RE: Membership Provider Woes
- From: stcheng@xxxxxxxxxxxxxxxxxxxx (Steven Cheng[MSFT])
- Date: Mon, 25 Dec 2006 03:56:59 GMT
Hello Chris,
From your description, you are using the Membership/Role providers toperform forms authentication in your ASP.NET web application. You like the
built-in membership/role provider feature and the login controls, however,
you also want to add additional custom data(specifci to each user) into the
forms authentication cookie (without querying database in each request),
correct?
Based on my experience, since ASP.NET 2.0's membershp/role provider and
service model has been well encapsulated, it is not quite convenient to
modify it or develop our own model to replace them. And what you need here
is just cache some custom data into forms auth ticket and used in other
pages later, I think you can simply add them into the
FormsAuthenticationTicket(created manually) and then access it later
through the FormsIdentity.Ticket property. e.g.
========in page which want to access the custom data in authenticatino
ticket=======
protected void Page_Load(object sender, EventArgs e)
{
//you can even define a helper function for extract custom data from
ticket.UserData string
Response.Write("<br/>CurrentIdentity: " + Context.User.Identity);
FormsIdentity identity = Context.User.Identity as FormsIdentity;
Response.Write("<br/>Ticket.UserData: " + identity.Ticket.UserData);
}
===============
the forms authentication module will help retrieve teh userdata from
ticket(from cookie) and store it in the FormsIdentity(in the
HttpContext.Current.User.Identity). Also, in your login page, you need to
manually create the FormsAuthentication ticket so that you can add
additional data into "UserData" property of the ticket. e.g.
=========in our custom logging page's code============
protected void Login1_LoggingIn(object sender, LoginCancelEventArgs e)
{
FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(
1,
Login1.UserName,
DateTime.Now,
DateTime.Now.AddMinutes(30),
Login1.RememberMeSet,
"some custom data want to store in ticket....", // User-data, in
this case the roles
FormsAuthentication.FormsCookiePath);
string hash = FormsAuthentication.Encrypt(ticket);
HttpCookie cookie = new HttpCookie(
FormsAuthentication.FormsCookieName,
hash);
if (ticket.IsPersistent) cookie.Expires = ticket.Expiration;
Response.Cookies.Add(cookie);
Response.Redirect(Request.QueryString["ReturnUrl"]);
}
============================
Hope this helps for your scenario.
Sincerely,
Steven Cheng
Microsoft MSDN Online Support Lead
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