63 lines
2.7 KiB
C#
63 lines
2.7 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Security.Cryptography.X509Certificates;
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using Wino.Core.Domain.Interfaces;
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namespace Wino.Core.WinUI.Services;
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public class SmimeCertificateService : ISmimeCertificateService
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{
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private const string CertificateFriendlyName = "Wino Mail Certificate";
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/// <summary>
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/// Retrieves all personal certificates from the current user's certificate store.
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/// </summary>
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/// <remarks>This method enumerates certificates in the current user's "My" certificate store that have a
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/// private key and at least one extension. The store is opened in read-only mode.</remarks>
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/// <returns>An enumerable collection of <see cref="X509Certificate2"/> objects representing the personal certificates that
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/// meet the specified criteria. If no matching certificates are found, the collection will be empty.</returns>
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public IEnumerable<X509Certificate2> GetCertificates(StoreName storeName = StoreName.My, StoreLocation storeLocation = StoreLocation.CurrentUser, string emailAddress = null)
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{
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using var store = new X509Store(storeName, storeLocation);
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store.Open(OpenFlags.ReadOnly);
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var certs = store.Certificates.Where(cert => cert.FriendlyName == CertificateFriendlyName);
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return emailAddress != null ? certs.Where(cert => cert.Subject.Contains(emailAddress, StringComparison.OrdinalIgnoreCase)) : certs;
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}
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public void ImportCertificate(string fileExtension, byte[] rawData, string password = null, StoreName storeName = StoreName.My, StoreLocation storeLocation = StoreLocation.CurrentUser)
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{
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X509Certificate2Collection collection = [];
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if (fileExtension is ".p12" or ".pfx")
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{
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collection.AddRange(X509CertificateLoader.LoadPkcs12Collection(rawData, password, X509KeyStorageFlags.DefaultKeySet | X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.Exportable));
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} else
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{
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collection.Add(X509CertificateLoader.LoadCertificate(rawData));
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}
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foreach (var cert in collection)
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{
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cert.FriendlyName = CertificateFriendlyName;
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}
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using var store = new X509Store(storeName, storeLocation);
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store.Open(OpenFlags.ReadWrite);
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store.AddRange(collection);
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store.Close();
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}
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public void RemoveCertificate(string thumbprint, StoreName storeName = StoreName.My, StoreLocation storeLocation = StoreLocation.CurrentUser)
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{
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using var store = new X509Store(storeName, storeLocation);
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store.Open(OpenFlags.ReadWrite);
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var cert = store.Certificates.FirstOrDefault(c => c.Thumbprint == thumbprint);
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if (cert != null)
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{
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store.Remove(cert);
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}
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}
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}
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