Authenticate And Authorize Internal And External Users To Log And Then Re-route To Web Applications For The Organization
Mar 26, 2010
Need to develop a Web application that will be used to authenticate and authorize internal and external users to log and then re-route to web applications for the organization. The login application should be able to provider smooth integration with any future applications that needs a secured authentication. Should I be using WIF - Claims based Identity/ADFS or asp.net Role membership provider to develop this app.?
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I need to authenticate users based on three parameters such as username, password and officename instead of just username and password. User name is unique only across the single office and not across the application.
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I am trying to integrate authentication for a cloud-based application with an Active Directory forest behind my cilent's firewall.
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I have installed DotNetOpenAuth and gotten the sample MVC OpenID provider working with the included ReadOnlyXmlMembershipProvider.
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I'd like to use the ASP.NET membership provider in the following (low-security) scenario...
My company will create and administer user accounts on behalf of our clients. These accounts will likely be shared amongst several people in the client company (is that a problem?).
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Clients will not be able to self-register. They also won't get to choose their own password, and they should not be able to change their password either, since that will just create confusion where several people are sharing the same account.
My internal users (admins) will set the password for each client. Here's the bit I'm struggling with: if a client phones up and asks to be reminded of their password, how can my admin users find out what the password is? Can I configure the provider to store the password in clear text (or other recoverable form), and if so can I get at the password through the .NET API?
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Mar 15, 2011
I found a great answer on SO describing how to set up custom user roles, and I've done the same in my project. So in my Login service I have:
public ActionResult Login() {
// password authentication stuff omitted here
var roles = GetRoles(user.Type); // returns a string e.g. "admin,user"
var authTicket = new FormsAuthenticationTicket(
1,
userName,
DateTime.Now,
DateTime.Now.AddMinutes(20), // expiry
false,
roles,
"/");
var cookie = new HttpCookie(FormsAuthentication.FormsCookieName,
FormsAuthentication.Encrypt(authTicket));
Response.Cookies.Add(cookie);
return new XmlResult(xmlDoc); // don't worry so much about this - returns XML as ActionResult
}
And in Global.asax.cs, I have (copied verbatim from the other answer):
protected void Application_AuthenticateRequest(Object sender, EventArgs e) {
var authCookie = Context.Request.Cookies[FormsAuthentication.FormsCookieName];
if (authCookie != null) {
var authTicket = FormsAuthentication.Decrypt(authCookie.Value);
var roles = authTicket.UserData.Split(new Char[] { ',' });
var userPrincipal = new GenericPrincipal(new GenericIdentity(authTicket.Name), roles);
Context.User = userPrincipal;
}
}
Then, in my ServicesController class, I have:
[Authorize(Roles = "admin")]
//[Authorize]
public ActionResult DoAdminStuff() {
...
}
I login as a user with the "admin" role, and that works. Then I call /services/doadminstuff - and I get access denied, even though when I put a breakpoint in Global.asax.cs, I can see that my roles do include "admin". If I comment out the first Authorize attribute (with roles) and just use a plain vanilla Authorize, then I can access the service.
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Jan 21, 2011
I'd like to Authenticate Users without having to use a Membership Provider.
What's the easiest way to do this?
I'm looking at returning a DirectoryEntry.
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Feb 5, 2011
we have a web site (Web Site 1) which is presently working and authenticates the users using ASP.Net login control.
We have a new site (Web Site 2) which will have a web page with user name and password fields and these values will be posted to Web Site 1. I am trying to authenticate those user credentials on Web Site1 using
Membership.ValidateUser(UserName, Password); method. but i am keep getting "User AuthenticatedObject reference not set to an instance of an object. " exception.
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