public static MemoryStream getSerializedStream(ProfileType profile)
{
BinaryFormatter binFormatter = new BinaryFormatter();
MemoryStream mStream = new MemoryStream();
binFormatter.Serialize(mStream, profile);
return mStream;
}
public static void HandelProfileCreation(CreateProfileView sender)
{
sender.TextBlockErrorDisplay.Text = "";
bool NoFailture = true;
if (DataOperations.ChekProfileFileExsists(sender.TextBoxUserInputProfileName.Text))
{
sender.TextBlockErrorDisplay.Text += "Profile already exist!\n";
NoFailture = false;
}
if (sender.TextBoxUserInputProfileName.Text.Count() <= 0)
{
sender.TextBlockErrorDisplay.Text += "Your Profilename have to be longer than 0 Charakters!\n";
NoFailture = false;
}
if (!DataOperations.ComparePasswords(sender.PasswordBoxUserInputPassword.Password, sender.PasswordBoxUserInputPasswordRepate.Password))
{
sender.TextBlockErrorDisplay.Text += "The Passwords are not the same!\n";
NoFailture = false;
}
if (NoFailture)
{
ProfileType Profile = new ProfileType();
Profile.ProfileName = sender.TextBoxUserInputProfileName.Text;
DataOperations.WriteProfileToDisk(Profile, sender.PasswordBoxUserInputPassword.Password);
AppData.PointerMainWindow.Content = new StartupView();
}
}
public static ProfileType getDeserializedProfile(MemoryStream mStream)
{
BinaryFormatter binFormatter = new BinaryFormatter();
ProfileType profile = new ProfileType();
if (mStream.Length == 1)
{
profile = new ProfileType();
}
else
{
profile = (ProfileType)binFormatter.Deserialize(mStream);
}
return profile;
}
public static ProfileType getDeserializedProfile(MemoryStream mStream)
{
BinaryFormatter binFormatter = new BinaryFormatter();
ProfileType profile = new ProfileType();
if (mStream.Length == 1)
{
profile = new ProfileType();
}
else
{
profile = (ProfileType)binFormatter.Deserialize(mStream);
}
return(profile);
}
public static ProfileType GetProfileFromDisk(string ProfileName, string Key)
{
if(ChekProfileFileExsists(ProfileName))
{
FileStream FileStream;
MemoryStream MemoryStream;
try
{
FileStream = new FileStream(DataOperations.GetProfileFilePath(ProfileName), FileMode.Open);
byte[] EncrypedFromStream = new byte[FileStream.Length];
FileStream.Read(EncrypedFromStream, 0, EncrypedFromStream.Length);
MemoryStream = new MemoryStream(CryptographyHelper.Decrypt(EncrypedFromStream, Key));
}
catch
{
ProfileType Profile = new ProfileType();
Profile.ErrorCode = (short)Enumerators.ProfileTypeErrorCodes.ReadFileError;
return Profile;
}
try
{
ProfileType Profile = Serializer.getDeserializedProfile(MemoryStream);
FileStream.Close();
MemoryStream.Close();
Profile.ErrorCode = (short)Enumerators.ProfileTypeErrorCodes.NoFailture;
return Profile;
}
catch
{
ProfileType Profile = new ProfileType();
Profile.ErrorCode = (short)Enumerators.ProfileTypeErrorCodes.SerializerError;
return Profile;
}
}
else
{
ProfileType Profile = new ProfileType();
Profile.ErrorCode = (short)Enumerators.ProfileTypeErrorCodes.FileNotFound;
return Profile;
}
}
public static ProfileType GetProfileFromDisk(string ProfileName, string Key)
{
if (ChekProfileFileExsists(ProfileName))
{
FileStream FileStream;
MemoryStream MemoryStream;
try
{
FileStream = new FileStream(DataOperations.GetProfileFilePath(ProfileName), FileMode.Open);
byte[] EncrypedFromStream = new byte[FileStream.Length];
FileStream.Read(EncrypedFromStream, 0, EncrypedFromStream.Length);
MemoryStream = new MemoryStream(CryptographyHelper.Decrypt(EncrypedFromStream, Key));
}
catch
{
ProfileType Profile = new ProfileType();
Profile.ErrorCode = (short)Enumerators.ProfileTypeErrorCodes.ReadFileError;
return(Profile);
}
try
{
ProfileType Profile = Serializer.getDeserializedProfile(MemoryStream);
FileStream.Close();
MemoryStream.Close();
Profile.ErrorCode = (short)Enumerators.ProfileTypeErrorCodes.NoFailture;
return(Profile);
}
catch
{
ProfileType Profile = new ProfileType();
Profile.ErrorCode = (short)Enumerators.ProfileTypeErrorCodes.SerializerError;
return(Profile);
}
}
else
{
ProfileType Profile = new ProfileType();
Profile.ErrorCode = (short)Enumerators.ProfileTypeErrorCodes.FileNotFound;
return(Profile);
}
}
private void MenuItemLogin_Click(object sender, RoutedEventArgs e)
{
ProfileType Profile = new ProfileType();
Profile = DataSafeBackend.DataOperations.GetProfileFromDisk(ProfileName,passwordBox1.Password);
if (Profile.ErrorCode == (short)Enumerators.ProfileTypeErrorCodes.NoFailture)
{
AppData.ActiveProfile = Profile;
AppData.PointerMainWindow.Content = new ProfileContentView();
}
else
{
this.TextBlockErrorDisplay.Text = "";
switch (Profile.ErrorCode)
{
case (short)Enumerators.ProfileTypeErrorCodes.FileNotFound: this.TextBlockErrorDisplay.Text = "File not Found!";
break;
case (short)Enumerators.ProfileTypeErrorCodes.ReadFileError: this.TextBlockErrorDisplay.Text = "Could not read the Profilefile!";
break;
case (short)Enumerators.ProfileTypeErrorCodes.SerializerError: this.TextBlockErrorDisplay.Text = "The Password might be wrong!";
break;
}
}
}
public static void WriteProfileToDisk(ProfileType profile, string key)
{
FileStream fStream = File.Open(Path.Combine(DataOperations.GetProfilePath(), profile.ProfileName + ".dat"), FileMode.Create);
byte[] encryptedBytes = CryptographyHelper.Encrypt(Serializer.getSerializedStream(profile).ToArray(), key);
fStream.Write(encryptedBytes, 0, encryptedBytes.Length);
fStream.Close();
}