public static void Decompress(string compressedFile, string targetFile)
{
try
{
string decrFileName = Crypt.DecryptedFilePath(compressedFile, "D:\\Target\\crypt");
using (FileStream sourceStream = new FileStream(compressedFile, FileMode.OpenOrCreate))
{
using (FileStream targetStream = File.Create(targetFile))
{
using (FileStream decryptStream = File.Create(decrFileName))
{
using (GZipStream decompressionStream = new GZipStream(sourceStream, CompressionMode.Decompress))
{
decompressionStream.CopyTo(decryptStream);
}
}
using (FileStream finaleStream = new FileStream(decrFileName, FileMode.OpenOrCreate))
{
Crypt.Decrypt(finaleStream, targetStream);
}
}
}
}
catch (Exception ex)
{
using (StreamWriter writer = new StreamWriter("D:\\Target\\sourcelog.txt", true))
{
writer.WriteLine("Ошибка деархивации данных:{0}", ex.Message);
writer.Flush();
}
}
}
public static void Decompress(string compressedFile, string targetFile, bool needToEncrypt)
{
try
{
string decrFileName = Crypt.DecryptedFilePath(compressedFile, Path.Combine(Path.GetDirectoryName(targetFile), "crypt"));
using (FileStream sourceStream = new FileStream(compressedFile, FileMode.OpenOrCreate))
{
using (FileStream targetStream = File.Create(targetFile))
{
using (FileStream decryptStream = File.Create(decrFileName))
{
using (GZipStream decompressionStream = new GZipStream(sourceStream, CompressionMode.Decompress))
{
decompressionStream.CopyTo(decryptStream);
}
}
using (FileStream finaleStream = new FileStream(decrFileName, FileMode.OpenOrCreate))
{
if (needToEncrypt)
{
Crypt.Decrypt(finaleStream, targetStream);
}
else
{
finaleStream.CopyTo(targetStream);
}
}
}
}
}
catch (Exception ex)
{
using (StreamWriter writer = new StreamWriter(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "sourcelog.txt"), true))
{
writer.WriteLine("Ошибка деархивации данных:{0}", ex.Message);
writer.Flush();
}
}
}