//opens a dialog asking for password of selected recipent
private void AskForRecipentPassword(DecryptionOutput decryptionOutput)
{
InsertPswrdWindow insertPswrdWindow =
new InsertPswrdWindow(decryptionOutput);
insertPswrdWindow.Show();
insertPswrdWindow.Owner = this;
}
private DecryptionOutput GetSelectedValuesFromGUIDecryption()
{
//enter values from input controls to EncryptionInput object
DecryptionInput di = new DecryptionInput(InputFileTextBoxDecryption.Text,
OutputFileTextBoxDecryption.Text,
(User)RecipentsListBoxDecryption.SelectedItem);
DecryptionOutput decryptionOutput =
InputHandlers.ParseDecryptionValues(di);
return(decryptionOutput);
}
private void Worker_DoWorkDecryption(object sender, DoWorkEventArgs e)
{
var worker = sender as BackgroundWorker;
worker.ReportProgress(0);
DecryptionOutput decryptionOutput = (DecryptionOutput)e.Argument;
Decryption decryption = new Decryption(decryptionOutput);
decryption.Decrypt(worker);
}
public static DecryptionOutput ParseDecryptionValues(DecryptionInput ei)
{
bool readingAllOK = true;
string outDirectory = "";
string decodedFileName = "";
string errorMsg = "";
//retrieve input file and output file name
string inputFilePath = ei.InputFile;
if (string.IsNullOrEmpty(inputFilePath) ||
!File.Exists(inputFilePath))
{
readingAllOK = false;
errorMsg += "Błędnie wybrany plik do zaszyfrowania.\n";
}
else
{
outDirectory = System.IO.Path.GetDirectoryName(inputFilePath);
}
string outputFileName = ei.OutputFileName;
string outputFilePath = "";
if (string.IsNullOrEmpty(outputFileName) ||
(outputFileName.IndexOfAny(Path.GetInvalidFileNameChars()) >= 0))
{
readingAllOK = false;
errorMsg += "Błędna nazwa pliku wyjściowego.\n";
}
else
{
outputFilePath = outDirectory + "\\" + outputFileName;
decodedFileName = outDirectory + "\\result.txt";
}
//retrieve selected recipent of encoded file from listbox
User recipent = ei.Recipent;
if (recipent == null)
{
readingAllOK = false;
errorMsg += "Brak wybranego odbiorcy pliku.\n";
}
//create and return an object keeping track of all read data
DecryptionOutput decryptionOutput = new DecryptionOutput(readingAllOK,
inputFilePath, outputFilePath, recipent, errorMsg);
return(decryptionOutput);
}
//called by second window when user password is obtained
//upon that decryption can be performed
public void OnUserPasswordGiven(DecryptionOutput decryptionOutput)
{
// progress bar config
BackgroundWorker worker = new BackgroundWorker();
worker.WorkerReportsProgress = true;
worker.RunWorkerCompleted += Worker_RunWorkerCompletedDecryption;
worker.DoWork += Worker_DoWorkDecryption;
worker.ProgressChanged += Worker_ProgressChangedDecryption;
//start decryption
worker.RunWorkerAsync(decryptionOutput);
}
private void DecodeButton_Click(object sender, RoutedEventArgs e)
{
//get values from the user (from gui)
//todo setting global var here, watch out
DecryptionOutput decryptionOutput =
GetSelectedValuesFromGUIDecryption();
bool correctInput = decryptionOutput.IsInputCorrect;
if (correctInput)
{
AskForRecipentPassword(decryptionOutput);
}
else
{
MessageBoxResult result =
MessageBox.Show(decryptionOutput.ErrorMessage,
"Błędne dane wejściowe", MessageBoxButton.OK, MessageBoxImage.Exclamation);
}
}
public Decryption(DecryptionOutput decryptionOutput)
{
DecryptionOutput = decryptionOutput;
}
public InsertPswrdWindow(DecryptionOutput decryptionOutput)
{
InitializeComponent();
DecryptionOutput = decryptionOutput;
labelUserName.Content = decryptionOutput.Recipent.Email;
}
