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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 OpenSim 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 System.Reflection;
using System.Threading;
using System.Net;
using libsecondlife;
using log4net;
using Nwc.XmlRpc;
using OpenSim.Framework;
using OpenSim.Framework.Communications;
using OpenSim.Framework.Communications.Cache;
namespace OpenSim.Grid.InventoryServer
{
/// <summary>
/// Used on a grid server to satisfy external inventory requests
/// </summary>
public class GridInventoryService : InventoryServiceBase
{
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);
private static readonly int INVENTORY_DEFAULT_SESSION_TIME = 30; // secs
private string m_userserver_url;
private AuthedSessionCache m_session_cache = new AuthedSessionCache(INVENTORY_DEFAULT_SESSION_TIME);
public GridInventoryService(string userserver_url)
{
m_userserver_url = userserver_url;
}
/// <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("[GRID AGENT INVENTORY]: checking authed session {0} {1}", session_id, avatar_id);
if (m_session_cache.getCachedSession(session_id, avatar_id) == null)
{
// cache miss, ask userserver
Hashtable requestData = new Hashtable();
requestData["avatar_uuid"] = avatar_id;
requestData["session_id"] = session_id;
ArrayList SendParams = new ArrayList();
SendParams.Add(requestData);
XmlRpcRequest UserReq = new XmlRpcRequest("check_auth_session", SendParams);
XmlRpcResponse UserResp = UserReq.Send(m_userserver_url, 3000);
Hashtable responseData = (Hashtable)UserResp.Value;
if (responseData.ContainsKey("auth_session") && responseData["auth_session"].ToString() == "TRUE")
{
m_log.Info("[GRID AGENT INVENTORY]: got authed session from userserver");
// add to cache; the session time will be automatically renewed
m_session_cache.Add(session_id, avatar_id);
return true;
}
}
else
{
// cache hits
m_log.Info("[GRID AGENT INVENTORY]: got authed session from cache");
return true;
}
m_log.Warn("[GRID AGENT INVENTORY]: unknown session_id, request rejected");
return false;
}
else
{
return true;
}
}
public override void RequestInventoryForUser(LLUUID userID, InventoryReceiptCallback callback)
{
}
/// <summary>
/// Return a user's entire inventory
/// </summary>
/// <param name="rawUserID"></param>
/// <returns>The user's inventory. If an inventory cannot be found then an empty collection is returned.</returns>
public InventoryCollection GetUserInventory(Guid rawUserID)
{
LLUUID userID = new LLUUID(rawUserID);
m_log.InfoFormat("[GRID AGENT INVENTORY]: Processing request for inventory of {0}", userID);
// Uncomment me to simulate a slow responding inventory server
//Thread.Sleep(16000);
InventoryCollection invCollection = new InventoryCollection();
List<InventoryFolderBase> allFolders = GetInventorySkeleton(userID);
if (null == allFolders)
{
m_log.WarnFormat("[GRID AGENT INVENTORY]: No inventory found for user {0}", rawUserID);
return invCollection;
}
List<InventoryItemBase> allItems = new List<InventoryItemBase>();
foreach (InventoryFolderBase folder in allFolders)
{
List<InventoryItemBase> items = RequestFolderItems(folder.ID);
if (items != null)
{
allItems.InsertRange(0, items);
}
}
invCollection.UserID = userID;
invCollection.Folders = allFolders;
invCollection.Items = allItems;
// foreach (InventoryFolderBase folder in invCollection.Folders)
// {
// m_log.DebugFormat("[GRID AGENT INVENTORY]: Sending back folder {0} {1}", folder.Name, folder.ID);
// }
//
// foreach (InventoryItemBase item in invCollection.Items)
// {
// m_log.DebugFormat("[GRID AGENT INVENTORY]: Sending back item {0} {1}, folder {2}", item.Name, item.ID, item.Folder);
// }
m_log.InfoFormat(
"[GRID AGENT INVENTORY]: Sending back inventory response to user {0} containing {1} folders and {2} items",
invCollection.UserID, invCollection.Folders.Count, invCollection.Items.Count);
return invCollection;
}
/// <summary>
/// Guid to UUID wrapper for same name IInventoryServices method
/// </summary>
/// <param name="rawUserID"></param>
/// <returns></returns>
public List<InventoryFolderBase> GetInventorySkeleton(Guid rawUserID)
{
LLUUID userID = new LLUUID(rawUserID);
return GetInventorySkeleton(userID);
}
/// <summary>
/// Create an inventory for the given user.
/// </summary>
/// <param name="rawUserID"></param>
/// <returns></returns>
public bool CreateUsersInventory(Guid rawUserID)
{
LLUUID userID = new LLUUID(rawUserID);
m_log.InfoFormat("[GRID AGENT INVENTORY]: Creating new set of inventory folders for user {0}", userID);
return CreateNewUserInventory(userID);
}
}
}
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