diff options
Diffstat (limited to 'OpenSim/Server/Handlers/Map/MapRemoveServerConnector.cs')
-rw-r--r-- | OpenSim/Server/Handlers/Map/MapRemoveServerConnector.cs | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/OpenSim/Server/Handlers/Map/MapRemoveServerConnector.cs b/OpenSim/Server/Handlers/Map/MapRemoveServerConnector.cs new file mode 100644 index 0000000..9daeb73 --- /dev/null +++ b/OpenSim/Server/Handlers/Map/MapRemoveServerConnector.cs | |||
@@ -0,0 +1,256 @@ | |||
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 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 | } | ||