public WebToken GetAccessToken()
{
if (_cachedToken == null || _cachedToken.Exprires < DateTime.UtcNow.AddMinutes(5))
{
if (_credential == null)
{
_cachedToken = RequestWindowsToken();
}
else
{
_cachedToken = RequestOAuthToken(_credential.UserName, _credential.Password);
}
}
return _cachedToken;
}
private WebToken RequestToken(HttpWebRequest request)
{
HttpWebResponse response = _webClient.SendRequest(request);
using (Stream stream = response.GetResponseStream())
{
using (var reader = new StreamReader(stream, Encoding.UTF8))
{
string content = reader.ReadToEnd();
var accessToken = new WebToken(content);
return accessToken;
}
}
}