private string GetOpenid(string accessToken)
{
var requestUri = UrlUtility.CombineQueryString(OpenIdEndpoint, accessToken);
var text = WebRequestExtensions.Get(requestUri);
var result = string.Empty;
var regex = new Regex("\"openid\":\"(.*?)\"");
if (regex.IsMatch(text))
{
result = regex.Match(text).Groups[1].Value;
}
return(result);
}
private static string CombineQueryString(string url, NameValueCollection queryString)
{
StringBuilder sb = new StringBuilder();
foreach (var key in queryString.AllKeys)
{
sb.AppendFormat("{0}={1}&", HttpUtility.UrlEncode(key), HttpUtility.UrlEncode(queryString[key]));
}
if (sb.Length > 0)
{
sb.Remove(sb.Length - 1, 1);
}
return(UrlUtility.CombineQueryString(url, sb.ToString()));
}
