/// <summary>
/// Post the parameters "x-www-form-urlencoded"
/// </summary>
/// <param name="webRequest"></param>
public static void UploadFormUrlEncoded(HttpWebRequest webRequest, IDictionary <string, object> parameters)
{
webRequest.ContentType = "application/x-www-form-urlencoded";
string urlEncoded = NetworkHelper.GenerateQueryParameters(parameters);
byte[] data = Encoding.UTF8.GetBytes(urlEncoded);
using (var requestStream = webRequest.GetRequestStream()) {
requestStream.Write(data, 0, data.Length);
}
}
/// <summary>
/// Make the actual OAuth request, all oauth parameters are passed as header (default) and the others are placed in the url or post data.
/// Any additional parameters added after the Sign call are not in the signature, this could be by design!
/// </summary>
/// <param name="method"></param>
/// <param name="requestURL"></param>
/// <param name="headers"></param>
/// <param name="parameters"></param>
/// <param name="postData">IBinaryParameter</param>
/// <returns>Response from server</returns>
private string MakeRequest(HTTPMethod method, string requestURL, IDictionary <string, string> headers, IDictionary <string, object> parameters, IBinaryContainer postData)
{
if (parameters == null)
{
throw new ArgumentNullException("parameters");
}
IDictionary <string, object> requestParameters;
// Add oAuth values as HTTP headers, if this is allowed
StringBuilder authHeader = null;
if (UseHTTPHeadersForAuthorization)
{
authHeader = new StringBuilder();
requestParameters = new Dictionary <string, object>();
foreach (string parameterKey in parameters.Keys)
{
if (parameterKey.StartsWith(OAUTH_PARAMETER_PREFIX))
{
authHeader.AppendFormat(CultureInfo.InvariantCulture, "{0}=\"{1}\", ", parameterKey, UrlEncode3986(string.Format("{0}", parameters[parameterKey])));
}
else if (!requestParameters.ContainsKey(parameterKey))
{
requestParameters.Add(parameterKey, parameters[parameterKey]);
}
}
// Remove trailing comma and space and add it to the headers
if (authHeader.Length > 0)
{
authHeader.Remove(authHeader.Length - 2, 2);
}
}
else
{
requestParameters = parameters;
}
if (HTTPMethod.GET == method || postData != null)
{
if (requestParameters.Count > 0)
{
// Add the parameters to the request
requestURL += "?" + NetworkHelper.GenerateQueryParameters(requestParameters);
}
}
// Create webrequest
HttpWebRequest webRequest = NetworkHelper.CreateWebRequest(requestURL);
webRequest.Method = method.ToString();
webRequest.ServicePoint.Expect100Continue = false;
webRequest.UserAgent = _userAgent;
webRequest.Timeout = 100000;
if (UseHTTPHeadersForAuthorization && authHeader != null)
{
LOG.DebugFormat("Authorization: OAuth {0}", authHeader);
webRequest.Headers.Add("Authorization: OAuth " + authHeader);
}
if (headers != null)
{
foreach (string key in headers.Keys)
{
webRequest.Headers.Add(key, headers[key]);
}
}
if ((HTTPMethod.POST == method || HTTPMethod.PUT == method) && postData == null && requestParameters.Count > 0)
{
if (UseMultipartFormData)
{
NetworkHelper.WriteMultipartFormData(webRequest, requestParameters);
}
else
{
StringBuilder form = new StringBuilder();
foreach (string parameterKey in requestParameters.Keys)
{
if (parameters[parameterKey] is IBinaryContainer)
{
IBinaryContainer binaryParameter = parameters[parameterKey] as IBinaryContainer;
form.AppendFormat(CultureInfo.InvariantCulture, "{0}={1}&", UrlEncode3986(parameterKey), UrlEncode3986(binaryParameter.ToBase64String(Base64FormattingOptions.None)));
}
else
{
form.AppendFormat(CultureInfo.InvariantCulture, "{0}={1}&", UrlEncode3986(parameterKey), UrlEncode3986(string.Format("{0}", parameters[parameterKey])));
}
}
// Remove trailing &
if (form.Length > 0)
{
form.Remove(form.Length - 1, 1);
}
webRequest.ContentType = "application/x-www-form-urlencoded";
byte[] data = Encoding.UTF8.GetBytes(form.ToString());
using (var requestStream = webRequest.GetRequestStream()) {
requestStream.Write(data, 0, data.Length);
}
}
}
else if (postData != null)
{
postData.Upload(webRequest);
}
else
{
webRequest.ContentLength = 0;
}
string responseData;
try {
responseData = NetworkHelper.GetResponse(webRequest);
LOG.DebugFormat("Response: {0}", responseData);
} catch (Exception ex) {
LOG.Error("Couldn't retrieve response: ", ex);
throw;
} finally {
webRequest = null;
}
return(responseData);
}