1 files changed, 627 insertions, 0 deletions

diff --git a/OpenSim/Region/OptionalModules/Avatar/Concierge/ConciergeModule.cs b/OpenSim/Region/OptionalModules/Avatar/Concierge/ConciergeModule.cs
new file mode 100644
index 0000000..c48e585
--- /dev/null
+++ b/OpenSim/Region/OptionalModules/Avatar/Concierge/ConciergeModule.cs
@@ -0,0 +1,627 @@
+/*
+ * 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.IO;
+using System.Net;
+using System.Net.Sockets;
+using System.Reflection;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading;
+using log4net;
+using Mono.Addins;
+using Nini.Config;
+using Nwc.XmlRpc;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Framework.Servers;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Region.CoreModules.Avatar.Chat;
+
+namespace OpenSim.Region.OptionalModules.Avatar.Concierge
+{
+    [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "ConciergeModule")]
+    public class ConciergeModule : ChatModule, ISharedRegionModule
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        private const int DEBUG_CHANNEL = 2147483647;
+
+        private List<IScene> m_scenes = new List<IScene>();
+        private List<IScene> m_conciergedScenes = new List<IScene>();
+
+        private bool m_replacingChatModule = false;
+
+        private IConfig m_config;
+        
+        private string m_whoami = "conferencier";
+        private Regex m_regions = null;
+        private string m_welcomes = null;
+        private int m_conciergeChannel = 42;
+        private string m_announceEntering = "{0} enters {1} (now {2} visitors in this region)";
+        private string m_announceLeaving = "{0} leaves {1} (back to {2} visitors in this region)";
+        private string m_xmlRpcPassword = String.Empty;
+        private string m_brokerURI = String.Empty;
+        private int m_brokerUpdateTimeout = 300;
+
+        internal object m_syncy = new object();
+
+        internal bool m_enabled = false;
+
+        #region ISharedRegionModule Members
+        public override void Initialise(IConfigSource config)
+        {
+            m_config = config.Configs["Concierge"];
+
+            if (null == m_config)
+                return;
+
+            if (!m_config.GetBoolean("enabled", false))
+                return;
+
+            m_enabled = true;
+
+
+            // check whether ChatModule has been disabled: if yes,
+            // then we'll "stand in"
+            try
+            {
+                if (config.Configs["Chat"] == null)
+                {
+                    // if Chat module has not been configured it's
+                    // enabled by default, so we are not going to
+                    // replace it.
+                    m_replacingChatModule = false;
+                }
+                else 
+                {
+                    m_replacingChatModule  = !config.Configs["Chat"].GetBoolean("enabled", true);
+                }
+            }
+            catch (Exception)
+            {
+                m_replacingChatModule = false;
+            }
+            
+            m_log.InfoFormat("[Concierge] {0} ChatModule", m_replacingChatModule ? "replacing" : "not replacing");
+
+            // take note of concierge channel and of identity
+            m_conciergeChannel = config.Configs["Concierge"].GetInt("concierge_channel", m_conciergeChannel);
+            m_whoami = m_config.GetString("whoami", "conferencier");
+            m_welcomes = m_config.GetString("welcomes", m_welcomes);
+            m_announceEntering = m_config.GetString("announce_entering", m_announceEntering);
+            m_announceLeaving = m_config.GetString("announce_leaving", m_announceLeaving);
+            m_xmlRpcPassword = m_config.GetString("password", m_xmlRpcPassword);
+            m_brokerURI = m_config.GetString("broker", m_brokerURI);
+            m_brokerUpdateTimeout = m_config.GetInt("broker_timeout", m_brokerUpdateTimeout);
+            
+            m_log.InfoFormat("[Concierge] reporting as \"{0}\" to our users", m_whoami);
+
+            // calculate regions Regex
+            if (m_regions == null)
+            {
+                string regions = m_config.GetString("regions", String.Empty);
+                if (!String.IsNullOrEmpty(regions))
+                {
+                    m_regions = new Regex(@regions, RegexOptions.Compiled | RegexOptions.IgnoreCase);
+                }
+            }
+        }
+
+
+        public override void AddRegion(Scene scene)
+        {
+            if (!m_enabled) return;
+
+            MainServer.Instance.AddXmlRPCHandler("concierge_update_welcome", XmlRpcUpdateWelcomeMethod, false);
+
+            lock (m_syncy)
+            {
+                if (!m_scenes.Contains(scene))
+                {
+                    m_scenes.Add(scene);
+
+                    if (m_regions == null || m_regions.IsMatch(scene.RegionInfo.RegionName))
