787 lines
33 KiB
C#
787 lines
33 KiB
C#
// Copyright (C) 2025, The Duplicati Team
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// https://duplicati.com, hello@duplicati.com
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#nullable enable
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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.Security.Cryptography;
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using System.Security.Cryptography.X509Certificates;
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using System.Threading.Tasks;
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using Duplicati.Library.AutoUpdater;
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using Duplicati.Library.Certificates;
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using Duplicati.Library.RestAPI.Database;
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using Duplicati.Library.SQLiteHelper;
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using Duplicati.Server.Database;
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using NUnit.Framework;
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using Assert = NUnit.Framework.Legacy.ClassicAssert;
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namespace Duplicati.UnitTest;
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/// <summary>
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/// Integration tests for HTTPS certificate configuration.
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/// Tests the end-to-end flow of certificate generation, storage, renewal, and server integration.
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/// </summary>
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[TestFixture]
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[Category("HTTPSConfiguration")]
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public class HttpsConfigurationTests
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{
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private string _tempDataFolder = null!;
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private string _databasePath = null!;
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private Connection _connection = null!;
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[SetUp]
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public async Task SetUp()
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{
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// Create a temporary folder for test data
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_tempDataFolder = Path.Combine(Path.GetTempPath(), $"duplicati-test-{Guid.NewGuid()}");
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Directory.CreateDirectory(_tempDataFolder);
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_databasePath = Path.Combine(_tempDataFolder, DataFolderManager.SERVER_DATABASE_FILENAME);
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// Create a new test database
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await CreateTestDatabaseAsync(_databasePath);
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// Open the database connection
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var dbConnection = await SQLiteLoader.LoadConnectionAsync(_databasePath);
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_connection = new Connection(dbConnection, true, null, _tempDataFolder, () => { });
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}
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[TearDown]
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public void TearDown()
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{
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_connection?.Dispose();
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// Clean up temp folder
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if (Directory.Exists(_tempDataFolder))
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{
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try
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{
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Directory.Delete(_tempDataFolder, true);
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}
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catch
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{
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// Best effort cleanup
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}
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}
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}
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/// <summary>
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/// Creates a minimal test database for integration testing.
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/// </summary>
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private static async Task CreateTestDatabaseAsync(string databasePath)
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{
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var dbConnection = await SQLiteLoader.LoadConnectionAsync(databasePath);
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// Use DatabaseUpgrader to create the schema from embedded resources
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DatabaseUpgrader.UpgradeDatabase(dbConnection, databasePath, typeof(DatabaseSchemaMarker));
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dbConnection.Dispose();
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}
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#region Certificate Generation and Storage Tests
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[Test]
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public void GenerateAndStoreCertificates_StoresValidCertificatesInDatabase()
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{
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// Act
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var hostnames = new[] { "localhost", "127.0.0.1" };
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var caPair = CertificateGenerator.GenerateCACertificate();
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var serverPair = CertificateGenerator.GenerateServerCertificate(
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caPair.Certificate,
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caPair.PrivateKey,
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hostnames);
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var pfxPassword = "test-password-123";
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var pfxBytes = CertificateGenerator.CreatePfxBundle(serverPair, caPair, pfxPassword);
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var pfxBase64 = Convert.ToBase64String(pfxBytes);
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var (caCertBase64, caKeyEncrypted) = CertificateStorageHelper.SerializeCACertificatePair(caPair, pfxPassword);
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// Store in database
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var settings = new Dictionary<string, string?>
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{
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE] = caCertBase64,
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE_KEY] = caKeyEncrypted,
