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POProblems implementing IPrincipal
 

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  1. POProblems implementing IPrincipal
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    <p>Trying to implement IPrincipal (ASP.NET MVC 3) and having problems: my custom IPrincipal:</p> <pre><code> interface IDealsPrincipal: IPrincipal { int UserId { get; set; } string Firstname { get; set; } string Lastname { get; set; } } public class DealsPrincipal : IDealsPrincipal { public IIdentity Identity { get; private set; } public bool IsInRole(string role) { return false; } public DealsPrincipal(string email) { this.Identity = new GenericIdentity(email); } public int UserId { get; set; } public string Firstname { get; set; } public string Lastname { get; set; } } </code></pre> <p>To serialize/deserialize i use the following class:</p> <pre><code>public class DealsPrincipalSerializeModel { public int UserId { get; set; } public string Firstname { get; set; } public string Lastname { get; set; } } </code></pre> <p>The Application authenticate event is as follows (works fine!)</p> <pre><code>protected void Application_AuthenticateRequest(Object sender, EventArgs e) { HttpCookie authCookie = Request.Cookies[FormsAuthentication.FormsCookieName]; if (authCookie != null) { //get the forms ticket FormsAuthenticationTicket authTicket = FormsAuthentication.Decrypt(authCookie.Value); //instantiate a new Deserializer JavaScriptSerializer serializer = new JavaScriptSerializer(); //deserialize the model DealsPrincipalSerializeModel serializeModel = serializer.Deserialize&lt;DealsPrincipalSerializeModel&gt;(authTicket.UserData); //put the values of the deserialized model into the HttpContext DealsPrincipal newUser = new DealsPrincipal(authTicket.Name); //this implements IPrincipal newUser.UserId = serializeModel.UserId; newUser.Firstname = serializeModel.Firstname; newUser.Lastname = serializeModel.Lastname; HttpContext.Current.User = newUser; } } </code></pre> <p>As you can see in the last statement the HttpContext gets assigned this new DealsPrincipal (which works fine).</p> <p>The problem is that if want to access this User in a Controller(Action) i always get a base class object. If i cast the User as follows:</p> <pre><code>User as DealsPrincipal </code></pre> <p>to get for example the UserId (sample: </p> <pre><code>( User as DealsPrincipal).UserId </code></pre> <p>this is always null!!! Why? What am i missing?</p>
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