private void SetupOAuth(RestRequest request, OAuth1Token requestToken, string verifier)
{
string nonce = GenerateNonce();
string timeStamp = GenerateTimeStamp();
QueryParameterCollection parameters = new QueryParameterCollection(request.Parameters);
OAuth1RestRequest authRestRequest = request as OAuth1RestRequest;
if (authRestRequest != null)
{
parameters.AddRange(authRestRequest.OAuthValues.Select(x => new QueryParameter(x.Key, x.Value)));
authRestRequest.OAuthValues.Clear();
}
if (string.IsNullOrEmpty(requestToken.Token))
{
throw new ArgumentException("Null Request Token");
}
if (string.IsNullOrEmpty(requestToken.Secret))
{
throw new ArgumentException("Null Request Token Secret.");
}
if (string.IsNullOrEmpty(verifier))
{
throw new ArgumentException("Null Auth Verifier.");
}
var signatureBase = GenerateSignatureBase(
request.RequestUrl,
this.AppKey,
requestToken.Token,
request.Method.ToString(),
timeStamp,
nonce,
verifier,
parameters);
// obtain a signature and add it to oauth header parameters
var signature = GenerateSignature(this.AppSecret, requestToken.Secret, signatureBase);
parameters.Add(RestConstants.OAuthSignature, signature);
string authHeader = GenerateAuthorizationHeader(request.RequestUrl, parameters);
request.Headers["Authorization"] = authHeader;
}
/// <summary>
/// Gets the access token.
/// </summary>
/// <param name="requestToken">The request token.</param>
/// <param name="accessTokenUrl">The access token URL.</param>
/// <param name="verifier">The verifier.</param>
/// <returns><see cref="OAuth1TokenCredential"/> object.</returns>
/// <author>Anwar</author>
/// <datetime>3/26/2011 3:31 PM</datetime>
protected T GetAccessToken(OAuth1Token requestToken, string accessTokenUrl, string verifier)
{
var request = this.BuildAccessTokenRequest(requestToken, accessTokenUrl, verifier);
request.Method = MethodType.Post;
this.SetupOAuth(request, requestToken, verifier);
RestResponse <T> response = this.Post <T>(request);
if (response.Completed && response.ContentObject != null && response.ContentObject.Success)
{
this.Credential = response.ContentObject;
}
return(response.ContentObject);
}
protected virtual RestRequest BuildAccessTokenRequest(OAuth1Token requestToken, string accessTokenUrl, string verifier)
{
RestRequest request = new RestRequest(accessTokenUrl);
return(request);
}