public OAuthMessageHandler(string apiKey, string secret, string authToken, string authTokenSecret, IOAuthSignatureData provider)
{
_apiKey = apiKey;
_secret = secret;
_authToken = authToken;
_authTokenSecret = authTokenSecret;
_signatureDataProvider = provider;
_hmacSha1Param = new KeyValuePair <string, string>(Constants.oauth_signature_method, "HMAC-SHA1");
_apiKeyParam = new KeyValuePair <string, string>(Constants.oauth_consumer_key, _apiKey);
_authTokenParam = new KeyValuePair <string, string>(Constants.oauth_token, _authToken);
// Construct the OAuthVersion parameter based on the requested version.
_oauthVersionParam = new KeyValuePair <string, string>(Constants.oauth_version, _signatureDataProvider.GetOAuthVersion());
_keyBytes = OAuthHelpers.CreateHashKeyBytes(_secret, _authTokenSecret);
this.InnerHandler = new HttpClientHandler();
}
private string CreateRequest(string url, string method, string tokSecret, params object[] args)
{
SortedSet <KeyValuePair <string, string> > parameters = new SortedSet <KeyValuePair <string, string> >(new OAuthParameterComparer())
{
new KeyValuePair <string, string>(Constants.oauth_consumer_key, _apiKey),
new KeyValuePair <string, string>(Constants.oauth_nonce, OAuthHelpers.GenerateNonce()),
new KeyValuePair <string, string>(Constants.oauth_timestamp, OAuthHelpers.GenerateTimestamp()),
new KeyValuePair <string, string>(Constants.oauth_signature_method, "HMAC-SHA1"),
};
if (!string.IsNullOrEmpty(_oauthVersion))
{
parameters.Add(new KeyValuePair <string, string>(Constants.oauth_version, _oauthVersion));
}
for (int i = 0; i < args.Length; i += 2)
{
parameters.Add(new KeyValuePair <string, string>(args[i].ToString(), args[i + 1].ToString()));
}
string baseString = OAuthHelpers.GenerateBaseString(url, method, parameters);
string sig = OAuthHelpers.EncodeValue(OAuthHelpers.GenerateHMACDigest(baseString, OAuthHelpers.CreateHashKeyBytes(_secret, tokSecret)));
parameters.Add(new KeyValuePair <string, string>(Constants.oauth_signature, sig));
StringBuilder sb = new StringBuilder();
foreach (var param in parameters)
{
sb.AppendFormat("{0}={1}&", param.Key, System.Net.WebUtility.HtmlEncode(param.Value));
}
sb.Remove(sb.Length - 1, 1);
return(sb.ToString());
}