1 files changed, 244 insertions, 0 deletions

diff --git a/OpenSim/Region/CoreModules/Avatar/Lure/HGLureModule.cs b/OpenSim/Region/CoreModules/Avatar/Lure/HGLureModule.cs
new file mode 100644
index 0000000..c82cfd2
--- /dev/null
+++ b/OpenSim/Region/CoreModules/Avatar/Lure/HGLureModule.cs
@@ -0,0 +1,244 @@
+/*
+ * 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;
+using System.Reflection;
+using log4net;
+using Nini.Config;
+using OpenMetaverse;
+using Mono.Addins;
+
+using OpenSim.Framework;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Services.Connectors.Hypergrid;
+
+using GridRegion = OpenSim.Services.Interfaces.GridRegion;
+
+namespace OpenSim.Region.CoreModules.Avatar.Lure
+{
+    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule")]
+    public class HGLureModule : ISharedRegionModule
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(
+                MethodBase.GetCurrentMethod().DeclaringType);
+
+        private readonly List<Scene> m_scenes = new List<Scene>();
+
+        private IMessageTransferModule m_TransferModule = null;
+        private bool m_Enabled = false;
+
+        private string m_ThisGridURL;
+
+        private ExpiringCache<UUID, GridInstantMessage> m_PendingLures = new ExpiringCache<UUID, GridInstantMessage>();
+
+        public void Initialise(IConfigSource config)
+        {
+            if (config.Configs["Messaging"] != null)
+            {
+                if (config.Configs["Messaging"].GetString("LureModule", string.Empty) == "HGLureModule")
+                {
+                    m_Enabled = true;
+
+                    m_ThisGridURL = config.Configs["Messaging"].GetString("Gatekeeper", string.Empty);
+                    m_log.DebugFormat("[LURE MODULE]: {0} enabled", Name);
+                }
+            }
+        }
+
+        public void AddRegion(Scene scene)
+        {
+            if (!m_Enabled)
+                return;
+
+            lock (m_scenes)
+            {
+                m_scenes.Add(scene);
+                scene.EventManager.OnIncomingInstantMessage += OnIncomingInstantMessage;
+                scene.EventManager.OnNewClient += OnNewClient;
+            }
+        }
+
+        public void RegionLoaded(Scene scene)
+        {
+            if (!m_Enabled)
+                return;
+
+            if (m_TransferModule == null)
+            {
+                m_TransferModule =
+                    scene.RequestModuleInterface<IMessageTransferModule>();
+
+                if (m_TransferModule == null)
+                {
+                    m_log.Error("[LURE MODULE]: No message transfer module, lures will not work!");
+
+                    m_Enabled = false;
+                    m_scenes.Clear();
+                    scene.EventManager.OnNewClient -= OnNewClient;
+                    scene.EventManager.OnIncomingInstantMessage -= OnIncomingInstantMessage;
+                }
+            }
+
+        }
+
+        public void RemoveRegion(Scene scene)
+        {
+            if (!m_Enabled)
+                return;
+
+            lock (m_scenes)
+            {
+                m_scenes.Remove(scene);
+                scene.EventManager.OnNewClient -= OnNewClient;
+                scene.EventManager.OnIncomingInstantMessage -= OnIncomingInstantMessage;
+            }
+        }
+
+        void OnNewClient(IClientAPI client)
+        {
+            client.OnInstantMessage += OnInstantMessage;
+            client.OnStartLure += OnStartLure;
+            client.OnTeleportLureRequest += OnTeleportLureRequest;
+        }
+
+        public void PostInitialise()
+        {
+        }
+
+        public void Close()
+        {
+        }
+
+        public string Name
+        {
+            get { return "HGLureModule"; }
+        }
+
+        public Type ReplaceableInterface
+        {
+            get { return null; }
+        }
+
+        void OnInstantMessage(IClientAPI client, GridInstantMessage im)
+        {
+        }
+
+        void OnIncomingInstantMessage(GridInstantMessage im)
+        {
+            if (im.dialog == (byte)InstantMessageDialog.RequestTeleport)
+            {
+                UUID sessionID = new UUID(im.imSessionID);
