public async Task WriteBytesToFileAsync(string filename, byte[] data)
{
byte[] array = await Authentification.Cryptography.EncryptDataArrayAsync(data,
Authentification.AppPassword.Password, Authentification.AppPassword.Salt).ConfigureAwait(false);
await IOProxy.WriteBytesToFileAsync(array, filename).ConfigureAwait(false);
}
public static bool CheckMasterPassword(SecureString password, bool shortCheck = false)
{
EncryptedPassword created = new EncryptedPassword();
created.GetPasswordFromFile(".key");
int iterations = cryptography.GenerateIterationsFromSalt(created.Salt);
if (iterations == 0)
{
throw new SecurityException("Password hash was tampered with!");
}
byte[] newHash = cryptography.GenerateMasterPasswordHash(password, created.Salt, iterations);
if (!ConstantTimeComparison(newHash, created.Hash))
{
return(false);
}
else
{
string commonErrorMessage = "New password could be generated but all existing data including plugins state will be lost."
+ Environment.NewLine + "Would you like to generate new password?";
if (shortCheck)
{
return(true);
}
if (IOProxy.Exists(".bak_key"))
{
EncryptedPassword appHash = new EncryptedPassword();
appHash.GetPasswordFromFile(".bak_key");
try
{
_appPassword = new PasswordObject(cryptography.DecryptAppPassword(appHash.Hash, _appPasswordLenght, password, appHash.Salt), appHash.Salt);
}
catch (Exception)
{
if (!ShowAppPasswordDecryptionError("Application password cannot be decrypted! " + Environment.NewLine + commonErrorMessage))
{
OnAuthentificationComplete(new AuthentificationEventArgs(false));
}
else
{
NewApplicationPassword(password);
}
}
}
else
{
if (!ShowAppPasswordDecryptionError("Application password file not found! " + Environment.NewLine + commonErrorMessage))
{
OnAuthentificationComplete(new AuthentificationEventArgs(false));
}
else
{
NewApplicationPassword(password);
}
}
OnAuthentificationComplete(new AuthentificationEventArgs());
return(true);
}
}
private static async Task LoadSession()
{
var encryptedStream = IOProxy.GetMemoryStreamFromFile(".session");
byte[] array = new byte[1];
try
{
array = await Authentification.Cryptography.DecryptMemoryStreamAsync(encryptedStream,
Authentification.AppPassword.Password, Authentification.AppPassword.Salt);
}
catch (System.Security.SecurityException)
{
await NewTab();
return;
}
MemoryStream ms = new MemoryStream();
await ms.WriteAsync(array, 0, array.Length);
ms.Position = 0;
BinaryFormatter formatter = new BinaryFormatter();
List <SessionEntry> lastSessionTabs = (List <SessionEntry>)formatter.Deserialize(ms);
if (lastSessionTabs.Count == 0)
{
await NewTab();
return;
}
var plugins = PluginEntryCollection.Plugins;
foreach (var entry in lastSessionTabs.ToArray())
{
if ((!IsSystemTab(entry.Name)) && !plugins.ContainsKey(entry.Name))
{
lastSessionTabs.Remove(lastSessionTabs.Where(w => w.Equals(entry)).FirstOrDefault());
}
}
Task[] loadTasks = new Task[lastSessionTabs.Count];
for (int index = 0; index < lastSessionTabs.Count; index++)
{
ClosableTab tab = new ClosableTab();
tab.PluginTabClose += CloseTab;
MainWindowViewModel.tabs.Add(tab);
}
for (int ind = 0; ind < MainWindowViewModel.tabs.Count; ind++)
{
if (IsSystemTab(lastSessionTabs[ind].Name))
{
loadTasks[ind] = LoadSystemTab(lastSessionTabs[ind], MainWindowViewModel.tabs[ind]);
}
else
{
