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authorMW2009-03-03 15:45:52 +0000
committerMW2009-03-03 15:45:52 +0000
commit7a3bb77df98b41e12abb100e4ea821c37ba29db9 (patch)
tree370fe7f47b0d66a4f9f91a3ed7426df057737e81 /OpenSim/Client/Linden/LLProxyLoginModule.cs
parentMoved Linden protocol login handling to modules in OpenSim.Client.Linden. The... (diff)
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1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSimulator Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28using System;
29using System.Collections;
30using System.Collections.Generic;
31using System.Text;
32using Nwc.XmlRpc;
33using System.Net;
34using System.Net.Sockets;
35using System.Reflection;
36using System.Security.Authentication;
37using log4net;
38using Nini.Config;
39using OpenMetaverse;
40using OpenSim.Framework;
41using OpenSim.Framework.Communications;
42using OpenSim.Framework.Servers;
43using OpenSim.Region.Framework.Interfaces;
44using OpenSim.Region.Framework.Scenes;
45
46namespace OpenSim.Client.Linden
47{
48 /// <summary>
49 /// Handles login user (expect user) and logoff user messages from the remote LL login server
50 /// </summary>
51 public class LLProxyLoginModule : IRegionModule
52 {
53 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
54
55 protected bool RegionLoginsEnabled
56 {
57 get
58 {
59 if (m_firstScene != null)
60 {
61 return m_firstScene.CommsManager.GridService.RegionLoginsEnabled;
62 }
63 else
64 {
65 return false;
66 }
67 }
68 }
69
70 protected List<Scene> m_scenes = new List<Scene>();
71 protected Scene m_firstScene;
72
73 protected bool m_enabled = false; // Module is only enabled if running in grid mode
74
75 #region IRegionModule Members
76
77 public void Initialise(Scene scene, IConfigSource source)
78 {
79 if (m_firstScene == null)
80 {
81 m_firstScene = scene;
82
83 IConfig startupConfig = source.Configs["Startup"];
84 if (startupConfig != null)
85 {
86 m_enabled = startupConfig.GetBoolean("gridmode", false);
87 }
88
89 if (m_enabled)
90 {
91 AddHttpHandlers();
92 }
93 }
94
95 if (m_enabled)
96 {
97 AddScene(scene);
98 }
99 }
100
101 public void PostInitialise()
102 {
103
104 }
105
106 public void Close()
107 {
108
109 }
110
111 public string Name
112 {
113 get { return "LLProxyLoginModule"; }
114 }
115
116 public bool IsSharedModule
117 {
118 get { return true; }
119 }
120
121 #endregion
122
123 /// <summary>
124 /// Adds "expect_user" and "logoff_user" xmlrpc method handlers
125 /// </summary>
126 protected void AddHttpHandlers()
127 {
128 //we will add our handlers to the first scene we received, as all scenes share a http server. But will this ever change?
129 m_firstScene.CommsManager.HttpServer.AddXmlRPCHandler("expect_user", ExpectUser);
130 m_firstScene.CommsManager.HttpServer.AddXmlRPCHandler("logoff_user", LogOffUser);
131 }
132
133 protected void AddScene(Scene scene)
134 {
135 lock (m_scenes)
136 {
137 if (!m_scenes.Contains(scene))
138 {
139 m_scenes.Add(scene);
140 }
141 }
142 }
143 /// <summary>
144 /// Received from the user server when a user starts logging in. This call allows
145 /// the region to prepare for direct communication from the client. Sends back an empty
146 /// xmlrpc response on completion.
