public static string ToQueryString(this QueryStringParameter[] parameters)
{
string ret = "";
for (int i = 0; i < parameters.Length; i++)
{
QueryStringParameter parm = parameters[i];
ret += parm.Name + "=" + parm.Value;
if (i != parameters.Length - 1)
{
ret += "&";
}
}
return(ret);
}
public FacebookOAuthResult(ControllerContext context, params string[] permissions)
{
this.AuthorizationUrl = "https://graph.facebook.com/oauth/authorize?";
string redirectUri = OAuthController.GetBaseRedirectUri(context);
string clientId = ConfigurationManager.AppSettings["FacebookClientId"];
if (string.IsNullOrEmpty(clientId))
{
throw new ArgumentNullException("FacebookClientId was not found in the config file");
}
ClientId = new QueryStringParameter("client_id", clientId);
RedirectUri = new QueryStringParameter("redirect_uri", redirectUri);
Scope = permissions;
}
private void SetUser()
{
using (WebClient client = new WebClient())
{
AccessTokenStore store = Providers.GetSessionProvider <AccessTokenStore>();
QueryStringParameter accessToken = new QueryStringParameter("access_token", store.AccessToken);
string data = client.DownloadString(string.Format("{0}{1}", CurrentUserUrl, accessToken.ToString()));
JObject currentUser = JObject.Parse(data);
currentUser.Add("auth_source", "Facebook");
currentUser.Add("access_token", store.AccessToken);
FacebookPrincipal principal = new FacebookPrincipal(currentUser, store.AccessToken);
System.Web.HttpContext.Current.User = principal;
Providers.SetSessionProvider <FacebookPrincipal>(principal, true);
OnUserSet(currentUser);
}
}
