public async Task Invoke(HttpContext context)
{
if (!IsEventPost(context))
{
await _next(context);
return;
}
if (_appOptions.EventSubmissionDisabled)
{
context.Response.StatusCode = StatusCodes.Status503ServiceUnavailable;
return;
}
string organizationId = context.Request.GetDefaultOrganizationId();
var organizationTask = _organizationRepository.GetByIdAsync(organizationId, o => o.Cache());
string projectId = context.Request.GetDefaultProjectId();
var projectTask = _projectRepository.GetByIdAsync(projectId, o => o.Cache());
bool tooBig = false;
if (String.Equals(context.Request.Method, "POST", StringComparison.OrdinalIgnoreCase) && context.Request.Headers != null)
{
if (context.Request.Headers.ContentLength.HasValue && context.Request.Headers.ContentLength.Value <= 0)
{
//_metricsClient.Counter(MetricNames.PostsBlocked);
context.Response.StatusCode = StatusCodes.Status411LengthRequired;
await Task.WhenAll(organizationTask, projectTask);
return;
}
long size = context.Request.Headers.ContentLength.GetValueOrDefault();
if (size > 0)
{
_metricsClient.Gauge(MetricNames.PostsSize, size);
}
if (size > _appOptions.MaximumEventPostSize)
{
if (_logger.IsEnabled(LogLevel.Warning))
{
using (_logger.BeginScope(new ExceptionlessState().Value(size).Tag(context.Request.Headers.TryGetAndReturn(Headers.ContentEncoding))))
_logger.SubmissionTooLarge(size);
}
_metricsClient.Counter(MetricNames.PostsDiscarded);
tooBig = true;
}
}
var organization = await organizationTask;
var project = await projectTask;
// block large submissions, client should break them up or remove some of the data.
if (tooBig)
{
await _usageService.IncrementTooBigAsync(organization, project).AnyContext();
context.Response.StatusCode = StatusCodes.Status413RequestEntityTooLarge;
return;
}
bool overLimit = await _usageService.IsOverLimitAsync(organization).AnyContext();
if (overLimit)
{
_metricsClient.Counter(MetricNames.PostsBlocked);
context.Response.StatusCode = StatusCodes.Status402PaymentRequired;
return;
}
context.Request.SetOrganization(organization);
context.Request.SetProject(project);
await _next(context);
}