/// <summary>
/// Allows OAuth applications to directly exchange Twitter usernames and passwords for OAuth access tokens and secrets.
/// </summary>
/// <param name="consumerKey">The consumer key.</param>
/// <param name="consumerSecret">The consumer secret.</param>
/// <param name="username">The username.</param>
/// <param name="password">The password.</param>
/// <returns>A <see cref="OAuthTokenResponse"/> instance.</returns>
public static OAuthTokenResponse GetAccessTokens(string consumerKey, string consumerSecret, string username, string password)
{
if (string.IsNullOrEmpty(consumerKey))
{
throw new ArgumentNullException("consumerKey");
}
if (string.IsNullOrEmpty(consumerSecret))
{
throw new ArgumentNullException("consumerSecret");
}
if (string.IsNullOrEmpty(username))
{
throw new ArgumentNullException("username");
}
if (string.IsNullOrEmpty(password))
{
throw new ArgumentNullException("password");
}
OAuthTokenResponse response = new OAuthTokenResponse();
try
{
WebRequestBuilder builder = new WebRequestBuilder(
new Uri("https://api.twitter.com/oauth/access_token"),
HTTPVerb.POST,
new OAuthTokens { ConsumerKey = consumerKey, ConsumerSecret = consumerSecret });
builder.Parameters.Add("x_auth_username", username);
builder.Parameters.Add("x_auth_password", password);
builder.Parameters.Add("x_auth_mode", "client_auth");
string responseBody = new StreamReader(builder.ExecuteRequest().GetResponseStream()).ReadToEnd();
response.Token = Regex.Match(responseBody, @"oauth_token=([^&]+)").Groups[1].Value;
response.TokenSecret = Regex.Match(responseBody, @"oauth_token_secret=([^&]+)").Groups[1].Value;
if (responseBody.Contains("user_id="))
response.UserId = long.Parse(Regex.Match(responseBody, @"user_id=([^&]+)").Groups[1].Value, CultureInfo.CurrentCulture);
response.ScreenName = Regex.Match(responseBody, @"screen_name=([^&]+)").Groups[1].Value;
}
catch (WebException wex)
{
throw new QTwitterException(wex.Message, wex);
}
return response;
}
/// <summary>
/// Gets the access token.
/// </summary>
/// <param name="consumerKey">The consumer key.</param>
/// <param name="consumerSecret">The consumer secret.</param>
/// <param name="requestToken">The request token.</param>
/// <param name="verifier">The pin number or verifier string.</param>
/// <returns>
/// An <see cref="OAuthTokenResponse"/> class containing access token information.
/// </returns>
public static OAuthTokenResponse GetAccessToken(string consumerKey, string consumerSecret, string requestToken, string verifier)
{
if (string.IsNullOrEmpty(consumerKey))
{
throw new ArgumentNullException("consumerKey");
}
if (string.IsNullOrEmpty(consumerSecret))
{
throw new ArgumentNullException("consumerSecret");
}
if (string.IsNullOrEmpty(requestToken))
{
throw new ArgumentNullException("requestToken");
}
WebRequestBuilder builder = new WebRequestBuilder(
new Uri("https://api.twitter.com/oauth/access_token"),
HTTPVerb.GET,
new OAuthTokens { ConsumerKey = consumerKey, ConsumerSecret = consumerSecret });
if (!string.IsNullOrEmpty(verifier))
{
builder.Parameters.Add("oauth_verifier", verifier);
}
builder.Parameters.Add("oauth_token", requestToken);
string responseBody;
try
{
HttpWebResponse webResponse = builder.ExecuteRequest();
responseBody = new StreamReader(webResponse.GetResponseStream()).ReadToEnd();
}
catch (WebException wex)
{
throw new QTwitterException(wex.Message, wex);
}
OAuthTokenResponse response = new OAuthTokenResponse();
response.Token = Regex.Match(responseBody, @"oauth_token=([^&]+)").Groups[1].Value;
response.TokenSecret = Regex.Match(responseBody, @"oauth_token_secret=([^&]+)").Groups[1].Value;
response.UserId = long.Parse(Regex.Match(responseBody, @"user_id=([^&]+)").Groups[1].Value, CultureInfo.CurrentCulture);
response.ScreenName = Regex.Match(responseBody, @"screen_name=([^&]+)").Groups[1].Value;
return response;
}
