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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.Reflection;
32using System.Net;
33using Nini.Config;
34using OpenSim.Framework;
35using OpenSim.Server.Base;
36using OpenSim.Services.Interfaces;
37using OpenSim.Framework.Servers.HttpServer;
38using OpenSim.Server.Handlers.Base;
39using GridRegion = OpenSim.Services.Interfaces.GridRegion;
40
41using OpenMetaverse;
42using log4net;
43using Nwc.XmlRpc;
44
45namespace OpenSim.Server.Handlers.Grid
46{
47 public class HypergridServiceInConnector : ServiceConnector
48 {
49 private static readonly ILog m_log =
50 LogManager.GetLogger(
51 MethodBase.GetCurrentMethod().DeclaringType);
52
53 private List<GridRegion> m_RegionsOnSim = new List<GridRegion>();
54 private IHyperlinkService m_HyperlinkService;
55
56 public HypergridServiceInConnector(IConfigSource config, IHttpServer server, IHyperlinkService hyperService) :
57 base(config, server, String.Empty)
58 {
59 m_HyperlinkService = hyperService;
60 server.AddXmlRPCHandler("link_region", LinkRegionRequest, false);
61 server.AddXmlRPCHandler("expect_hg_user", ExpectHGUser, false);
62 }
63
64 public void AddRegion(GridRegion rinfo)
65 {
66 m_RegionsOnSim.Add(rinfo);
67 }
68
69 public void RemoveRegion(GridRegion rinfo)
70 {
71 if (m_RegionsOnSim.Contains(rinfo))
72 m_RegionsOnSim.Remove(rinfo);
73 }
74
75 /// <summary>
76 /// Someone wants to link to us
77 /// </summary>
78 /// <param name="request"></param>
79 /// <returns></returns>
80 public XmlRpcResponse LinkRegionRequest(XmlRpcRequest request, IPEndPoint remoteClient)
81 {
82 Hashtable requestData = (Hashtable)request.Params[0];
83 //string host = (string)requestData["host"];
84 //string portstr = (string)requestData["port"];
85 string name = (string)requestData["region_name"];
86
87 m_log.DebugFormat("[HGrid]: Hyperlink request");
88
89 GridRegion regInfo = null;
90 foreach (GridRegion r in m_RegionsOnSim)
91 {
92 if ((r.RegionName != null) && (name != null) && (r.RegionName.ToLower() == name.ToLower()))
93 {
94 regInfo = r;
95 break;
96 }
97 }
98
99 if (regInfo == null)
100 regInfo = m_RegionsOnSim[0]; // Send out the first region
101
102 Hashtable hash = new Hashtable();
103 hash["uuid"] = regInfo.RegionID.ToString();
104 m_log.Debug(">> Here " + regInfo.RegionID);
105 hash["handle"] = regInfo.RegionHandle.ToString();
106 hash["region_image"] = regInfo.TerrainImage.ToString();
107 hash["region_name"] = regInfo.RegionName;
108 hash["internal_port"] = regInfo.InternalEndPoint.Port.ToString();
109 //m_log.Debug(">> Here: " + regInfo.InternalEndPoint.Port);
110
111
112 XmlRpcResponse response = new XmlRpcResponse();
113 response.Value = hash;
114 return response;
115 }
116
117 /// <summary>
118 /// Received from other HGrid nodes when a user wants to teleport here. This call allows
119 /// the region to prepare for direct communication from the client. Sends back an empty
120 /// xmlrpc response on completion.
121 /// This is somewhat similar to OGS1's ExpectUser, but with the additional task of
122 /// registering the user in the local user cache.
123 /// </summary>
124 /// <param name="request"></param>
125 /// <returns></returns>
126 public XmlRpcResponse ExpectHGUser(XmlRpcRequest request, IPEndPoint remoteClient)
127 {
128 Hashtable requestData = (Hashtable)request.Params[0];
129 ForeignUserProfileData userData = new ForeignUserProfileData();
130
131 userData.FirstName = (string)requestData["firstname"];
132 userData.SurName = (string)requestData["lastname"];
133 userData.ID = new UUID((string)requestData["agent_id"]);
134 UUID sessionID = new UUID((string)requestData["session_id"]);
135 userData.HomeLocation = new Vector3((float)Convert.ToDecimal((string)requestData["startpos_x"]),
136 (float)Convert.ToDecimal((string)requestData["startpos_y"]),
137 (float)Convert.ToDecimal((string)requestData["startpos_z"]));
138
139 userData.UserServerURI = (string)requestData["userserver_id"];
140 userData.UserAssetURI = (string)requestData["assetserver_id"];
141 userData.UserInventoryURI = (string)requestData["inventoryserver_id"];
142
143 m_log.DebugFormat("[HGrid]: Prepare for connection from {0} {1} (@{2}) UUID={3}",
144 userData.FirstName, userData.SurName, userData.UserServerURI, userData.ID);
145
146 ulong userRegionHandle = 0;
147 int userhomeinternalport = 0;
148 if (requestData.ContainsKey("region_uuid"))
149 {
150 UUID uuid = UUID.Zero;
151 UUID.TryParse((string)requestData["region_uuid"], out uuid);
152 userData.HomeRegionID = uuid;
153 userRegionHandle = Convert.ToUInt64((string)requestData["regionhandle"]);
154 userData.UserHomeAddress = (string)requestData["home_address"];
155 userData.UserHomePort = (string)requestData["home_port"];
156 userhomeinternalport = Convert.ToInt32((string)requestData["internal_port"]);
157
158 m_log.Debug("[HGrid]: home_address: " + userData.UserHomeAddress +
159 "; home_port: " + userData.UserHomePort);
160 }
161 else
162 m_log.WarnFormat("[HGrid]: User has no home region information");
163
164 XmlRpcResponse resp = new XmlRpcResponse();
165
166 // Let's check if someone is trying to get in with a stolen local identity.
167 // The need for this test is a consequence of not having truly global names :-/
168 bool comingHome = false;
169 if (m_HyperlinkService.CheckUserAtEntry(userData.ID, sessionID, out comingHome) == false)
170 {
171 m_log.WarnFormat("[HGrid]: Access denied to foreign user.");
172 Hashtable respdata = new Hashtable();
173 respdata["success"] = "FALSE";
174 respdata["reason"] = "Foreign user has the same ID as a local user, or logins disabled.";
175 resp.Value = respdata;
176 return resp;
177 }
178
179 // Finally, everything looks ok
180 //m_log.Debug("XXX---- EVERYTHING OK ---XXX");
181
182 if (!comingHome)
183 {
184 // We don't do this if the user is coming to the home grid
185 GridRegion home = new GridRegion();
186 home.RegionID = userData.HomeRegionID;
187 home.ExternalHostName = userData.UserHomeAddress;
188 home.HttpPort = Convert.ToUInt32(userData.UserHomePort);
189 uint x = 0, y = 0;
190 Utils.LongToUInts(userRegionHandle, out x, out y);
191 home.RegionLocX = (int)x;
192 home.RegionLocY = (int)y;
193 home.InternalEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), (int)userhomeinternalport);
194
195 m_HyperlinkService.AcceptUser(userData, home);
196 }
197 // else the user is coming to a non-home region of the home grid
198 // We simply drop this user information altogether
199
200 Hashtable respdata2 = new Hashtable();
201 respdata2["success"] = "TRUE";
202 resp.Value = respdata2;
203
204 return resp;
205 }
206
207 }
208}