/// <summary>
/// Immutable content
/// </summary>
public async Task Execute(HttpContext httpContext, string type, string id)
{
if (httpContext == null)
{
throw new ArgumentNullException(nameof(httpContext));
}
if (!ContentTypes.IsValid(type))
{
_Logger.LogError("Invalid generic content type - {Id}.", id);
httpContext.Response.StatusCode = 400;
httpContext.Response.ContentLength = 0;
}
if (!_PublishingIdService.Validate(id))
{
_Logger.LogError("Invalid content id - {Id}.", id);
httpContext.Response.StatusCode = 400;
httpContext.Response.ContentLength = 0;
}
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;
}
var content = await _DbContext.SafeGetContent(type, id, _DateTimeProvider.Snapshot);
if (content == null)
{
_Logger.LogError("Content not found - {Id}.", id);
httpContext.Response.StatusCode = 404;
httpContext.Response.ContentLength = 0;
return;
}
if (etagValue == content.PublishingId)
{
_Logger.LogWarning("Matching etag found, responding with 304 - {Id}.", id);
httpContext.Response.StatusCode = 304;
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.Headers.Add("cache-control", _HttpResponseHeaderConfig.ImmutableContentCacheControl);
httpContext.Response.StatusCode = 200;
httpContext.Response.ContentLength = content.Content?.Length ?? throw new InvalidOperationException("SignedContent empty.");
await httpContext.Response.Body.WriteAsync(content.Content);
}
/// <summary>
/// Immutable content
/// </summary>
public async Task <ContentEntity> ExecuteAsync(HttpContext httpContext, string type, string id)
{
if (httpContext == null)
{
throw new ArgumentNullException(nameof(httpContext));
}
if (!_publishingIdService.Validate(id))
{
_logger.WriteInvalidId(id);
httpContext.Response.StatusCode = 400;
httpContext.Response.ContentLength = 0;
}
if (!ContentTypes.IsValid(type))
{
_logger.WriteInvalidType(id);
httpContext.Response.StatusCode = 400;
httpContext.Response.ContentLength = 0;
}
if (!httpContext.Request.Headers.TryGetValue("if-none-match", out var etagValue))
{
_logger.WriteHeaderMissing();
httpContext.Response.ContentLength = 0;
httpContext.Response.StatusCode = 400;
}
var content = await _dbContext.SafeGetContentAsync(type, id, _dateTimeProvider.Snapshot);
if (content == null)
{
_logger.WriteNotFound(id);
httpContext.Response.StatusCode = 404;
httpContext.Response.ContentLength = 0;
return(null);
}
if (etagValue == content.PublishingId)
{
_logger.WriteEtagFound(id);
httpContext.Response.StatusCode = 304;
httpContext.Response.ContentLength = 0;
return(null);
}
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.");
return(content);
}