public override WebResponse ExecuteFeed(string feedURL, IProvider provider, Token connectionToken, TRANSPORT_METHOD transportMethod)
{
UriBuilder ub;
/******** retrieve standard Fields ************/
ub = new UriBuilder(feedURL);
ub.SetQueryparameter(AccessTokenQueryParameterKey, connectionToken.AccessToken);
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(ub.ToString());
request.Method = transportMethod.ToString();
//logger.LogContactsRequest(ub.ToString());
WebResponse wr;
try
{
logger.Debug("Executing " + feedURL + " using " + transportMethod.ToString());
wr = (WebResponse)request.GetResponse();
logger.Info("Successfully executed " + feedURL + " using " + transportMethod.ToString());
}
catch (Exception ex)
{
logger.Error(ErrorMessages.CustomFeedExecutionError(feedURL, null), ex);
throw new OAuthException(ErrorMessages.CustomFeedExecutionError(feedURL, null), ex);
}
return(wr);
}
public override WebResponse ExecuteFeed(string feedURL, IProvider provider, Token connectionToken, TRANSPORT_METHOD transportMethod, byte[] content = null, Dictionary <string, string> headers = null)
{
HttpWebRequest request;
request = (HttpWebRequest)HttpWebRequest.Create(feedURL);
request.ServicePoint.Expect100Continue = false;
request.Method = transportMethod.ToString();
//if headers are specified, set/append them
if (headers != null)
{
foreach (var header in headers)
{
switch (header.Key)
{
case "ContentLength":
{
request.ContentLength = long.Parse(header.Value);
break;
}
case "ContentType":
{
request.ContentType = header.Value;
break;
}
default:
{
request.Headers[header.Key] = header.Value;
break;
}
}
}
}
if (request.ContentLength == 0 & content.Length > 0)
{
request.ContentLength = content.Length;
}
request.GetRequestStream().Write(content, 0, content.Length);
WebResponse wr = null;
try
{
logger.Debug("Executing " + feedURL + " using " + transportMethod.ToString());
wr = (WebResponse)request.GetResponse();
logger.Info("Successfully executed " + feedURL + " using " + transportMethod.ToString());
}
catch (Exception ex)
{
logger.Error(ErrorMessages.CustomFeedExecutionError(feedURL, null), ex);
throw new OAuthException(ErrorMessages.CustomFeedExecutionError(feedURL, null), ex);
}
return(wr);
}
public override WebResponse ExecuteFeed(string feedURL, IProvider provider, Token connectionToken, TRANSPORT_METHOD transportMethod)
{
string signature = "";
OAuthHelper oauthHelper = new OAuthHelper();
QueryParameters oauthParams = new QueryParameters();
oauthParams.Add("oauth_consumer_key", provider.Consumerkey);
oauthParams.Add("oauth_nonce", oauthHelper.GenerateNonce());
oauthParams.Add("oauth_signature_method", provider.SignatureMethod.ToString());
oauthParams.Add("oauth_timestamp", oauthHelper.GenerateTimeStamp());
oauthParams.Add("oauth_token", connectionToken.AccessToken);
oauthParams.Add("oauth_version", "1.0");
////1. Generate Signature
signature = oauthHelper.GenerateSignature(new Uri(feedURL), oauthParams, provider.Consumerkey, provider.Consumersecret, provider.SignatureMethod, TRANSPORT_METHOD.GET, connectionToken.TokenSecret);
oauthParams.Add("oauth_signature", signature);
//3.Connect and Execute Feed
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(feedURL);
request.Method = transportMethod.ToString();
request.Headers.Add("Authorization", oauthHelper.GetAuthorizationHeader(oauthParams));
//request.ContentType = "application/atom+xml";
request.ContentLength = 0;
WebResponse wr;
try
{
logger.Debug("Executing " + feedURL + " using " + transportMethod.ToString());
wr = (WebResponse)request.GetResponse();
logger.Info("Successfully executed " + feedURL + " using " + transportMethod.ToString());
}
catch (Exception ex)
{
