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Assert.Equal(1, listTask.Body.Items.Count);
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}
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using (var server = new MockKubeApiServer(testOutput, cxt =>
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{
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cxt.Response.StatusCode = (int)HttpStatusCode.Unauthorized;
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return Task.FromResult(false);
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}))
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{
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var client = new Kubernetes(new KubernetesClientConfiguration { Host = server.Uri.ToString() });
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ShouldThrowUnauthorized(client);
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}
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}
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private static void PeelAggregate(Action testcode)
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{
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try
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{
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testcode();
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}
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catch (AggregateException e)
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{
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if (e.InnerExceptions.Count == 1)
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{
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throw e.InnerExceptions.First();
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}
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throw;
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}
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}
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[Fact]
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public void BasicAuth()
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{
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const string testName = "test_name";
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const string testPassword = "test_password";
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using (var server = new MockKubeApiServer(testOutput, cxt =>
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{
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var header = cxt.Request.Headers["Authorization"].FirstOrDefault();
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var expect = new AuthenticationHeaderValue(
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"Basic",
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Convert.ToBase64String(Encoding.UTF8.GetBytes($"{testName}:{testPassword}")))
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.ToString();
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if (header != expect)
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{
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cxt.Response.StatusCode = (int)HttpStatusCode.Unauthorized;
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return Task.FromResult(false);
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}
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return Task.FromResult(true);
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}))
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{
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{
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var client = new Kubernetes(new KubernetesClientConfiguration
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{
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Host = server.Uri.ToString(),
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Username = testName,
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Password = testPassword,
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});
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var listTask = ExecuteListPods(client);
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Assert.True(listTask.Response.IsSuccessStatusCode);
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Assert.Equal(1, listTask.Body.Items.Count);
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}
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{
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var client = new Kubernetes(new KubernetesClientConfiguration
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{
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Host = server.Uri.ToString(),
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Username = "wrong name",
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Password = testPassword,
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});
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ShouldThrowUnauthorized(client);
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}
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{
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var client = new Kubernetes(new KubernetesClientConfiguration
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{
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Host = server.Uri.ToString(),
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Username = testName,
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Password = "wrong password",
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});
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ShouldThrowUnauthorized(client);
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}
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{
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var client = new Kubernetes(new KubernetesClientConfiguration
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{
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Host = server.Uri.ToString(),
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Username = "both wrong",
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Password = "wrong password",
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});
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ShouldThrowUnauthorized(client);
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}
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{
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var client = new Kubernetes(new KubernetesClientConfiguration { Host = server.Uri.ToString() });
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ShouldThrowUnauthorized(client);
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}
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{
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var client = new Kubernetes(new KubernetesClientConfiguration
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{
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Host = server.Uri.ToString(),
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Username = "xx",
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});
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ShouldThrowUnauthorized(client);
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}
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}
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}
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#if NETCOREAPP2_1 // The functionality under test, here, is dependent on managed HTTP / WebSocket in .NET Core 2.1 or newer.