loadTasks[ind] = UpdateTabContent(plugins[lastSessionTabs[ind].Name], MainWindowViewModel.tabs[ind], lastSessionTabs[ind]);
}
}
await Task.WhenAll(loadTasks);
}
public void GetPasswordFromFile(string filename)
{
MemoryStream ms = IOProxy.GetMemoryStreamFromFile(filename);
EncryptedPassword ps = new EncryptedPassword();
BinaryFormatter formatter = new BinaryFormatter();
ps = (EncryptedPassword)formatter.Deserialize(ms);
Hash = ps.Hash;
Salt = ps.Salt;
}
public async Task <byte[]> ReadBytesFromFileAsync(string filename)
{
MemoryStream encryptedStream = await IOProxy.GetMemoryStreamFromFileAsync(filename).ConfigureAwait(false);
if (encryptedStream == null)
{
return(null);
}
return(await Authentification.Cryptography.DecryptMemoryStreamAsync(encryptedStream,
Authentification.AppPassword.Password, Authentification.AppPassword.Salt));
}
public static void NewApplicationPassword(SecureString password)
{
GenerateAppPassword();
EncryptedPassword result = new EncryptedPassword(cryptography.EncryptAppPassword(_appPassword.Password, password));
_appPassword.Salt = result.Salt;
if (!IOProxy.WritePassword(result, ".bak_key"))
{
OnAuthentificationComplete(new AuthentificationEventArgs(false));
}
}
public static async Task GetSession()
{
if (IOProxy.Exists(".session"))
{
await LoadSession();
}
else
{
await NewTab();
}
}
public static void NewMasterPassword(SecureString password, bool triggerCompleteEvent = true)
{
EncryptedPassword result = new EncryptedPassword(cryptography.EncryptMasterPassword(password));
if (!IOProxy.WritePassword(result, ".key"))
{
OnAuthentificationComplete(new AuthentificationEventArgs(false));
}
NewApplicationPassword(password);
if (triggerCompleteEvent)
{
OnAuthentificationComplete(new AuthentificationEventArgs());
}
}
public static void LoadSettings()
{
paramters = new Parameters();
if (IOProxy.Exists(".config"))
{
paramters.Deserialize(IOProxy.GetMemoryStreamFromFile(".config"));
}
if (string.IsNullOrEmpty(CurrentColorScheme))
{
CurrentColorScheme = _colorSchemeDict.First().Key;
}
else
{
UpdateUIColorScheme();
}
}
public static void GetAuthentificationTab()
{
ClosableTab authTab = new ClosableTab(false)
{
Title = "Authentification"
};
if (IOProxy.Exists(".key"))
{
authTab.Content = new CheckPasswordView();
}
else
{
authTab.Content = new NewPasswordView();
}
MainWindowViewModel.tabs.Add(authTab);
}
private static async Task WriteSessionToFile()
{
List <SessionEntry> openTabsNames = new List <SessionEntry>();
for (int ind = 0; ind < MainWindowViewModel.tabs.Count; ind++)
{
openTabsNames.Add(new SessionEntry(MainWindowViewModel.tabs[ind].Title, ind, MainWindowViewModel.tabs[ind].IsSelected));
}
BinaryFormatter formatter = new BinaryFormatter();
MemoryStream ms = new MemoryStream();
formatter.Serialize(ms, openTabsNames);
byte[] array = await Authentification.Cryptography.EncryptDataArrayAsync(ms.ToArray(),
Authentification.AppPassword.Password, Authentification.AppPassword.Salt).ConfigureAwait(false);
MemoryStream encryptedMS = new MemoryStream();
await encryptedMS.WriteAsync(array, 0, array.Length).ConfigureAwait(false);
await IOProxy.WriteMemoryStreamToFileAsync(encryptedMS, ".session").ConfigureAwait(false);
}
public static async void SaveSettings()
{
await IOProxy.WriteMemoryStreamToFileAsync(paramters.Serialize(), ".config");
}
