public string GetAuthorizationURL(ITemporaryCredentials temporaryCredentials, string callbackURL)
{
try
{
var callbackParameter = _oAuthWebRequestGenerator.GenerateParameter("oauth_callback", callbackURL, true, true, false);
var requestTokenResponse = _twitterRequestHandler.ExecuteQueryWithTemporaryCredentials(Resources.OAuthRequestToken, HttpMethod.POST, temporaryCredentials, new[] { callbackParameter });
if (!string.IsNullOrEmpty(requestTokenResponse) && requestTokenResponse != Resources.OAuthRequestToken)
{
Match tokenInformation = Regex.Match(requestTokenResponse, Resources.OAuthTokenRequestRegex);
bool callbackConfirmed = Boolean.Parse(tokenInformation.Groups["oauth_callback_confirmed"].Value);
if (!callbackConfirmed)
{
return(null);
}
temporaryCredentials.AuthorizationKey = tokenInformation.Groups["oauth_token"].Value;
temporaryCredentials.AuthorizationSecret = tokenInformation.Groups["oauth_token_secret"].Value;
return(String.Format("{0}?oauth_token={1}", Resources.OAuthRequestAuthorize, temporaryCredentials.AuthorizationKey));
}
}
catch (TwitterException ex)
{
LogExceptionOrThrow(ex);
}
return(null);
}
// Step 2 - Generate User Credentials
public IOAuthCredentials GetCredentialsFromVerifierCode(string verifierCode, ITemporaryCredentials temporaryCredentials)
{
try
{
var callbackParameter = _oAuthWebRequestGenerator.GenerateParameter("oauth_verifier", verifierCode, true, true, false);
var response = _twitterRequestHandler.ExecuteQueryWithTemporaryCredentials(Resources.OAuthRequestAccessToken, HttpMethod.POST, temporaryCredentials, new[] { callbackParameter });
if (response == null)
{
return(null);
}
Match responseInformation = Regex.Match(response, Resources.OAuthTokenAccessRegex);
if (responseInformation.Groups["oauth_token"] == null || responseInformation.Groups["oauth_token_secret"] == null)
{
return(null);
}
var credentials = _credentialsFactory.CreateOAuthCredentials(
responseInformation.Groups["oauth_token"].Value,
responseInformation.Groups["oauth_token_secret"].Value,
temporaryCredentials.ConsumerKey,
temporaryCredentials.ConsumerSecret);
return(credentials);
}
catch (TwitterException ex)
{
if (_exceptionHandler.LogExceptions)
{
_exceptionHandler.AddTwitterException(ex);
}
if (!_exceptionHandler.SwallowWebExceptions)
{
throw;
}
}
return(null);
}
