public MainWindow()
{
componentContext = (App.Current as App).Services;
var encryptedOptions = componentContext.Resolve <EncryptedOptions>();
DecryptedOptions decryptedOptions = LoadOptions(encryptedOptions);
if (decryptedOptions == null)
{
Application.Current.Shutdown();
return;
}
s3 = new AWSS3API(decryptedOptions.AWSS3Options);
athena = new AWSAthenaAPI(decryptedOptions.AWSAthenaOptions);
options = decryptedOptions.AthenaClientOptions;
InitializeComponent();
s3Tree.ItemsSource = S3ItemsSource;
tabQueries.ItemsSource = FormatedQuerySource;
dgJobList.ItemsSource = QueryTasks;
LoadS3();
}
private DecryptedOptions LoadOptions(EncryptedOptions encryptedOptions)
{
DecryptedOptions decryptedOptions = null;
bool needLogin = true;
while (needLogin)
{
LoginWindow loginWindow = new LoginWindow();
var result = loginWindow.ShowDialog();
if (!result.HasValue || !result.Value)
{
Application.Current.Shutdown();
return(null);
}
var username = loginWindow.Username;
var password = loginWindow.Password;
var base64IV = "NhbsNbMmiZo3Ql4wMorPMg==";
var base64Key = "zFJnXBUqQVW+0UTexm79qT4muUVHaypmQjoFN1mGJog=";
var IV = Convert.FromBase64String(base64IV);
var Key = Convert.FromBase64String(base64Key);
var aes = Aes.Create();
aes.KeySize = 256;
var secret = $"{username}+{password}";
var secretBytes = Encoding.UTF8.GetBytes(secret);
Array.Copy(secretBytes, Key, secretBytes.Length);
aes.IV = IV;
aes.Key = Key;
var encrypted = Convert.FromBase64String(encryptedOptions.Value);
byte[] data = null;
try
{
data = aes.CreateDecryptor().TransformFinalBlock(encrypted, 0, encrypted.Length);
needLogin = false;
}
catch (CryptographicException ex)
{
var msgResult = MessageBox.Show("Wrong Username or Password! Do you want to try again?",
"Login Error",
MessageBoxButton.YesNo);
if (msgResult == MessageBoxResult.No)
{
return(null);
}
else if (msgResult == MessageBoxResult.Yes)
{
continue;
}
}
var json = Encoding.UTF8.GetString(data);
decryptedOptions = JsonConvert.DeserializeObject <DecryptedOptions>(json);
}
return(decryptedOptions);
}