/// <summary>Processes the API request.</summary>
/// <param name="context">The context.</param>
/// <param name="httpcontext">The httpcontext.</param>
/// <param name="contextResolver">The context resolver.</param>
/// <param name="requestPipeline">The request pipeline.</param>
/// <param name="defaultRequestConfiguration">The default request configuration.</param>
/// <returns></returns>
internal static async Task <bool> ProcessApiRequest(
this ApiRequestContext context,
HttpContext httpcontext,
IApiRequestContextResolver contextResolver,
IApiRequestPipeline requestPipeline,
IDeepSleepRequestConfiguration defaultRequestConfiguration)
{
if (!context.RequestAborted.IsCancellationRequested)
{
await requestPipeline.Run(contextResolver);
context.SetThreadCulure();
var responseDate = DateTimeOffset.UtcNow;
context.Response.Date = responseDate;
context.Response.AddHeader(
name: "Date",
value: responseDate.ToString("r"),
append: false,
allowMultiple: false);
httpcontext.Response.Headers.Add("Date", responseDate.ToString("r"));
// Sync up the expire header for nocache requests with the date header being used
var contextExpiresHeader = context.Response.Headers.FirstOrDefault(h => h.Name == "Expires");
var expirationSeconds = context.Configuration?.CacheDirective?.ExpirationSeconds
?? defaultRequestConfiguration?.CacheDirective?.ExpirationSeconds
?? ApiRequestContext.GetDefaultRequestConfiguration().CacheDirective.ExpirationSeconds.Value;
var cacheability = context.Configuration?.CacheDirective?.Cacheability
?? defaultRequestConfiguration?.CacheDirective?.Cacheability
?? ApiRequestContext.GetDefaultRequestConfiguration().CacheDirective.Cacheability.Value;
if (contextExpiresHeader != null)
{
if (cacheability == HttpCacheType.NoCache && expirationSeconds > 0)
{
contextExpiresHeader.Value = responseDate.AddSeconds(-1).ToString("r");
}
else
{
contextExpiresHeader.Value = responseDate.AddSeconds(expirationSeconds).ToString("r");
}
}
// Merge status code to the http response
httpcontext.Response.StatusCode = context.Response.StatusCode;
if (context.Response.ResponseWriter != null && context.Response.ResponseWriterOptions != null)
{
context.Response.AddHeader(
name: "Content-Type",
value: context.Response.ContentType.ToString(),
append: false,
allowMultiple: false);
if (!string.IsNullOrWhiteSpace(context.Response.ContentLanguage))
{
context.Response.AddHeader(
name: "Content-Language",
value: context.Response.ContentLanguage,
append: false,
allowMultiple: false);
}
if (!context.Request.IsHeadRequest())
{
var contentLength = await context.Response.ResponseWriter.WriteType(
stream : httpcontext.Response.Body,
obj : context.Response.ResponseObject,
context.Response.ResponseWriterOptions,
(l) =>
{
context.Response.ContentLength = l;
context.Response.AddHeader(
name: "Content-Length",
value: l.ToString(CultureInfo.InvariantCulture),
append: false,
allowMultiple: false);
AddHeadersToResponse(httpcontext, context);
}).ConfigureAwait(false);
context.Response.ContentLength = contentLength;
}
else
{
using (var ms = new MemoryStream())
{
await context.Response.ResponseWriter.WriteType(
ms,
context.Response.ResponseObject,
context.Response.ResponseWriterOptions).ConfigureAwait(false);
context.Response.ResponseObject = null;
context.Response.ContentLength = ms.Length;
context.Response.AddHeader(
name: "Content-Length",
value: ms.Length.ToString(CultureInfo.InvariantCulture),
append: false,
allowMultiple: false);
AddHeadersToResponse(httpcontext, context);
}
}
}
else
{
context.Response.ContentLength = 0;
context.Response.AddHeader("Content-Length", "0");
AddHeadersToResponse(httpcontext, context);
}
context.Runtime.Duration.UtcEnd = DateTime.UtcNow;
}
return(true);
}
