Exemple #1
0
        public bool DispatchBasicAuthentication(HttpContextBase context, out bool anonymAuthenticated)
        {
            anonymAuthenticated = false;

            var authHeader = AuthenticationHelper.GetBasicAuthHeader();

            if (authHeader == null || !authHeader.StartsWith("Basic "))
            {
                return(false);
            }

            var base64Encoded = authHeader.Substring(6); // 6: length of "Basic "
            var bytes         = Convert.FromBase64String(base64Encoded);

            string[] userPass = Encoding.UTF8.GetString(bytes).Split(":".ToCharArray());

            if (userPass.Length != 2)
            {
                context.User        = AuthenticationHelper.GetVisitorPrincipal();
                anonymAuthenticated = true;
                return(true);
            }
            try
            {
                var username = userPass[0];
                var password = userPass[1];

                // Elevation: we need to load the user here, regardless of the current users permissions
                using (AuthenticationHelper.GetSystemAccount())
                {
                    if (AuthenticationHelper.IsUserValid(username, password))
                    {
                        context.User = AuthenticationHelper.LoadUserPrincipal(username);
                    }
                    else
                    {
                        context.User        = AuthenticationHelper.GetVisitorPrincipal();
                        anonymAuthenticated = true;
                    }
                }
            }
            catch (Exception e) // logged
            {
                SnLog.WriteException(e);
                context.User        = AuthenticationHelper.GetVisitorPrincipal();
                anonymAuthenticated = true;
            }

            return(true);
        }