private async Task ProxyTheRequest(IOwinContext context, HttpRequestMessage proxyRequest, ProxyRule proxyRule)
{
using (var responseMessage = await _httpClient.SendAsync(proxyRequest,
HttpCompletionOption.ResponseHeadersRead,
context.Request.CallCancelled
))
{
if (proxyRule.PreProcessResponse || proxyRule.ResponseModifier == null)
{
context.Response.StatusCode = (int)responseMessage.StatusCode;
context.Response.ContentType = responseMessage.Content?.Headers.ContentType?.MediaType;
foreach (var header in responseMessage.Headers)
{
context.Response.Headers.SetValues(header.Key, header.Value.ToArray());
}
// SendAsync removes chunking from the response.
// This removes the header so it doesn't expect a chunked response.
context.Response.Headers.Remove("transfer-encoding");
if (responseMessage.Content != null)
{
foreach (var contentHeader in responseMessage.Content.Headers)
{
context.Response.Headers.SetValues(contentHeader.Key, contentHeader.Value.ToArray());
}
await responseMessage.Content.CopyToAsync(context.Response.Body);
}
}
if (proxyRule.ResponseModifier != null)
{
await proxyRule.ResponseModifier.Invoke(responseMessage, context);
}
}
}
public void AddProxyRule(ProxyRule rule)
{
ProxyRules.Add(rule);
}
