public async Task <ResponseHandlerResult> HandleResponseAsync(HttpContextBase context, IResponse suggestedResponse, ICache cache, string cacheKey)
{
context.ThrowIfNull("context");
suggestedResponse.ThrowIfNull("suggestedResponse");
StatusAndSubStatusCode statusCode = suggestedResponse.StatusCode;
if (!_statusCodes.Contains(statusCode))
{
return(ResponseHandlerResult.ResponseNotHandled());
}
AcceptHeader[] acceptHeaders = AcceptHeader.ParseMany(context.Request.Headers["Accept"]).ToArray();
if (acceptHeaders.Any() && !acceptHeaders.Any(arg => arg.MediaTypeMatches("text/html")))
{
return(ResponseHandlerResult.ResponseNotHandled());
}
const string format = @"<!DOCTYPE html>
<html>
<head>
<title>{0}</title>
<style>h1 {{ margin: 0; padding: 0; }}</style>
</head>
<body>
<h1>{0}</h1>
<hr/>
HTTP {1}{2}
</body>
</html>";
Response response = new Response(statusCode)
.TextHtml()
.Content(String.Format(format, statusCode.StatusDescription, statusCode.StatusCode, statusCode.SubStatusCode == 0 ? "" : "." + statusCode.SubStatusCode));
response.CachePolicy.NoClientCaching();
await new CacheResponse(response).WriteResponseAsync(context.Response);
context.Response.TrySkipIisCustomErrors = true;
return(ResponseHandlerResult.ResponseWritten());
}
