/// <summary>
/// Creates Principal and Identity based on the user name and roles from the
/// asp.net authentication cookie;
/// </summary>
/// <returns>The current principal</returns>
public static IPrincipal GetPrincipalFromCookie(IIdentity identity)
{
string cookieName = FormsAuthentication.FormsCookieName;
HttpCookie authCookie = HttpContext.Current.Request.Cookies[cookieName];
if (authCookie == null)
{
// There is no authentication cookie.
return SetEmptyPrincipal();
}
FormsAuthenticationTicket authTicket = null;
try
{
authTicket = FormsAuthentication.Decrypt(authCookie.Value);
}
catch
{
// error occured. Let user authenticate again
return SetEmptyPrincipal();
}
if (authTicket == null)
{
// Cookie failed to decrypt.
return SetEmptyPrincipal();
}
// Whenever we load cookie we always load the Roles instead of loading it from Userdata
string[] roles = Roles.GetRolesForUser(identity.Name);
IPrincipal principal = new VKeCRMPrincipal(identity, roles);
HttpContext.Current.User = principal;
return principal;
}
/// <summary>
/// Sets the HttpContext.Current.User to an empty principal
/// </summary>
/// <returns>The empty principal</returns>
private static IPrincipal SetEmptyPrincipal()
{
IIdentity identity = new VKeCRMIdentity();
IPrincipal principal = new VKeCRMPrincipal(identity, new string[0]);
HttpContext.Current.User = principal;
return principal;
}