logger.Error(ErrorMessages.CustomFeedExecutionError(feedURL, oauthParams), ex);
throw new OAuthException(ErrorMessages.CustomFeedExecutionError(feedURL, oauthParams), ex);
}
return(wr);
}
//public static WebResponse ExecuteFeed(string feedURL, TRANSPORT_METHOD transportMethod)
//{
// UriBuilder ub;
// /******** retrieve standard Fields ************/
// ub = new UriBuilder(feedURL);
// //if (oauthParameters != null)
// // foreach (var param in oauthParameters)
// // ub.SetQueryparameter(param.Name, param.Value);
// HttpWebRequest webRequest = null;
// //StreamWriter requestWriter = null;
// webRequest = System.Net.WebRequest.Create(feedURL) as HttpWebRequest;
// webRequest.Method = transportMethod.ToString();
// webRequest.Timeout = 20000;
// if (transportMethod == TRANSPORT_METHOD.POST)
// {
// webRequest.ServicePoint.Expect100Continue = false;
// webRequest.ContentType = "application/x-www-form-urlencoded";
// //requestWriter = new StreamWriter(webRequest.GetRequestStream());
// //try
// //{
// // requestWriter.Write(string.Empty);
// //}
// //catch
// //{
// // throw;
// //}
// //finally
// //{
// // requestWriter.Close();
// // requestWriter = null;
// //}
// }
// WebResponse wr;
// try
// {
// wr = (WebResponse)webRequest.GetResponse();
// }
// catch (Exception ex)
// {
// throw new OAuthException("An Error occurred while executing " + feedURL + "!", ex);
// }
// return wr;
//}
public static WebResponse ExecuteFeed(string feedURL, TRANSPORT_METHOD transportMethod)
{
UriBuilder ub;
/******** retrieve standard Fields ************/
ub = new UriBuilder(feedURL);
//if (oauthParameters != null)
// foreach (var param in oauthParameters)
// ub.SetQueryparameter(param.Name, param.Value);
HttpWebRequest webRequest = null;
//StreamWriter requestWriter = null;
webRequest = System.Net.WebRequest.Create(feedURL) as HttpWebRequest;
webRequest.Method = transportMethod.ToString();
webRequest.Timeout = 20000;
if (transportMethod == TRANSPORT_METHOD.POST)
{
webRequest.ServicePoint.Expect100Continue = false;
webRequest.ContentType = "application/x-www-form-urlencoded";
//requestWriter = new StreamWriter(webRequest.GetRequestStream());
//try
//{
// requestWriter.Write(string.Empty);
//}
//catch
//{
// throw;
//}
//finally
//{
// requestWriter.Close();
// requestWriter = null;
//}
}
WebResponse wr;
try
{
wr = (WebResponse)webRequest.GetResponse();
}
catch (Exception ex)
{
throw new OAuthException("An Error occurred while executing " + feedURL + "!", ex);
}
return(wr);
}
/// <summary>
/// Generate Signature
/// </summary>
/// <param name="requestURL"></param>
/// <param name="oauthParameters"></param>
/// <param name="consumerKey"></param>
/// <param name="consumerSecret"></param>
/// <param name="signatureType"></param>
/// <param name="httpMethod"></param>
/// <param name="tokenSecret"></param>
/// <returns></returns>
public string GenerateSignature(Uri requestURL, QueryParameters oauthParameters, string consumerKey, string consumerSecret,
SIGNATURE_TYPE signatureType, TRANSPORT_METHOD httpMethod, string tokenSecret)
{
QueryParameters tmpOauthParameters = new QueryParameters();
foreach (var param in oauthParameters)
{
if (param.Value != null && (param.Value.ToLower().Contains("http://") || param.Value.ToLower().Contains("https://")))
{
tmpOauthParameters.Add(new QueryParameter(param.Key, Utility.UrlEncode(param.Value)));
}
else if (param.Value != null)
{
tmpOauthParameters.Add(new QueryParameter(param.Key, param.Value));
}
}
tmpOauthParameters[OAuthSignatureMethodKey] = ParseSignatureEnum(signatureType);
string signature = "";
StringBuilder signatureBase = new StringBuilder();
//1. URL encode and process Request URL
string normalizedRequestUrl;
