//////////////////////////////////////////////////////////////////////
/// <summary>Retrieves information about the AuthSub token.
/// If the <code>key</code> is non-null, the token will be used securely
/// and the request to revoke the token will be signed.
/// </summary>
/// <param name="protocol">the protocol to use to communicate with the server</param>
/// <param name="domain">the domain at which the authentication server exists</param>
/// <param name="token">tthe AuthSub token for which to receive information </param>
/// <param name="key">the private key to sign the request</param>
/// <returns>the token information in the form of a Dictionary from the name of the
/// attribute to the value of the attribute</returns>
//////////////////////////////////////////////////////////////////////
public static Dictionary <String, String> GetTokenInfo(String protocol,
String domain,
String token,
AsymmetricAlgorithm key)
{
HttpWebResponse response;
try
{
string tokenInfoUrl = GetTokenInfoUrl(protocol, domain);
Uri uri = new Uri(tokenInfoUrl);
HttpWebRequest request = WebRequest.Create(uri) as HttpWebRequest;
string header = formAuthorizationHeader(token, key, uri, "GET");
request.Headers.Add(header);
response = request.GetResponse() as HttpWebResponse;
}
catch (WebException e)
{
Tracing.TraceMsg("GetTokenInfo failed " + e.Status);
throw new GDataRequestException("Execution of GetTokenInfo", e);
}
if (response != null)
{
int code = (int)response.StatusCode;
if (code != 200)
{
throw new GDataRequestException("Execution of revokeToken request returned unexpected result: " + code, response);
}
TokenCollection tokens = Utilities.ParseStreamInTokenCollection(response.GetResponseStream());
if (tokens != null)
{
return(tokens.CreateDictionary());
}
}
return(null);
}
