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/*
 * Copyright (c) Contributors, http://opensimulator.org/
 * See CONTRIBUTORS.TXT for a full list of copyright holders.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the OpenSimulator Project nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

using System;
using System.Collections;
using System.Collections.Generic;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Data;

namespace OpenSim.Data.Null
{
    public class NullAuthenticationData : IAuthenticationData
    {
        private static Dictionary<UUID, AuthenticationData> m_DataByUUID = new Dictionary<UUID, AuthenticationData>();
        private static Dictionary<UUID, string> m_Tokens = new Dictionary<UUID, string>();

        public NullAuthenticationData(string connectionString, string realm)
        {
        }

        public AuthenticationData Get(UUID principalID)
        {
            if (m_DataByUUID.ContainsKey(principalID))
                return m_DataByUUID[principalID];

            return null;
        }

        public bool Store(AuthenticationData data)
        {
            m_DataByUUID[data.PrincipalID] = data;
            return true;
        }

        public bool SetDataItem(UUID principalID, string item, string value)
        {
            // Not implemented
            return false;
        }

        public bool SetToken(UUID principalID, string token, int lifetime)
        {
            m_Tokens[principalID] = token;
            return true;
        }

        public bool CheckToken(UUID principalID, string token, int lifetime)
        {
            if (m_Tokens.ContainsKey(principalID))
                return m_Tokens[principalID] == token;

            return false;
        }
    }
}