public async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
{
var httpContext = context.HttpContext;
//var action = actionContext.RouteData.Values["action"];
//var controller = actionContext.RouteData.Values["controller"];
var key = $"{httpContext.GetRemoteIpAddressToIPv4()}_{httpContext.Request.GetRequestUrlAddress()}";
IDistributedCache cache = App.GetService <IDistributedCache>();
if (cache.Exist(key))
{
context.Result = Provider.CreateResponse(new AvoidRepeatableRequestContext(httpContext, key));
httpContext.Response.StatusCode = (int)HttpStatusCode.Forbidden;
}
else
{
cache.Set(key, 1, Seconds);
}
await next();
}
public async Task <bool> Exist(string key)
{
return(await _cache.Exist(key));
}