public NewUserProfileViewModel(string directory)
{
this.WhenAnyValue(x => x.Password)
.Select(x => !string.IsNullOrEmpty(x))
.ToPropertyEx(this, x => x.Encrypted);
this.Login = ReactiveCommand.Create(() =>
{
var filePath = Path.Combine(directory, this.Name + ".tox");
var tox = new Tox(ToxOptions.Default());
if (this.Encrypted)
{
var data = tox.GetData().Bytes;
ToxEncryption.Encrypt(data, this.Password, out _);
var toxdata = ToxData.FromBytes(data);
tox.Dispose();
toxdata.Save(filePath);
tox = new Tox(ToxOptions.Default(), toxdata, this.Password);
}
return(new ToxSession(tox, filePath));
}, this.WhenAnyValue(x => x.Name)
.Select(fileName =>
{
if (string.IsNullOrWhiteSpace(fileName))
{
return(false);
}
var filePath = Path.Combine(directory, fileName + ".tox");
if (File.Exists(filePath))
{
return(false);
}
if ((from i in Path.GetInvalidFileNameChars()
from c in fileName
select i == c).Any(x => x))
{
return(false);
}
return(true);
}));
}
public void TestToxEncryption()
{
string password = "******";
byte[] garbage = new byte[0xBEEF];
new Random().NextBytes(garbage);
byte[] encryptedData = ToxEncryption.EncryptData(garbage, password);
Assert.IsNotNull(encryptedData, "Failed to encrypt the data");
byte[] decryptedData = ToxEncryption.DecryptData(encryptedData, password);
Assert.IsNotNull(decryptedData, "Failed to decrypt the data");
if (!garbage.SequenceEqual(decryptedData))
{
Assert.Fail("Original data is not equal to the decrypted data");
}
}