+                        m_conciergedScenes.Add(scene);
+
+                    // subscribe to NewClient events
+                    scene.EventManager.OnNewClient += OnNewClient;
+
+                    // subscribe to *Chat events
+                    scene.EventManager.OnChatFromWorld += OnChatFromWorld;
+                    if (!m_replacingChatModule)
+                        scene.EventManager.OnChatFromClient += OnChatFromClient;
+                    scene.EventManager.OnChatBroadcast += OnChatBroadcast;
+
+                    // subscribe to agent change events
+                    scene.EventManager.OnMakeRootAgent += OnMakeRootAgent;
+                    scene.EventManager.OnMakeChildAgent += OnMakeChildAgent;
+                }
+            }
+            m_log.InfoFormat("[Concierge]: initialized for {0}", scene.RegionInfo.RegionName);
+        }
+
+        public override void RemoveRegion(Scene scene)
+        {
+            if (!m_enabled) return;
+
+            MainServer.Instance.RemoveXmlRPCHandler("concierge_update_welcome");
+
+            lock (m_syncy)
+            {
+                // unsubscribe from NewClient events
+                scene.EventManager.OnNewClient -= OnNewClient;
+
+                // unsubscribe from *Chat events
+                scene.EventManager.OnChatFromWorld -= OnChatFromWorld;
+                if (!m_replacingChatModule)
+                    scene.EventManager.OnChatFromClient -= OnChatFromClient;
+                scene.EventManager.OnChatBroadcast -= OnChatBroadcast;
+
+                // unsubscribe from agent change events
+                scene.EventManager.OnMakeRootAgent -= OnMakeRootAgent;
+                scene.EventManager.OnMakeChildAgent -= OnMakeChildAgent;
+
+                if (m_scenes.Contains(scene))
+                {
+                    m_scenes.Remove(scene);
+                }
+
+                if (m_conciergedScenes.Contains(scene))
+                {
+                    m_conciergedScenes.Remove(scene);
+                }
+            }
+            m_log.InfoFormat("[Concierge]: removed {0}", scene.RegionInfo.RegionName);
+        }
+
+        public override void PostInitialise()
+        {
+        }
+
+        public override void Close()
+        {
+        }
+
+        new public Type ReplaceableInterface 
+        {
+            get { return null; }
+        }
+
+        public override string Name
+        {
+            get { return "ConciergeModule"; }
+        }
+        #endregion
+
+        #region ISimChat Members
+        public override void OnChatBroadcast(Object sender, OSChatMessage c)
+        {
+            if (m_replacingChatModule)
+            {
+                // distribute chat message to each and every avatar in
+                // the region
+                base.OnChatBroadcast(sender, c);
+            }
+
+            // TODO: capture logic
+            return;
+        }
+
+        public override void OnChatFromClient(Object sender, OSChatMessage c)
+        {
+            if (m_replacingChatModule)
+            {
+                // replacing ChatModule: need to redistribute
+                // ChatFromClient to interested subscribers
+                c = FixPositionOfChatMessage(c);
+
+                Scene scene = (Scene)c.Scene;
+                scene.EventManager.TriggerOnChatFromClient(sender, c);
+
+                if (m_conciergedScenes.Contains(c.Scene))
+                {
+                    // when we are replacing ChatModule, we treat
+                    // OnChatFromClient like OnChatBroadcast for
+                    // concierged regions, effectively extending the
+                    // range of chat to cover the whole
+                    // region. however, we don't do this for whisper
+                    // (got to have some privacy)
+                    if (c.Type != ChatTypeEnum.Whisper)
+                    {
+                        base.OnChatBroadcast(sender, c);
+                        return;
+                    }
+                }
+
+                // redistribution will be done by base class
+                base.OnChatFromClient(sender, c);
+            }
+
+            // TODO: capture chat
+            return;
+        }
+
+        public override void OnChatFromWorld(Object sender, OSChatMessage c)
+        {
+            if (m_replacingChatModule)
+            {
+                if (m_conciergedScenes.Contains(c.Scene))
+                {
+                    // when we are replacing ChatModule, we treat
+                    // OnChatFromClient like OnChatBroadcast for
+                    // concierged regions, effectively extending the
+                    // range of chat to cover the whole
+                    // region. however, we don't do this for whisper
+                    // (got to have some privacy)
+                    if (c.Type != ChatTypeEnum.Whisper) 
