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-rw-r--r--OpenSim/Services/HypergridService/UserAgentService.cs217
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diff --git a/OpenSim/Services/HypergridService/UserAgentService.cs b/OpenSim/Services/HypergridService/UserAgentService.cs
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1using System;
2using System.Collections.Generic;
3using System.Net;
4using System.Reflection;
5
6using OpenSim.Framework;
7using OpenSim.Services.Connectors.Hypergrid;
8using OpenSim.Services.Interfaces;
9using GridRegion = OpenSim.Services.Interfaces.GridRegion;
10using OpenSim.Server.Base;
11
12using OpenMetaverse;
13using log4net;
14using Nini.Config;
15
16namespace OpenSim.Services.HypergridService
17{
18 /// <summary>
19 /// This service is for HG1.5 only, to make up for the fact that clients don't
20 /// keep any private information in themselves, and that their 'home service'
21 /// needs to do it for them.
22 /// Once we have better clients, this shouldn't be needed.
23 /// </summary>
24 public class UserAgentService : IUserAgentService
25 {
26 private static readonly ILog m_log =
27 LogManager.GetLogger(
28 MethodBase.GetCurrentMethod().DeclaringType);
29
30 // This will need to go into a DB table
31 static Dictionary<UUID, TravelingAgentInfo> m_TravelingAgents = new Dictionary<UUID, TravelingAgentInfo>();
32
33 static bool m_Initialized = false;
34
35 protected static IPresenceService m_PresenceService;
36 protected static IGridService m_GridService;
37 protected static GatekeeperServiceConnector m_GatekeeperConnector;
38
39 public UserAgentService(IConfigSource config)
40 {
41 if (!m_Initialized)
42 {
43 m_log.DebugFormat("[HOME USERS SECURITY]: Starting...");
44
45 IConfig serverConfig = config.Configs["UserAgentService"];
46 if (serverConfig == null)
47 throw new Exception(String.Format("No section UserAgentService in config file"));
48
49 string gridService = serverConfig.GetString("GridService", String.Empty);
50 string presenceService = serverConfig.GetString("PresenceService", String.Empty);
51
52 if (gridService == string.Empty || presenceService == string.Empty)
53 throw new Exception(String.Format("Incomplete specifications, UserAgent Service cannot function."));
54
55 Object[] args = new Object[] { config };
56 m_GridService = ServerUtils.LoadPlugin<IGridService>(gridService, args);
57 m_PresenceService = ServerUtils.LoadPlugin<IPresenceService>(presenceService, args);
58 m_GatekeeperConnector = new GatekeeperServiceConnector();
59
60 m_Initialized = true;
61 }
62 }
63
64 public GridRegion GetHomeRegion(UUID userID, out Vector3 position, out Vector3 lookAt)
65 {
66 position = new Vector3(128, 128, 0); lookAt = Vector3.UnitY;
67
68 m_log.DebugFormat("[USER AGENT SERVICE]: Request to get home region of user {0}", userID);
69
70 GridRegion home = null;
71 PresenceInfo[] presences = m_PresenceService.GetAgents(new string[] { userID.ToString() });
72 if (presences != null && presences.Length > 0)
73 {
74 UUID homeID = presences[0].HomeRegionID;
75 if (homeID != UUID.Zero)
76 {
77 home = m_GridService.GetRegionByUUID(UUID.Zero, homeID);
78 position = presences[0].HomePosition;
79 lookAt = presences[0].HomeLookAt;
80 }
81 if (home == null)
82 {
83 List<GridRegion> defs = m_GridService.GetDefaultRegions(UUID.Zero);
84 if (defs != null && defs.Count > 0)
85 home = defs[0];
86 }
87 }
88
89 return home;
90 }
91
92 public bool LoginAgentToGrid(AgentCircuitData agentCircuit, GridRegion gatekeeper, GridRegion finalDestination, out string reason)
93 {
94 m_log.DebugFormat("[USER AGENT SERVICE]: Request to login user {0} {1} to grid {2}",
95 agentCircuit.firstname, agentCircuit.lastname, gatekeeper.ExternalHostName +":"+ gatekeeper.HttpPort);
96
97 // Take the IP address + port of the gatekeeper (reg) plus the info of finalDestination
98 GridRegion region = new GridRegion(gatekeeper);
