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Forms authentication

Posted on 2006-07-04
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Medium Priority
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Last Modified: 2012-06-27
Hello experts,

I have a weird problem, I don't know what am missing.

I log a user in no problem doing the following;-

 protected void Button2_Click1(object sender, EventArgs e)
    {
       
        CustomerLogin = new FixedAuctions.AuctionsDB();
        StringBuilder sbUserData = new StringBuilder();

       
        DataSet ds = CustomerLogin.CustomSelectLogin2(txtUsername2.Text, txtPassword2.Text);
        if (ds.Tables[0].Rows.Count == 1)
        {
           
            sbUserData.Append(ds.Tables[0].Rows[0]["CUSTOMERROLE"].ToString());
            sbUserData.Append("|");
            sbUserData.Append(ds.Tables[0].Rows[0]["CUSTOMERTYPEID"].ToString());
                  Session["CUSTOMERROLE"] = ds.Tables[0].Rows[0]["CUSTOMERROLE"].ToString();
                  Session["CUSTOMERID"] = ds.Tables[0].Rows[0]["CUSTOMERID"].ToString();
                  Session["SALENUMBERID"] = ds.Tables[0].Rows[0]["SALENUMBERID"].ToString();
            Session["VENDORID"] = ds.Tables[0].Rows[0]["VENDORID"].ToString();
            FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(1, txtUsername2.Text, DateTime.Now, DateTime.Now.AddMinutes(5), false, sbUserData.ToString(), FormsAuthentication.FormsCookiePath);
           

            // Hash the cookie for transport
            string encryptedTicket = FormsAuthentication.Encrypt(ticket);
            HttpCookie FPAUCTION = new HttpCookie(FormsAuthentication.FormsCookieName, encryptedTicket); // Name of auth cookie hash); // Hashed ticket

            // Add the cookie to the list for outgoing response
            Response.Cookies.Add(FPAUCTION);


            // Redirect to requested URL, or homepage if no previous page requested
           string returnUrl = Request.QueryString["ReturnUrl"];
               if ((ds.Tables[0].Rows[0]["CUSTOMERROLE"].ToString() == "CSREGD")) || (ds.Tables[0].Rows[0]["CUSTOMERROLE"].ToString() == "CS"))
               {
               returnUrl = "~/cs_auctions";
               }
           if (ds.Tables[0].Rows[0]["CUSTOMERROLE"].ToString() == "EDREGD")
               {
               returnUrl = "~/ed_auctions";
               }
           if (returnUrl == null) returnUrl = "~/ed_auctions";
            // Don't call FormsAuthentication.RedirectFromLoginPage
            //if (returnUrl == null) returnUrl = "~/cs_auctions";, since it could
            // replace the authentication ticket (cookie) just added
            Response.Redirect(returnUrl);
           

        }
        else
        {
            lblMessage.Text = "Invalid Login Details, Please Try Again!";
        }


I assign roles e.t.c, and am doing the following in my Global.asax;-

 protected void Application_AuthenticateRequest(Object sender, EventArgs e)
    {
       if (HttpContext.Current.User != null)
        {
            if (HttpContext.Current.User.Identity.IsAuthenticated)
            {
                if (HttpContext.Current.User.Identity is FormsIdentity)
                {
                    // Get Forms Identity From Current User
                    FormsIdentity id = (FormsIdentity)HttpContext.Current.User.Identity;
                    // Get Forms Ticket From Identity object
                    FormsAuthenticationTicket ticket = id.Ticket;
                    // Get the stored user-data, in this case, our roles
                    string userData = ticket.UserData;
                    string[] roles = userData.Split('|');
                    HttpContext.Current.User = new System.Security.Principal.GenericPrincipal(id, roles);
                }
            }
        }

In My page load event, I am doing the following;-

protected void loadPage(object sender, EventArgs e)
    {
      try
     {
      // if they haven't logged in this will fail and we can send them to
      // the login page
      FormsIdentity id = (FormsIdentity)HttpContext.Current.User.Identity;
     }
     // whatever bad happened, let's just send them back to login page for now...
     catch(Exception ex )
     {
      Response.Redirect("Default.aspx"); // whatever your login page is
     }
   // is this an Administrator role?
   if (User.IsInRole("EDREGD"))
     {
      Response.Write("Welcome Big Admin!");
      // ok let's enumerate their roles for them...
      FormsIdentity id = (FormsIdentity)HttpContext.Current.User.Identity;
      FormsAuthenticationTicket ticket = id.Ticket;
      string userData = ticket.UserData;
      string[] roles = userData.Split('|');
      foreach(string role in roles)
       {
         Response.Write("You are: " + role.ToString()+"<BR>");
       }
Response.Write ("You get to see the Admin link:<BR><A href=\"Admin/Adminstuff.aspx\">Admin Only</a>");
               }
     else
         {
                         // ok, they got in but we know they aren't an Administrator...
                         Response.Write("Ya got logged in, but you ain't an Administrator!");
                         FormsIdentity id = (FormsIdentity)HttpContext.Current.User.Identity;
                         FormsAuthenticationTicket ticket = id.Ticket;
                         string userData = ticket.UserData;
                         string[] roles = userData.Split('|');
                           foreach(string role in roles)
                              {
                               Response.Write("You are: " +role.ToString()+"<BR>");
                              }
      
             
            }
            }

The problem is that on my page load event I am getting the following;-
Ya got logged in, but you ain't an Administrator!You are: EDREGD
You are: 1

which means that for role.ToString() wrtes the following;- "EDREGD" but is not recognised as being the user's role (User.IsInRole("EDREGD"))

What am I missing??


Many Thanks

0
Comment
Question by:claracruz
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5 Comments
 
LVL 19

Expert Comment

by:DreamMaster
ID: 17035782
Seems to me that EDREGD is not the full string, maybe there's a space in front or after EDREGD?

Regards,
Max.
0
 
LVL 19

Accepted Solution

by:
DreamMaster earned 2000 total points
ID: 17035790
Maybe this link can shed some more light...

http://msdn2.microsoft.com/en-us/library/system.web.ui.webcontrols.login.loggedin.aspx

Regards,
Max.
0
 
LVL 4

Author Comment

by:claracruz
ID: 17035881
Thanx Dream,

But am afraid I need more help.

If there are unwanted characters, how do I solve my problem.

Please give example code if you can.
0
 
LVL 19

Expert Comment

by:DreamMaster
ID: 17168456
You could use the Trim function to remove unwanted trailing or leading spaces.

Regards,
Max.
0
 
LVL 19

Expert Comment

by:DreamMaster
ID: 17249872
Glad to have been helpfull :)

Regards,
Max.
0

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