+                    {
+                        base.OnChatBroadcast(sender, c);
+                        return;
+                    }
+                }
+
+                base.OnChatFromWorld(sender, c);
+            }
+            return;
+        }
+        #endregion
+
+
+        public override void OnNewClient(IClientAPI client)
+        {
+            client.OnLogout += OnClientLoggedOut;
+
+            if (m_replacingChatModule) 
+                client.OnChatFromClient += OnChatFromClient;
+        }
+
+        
+
+        public void OnClientLoggedOut(IClientAPI client)
+        {
+            client.OnLogout -= OnClientLoggedOut;
+            client.OnConnectionClosed -= OnClientLoggedOut;
+            
+            if (m_conciergedScenes.Contains(client.Scene))
+            {
+                Scene scene = client.Scene as Scene;
+                m_log.DebugFormat("[Concierge]: {0} logs off from {1}", client.Name, scene.RegionInfo.RegionName);
+                AnnounceToAgentsRegion(scene, String.Format(m_announceLeaving, client.Name, scene.RegionInfo.RegionName, scene.GetRootAgentCount()));
+                UpdateBroker(scene);
+            }
+        }
+
+
+        public void OnMakeRootAgent(ScenePresence agent)
+        {
+            if (m_conciergedScenes.Contains(agent.Scene))
+            {
+                Scene scene = agent.Scene;
+                m_log.DebugFormat("[Concierge]: {0} enters {1}", agent.Name, scene.RegionInfo.RegionName);
+                WelcomeAvatar(agent, scene);
+                AnnounceToAgentsRegion(scene, String.Format(m_announceEntering, agent.Name, 
+                                                            scene.RegionInfo.RegionName, scene.GetRootAgentCount()));
+                UpdateBroker(scene);
+            }
+        }
+
+
+        public void OnMakeChildAgent(ScenePresence agent)
+        {
+            if (m_conciergedScenes.Contains(agent.Scene))
+            {
+                Scene scene = agent.Scene;
+                m_log.DebugFormat("[Concierge]: {0} leaves {1}", agent.Name, scene.RegionInfo.RegionName);
+                AnnounceToAgentsRegion(scene, String.Format(m_announceLeaving, agent.Name, 
+                                                            scene.RegionInfo.RegionName, scene.GetRootAgentCount()));
+                UpdateBroker(scene);
+            }
+        }
+
+        internal class BrokerState
+        {
+            public string Uri;
+            public string Payload;
+            public HttpWebRequest Poster;
+            public Timer Timer;
+
+            public BrokerState(string uri, string payload, HttpWebRequest poster)
+            {
+                Uri = uri;
+                Payload = payload;
+                Poster = poster;
+            }
+        }
+
+        protected void UpdateBroker(Scene scene)
+        {
+            if (String.IsNullOrEmpty(m_brokerURI))
+                return;
+
+            string uri = String.Format(m_brokerURI, scene.RegionInfo.RegionName, scene.RegionInfo.RegionID);
+
+            // create XML sniplet
+            StringBuilder list = new StringBuilder();
+            list.Append(String.Format("<avatars count=\"{0}\" region_name=\"{1}\" region_uuid=\"{2}\" timestamp=\"{3}\">\n",
+                                          scene.GetRootAgentCount(), scene.RegionInfo.RegionName,
+                                          scene.RegionInfo.RegionID,
+                                          DateTime.UtcNow.ToString("s")));
+
+            scene.ForEachRootScenePresence(delegate(ScenePresence sp)
+            {
+                list.Append(String.Format("    <avatar name=\"{0}\" uuid=\"{1}\" />\n", sp.Name, sp.UUID));                    
+            });
+
+            list.Append("</avatars>");
+            string payload = list.ToString();
+
+            // post via REST to broker
+            HttpWebRequest updatePost = WebRequest.Create(uri) as HttpWebRequest;
+            updatePost.Method = "POST";
+            updatePost.ContentType = "text/xml";
+            updatePost.ContentLength = payload.Length;
+            updatePost.UserAgent = "OpenSim.Concierge";
+
+
+            BrokerState bs = new BrokerState(uri, payload, updatePost);
+            bs.Timer = new Timer(delegate(object state)
+                                 {
+                                     BrokerState b = state as BrokerState;
+                                     b.Poster.Abort();
+                                     b.Timer.Dispose();
+                                     m_log.Debug("[Concierge]: async broker POST abort due to timeout");
+                                 }, bs, m_brokerUpdateTimeout * 1000, Timeout.Infinite);
+
+            try
+            {
+                updatePost.BeginGetRequestStream(UpdateBrokerSend, bs);
+                m_log.DebugFormat("[Concierge] async broker POST to {0} started", uri);
