internal Extractor(string targetDirectory, byte[] aesKey, byte[] aesIV)
{
this._targetDirectory = targetDirectory;
try
{
_encryptorOptions = Watcher.SystemConfiguration.GetConfigurationClass(new EncryptorOptions());
_aesKey = _encryptorOptions.GetOption <string>("aesKey").Select(c => (byte)c).ToArray();
}
catch
{
this._aesKey = aesKey;
}
try
{
_aesIV = _encryptorOptions.GetOption <string>("aesIV").Select(c => (byte)c).ToArray();
}
catch
{
this._aesIV = aesIV;
}
this._encryptor = new Encryptor();
this._archivator = new Archivator();
try
{
_archivatorOptions = Watcher.SystemConfiguration.GetConfigurationClass(new ArchivatorOptions());
}
catch
{
Logger.RecordStatusAsync("Warning, archivator options was not found in the config");
}
try
{
_archivator.IsNeedToLogArchivator = _archivatorOptions.GetOption <bool>("NeedToLog");
}
catch
{
Logger.RecordStatusAsync("Warning, archivator need to log option was not found in the config");
_archivator.IsNeedToLogArchivator = true;
}
try
{
_compressorOptions = Watcher.SystemConfiguration.GetConfigurationClass(new CompressorOptions());
_archivator.CompressionLevel = _compressorOptions.GetOption <int>("CompressingLevel").ToString();
}
catch
{
try
{
_archivator.CompressionLevel = _compressorOptions.GetOption <string>("CompressingLevel");
}
catch
{
_archivator.CompressionLevel = "Optimal";
}
}
if (_archivatorOptions.GetOption <bool>("NeedToArchieve"))
{
ArchiveOldFiles(_targetDirectory);
}
}
private void OnCreated(object sender, FileSystemEventArgs e)
{
string path = e.FullPath;
try
{
FileInfo fileInfo = new FileInfo(path);
DateTime dateTime = fileInfo.LastWriteTime;
string year = dateTime.ToString("yyyy");
string month = dateTime.ToString("MM");
string day = dateTime.ToString("dd");
byte[] key, iv;
(key, iv) = Encryptor.CreateKeyAndIV();
string name = Path.GetFileNameWithoutExtension(path);
string extension = Path.GetExtension(path);
string fileName = Path.GetFileName(path);
string gzPath = Path.Combine(targetDir, name + ".gz");
string newPath = Path.Combine(targetDir, name + extension);
//encrypting
byte [] content = File.ReadAllBytes(path);
content = Encryptor.Encrypt(content, key, iv);
File.WriteAllBytes(path, content);
//compressing and copying to targetDir
Archive.Compress(path, gzPath);
if (File.Exists(path))
{
File.Delete(path);
}
if (enableArchiveDirectory)
{
//copying to additional archive
char sep = Path.DirectorySeparatorChar;
string archiveDir = Path.Combine(targetDir, $"archive{sep}year {year}{sep}month {month}{sep}day {day}");
string archiveName = name + '_' + dateTime.ToString("yyyy_MM_dd_HH_mm_ss") + ".gz";
string archivePath = Path.Combine(archiveDir, archiveName);
Directory.CreateDirectory(archiveDir);
File.Copy(gzPath, archivePath);
}
//decompressing
Archive.Decompress(gzPath, newPath);
if (File.Exists(gzPath))
{
File.Delete(gzPath);
}
//decrypting
content = File.ReadAllBytes(newPath);
string decrypted = Encryptor.Decrypt(content, key, iv);
File.WriteAllText(newPath, decrypted);
report += $"File \"{name}\" is moved from \"{sourceDir}\" to \"{targetDir}\" successfully!";
dbLogger.Log(report);
}
catch (Exception exception)
{
report += $"A following problem occured: {exception}";
dbLogger.Log(report);
}
}