/* * 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); } } }