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE_PASSWORD] = pfxPassword,
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATE] = pfxBase64,
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATEPASSWORD] = pfxPassword,
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATE_AUTOGENERATED] = "true"
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};
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_connection.ApplicationSettings.UpdateSettings(settings, false);
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// Assert - Verify stored values
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Assert.IsNotNull(_connection.ApplicationSettings.ServerCACertificate);
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Assert.IsNotNull(_connection.ApplicationSettings.ServerCACertificateKey);
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Assert.IsNotNull(_connection.ApplicationSettings.ServerCACertificatePassword);
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Assert.IsNotNull(_connection.ApplicationSettings.ServerSSLCertificate);
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Assert.IsTrue(_connection.ApplicationSettings.ServerSSLCertificateAutogenerated);
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// Verify certificate can be loaded and is valid
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var loadedCertCollection = _connection.ApplicationSettings.ServerSSLCertificate;
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Assert.IsNotNull(loadedCertCollection);
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Assert.That(loadedCertCollection!.Count, Is.GreaterThan(0));
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var serverCert = loadedCertCollection.Cast<X509Certificate2>().FirstOrDefault(c => c.HasPrivateKey);
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Assert.IsNotNull(serverCert);
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Assert.IsTrue(serverCert!.HasPrivateKey);
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Assert.That(serverCert.NotAfter, Is.GreaterThan(DateTime.Now));
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}
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[Test]
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public void StoreAndRetrieveCAData_RoundTripsCorrectly()
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{
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// Arrange
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var caPair = CertificateGenerator.GenerateCACertificate();
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var password = "test-password-456";
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// Act
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var (caCertBase64, caKeyEncrypted) = CertificateStorageHelper.SerializeCACertificatePair(caPair, password);
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var settings = new Dictionary<string, string?>
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{
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE] = caCertBase64,
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE_KEY] = caKeyEncrypted,
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE_PASSWORD] = password
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};
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_connection.ApplicationSettings.UpdateSettings(settings, false);
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// Retrieve from settings (API changed - RetrieveCAData removed)
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var retrievedCert = _connection.ApplicationSettings.ServerCACertificate;
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var retrievedKey = _connection.ApplicationSettings.ServerCACertificateKey;
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var retrievedPassword = _connection.ApplicationSettings.ServerCACertificatePassword;
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// Assert
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Assert.IsNotNull(retrievedCert);
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Assert.IsNotNull(retrievedKey);
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Assert.IsNotNull(retrievedPassword);
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// Verify can be deserialized
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var deserializedCa = CertificateStorageHelper.DeserializeCACertificatePair(
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retrievedCert!,
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retrievedKey!,
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retrievedPassword!);
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Assert.AreEqual(caPair.Certificate.Thumbprint, deserializedCa.Certificate.Thumbprint);
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}
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[Test]
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public void UseHTTPS_WithValidCertificates_ReturnsTrue()
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{
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// Arrange - Store valid certificates
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var caPair = CertificateGenerator.GenerateCACertificate();
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var serverPair = CertificateGenerator.GenerateServerCertificate(
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caPair.Certificate,
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caPair.PrivateKey,
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new[] { "localhost" });
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var pfxPassword = "test-password-789";
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var pfxBytes = CertificateGenerator.CreatePfxBundle(serverPair, caPair, pfxPassword);
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var settings = new Dictionary<string, string?>
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{
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATE] = Convert.ToBase64String(pfxBytes),
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATEPASSWORD] = pfxPassword,
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[ServerSettings.CONST.SERVER_DISABLE_HTTPS] = "false"
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};
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_connection.ApplicationSettings.UpdateSettings(settings, false);
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// Act & Assert
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Assert.IsTrue(_connection.ApplicationSettings.UseHTTPS);
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}
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[Test]
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public void UseHTTPS_WithDisableHttpsFlag_ReturnsFalse()
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{
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// Arrange - Store valid certificates but disable HTTPS
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var caPair = CertificateGenerator.GenerateCACertificate();
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var serverPair = CertificateGenerator.GenerateServerCertificate(
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caPair.Certificate,
