public void Init() { _Aggregator.Subscribe <NBXplorerStateChangedEvent>(async(s, evt) => { if (evt.NewState == NBXplorerState.Ready) { s.Unsubscribe(); try { var callback = await _CallbackController.GetCallbackBlockUriAsync(); await _CallbackController.RegisterCallbackBlockUriAsync(callback); Logs.PayServer.LogInformation($"Registering block callback to " + callback); } catch (Exception ex) { Logs.PayServer.LogError(ex, "Could not register block callback"); s.Resubscribe(); } } }); }
public async Task Invoke(HttpContext httpContext) { if (!_Registered) { var callback = await _CallbackController.RegisterCallbackBlockUriAsync(httpContext.Request); Logs.PayServer.LogInformation($"Registering block callback to " + callback); _Registered = true; } // Make sure that code executing after this point think that the external url has been hit. if (_Options.ExternalUrl != null) { httpContext.Request.Scheme = _Options.ExternalUrl.Scheme; if (_Options.ExternalUrl.IsDefaultPort) { httpContext.Request.Host = new HostString(_Options.ExternalUrl.Host); } else { httpContext.Request.Host = new HostString(_Options.ExternalUrl.Host, _Options.ExternalUrl.Port); } } httpContext.Request.Headers.TryGetValue("x-signature", out StringValues values); var sig = values.FirstOrDefault(); httpContext.Request.Headers.TryGetValue("x-identity", out values); var id = values.FirstOrDefault(); if (!string.IsNullOrEmpty(sig) && !string.IsNullOrEmpty(id)) { httpContext.Request.EnableRewind(); string body = string.Empty; if (httpContext.Request.ContentLength != 0 && httpContext.Request.Body != null) { using (StreamReader reader = new StreamReader(httpContext.Request.Body, Encoding.UTF8, true, 1024, true)) { body = reader.ReadToEnd(); } httpContext.Request.Body.Position = 0; } var url = httpContext.Request.GetEncodedUrl(); try { var key = new PubKey(id); if (BitIdExtensions.CheckBitIDSignature(key, sig, url, body)) { var bitid = new BitIdentity(key); httpContext.User = new GenericPrincipal(bitid, new string[0]); Logs.PayServer.LogDebug($"BitId signature check success for SIN {bitid.SIN}"); } } catch (FormatException) { } if (!(httpContext.User.Identity is BitIdentity)) { Logs.PayServer.LogDebug("BitId signature check failed"); } } try { await _Next(httpContext); } catch (UnauthorizedAccessException ex) { await HandleBitpayHttpException(httpContext, new BitpayHttpException(401, ex.Message)); } catch (BitpayHttpException ex) { await HandleBitpayHttpException(httpContext, ex); } catch (Exception ex) { Logs.PayServer.LogCritical(new EventId(), ex, "Unhandled exception in BTCPayMiddleware"); throw; } }