/// <summary>
/// Final step to the OAuth authorization process.
/// Make a request to the TokenRequestEndpoint to finally get the token credentials.
/// (if provided, the temporaryCredentials argument is used over the temporary credentials of this instance)
/// </summary>
public TokenCredentials RequestTokenCredentials(string verifier, TemporaryCredentials temporaryCredentials = null)
{
if (temporaryCredentials == null)
{
temporaryCredentials = this.TemporaryCredentials;
}
if (temporaryCredentials == null)
{
throw new ArgumentNullException("temporaryCredentials", "The temporaryCredentials argument is null, and this.TemporaryCredentials is also null!");
}
HttpWebRequest request = Util.CreateRequest(Util.HttpMethod.POST, this.TokenRequestEndpoint);
var oAuthParameters = OAuthHelper.GetQueryParameters(this.ClientCredentials.Identifier, this.SignatureMethod,
new QueryParameter(OAuthParameter.Token, temporaryCredentials.Identifier),
new QueryParameter(OAuthParameter.Verifier, verifier));
OAuthHelper.MakeRequestAuthenticated(request, oAuthParameters, this.ClientCredentials.SharedSecret, temporaryCredentials.SharedSecret);
string responseString;
Util.TryGetResponse(request, out responseString);
var parsed = OAuthHelper.ParseParameters(responseString);
var identifier = parsed.Single(x => x.Name == OAuthParameter.Token.ToStringValue()).Value;
var sharedSecret = parsed.Single(x => x.Name == OAuthParameter.TokenSecret.ToStringValue()).Value;
return(new TokenCredentials(identifier, sharedSecret));
}
/// <summary>
/// Return an uri formed by the combination of the ResourceOwnerAuthorizationEndpoint and the temporary credentials.
/// call RequestTemporaryCredentials() beforehand to obtain the temporary credentials.
/// (if provided, the temporaryCredentials argument is used over the temporary credentials of this instance)
/// </summary>
/// <returns></returns>
public string GetAuthorizationUri(TemporaryCredentials temporaryCredentials = null)
{
if (temporaryCredentials == null)
{
temporaryCredentials = this.TemporaryCredentials;
}
if (temporaryCredentials == null)
{
throw new ArgumentNullException("temporaryCredentials", "The temporaryCredentials argument is null, and this.TemporaryCredentials is also null!");
}
return(string.Format("{0}?{1}={2}",
this.ResourceOwnerAuthorizationEndpoint, OAuthParameter.Token.ToStringValue(), temporaryCredentials.Identifier));
}