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caPair.PrivateKey,
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new[] { "localhost" });
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var pfxPassword = "test-password-abc";
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var pfxBytes = CertificateGenerator.CreatePfxBundle(serverPair, caPair, pfxPassword);
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var settings = new Dictionary<string, string?>
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{
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATE] = Convert.ToBase64String(pfxBytes),
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATEPASSWORD] = pfxPassword,
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[ServerSettings.CONST.SERVER_DISABLE_HTTPS] = "true"
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};
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_connection.ApplicationSettings.UpdateSettings(settings, false);
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// Act & Assert
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Assert.IsFalse(_connection.ApplicationSettings.UseHTTPS);
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}
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[Test]
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public void UseHTTPS_WithoutCertificates_ReturnsFalse()
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{
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// Arrange - No certificates stored
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Assert.IsNull(_connection.ApplicationSettings.ServerSSLCertificate);
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// Act & Assert
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Assert.IsFalse(_connection.ApplicationSettings.UseHTTPS);
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}
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#endregion
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#region Auto-Renewal Tests
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[Test]
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public void CertificateRenewalChecker_HasValidCertificates_WithValidCert_ReturnsTrue()
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{
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// Arrange - Store valid certificates
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var caPair = CertificateGenerator.GenerateCACertificate();
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var serverPair = CertificateGenerator.GenerateServerCertificate(
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caPair.Certificate,
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caPair.PrivateKey,
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new[] { "localhost" });
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var pfxPassword = "renewal-test-1";
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var pfxBytes = CertificateGenerator.CreatePfxBundle(serverPair, caPair, pfxPassword);
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var (caCertBase64, caKeyEncrypted) = CertificateStorageHelper.SerializeCACertificatePair(caPair, pfxPassword);
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var settings = new Dictionary<string, string?>
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{
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE] = caCertBase64,
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE_KEY] = caKeyEncrypted,
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE_PASSWORD] = pfxPassword,
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATE] = Convert.ToBase64String(pfxBytes),
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATEPASSWORD] = pfxPassword,
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATE_AUTOGENERATED] = "true"
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};
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_connection.ApplicationSettings.UpdateSettings(settings, false);
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// Act - New API signature: pass parameters directly instead of Connection
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var caData = new CACertificateData
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{
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CACertificate = caCertBase64,
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CAKey = caKeyEncrypted,
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CAPassword = pfxPassword
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};
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var serverCert = _connection.ApplicationSettings.ServerSSLCertificate;
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var isAutogenerated = _connection.ApplicationSettings.ServerSSLCertificateAutogenerated;
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var hasValidCerts = CertificateRenewalChecker.HasValidCertificates(isAutogenerated, serverCert, caData);
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// Assert
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Assert.IsTrue(hasValidCerts);
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}
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[Test]
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public void CertificateRenewalChecker_HasValidCertificates_WithExpiringCert_ReturnsFalse()
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{
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// Arrange - Create an expired certificate by manipulating validity dates is not possible
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// with the current generator, so we use reflection to create a mock expired certificate
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// or we test the IsExpiringSoon method directly
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var caPair = CertificateGenerator.GenerateCACertificate();
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// Create a certificate with short validity to simulate near-expiry
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var serverPair = CertificateGenerator.GenerateServerCertificate(
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caPair.Certificate,
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caPair.PrivateKey,
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new[] { "localhost" });
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// The certificate should not be expiring soon (it's newly created)
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Assert.IsFalse(CertificateGenerator.IsExpiringSoon(serverPair.Certificate, 30));
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}
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[Test]
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public void CertificateRenewalChecker_HasValidCertificates_NonAutogenerated_ReturnsFalse()
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{
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// Arrange - Store certificates but mark as not autogenerated
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var caPair = CertificateGenerator.GenerateCACertificate();
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var serverPair = CertificateGenerator.GenerateServerCertificate(
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caPair.Certificate,
