/// <summary>
/// Get the authorisation token
/// </summary>
/// <param name="code"></param>
/// <returns></returns>
public Dictionary <string, string> GetAccessToken(string code, string scope, string redirectUrl)
{
Dictionary <string, string> tokens = new Dictionary <string, string>();
// string clientId = "125788630880182";
//string clientSecret = "350d206a2dd0cc775f1b76fdafe859f3";
// App ID 208878159224995
// App Secret e0ac797bf3135232df717ed976c27453
string url = string.Format("https://graph.facebook.com/oauth/access_token?client_id={0}&redirect_uri={1}&client_secret={2}&code={3}&scope={4}",
FacebookApp.ClientId(), redirectUrl, FacebookApp.ClientSecret(), code, scope);
HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
{
StreamReader reader = new StreamReader(response.GetResponseStream());
string retVal = reader.ReadToEnd();
foreach (string token in retVal.Split('&'))
{
tokens.Add(token.Substring(0, token.IndexOf("=")),
token.Substring(token.IndexOf("=") + 1, token.Length - token.IndexOf("=") - 1));
}
}
return(tokens);
}
protected void Page_Load(object sender, EventArgs e)
{
FacebookLoginHelper helper = new FacebookLoginHelper();
if (Request.Params.AllKeys.Contains("code"))
{
Dictionary <string, string> dicAccessToken = helper.GetAccessToken(Request["code"].ToString(), FacebookApp.Scope(), FacebookApp.RegRedirectUrl());
var accessToken = dicAccessToken["access_token"];
var client = new FacebookClient(accessToken);
dynamic me = client.Get("me");
Session["fbUserId"] = me["id"];
// Check Database for Facebook Lookup
string Results = "";
Results = Validate_Facebook(me["id"]);
if (Results.Length > 4) // User already has an account
{
FormsAuthentication.RedirectFromLoginPage(Results, false);
}
else // User Doesn't have an account yet
{
img_fbUserImage.ImageUrl = "https://graph.facebook.com/" + me["id"] + "/picture?type=large";
lit_fbUserName.Text = me["first_name"];
if (!IsPostBack)
{
this.Email.Text = me["email"];
this.UserName.Text = me["username"];
}
// Write Friend IDs from JSON
var json = new WebClient().DownloadString("https://api.facebook.com/method/friends.getAppUsers?access_token=" + accessToken + "&format=json");
var jss = new JavaScriptSerializer();
dynamic data = jss.Deserialize <dynamic>(json);
//foreach (dynamic friend in data)
//{
// Response.Write(friend);
// Response.Write("<br>");
//}
}
}
else
{
Response.Redirect("Error.aspx");
}
}
protected void btn_Register_Click(object sender, EventArgs e)
{
if (Page.IsValid == true)
{
int Results = 0;
Results = Validate_UserName(UserName.Text.Trim());
if (Results == 1)
{
ErrorMessage.Text = "That Username Already Exists, Please Select Another";
}
else
{
// Create User
string sUserName = UserName.Text.Trim();
string sPassword = Password.Text.Trim();
string sEmail = Email.Text.Trim();
var md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
var encoding = new System.Text.ASCIIEncoding();
byte[] pwBytes = md5.ComputeHash(encoding.GetBytes(sPassword));
string passwordHash;
System.Text.UTF8Encoding enc = new System.Text.UTF8Encoding();
passwordHash = enc.GetString(pwBytes);
SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["LocalSqlServer"].ConnectionString);
SqlCommand cmdinsert = new SqlCommand();
cmdinsert.CommandType = CommandType.StoredProcedure;
cmdinsert.CommandText = "User_Create";
cmdinsert.Parameters.Add("@Username", SqlDbType.VarChar, 100).Value = sUserName;
cmdinsert.Parameters.Add("@Password", SqlDbType.VarChar, 100).Value = passwordHash;