normalizedRequestUrl = string.Format("{0}://{1}", requestURL.Scheme, requestURL.Host);
if (!((requestURL.Scheme == "http" && requestURL.Port == 80) || (requestURL.Scheme == "https" && requestURL.Port == 443)))
{
normalizedRequestUrl += ":" + requestURL.Port;
}
normalizedRequestUrl += requestURL.AbsolutePath;
normalizedRequestUrl = Utility.UrlEncode(normalizedRequestUrl);
//2. URL Encode callbackUrl (if present)
//if (tmpOauthParameters.HasName(OAuthCallbackKey))
// tmpOauthParameters[OAuthCallbackKey] = Utility.UrlEncode(tmpOauthParameters[OAuthCallbackKey]);
//tmpOauthParameters["scope"] = Utility.UrlEncode(tmpOauthParameters["scope"]);
foreach (var p in Utility.GetQuerystringParameters(requestURL.ToString()))
{
tmpOauthParameters.Add(p.Key, UrlEncode(HttpUtility.UrlDecode(p.Value)));
}
//following works for Twitter with spaces
//tmpOauthParameters.Add(p.Key, UrlEncode(HttpUtility.UrlDecode(p.Value)));
//3. Perform Lexographic Sorting
tmpOauthParameters.Sort();
//4. Generate Signature Base
signatureBase.AppendFormat("{0}&", httpMethod.ToString().ToUpper());
signatureBase.AppendFormat("{0}&", normalizedRequestUrl);
signatureBase.AppendFormat("{0}", Utility.UrlEncode(tmpOauthParameters.ToString()));
string sbase = signatureBase.ToString();
logger.Debug("signature base:" + sbase);
//5. Generate Signature
switch (signatureType)
{
case SIGNATURE_TYPE.PLAINTEXT:
{
signature = Utility.UrlEncode(string.Format("{0}&{1}", consumerSecret, tokenSecret));
break;
}
case SIGNATURE_TYPE.HMACSHA1:
{
HMACSHA1 hmacsha1 = new HMACSHA1();
hmacsha1.Key = Encoding.ASCII.GetBytes(string.Format("{0}&{1}", UrlEncode(consumerSecret), string.IsNullOrEmpty(tokenSecret) ? "" : tokenSecret));
signature = GenerateSignatureUsingHash(sbase, hmacsha1);
logger.Debug("HMACSHA1 signature:" + signature);
break;
}
default:
throw new ArgumentException("Unknown signature type", "signatureType");
}
return(signature);
}
//public static WebResponse ExecuteFeed(string feedURL, TRANSPORT_METHOD transportMethod)
//{
// UriBuilder ub;
// /******** retrieve standard Fields ************/
// ub = new UriBuilder(feedURL);
// //if (oauthParameters != null)
// // foreach (var param in oauthParameters)
// // ub.SetQueryparameter(param.Name, param.Value);
// HttpWebRequest webRequest = null;
// //StreamWriter requestWriter = null;
// webRequest = System.Net.WebRequest.Create(feedURL) as HttpWebRequest;
// webRequest.Method = transportMethod.ToString();
// webRequest.Timeout = 20000;
// if (transportMethod == TRANSPORT_METHOD.POST)
// {
// webRequest.ServicePoint.Expect100Continue = false;
// webRequest.ContentType = "application/x-www-form-urlencoded";
// //requestWriter = new StreamWriter(webRequest.GetRequestStream());
// //try
// //{
// // requestWriter.Write(string.Empty);
// //}
// //catch
// //{
// // throw;
// //}
// //finally
// //{
// // requestWriter.Close();
// // requestWriter = null;
// //}
// }
// WebResponse wr;
// try
// {
// wr = (WebResponse)webRequest.GetResponse();
// }
// catch (Exception ex)
// {
// throw new OAuthException("An Error occurred while executing " + feedURL + "!", ex);
// }
// return wr;
//}
public static WebResponse ExecuteFeed(string feedURL, TRANSPORT_METHOD transportMethod)
{
UriBuilder ub;
/******** retrieve standard Fields ************/
ub = new UriBuilder(feedURL);
//if (oauthParameters != null)
// foreach (var param in oauthParameters)
// ub.SetQueryparameter(param.Name, param.Value);
HttpWebRequest webRequest = null;
//StreamWriter requestWriter = null;
webRequest = System.Net.WebRequest.Create(feedURL) as HttpWebRequest;
webRequest.Method = transportMethod.ToString();
webRequest.Timeout = 20000;
if (transportMethod == TRANSPORT_METHOD.POST)
{
