opensim – Blame information for rev 1
?pathlinks?
Rev | Author | Line No. | Line |
---|---|---|---|
1 | eva | 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 | |||
28 | using System; |
||
29 | using System.Collections.Generic; |
||
30 | using System.IO; |
||
31 | using System.Reflection; |
||
32 | using System.Xml; |
||
33 | |||
34 | using Nini.Config; |
||
35 | using log4net; |
||
36 | using OpenMetaverse; |
||
37 | |||
38 | using OpenSim.Framework; |
||
39 | using OpenSim.Server.Base; |
||
40 | using OpenSim.Services.Interfaces; |
||
41 | using OpenSim.Framework.Servers.HttpServer; |
||
42 | using OpenSim.Server.Handlers.Base; |
||
43 | |||
44 | using GridRegion = OpenSim.Services.Interfaces.GridRegion; |
||
45 | |||
46 | namespace OpenSim.Server.Handlers.MapImage |
||
47 | { |
||
48 | public class MapAddServiceConnector : 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 MapAddServiceConnector(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 MapServerPostHandler(m_MapService, m_GridService, proxy)); |
||
83 | |||
84 | } |
||
85 | } |
||
86 | |||
87 | class MapServerPostHandler : 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 MapServerPostHandler(IMapImageService service, IGridService grid, bool proxy) : |
||
95 | base("POST", "/map") |
||
96 | { |
||
97 | m_MapService = service; |
||
98 | m_GridService = grid; |
||
99 | m_Proxy = proxy; |
||
100 | } |
||
101 | |||
102 | protected override byte[] ProcessRequest(string path, Stream requestData, IOSHttpRequest httpRequest, IOSHttpResponse httpResponse) |
||
103 | { |
||
104 | // m_log.DebugFormat("[MAP SERVICE IMAGE HANDLER]: Received {0}", path); |
||
105 | StreamReader sr = new StreamReader(requestData); |
||
106 | string body = sr.ReadToEnd(); |
||
107 | sr.Close(); |
||
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") || !request.ContainsKey("DATA")) |
||
115 | { |
||
116 | httpResponse.StatusCode = (int)OSHttpStatusCode.ClientErrorBadRequest; |
||
117 | return FailureResult("Bad request."); |
||
118 | } |
||
119 | uint x = 0, y = 0; |
||
120 | UInt32.TryParse(request["X"].ToString(), out x); |
||
121 | UInt32.TryParse(request["Y"].ToString(), out y); |
||
122 | |||
123 | m_log.DebugFormat("[MAP ADD SERVER CONNECTOR]: Received map data for region at {0}-{1}", x, y); |
||
124 | |||
125 | // string type = "image/jpeg"; |
||
126 | // |
||
127 | // if (request.ContainsKey("TYPE")) |
||
128 | // type = request["TYPE"].ToString(); |
||
129 | |||
130 | if (m_GridService != null) |
||
131 | { |
||
132 | System.Net.IPAddress ipAddr = GetCallerIP(httpRequest); |
||
133 | GridRegion r = m_GridService.GetRegionByPosition(UUID.Zero, (int)Util.RegionToWorldLoc(x), (int)Util.RegionToWorldLoc(y)); |
||
134 | if (r != null) |
||
135 | { |
||
136 | if (r.ExternalEndPoint.Address.ToString() != ipAddr.ToString()) |
||
137 | { |
||
138 | m_log.WarnFormat("[MAP IMAGE HANDLER]: IP address {0} may be trying to impersonate region in IP {1}", ipAddr, r.ExternalEndPoint.Address); |
||
139 | return FailureResult("IP address of caller does not match IP address of registered region"); |
||
140 | } |
||
141 | |||
142 | } |
||
143 | else |
||
144 | { |
||
145 | m_log.WarnFormat("[MAP IMAGE HANDLER]: IP address {0} may be rogue. Region not found at coordinates {1}-{2}", |
||
146 | ipAddr, x, y); |
||
147 | return FailureResult("Region not found at given coordinates"); |
||
148 | } |
||
149 | } |
||
150 | |||
151 | byte[] data = Convert.FromBase64String(request["DATA"].ToString()); |
||
152 | |||
153 | string reason = string.Empty; |
||
154 | bool result = m_MapService.AddMapTile((int)x, (int)y, data, out reason); |
||
155 | |||
156 | if (result) |
||
157 | return SuccessResult(); |
||
158 | else |
||
159 | return FailureResult(reason); |
||
160 | |||
161 | } |
||
162 | catch (Exception e) |
||
163 | { |
||
164 | m_log.ErrorFormat("[MAP SERVICE IMAGE HANDLER]: Exception {0} {1}", e.Message, e.StackTrace); |
||
165 | } |
||
166 | |||
167 | return FailureResult("Unexpected server error"); |
||
168 | } |
||
169 | |||
170 | private byte[] SuccessResult() |
||
171 | { |
||
172 | XmlDocument doc = new XmlDocument(); |
||
173 | |||
174 | XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration, |
||
175 | "", ""); |
||
176 | |||
177 | doc.AppendChild(xmlnode); |
||
178 | |||
179 | XmlElement rootElement = doc.CreateElement("", "ServerResponse", |
||
180 | ""); |
||
181 | |||
182 | doc.AppendChild(rootElement); |
||
183 | |||
184 | XmlElement result = doc.CreateElement("", "Result", ""); |
||
185 | result.AppendChild(doc.CreateTextNode("Success")); |
||
186 | |||
187 | rootElement.AppendChild(result); |
||
188 | |||
189 | return DocToBytes(doc); |
||
190 | } |
||
191 | |||
192 | private byte[] FailureResult(string msg) |
||
193 | { |
||
194 | XmlDocument doc = new XmlDocument(); |
||
195 | |||
196 | XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration, |
||
197 | "", ""); |
||
198 | |||
199 | doc.AppendChild(xmlnode); |
||
200 | |||
201 | XmlElement rootElement = doc.CreateElement("", "ServerResponse", |
||
202 | ""); |
||
203 | |||
204 | doc.AppendChild(rootElement); |
||
205 | |||
206 | XmlElement result = doc.CreateElement("", "Result", ""); |
||
207 | result.AppendChild(doc.CreateTextNode("Failure")); |
||
208 | |||
209 | rootElement.AppendChild(result); |
||
210 | |||
211 | XmlElement message = doc.CreateElement("", "Message", ""); |
||
212 | message.AppendChild(doc.CreateTextNode(msg)); |
||
213 | |||
214 | rootElement.AppendChild(message); |
||
215 | |||
216 | return DocToBytes(doc); |
||
217 | } |
||
218 | |||
219 | private byte[] DocToBytes(XmlDocument doc) |
||
220 | { |
||
221 | MemoryStream ms = new MemoryStream(); |
||
222 | XmlTextWriter xw = new XmlTextWriter(ms, null); |
||
223 | xw.Formatting = Formatting.Indented; |
||
224 | doc.WriteTo(xw); |
||
225 | xw.Flush(); |
||
226 | |||
227 | return ms.ToArray(); |
||
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 | } |