134 lines
4.7 KiB
C#
134 lines
4.7 KiB
C#
/*
|
|
* 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.Generic;
|
|
|
|
namespace OpenSim.Grid.InventoryServer
|
|
{
|
|
public class AuthedSessionCache
|
|
{
|
|
public class CacheData
|
|
{
|
|
private static readonly DateTime UNIX_EPOCH = new DateTime(1970, 1, 1);
|
|
private string m_session_id;
|
|
private string m_agent_id;
|
|
private int m_expire;
|
|
|
|
private int get_current_unix_time()
|
|
{
|
|
return (int)(DateTime.UtcNow - UNIX_EPOCH).TotalSeconds;
|
|
}
|
|
|
|
public CacheData(string sid, string aid)
|
|
{
|
|
m_session_id = sid;
|
|
m_agent_id = aid;
|
|
m_expire = get_current_unix_time() + DEFAULT_LIFETIME;
|
|
}
|
|
|
|
public CacheData(string sid, string aid, int time_now)
|
|
{
|
|
m_session_id = sid;
|
|
m_agent_id = aid;
|
|
m_expire = time_now + DEFAULT_LIFETIME;
|
|
}
|
|
|
|
public string SessionID
|
|
{
|
|
get { return m_session_id; }
|
|
set { m_session_id = value; }
|
|
}
|
|
|
|
public string AgentID
|
|
{
|
|
get { return m_agent_id; }
|
|
set { m_agent_id = value; }
|
|
}
|
|
|
|
public bool isExpired
|
|
{
|
|
get { return m_expire < get_current_unix_time(); }
|
|
}
|
|
|
|
public void Renew()
|
|
{
|
|
m_expire = get_current_unix_time() + DEFAULT_LIFETIME;
|
|
}
|
|
}
|
|
|
|
private static readonly int DEFAULT_LIFETIME = 30;
|
|
private Dictionary<string, CacheData> m_authed_sessions = new Dictionary<string,CacheData>();
|
|
// private int m_session_lifetime = DEFAULT_LIFETIME;
|
|
|
|
public AuthedSessionCache()
|
|
{
|
|
// m_session_lifetime = DEFAULT_LIFETIME;
|
|
}
|
|
|
|
public AuthedSessionCache(int timeout)
|
|
{
|
|
// m_session_lifetime = timeout;
|
|
}
|
|
|
|
public CacheData getCachedSession(string session_id, string agent_id)
|
|
{
|
|
CacheData ret = null;
|
|
lock (m_authed_sessions)
|
|
{
|
|
if (m_authed_sessions.ContainsKey(session_id))
|
|
{
|
|
CacheData cached_session = m_authed_sessions[session_id];
|
|
if (!cached_session.isExpired && cached_session.AgentID == agent_id)
|
|
{
|
|
ret = m_authed_sessions[session_id];
|
|
// auto renew
|
|
m_authed_sessions[session_id].Renew();
|
|
}
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
public void Add(string session_id, string agent_id)
|
|
{
|
|
CacheData data = new CacheData(session_id, agent_id);
|
|
lock (m_authed_sessions)
|
|
{
|
|
if (m_authed_sessions.ContainsKey(session_id))
|
|
{
|
|
m_authed_sessions[session_id] = data;
|
|
}
|
|
else
|
|
{
|
|
m_authed_sessions.Add(session_id, data);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|