public ActionResult RedirectHandler()
{
string app_id = Convert.ToString(ConfigurationManager.AppSettings["Client_Id"]);
string app_secret = Convert.ToString(ConfigurationManager.AppSettings["FacebookAppSecret"]);
string scope = Convert.ToString(ConfigurationManager.AppSettings["App_Scope"]);
string AccessCode = Convert.ToString(Request["code"]);
string access_token = string.Empty;
string RedirectUrl = Convert.ToString(ConfigurationManager.AppSettings["RedirectUrlFB"]);
if (!string.IsNullOrEmpty(AccessCode))
{
string url = string.Format("https://graph.facebook.com/oauth/access_token?client_id={0}&redirect_uri={1}&scope={2}&code={3}&client_secret={4}",
app_id, RedirectUrl, scope, AccessCode, app_secret);
HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
{
StreamReader reader = new StreamReader(response.GetResponseStream());
string jsonResponse = reader.ReadToEnd();
JavaScriptSerializer sr = new JavaScriptSerializer();
string jsondata = jsonResponse;
dynamic DynamicData = JObject.Parse(jsondata);
access_token = DynamicData.access_token;
}
FacebookUserDetails user = GetDetails(access_token);
ActionOutput <apiUserDetailShort> result = _userManager.FaceBookAuthentication(user);
if (result.Status == ActionStatus.Successfull && result.Message != "Already Registered.")
{
var auth = _userManager.LoginWithFaceBook(user);
CreateCustomAuthorisationCookie(auth.Email, false, new JavaScriptSerializer().Serialize(new UserDetails(auth)));
return(RedirectToActionPermanent("MyProfile", "Home", new { area = "user" }));
}
else
{
if (result.Message == "Already Registered.")
{
var existUserDetails = _userManager.GetUserDetailsByUserId(result.Object.UserId).Object;
CreateCustomAuthorisationCookie(existUserDetails.Email, false, new JavaScriptSerializer().Serialize(new UserDetails(existUserDetails)));
if (existUserDetails.Address == null && (existUserDetails.CountryID == null || string.IsNullOrEmpty(existUserDetails.CountryID)))
{
return(RedirectToActionPermanent("MyProfile", "Home", new { area = "user" }));
}
return(RedirectToActionPermanent("Dashboard", "Home", new { area = "user" }));
}
}
}
return(RedirectToAction("Index", "Home"));
}
private FacebookUserDetails GetDetails(string AccessToken)
{
FacebookUserDetails details = new FacebookUserDetails();
Uri eatTargetUri = new Uri("https://graph.facebook.com/oauth/access_token?grant_type=fb_exchange_token&client_id=" + ConfigurationManager.AppSettings["Client_Id"] + "&client_secret=" + ConfigurationManager.AppSettings["FacebookAppSecret"] + "&fb_exchange_token=" + AccessToken);
HttpWebRequest eat = (HttpWebRequest)HttpWebRequest.Create(eatTargetUri);
StreamReader eatStr = new StreamReader(eat.GetResponse().GetResponseStream());
string eatToken = eatStr.ReadToEnd().ToString().Replace("access_token=", "");
// Split the access token and expiration from the single string
string[] eatWords = eatToken.Split('&');
string extendedAccessToken = eatWords[0];
// Request the Facebook user information
Uri targetUserUri = new Uri("https://graph.facebook.com/me?fields=first_name,last_name,gender,email,birthday,relationship_status,locale,link&access_token=" + AccessToken);
HttpWebRequest user = (HttpWebRequest)HttpWebRequest.Create(targetUserUri);
// Read the returned JSON object response
StreamReader userInfo = new StreamReader(user.GetResponse().GetResponseStream());
string jsonResponse = string.Empty;
jsonResponse = userInfo.ReadToEnd();
// Deserialize and convert the JSON object to the Facebook.User object type
JavaScriptSerializer sr = new JavaScriptSerializer();
string jsondata = jsonResponse;
dynamic stuff = JObject.Parse(jsondata);
details.Name = stuff.first_name + " " + stuff.last_name;
details.Gender = stuff.gender;
details.ID = stuff.id;
details.BirthDay = stuff.birthday;
details.Email = stuff.email;
details.Location = stuff.location;
/*You can get other dynamic variables*/
return(details);
}