+                m_log.DebugFormat("[HG LURE MODULE]: RequestTeleport sessionID={0}, regionID={1}, message={2}", im.imSessionID, im.RegionID, im.message);
+                m_PendingLures.Add(sessionID, im, 7200); // 2 hours
+
+                // Forward. We do this, because the IM module explicitly rejects
+                // IMs of this type
+                if (m_TransferModule != null)
+                    m_TransferModule.SendInstantMessage(im, delegate(bool success) { });
+
+            }
+        }
+
+        public void OnStartLure(byte lureType, string message, UUID targetid, IClientAPI client)
+        {
+            if (!(client.Scene is Scene))
+                return;
+
+            Scene scene = (Scene)(client.Scene);
+            ScenePresence presence = scene.GetScenePresence(client.AgentId);
+
+            message += "@" + m_ThisGridURL;
+
+            m_log.DebugFormat("[HG LURE MODULE]: TP invite with message {0}", message);
+
+            GridInstantMessage m = new GridInstantMessage(scene, client.AgentId,
+                    client.FirstName+" "+client.LastName, targetid,
+                    (byte)InstantMessageDialog.RequestTeleport, false,
+                    message, UUID.Random(), false, presence.AbsolutePosition,
+                    new Byte[0]);
+            m.RegionID = client.Scene.RegionInfo.RegionID.Guid;
+                    
+            if (m_TransferModule != null)
+            {
+                m_TransferModule.SendInstantMessage(m,
+                    delegate(bool success) { });
+            }
+        }
+
+        public void OnTeleportLureRequest(UUID lureID, uint teleportFlags, IClientAPI client)
+        {
+            if (!(client.Scene is Scene))
+                return;
+
+            Scene scene = (Scene)(client.Scene);
+
+            GridInstantMessage im = null;
+            if (m_PendingLures.TryGetValue(lureID, out im))
+            {
+                m_PendingLures.Remove(lureID);
+                Lure(client, teleportFlags, im);
+            }
+            else
+                m_log.DebugFormat("[HG LURE MODULE]: pending lure {0} not found", lureID);
+
+        }
+
+        private void Lure(IClientAPI client, uint teleportflags, GridInstantMessage im)
+        {
+            Scene scene = (Scene)(client.Scene);
+            GridRegion region = scene.GridService.GetRegionByUUID(scene.RegionInfo.ScopeID, new UUID(im.RegionID));
+            if (region != null)
+                scene.RequestTeleportLocation(client, region.RegionHandle, im.Position + new Vector3(0.5f, 0.5f, 0f), Vector3.UnitX, teleportflags);
+            else // we don't have that region here. Check if it's HG
+            {
+                string[] parts = im.message.Split(new char[] { '@' });
+                if (parts.Length > 1)
+                {
+                    string url = parts[parts.Length - 1]; // the last part
+                    if (url.Trim(new char[] {'/'}) != m_ThisGridURL.Trim(new char[] {'/'}))
+                    {
+                        m_log.DebugFormat("[HG LURE MODULE]: Luring agent to grid {0} region {1} position {2}", url, im.RegionID, im.Position);
+                        GatekeeperServiceConnector gConn = new GatekeeperServiceConnector();
+                        GridRegion gatekeeper = new GridRegion();
+                        gatekeeper.ServerURI = url;
+                        GridRegion finalDestination = gConn.GetHyperlinkRegion(gatekeeper, new UUID(im.RegionID));
+                        if (finalDestination != null)
+                        {
+                            ScenePresence sp = scene.GetScenePresence(client.AgentId);
+                            IEntityTransferModule transferMod = scene.RequestModuleInterface<IEntityTransferModule>();
+                            IEventQueue eq = sp.Scene.RequestModuleInterface<IEventQueue>();
+                            if (transferMod != null && sp != null && eq != null)
+                                transferMod.DoTeleport(sp, gatekeeper, finalDestination, im.Position + new Vector3(0.5f, 0.5f, 0f), Vector3.UnitX, teleportflags, eq);
+                        }
+                    }
+                }
+            }
+        }
+    }
+}