1 files changed, 342 insertions, 0 deletions

diff --git a/OpenSim/Region/CoreModules/Avatar/InstantMessage/HGMessageTransferModule.cs b/OpenSim/Region/CoreModules/Avatar/InstantMessage/HGMessageTransferModule.cs
new file mode 100644
index 0000000..ed02119
--- /dev/null
+++ b/OpenSim/Region/CoreModules/Avatar/InstantMessage/HGMessageTransferModule.cs
@@ -0,0 +1,342 @@
+/*
+ * 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 System.Net;
+using System.Reflection;
+using log4net;
+using Nini.Config;
+using Nwc.XmlRpc;
+using Mono.Addins;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+using GridRegion = OpenSim.Services.Interfaces.GridRegion;
+using PresenceInfo = OpenSim.Services.Interfaces.PresenceInfo;
+using OpenSim.Services.Interfaces;
+using OpenSim.Services.Connectors.InstantMessage;
+using OpenSim.Services.Connectors.Hypergrid;
+using OpenSim.Server.Handlers.Hypergrid;
+
+namespace OpenSim.Region.CoreModules.Avatar.InstantMessage
+{
+    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule")]
+    public class HGMessageTransferModule : ISharedRegionModule, IMessageTransferModule, IInstantMessageSimConnector
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        protected bool m_Enabled = false;
+        protected List<Scene> m_Scenes = new List<Scene>();
+
+        protected IInstantMessage m_IMService;
+        protected Dictionary<UUID, object> m_UserLocationMap = new Dictionary<UUID, object>();
+
+        public event UndeliveredMessage OnUndeliveredMessage;
+
+        IUserManagement m_uMan;
+        IUserManagement UserManagementModule
+        {
+            get
+            {
+                if (m_uMan == null)
+                    m_uMan = m_Scenes[0].RequestModuleInterface<IUserManagement>();
+                return m_uMan;
+            }
+        }
+
+        public virtual void Initialise(IConfigSource config)
+        {
+            IConfig cnf = config.Configs["Messaging"];
+            if (cnf != null && cnf.GetString(
+                    "MessageTransferModule", "MessageTransferModule") != Name)
+            {
+                m_log.Debug("[HG MESSAGE TRANSFER]: Disabled by configuration");
+                return;
+            }
+
+            InstantMessageServerConnector imServer = new InstantMessageServerConnector(config, MainServer.Instance, this);
+            m_IMService = imServer.GetService();
+            m_Enabled = true;
+        }
+
+        public virtual void AddRegion(Scene scene)
+        {
+            if (!m_Enabled)
+                return;
+
+            lock (m_Scenes)
+            {
+                m_log.DebugFormat("[HG MESSAGE TRANSFER]: Message transfer module {0} active", Name);
+                scene.RegisterModuleInterface<IMessageTransferModule>(this);
+                m_Scenes.Add(scene);
+            }
+        }
+
+        public virtual void PostInitialise()
+        {
+            if (!m_Enabled)
+                return;
+
+        }
+
+        public virtual void RegionLoaded(Scene scene)
+        {
+        }
+
+        public virtual void RemoveRegion(Scene scene)
+        {
+            if (!m_Enabled)
+                return;
+
+            lock (m_Scenes)
+            {
+                m_Scenes.Remove(scene);
+            }
+        }
+
+        public virtual void Close()
+        {
+        }
+
+        public virtual string Name
+        {
+            get { return "HGMessageTransferModule"; }
+        }
+
+        public virtual Type ReplaceableInterface
+        {
+            get { return null; }
+        }
+
+        public void SendInstantMessage(GridInstantMessage im, MessageResultNotification result)
+        {
+            UUID toAgentID = new UUID(im.toAgentID);
+
+            // Try root avatar only first
+            foreach (Scene scene in m_Scenes)
+            {
+                if (scene.Entities.ContainsKey(toAgentID) &&
+                        scene.Entities[toAgentID] is ScenePresence)
+                {
+//                    m_log.DebugFormat(
+//                        "[INSTANT MESSAGE]: Looking for root agent {0} in {1}", 
+//                        toAgentID.ToString(), scene.RegionInfo.RegionName);
+                                        
+                    ScenePresence user = (ScenePresence) scene.Entities[toAgentID];
+                    if (!user.IsChildAgent)
+                    {
+                        // Local message
+//                        m_log.DebugFormat("[INSTANT MESSAGE]: Delivering IM to root agent {0} {1}", user.Name, toAgentID);
+                        user.ControllingClient.SendInstantMessage(im);
+
+                        // Message sent
+                        result(true);
+                        return;
+                    }
+                }
+            }
+
+            // try child avatar second
+            foreach (Scene scene in m_Scenes)
+            {
+//                m_log.DebugFormat(
+//                    "[INSTANT MESSAGE]: Looking for child of {0} in {1}", toAgentID, scene.RegionInfo.RegionName);
+
+                if (scene.Entities.ContainsKey(toAgentID) &&
+                        scene.Entities[toAgentID] is ScenePresence)
+                {
+                    // Local message
+                    ScenePresence user = (ScenePresence) scene.Entities[toAgentID];
+
+//                    m_log.DebugFormat("[INSTANT MESSAGE]: Delivering IM to child agent {0} {1}", user.Name, toAgentID);
+                    user.ControllingClient.SendInstantMessage(im);
+
+                    // Message sent
+                    result(true);
+                    return;
+                }
+            }
+
+//            m_log.DebugFormat("[INSTANT MESSAGE]: Delivering IM to {0} via XMLRPC", im.toAgentID);
+            // Is the user a local user?
