/// <summary>
/// Create a <see cref="IRestoring"/> instance in according to the command arguments
/// </summary>
public IRestoring Create(RestoringSettings settings)
{
settings = settings ?? throw new ArgumentNullException("settings");
// Loads the 3-DES key to decrypt the file from GCS
Helpers.MandatoryValue("Crypto key", settings.CryptoKey);
byte[] crypto_key, crypto_iv;
if (!TripleDES.LoadKeyFile(settings.CryptoKey, out crypto_key, out crypto_iv, _logger))
{
throw new SmkException(ErrorResources.TransformFactory_InstanciationFailed);
}
switch (settings.Repository)
{
case RestoringRepositorySource.GCS:
{
Helpers.MandatoryValue("source path", settings.Path);
Helpers.MandatoryValue("source API key", settings.ApiKey);
return(new GcsRestore(settings.Path, settings.ApiKey, crypto_key, crypto_iv, _logger));
}
case RestoringRepositorySource.S3:
{
return(null);
}
default:
throw new SmkException($"Unsupported repository source '{settings.Repository}");
}
}
/// <summary>
/// Create a <see cref="ITransforming"/> instance in according to the command arguments
/// </summary>
public ITransforming Create(TransformSettings settings)
{
settings = settings ?? throw new ArgumentNullException("settings");
byte[] key, iv;
// Creates the transformation instance
switch (settings.Kind)
{
case TransformKind.Secure:
{
Helpers.MandatoryValue("key filename", settings.TripleDesFilename);
if (!TripleDES.LoadKeyFile(settings.TripleDesFilename, out key, out iv, _logger))
{
throw new SmkException(ErrorResources.TransformFactory_InstanciationFailed);
}
SecureTransform trans = new SecureTransform(key, iv, _logger);
trans.Logger = _logger;
return(trans);
}
case TransformKind.Unsecure:
{
Helpers.MandatoryValue("key filename", settings.TripleDesFilename);
if (!TripleDES.LoadKeyFile(settings.TripleDesFilename, out key, out iv, _logger))
{
return(null);
}
UnsecureTransform dest = new UnsecureTransform(key, iv, _logger);
dest.Logger = _logger;
return(dest);
}
case TransformKind.None:
{
return(null);
}
default:
throw new SmkException($"Unsupported transformation kind '{settings.Kind}");
}
}
