/// <summary>
/// Starts SSL/TLS on a connection. This can be used for old Jabber style SSL.
/// </summary>
/// <param name="cancellationToken"></param>
/// <returns></returns>
private async Task DoSslAsync(CancellationToken cancellationToken)
{
await Task.Run(async() =>
{
var tlsSettingsProvider = await TlsSettingsProvider.ProvideAsync(this);
XmppSessionState.Value = SessionState.Securing;
var tlsHandler =
new TlsHandler(stream
=> new SslStream(stream,
true,
(sender, certificate, chain, errors) => CertificateValidator.RemoteCertificateValidationCallback(sender, certificate, chain, errors)),
tlsSettingsProvider);
Pipeline.AddFirst(tlsHandler);
XmppSessionState.Value = SessionState.Secure;
}, cancellationToken);
}
/// <summary>
/// Handle StartTls asynchronous
/// </summary>
/// <param name="cancellationToken"></param>
/// <returns></returns>
private async Task <StreamFeatures> DoStartTlsAsync(CancellationToken cancellationToken)
{
XmppSessionState.Value = SessionState.Securing;
var tlsSettingsProvider = await TlsSettingsProvider.ProvideAsync(this);
var tlsHandler =
new TlsHandler(stream
=> new SslStream(stream,
true,
(sender, certificate, chain, errors) => CertificateValidator.RemoteCertificateValidationCallback(sender, certificate, chain, errors)),
tlsSettingsProvider);
await SendAsync <Proceed>(new StartTls(), cancellationToken);
Pipeline.AddFirst(tlsHandler);
var streamFeatures = await ResetStreamAsync(cancellationToken);
XmppSessionState.Value = SessionState.Secure;
return(streamFeatures);
}