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// this test doesn't work on OSX and is inconsistent on windows
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[OperatingSystemDependentFact(Exclude = OperatingSystem.OSX | OperatingSystem.Windows)]
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public void Cert()
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{
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var serverCertificateData = File.ReadAllText("assets/apiserver-pfx-data.txt");
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var clientCertificateKeyData = File.ReadAllText("assets/client-key-data.txt");
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var clientCertificateData = File.ReadAllText("assets/client-certificate-data.txt");
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X509Certificate2 serverCertificate = null;
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if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
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{
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using (MemoryStream serverCertificateStream =
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new MemoryStream(Convert.FromBase64String(serverCertificateData)))
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{
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serverCertificate = OpenCertificateStore(serverCertificateStream);
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}
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}
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else
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{
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serverCertificate = new X509Certificate2(Convert.FromBase64String(serverCertificateData), "");
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}
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var clientCertificate = new X509Certificate2(Convert.FromBase64String(clientCertificateData), "");
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var clientCertificateValidationCalled = false;
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using (var server = new MockKubeApiServer(testOutput, listenConfigure: options =>
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{
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options.UseHttps(new HttpsConnectionAdapterOptions
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{
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ServerCertificate = serverCertificate,
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ClientCertificateMode = ClientCertificateMode.RequireCertificate,
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ClientCertificateValidation = (certificate, chain, valid) =>
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{
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clientCertificateValidationCalled = true;
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return clientCertificate.Equals(certificate);
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},
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});
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}))
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{
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{
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clientCertificateValidationCalled = false;
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var client = new Kubernetes(new KubernetesClientConfiguration
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{
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Host = server.Uri.ToString(),
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ClientCertificateData = clientCertificateData,
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ClientCertificateKeyData = clientCertificateKeyData,
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SslCaCerts = new X509Certificate2Collection(serverCertificate),
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SkipTlsVerify = false,
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});
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var listTask = ExecuteListPods(client);
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Assert.True(clientCertificateValidationCalled);
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Assert.True(listTask.Response.IsSuccessStatusCode);
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Assert.Equal(1, listTask.Body.Items.Count);
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}
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{
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clientCertificateValidationCalled = false;
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var client = new Kubernetes(new KubernetesClientConfiguration
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{
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Host = server.Uri.ToString(),
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ClientCertificateData = clientCertificateData,
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ClientCertificateKeyData = clientCertificateKeyData,
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SkipTlsVerify = true,
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});
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var listTask = ExecuteListPods(client);
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Assert.True(clientCertificateValidationCalled);
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Assert.True(listTask.Response.IsSuccessStatusCode);
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Assert.Equal(1, listTask.Body.Items.Count);
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}
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{
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clientCertificateValidationCalled = false;
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var client = new Kubernetes(new KubernetesClientConfiguration
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{
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Host = server.Uri.ToString(),
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ClientCertificateFilePath =
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"assets/client.crt", // TODO amazoning why client.crt != client-data.txt
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ClientKeyFilePath = "assets/client.key",
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SkipTlsVerify = true,
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});
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Assert.ThrowsAny<Exception>(() => ExecuteListPods(client));
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Assert.True(clientCertificateValidationCalled);
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}
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{
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clientCertificateValidationCalled = false;
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var client = new Kubernetes(new KubernetesClientConfiguration
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{
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Host = server.Uri.ToString(),
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SkipTlsVerify = true,
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});
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Assert.ThrowsAny<Exception>(() => ExecuteListPods(client));
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Assert.False(clientCertificateValidationCalled);
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}
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}
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}
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[OperatingSystemDependentFact(Exclude = OperatingSystem.OSX | OperatingSystem.Windows)]
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public void ExternalCertificate()
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{
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const string name = "testing_irrelevant";
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var serverCertificateData = Convert.FromBase64String(File.ReadAllText("assets/apiserver-pfx-data.txt"));
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var clientCertificateKeyData = Convert.FromBase64String(File.ReadAllText("assets/client-key-data.txt"));
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var clientCertificateData = Convert.FromBase64String(File.ReadAllText("assets/client-certificate-data.txt"));
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X509Certificate2 serverCertificate = null;
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if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
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{
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using (MemoryStream serverCertificateStream = new MemoryStream(serverCertificateData))
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{
