/// <summary>
/// Gets a request token from the provider. After acquiring a request token, the user should be redirected
/// to the website of the provider for approving the application. If successful, the user will be redirected
/// back to the specified callback URL where you then can exchange the request token for an access token.
/// </summary>
/// <returns>An instance of <see cref="OAuthRequestTokenResponse"/> representing the response.</returns>
public virtual OAuthRequestTokenResponse GetRequestToken()
{
// Make the call to the API/provider
IHttpResponse response = GetRequestTokenResponse();
// Parse the response body
OAuthRequestToken body = OAuthRequestToken.Parse(this, response.Body);
// Parse the response
return(OAuthRequestTokenResponse.ParseResponse(response, body));
}
/// <summary>
/// Gets a request token from the provider. After acquiring a request token, the user should be redirected
/// to the website of the provider for approving the application. If successful, the user will be redirected
/// back to the specified callback URL where you then can exchange the request token for an access token.
/// </summary>
/// <returns>An instance of <see cref="OAuthRequestTokenResponse"/> representing the response.</returns>
public override OAuthRequestTokenResponse GetRequestToken()
{
// Flickr apparently deviates from the OAuth 1.0a specification, since they require the OAuth properties to
// be specified in the query string.
// Some error checking
if (RequestTokenUrl == null)
{
throw new PropertyNotSetException("RequestTokenUrl");
}
if (AuthorizeUrl == null)
{
throw new PropertyNotSetException("AuthorizeUrl");
}
if (ConsumerKey == null)
{
throw new PropertyNotSetException("ConsumerKey");
}
if (ConsumerSecret == null)
{
throw new PropertyNotSetException("ConsumerSecret");
}
if (Callback == null)
{
throw new PropertyNotSetException("Callback");
}
// Generate the OAuth signature
string signature = GenerateSignature(HttpMethod.Get, RequestTokenUrl, default(IHttpQueryString), null);
// Append the OAuth properties to the query string
HttpQueryString queryString = new HttpQueryString {
{ "oauth_nonce", Nonce },
{ "oauth_timestamp", Timestamp },
{ "oauth_consumer_key", ConsumerKey },
{ "oauth_signature_method", "HMAC-SHA1" },
{ "oauth_version", "1.0" },
{ "oauth_signature", signature },
{ "oauth_callback", Callback }
};
// Make the call to the API
IHttpResponse response = HttpUtils.Requests.Get(RequestTokenUrl, queryString);
// Validate the response
FlickrResponse.ValidateResponse(response);
// Parse the response body
OAuthRequestToken body = OAuthRequestToken.Parse(this, response.Body);
// Parse the response
return(OAuthRequestTokenResponse.ParseResponse(response, body));
}