static void OnAlertReceived(object sender, IotqiAlert e)
{
Console.WriteLine();
Console.WriteLine("InEventReceiver() - AlertName: {0}, Value: {1}, Data: {2}", e.AlertName, e.AlertValue, e.AlertData);
Console.WriteLine();
Console.WriteLine();
}
// POST webhook/Iotqi
public HttpResponseMessage Post([FromBody] IotqiAlert alertContent)
{
if (!IotqiWebhook.ValidateWebhookObject(Request, alertContent))
{
return(Request.CreateResponse(HttpStatusCode.BadRequest));;
}
//process actions to be taken here
Program.dispatcher.Dispatch(alertContent);
return(Request.CreateResponse(HttpStatusCode.OK));
}
public void Dispatch(IotqiAlert alertContent)
{
Alert?.Invoke(this, alertContent);
}
internal static bool ValidateWebhookObject(HttpRequestMessage webhookMessage, IotqiAlert alertContent)
{
var signatureReceived = "";
var signatureComputed = "";
if (webhookMessage.Headers.TryGetValues("X-Iotqi-Signature", out IEnumerable <string> headerValues))
{
signatureReceived = headerValues.FirstOrDefault();
signatureComputed = IotqiWebhook.GetHashString(JsonConvert.SerializeObject(alertContent).ToLower() + Program.WebhookCredentials);
}
if (!string.IsNullOrEmpty(signatureReceived) && signatureReceived != signatureComputed)
{
return(false); // received signature is invalid
}
if (string.IsNullOrEmpty(alertContent.AlertName))
{
return(false); // alerts must contain names; if this is null, the webhook POST is malformed
}
return(true);
}