Stream GridEventHandler(Stream input)
{
// Check Auth and return immediately if no valid code is provided
if (!AuthorizedRequest(WebOperationContext.Current))
{
Console.WriteLine("Received unauthorized request");
return(UnauthorizedStream(WebOperationContext.Current));
}
string body = new StreamReader(input).ReadToEnd();
PrintRequest(WebOperationContext.Current, body);
AzureEventGridEvent[] events = AzureEventGridEvent.DeserializeAzureEventGridEvents(body);
// If event received is a SubscriptionValidationEvent, handle it appropriately
if (events.Length == 1 && events[0].EventType == "Microsoft.EventGrid.SubscriptionValidationEvent")
{
// For a validation event, return the cookie embedded in the data.validationCode field.
return(ValidationResponseStream(WebOperationContext.Current, events[0]));
}
// For any event which is not a SubscriptionValidateEvent, just return 200 - Got It
return(GotItStream(WebOperationContext.Current));
}
Stream ValidationResponseStream(WebOperationContext ctx, AzureEventGridEvent validationEvent)
{
string validationCode = (string)((JObject)validationEvent.Data)["validationCode"];
ctx.OutgoingResponse.ContentType = "application/json";
string responseBody = "{\"validationResponse\": \"" + validationCode + "\"}";
Stream output = new MemoryStream(Encoding.UTF8.GetBytes(responseBody));
output.Position = 0;
return(output);
}