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-rw-r--r--OpenSim/Server/Handlers/Map/MapRemoveServerConnector.cs256
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diff --git a/OpenSim/Server/Handlers/Map/MapRemoveServerConnector.cs b/OpenSim/Server/Handlers/Map/MapRemoveServerConnector.cs
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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.Generic;
30using System.IO;
31using System.Reflection;
32using System.Xml;
33
34using Nini.Config;
35using log4net;
36using OpenMetaverse;
37
38using OpenSim.Framework;
39using OpenSim.Server.Base;
40using OpenSim.Services.Interfaces;
41using OpenSim.Framework.Servers.HttpServer;
42using OpenSim.Server.Handlers.Base;
43
44using GridRegion = OpenSim.Services.Interfaces.GridRegion;
45
46namespace OpenSim.Server.Handlers.MapImage
47{
48 public class MapRemoveServiceConnector : ServiceConnector
49 {
50 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
51
52 private IMapImageService m_MapService;
53 private IGridService m_GridService;
54 private string m_ConfigName = "MapImageService";
55
56 public MapRemoveServiceConnector(IConfigSource config, IHttpServer server, string configName) :
57 base(config, server, configName)
58 {
59 IConfig serverConfig = config.Configs[m_ConfigName];
60 if (serverConfig == null)
61 throw new Exception(String.Format("No section {0} in config file", m_ConfigName));
62
63 string mapService = serverConfig.GetString("LocalServiceModule",
64 String.Empty);
65
66 if (mapService == String.Empty)
67 throw new Exception("No LocalServiceModule in config file");
68
69 Object[] args = new Object[] { config };
70 m_MapService = ServerUtils.LoadPlugin<IMapImageService>(mapService, args);
71
72 string gridService = serverConfig.GetString("GridService", String.Empty);
73 if (gridService != string.Empty)
74 m_GridService = ServerUtils.LoadPlugin<IGridService>(gridService, args);
75
76 if (m_GridService != null)
77 m_log.InfoFormat("[MAP IMAGE HANDLER]: GridService check is ON");
78 else
79 m_log.InfoFormat("[MAP IMAGE HANDLER]: GridService check is OFF");
80
81 bool proxy = serverConfig.GetBoolean("HasProxy", false);
82 server.AddStreamHandler(new MapServerRemoveHandler(m_MapService, m_GridService, proxy));
83
84 }
85 }
86
87 class MapServerRemoveHandler : BaseStreamHandler
88 {
89 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
90 private IMapImageService m_MapService;
91 private IGridService m_GridService;
92 bool m_Proxy;
93
94 public MapServerRemoveHandler(IMapImageService service, IGridService grid, bool proxy) :
95 base("POST", "/removemap")
96 {
97 m_MapService = service;
98 m_GridService = grid;
99 m_Proxy = proxy;
100 }
101
102 public override byte[] Handle(string path, Stream requestData, IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
103 {
104// m_log.DebugFormat("[MAP SERVICE IMAGE HANDLER]: Received {0}", path);
105 string body;
106 using(StreamReader sr = new StreamReader(requestData))
107 body = sr.ReadToEnd();
108 body = body.Trim();
109
110 try
111 {
112 Dictionary<string, object> request = ServerUtils.ParseQueryString(body);
113
114 if (!request.ContainsKey("X") || !request.ContainsKey("Y"))
115 {
116 httpResponse.StatusCode = (int)OSHttpStatusCode.ClientErrorBadRequest;
117 return FailureResult("Bad request.");
118 }
119 int x = 0, y = 0;
120 Int32.TryParse(request["X"].ToString(), out x);
121 Int32.TryParse(request["Y"].ToString(), out y);
122// UUID scopeID = new UUID("07f8d88e-cd5e-4239-a0ed-843f75d09992");
123 UUID scopeID = UUID.Zero;
124 if (request.ContainsKey("SCOPE"))
125 UUID.TryParse(request["SCOPE"].ToString(), out scopeID);
