string oauthtoken = "289378391-XXXX";
string oauthtokensecret = "XXXX";
string oauthconsumerkey = "XXXX";
string oauthconsumersecret = "XXXX";
string oauthcallback = "http://xxxxx";
string oauthversion = "1.0";
string oauthsignaturemethod = "HMAC-SHA1";
string oauthnonce = Convert.ToBase64String(new ASCIIEncoding().GetBytes(DateTime.Now.Ticks.ToString()));
TimeSpan timeSpan = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
string oauthtimestamp = Convert.ToInt64(timeSpan.TotalSeconds).ToString();
string url = "https://api.twitter.com/oauth/request_token?oauth_callback=" + oauthcallback;
SortedDictionary<string, string> basestringParameters = new SortedDictionary<string, string>();
basestringParameters.Add("oauth_version", oauthversion);
basestringParameters.Add("oauth_consumer_key", oauthconsumerkey);
basestringParameters.Add("oauth_nonce", oauthnonce);
basestringParameters.Add("oauth_signature_method", oauthsignaturemethod);
basestringParameters.Add("oauth_timestamp", oauthtimestamp);
basestringParameters.Add("oauth_callback", Uri.EscapeDataString(oauthcallback));
StringBuilder baseString = new StringBuilder();
baseString.Append("POST" + "&");
baseString.Append(Uri.EscapeDataString(url.Split('?')[0]) + "&");
foreach (KeyValuePair<string, string> entry in basestringParameters)
{
baseString.Append(Uri.EscapeDataString(entry.Key + "=" + entry.Value + "&"));
}
//Remove the trailing ambersand char last 3 chars - %26
string finalBaseString = baseString.ToString().Substring(0, baseString.Length - 3);
Response.Write(baseString);
string signingKey = Uri.EscapeDataString(oauthconsumersecret) + "&" + Uri.EscapeDataString(oauthtokensecret);
//Sign the request
HMACSHA1 hasher = new HMACSHA1(new ASCIIEncoding().GetBytes(signingKey));
string oauthsignature = Convert.ToBase64String(hasher.ComputeHash(new ASCIIEncoding().GetBytes(finalBaseString)));
ServicePointManager.Expect100Continue = false;
Response.Write(finalBaseString);
//HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(@url);
var webRequest = WebRequest.Create(@url) as HttpWebRequest;
StringBuilder authorizationHeaderParams = new StringBuilder();
authorizationHeaderParams.Append("OAuth ");
authorizationHeaderParams.Append("oauth_nonce=" + "\"" + Uri.EscapeDataString(oauthnonce) + "\",");
authorizationHeaderParams.Append("oauth_callback=" + "\"" + Uri.EscapeDataString(oauthcallback) + "\",");
authorizationHeaderParams.Append("oauth_signature_method=" + "\"" + Uri.EscapeDataString(oauthsignaturemethod) + "\",");
authorizationHeaderParams.Append("oauth_timestamp=" + "\"" + Uri.EscapeDataString(oauthtimestamp) + "\",");
authorizationHeaderParams.Append("oauth_consumer_key=" + "\"" + Uri.EscapeDataString(oauthconsumerkey) + "\",");
authorizationHeaderParams.Append("oauth_signature=" + "\"" + Uri.EscapeDataString(oauthsignature) + "\",");
authorizationHeaderParams.Append("oauth_version=" + "\"" + Uri.EscapeDataString(oauthversion) + "\"");
webRequest.Headers.Add("Authorization", Convert.ToString(authorizationHeaderParams));
webRequest.Method = "POST";
webRequest.ContentType = "application/x-www-form-urlencoded";
Response.Write(Convert.ToString(authorizationHeaderParams));
//Allow us a reasonable timeout in case Twitter's busy
webRequest.Timeout = 3 * 60 * 1000;
try
{
//webRequest.Proxy = new WebProxy("enter proxy details/address");
HttpWebResponse webResponse = webRequest.GetResponse() as HttpWebResponse;
Stream dataStream = webResponse.GetResponseStream();
// Open the stream using a StreamReader for easy access.
StreamReader reader = new StreamReader(dataStream);
// Read the content.
string responseFromServer = reader.ReadToEnd();
Response.Write(responseFromServer);
}
catch (Exception ex)
{
Response.Write("GETREQ::"+ex.Message);
}
