public async Task OnVpnStateChanged(VpnStateChangedEventArgs e)
{
if (_appSettings.NetworkAdapterType == OpenVpnAdapter.Tun && e.Error == VpnError.TapAdapterInUseError)
{
_modals.Show <TunInUseModalViewModel>();
return;
}
VpnStatus status = e.State.Status;
switch (e.Error)
{
case VpnError.CertRevokedOrExpired:
await _authCertificateManager.ForceRequestNewKeyPairAndCertificateAsync();
await _vpnManager.ReconnectAsync(new VpnReconnectionSettings { IsToReconnectIfDisconnected = true });
return;
case VpnError.CertificateExpired when e.State.Status == VpnStatus.ActionRequired:
_lastAuthCertificate = _appSettings.AuthenticationCertificatePem;
await _authCertificateManager.ForceRequestNewCertificateAsync();
if (FailedToUpdateAuthCert())
{
await _vpnManager.ReconnectAsync(new VpnReconnectionSettings
{
IsToReconnectIfDisconnected = true
});
}
else
{
await _vpnServiceManager.UpdateAuthCertificate(_appSettings.AuthenticationCertificatePem);
}
return;
}
if (ModalShouldBeShown(e))
{
Post(() => ShowModalAsync(e));
}
else
{
if (status == VpnStatus.Pinging ||
status == VpnStatus.Connecting ||
status == VpnStatus.Connected ||
(status == VpnStatus.Disconnecting ||
status == VpnStatus.Disconnected) &&
e.Error == VpnError.None)
{
Post(CloseModalAsync);
}
}
}
private async Task RequestNewKeysAndCertificateOnLoginAsync(bool isAutoLogin)
{
if (isAutoLogin)
{
await _authCertificateManager.RequestNewCertificateAsync();
}
else
{
await _authCertificateManager.ForceRequestNewKeyPairAndCertificateAsync();
}
}
public async Task <AuthCredential> GenerateAsync()
{
AsymmetricKeyPair keyPair = _authKeyManager.GetKeyPairOrNull();
string certificatePem = _appSettings.AuthenticationCertificatePem;
if (keyPair == null)
{
_logger.Info("AuthCredentialManager: Missing auth key pair, requesting new keys and certificate.");
await _authCertificateManager.ForceRequestNewKeyPairAndCertificateAsync();
keyPair = _authKeyManager.GetKeyPairOrNull();
certificatePem = _appSettings.AuthenticationCertificatePem;
}
else if (certificatePem == null)
{
_logger.Info("AuthCredentialManager: Auth keys are present but certificate is missing, requesting new certificate.");
await _authCertificateManager.ForceRequestNewCertificateAsync();
keyPair = _authKeyManager.GetKeyPairOrNull();
certificatePem = _appSettings.AuthenticationCertificatePem;
}
return(new AuthCredential(keyPair, certificatePem));
}