+            }
+            catch (WebException we)
+            {
+                m_log.ErrorFormat("[Concierge] async broker POST to {0} failed: {1}", uri, we.Status);
+            }
+        }
+
+        private void UpdateBrokerSend(IAsyncResult result)
+        {
+            BrokerState bs = null;
+            try
+            {
+                bs = result.AsyncState as BrokerState;
+                string payload = bs.Payload;
+                HttpWebRequest updatePost = bs.Poster;
+
+                using (StreamWriter payloadStream = new StreamWriter(updatePost.EndGetRequestStream(result)))
+                {
+                    payloadStream.Write(payload);
+                    payloadStream.Close();
+                }
+                updatePost.BeginGetResponse(UpdateBrokerDone, bs);
+            }
+            catch (WebException we)
+            {
+                m_log.DebugFormat("[Concierge]: async broker POST to {0} failed: {1}", bs.Uri, we.Status);
+            }
+            catch (Exception)
+            {
+                m_log.DebugFormat("[Concierge]: async broker POST to {0} failed", bs.Uri);
+            }
+        }
+
+        private void UpdateBrokerDone(IAsyncResult result)
+        {
+            BrokerState bs = null;
+            try 
+            {
+                bs = result.AsyncState as BrokerState;
+                HttpWebRequest updatePost = bs.Poster;
+                using (HttpWebResponse response = updatePost.EndGetResponse(result) as HttpWebResponse)
+                {
+                    m_log.DebugFormat("[Concierge] broker update: status {0}", response.StatusCode);
+                }
+                bs.Timer.Dispose();
+            }
+            catch (WebException we)
+            {
+                m_log.ErrorFormat("[Concierge] broker update to {0} failed with status {1}", bs.Uri, we.Status);
+                if (null != we.Response) 
+                {
+                    using (HttpWebResponse resp = we.Response as HttpWebResponse)
+                    {
+                        m_log.ErrorFormat("[Concierge] response from {0} status code: {1}", bs.Uri, resp.StatusCode);
+                        m_log.ErrorFormat("[Concierge] response from {0} status desc: {1}", bs.Uri, resp.StatusDescription);
+                        m_log.ErrorFormat("[Concierge] response from {0} server:      {1}", bs.Uri, resp.Server);
+                        
+                        if (resp.ContentLength > 0) 
+                        {
+                            StreamReader content = new StreamReader(resp.GetResponseStream());
+                            m_log.ErrorFormat("[Concierge] response from {0} content:     {1}", bs.Uri, content.ReadToEnd());
+                            content.Close();
+                        }
+                    }
+                }
+            }
+        }
+
+        protected void WelcomeAvatar(ScenePresence agent, Scene scene)
+        {
+            // welcome mechanics: check whether we have a welcomes
+            // directory set and wether there is a region specific
+            // welcome file there: if yes, send it to the agent
+            if (!String.IsNullOrEmpty(m_welcomes))
+            {
+                string[] welcomes = new string[] { 
+                    Path.Combine(m_welcomes, agent.Scene.RegionInfo.RegionName),
+                    Path.Combine(m_welcomes, "DEFAULT")};
+                foreach (string welcome in welcomes)
+                {
+                    if (File.Exists(welcome)) 
+                    {
+                        try
+                        {
+                            string[] welcomeLines = File.ReadAllLines(welcome);
+                            foreach (string l in welcomeLines)
+                            {
+                                AnnounceToAgent(agent, String.Format(l, agent.Name, scene.RegionInfo.RegionName, m_whoami));
+                            }
+                        }
+                        catch (IOException ioe)
+                        {
+                            m_log.ErrorFormat("[Concierge]: run into trouble reading welcome file {0} for region {1} for avatar {2}: {3}",
+                                             welcome, scene.RegionInfo.RegionName, agent.Name, ioe);
+                        }
+                        catch (FormatException fe)
+                        {
+                            m_log.ErrorFormat("[Concierge]: welcome file {0} is malformed: {1}", welcome, fe);
+                        }
+                    } 
+                    return;
+                }
+                m_log.DebugFormat("[Concierge]: no welcome message for region {0}", scene.RegionInfo.RegionName);
+            }
+        }
+
+        static private Vector3 PosOfGod = new Vector3(128, 128, 9999);
+
