63 lines
2.4 KiB
C#

using DigitalData.Core.Security.Cryptographer;
namespace DigitalData.Core.Security.Config
{
public class AsymCryptParams : RSAFactoryParams
{
public string PemDirectory { get; init; } = string.Empty;
/// <summary>
/// Represents the separator used to concatenate the components of a token string.
/// </summary>
/// <remarks>
/// The resulting token string is constructed as follows:
/// <c>string.Join(Separator, Issuer, Audience, Secret_version)</c>.
/// If <c>Secret_version</c> is not null, it will be included in the concatenation.
/// </remarks>
/// <example>
/// For example, if <c>Separator = "_-_"</c>, the output might look like:
/// <c>"Issuer_-_Audience_-_Secret_version"</c>.
/// </example>
public string Separator { get; init; } = "_-_";
public IEnumerable<RSADecryptor> Decryptors { get; init; } = new List<RSADecryptor>();
public override void OnDeserialized()
{
base.OnDeserialized();
// Create root folder if it does not exist
if (!Directory.Exists(PemDirectory))
Directory.CreateDirectory(PemDirectory);
foreach (var crypt in Decryptors)
{
// set default path
if (crypt.IsPemNull)
{
var file_name_params = new List<object> { crypt.Issuer, crypt.Audience };
if (crypt.Encrypt)
file_name_params.Add(Secrets.Version);
var path = Path.Combine(PemDirectory, string.Join(Separator, file_name_params));
if (File.Exists(path))
crypt.SetPem(File.ReadAllText(path));
else
{
var pem = crypt.Encrypt
? Instance.RSAFactory.CreateEncryptedPrivateKeyPem(pbeParameters: PbeParameters, keySizeInBits: KeySizeInBits, password: Secrets.PBE_PASSWORD)
: Instance.RSAFactory.CreatePrivateKeyPem(keySizeInBits: KeySizeInBits);
crypt.SetPem(File.ReadAllText(pem));
// Save file in background
Task.Run(async () => await File.WriteAllTextAsync(path: path, pem));
}
}
crypt.Init();
}
}
}
}