protected void Page_Load(object sender, EventArgs e)
{
// since this is not a desktop app we need to send the facebook settings,
// so that it can get apikey, api secret and post authorize url.
FacebookAuthenticationResult = FacebookAuthenticationResult.Parse(
HttpContext.Current.Request.Url.ToString(), FacebookContext.FacebookContext.Settings);
DisplayAppropriateMesage();
}
protected void Page_Load(object sender, EventArgs e)
{
// since this is not a desktop app we need to send the facebook settings,
// so that it can get apikey, api secret and post authorize url.
FacebookAuthenticationResult = FacebookAuthenticationResult.Parse(
HttpContext.Current.Request.Url.ToString(), FacebookContext.FacebookContext.Settings);
DisplayAppropriateMesage();
}
private void wbFacebookLogin_Navigated(object sender, WebBrowserNavigatedEventArgs e)
{
string fullPath = e.Url.ToString();
if (fullPath.StartsWith("http://www.facebook.com/connect/login_success.html"))
{
FacebookAuthenticationResult = FacebookAuthenticationResult.Parse(fullPath);
if (FacebookAuthenticationResult.IsSuccess)
DialogResult = DialogResult.OK;
else
DialogResult = DialogResult.Cancel;
}
}
private void wbFacebookLogin_Navigated(object sender, WebBrowserNavigatedEventArgs e)
{
string fullPath = e.Url.ToString();
if (fullPath.StartsWith("http://www.facebook.com/connect/login_success.html"))
{
FacebookAuthenticationResult = FacebookAuthenticationResult.Parse(fullPath);
if (FacebookAuthenticationResult.IsSuccess)
{
DialogResult = DialogResult.OK;
}
else
{
DialogResult = DialogResult.Cancel;
}
}
}
public ActionResult PostAuthorize(FacebookAuthenticationResult far)
{
if (far.IsSuccess)
{
var fb = new Facebook(far.AccessToken); // Use that access token to get the facebook user id
var user = fb.Get <User>("/me", new Dictionary <string, string> {
{ "fields", "id" }
});
// then save the access token
FacebookMembershipProvider.LinkFacebook(User.Identity.Name, user.ID, far.AccessToken, far.ExpiresIn);
// You may want to actually redirect instead for just returning view.
// so that the users dont's see the ugly and confusing url like this one
// http://localhost:30326/Facebook/PostAuthorize?code=8b2055447e53702722917_doMoY.
// for simplicity i will just return a view.
return(View("LinkSuccess"));
}
return(View("LinkError", far));
}
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
var fbContext = filterContext.Controller as IFacebookContext;
if (fbContext == null)
{
throw new FacebookSharpException(
"Controller must implement IFacebookContext inorder to use FacebookAuthorizeAttribute.");
}
string errorReason = filterContext.HttpContext.Request["error_reason"];
string code = filterContext.HttpContext.Request["code"];
FacebookAuthenticationResult far;
if (string.IsNullOrEmpty(errorReason))
{
if (RetriveAccessTokenManually)
{
far = new FacebookAuthenticationResult(string.Empty, 0, errorReason);
}
else
{
var settings = fbContext.FacebookContext.Settings;
long expiresIn;
string accessToken = Facebook.ExchangeAccessTokenForCode(code, settings.ApplicationKey, settings.ApplicationSecret,
settings.PostAuthorizeUrl, settings.UserAgent, out expiresIn);
far = new FacebookAuthenticationResult(accessToken, expiresIn, errorReason);
}
}
else
{
far = new FacebookAuthenticationResult(string.Empty, 0, errorReason);
}
filterContext.ActionParameters[FacebookAuthenticationResultParameterName] = far;
filterContext.ActionParameters["code"] = code;
base.OnActionExecuting(filterContext);
}
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
var fbContext = filterContext.Controller as IFacebookContext;
if (fbContext == null)
throw new FacebookSharpException(
"Controller must implement IFacebookContext inorder to use FacebookAuthorizeAttribute.");
string errorReason = filterContext.HttpContext.Request["error_reason"];
string code = filterContext.HttpContext.Request["code"];
FacebookAuthenticationResult far;
if (string.IsNullOrEmpty(errorReason))
{
if (RetriveAccessTokenManually)
{
far = new FacebookAuthenticationResult(string.Empty, 0, errorReason);
}
else
{
var settings = fbContext.FacebookContext.Settings;
long expiresIn;
string accessToken = Facebook.ExchangeAccessTokenForCode(code, settings.ApplicationKey, settings.ApplicationSecret,
settings.PostAuthorizeUrl, settings.UserAgent, out expiresIn);
far = new FacebookAuthenticationResult(accessToken, expiresIn, errorReason);
}
}
else
{
far = new FacebookAuthenticationResult(string.Empty, 0, errorReason);
}
filterContext.ActionParameters[FacebookAuthenticationResultParameterName] = far;
filterContext.ActionParameters["code"] = code;
base.OnActionExecuting(filterContext);
}
public ActionResult PostAuthorize(FacebookAuthenticationResult far)
{
if (far.IsSuccess)
{
var fb = new Facebook(far.AccessToken); // Use that access token to get the facebook user id
var user = fb.Get<User>("/me", new Dictionary<string, string> { { "fields", "id" } });
// then save the access token
FacebookMembershipProvider.LinkFacebook(User.Identity.Name, user.ID, far.AccessToken, far.ExpiresIn);
// You may want to actually redirect instead for just returning view.
// so that the users dont's see the ugly and confusing url like this one
// http://localhost:30326/Facebook/PostAuthorize?code=8b2055447e53702722917_doMoY.
// for simplicity i will just return a view.
return View("LinkSuccess");
}
return View("LinkError", far);
}