+            UserAccount account = m_Scenes[0].UserAccountService.GetUserAccount(m_Scenes[0].RegionInfo.ScopeID, toAgentID);
+            string url = string.Empty;
+            PresenceInfo upd;
+            if (account == null) // foreign user
+                url = UserManagementModule.GetUserServerURL(toAgentID, "IMServerURI");
+
+            Util.FireAndForget(delegate
+            {
+                bool success = m_IMService.OutgoingInstantMessage(im, url);
+                if (!success && account == null)
+                {
+                    // One last chance
+                    string recipientUUI = TryGetRecipientUUI(new UUID(im.fromAgentID), toAgentID);
+                    m_log.DebugFormat("[HG MESSAGE TRANSFER]: Got UUI {0}", recipientUUI);
+                    if (recipientUUI != string.Empty)
+                    {
+                        UUID id; string u = string.Empty, first = string.Empty, last = string.Empty, secret = string.Empty;
+                        if (Util.ParseUniversalUserIdentifier(recipientUUI, out id, out u, out first, out last, out secret))
+                        {
+                            success = m_IMService.OutgoingInstantMessage(im, u);
+                            if (success)
+                                UserManagementModule.AddUser(toAgentID, u + ";" + first + " " + last);
+                        }
+                    }
+                }
+                result(success);
+            });
+
+            return;
+        }
+
+        protected bool SendIMToScene(GridInstantMessage gim, UUID toAgentID)
+        {
+            bool successful = false;
+            foreach (Scene scene in m_Scenes)
+            {
+                if (scene.Entities.ContainsKey(toAgentID) &&
+                        scene.Entities[toAgentID] is ScenePresence)
+                {
+                    ScenePresence user =
+                            (ScenePresence)scene.Entities[toAgentID];
+
+                    if (!user.IsChildAgent)
+                    {
+                        scene.EventManager.TriggerIncomingInstantMessage(gim);
+                        successful = true;
+                    }
+                }
+            }
+            if (!successful)
+            {
+                // If the message can't be delivered to an agent, it
+                // is likely to be a group IM. On a group IM, the
+                // imSessionID = toAgentID = group id. Raise the
+                // unhandled IM event to give the groups module
+                // a chance to pick it up. We raise that in a random
+                // scene, since the groups module is shared.
+                //
+                m_Scenes[0].EventManager.TriggerUnhandledInstantMessage(gim);
+            }
+
+            return successful;
+        }
+
+        protected void HandleUndeliveredMessage(GridInstantMessage im, MessageResultNotification result)
+        {
+            UndeliveredMessage handlerUndeliveredMessage = OnUndeliveredMessage;
+
+            // If this event has handlers, then an IM from an agent will be
+            // considered delivered. This will suppress the error message.
+            //
+            if (handlerUndeliveredMessage != null)
+            {
+                handlerUndeliveredMessage(im);
+                if (im.dialog == (byte)InstantMessageDialog.MessageFromAgent)
+                    result(true);
+                else
+                    result(false);
+                return;
+            }
+
+            //m_log.DebugFormat("[INSTANT MESSAGE]: Undeliverable");
+            result(false);
+        }
+
+        private string TryGetRecipientUUI(UUID fromAgent, UUID toAgent)
+        {
+            // Let's call back the fromAgent's user agent service
+            // Maybe that service knows about the toAgent
+            IClientAPI client = LocateClientObject(fromAgent);
+            if (client != null)
+            {
+                AgentCircuitData circuit = m_Scenes[0].AuthenticateHandler.GetAgentCircuitData(client.AgentId);
+                if (circuit != null)
+                {
+                    if (circuit.ServiceURLs.ContainsKey("HomeURI"))
+                    {
+                        string uasURL = circuit.ServiceURLs["HomeURI"].ToString();
+                        m_log.DebugFormat("[HG MESSAGE TRANSFER]: getting UUI of user {0} from {1}", toAgent, uasURL);
+                        UserAgentServiceConnector uasConn = new UserAgentServiceConnector(uasURL);
+                        return uasConn.GetUUI(fromAgent, toAgent);
+                    }
+                }
+            }
+
+            return string.Empty;
+        }
+
+
+        /// <summary>
+        /// Find the scene for an agent
+        /// </summary>
+        private Scene GetClientScene(UUID agentId)
+        {
+            lock (m_Scenes)
+            {
+                foreach (Scene scene in m_Scenes)
+                {
+                    ScenePresence presence = scene.GetScenePresence(agentId);
+                    if (presence != null && !presence.IsChildAgent)
+                        return scene;
+                }
+            }
+
+            return null;
+        }
+
+        /// <summary>
+        /// Find the client for a ID
+        /// </summary>
+        public IClientAPI LocateClientObject(UUID agentID)
+        {
+            Scene scene = GetClientScene(agentID);
+            if (scene != null)
+            {
+                ScenePresence presence = scene.GetScenePresence(agentID);
+                if (presence != null)
+                    return presence.ControllingClient;
+            }
+
+            return null;
+        }
+
+        #region IInstantMessageSimConnector
+        public bool SendInstantMessage(GridInstantMessage im)
+        {
+            //m_log.DebugFormat("[XXX] Hook SendInstantMessage {0}", im.message);
+            UUID agentID = new UUID(im.toAgentID);
+            return SendIMToScene(im, agentID);
+        }
+        #endregion
+
+
+    }
+}