public async Task Execute(HttpContext httpContext, string id)
{
if (httpContext == null)
{
throw new ArgumentNullException(nameof(httpContext));
}
//This looked like a bug?
if (!httpContext.Request.Headers.TryGetValue("if-none-match", out var etagValue))
{
_Logger.LogError($"Required request header missing - if-none-match.");
httpContext.Response.ContentLength = 0;
httpContext.Response.StatusCode = 400; //TODO!
}
if (!_PublishingId.Validate(id))
{
_Logger.LogError($"Invalid content id - {id}.");
httpContext.Response.StatusCode = 400;
httpContext.Response.ContentLength = 0;
}
var content = await _DbContext.SafeGetContent(id);
if (content == null)
{
//TODO tell CDN to ignore hunting?
_Logger.LogError($"Content not found - {id}.");
httpContext.Response.StatusCode = 404;
httpContext.Response.ContentLength = 0;
return;
}
if (etagValue == content.PublishingId)
{
_Logger.LogWarning($"Matching etag found, responding with 304 - {id}.");
httpContext.Response.StatusCode = 304;
httpContext.Response.ContentLength = 0;
return;
}
//var accepts = httpContext.Request.Headers["accept"].ToHashSet();
//var signedResponse = content.SignedContentTypeName != null && accepts.Contains(content.SignedContentTypeName);
//if (!signedResponse && !accepts.Contains(content.ContentTypeName))
//{
// _Logger.LogWarning($"Cannot give acceptable response, responding with 406 - {id}.");
// httpContext.Response.StatusCode = 406;
// httpContext.Response.ContentLength = 0;
// return;
//}
httpContext.Response.Headers.Add("etag", content.PublishingId);
httpContext.Response.Headers.Add("last-modified", content.Release.ToUniversalTime().ToString("r"));
httpContext.Response.Headers.Add("content-type", content.ContentTypeName);
httpContext.Response.StatusCode = 200;
httpContext.Response.ContentLength = content.Content?.Length ?? throw new InvalidOperationException("SignedContent empty.");
await httpContext.Response.Body.WriteAsync(content.Content);
}
public async Task <IActionResult> Execute(string id, HttpContext httpContext)
{
if (!_PublishingId.Validate(id))
{
return(new BadRequestResult());
}
var e = await _SafeReader.Execute(id);
if (e == null)
{
return(new NotFoundResult());
}
var r = new BinaryContentResponse
{
LastModified = e.Release,
PublishingId = e.PublishingId,
ContentTypeName = e.ContentTypeName,
Content = e.Content,
SignedContentTypeName = e.SignedContentTypeName,
SignedContent = e.SignedContent
};
return(new OkObjectResult(r));
}
public async Task Execute(HttpContext httpContext, string id)
{
if (httpContext.Request.Headers.TryGetValue("if-none-match", out var etagValue))
{
httpContext.Response.ContentLength = 0;
httpContext.Response.StatusCode = 400; //TODO!
}
var parsed = _PublishingId.ParseUri(id);
if (typeof(T) != typeof(ManifestEntity) && !_PublishingId.Validate(id))
{
httpContext.Response.StatusCode = 400;
httpContext.Response.ContentLength = 0;
}
var content = await _SafeReader.Execute(parsed);
if (content == null)
{
//TODO tell CDN to ignore hunting?
httpContext.Response.StatusCode = 404;
httpContext.Response.ContentLength = 0;
return;
}
if (etagValue == content.PublishingId)
{
httpContext.Response.StatusCode = 304;
httpContext.Response.ContentLength = 0;
return;
}
var accepts = httpContext.Request.Headers["accept"].ToHashSet();
var signedResponse = content.SignedContentTypeName != null && accepts.Contains(content.SignedContentTypeName);
if (!signedResponse && !accepts.Contains(content.ContentTypeName))
{
httpContext.Response.StatusCode = 406;
httpContext.Response.ContentLength = 0;
return;
}
httpContext.Response.Headers.Add("etag", content.PublishingId);
httpContext.Response.Headers.Add("last-modified", content.Release.ToUniversalTime().ToString("r"));
httpContext.Response.Headers.Add("content-type", signedResponse ? content.SignedContentTypeName : content.ContentTypeName);
httpContext.Response.Headers.Add("x-vws-signed", signedResponse.ToString());
httpContext.Response.StatusCode = 200;
httpContext.Response.ContentLength = (signedResponse ? content.SignedContent : content.Content).Length;
await httpContext.Response.Body.WriteAsync(signedResponse?content.SignedContent : content.Content);
}