public async Task <SlackResponse> HandleEventRequest(HttpRequest request, SlackEndpointConfiguration config)
{
if (request.Method != "POST")
{
return(new EmptyResponse(HttpStatusCode.MethodNotAllowed));
}
if (request.ContentType != "application/json")
{
return(new EmptyResponse(HttpStatusCode.UnsupportedMediaType));
}
var requestBody = await ReadString(request).ConfigureAwait(false);
var eventRequest = DeserializeEventRequest(requestBody);
if (!VerifyRequest(requestBody, request.Headers, eventRequest.Token, config))
{
return(new StringResponse(HttpStatusCode.BadRequest, "Invalid signature/token"));
}
switch (eventRequest)
{
case UrlVerification urlVerification:
return(new StringResponse(HttpStatusCode.OK, urlVerification.Challenge));
case EventCallback eventCallback:
_slackEvents.Handle(eventCallback);
return(new EmptyResponse(HttpStatusCode.OK));
default:
return(new StringResponse(HttpStatusCode.BadRequest, "Unrecognized content"));
}
}
private async Task <HttpResponse> HandleSlackEvent(HttpContext context)
{
if (context.Request.Method != "POST")
{
return(await context.Respond(HttpStatusCode.MethodNotAllowed).ConfigureAwait(false));
}
if (context.Request.ContentType != "application/json")
{
return(await context.Respond(HttpStatusCode.UnsupportedMediaType).ConfigureAwait(false));
}
var requestBody = await new StreamReader(context.Request.Body).ReadToEndAsync().ConfigureAwait(false);
var body = DeserializeRequestBody(requestBody);
if (body is UrlVerification urlVerification && VerifyRequest(requestBody, context.Request.Headers, urlVerification.Token))
{
return(await context.Respond(HttpStatusCode.OK, "application/x-www-form-urlencoded", urlVerification.Challenge).ConfigureAwait(false));
}
if (body is EventCallback eventCallback && VerifyRequest(requestBody, context.Request.Headers, eventCallback.Token))
{
var response = context.Respond(HttpStatusCode.OK).ConfigureAwait(false);
_slackEvents.Handle(eventCallback);
return(await response);
}
return(await context.Respond(HttpStatusCode.BadRequest, body : "Invalid signature/token or unrecognized content").ConfigureAwait(false));
}
public void Handle(EventCallback eventCallback) => _events.Handle(eventCallback);
