private T DeSerializeAndDecompressObjectFromEncryptedFile <T>(string path, IProgress <StorageManagerProgress> progress)
{
EncryptionManager encryptionManager = new EncryptionManager();
Stream input = null;
MemoryStream output = new MemoryStream();
try
{
input = encryptionManager.DecryptFileToMemoryStream(path, _settings.GetPassword(), new CryptoProgress(progress));
input.Position = 0;
if (_settings.UseMultithreading && CompressionFileHeader.VerifyFileHeader(input))
{
DeflateDataMultithreded(input, output, progress);
}
else
{
CodeProgressImplementation coderProgress = new CodeProgressImplementation(progress, CodeProgressImplementation.CodingOperations.Decoding);
progress?.Report(new StorageManagerProgress {
ProgressPercentage = 0, Text = "Starting LZMA multithreaded decoding of file"
});
DeflateData(input, output, input.Length, coderProgress).RunSynchronously();
}
output.Flush();
output.Position = 0;
}
catch (Exception ex)
{
Log.Error(ex, "Error in StorageManager.DeSerializeAndDecompressObjectFromEncryptedFile()");
}
finally
{
input?.Close();
}
Attribute[] attrs = Attribute.GetCustomAttributes(typeof(T));
bool protoBufferCompatible = attrs.OfType <DataContractAttribute>().Any();
progress?.Report(protoBufferCompatible ? new StorageManagerProgress {
ProgressPercentage = 0, Text = "Deserializing using Protobuffer"
} : new StorageManagerProgress {
ProgressPercentage = 0, Text = "Deserializing using BinaryFormatter"
});
if (protoBufferCompatible)
{
return(Serializer.Deserialize <T>(output));
}
BinaryFormatter binaryFormatter = new BinaryFormatter();
return((T)binaryFormatter.Deserialize(output));
}