99 region.RegionName = finalDestination.RegionName;
100 region.RegionID = finalDestination.RegionID;
101 region.RegionLocX = finalDestination.RegionLocX;
102 region.RegionLocY = finalDestination.RegionLocY;
103
104 // Generate a new service session
105 agentCircuit.ServiceSessionID = "http://" + region.ExternalHostName + ":" + region.HttpPort + ";" + UUID.Random();
106 TravelingAgentInfo old = UpdateTravelInfo(agentCircuit, region);
107
108 bool success = m_GatekeeperConnector.CreateAgent(region, agentCircuit, (uint)Constants.TeleportFlags.ViaLogin, out reason);
109
110 if (!success)
111 {
112 m_log.DebugFormat("[USER AGENT SERVICE]: Unable to login user {0} {1} to grid {2}, reason: {3}",
113 agentCircuit.firstname, agentCircuit.lastname, region.ExternalHostName + ":" + region.HttpPort, reason);
114
115 // restore the old travel info
116 lock (m_TravelingAgents)
117 m_TravelingAgents[agentCircuit.SessionID] = old;
118
119 return false;
120 }
121
122 return true;
123 }
124
125 TravelingAgentInfo UpdateTravelInfo(AgentCircuitData agentCircuit, GridRegion region)
126 {
127 TravelingAgentInfo travel = new TravelingAgentInfo();
128 TravelingAgentInfo old = null;
129 lock (m_TravelingAgents)
130 {
131 if (m_TravelingAgents.ContainsKey(agentCircuit.SessionID))
132 {
133 old = m_TravelingAgents[agentCircuit.SessionID];
134 }
135
136 m_TravelingAgents[agentCircuit.SessionID] = travel;
137 }
138 travel.UserID = agentCircuit.AgentID;
139 travel.GridExternalName = region.ExternalHostName + ":" + region.HttpPort;
140 travel.ServiceToken = agentCircuit.ServiceSessionID;
141 if (old != null)
142 travel.ClientToken = old.ClientToken;
143
144 return old;
145 }
146
147 public void LogoutAgent(UUID userID, UUID sessionID)
148 {
149 m_log.DebugFormat("[USER AGENT SERVICE]: User {0} logged out", userID);
150
151 lock (m_TravelingAgents)
152 {
153 List<UUID> travels = new List<UUID>();
154 foreach (KeyValuePair<UUID, TravelingAgentInfo> kvp in m_TravelingAgents)
155 if (kvp.Value == null) // do some clean up
156 travels.Add(kvp.Key);
157 else if (kvp.Value.UserID == userID)
158 travels.Add(kvp.Key);
159 foreach (UUID session in travels)
160 m_TravelingAgents.Remove(session);
161 }
162 }
163
164 // We need to prevent foreign users with the same UUID as a local user
165 public bool AgentIsComingHome(UUID sessionID, string thisGridExternalName)
166 {
167 if (!m_TravelingAgents.ContainsKey(sessionID))
168 return false;
169
170 TravelingAgentInfo travel = m_TravelingAgents[sessionID];
171 return travel.GridExternalName == thisGridExternalName;
172 }
173
174 public bool VerifyClient(UUID sessionID, string token)
175 {
176 return true;
177
178 // Commenting this for now until I understand better what part of a sender's
179 // info stays unchanged throughout a session
180 //
181 //if (m_TravelingAgents.ContainsKey(sessionID))
182 //{
183 // // Aquiles heel. Must trust the first grid upon login
184 // if (m_TravelingAgents[sessionID].ClientToken == string.Empty)
185 // {
186 // m_TravelingAgents[sessionID].ClientToken = token;
187 // return true;
188 // }
189 // return m_TravelingAgents[sessionID].ClientToken == token;
190 //}
191 //return false;
192 }
193
194 public bool VerifyAgent(UUID sessionID, string token)
195 {
196 if (m_TravelingAgents.ContainsKey(sessionID))
197 {
198 m_log.DebugFormat("[USER AGENT SERVICE]: Verifying agent token {0} against {1}", token, m_TravelingAgents[sessionID].ServiceToken);
199 return m_TravelingAgents[sessionID].ServiceToken == token;
200 }
201
202 m_log.DebugFormat("[USER AGENT SERVICE]: Token verification for session {0}: no such session", sessionID);
203
204 return false;
205 }
206
207 }
208
209 class TravelingAgentInfo
210 {
211 public UUID UserID;
212 public string GridExternalName = string.Empty;
213 public string ServiceToken = string.Empty;
214 public string ClientToken = string.Empty;
215 }
216
217}