private static async Task<HttpResponseMessage> UrlRequest(string request, HttpMethod httpMethod, Dictionary<string, string> data = null, Dictionary<string, string> cookies = null, string referer = null, RequestOptions requestOptions = RequestOptions.None) {
if (string.IsNullOrEmpty(request) || httpMethod == null) {
return null;
}
HttpResponseMessage responseMessage;
using (HttpRequestMessage requestMessage = new HttpRequestMessage(httpMethod, request)) {
if (data != null) {
try {
requestMessage.Content = new FormUrlEncodedContent(data);
} catch (UriFormatException e) {
Logging.LogGenericException(e);
return null;
}
}
if (cookies != null && cookies.Count > 0) {
StringBuilder cookieHeader = new StringBuilder();
foreach (KeyValuePair<string, string> cookie in cookies) {
cookieHeader.Append(cookie.Key + "=" + cookie.Value + ";");
}
requestMessage.Headers.Add("Cookie", cookieHeader.ToString());
}
if (referer != null) {
requestMessage.Headers.Referrer = new Uri(referer);
}
if (requestOptions.HasFlag(RequestOptions.FakeUserAgent)) {
requestMessage.Headers.UserAgent.ParseAdd(FakeUserAgent);
}
if (requestOptions.HasFlag(RequestOptions.XMLHttpRequest)) {
requestMessage.Headers.Add("X-Requested-With", "XMLHttpRequest");
}
try {
responseMessage = await HttpClient.SendAsync(requestMessage).ConfigureAwait(false);
} catch { // Request failed, we don't need to know the exact reason, swallow exception
return null;
}
}
if (responseMessage == null || !responseMessage.IsSuccessStatusCode) {
return null;
}
return responseMessage;
}