147 /// </summary>
148 /// <param name="request"></param>
149 /// <returns></returns>
150 public XmlRpcResponse ExpectUser(XmlRpcRequest request)
151 {
152 Hashtable requestData = (Hashtable)request.Params[0];
153 AgentCircuitData agentData = new AgentCircuitData();
154 agentData.SessionID = new UUID((string)requestData["session_id"]);
155 agentData.SecureSessionID = new UUID((string)requestData["secure_session_id"]);
156 agentData.firstname = (string)requestData["firstname"];
157 agentData.lastname = (string)requestData["lastname"];
158 agentData.AgentID = new UUID((string)requestData["agent_id"]);
159 agentData.circuitcode = Convert.ToUInt32(requestData["circuit_code"]);
160 agentData.CapsPath = (string)requestData["caps_path"];
161 ulong regionHandle = Convert.ToUInt64((string)requestData["regionhandle"]);
162
163 // Appearance
164 if (requestData["appearance"] != null)
165 agentData.Appearance = new AvatarAppearance((Hashtable)requestData["appearance"]);
166
167 m_log.DebugFormat(
168 "[CLIENT]: Told by user service to prepare for a connection from {0} {1} {2}, circuit {3}",
169 agentData.firstname, agentData.lastname, agentData.AgentID, agentData.circuitcode);
170
171 if (requestData.ContainsKey("child_agent") && requestData["child_agent"].Equals("1"))
172 {
173 //m_log.Debug("[CLIENT]: Child agent detected");
174 agentData.child = true;
175 }
176 else
177 {
178 //m_log.Debug("[CLIENT]: Main agent detected");
179 agentData.startpos =
180 new Vector3((float)Convert.ToDecimal((string)requestData["startpos_x"]),
181 (float)Convert.ToDecimal((string)requestData["startpos_y"]),
182 (float)Convert.ToDecimal((string)requestData["startpos_z"]));
183 agentData.child = false;
184 }
185
186 XmlRpcResponse resp = new XmlRpcResponse();
187
188 if (!RegionLoginsEnabled)
189 {
190 m_log.InfoFormat(
191 "[CLIENT]: Denying access for user {0} {1} because region login is currently disabled",
192 agentData.firstname, agentData.lastname);
193
194 Hashtable respdata = new Hashtable();
195 respdata["success"] = "FALSE";
196 respdata["reason"] = "region login currently disabled";
197 resp.Value = respdata;
198 }
199 else
200 {
201 bool success = false;
202 string denyMess = "";
203
204 Scene scene;
205 if (TryGetRegion(regionHandle, out scene))
206 {
207 if (scene.RegionInfo.EstateSettings.IsBanned(agentData.AgentID))
208 {
209 denyMess = "User is banned from this region";
210 m_log.InfoFormat(
211 "[CLIENT]: Denying access for user {0} {1} because user is banned",
212 agentData.firstname, agentData.lastname);
213 }
214 else
215 {
216 if (scene.NewUserConnection(agentData))
217 {
218 success = true;
219 }
220 else
221 {
222 denyMess = "Login refused by region";
223 m_log.InfoFormat(
224 "[CLIENT]: Denying access for user {0} {1} because user connection was refused by the region",
225 agentData.firstname, agentData.lastname);
226 }
227 }
228
229 }
230 else
231 {
232 denyMess = "Region not found";
233 }
234
235 if (success)
236 {
237 Hashtable respdata = new Hashtable();
238 respdata["success"] = "TRUE";
239 resp.Value = respdata;
240 }
241 else
242 {
243 Hashtable respdata = new Hashtable();
244 respdata["success"] = "FALSE";
245 respdata["reason"] = denyMess;
246 resp.Value = respdata;
247 }
248 }
249
250 return resp;
251 }
252
253 // Grid Request Processing
254 /// <summary>
255 /// Ooops, our Agent must be dead if we're getting this request!
256 /// </summary>
257 /// <param name="request"></param>
258 /// <returns></returns>
259 public XmlRpcResponse LogOffUser(XmlRpcRequest request)
260 {
261 m_log.Debug("[CONNECTION DEBUGGING]: LogOff User Called");
262
263 Hashtable requestData = (Hashtable)request.Params[0];
264 string message = (string)requestData["message"];
265 UUID agentID = UUID.Zero;
266 UUID RegionSecret = UUID.Zero;
267 UUID.TryParse((string)requestData["agent_id"], out agentID);
268 UUID.TryParse((string)requestData["region_secret"], out RegionSecret);
269
270 ulong regionHandle = Convert.ToUInt64((string)requestData["regionhandle"]);
271
272 Scene scene;
273 if (TryGetRegion(regionHandle, out scene))
274 {
275 scene.HandleLogOffUserFromGrid(agentID, RegionSecret, message);
276 }
277
278 return new XmlRpcResponse();
279 }
280
281 protected bool TryGetRegion(ulong regionHandle, out Scene scene)
282 {
283 lock (m_scenes)
284 {
285 foreach (Scene nextScene in m_scenes)
286 {
287 if (nextScene.RegionInfo.RegionHandle == regionHandle)
288 {
289 scene = nextScene;
290 return true;
291 }
292 }
293 }
294
295 scene = null;
296 return false;
297 }
298
299 }
300}