/// <summary>
/// Installs the certificate into the certificate store chosen.
/// If the certificate is sucessfully installed, this will be recorded in the Persistant Storage
/// </summary>
/// <param name="cert">Certificate to install</param>
/// <param name="storeName">The certificate store to use</param>
/// <param name="storeLocation">The location within the certificate store to use</param>
/// <returns>False if the user declined</returns>
public static void InstallCertificate(X509Certificate2 cert, StoreName storeName, StoreLocation storeLocation)
{
_ = cert ?? throw new ArgumentNullException(paramName: nameof(cert));
if (IsCertificateInstalled(cert, storeName, storeLocation))
{
return;
}
using var certStore = new X509Store(storeName, storeLocation);
certStore.Open(OpenFlags.ReadWrite);
Debug.WriteLine("Writing '{0}' to cert store {1}:{2}",
cert.FriendlyName, storeName.ToString(), storeLocation.ToString());
try
{
// add to certificate store
certStore.Add(cert);
// ^ Will produce a popup prompt when installing to the root store
// if the certificate is not already installed
// There fore you should predict this
// and warn+instruct the user
}
catch (CryptographicException ex)
{
// if user selects No when prompted to install the CA
if ((uint)ex.HResult == 0x800704C7)
{
throw new UserAbortException("User selected No when prompted for certificate");
}
Debug.WriteLine("THIS SHOULD NOT HAPPEN");
Debug.Print(ex.ToString());
Debug.Assert(false);
throw; // unknown exception
}
// keep track of that we've installed it
PersistingStore.InstalledCertificates = PersistingStore.InstalledCertificates
.Add(InstalledCertificate.FromCertificate(cert, storeName, storeLocation));
}
public static bool IsCertificateInstalledByUs(X509Certificate2 cert, StoreName storeName, StoreLocation storeLocation) => IsCertificateInstalled(cert, storeName, storeLocation) && PersistingStore.InstalledCertificates .Contains(InstalledCertificate.FromCertificate(cert, storeName, storeLocation));
