57 lines
2.2 KiB
C#

using DigitalData.Core.Security.Cryptographer;
namespace DigitalData.Core.Security.Config
{
public class AsymCryptParams : RSAFactoryParams
{
public string PemDirectory { get; init; } = string.Empty;
public string Separator { get; init; } = "_-_";
public IEnumerable<RSADecryptor> Decryptors { get; init; } = new List<RSADecryptor>();
/// <summary>
/// 0: Issuer - 1: Audience - 2: Secret version (if is encrypted)
/// </summary>
private string CreateFileName(params object[] objs) => string.Join(Separator, objs);
private string CreatePem(bool isEncrypted) => isEncrypted
? Instance.RSAFactory.CreateEncryptedPrivateKeyPem(keySizeInBits: KeySizeInBits, password: Secrets.PBE_PASSWORD,
pbeEncryptionAlgorithm: PbeEncryptionAlgorithm, hashAlgorithmName: PbeHashAlgorithmName, iterationCount: PbeIterationCount)
: Instance.RSAFactory.CreateRSAPrivateKeyPem(keySizeInBits: KeySizeInBits);
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 file_name = CreateFileName(file_name_params);
var path = Path.Combine(PemDirectory, file_name);
if (File.Exists(path))
crypt.SetPem(File.ReadAllText(path));
else
{
var pem = CreatePem(crypt.Encrypt);
crypt.SetPem(File.ReadAllText(pem));
Task.Run(async () => await File.WriteAllTextAsync(path: path, pem));
}
}
crypt.Init();
}
}
}
}