/// <summary>
/// Initializes a new instance of the <see cref="StartTlsHandler" /> class.
/// </summary>
/// <param name="certificateProvider">The certificate provider.</param>
public StartTlsHandler(ICertificateProvider certificateProvider)
{
Handle(
el => el.OfType <StartTls>(),
async(context, xmppXElement) =>
{
var serverSession = context.Channel.Pipeline.Get <ServerConnectionHandler>();
serverSession.ResetStream();
await SendAsync(new Proceed());
var certConfig = ServerSettings.Certificate(serverSession.XmppDomain);
var tlsCertificate = certificateProvider.RequestCertificate(serverSession.XmppDomain);
context.Channel.Pipeline.AddFirst(TlsHandler.Server(tlsCertificate));
serverSession.SessionState = Matrix.SessionState.Secure;
});
}