The next generation of the Teknik Services. Written in ASP.NET. https://www.teknik.io/
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using Microsoft.AspNetCore.Mvc;
using System;
using System.IO;
using System.IO.Compression;
using System.Net;
namespace Teknik.Utilities
{
/// <summary>
/// Result for relaying an HttpWebResponse
/// </summary>
public class HttpWebResponseResult : ActionResult
{
private readonly HttpWebResponse _response;
private readonly ActionResult _innerResult;
/// <summary>
/// Relays an HttpWebResponse as verbatim as possible.
/// </summary>
/// <param name="responseToRelay">The HTTP response to relay</param>
public HttpWebResponseResult(HttpWebResponse responseToRelay)
{
if (responseToRelay == null)
{
throw new ArgumentNullException("response");
}
_response = responseToRelay;
Stream contentStream;
if (responseToRelay.ContentEncoding.Contains("gzip"))
{
contentStream = new GZipStream(responseToRelay.GetResponseStream(), CompressionMode.Decompress);
}
else if (responseToRelay.ContentEncoding.Contains("deflate"))
{
contentStream = new DeflateStream(responseToRelay.GetResponseStream(), CompressionMode.Decompress);
}
else
{
contentStream = responseToRelay.GetResponseStream();
}
if (string.IsNullOrEmpty(responseToRelay.CharacterSet))
{
// File result
_innerResult = new FileStreamResult(contentStream, responseToRelay.ContentType);
}
else
{
// Text result
var contentResult = new ContentResult();
contentResult = new ContentResult();
contentResult.Content = new StreamReader(contentStream).ReadToEnd();
_innerResult = contentResult;
}
}
public override void ExecuteResult(ActionContext context)
{
var clientResponse = context.HttpContext.Response;
clientResponse.StatusCode = (int)_response.StatusCode;
foreach (var headerKey in _response.Headers.AllKeys)
{
switch (headerKey)
{
case "Content-Length":
case "Transfer-Encoding":
case "Content-Encoding":
// Handled by IIS
break;
default:
clientResponse.Headers.Add(headerKey, _response.Headers[headerKey]);
break;
}
}
_innerResult.ExecuteResult(context);
}
}
public enum ResultType
{
Passthrough,
Json
}
}