/// <summary>
/// Calculates the message parameters, including the oaut_signature
/// </summary>
/// OAuthUtility.GetMessageParameters(apiKey, appSecret, url, method, accessToken, args);
internal static string GetMessageParameters(string APIKey, string Secret, string url, string methodName, Token tok, params object[] args)
{
List <KeyValuePair <string, string> > parameters = new List <KeyValuePair <string, string> >()
{
new KeyValuePair <string, string>(oauth_timestamp, OAuthUtility.GenerateTimestamp()),
new KeyValuePair <string, string>(oauth_nonce, OAuthUtility.GenerateNonce()),
new KeyValuePair <string, string>(oauth_consumer_key, APIKey),
new KeyValuePair <string, string>(oauth_signature_method, "HMAC-SHA1"),
new KeyValuePair <string, string>(oauth_version, "1.0"),
//new KeyValuePair<string,string>("Pretty", "true")
};
var method = new KeyValuePair <string, string>("method", methodName);
parameters.Add(method);
// add the access token if present
if (tok != null)
{
parameters.Add(new KeyValuePair <string, string>(oauth_token, tok.id));
}
for (int i = 0; i < args.Length; i += 2)
{
parameters.Add(new KeyValuePair <string, string>(args[i].ToString(), args[i + 1].ToString()));
}
string baseString = OAuthUtility.GenerateBaseString(url, "GET", parameters);
string sig = OAuthUtility.EncodeValue(OAuthUtility.GenerateHMACDigest(baseString, Secret, tok == null ? "" : tok.Secret));
parameters.Add(new KeyValuePair <string, string>(oauth_signature, sig));
parameters.Remove(method);
StringBuilder sb = new StringBuilder();
sb.AppendFormat("method={0}", methodName);
foreach (var param in parameters)
{
if (param.Key.StartsWith("oauth_"))
{
sb.AppendFormat("&{0}={1}", param.Key, HttpUtility.HtmlEncode(param.Value));
}
else
{
sb.AppendFormat("&{0}={1}", param.Key, EncodeValue(param.Value));
}
}
return(sb.ToString());
}
/// <summary>
/// Calculates teh Authorization header to use with the oAuth authentication
/// </summary>
internal static string GetAuthorizationHeader(string apiKey, string appSecret, Token tok, string endpoint, params object[] args)
{
List <KeyValuePair <string, string> > parameters = new List <KeyValuePair <string, string> >()
{
new KeyValuePair <string, string>(oauth_timestamp, OAuthUtility.GenerateTimestamp()),
new KeyValuePair <string, string>(oauth_nonce, OAuthUtility.GenerateNonce()),
new KeyValuePair <string, string>(oauth_consumer_key, apiKey),
new KeyValuePair <string, string>(oauth_signature_method, "HMAC-SHA1"),
new KeyValuePair <string, string>(oauth_token, tok.id),
new KeyValuePair <string, string>(oauth_token_secret, tok.Secret)
};
// Add of the other parameters to the mix
for (int i = 0; i < args.Length; i += 2)
{
parameters.Add(new KeyValuePair <string, string>(args[i].ToString(), args[i + 1].ToString()));
}
string baseString = OAuthUtility.GenerateBaseString(endpoint, "PUT", parameters);
string sig = OAuthUtility.EncodeValue(OAuthUtility.GenerateHMACDigest(baseString, appSecret, tok == null ? "" : tok.Secret));
parameters.Add(new KeyValuePair <string, string>(oauth_signature, sig));
// the authorization header only consists of oauth_ tokens
StringBuilder sb = new StringBuilder();
sb.AppendFormat("OAuth ");
foreach (var param in parameters)
{
if (param.Key.StartsWith("oauth", StringComparison.OrdinalIgnoreCase))
{
sb.AppendFormat("{0}=\"{1}\",", param.Key, param.Value);
}
}
// remove the trailing ,
sb.Remove(sb.Length - 1, 1);
return(sb.ToString());
}