public Uri BuildEchoCallUri(params KeyValuePair <string, string>[] pairs)
{
int timestamp = UnixTime.ToUnixTime(DateTime.Now);
OAuthParameters parameters = new OAuthParameters();
parameters.ConsumerKey = ConsumerStore.FixedConsumer.Key;
parameters.Nonce = new GuidNonceProvider().GenerateNonce(timestamp);
parameters.SignatureMethod = "HMAC-SHA1";
parameters.Timestamp = timestamp.ToString(CultureInfo.InvariantCulture);
parameters.Version = "1.0";
parameters.Token = TokenGenerator.FixedAccessToken.Token;
foreach (KeyValuePair <string, string> pair in pairs)
{
parameters.AdditionalParameters.Add(pair.Key, pair.Value);
}
parameters.Signature = ServiceProviderContext.GetSigningProvider("HMAC-SHA1").ComputeSignature(
SignatureBase.Create("GET", this.EchoApiBaseUri, parameters),
ConsumerStore.FixedConsumer.Secret,
TokenGenerator.FixedAccessToken.Secret);
UriBuilder builder = new UriBuilder(this.EchoApiBaseUri)
{
Query = parameters.ToQueryStringFormat()
};
return(builder.Uri);
}
public Uri BuildRequestTokenUri()
{
int timestamp = UnixTime.ToUnixTime(DateTime.Now);
OAuthParameters parameters = new OAuthParameters();
parameters.ConsumerKey = ConsumerStore.FixedConsumer.Key;
parameters.Nonce = new GuidNonceProvider().GenerateNonce(timestamp);
parameters.SignatureMethod = "HMAC-SHA1";
parameters.Timestamp = timestamp.ToString(CultureInfo.InvariantCulture);
parameters.Version = "1.0";
parameters.Callback = "http://yourownsite.com/";
parameters.Signature = ServiceProviderContext.GetSigningProvider("HMAC-SHA1").ComputeSignature(
SignatureBase.Create("GET", this.RequestTokenBaseUri, parameters),
ConsumerStore.FixedConsumer.Secret,
null);
UriBuilder builder = new UriBuilder(this.RequestTokenBaseUri)
{
Query = parameters.ToQueryStringFormat()
};
return(builder.Uri);
}
public Uri BuildAuthorizationUrl(
IToken token,
NameValueCollection additionalParameters)
{
if (token.Type == TokenType.Request)
{
OAuthParameters authParameters = new OAuthParameters()
{
Token = token.Token
};
if (additionalParameters != null)
{
authParameters.AdditionalParameters.Add(additionalParameters);
}
// Construct final authorization Uri (HTTP method must be GET)
string query = authParameters.ToQueryStringFormat();
UriBuilder authUri = new UriBuilder(this.AuthorizationUrl);
if (String.IsNullOrEmpty(authUri.Query))
{
authUri.Query = query;
}
else
{
authUri.Query = authUri.Query.Substring(1) + "&" + query;
}
return(authUri.Uri);
}
else
{
throw new ArgumentException("Invalid token type for Authorization");
}
}