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caPair.PrivateKey,
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new[] { "localhost" });
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var pfxPassword = "renewal-test-2";
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var pfxBytes = CertificateGenerator.CreatePfxBundle(serverPair, caPair, pfxPassword);
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var (caCertBase64, caKeyEncrypted) = CertificateStorageHelper.SerializeCACertificatePair(caPair, pfxPassword);
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var settings = new Dictionary<string, string?>
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{
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE] = caCertBase64,
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE_KEY] = caKeyEncrypted,
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE_PASSWORD] = pfxPassword,
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATE] = Convert.ToBase64String(pfxBytes),
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATEPASSWORD] = pfxPassword,
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATE_AUTOGENERATED] = "false" // Not autogenerated
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};
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_connection.ApplicationSettings.UpdateSettings(settings, false);
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// Act - New API signature: pass parameters directly instead of Connection
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var caData = new CACertificateData
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{
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CACertificate = caCertBase64,
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CAKey = caKeyEncrypted,
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CAPassword = pfxPassword
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};
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var serverCert = _connection.ApplicationSettings.ServerSSLCertificate;
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var isAutogenerated = _connection.ApplicationSettings.ServerSSLCertificateAutogenerated;
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var hasValidCerts = CertificateRenewalChecker.HasValidCertificates(isAutogenerated, serverCert, caData);
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// Assert - Should return false for non-autogenerated certs
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Assert.IsFalse(hasValidCerts);
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}
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[Test]
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public void CheckAndRenewIfNeeded_WithExpiringCertificate_PerformsRenewal()
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{
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// Arrange - Store valid certificates
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var caPair = CertificateGenerator.GenerateCACertificate();
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var serverPair = CertificateGenerator.GenerateServerCertificate(
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caPair.Certificate,
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caPair.PrivateKey,
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new[] { "localhost" });
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var pfxPassword = "renewal-test-3";
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var pfxBytes = CertificateGenerator.CreatePfxBundle(serverPair, caPair, pfxPassword);
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var (caCertBase64, caKeyEncrypted) = CertificateStorageHelper.SerializeCACertificatePair(caPair, pfxPassword);
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var settings = new Dictionary<string, string?>
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{
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE] = caCertBase64,
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE_KEY] = caKeyEncrypted,
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE_PASSWORD] = pfxPassword,
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATE] = Convert.ToBase64String(pfxBytes),
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATEPASSWORD] = pfxPassword,
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATE_AUTOGENERATED] = "true"
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};
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_connection.ApplicationSettings.UpdateSettings(settings, false);
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var originalThumbprint = serverPair.Certificate.Thumbprint;
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// Act - Try renewal (won't actually renew since cert is not expiring)
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// New API signature: pass parameters directly instead of Connection
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var caData = new CACertificateData
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{
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CACertificate = caCertBase64,
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CAKey = caKeyEncrypted,
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CAPassword = pfxPassword
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};
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var serverCert = _connection.ApplicationSettings.ServerSSLCertificate;
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var isAutogenerated = _connection.ApplicationSettings.ServerSSLCertificateAutogenerated;
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var result = CertificateRenewalChecker.CheckAndRenewIfNeeded(isAutogenerated, serverCert, caData);
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// Assert - Should not renew since certificate is new (return type is now CertificateRenewalResult)
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Assert.IsFalse(result.Renewed);
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Assert.IsNull(result.RenewedCertificate);
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// Verify original certificate is still in place
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var currentCert = _connection.ApplicationSettings.ServerSSLCertificate;
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var currentThumbprint = currentCert!.Cast<X509Certificate2>().First(c => c.HasPrivateKey).Thumbprint;
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Assert.AreEqual(originalThumbprint, currentThumbprint);
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}
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#endregion
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#region CA Regeneration Tests
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[Test]
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public void RegenerateCA_StoresNewCertificatesAndPreservesCAData()
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{
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// Arrange - First generation
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var originalCaPair = CertificateGenerator.GenerateCACertificate();
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var originalServerPair = CertificateGenerator.GenerateServerCertificate(
