public override string RequestToken(HttpRequestBase request)
{
var oauthToken = request["oauth_token"];
var oauthVerifier = request["oauth_verifier"];
if (String.IsNullOrEmpty(oauthToken) || String.IsNullOrEmpty(oauthVerifier))
{
return(OAuth2Consts.ACCESS_DENIED);
}
string postData = QueryStringBuilder.Build(
"oauth_consumer_key", _client.ClientId,
"oauth_nonce", _util.GetNonce(),
"oauth_signature_method", "HMAC-SHA1",
"oauth_timestamp", _util.GetTimeStamp(),
"oauth_token", oauthToken,
"oauth_verifier", oauthVerifier,
"oauth_version", "1.0"
);
const string accessTokenUrl = "https://api.twitter.com/oauth/access_token";
var signature = _util.GetSha1Signature("POST", accessTokenUrl, postData, _client.ClientSecret);
var responseText = HttpPost(accessTokenUrl, postData + "&oauth_signature=" + Uri.EscapeDataString(signature));
var twitterAuthResp = new TwitterAuthResponse(responseText);
_client.Token = twitterAuthResp.OAuthToken;
_client.TokenSecret = twitterAuthResp.OAuthTokenSecret;
return(twitterAuthResp.OAuthToken);
}
public override string BeginAuthentication()
{
var qstring = QueryStringBuilder.Build(
// Twitter relies on Callback URL setting on http://apps.twitter.com/
// If you set client callback here it'll return 401
// "oauth_callback", _client.CallBackUrl,
"oauth_consumer_key", _client.ClientId,
"oauth_nonce", _util.GetNonce(),
"oauth_signature_method", "HMAC-SHA1",
"oauth_timestamp", _util.GetTimeStamp(),
"oauth_version", "1.0"
);
const string requestTokenUrl = "https://api.twitter.com/oauth/request_token";
var signature = _util.GetSha1Signature("POST", requestTokenUrl, qstring, _client.ClientSecret);
var responseText = HttpPost(requestTokenUrl, qstring + "&oauth_signature=" + Uri.EscapeDataString(signature));
var twitterAuthResp = new TwitterAuthResponse(responseText);
const string authenticateUrl = "https://api.twitter.com/oauth/authenticate";
var oauthUrl = authenticateUrl + "?oauth_token=" + twitterAuthResp.OAuthToken;
return(oauthUrl);
}