webRequest.ServicePoint.Expect100Continue = false;
webRequest.ContentType = "application/x-www-form-urlencoded";
//requestWriter = new StreamWriter(webRequest.GetRequestStream());
//try
//{
// requestWriter.Write(string.Empty);
//}
//catch
//{
// throw;
//}
//finally
//{
// requestWriter.Close();
// requestWriter = null;
//}
}
WebResponse wr;
try
{
wr = (WebResponse)webRequest.GetResponse();
}
catch (Exception ex)
{
throw new OAuthException("An Error occurred while executing " + feedURL + "!", ex);
}
return wr;
}
public override WebResponse ExecuteFeed(string feedURL, IProvider provider, Token connectionToken, TRANSPORT_METHOD transportMethod, byte[] content = null, Dictionary<string, string> headers = null)
{
HttpWebRequest request;
request = (HttpWebRequest)HttpWebRequest.Create(feedURL);
request.ServicePoint.Expect100Continue = false;
request.Method = transportMethod.ToString();
//if headers are specified, set/append them
if (headers != null)
{
foreach (var header in headers)
{
switch (header.Key)
{
case "ContentLength":
{
request.ContentLength = long.Parse(header.Value);
break;
}
case "ContentType":
{
request.ContentType = header.Value;
break;
}
default:
{
request.Headers[header.Key] = header.Value;
break;
}
}
}
}
if (request.ContentLength == 0 & content.Length > 0)
request.ContentLength = content.Length;
request.GetRequestStream().Write(content, 0, content.Length);
WebResponse wr = null;
try
{
logger.Debug("Executing " + feedURL + " using " + transportMethod.ToString());
wr = (WebResponse)request.GetResponse();
logger.Info("Successfully executed " + feedURL + " using " + transportMethod.ToString());
}
catch (Exception ex)
{
logger.Error(ErrorMessages.CustomFeedExecutionError(feedURL, null), ex);
throw new OAuthException(ErrorMessages.CustomFeedExecutionError(feedURL, null), ex);
}
return wr;
}
public override WebResponse ExecuteFeed(string feedURL, IProvider provider, Token connectionToken, TRANSPORT_METHOD transportMethod)
{
UriBuilder ub;
/******** retrieve standard Fields ************/
ub = new UriBuilder(feedURL);
ub.SetQueryparameter(AccessTokenQueryParameterKey, connectionToken.AccessToken);
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(ub.ToString());
request.Method = transportMethod.ToString();
//logger.LogContactsRequest(ub.ToString());
WebResponse wr;
try
{
logger.Debug("Executing " + feedURL + " using " + transportMethod.ToString());
wr = (WebResponse)request.GetResponse();
logger.Info("Successfully executed " + feedURL + " using " + transportMethod.ToString());
}
catch (Exception ex)
{
logger.Error(ErrorMessages.CustomFeedExecutionError(feedURL, null), ex);
throw new OAuthException(ErrorMessages.CustomFeedExecutionError(feedURL, null), ex);
}
return wr;
}
public override WebResponse ExecuteFeed(string feedURL, IProvider provider, Token connectionToken, TRANSPORT_METHOD transportMethod)
{
string signature = "";
OAuthHelper oauthHelper = new OAuthHelper();
QueryParameters oauthParams = new QueryParameters();
oauthParams.Add("oauth_consumer_key", provider.Consumerkey);
oauthParams.Add("oauth_nonce", oauthHelper.GenerateNonce());
oauthParams.Add("oauth_signature_method", provider.SignatureMethod.ToString());
oauthParams.Add("oauth_timestamp", oauthHelper.GenerateTimeStamp());
oauthParams.Add("oauth_token", connectionToken.AccessToken);
oauthParams.Add("oauth_version", "1.0");
////1. Generate Signature
signature = oauthHelper.GenerateSignature(new Uri(feedURL), oauthParams, provider.Consumerkey, provider.Consumersecret, provider.SignatureMethod, TRANSPORT_METHOD.GET, connectionToken.TokenSecret);
oauthParams.Add("oauth_signature", signature);
//3.Connect and Execute Feed
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(feedURL);