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originalCaPair.Certificate,
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originalCaPair.PrivateKey,
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new[] { "localhost" });
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var originalPassword = "original-password";
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var originalPfxBytes = CertificateGenerator.CreatePfxBundle(originalServerPair, originalCaPair, originalPassword);
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var (originalCaCert, originalCaKey) = CertificateStorageHelper.SerializeCACertificatePair(originalCaPair, originalPassword);
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var settings = new Dictionary<string, string?>
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{
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE] = originalCaCert,
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE_KEY] = originalCaKey,
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE_PASSWORD] = originalPassword,
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATE] = Convert.ToBase64String(originalPfxBytes),
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATEPASSWORD] = originalPassword,
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATE_AUTOGENERATED] = "true"
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};
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_connection.ApplicationSettings.UpdateSettings(settings, false);
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var originalThumbprint = originalCaPair.Certificate.Thumbprint;
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// Act - Simulate CA regeneration by generating new certificates
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var newCaPair = CertificateGenerator.GenerateCACertificate();
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var newServerPair = CertificateGenerator.GenerateServerCertificate(
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newCaPair.Certificate,
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newCaPair.PrivateKey,
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new[] { "localhost", "example.com" });
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var newPassword = "new-password";
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var newPfxBytes = CertificateGenerator.CreatePfxBundle(newServerPair, newCaPair, newPassword);
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var (newCaCert, newCaKey) = CertificateStorageHelper.SerializeCACertificatePair(newCaPair, newPassword);
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var newSettings = new Dictionary<string, string?>
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{
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE] = newCaCert,
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE_KEY] = newCaKey,
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[ServerSettings.CONST.SERVER_CA_CERTIFICATE_PASSWORD] = newPassword,
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATE] = Convert.ToBase64String(newPfxBytes),
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATEPASSWORD] = newPassword,
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[ServerSettings.CONST.SERVER_SSL_CERTIFICATE_AUTOGENERATED] = "true"
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};
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_connection.ApplicationSettings.UpdateSettings(newSettings, false);
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// Assert - Verify new CA is different
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var retrievedCa = _connection.ApplicationSettings.ServerCACertificate;
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Assert.IsNotNull(retrievedCa);
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var loadedCa = CertificateStorageHelper.DeserializeCertificate(retrievedCa!);
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Assert.AreNotEqual(originalThumbprint, loadedCa.Thumbprint);
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// Verify new server cert has additional hostname
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var serverCert = _connection.ApplicationSettings.ServerSSLCertificate;
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Assert.IsNotNull(serverCert);
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var cert = serverCert!.Cast<X509Certificate2>().First(c => c.HasPrivateKey);
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var sanExt = cert.Extensions["2.5.29.17"] as X509SubjectAlternativeNameExtension;
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Assert.IsNotNull(sanExt);
|
|
Assert.That(sanExt!.EnumerateDnsNames(), Contains.Item("example.com"));
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Database Integration Tests
|
|
|
|
[Test]
|
|
public void RemoveCertificates_ClearsAllCertificateData()
|
|
{
|
|
// Arrange - Store certificates
|
|
var caPair = CertificateGenerator.GenerateCACertificate();
|
|
var serverPair = CertificateGenerator.GenerateServerCertificate(
|
|
caPair.Certificate,
|
|
caPair.PrivateKey,
|
|
new[] { "localhost" });
|
|
|
|
var pfxPassword = "remove-test";
|
|
var pfxBytes = CertificateGenerator.CreatePfxBundle(serverPair, caPair, pfxPassword);
|
|
var (caCert, caKey) = CertificateStorageHelper.SerializeCACertificatePair(caPair, pfxPassword);
|
|
|
|
var settings = new Dictionary<string, string?>
|
|
{
|
|
[ServerSettings.CONST.SERVER_CA_CERTIFICATE] = caCert,
|
|
[ServerSettings.CONST.SERVER_CA_CERTIFICATE_KEY] = caKey,
|
|
[ServerSettings.CONST.SERVER_CA_CERTIFICATE_PASSWORD] = pfxPassword,
|
|
[ServerSettings.CONST.SERVER_SSL_CERTIFICATE] = Convert.ToBase64String(pfxBytes),
|
|
[ServerSettings.CONST.SERVER_SSL_CERTIFICATEPASSWORD] = pfxPassword,
|
|
[ServerSettings.CONST.SERVER_SSL_CERTIFICATE_AUTOGENERATED] = "true"
|
|
};
|
|
|
|
_connection.ApplicationSettings.UpdateSettings(settings, false);
|
|
|
|
// Verify certificates exist
|
|
Assert.IsNotNull(_connection.ApplicationSettings.ServerCACertificate);
|
|
Assert.IsNotNull(_connection.ApplicationSettings.ServerSSLCertificate);
|
|
|
|
// Act - Remove all certificate data
|
|
var removeSettings = new Dictionary<string, string?>
|
|
{
|
|
[ServerSettings.CONST.SERVER_CA_CERTIFICATE] = null,
|
|
[ServerSettings.CONST.SERVER_CA_CERTIFICATE_KEY] = null,
|
|
[ServerSettings.CONST.SERVER_CA_CERTIFICATE_PASSWORD] = null,
|
|
[ServerSettings.CONST.SERVER_SSL_CERTIFICATE] = null,
|
|
[ServerSettings.CONST.SERVER_SSL_CERTIFICATEPASSWORD] = null,
|
|
[ServerSettings.CONST.SERVER_SSL_CERTIFICATE_AUTOGENERATED] = null
|
|
};
|
|
|
|
_connection.ApplicationSettings.UpdateSettings(removeSettings, false);
|
|
|
|
// Assert - All certificate data should be cleared
|
|
Assert.IsNull(_connection.ApplicationSettings.ServerCACertificate);
|
|
Assert.IsNull(_connection.ApplicationSettings.ServerCACertificateKey);
|
|
Assert.IsNull(_connection.ApplicationSettings.ServerCACertificatePassword);
|
|
Assert.IsNull(_connection.ApplicationSettings.ServerSSLCertificate);
|
|
Assert.IsFalse(_connection.ApplicationSettings.ServerSSLCertificateAutogenerated);
|
|
}
|
|
|
|
[Test]
|
|
public void CertificateStorage_WithEncryptedFieldsEnabled_StoresSecurely()
|
|
{
|
|
// Note: This test verifies the database structure supports encrypted fields.