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serverCertificate = OpenCertificateStore(serverCertificateStream);
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}
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}
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else
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{
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serverCertificate = new X509Certificate2(serverCertificateData, "");
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}
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var clientCertificate = new X509Certificate2(clientCertificateData, "");
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var clientCertificateValidationCalled = false;
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using (var server = new MockKubeApiServer(testOutput, listenConfigure: options =>
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{
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options.UseHttps(new HttpsConnectionAdapterOptions
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{
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ServerCertificate = serverCertificate,
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ClientCertificateMode = ClientCertificateMode.RequireCertificate,
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ClientCertificateValidation = (certificate, chain, valid) =>
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{
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clientCertificateValidationCalled = true;
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return clientCertificate.Equals(certificate);
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},
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});
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}))
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{
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{
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var clientCertificateText = Encoding.ASCII.GetString(clientCertificateData).Replace("\n", "\\n");
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var clientCertificateKeyText = Encoding.ASCII.GetString(clientCertificateKeyData).Replace("\n", "\\n");
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var responseJson = $"{{\"apiVersion\":\"testingversion\",\"status\":{{\"clientCertificateData\":\"{clientCertificateText}\",\"clientKeyData\":\"{clientCertificateKeyText}\"}}}}";
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var kubernetesConfig = GetK8SConfiguration(server.Uri.ToString(), responseJson, name);
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var clientConfig = KubernetesClientConfiguration.BuildConfigFromConfigObject(kubernetesConfig, name);
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var client = new Kubernetes(clientConfig);
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var listTask = ExecuteListPods(client);
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Assert.True(listTask.Response.IsSuccessStatusCode);
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Assert.Equal(1, listTask.Body.Items.Count);
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}
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{
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var clientCertificateText = File.ReadAllText("assets/client.crt").Replace("\n", "\\n");
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var clientCertificateKeyText = File.ReadAllText("assets/client.key").Replace("\n", "\\n");
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var responseJson = $"{{\"apiVersion\":\"testingversion\",\"status\":{{\"clientCertificateData\":\"{clientCertificateText}\",\"clientKeyData\":\"{clientCertificateKeyText}\"}}}}";
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var kubernetesConfig = GetK8SConfiguration(server.Uri.ToString(), responseJson, name);
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var clientConfig = KubernetesClientConfiguration.BuildConfigFromConfigObject(kubernetesConfig, name);
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var client = new Kubernetes(clientConfig);
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Assert.ThrowsAny<Exception>(() => ExecuteListPods(client));
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Assert.True(clientCertificateValidationCalled);
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}
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}
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}
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#endif // NETCOREAPP2_1
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[Fact]
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public void ExternalToken()
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{
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const string token = "testingtoken";
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const string name = "testing_irrelevant";
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using (var server = new MockKubeApiServer(testOutput, cxt =>
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{
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var header = cxt.Request.Headers["Authorization"].FirstOrDefault();
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var expect = new AuthenticationHeaderValue("Bearer", token).ToString();
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if (header != expect)
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{
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cxt.Response.StatusCode = (int)HttpStatusCode.Unauthorized;
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return Task.FromResult(false);
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}
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return Task.FromResult(true);
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}))
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{
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{
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var responseJson = $"{{\"apiVersion\":\"testingversion\",\"status\":{{\"token\":\"{token}\"}}}}";
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var kubernetesConfig = GetK8SConfiguration(server.Uri.ToString(), responseJson, name);
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var clientConfig = KubernetesClientConfiguration.BuildConfigFromConfigObject(kubernetesConfig, name);
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var client = new Kubernetes(clientConfig);
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var listTask = ExecuteListPods(client);
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Assert.True(listTask.Response.IsSuccessStatusCode);
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Assert.Equal(1, listTask.Body.Items.Count);
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}
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{
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var responseJson = "{\"apiVersion\":\"testingversion\",\"status\":{\"token\":\"wrong_token\"}}";
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var kubernetesConfig = GetK8SConfiguration(server.Uri.ToString(), responseJson, name);
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var clientConfig = KubernetesClientConfiguration.BuildConfigFromConfigObject(kubernetesConfig, name);
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var client = new Kubernetes(clientConfig);
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ShouldThrowUnauthorized(client);
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}
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}
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}
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[Fact]
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public void Token()
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{
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const string token = "testingtoken";
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using (var server = new MockKubeApiServer(testOutput, cxt =>
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{
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var header = cxt.Request.Headers["Authorization"].FirstOrDefault();
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var expect = new AuthenticationHeaderValue("Bearer", token).ToString();
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if (header != expect)
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{
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cxt.Response.StatusCode = (int)HttpStatusCode.Unauthorized;
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return Task.FromResult(false);
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}
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return Task.FromResult(true);
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}))
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{
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{
