private string OAuthPostRequest(string url, string postData)
{
string responseString = string.Empty;
WebResponse response = null;
try
{
Uri uri = new Uri(url);
string outURL = string.Empty;
string outQueryString = string.Empty;
OAuthParameters p = new OAuthParameters();
p.ConsumerKey = m_oAuthConsumerKey;
p.HttpMethod = HttpMethod.POST;
p.ConsumerSecret = m_oAuthConsumerSecret;
p.Nonce = GenerateOAuthNonce();
p.Status = postData;
p.SignatureType = SignatureTypes.HMACSHA1;
p.Timestamp = GenerateOAuthTimestamp();
p.Token = m_oAuthAccessToken;
p.TokenSecret = m_oAuthAccessTokenSecret;
p.Uri = new Uri(url);
string sig = this.GenerateSignature(p, out outURL, out outQueryString);
outQueryString += "&oauth_signature=" + Common.UrlEncode(sig);
if (outQueryString.Length > 0)
{
outURL += "?";
}
string newURL = outURL + outQueryString;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(newURL);
request.Method = "POST";
request.ServicePoint.Expect100Continue = false;
request.ContentLength = 0;
request.ContentType = "application/x-www-form-urlencoded";
//request.Headers.Add("content-length", postData.Length.ToString());
response = request.GetResponse();
using (StreamReader reader = new StreamReader(response.GetResponseStream()))
{
responseString = reader.ReadToEnd();
}
if (response.Headers["X-RateLimit-Limit"] != null)
{
int limit = int.Parse(response.Headers["X-RateLimit-Limit"]);
int remaining = int.Parse(response.Headers["X-RateLimit-Remaining"]);
long resetTime = long.Parse(response.Headers["X-RateLimit-Reset"]);
m_rateLimit = new RateLimit(limit, remaining, resetTime);
}
}
catch (Exception ex)
{
responseString = "***ERROR :: " + ex.Message;
}
return responseString;
}
private string OAuthWebGetToken(string callbackURL)
{
string responseString = string.Empty;
try
{
string outURL = string.Empty;
string outQueryString = string.Empty;
OAuthParameters p = new OAuthParameters();
p.ConsumerKey = m_oAuthConsumerKey;
p.HttpMethod = HttpMethod.GET;
p.ConsumerSecret = m_oAuthConsumerSecret;
p.Nonce = GenerateOAuthNonce();
p.SignatureType = SignatureTypes.HMACSHA1;
p.Timestamp = GenerateOAuthTimestamp();
p.Uri = new Uri("http://api.twitter.com/oauth/request_token");
string sig = this.GenerateSignature(p, out outURL, out outQueryString);
outQueryString += "&oauth_signature=" + Common.UrlEncode(sig);
if (outQueryString.Length > 0)
outURL += "?";
string newURL = outURL + outQueryString + "&" + callbackURL;
return newURL;
}
catch (Exception ex)
{
responseString = "***ERROR :: " + ex.Message;
}
return responseString;
}
private string OAuthGetToken(string PIN)
{
string responseString = string.Empty;
try
{
string outURL = string.Empty;
string outQueryString = string.Empty;
OAuthParameters p = new OAuthParameters();
p.ConsumerKey = m_oAuthConsumerKey;
p.HttpMethod = HttpMethod.GET;
p.ConsumerSecret = m_oAuthConsumerSecret;
p.Nonce = GenerateOAuthNonce();
p.SignatureType = SignatureTypes.HMACSHA1;
p.Timestamp = GenerateOAuthTimestamp();
if (!string.IsNullOrEmpty(PIN))
{
p.Token = m_oAuthRequestToken;
p.TokenSecret = m_oAuthRequestTokenSecret;
p.PIN = PIN;
p.Uri = new Uri("http://api.twitter.com/oauth/access_token");
}
else
{
p.Uri = new Uri("http://api.twitter.com/oauth/request_token");
}
string sig = this.GenerateSignature(p, out outURL, out outQueryString);
outQueryString += "&oauth_signature=" + Common.UrlEncode(sig);
if (outQueryString.Length > 0)
outURL += "?";
string newURL = outURL + outQueryString;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(newURL);
request.Method = "GET";
request.ServicePoint.Expect100Continue = false;
request.ContentType = "application/x-www-form-urlencoded";
using (WebResponse response = request.GetResponse())
{
using (StreamReader reader = new StreamReader(response.GetResponseStream()))
{
responseString = reader.ReadToEnd();
}
}
if (!string.IsNullOrEmpty(responseString))
{
Dictionary<string, string> nv = Common.ParseQueryString(responseString);
if (nv["oauth_token"] != null)
{
if (string.IsNullOrEmpty(PIN))
{
m_oAuthRequestToken = nv["oauth_token"];
responseString = "http://api.twitter.com/oauth/authorize?oauth_token=" + m_oAuthRequestToken;
}
else
{
m_oAuthAccessToken = nv["oauth_token"];
m_userName = nv["screen_name"];
responseString = m_oAuthAccessToken;
}
}
if (nv["oauth_token_secret"] != null)
{
if (string.IsNullOrEmpty(PIN))
m_oAuthRequestTokenSecret = nv["oauth_token_secret"];
else
m_oAuthAccessTokenSecret = nv["oauth_token_secret"];
}
}
}
catch (Exception ex)
{
responseString = "***ERROR :: " + ex.Message;
}
return responseString;
}