|
|
// Full encryption testing requires a database initialized with encryption key.
|
|
|
|
// Arrange & Act - Store certificates
|
|
var caPair = CertificateGenerator.GenerateCACertificate();
|
|
var serverPair = CertificateGenerator.GenerateServerCertificate(
|
|
caPair.Certificate,
|
|
caPair.PrivateKey,
|
|
new[] { "localhost" });
|
|
|
|
var pfxPassword = "encryption-test";
|
|
var pfxBytes = CertificateGenerator.CreatePfxBundle(serverPair, caPair, pfxPassword);
|
|
var (caCert, caKey) = CertificateStorageHelper.SerializeCACertificatePair(caPair, pfxPassword);
|
|
|
|
var settings = new Dictionary<string, string?>
|
|
{
|
|
[ServerSettings.CONST.SERVER_CA_CERTIFICATE] = caCert,
|
|
[ServerSettings.CONST.SERVER_CA_CERTIFICATE_KEY] = caKey,
|
|
[ServerSettings.CONST.SERVER_CA_CERTIFICATE_PASSWORD] = pfxPassword,
|
|
[ServerSettings.CONST.SERVER_SSL_CERTIFICATE] = Convert.ToBase64String(pfxBytes),
|
|
[ServerSettings.CONST.SERVER_SSL_CERTIFICATEPASSWORD] = pfxPassword,
|
|
[ServerSettings.CONST.SERVER_SSL_CERTIFICATE_AUTOGENERATED] = "true"
|
|
};
|
|
|
|
_connection.ApplicationSettings.UpdateSettings(settings, false);
|
|
|
|
// Assert - Verify encrypted key is actually encrypted (not plaintext)
|
|
var storedKey = _connection.ApplicationSettings.ServerCACertificateKey;
|
|
Assert.IsNotNull(storedKey);
|
|
|
|
// The key should be encrypted and not directly parseable as a key
|
|
// (This is a basic sanity check - the actual encryption is tested in CertificateTests)
|
|
Assert.DoesNotThrow(() => Convert.FromBase64String(storedKey!));
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Autogenerated Flag Tests
|
|
|
|
[Test]
|
|
public void StoreCAAndServerCertificate_MarksAsAutogenerated()
|
|
{
|
|
// Arrange
|
|
var caPair = CertificateGenerator.GenerateCACertificate();
|
|
var serverPair = CertificateGenerator.GenerateServerCertificate(
|
|
caPair.Certificate,
|
|
caPair.PrivateKey,
|
|
new[] { "localhost" });
|
|
|
|
var pfxPassword = "autogen-test";
|
|
var pfxBytes = CertificateGenerator.CreatePfxBundle(serverPair, caPair, pfxPassword);
|
|
var (caCert, caKey) = CertificateStorageHelper.SerializeCACertificatePair(caPair, pfxPassword);
|
|
|
|
// Act - Store directly (StoreCAAndServerCertificate method removed)
|
|
var settings = new Dictionary<string, string?>
|
|
{
|
|
[ServerSettings.CONST.SERVER_CA_CERTIFICATE] = caCert,
|
|
[ServerSettings.CONST.SERVER_CA_CERTIFICATE_KEY] = caKey,
|
|
[ServerSettings.CONST.SERVER_CA_CERTIFICATE_PASSWORD] = pfxPassword,
|
|
[ServerSettings.CONST.SERVER_SSL_CERTIFICATE] = Convert.ToBase64String(pfxBytes),
|
|
[ServerSettings.CONST.SERVER_SSL_CERTIFICATEPASSWORD] = pfxPassword,
|
|
[ServerSettings.CONST.SERVER_SSL_CERTIFICATE_AUTOGENERATED] = "true"
|
|
};
|
|
_connection.ApplicationSettings.UpdateSettings(settings, false);
|
|
|
|
// Assert
|
|
Assert.IsTrue(_connection.ApplicationSettings.ServerSSLCertificateAutogenerated);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Kestrel HTTPS Configuration Tests
|
|
|
|
[Test]
|
|
public void ServerCertificate_HasPrivateKey_ForKestrelUsage()
|
|
{
|
|
// Arrange
