Exemple #1
0
        /// <summary>
        /// Creates a Base64-encoded ticket based on the provided data.
        /// </summary>
        /// <param name="ticketData">Data used to create the ticket.</param>
        /// <param name="secret">Secret key used to create the ticket.</param>
        /// <param name="encode">True if the user id, user data, and tokens are to be encoded; false otherwise</param>
        /// <returns>String ticket</returns>
        /// <remarks>The ticket is created using the mod_auth_tkt algorithm.</remarks>
        public static string Create(AuthenticationTicketData ticketData, string secret, bool encode = false)
        {
            if (ticketData == null)
            {
                return(null);
            }

            string digest = CreateDigest(ticketData, secret);
            string userId = (encode) ? Encode(ticketData.UserId, secret, ticketData.UnixTimeStamp, 0) : ticketData.UserId;
            string tokens = (encode)
                                                                ? Encode(ticketData.TokensAsString, secret, ticketData.UnixTimeStamp, 4)
                                                                : ticketData.TokensAsString;
            string userData = (encode) ? Encode(ticketData.UserData, secret, ticketData.UnixTimeStamp, 8) : ticketData.UserData;

            string ticket = digest + ticketData.HexTimeStamp + userId + '!';

            ticket += (string.IsNullOrEmpty(tokens)) ? userData : tokens + '!' + userData;

            return(Base64Helper.Encode(ticket));
        }
Exemple #2
0
        /// <summary>
        /// Extracts the data from a provided ticket.
        /// </summary>
        /// <param name="ticket">Base64-encoded ticket to parse for data</param>
        /// <param name="secret">Secret key used to create the ticket</param>
        /// <param name="encoded">True if the user id, user data, and tokens are encoded; false otherwise</param>
        /// <param name="ipAddress">IP Address used to create the ticket</param>
        /// <returns>AuthenticationTicketData instance containing the parsed ticket data.</returns>
        public static AuthenticationTicketData ExtractData(string ticket, string secret = null, bool encoded = false,
                                                           string ipAddress             = AuthenticationTicketData.DefaultIPAddress)
        {
            if (string.IsNullOrWhiteSpace(ticket))
            {
                return(null);
            }

            if (string.IsNullOrWhiteSpace(secret))
            {
                secret = DefaultSecret;
            }

            AuthenticationTicketData ticketData = null;

            ticket = Base64Helper.DecodeToString(ticket);

            if (!string.IsNullOrWhiteSpace(ticket) && ticket.Length >= 40)
            {
                ticketData = Parse(ticket);

                if (ticketData != null)
                {
                    ticketData.IPAddress = ipAddress;

                    if (encoded)
                    {
                        ticketData.UserId         = Decode(ticketData.UserId, secret, ticketData.UnixTimeStamp, 0);
                        ticketData.TokensAsString = Decode(ticketData.TokensAsString, secret, ticketData.UnixTimeStamp, 4);
                        ticketData.UserData       = Decode(ticketData.UserData, secret, ticketData.UnixTimeStamp, 8);
                    }
                }
            }

            return(ticketData);
        }