aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Region/CoreModules/Avatar/InstantMessage/HGMessageTransferModule.cs
blob: 16e2ec3e596f34ae9c555a07b757b643a55cbe30 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
/*
 * 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.Framework.Servers;
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", Id = "HGMessageTransferModule")]
    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)
            {
//                m_log.DebugFormat(
//                    "[HG INSTANT MESSAGE]: Looking for root agent {0} in {1}",
//                    toAgentID.ToString(), scene.RegionInfo.RegionName);
                ScenePresence sp = scene.GetScenePresence(toAgentID);
                if (sp != null && !sp.IsChildAgent && !sp.IsDeleted)
                {
                    // Local message
//                  m_log.DebugFormat("[HG INSTANT MESSAGE]: Delivering IM to root agent {0} {1}", user.Name, toAgentID);
                    sp.ControllingClient.SendInstantMessage(im);

                    // Message sent
                    result(true);
                    return;
                }
            }

//            m_log.DebugFormat("[HG INSTANT MESSAGE]: Delivering IM to {0} via XMLRPC", im.toAgentID);
            // Is the user a local user?
            string url = string.Empty;
            bool foreigner = false;
            if (UserManagementModule != null && !UserManagementModule.IsLocalGridUser(toAgentID)) // foreign user
            {
                url = UserManagementModule.GetUserServerURL(toAgentID, "IMServerURI");
                foreigner = true;
            }

            Util.FireAndForget(delegate
            {
                bool success = false;
                if (foreigner && url == string.Empty) // we don't know about this user
                {
                    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, true);
                            if (success)
                                UserManagementModule.AddUser(toAgentID, u + ";" + first + " " + last);
                        }
                    }
                }
                else
                    success = m_IMService.OutgoingInstantMessage(im, url, foreigner);

                if (!success && !foreigner)
                    HandleUndeliverableMessage(im, result);
                else
                    result(success);
            }, null, "HGMessageTransferModule.SendInstantMessage");

            return;
        }

        protected bool SendIMToScene(GridInstantMessage gim, UUID toAgentID)
        {
            bool successful = false;
            foreach (Scene scene in m_Scenes)
            {
                ScenePresence sp = scene.GetScenePresence(toAgentID);
                if(sp != null && !sp.IsChildAgent && !sp.IsDeleted)
                {
                    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;
        }

        public void HandleUndeliverableMessage(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);

                        string agentUUI = string.Empty;
                        try
                        {
                            agentUUI = uasConn.GetUUI(fromAgent, toAgent);
                        }
                        catch (Exception e) {
                            m_log.Debug("[HG MESSAGE TRANSFER]: GetUUI call failed ", e);
                        }

                        return agentUUI;
                    }
                }
            }

            return string.Empty;
        }

        /// <summary>
        /// Find the root client for a ID
        /// </summary>
        public IClientAPI LocateClientObject(UUID agentID)
        {
            lock (m_Scenes)
            {
                foreach (Scene scene in m_Scenes)
                {
                    ScenePresence presence = scene.GetScenePresence(agentID);
                    if (presence != null && !presence.IsChildAgent && !presence.IsDeleted)
                        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


    }
}