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/**
* Copyright (c) 2008, Contributors. All rights reserved.
* 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 Organizations nor the names of Individual
* Contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR 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;
using System.Net;
using System.Reflection;
using log4net;
using Nini.Config;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Framework.Communications;
using OpenSim.Framework.Communications.Cache;
using OpenSim.Framework.Servers;
using OpenSim.Region.Environment.Interfaces;
using OpenSim.Region.Environment.Scenes;
using OpenSim.Grid.AssetServer;
namespace OpenSim.Region.Environment.Modules.Hypergrid
{
public class HGStandaloneAssetService : IRegionModule
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private static bool initialized = false;
private static bool enabled = false;
Scene m_scene;
AssetService m_assetService;
#region IRegionModule interface
public void Initialise(Scene scene, IConfigSource config)
{
if (!initialized)
{
initialized = true;
m_scene = scene;
// This module is only on for standalones in hypergrid mode
enabled = !config.Configs["Startup"].GetBoolean("gridmode", true) && config.Configs["Startup"].GetBoolean("hypergrid", false);
}
}
public void PostInitialise()
{
if (enabled)
{
m_log.Info("[HGStandaloneAssetService]: Starting...");
m_assetService = new AssetService(m_scene);
}
}
public void Close()
{
}
public string Name
{
get { return "HGStandaloneAssetService"; }
}
public bool IsSharedModule
{
get { return true; }
}
#endregion
}
public class AssetService
{
private IUserService m_userService;
private bool m_doLookup = false;
public bool DoLookup
{
get { return m_doLookup; }
set { m_doLookup = value; }
}
private static readonly ILog m_log
= LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
public AssetService(Scene m_scene)
{
AddHttpHandlers(m_scene);
m_userService = m_scene.CommsManager.UserService;
}
protected void AddHttpHandlers(Scene m_scene)
{
IAssetProviderPlugin m_assetProvider = ((AssetServerBase)m_scene.AssetCache.AssetServer).AssetProviderPlugin;
m_scene.AddStreamHandler(new GetAssetStreamHandler(m_assetProvider));
m_scene.AddStreamHandler(new PostAssetStreamHandler(m_assetProvider));
}
///// <summary>
///// Check that the source of an inventory request is one that we trust.
///// </summary>
///// <param name="peer"></param>
///// <returns></returns>
//public bool CheckTrustSource(IPEndPoint peer)
//{
// if (m_doLookup)
// {
// m_log.InfoFormat("[GRID AGENT INVENTORY]: Checking trusted source {0}", peer);
// UriBuilder ub = new UriBuilder(m_userserver_url);
// IPAddress[] uaddrs = Dns.GetHostAddresses(ub.Host);
// foreach (IPAddress uaddr in uaddrs)
// {
// if (uaddr.Equals(peer.Address))
// {
// return true;
// }
// }
// m_log.WarnFormat(
// "[GRID AGENT INVENTORY]: Rejecting request since source {0} was not in the list of trusted sources",
// peer);
// return false;
// }
// else
// {
// return true;
// }
//}
/// <summary>
/// Check that the source of an inventory request for a particular agent is a current session belonging to
/// that agent.
/// </summary>
/// <param name="session_id"></param>
/// <param name="avatar_id"></param>
/// <returns></returns>
public bool CheckAuthSession(string session_id, string avatar_id)
{
if (m_doLookup)
{
m_log.InfoFormat("[HGStandaloneInvService]: checking authed session {0} {1}", session_id, avatar_id);
UUID userID = UUID.Zero;
UUID sessionID = UUID.Zero;
UUID.TryParse(avatar_id, out userID);
UUID.TryParse(session_id, out sessionID);
if (userID.Equals(UUID.Zero) || sessionID.Equals(UUID.Zero))
{
m_log.Info("[HGStandaloneInvService]: Invalid user or session id " + avatar_id + "; " + session_id);
return false;
}
UserProfileData userProfile = m_userService.GetUserProfile(userID);
if (userProfile != null && userProfile.CurrentAgent != null &&
userProfile.CurrentAgent.SessionID == sessionID)
{
m_log.Info("[HGStandaloneInvService]: user is logged in and session is valid. Authorizing access.");
return true;
}
m_log.Warn("[HGStandaloneInvService]: unknown user or session_id, request rejected");
return false;
}
else
{
return true;
}
}
}
}
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