/// <summary>
/// Prepare and send the http(s) request
/// </summary>
/// <returns></returns>
internal async Task SendRequest(bool enable100ContinueBehaviour, bool isTransparent, CancellationToken cancellationToken)
{
var upstreamProxy = Connection.UpStreamProxy;
bool useUpstreamProxy = upstreamProxy != null && Connection.IsHttps == false;
var serverStream = Connection.Stream;
string url;
if (!useUpstreamProxy || isTransparent)
{
url = Request.RequestUriString;
}
else
{
url = Request.RequestUri.ToString();
}
string?upstreamProxyUserName = null;
string?upstreamProxyPassword = null;
// Send Authentication to Upstream proxy if needed
if (!isTransparent && upstreamProxy != null &&
Connection.IsHttps == false &&
!string.IsNullOrEmpty(upstreamProxy.UserName) &&
upstreamProxy.Password != null)
{
upstreamProxyUserName = upstreamProxy.UserName;
upstreamProxyPassword = upstreamProxy.Password;
}
// prepare the request & headers
var headerBuilder = new HeaderBuilder();
headerBuilder.WriteRequestLine(Request.Method, url, Request.HttpVersion);
headerBuilder.WriteHeaders(Request.Headers, !isTransparent, upstreamProxyUserName, upstreamProxyPassword);
// write request headers
await serverStream.WriteHeadersAsync(headerBuilder, cancellationToken);
if (enable100ContinueBehaviour && Request.ExpectContinue)
{
// wait for expectation response from server
await ReceiveResponse(cancellationToken);
if (Response.StatusCode == (int)HttpStatusCode.Continue)
{
Request.ExpectationSucceeded = true;
}
else
{
Request.ExpectationFailed = true;
}
}
}
/// <summary>
/// Prepare and send the http(s) request
/// </summary>
/// <returns></returns>
internal async Task SendRequest(bool enable100ContinueBehaviour, bool isTransparent,
CancellationToken cancellationToken)
{
var upstreamProxy = Connection.UpStreamProxy;
bool useUpstreamProxy = upstreamProxy != null && Connection.IsHttps == false;
var writer = Connection.StreamWriter;
string url;
if (useUpstreamProxy || isTransparent)
{
url = Request.RequestUriString;
}
else
{
url = Request.RequestUri.GetOriginalPathAndQuery();
}
var headerBuilder = new HeaderBuilder();
// prepare the request & headers
headerBuilder.WriteRequestLine(Request.Method, url, Request.HttpVersion);
// Send Authentication to Upstream proxy if needed
if (!isTransparent && upstreamProxy != null &&
Connection.IsHttps == false &&
!string.IsNullOrEmpty(upstreamProxy.UserName) &&
upstreamProxy.Password != null)
{
headerBuilder.WriteHeader(HttpHeader.ProxyConnectionKeepAlive);
headerBuilder.WriteHeader(HttpHeader.GetProxyAuthorizationHeader(upstreamProxy.UserName, upstreamProxy.Password));
}
// write request headers
foreach (var header in Request.Headers)
{
if (isTransparent || header.Name != KnownHeaders.ProxyAuthorization)
{
headerBuilder.WriteHeader(header);
}
}
headerBuilder.WriteLine();
await writer.WriteHeadersAsync(headerBuilder, cancellationToken);
if (enable100ContinueBehaviour && Request.ExpectContinue)
{
// wait for expectation response from server
await ReceiveResponse(cancellationToken);
if (Response.StatusCode == (int)HttpStatusCode.Continue)
{
Request.ExpectationSucceeded = true;
}
else
{
Request.ExpectationFailed = true;
}
}
}
