public IDictionary <string, string> SignPostRequest(string url, string userToken, string tokenSecret,
IOAuthCredentials consumerCredentials, IDictionary <string, string> postParameters)
{
if (string.IsNullOrEmpty(consumerCredentials.ConsumerKey))
{
throw new ArgumentException("ConsumerKey can not be null or empty");
}
if (string.IsNullOrEmpty(consumerCredentials.ConsumerSecret))
{
throw new ArgumentException("ConsumerSecret can not be null or empty");
}
var timestamp = _oAuthBase.GenerateTimeStamp();
var nonce = _oAuthBase.GenerateNonce();
string normalizedRequestParameters;
string normalizedUrl;
var signature = _oAuthBase.GenerateSignature(new Uri(url), consumerCredentials.ConsumerKey,
consumerCredentials.ConsumerSecret, userToken, tokenSecret, "POST", timestamp, nonce,
out normalizedUrl, out normalizedRequestParameters, postParameters);
var parameters = new Dictionary <string, string>(postParameters)
{
{ OAuthBase.OAuthVersionKey, OAuthBase.OAuthVersion },
{ OAuthBase.OAuthNonceKey, nonce },
{ OAuthBase.OAuthTimestampKey, timestamp },
{ OAuthBase.OAuthSignatureMethodKey, OAuthBase.HMACSHA1SignatureType },
{ OAuthBase.OAuthConsumerKeyKey, consumerCredentials.ConsumerKey },
{ OAuthBase.OAuthSignatureKey, OAuthBase.UrlEncode(signature) }
};
if (!string.IsNullOrEmpty(userToken))
{
parameters.Add(OAuthBase.OAuthTokenKey, userToken);
}
return(parameters);
}
/// <summary>
/// If you need to sign a url and get it as a string, use this method instead of
/// using SignUrl() returning a Uri. If you use SignUrl(), as soon as you turn
/// the Uri into a string, it unescapes the oauth signature and if it contains '+' characters
/// it will fail.
/// </summary>
public string SignGetUrl(string urlWithParameters, string userToken, string tokenSecret, IOAuthCredentials consumerCredentials)
{
var timeStamp = _oAuthBase.GenerateTimeStamp();
var nonce = _oAuthBase.GenerateNonce();
string normalizedRequestParameters;
string normalizedUrl;
var signature = _oAuthBase.GenerateSignature(new Uri(urlWithParameters),
consumerCredentials.ConsumerKey,
consumerCredentials.ConsumerSecret,
userToken,
tokenSecret,
"GET",
timeStamp,
nonce,
out normalizedUrl,
out normalizedRequestParameters,
new Dictionary <string, string>());
var encodedSignature = OAuthBase.UrlEncode(signature);
return(string.Format("{0}?{1}&oauth_signature={2}", normalizedUrl, normalizedRequestParameters, encodedSignature));
}
public UrlSigner()
{
_oAuthBase = new OAuthBase();
}