+        // protected void AnnounceToAgentsRegion(Scene scene, string msg)
+        // {
+        //     ScenePresence agent = null;
+        //     if ((client.Scene is Scene) && (client.Scene as Scene).TryGetScenePresence(client.AgentId, out agent)) 
+        //         AnnounceToAgentsRegion(agent, msg);
+        //     else
+        //         m_log.DebugFormat("[Concierge]: could not find an agent for client {0}", client.Name);
+        // }
+
+        protected void AnnounceToAgentsRegion(IScene scene, string msg)
+        {
+            OSChatMessage c = new OSChatMessage();
+            c.Message = msg;
+            c.Type = ChatTypeEnum.Say;
+            c.Channel = 0;
+            c.Position = PosOfGod;
+            c.From = m_whoami;
+            c.Sender = null;
+            c.SenderUUID = UUID.Zero;
+            c.Scene = scene;
+
+            if (scene is Scene)
+                (scene as Scene).EventManager.TriggerOnChatBroadcast(this, c);
+        }
+
+        protected void AnnounceToAgent(ScenePresence agent, string msg)
+        {
+            OSChatMessage c = new OSChatMessage();
+            c.Message = msg;
+            c.Type = ChatTypeEnum.Say;
+            c.Channel = 0;
+            c.Position = PosOfGod;
+            c.From = m_whoami;
+            c.Sender = null;
+            c.SenderUUID = UUID.Zero;
+            c.Scene = agent.Scene;
+
+            agent.ControllingClient.SendChatMessage(
+                msg, (byte) ChatTypeEnum.Say, PosOfGod, m_whoami, UUID.Zero, UUID.Zero,
+                 (byte)ChatSourceType.Object, (byte)ChatAudibleLevel.Fully);
+        }
+
+        private static void checkStringParameters(XmlRpcRequest request, string[] param)
+        {
+            Hashtable requestData = (Hashtable) request.Params[0];
+            foreach (string p in param)
+            {
+                if (!requestData.Contains(p))
+                    throw new Exception(String.Format("missing string parameter {0}", p));
+                if (String.IsNullOrEmpty((string)requestData[p]))
+                    throw new Exception(String.Format("parameter {0} is empty", p));
+            }
+        }
+
+        public XmlRpcResponse XmlRpcUpdateWelcomeMethod(XmlRpcRequest request, IPEndPoint remoteClient)
+        {
+            m_log.Info("[Concierge]: processing UpdateWelcome request");
+            XmlRpcResponse response = new XmlRpcResponse();
+            Hashtable responseData = new Hashtable();
+
+            try
+            {
+                Hashtable requestData = (Hashtable)request.Params[0];
+                checkStringParameters(request, new string[] { "password", "region", "welcome" });
+
+                // check password
+                if (!String.IsNullOrEmpty(m_xmlRpcPassword) &&
+                    (string)requestData["password"] != m_xmlRpcPassword) throw new Exception("wrong password");
+
+                if (String.IsNullOrEmpty(m_welcomes))
+                    throw new Exception("welcome templates are not enabled, ask your OpenSim operator to set the \"welcomes\" option in the [Concierge] section of OpenSim.ini");
+
+                string msg = (string)requestData["welcome"];
+                if (String.IsNullOrEmpty(msg))
+                    throw new Exception("empty parameter \"welcome\"");
+
+                string regionName = (string)requestData["region"];
+                IScene scene = m_scenes.Find(delegate(IScene s) { return s.RegionInfo.RegionName == regionName; });
+                if (scene == null) 
+                    throw new Exception(String.Format("unknown region \"{0}\"", regionName));
+
+                if (!m_conciergedScenes.Contains(scene))
+                    throw new Exception(String.Format("region \"{0}\" is not a concierged region.", regionName));
+
+                string welcome = Path.Combine(m_welcomes, regionName);
+                if (File.Exists(welcome))
+                {
+                    m_log.InfoFormat("[Concierge]: UpdateWelcome: updating existing template \"{0}\"", welcome);
+                    string welcomeBackup = String.Format("{0}~", welcome);
+                    if (File.Exists(welcomeBackup))
+                        File.Delete(welcomeBackup);
+                    File.Move(welcome, welcomeBackup);
+                }
+                File.WriteAllText(welcome, msg);
+
+                responseData["success"] = "true";
+                response.Value = responseData;
+            }
+            catch (Exception e)
+            {
+                m_log.InfoFormat("[Concierge]: UpdateWelcome failed: {0}", e.Message);
+
+                responseData["success"] = "false";
+                responseData["error"] = e.Message;
+
+                response.Value = responseData;
+            }
+            m_log.Debug("[Concierge]: done processing UpdateWelcome request");
+            return response;
+        }
+    }
+}