cmdinsert.Parameters.Add("@Email", SqlDbType.VarChar, 255).Value = sEmail;
cmdinsert.Parameters.Add("@FacebookId", SqlDbType.VarChar, 255).Value = Session["fbUserId"].ToString();
// Add New Book Commands
cmdinsert.Parameters.Add("@collectionName", SqlDbType.VarChar, 100).Value = sUserName + "'s First Book";
cmdinsert.Parameters.Add("@collectionDescription", SqlDbType.VarChar, 255).Value = "This first book was created automatically for " + sUserName + ".";
cmdinsert.Parameters.Add("@groupName", SqlDbType.VarChar, 100).Value = sUserName + "'s First Page";
cmdinsert.Parameters.Add("@groupDescription", SqlDbType.VarChar, 255).Value = "This page was created along with the book.";
cmdinsert.Connection = con;
try
{
con.Open();
//cmdinsert.ExecuteNonQuery();
Int32 newBookId = Convert.ToInt32(cmdinsert.ExecuteScalar());
var webClientful = new WebClient();
using (var fileStream = webClientful.OpenRead("http://www.spiralfound.com/images/books/cover1.png"))
{
Bitmap bmp = ResizeImage(fileStream, 530, 360);
bmp.Save(Server.MapPath("~/images/books/" + newBookId + ".jpg"), ImageFormat.Jpeg);
}
var webClientthb = new WebClient();
using (var fileStream = webClientthb.OpenRead("http://www.spiralfound.com/images/books/bookthumb-cover1.png"))
{
Bitmap thb = ResizeImage(fileStream, 150, 100);
thb.Save(Server.MapPath("~/images/books/" + newBookId + "_s.jpg"), ImageFormat.Jpeg);
}
}
catch (SqlException ex)
{
ErrorMessage.Text = ex.Message;
}
finally
{
cmdinsert.Dispose();
if (con != null)
{
con.Close();
}
}
//// Copy Default User Image
//string oldPath = Server.MapPath("~/Images/Users/user.jpg");
//string newPath = Server.MapPath("~/Images/Users/" + sUserName + ".jpg");
//System.IO.File.Copy(oldPath, newPath);
var webClient = new WebClient();
using (var fileStream = webClient.OpenRead("https://graph.facebook.com/" + Session["fbUserId"].ToString() + "/picture?type=large"))
{
//Bitmap bmp = new Bitmap(fileStream);
Bitmap bmp = ResizeImage(fileStream, 180, 241);
bmp.Save(Server.MapPath("~/Images/Users/" + sUserName + ".jpg"), ImageFormat.Jpeg);
}
FacebookLoginHelper helper = new FacebookLoginHelper();
if (Request.Params.AllKeys.Contains("code"))
{
Dictionary <string, string> dicAccessToken = helper.GetAccessToken(Request["code"].ToString(), FacebookApp.Scope(), FacebookApp.RegRedirectUrl());
var accessToken = dicAccessToken["access_token"];
// Write Friend IDs from JSON
var json = new WebClient().DownloadString("https://api.facebook.com/method/friends.getAppUsers?access_token=" + accessToken + "&format=json");
var jss = new JavaScriptSerializer();
dynamic data = jss.Deserialize <dynamic>(json);
con.Open();
foreach (dynamic friend in data)
{
SqlCommand cmdfollow = new SqlCommand();
cmdfollow.CommandType = CommandType.StoredProcedure;
cmdfollow.CommandText = "User_Follow_Facebook";
cmdfollow.Parameters.Add("@UserFbId", SqlDbType.VarChar, 100).Value = Session["fbUserId"].ToString();
cmdfollow.Parameters.Add("@FriendFbId", SqlDbType.VarChar, 100).Value = friend;
cmdfollow.Connection = con;
cmdfollow.ExecuteNonQuery();
cmdfollow.Dispose();
}
if (con != null)
{
con.Close();
}
}
// Log User In
FormsAuthentication.SetAuthCookie(sUserName, false);
Response.Redirect("Default.aspx");
}
}
}
public static string AuthenticationUrl()
{
return
(string.Format("https://graph.facebook.com/oauth/authorize?client_id={0}&redirect_uri={1}&scope={2}", FacebookApp.ClientId(), HttpUtility.UrlEncode(FacebookApp.RedirectUrl()), FacebookApp.Scope()));
}
