/// <summary>
/// Get an <see cref="OAuthRequestToken"/> for the given callback URL.
/// </summary>
/// <remarks>Specify 'oob' as the callback url for no callback to be performed.</remarks>
/// <param name="callbackUrl">The callback Uri, or 'oob' if no callback is to be performed.</param>
/// <param name="callback"></param>
public async Task <FlickrResult <OAuthRequestToken> > OAuthGetRequestTokenAsync(string callbackUrl)
{
string url = RequestTokenUrl; //"https://www.flickr.com/services/oauth/request_token";
Dictionary <string, string> parameters = OAuthGetBasicParameters();
parameters.Add("oauth_callback", callbackUrl);
string sig = OAuthCalculateSignature("POST", url, parameters, null);
parameters.Add("oauth_signature", sig);
FlickrResult <string> r = await TwitterResponder.GetDataResponseAsync(this, "POST", url, parameters);
FlickrResult <OAuthRequestToken> result = new FlickrResult <OAuthRequestToken>();
if (!r.HasError)
{
result.Result = FlickrNet.OAuthRequestToken.ParseResponse(r.Result);
}
else
{
result.HasError = r.HasError;
result.Error = r.Error;
result.ErrorCode = r.ErrorCode;
result.ErrorMessage = r.ErrorMessage;
}
return(result);
}
/// <summary>
/// For a given request token and verifier string return an access token.
/// </summary>
/// <param name="requestToken"></param>
/// <param name="requestTokenSecret"></param>
/// <param name="verifier"></param>
/// <param name="callback"></param>
public async Task <FlickrResult <OAuthAccessToken> > OAuthGetAccessTokenAsync(string requestToken, string requestTokenSecret, string verifier)
{
string url = "https://api.twitter.com/oauth/access_token";
Dictionary <string, string> parameters = OAuthGetBasicParameters();
parameters.Add("oauth_verifier", verifier);
parameters.Add("oauth_token", requestToken);
string sig = OAuthCalculateSignature("POST", url, parameters, requestTokenSecret);
parameters.Add("oauth_signature", sig);
FlickrResult <string> r = await TwitterResponder.GetDataResponseAsync(this, "POST", url, parameters);
FlickrResult <OAuthAccessToken> result = new FlickrResult <OAuthAccessToken>();
if (!r.HasError)
{
result.Result = FlickrNet.OAuthAccessToken.ParseResponse(r.Result);
}
else
{
result.HasError = r.HasError;
result.Error = r.Error;
result.ErrorCode = r.ErrorCode;
result.ErrorMessage = r.ErrorMessage;
}
return(result);
}
private async Task <FlickrResult <T> > GetResponseAsync <T>(Dictionary <string, string> parameters, string method) where T : IFlickrParsable, new()
{
CheckApiKey();
parameters["api_key"] = ApiKey;
if (!String.IsNullOrEmpty(OAuthAccessToken) || String.IsNullOrEmpty(AuthToken))
{
OAuthGetBasicParameters(parameters);
parameters.Remove("api_key");
if (!String.IsNullOrEmpty(OAuthAccessToken))
{
parameters["oauth_token"] = OAuthAccessToken;
}
}
else
{
parameters["auth_token"] = AuthToken;
}
Uri url;
//if (!String.IsNullOrEmpty(sharedSecret))
// url = CalculateUri(parameters, true);
//else
url = CalculateUri(parameters, false);
lastRequest = url.AbsoluteUri;
FlickrResult <string> r = await TwitterResponder.GetDataResponseAsync(this, method, url.AbsoluteUri, parameters);
FlickrResult <T> result = new FlickrResult <T>();
if (!r.HasError)
{
lastResponse = r.Result;
using (MemoryStream ms = new MemoryStream(Encoding.Unicode.GetBytes(r.Result)))
{
try
{
DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(T));
T t = (T)serializer.ReadObject(ms);
result.Result = t;
result.HasError = false;
}
catch (Exception ex)
{
result.HasError = true;
result.Error = ex;
}
}
}
else
{
result.HasError = true;
result.ErrorCode = r.ErrorCode;
result.ErrorMessage = r.ErrorMessage;
result.Error = r.Error;
}
return(result);
}