/// <summary>
/// Called asynchronously before the action, after model binding is complete.
/// </summary>
/// <param name="context">The <see cref="ActionExecutingContext" />.</param>
/// <param name="next">The <see cref="ActionExecutionDelegate" />. Invoked to execute the next action filter or the action itself.</param>
/// <returns>A <see cref="Task" /> that on completion indicates the filter has executed.</returns>
public override async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
{
await AspNetCoreInfrastructure.InvokeUserAgentSentinelAsync(context.HttpContext, Options, (message, response) =>
{
response.StatusCode = (int)message.StatusCode;
response.Headers.AddOrUpdateHeaders(message.Headers);
}).ContinueWithSuppressedContext();
await next().ContinueWithSuppressedContext();
}
/// <summary>
/// Executes the <see cref="ThrottlingSentinelMiddleware" />.
/// </summary>
/// <param name="context">The context of the current request.</param>
/// <param name="tc">The dependency injected <see cref="IThrottlingCache"/> of <see cref="InvokeAsync"/>.</param>
/// <returns>A task that represents the execution of this middleware.</returns>
public override async Task InvokeAsync(HttpContext context, IThrottlingCache tc)
{
var exception = false;
try
{
await AspNetCoreInfrastructure.InvokeThrottlerSentinelAsync(context, tc, Options, async (message, response) =>
{
response.StatusCode = (int)message.StatusCode;
response.Headers.AddOrUpdateHeaders(message.Headers);
await response.Body.WriteAsync(await message.Content.ReadAsByteArrayAsync());
});
}
catch (ThrottlingException)
{
exception = true;
}
if (!exception)
{
await Next(context).ContinueWithSuppressedContext();
}
}