request.Method = transportMethod.ToString();
request.Headers.Add("Authorization", oauthHelper.GetAuthorizationHeader(oauthParams));
//request.ContentType = "application/atom+xml";
request.ContentLength = 0;
WebResponse wr;
try
{
logger.Debug("Executing " + feedURL + " using " + transportMethod.ToString());
wr = (WebResponse)request.GetResponse();
logger.Info("Successfully executed " + feedURL + " using " + transportMethod.ToString());
}
catch (Exception ex)
{
logger.Error(ErrorMessages.CustomFeedExecutionError(feedURL, oauthParams), ex);
throw new OAuthException(ErrorMessages.CustomFeedExecutionError(feedURL, oauthParams), ex);
}
return wr;
}
/// <summary>
/// Generate Signature
/// </summary>
/// <param name="requestURL"></param>
/// <param name="oauthParameters"></param>
/// <param name="consumerKey"></param>
/// <param name="consumerSecret"></param>
/// <param name="signatureType"></param>
/// <param name="httpMethod"></param>
/// <param name="tokenSecret"></param>
/// <returns></returns>
public string GenerateSignature(Uri requestURL, QueryParameters oauthParameters, string consumerKey, string consumerSecret,
SIGNATURE_TYPE signatureType, TRANSPORT_METHOD httpMethod, string tokenSecret)
{
QueryParameters tmpOauthParameters = new QueryParameters();
foreach (var param in oauthParameters)
{
if (param.Value.ToLower().Contains("http://") || param.Value.ToLower().Contains("https://"))
tmpOauthParameters.Add(new QueryParameter(param.Key, Utility.UrlEncode(param.Value)));
else
tmpOauthParameters.Add(new QueryParameter(param.Key, param.Value));
}
tmpOauthParameters[OAuthSignatureMethodKey] = ParseSignatureEnum(signatureType);
string signature = "";
StringBuilder signatureBase = new StringBuilder();
//1. URL encode and process Request URL
string normalizedRequestUrl;
normalizedRequestUrl = string.Format("{0}://{1}", requestURL.Scheme, requestURL.Host);
if (!((requestURL.Scheme == "http" && requestURL.Port == 80) || (requestURL.Scheme == "https" && requestURL.Port == 443)))
{
normalizedRequestUrl += ":" + requestURL.Port;
}
normalizedRequestUrl += requestURL.AbsolutePath;
normalizedRequestUrl = Utility.UrlEncode(normalizedRequestUrl);
//2. URL Encode callbackUrl (if present)
//if (tmpOauthParameters.HasName(OAuthCallbackKey))
// tmpOauthParameters[OAuthCallbackKey] = Utility.UrlEncode(tmpOauthParameters[OAuthCallbackKey]);
//tmpOauthParameters["scope"] = Utility.UrlEncode(tmpOauthParameters["scope"]);
foreach (var p in Utility.GetQuerystringParameters(requestURL.ToString()))
tmpOauthParameters.Add(p.Key, UrlEncode(HttpUtility.UrlDecode(p.Value)));
//following works for Twitter with spaces
//tmpOauthParameters.Add(p.Key, UrlEncode(HttpUtility.UrlDecode(p.Value)));
//3. Perform Lexographic Sorting
tmpOauthParameters.Sort();
//4. Generate Signature Base
signatureBase.AppendFormat("{0}&", httpMethod.ToString().ToUpper());
signatureBase.AppendFormat("{0}&", normalizedRequestUrl);
signatureBase.AppendFormat("{0}", Utility.UrlEncode(tmpOauthParameters.ToString()));
string sbase = signatureBase.ToString();
logger.Debug("signature base:" + sbase);
//5. Generate Signature
switch (signatureType)
{
case SIGNATURE_TYPE.PLAINTEXT:
{
signature = Utility.UrlEncode(string.Format("{0}&{1}", consumerSecret, tokenSecret));
break;
}
case SIGNATURE_TYPE.HMACSHA1:
{
HMACSHA1 hmacsha1 = new HMACSHA1();
hmacsha1.Key = Encoding.ASCII.GetBytes(string.Format("{0}&{1}", UrlEncode(consumerSecret), string.IsNullOrEmpty(tokenSecret) ? "" : tokenSecret));
signature = GenerateSignatureUsingHash(sbase, hmacsha1);
logger.Debug("HMACSHA1 signature:" + signature);
break;
}
default:
throw new ArgumentException("Unknown signature type", "signatureType");
}
return signature;
}
