static Task <WebResponse> ExecHttpRequestInternalAsync(Context ctx, CURLResource ch, Uri uri)
{
var req = WebRequest.CreateHttp(uri);
// setup request:
Debug.Assert(ch.Method != null, "Method == null");
req.Method = ch.Method;
req.AllowAutoRedirect = ch.FollowLocation && ch.MaxRedirects != 0;
req.Timeout = ch.Timeout <= 0 ? System.Threading.Timeout.Infinite : ch.Timeout;
req.ContinueTimeout = ch.ContinueTimeout;
req.Accept = "*/*"; // default value
if (req.AllowAutoRedirect)
{
// equal or less than 0 will cause exception
req.MaximumAutomaticRedirections = ch.MaxRedirects < 0 ? int.MaxValue : ch.MaxRedirects;
}
if (ch.CookieContainer != null)
{
if (ch.Result != null)
{
// pass cookies from previous response to the request
AddCookies(ch.Result.Cookies, ch.CookieContainer);
}
req.CookieContainer = ch.CookieContainer;
}
//req.AutomaticDecompression = (DecompressionMethods)~0; // NOTICE: this nullify response Content-Length and Content-Encoding
if (ch.CookieHeader != null)
{
TryAddCookieHeader(req, ch.CookieHeader);
}
if (ch.Username != null)
{
req.Credentials = new NetworkCredential(ch.Username, ch.Password ?? string.Empty);
}
// TODO: certificate
if (!string.IsNullOrEmpty(ch.ProxyType) && !string.IsNullOrEmpty(ch.ProxyHost))
{
req.Proxy = new WebProxy($"{ch.ProxyType}://{ch.ProxyHost}:{ch.ProxyPort}")
{
Credentials = string.IsNullOrEmpty(ch.ProxyUsername)
? null
: new NetworkCredential(ch.ProxyUsername, ch.ProxyPassword ?? string.Empty)
};
}
else
{
// by default, curl does not go through system proxy
req.Proxy = s_DefaultProxy;
}
//
ch.ApplyOptions(ctx, req);
// make request:
// GET, HEAD
if (string.Equals(ch.Method, WebRequestMethods.Http.Get, StringComparison.OrdinalIgnoreCase))
{
WriteRequestStream(ctx, req, ch, ch.ProcessingRequest.Stream);
}
else if (string.Equals(ch.Method, WebRequestMethods.Http.Head, StringComparison.OrdinalIgnoreCase))
{
//
}
// POST
else if (string.Equals(ch.Method, WebRequestMethods.Http.Post, StringComparison.OrdinalIgnoreCase))
{
ProcessPost(ctx, req, ch);
}
// PUT
else if (string.Equals(ch.Method, WebRequestMethods.Http.Put, StringComparison.OrdinalIgnoreCase))
{
ProcessPut(ctx, req, ch);
}
// DELETE, or custom method
else
{
// custom method, nothing to do
}
//
if (ch.StoreRequestHeaders)
{
ch.RequestHeaders = HttpHeaders.HeaderString(req); // and restore it when constructing CURLResponse
}
//
return(req.GetResponseAsync());
}
static Task <WebResponse> ExecHttpRequestInternalAsync(Context ctx, CURLResource ch, Uri uri)
{
var req = WebRequest.CreateHttp(uri);
// setup request:
Debug.Assert(ch.Method != null, "Method == null");
req.Method = ch.Method;
req.AllowAutoRedirect = ch.FollowLocation;
req.Timeout = ch.Timeout;
req.ContinueTimeout = ch.ContinueTimeout;
req.MaximumAutomaticRedirections = ch.MaxRedirects;
//req.AutomaticDecompression = (DecompressionMethods)~0; // NOTICE: this nullify response Content-Length and Content-Encoding
if (ch.CookieHeader != null)
{
TryAddCookieHeader(req, ch.CookieHeader);
}
if (ch.CookieFileSet)
{
req.CookieContainer = new CookieContainer();
}
if (ch.Username != null)
{
req.Credentials = new NetworkCredential(ch.Username, ch.Password ?? string.Empty);
}
if (ch.AcceptEncoding != null)
{
req.Accept = ch.AcceptEncoding;
}
// TODO: certificate
// TODO: proxy
foreach (var option in ch.Options)
{
option.Apply(req);
}
// make request:
// GET, HEAD
if (string.Equals(ch.Method, WebRequestMethods.Http.Get, StringComparison.OrdinalIgnoreCase) ||
string.Equals(ch.Method, WebRequestMethods.Http.Head, StringComparison.OrdinalIgnoreCase))
{
// nothing to do
}
// POST
else if (string.Equals(ch.Method, WebRequestMethods.Http.Post, StringComparison.OrdinalIgnoreCase))
{
ProcessPost(ctx, req, ch);
}
// PUT
else if (string.Equals(ch.Method, WebRequestMethods.Http.Put, StringComparison.OrdinalIgnoreCase))
{
ProcessPut(req, ch);
}
// DELETE, or custom method
else
{
// custom method, nothing to do
}
//
if (ch.StoreRequestHeaders)
{
ch.RequestHeaders = HttpHeaders.HeaderString(req); // and restore it when constructing CURLResponse
}
//
return(req.GetResponseAsync());
}