|
|
var caPair = CertificateGenerator.GenerateCACertificate();
|
|
var serverPair = CertificateGenerator.GenerateServerCertificate(
|
|
caPair.Certificate,
|
|
caPair.PrivateKey,
|
|
new[] { "localhost" });
|
|
|
|
var pfxPassword = "kestrel-test";
|
|
var pfxBytes = CertificateGenerator.CreatePfxBundle(serverPair, caPair, pfxPassword);
|
|
|
|
// Store in database
|
|
var settings = new Dictionary<string, string?>
|
|
{
|
|
[ServerSettings.CONST.SERVER_SSL_CERTIFICATE] = Convert.ToBase64String(pfxBytes),
|
|
[ServerSettings.CONST.SERVER_SSL_CERTIFICATEPASSWORD] = pfxPassword,
|
|
};
|
|
|
|
_connection.ApplicationSettings.UpdateSettings(settings, false);
|
|
|
|
// Act
|
|
var certCollection = _connection.ApplicationSettings.ServerSSLCertificate;
|
|
|
|
// Assert - Kestrel requires a certificate with private key
|
|
Assert.IsNotNull(certCollection);
|
|
var certWithKey = certCollection!.Cast<X509Certificate2>().FirstOrDefault(c => c.HasPrivateKey);
|
|
Assert.IsNotNull(certWithKey);
|
|
Assert.IsTrue(certWithKey!.HasPrivateKey);
|
|
}
|
|
|
|
[Test]
|
|
public void ServerCertificate_ContainsIntermediateCA_ForChainValidation()
|
|
{
|
|
// Arrange
|
|
var caPair = CertificateGenerator.GenerateCACertificate();
|
|
var serverPair = CertificateGenerator.GenerateServerCertificate(
|
|
caPair.Certificate,
|
|
caPair.PrivateKey,
|
|
new[] { "localhost" });
|
|
|
|
var pfxPassword = "chain-test";
|
|
var pfxBytes = CertificateGenerator.CreatePfxBundle(serverPair, caPair, pfxPassword);
|
|
|
|
// Store in database
|
|
var settings = new Dictionary<string, string?>
|
|
{
|
|
[ServerSettings.CONST.SERVER_SSL_CERTIFICATE] = Convert.ToBase64String(pfxBytes),
|
|
[ServerSettings.CONST.SERVER_SSL_CERTIFICATEPASSWORD] = pfxPassword,
|
|
};
|
|
|
|
_connection.ApplicationSettings.UpdateSettings(settings, false);
|
|
|
|
// Act
|
|
var certCollection = _connection.ApplicationSettings.ServerSSLCertificate;
|
|
|
|
// Assert - PFX bundle should contain both server cert and CA
|
|
Assert.IsNotNull(certCollection);
|
|
Assert.That(certCollection!.Count, Is.GreaterThanOrEqualTo(1));
|
|
|
|
// Verify chain can be built
|
|
using var chain = new X509Chain();
|
|
var serverCert = certCollection.Cast<X509Certificate2>().First(c => c.HasPrivateKey);
|
|
chain.ChainPolicy.ExtraStore.AddRange(certCollection);
|
|
chain.ChainPolicy.RevocationMode = X509RevocationMode.NoCheck;
|
|
chain.ChainPolicy.VerificationFlags = X509VerificationFlags.AllowUnknownCertificateAuthority;
|
|
|
|
var chainBuilt = chain.Build(serverCert);
|
|
Assert.IsTrue(chainBuilt);
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Certificate Validation Tests
|
|
|
|
[Test]
|
|
public void GeneratedCertificate_HasCorrectExtendedKeyUsage()
|
|
{
|
|
// Arrange & Act
|
|
var caPair = CertificateGenerator.GenerateCACertificate();
|
|
var serverPair = CertificateGenerator.GenerateServerCertificate(
|
|
caPair.Certificate,
|
|
caPair.PrivateKey,
|
|
new[] { "localhost" });
|
|
|
|
// Assert
|
|
var ekuExtension = serverPair.Certificate.Extensions["2.5.29.37"] as X509EnhancedKeyUsageExtension;
|
|
