private async Task <LogOnIdentity> AskForLogOnAsync(LogOnIdentity identity, string encryptedFileFullName)
{
LogOnEventArgs logOnArgs = new LogOnEventArgs()
{
DisplayPassphrase = _userSettings.DisplayEncryptPassphrase,
Identity = identity,
EncryptedFileFullName = encryptedFileFullName,
};
await OnLoggingOnAsync(logOnArgs);
while (logOnArgs.IsAskingForPreviouslyUnknownPassphrase)
{
LogOnIdentity newIdentity = await AskForNewEncryptionPassphraseAsync(logOnArgs.Passphrase, encryptedFileFullName);
if (newIdentity != LogOnIdentity.Empty)
{
return(newIdentity);
}
logOnArgs.IsAskingForPreviouslyUnknownPassphrase = false;
await OnLoggingOnAsync(logOnArgs);
}
if (logOnArgs.Cancel || logOnArgs.Passphrase == Passphrase.Empty)
{
return(LogOnIdentity.Empty);
}
_userSettings.DisplayEncryptPassphrase = logOnArgs.DisplayPassphrase;
return(await LogOnIdentityFromCredentialsAsync(EmailAddress.Parse(logOnArgs.UserEmail), logOnArgs.Passphrase));
}
private async Task <LogOnIdentity> AskForNewEncryptionPassphraseAsync(Passphrase defaultPassphrase, string encryptedFileFullName)
{
LogOnEventArgs logOnArgs = new LogOnEventArgs()
{
IsAskingForPreviouslyUnknownPassphrase = true,
DisplayPassphrase = _userSettings.DisplayEncryptPassphrase,
Passphrase = defaultPassphrase,
EncryptedFileFullName = encryptedFileFullName,
};
await OnLoggingOnAsync(logOnArgs);
return(await AddKnownIdentityFromEventAsync(logOnArgs));
}
private async Task <LogOnIdentity> AskForDecryptPassphraseActionAsync(string encryptedFileFullName)
{
LogOnEventArgs logOnArgs = new LogOnEventArgs()
{
DisplayPassphrase = _userSettings.DisplayEncryptPassphrase,
Identity = LogOnIdentity.Empty,
EncryptedFileFullName = encryptedFileFullName,
};
await OnLoggingOnAsync(logOnArgs);
LogOnIdentity identy = await AddKnownIdentityFromEventAsync(logOnArgs);
if (!_knownIdentities.IsLoggedOn && identy.UserEmail != EmailAddress.Empty)
{
await _knownIdentities.SetDefaultEncryptionIdentity(identy);
}
return(identy);
}
private async Task <LogOnIdentity> AddKnownIdentityFromEventAsync(LogOnEventArgs logOnArgs)
{
if (logOnArgs.Cancel || logOnArgs.Passphrase == Passphrase.Empty)
{
return(LogOnIdentity.Empty);
}
_userSettings.DisplayEncryptPassphrase = logOnArgs.DisplayPassphrase;
Passphrase passphrase = logOnArgs.Passphrase;
LogOnIdentity identity = await LogOnIdentityFromCredentialsAsync(EmailAddress.Parse(logOnArgs.UserEmail), passphrase);
if (identity == LogOnIdentity.Empty)
{
identity = new LogOnIdentity(passphrase);
_fileSystemState.KnownPassphrases.Add(passphrase);
await _fileSystemState.Save();
}
await _knownIdentities.AddAsync(identity);
return(identity);
}
protected virtual async Task OnLoggingOnAsync(LogOnEventArgs e)
{
StartSigningInWithOnlineStateRechecked();
await(LoggingOnAsync?.Invoke(e) ?? Constant.CompletedTask);
}