126
127 m_log.DebugFormat("[MAP REMOVE SERVER CONNECTOR]: Received position data for region at {0}-{1}", x, y);
128
129 if (m_GridService != null)
130 {
131 System.Net.IPAddress ipAddr = GetCallerIP(httpRequest);
132 GridRegion r = m_GridService.GetRegionByPosition(UUID.Zero, (int)Util.RegionToWorldLoc((uint)x), (int)Util.RegionToWorldLoc((uint)y));
133 if (r != null)
134 {
135 if (r.ExternalEndPoint.Address.ToString() != ipAddr.ToString())
136 {
137 m_log.WarnFormat("[MAP IMAGE HANDLER]: IP address {0} may be trying to impersonate region in IP {1}", ipAddr, r.ExternalEndPoint.Address);
138 return FailureResult("IP address of caller does not match IP address of registered region");
139 }
140
141 }
142 else
143 {
144 m_log.WarnFormat("[MAP IMAGE HANDLER]: IP address {0} may be rogue. Region not found at coordinates {1}-{2}",
145 ipAddr, x, y);
146 return FailureResult("Region not found at given coordinates");
147 }
148 }
149
150 string reason = string.Empty;
151 bool result = m_MapService.RemoveMapTile(x, y, scopeID, out reason);
152
153 if (result)
154 return SuccessResult();
155 else
156 return FailureResult(reason);
157
158 }
159 catch (Exception e)
160 {
161 m_log.ErrorFormat("[MAP SERVICE IMAGE HANDLER]: Exception {0} {1}", e.Message, e.StackTrace);
162 }
163
164 return FailureResult("Unexpected server error");
165 }
166
167 private byte[] SuccessResult()
168 {
169 XmlDocument doc = new XmlDocument();
170
171 XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration,
172 "", "");
173
174 doc.AppendChild(xmlnode);
175
176 XmlElement rootElement = doc.CreateElement("", "ServerResponse",
177 "");
178
179 doc.AppendChild(rootElement);
180
181 XmlElement result = doc.CreateElement("", "Result", "");
182 result.AppendChild(doc.CreateTextNode("Success"));
183
184 rootElement.AppendChild(result);
185
186 return DocToBytes(doc);
187 }
188
189 private byte[] FailureResult(string msg)
190 {
191 XmlDocument doc = new XmlDocument();
192
193 XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration,
194 "", "");
195
196 doc.AppendChild(xmlnode);
197
198 XmlElement rootElement = doc.CreateElement("", "ServerResponse",
199 "");
200
201 doc.AppendChild(rootElement);
202
203 XmlElement result = doc.CreateElement("", "Result", "");
204 result.AppendChild(doc.CreateTextNode("Failure"));
205
206 rootElement.AppendChild(result);
207
208 XmlElement message = doc.CreateElement("", "Message", "");
209 message.AppendChild(doc.CreateTextNode(msg));
210
211 rootElement.AppendChild(message);
212
213 return DocToBytes(doc);
214 }
215
216 private byte[] DocToBytes(XmlDocument doc)
217 {
218 using(MemoryStream ms = new MemoryStream())
219 {
220 using(XmlTextWriter xw = new XmlTextWriter(ms,null))
221 {
222 xw.Formatting = Formatting.Indented;
223 doc.WriteTo(xw);
224 xw.Flush();
225 }
226 return ms.ToArray();
227 }
228 }
229
230 private System.Net.IPAddress GetCallerIP(IOSHttpRequest request)
231 {
232// if (!m_Proxy)
233// return request.RemoteIPEndPoint.Address;
234
235 // We're behind a proxy
236 string xff = "X-Forwarded-For";
237 string xffValue = request.Headers[xff.ToLower()];
238 if (xffValue == null || (xffValue != null && xffValue == string.Empty))
239 xffValue = request.Headers[xff];
240
241 if (xffValue == null || (xffValue != null && xffValue == string.Empty))
242 {
243// m_log.WarnFormat("[MAP IMAGE HANDLER]: No XFF header");
244 return request.RemoteIPEndPoint.Address;
245 }
246
247 System.Net.IPEndPoint ep = Util.GetClientIPFromXFF(xffValue);
248 if (ep != null)
249 return ep.Address;
250
251 // Oops
252 return request.RemoteIPEndPoint.Address;
253 }
254
255 }
256}