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var client = new Kubernetes(new KubernetesClientConfiguration
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{
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Host = server.Uri.ToString(),
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AccessToken = token,
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});
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var listTask = ExecuteListPods(client);
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Assert.True(listTask.Response.IsSuccessStatusCode);
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Assert.Equal(1, listTask.Body.Items.Count);
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}
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{
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var client = new Kubernetes(new KubernetesClientConfiguration
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{
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Host = server.Uri.ToString(),
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AccessToken = "wrong token",
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});
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ShouldThrowUnauthorized(client);
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}
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{
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var client = new Kubernetes(new KubernetesClientConfiguration
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{
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Host = server.Uri.ToString(),
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Username = "wrong name",
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Password = "same password",
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});
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ShouldThrowUnauthorized(client);
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}
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{
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var client = new Kubernetes(new KubernetesClientConfiguration { Host = server.Uri.ToString() });
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ShouldThrowUnauthorized(client);
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}
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}
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}
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private static void ShouldThrowUnauthorized(Kubernetes client)
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{
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try
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{
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PeelAggregate(() => ExecuteListPods(client));
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Assert.True(false, "should not be here");
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}
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catch (HttpOperationException e)
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{
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Assert.Equal(HttpStatusCode.Unauthorized, e.Response.StatusCode);
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}
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}
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private X509Certificate2 OpenCertificateStore(Stream stream)
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{
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Pkcs12Store store = new Pkcs12Store();
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store.Load(stream, new char[] { });
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var keyAlias = store.Aliases.Cast<string>().SingleOrDefault(a => store.IsKeyEntry(a));
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var key = (RsaPrivateCrtKeyParameters)store.GetKey(keyAlias).Key;
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var bouncyCertificate = store.GetCertificate(keyAlias).Certificate;
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var certificate = new X509Certificate2(DotNetUtilities.ToX509Certificate(bouncyCertificate));
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var parameters = DotNetUtilities.ToRSAParameters(key);
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RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
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rsa.ImportParameters(parameters);
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certificate = RSACertificateExtensions.CopyWithPrivateKey(certificate, rsa);
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return certificate;
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}
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private K8SConfiguration GetK8SConfiguration(string serverUri, string responseJson, string name)
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{
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const string username = "testinguser";
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var contexts = new List<Context>
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{
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new Context { Name = name, ContextDetails = new ContextDetails { Cluster = name, User = username } },
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};
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{
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var clusters = new List<Cluster>
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{
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new Cluster
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{
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Name = name,
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ClusterEndpoint = new ClusterEndpoint { SkipTlsVerify = true, Server = serverUri },
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},
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};
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var command = RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ? "cmd.exe" : "echo";
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if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
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{
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command = "printf";
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}
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var arguments = new string[] { };
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if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
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{
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arguments = new[] { "/c", "echo", responseJson };
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}
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if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
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{
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arguments = new[] { responseJson.Replace("\"", "\\\"") };
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}
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if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
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{
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arguments = new[] { "\"%s\"", responseJson.Replace("\"", "\\\"") };
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}
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var users = new List<User>
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{
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new User
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{
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Name = username,
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UserCredentials = new UserCredentials
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{
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ExternalExecution = new ExternalExecution
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{
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ApiVersion = "testingversion",
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Command = command,
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Arguments = arguments.ToList(),
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},
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},
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},
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};
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var kubernetesConfig = new K8SConfiguration { Clusters = clusters, Users = users, Contexts = contexts };
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return kubernetesConfig;
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}
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}
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}
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}
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