Assert.IsNotNull(ekuExtension);
|
|
Assert.That(ekuExtension!.EnhancedKeyUsages, Has.Some.Matches<Oid>(oid => oid.Value == "1.3.6.1.5.5.7.3.1")); // Server Authentication
|
|
}
|
|
|
|
[Test]
|
|
public void GeneratedCertificate_HasSubjectAlternativeNames()
|
|
{
|
|
// Arrange & Act
|
|
var hostnames = new[] { "localhost", "test.example.com", "192.168.1.1" };
|
|
var caPair = CertificateGenerator.GenerateCACertificate();
|
|
var serverPair = CertificateGenerator.GenerateServerCertificate(
|
|
caPair.Certificate,
|
|
caPair.PrivateKey,
|
|
hostnames);
|
|
|
|
// Assert
|
|
var sanExtension = serverPair.Certificate.Extensions["2.5.29.17"] as X509SubjectAlternativeNameExtension;
|
|
Assert.IsNotNull(sanExtension);
|
|
|
|
var dnsNames = sanExtension!.EnumerateDnsNames().ToList();
|
|
var ipAddresses = sanExtension.EnumerateIPAddresses().Select(ip => ip.ToString()).ToList();
|
|
|
|
Assert.That(dnsNames, Contains.Item("localhost"));
|
|
Assert.That(dnsNames, Contains.Item("test.example.com"));
|
|
Assert.That(ipAddresses, Has.Some.EqualTo("192.168.1.1"));
|
|
}
|
|
|
|
[Test]
|
|
public void GeneratedCA_HasCorrectBasicConstraints()
|
|
{
|
|
// Arrange & Act
|
|
var caPair = CertificateGenerator.GenerateCACertificate();
|
|
|
|
// Assert
|
|
var basicConstraints = caPair.Certificate.Extensions["2.5.29.19"] as X509BasicConstraintsExtension;
|
|
Assert.IsNotNull(basicConstraints);
|
|
Assert.IsTrue(basicConstraints!.CertificateAuthority);
|
|
Assert.IsTrue(basicConstraints.HasPathLengthConstraint);
|
|
Assert.AreEqual(0, basicConstraints.PathLengthConstraint); // Cannot sign sub-CAs
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Certificate Expiration Tests
|
|
|
|
[Test]
|
|
public void IsExpiringSoon_WithValidCertificate_ReturnsFalse()
|
|
{
|
|
// Arrange
|
|
var caPair = CertificateGenerator.GenerateCACertificate();
|
|
var serverPair = CertificateGenerator.GenerateServerCertificate(
|
|
caPair.Certificate,
|
|
caPair.PrivateKey,
|
|
new[] { "localhost" });
|
|
|
|
// Act & Assert - New certificate should not be expiring
|
|
Assert.IsFalse(CertificateGenerator.IsExpiringSoon(serverPair.Certificate, 30));
|
|
}
|
|
|
|
[Test]
|
|
public void CertificateValidity_ServerCert_Approximately90Days()
|
|
{
|
|
// Arrange & Act
|
|
var caPair = CertificateGenerator.GenerateCACertificate();
|
|
var serverPair = CertificateGenerator.GenerateServerCertificate(
|
|
caPair.Certificate,
|
|
caPair.PrivateKey,
|
|
new[] { "localhost" });
|
|
|
|
// Assert
|
|
var validity = serverPair.Certificate.NotAfter - serverPair.Certificate.NotBefore;
|
|
Assert.That(validity.TotalDays, Is.GreaterThan(80));
|
|
Assert.That(validity.TotalDays, Is.LessThan(100));
|
|
}
|
|
|
|
[Test]
|
|
public void CertificateValidity_CACert_Approximately10Years()
|
|
{
|
|
// Arrange & Act
|
|
var caPair = CertificateGenerator.GenerateCACertificate();
|
|
|
|
// Assert
|
|
var validity = caPair.Certificate.NotAfter - caPair.Certificate.NotBefore;
|
|
Assert.That(validity.TotalDays, Is.GreaterThan(365 * 9));
|
|
Assert.That(validity.TotalDays, Is.LessThan(365 * 11));
|
|
}
|
|
|
|
#endregion
|
|
}
|