private IEnumerable<KeyValuePair<string, string>> AddOAuthParams(IEnumerable<KeyValuePair<string, string>> origParam,
string consumerKey, string token,
string timeStamp, string nonce, OAuthSigType sigType, string verifier)
{
if (String.IsNullOrEmpty(consumerKey))
throw new ArgumentNullException("consumerKey");
var np = new List<KeyValuePair<string, string>>();
if (origParam != null)
np.AddRange(origParam);
np.Add(new KeyValuePair<string, string>(VersionKey, Version));
np.Add(new KeyValuePair<string, string>(NonceKey, nonce));
np.Add(new KeyValuePair<string, string>(TimestampKey, timeStamp));
np.Add(new KeyValuePair<string, string>(SignatureMethodKey, sigType.GetString()));
np.Add(new KeyValuePair<string, string>(ConsumerKeyKey, consumerKey));
if (!String.IsNullOrEmpty(verifier))
np.Add(new KeyValuePair<string, string>(VerifierKey, verifier));
if (!String.IsNullOrEmpty(token))
np.Add(new KeyValuePair<string, string>(TokenKey, token));
return np;
}
