private void PopulateUserDataUsingFacebook()
{
var oAuth = new oAuthFacebook
{
CallBackUrl = Config.Urls.Home.Trim('/') + "/Register.aspx?facebook=1&login=1",
Scope = "user_birthday,email"
};
if (Request["code"] == null)
{
//Redirect the user back to Facebook for authorization.
Response.Redirect(oAuth.AuthorizationLinkGet());
}
else
{
//Get the access token and secret.
oAuth.AccessTokenGet(Request["code"]);
if (oAuth.Token.Length > 0)
{
string url = string.Format("https://graph.facebook.com/me?access_token={0}", oAuth.Token);
//Response.Write(url);
string json = oAuth.WebRequest(oAuthFacebook.Method.GET, url, String.Empty);
var userInfo = (JContainer)Newtonsoft.Json.JsonConvert.DeserializeObject(json);
var userId = Convert.ToInt64(userInfo["id"].Value<string>());
#region log on the user if she is already registered
string[] usernames = Classes.User.FetchUsernamesByFacebookID(new[] { userId });
if (usernames.Length > 0)
{
UserSession userSession;
try
{
userSession = new UserSession(usernames[0]);
Classes.User.AuthorizeByFacebookID(userId);
userSession.Authorize(Session.SessionID);
}
catch (NotFoundException)
{
goto populatedata;
}
catch (AccessDeniedException err)
{
StatusPageMessage = err.Message;
Response.Redirect(Config.Urls.Home + "/ShowStatus.aspx");
return;
}
catch (SmsNotConfirmedException)
{
Response.Redirect("SmsConfirm.aspx?username="******"/ShowStatus.aspx");
return;
}
catch (Exception err)
{
Global.Logger.LogWarning(err);
StatusPageMessage = err.Message;
Response.Redirect(Config.Urls.Home + "/ShowStatus.aspx");
return;
}
CurrentUserSession = userSession;
CurrentUserSession.LoggedInThroughFacebook = true;
Response.Redirect("Home.aspx");
}
#endregion
populatedata:
FacebookID = userId;
Session["FacebookID"] = userId;
DateTime birthday;
if (userInfo["birthday"] != null &&
DateTime.TryParse(userInfo["birthday"].Value<string>(),
CultureInfo.InvariantCulture, DateTimeStyles.None, out birthday))
{
datePicker1.SelectedDate = birthday;
}
if (userInfo["email"] != null)
txtEmail.Text = userInfo["email"].Value<string>();
if (userInfo["username"] != null)
txtUsername.Text = userInfo["username"].Value<string>();
User.eGender? gender = null;
if (Config.Users.DisableGenderInformation)
{
dropGender.SelectedValue = ((int)Classes.User.eGender.Male).ToString();
if (Config.Users.InterestedInFieldEnabled)
dropInterestedIn.SelectedValue = ((int)Classes.User.eGender.Male).ToString();
}
else
{
if (userInfo["gender"] != null)
{
switch (userInfo["gender"].Value<string>().ToLower(CultureInfo.InvariantCulture))
{
case "male":
gender = Classes.User.eGender.Male;
break;
case "female":
gender = Classes.User.eGender.Female;
break;
}
}
if (gender.HasValue)
{
dropGender.SelectedValue = ((int) gender).ToString();
if (Config.Users.InterestedInFieldEnabled)
{
switch (gender)
{
case Classes.User.eGender.Male:
dropInterestedIn.SelectedValue = ((int) Classes.User.eGender.Female).ToString();
break;
case Classes.User.eGender.Female:
dropInterestedIn.SelectedValue = ((int) Classes.User.eGender.Male).ToString();
break;
}
}
}
}
if (userInfo["username"] != null)
PrimaryPhotoURL = string.Format("https://graph.facebook.com/{0}/picture?type=large",
userInfo["username"].Value<string>());
if (userInfo["name"] != null)
txtName.Text = userInfo["name"].Value<string>();
divFacebook.Visible = false;
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
if (Config.Misc.EnableFacebookIntegration)
{
var oAuth = new oAuthFacebook
{
CallBackUrl = Config.Urls.Home.Trim('/') + "/LoginThroughFacebook.aspx",
Scope = "user_birthday,email,publish_stream"
};
if (Request["code"] == null)
{
//Redirect the user back to Facebook for authorization.
Response.Redirect(oAuth.AuthorizationLinkGet());
}
else
{
//Get the access token and secret.
oAuth.AccessTokenGet(Request["code"]);
if (oAuth.Token.Length > 0)
{
string url = string.Format("https://graph.facebook.com/me?access_token={0}", oAuth.Token);
string json = oAuth.WebRequest(oAuthFacebook.Method.GET, url, String.Empty);
var userInfo = (JContainer)Newtonsoft.Json.JsonConvert.DeserializeObject(json);
var userId = Convert.ToInt64(userInfo["id"].Value<string>());
string[] usernames = Classes.User.FetchUsernamesByFacebookID(new[] { userId });
if (usernames.Length == 0)
{
Response.Redirect("Register.aspx?facebook=1&login=1");
return;
}
UserSession userSession;
try
{
userSession = new UserSession(usernames[0]);
Classes.User.AuthorizeByFacebookID(userId);
userSession.Authorize(Session.SessionID);
Facebook.SaveCredentials(usernames[0], oAuth.Token);
}
catch (NotFoundException)
{
Response.Redirect("Register.aspx?facebook=1&login=1");
return;
}
catch (AccessDeniedException err)
{
StatusPageMessage = err.Message;
Response.Redirect(Config.Urls.Home + "/ShowStatus.aspx");
return;
}
catch (SmsNotConfirmedException)
{
Response.Redirect("SmsConfirm.aspx?username="******"/ShowStatus.aspx");
return;
}
catch (Exception err)
{
Global.Logger.LogWarning(err);
StatusPageMessage = err.Message;
Response.Redirect(Config.Urls.Home + "/ShowStatus.aspx");
return;
}
CurrentUserSession = userSession;
CurrentUserSession.LoggedInThroughFacebook = true;
Response.Redirect("Home.aspx");
}
}
}
}
}